Run with initials P1 with control file /sol/qua/bas_2026a/bas_2026a.cnt Run done on gs61a-cetus.ndc.nasa.gov with executables from /opt64/psolve/bin/ Run started at 2026.04.01-13:33:05 local time ID bas_2026a baseline solution NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NRAO_140 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:09 Correlator type: Unknown Experiment code: xus801 Mark-3 db_name: $80APR11XQ Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800411_a Ver 2 xus801 Matrix Condition Number = 7.976734246815677E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | NRAO_140: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for NRAO_140 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 11.9 3.0 1002.9 3.9 38.0 19.1 HRAS_085 MET 3.4 8.7 906.5 3.3 9.3 19.0 NRAO_140 MET 7.5 2.6 918.2 1.9 30.9 29.4 OVRO_130 MET 15.1 8.3 876.4 2.5 10.2 9.3 Run 26091-1733 1304 Observation Pairs Available Session started on: 2444341.363100 1980.04.11 20:42:51.840 UTC Nominal duration: 141419.520 sec 01 15:16:59.520 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 1234 33.117 ps 1.14 1.6470 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__META Used quality_code_limit: 5 Number of potentially recoverable observations: 1297 Number of potentially good observations with QC 5-9: 1297 Number of used observations: 1234 ( 95.14%) Number of suppressed observations: 63 ( 4.86%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 201 216 63.601 1.04 19800411_a xus801 1980.04.12-16:21:21.6 BAS_STAT HAYSTACK NRAO_140 211 216 18.497 0.95 19800411_a xus801 1980.04.12-16:21:21.6 BAS_STAT HAYSTACK OVRO_130 210 220 27.050 1.47 19800411_a xus801 1980.04.12-16:21:21.6 BAS_STAT HRAS_085 NRAO_140 197 210 68.600 1.03 19800411_a xus801 1980.04.12-16:21:21.6 BAS_STAT HRAS_085 OVRO_130 208 221 61.495 0.99 19800411_a xus801 1980.04.12-16:21:21.6 BAS_STAT NRAO_140 OVRO_130 207 214 49.470 1.26 19800411_a xus801 1980.04.12-16:21:21.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0552+398 J0555+3948 130 134 135 26.718 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 1642+690 J1642+6856 102 106 107 61.678 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 2134+00 J2136+0041 52 54 54 36.429 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 3C120 J0433+0521 57 66 67 54.950 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 3C273B J1229+0203 104 113 113 39.965 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 3C345 J1642+3948 126 128 128 20.197 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 3C454.3 J2253+1608 71 72 72 29.982 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 4C39.25 J0927+3902 101 115 117 30.787 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: 4C67.05 J0228+6721 58 63 63 87.080 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: NRAO150 J0359+5057 103 105 107 23.734 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: OJ287 J0854+2006 123 131 131 33.828 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: OQ208 J1407+2827 105 108 108 48.418 19800411_a xus801 1980.04.12-16:21:21.600 SRC_STAT: VR422201 J2202+4216 102 102 102 29.025 19800411_a xus801 1980.04.12-16:21:21.600 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.04.12-16:20:49 1. HAYSTACK 7205 NOAM X Comp 1492404701.71 mm 5.706 mm 2.238 mm 2.872 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266489.88 mm 45.118 mm 7.625 mm 9.785 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881716.05 mm -77.949 mm 5.234 mm 6.717 mm HAYSTACK 7205 U Comp -82.93 mm -82.933 mm 8.397 mm 9.584 mm HAYSTACK 7205 E Comp 19.74 mm 19.736 mm 4.162 mm 4.751 mm HAYSTACK 7205 N Comp -29.61 mm -29.612 mm 1.644 mm 1.877 mm 4. HAYSTACK AT 0 1980.04.11-20:42:19.656 -85.169 ps 51.809 ps 66.490 ps HAYSTACK Atm 1980.04.12-16:42:51.840 Avg: -28.446 ps Rms: 35.486 ps Tot_Rms: 45.480 ps || Nat: 223 Dura: 137400.0 sec Tzd_avg: 7926.3 Tzd_rms: 70.7 Wzd_avg: 367.9 Wzd_rms: 95.7 ps Prs_avg: 100287. Pa Tem_avg: 12.0 C Stm_avg: 1.9 C Stm_rms: 1.6 K Spr_avg: 580. Spr_rms: 61. Pa 125. HAYSTACK NG 1980.04.11-20:41:19.656 0.095 mm 0.420 mm 0.539 mm 126. HAYSTACK EG 1980.04.11-20:41:19.656 -0.148 mm 0.416 mm 0.534 mm 127. HAYSTACK NG 1980.04.12-04:41:19.656 0.071 mm 0.372 mm 0.477 mm 128. HAYSTACK EG 1980.04.12-04:41:19.656 0.075 mm 0.369 mm 0.473 mm 129. HAYSTACK NG 1980.04.12-12:41:19.656 -0.033 mm 0.369 mm 0.473 mm 130. HAYSTACK EG 1980.04.12-12:41:19.656 0.150 mm 0.366 mm 0.469 mm 131. HAYSTACK NG 1980.04.12-20:41:19.656 -0.003 mm 0.367 mm 0.471 mm 132. HAYSTACK EG 1980.04.12-20:41:19.656 -0.094 mm 0.364 mm 0.467 mm 133. HAYSTACK NG 1980.04.13-04:41:19.656 0.034 mm 0.371 mm 0.477 mm 134. HAYSTACK EG 1980.04.13-04:41:19.656 0.031 mm 0.369 mm 0.473 mm 135. HAYSTACK NG 1980.04.13-12:41:19.656 0.038 mm 0.418 mm 0.537 mm 136. HAYSTACK EG 1980.04.13-12:41:19.656 0.066 mm 0.416 mm 0.534 mm 137. HRAS_085 7216 NOAM X Comp -1324211082.96 mm -65.959 mm 5.236 mm 6.720 mm 138. HRAS_085 7216 NOAM Y Comp -5332023118.96 mm -36.960 mm 19.439 mm 24.948 mm 139. HRAS_085 7216 NOAM Z Comp 3232118421.34 mm 114.340 mm 11.877 mm 15.243 mm HRAS_085 7216 U Comp 102.81 mm 102.810 mm 23.151 mm 26.424 mm HRAS_085 7216 E Comp -55.11 mm -55.106 mm 2.013 mm 2.298 mm HRAS_085 7216 N Comp 72.00 mm 71.999 mm 2.522 mm 2.879 mm 140. HRAS_085 CL 0 1980.04.11-20:42:19.656 999.923 ns 0.223 ns 0.286 ns 141. HRAS_085 CL 1 1980.04.11-20:42:19.656 401.802 D-14 1.649 D-14 2.117 D-14 142. HRAS_085 CL 2 1980.04.11-20:42:19.656 -4.839 D-14/day 0.859 D-14/day 1.103 D-14/day 183. HRAS_085 AT 0 1980.04.11-20:42:19.656 -137.552 ps 70.208 ps 90.102 ps HRAS_085 Atm 1980.04.12-16:42:51.840 Avg: -126.661 ps Rms: 32.704 ps Tot_Rms: 130.815 ps || Nat: 228 Dura: 141420.0 sec Tzd_avg: 6572.5 Tzd_rms: 40.0 Wzd_avg: 216.1 Wzd_rms: 45.9 ps Prs_avg: 90631. Pa Tem_avg: 4.1 C Stm_avg: -2.2 C Stm_rms: 2.3 K Spr_avg: 6949. Spr_rms: 91. Pa 304. HRAS_085 NG 1980.04.11-20:41:19.656 -0.003 mm 0.422 mm 0.541 mm 305. HRAS_085 EG 1980.04.11-20:41:19.656 0.046 mm 0.421 mm 0.540 mm 306. HRAS_085 NG 1980.04.12-04:41:19.656 0.051 mm 0.375 mm 0.482 mm 307. HRAS_085 EG 1980.04.12-04:41:19.656 -0.065 mm 0.374 mm 0.479 mm 308. HRAS_085 NG 1980.04.12-12:41:19.656 0.009 mm 0.371 mm 0.477 mm 309. HRAS_085 EG 1980.04.12-12:41:19.656 -0.000 mm 0.371 mm 0.476 mm 310. HRAS_085 NG 1980.04.12-20:41:19.656 0.011 mm 0.372 mm 0.477 mm 311. HRAS_085 EG 1980.04.12-20:41:19.656 0.045 mm 0.371 mm 0.476 mm 312. HRAS_085 NG 1980.04.13-04:41:19.656 -0.009 mm 0.375 mm 0.481 mm 313. HRAS_085 EG 1980.04.13-04:41:19.656 -0.030 mm 0.374 mm 0.480 mm 314. HRAS_085 NG 1980.04.13-12:41:19.656 -0.042 mm 0.421 mm 0.541 mm 315. HRAS_085 EG 1980.04.13-12:41:19.656 -0.010 mm 0.420 mm 0.539 mm 316. NRAO_140 7204 NOAM X Comp 882879844.17 mm 5.173 mm 2.319 mm 2.976 mm 317. NRAO_140 7204 NOAM Y Comp -4924482255.45 mm 57.547 mm 8.108 mm 10.405 mm 318. NRAO_140 7204 NOAM Z Comp 3944130633.71 mm -54.294 mm 5.595 mm 7.180 mm NRAO_140 7204 U Comp -77.41 mm -77.405 mm 9.430 mm 10.763 mm NRAO_140 7204 E Comp 15.25 mm 15.248 mm 3.307 mm 3.774 mm NRAO_140 7204 N Comp -7.88 mm -7.882 mm 1.599 mm 1.825 mm 319. NRAO_140 CL 0 1980.04.11-20:42:19.656 -2563.933 ns 0.208 ns 0.266 ns 320. NRAO_140 CL 1 1980.04.11-20:42:19.656 103.949 D-14 1.682 D-14 2.159 D-14 321. NRAO_140 CL 2 1980.04.11-20:42:19.656 -2.704 D-14/day 0.869 D-14/day 1.116 D-14/day 362. NRAO_140 AT 0 1980.04.11-20:42:19.656 -13.807 ps 56.861 ps 72.973 ps NRAO_140 Atm 1980.04.12-16:42:51.840 Avg: -7.837 ps Rms: 55.774 ps Tot_Rms: 56.322 ps || Nat: 219 Dura: 136560.0 sec Tzd_avg: 7339.5 Tzd_rms: 62.7 Wzd_avg: 374.6 Wzd_rms: 76.3 ps Prs_avg: 91819. Pa Tem_avg: 7.5 C Stm_avg: -2.5 C Stm_rms: 2.0 K Spr_avg: -20. Spr_rms: 53. Pa 483. NRAO_140 NG 1980.04.11-20:41:19.656 -0.097 mm 0.419 mm 0.538 mm 484. NRAO_140 EG 1980.04.11-20:41:19.656 0.015 mm 0.415 mm 0.532 mm 485. NRAO_140 NG 1980.04.12-04:41:19.656 -0.124 mm 0.371 mm 0.476 mm 486. NRAO_140 EG 1980.04.12-04:41:19.656 -0.042 mm 0.368 mm 0.472 mm 487. NRAO_140 NG 1980.04.12-12:41:19.656 -0.050 mm 0.367 mm 0.472 mm 488. NRAO_140 EG 1980.04.12-12:41:19.656 -0.086 mm 0.367 mm 0.471 mm 489. NRAO_140 NG 1980.04.12-20:41:19.656 -0.103 mm 0.368 mm 0.472 mm 490. NRAO_140 EG 1980.04.12-20:41:19.656 0.009 mm 0.364 mm 0.467 mm 491. NRAO_140 NG 1980.04.13-04:41:19.656 -0.018 mm 0.370 mm 0.475 mm 492. NRAO_140 EG 1980.04.13-04:41:19.656 0.105 mm 0.368 mm 0.472 mm 493. NRAO_140 NG 1980.04.13-12:41:19.656 0.037 mm 0.418 mm 0.537 mm 494. NRAO_140 EG 1980.04.13-12:41:19.656 0.094 mm 0.416 mm 0.533 mm 495. OVRO_130 7207 NOAM X Comp -2409600831.92 mm 55.079 mm 3.333 mm 4.277 mm 496. OVRO_130 7207 NOAM Y Comp -4478349529.70 mm -65.704 mm 8.793 mm 11.284 mm 497. OVRO_130 7207 NOAM Z Comp 3838603205.90 mm 17.903 mm 6.501 mm 8.343 mm OVRO_130 7207 U Comp 36.12 mm 36.121 mm 10.994 mm 12.548 mm OVRO_130 7207 E Comp 79.64 mm 79.636 mm 2.549 mm 2.910 mm OVRO_130 7207 N Comp -4.96 mm -4.963 mm 1.822 mm 2.079 mm 498. OVRO_130 CL 0 1980.04.11-20:42:19.656 -8920.623 ns 0.164 ns 0.211 ns 499. OVRO_130 CL 1 1980.04.11-20:42:19.656 20.715 D-14 1.641 D-14 2.106 D-14 500. OVRO_130 CL 2 1980.04.11-20:42:19.656 -3.328 D-14/day 0.852 D-14/day 1.094 D-14/day 541. OVRO_130 AT 0 1980.04.11-20:42:19.656 -37.705 ps 34.150 ps 43.827 ps OVRO_130 Atm 1980.04.12-16:42:51.840 Avg: -33.715 ps Rms: 38.514 ps Tot_Rms: 51.186 ps || Nat: 229 Dura: 141420.0 sec Tzd_avg: 6820.7 Tzd_rms: 18.5 Wzd_avg: 96.9 Wzd_rms: 19.7 ps Prs_avg: 87636. Pa Tem_avg: 15.4 C Stm_avg: 1.9 C Stm_rms: 7.1 K Spr_avg: -893. Spr_rms: 143. Pa 662. OVRO_130 NG 1980.04.11-20:41:19.656 0.077 mm 0.421 mm 0.541 mm 663. OVRO_130 EG 1980.04.11-20:41:19.656 0.068 mm 0.420 mm 0.539 mm 664. OVRO_130 NG 1980.04.12-04:41:19.656 0.052 mm 0.375 mm 0.481 mm 665. OVRO_130 EG 1980.04.12-04:41:19.656 0.145 mm 0.373 mm 0.479 mm 666. OVRO_130 NG 1980.04.12-12:41:19.656 0.036 mm 0.371 mm 0.476 mm 667. OVRO_130 EG 1980.04.12-12:41:19.656 0.053 mm 0.370 mm 0.475 mm 668. OVRO_130 NG 1980.04.12-20:41:19.656 0.089 mm 0.371 mm 0.476 mm 669. OVRO_130 EG 1980.04.12-20:41:19.656 0.021 mm 0.370 mm 0.475 mm 670. OVRO_130 NG 1980.04.13-04:41:19.656 -0.036 mm 0.374 mm 0.480 mm 671. OVRO_130 EG 1980.04.13-04:41:19.656 -0.012 mm 0.373 mm 0.479 mm 672. OVRO_130 NG 1980.04.13-12:41:19.656 -0.105 mm 0.421 mm 0.540 mm 673. OVRO_130 EG 1980.04.13-12:41:19.656 -0.103 mm 0.419 mm 0.538 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 38.19 ps/h NRMS 0.76 share 0.62 count 121 2. HRAS_085 Input 50.00 ps/h RMS 24.38 ps/h NRMS 0.49 share 0.85 count 121 3. NRAO_140 Input 50.00 ps/h RMS 28.46 ps/h NRMS 0.57 share 0.71 count 121 4. OVRO_130 Input 50.00 ps/h RMS 41.77 ps/h NRMS 0.84 share 0.71 count 121 Overall RMS 33.94 ps/h NRMS 0.68 share 0.72 count 484 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.36 mm/d NRMS 0.18 share 0.49 count 12 2. HRAS_085 Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.08 share 0.50 count 12 3. NRAO_140 Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.49 count 12 4. OVRO_130 Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.10 share 0.50 count 12 Overall RMS 0.25 mm/d NRMS 0.12 share 0.50 count 48 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 9.14 D-14 NRMS 1.83 share 0.17 count 41 3. NRAO_140 Input 5.00 D-14 RMS 2.32 D-14 NRMS 0.46 share 0.13 count 41 4. OVRO_130 Input 5.00 D-14 RMS 2.93 D-14 NRMS 0.59 share 0.13 count 41 Overall RMS 5.70 D-14 NRMS 1.14 share 0.14 count 123 674. UT1-TAI 1, 1980.04.12-16:21:00.000 -3.0850 ms/d -48.19 micros/d 20.96 micros/d 26.90 micros/d EOP epoch (TDT) MJD: 44341.681623 NUT epoch (TDT) MJD: 44341.723522 675. Nutation DPSI wrt apriori model 1980.04.12-16:20:49.416 -0.853 mas 503.6 microasec 646.3 microasec Nutation Dx wrt apriori model 1980.04.12-16:20:49.416 -0.338 mas 199.6 microasec 256.2 microasec Nutation DPSI wrt Wahr 1980 model 1980.04.12-16:20:49.416 12.646 mas 503.6 microasec 646.3 microasec 676. Nutation DEPS wrt apriori model 1980.04.12-16:20:49.416 -0.263 mas 162.9 microasec 209.1 microasec Nutation Dy wrt apriori model 1980.04.12-16:20:49.416 -0.265 mas 163.8 microasec 210.2 microasec Nutation DEPS wrt Wahr 1980 model 1980.04.12-16:20:49.416 -3.070 mas 162.9 microasec 209.1 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6923 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.04.12 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641005.01 8.36 3135641005.01 8.36 124.54 3.10 -181.26 30.40 HAYSTACK 7205 to NRAO_140 7204 845129841.88 1.83 845129841.88 1.83 20.23 1.62 -6.11 7.61 HAYSTACK 7205 to OVRO_130 7207 3928881631.19 3.59 3928881631.19 3.59 -9.14 2.13 -142.37 12.12 HRAS_085 7216 to NRAO_140 7204 2354634006.94 6.69 2354634006.94 6.69 101.31 3.23 176.46 31.05 HRAS_085 7216 to OVRO_130 7207 1508195377.94 4.80 1508195377.94 4.80 -2.04 3.29 67.56 31.59 NRAO_140 7204 to OVRO_130 7207 3324244192.21 3.55 3324244192.21 3.55 -18.83 2.30 -133.71 13.36 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NRAO_140 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:12 Correlator type: Unknown Experiment code: hdsrvy Mark-3 db_name: $80APR13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800413_a Ver 2 hdsrvy Matrix Condition Number = 1.108011819686021E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: CABL_DEL GION | | NRAO_140: CABL_DEL GION | | OVRO_130: CABL_DEL GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for NRAO_140 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 10.1 3.5 1002.9 3.8 58.4 2.9 HRAS_085 MET -0.2 1.5 910.0 1.7 70.6 28.3 NRAO_140 MET 6.9 1.3 914.5 2.9 85.9 8.8 OVRO_130 MET 13.7 7.9 872.8 2.0 37.7 9.3 Run 26091-1733 1195 Observation Pairs Available Session started on: 2444343.042900 1980.04.13 13:01:46.560 UTC Nominal duration: 94504.320 sec 01 02:15:04.320 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 601 53.026 ps 0.92 1.0034 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 613 Number of potentially good observations with QC 5-9: 613 Number of used observations: 601 ( 98.04%) Number of suppressed observations: 12 ( 1.96%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 46 49 61.415 0.91 19800413_a hdsrvy 1980.04.14-02:09:18.7 BAS_STAT HAYSTACK NRAO_140 79 79 37.253 0.89 19800413_a hdsrvy 1980.04.14-02:09:18.7 BAS_STAT HAYSTACK OVRO_130 59 61 38.553 0.88 19800413_a hdsrvy 1980.04.14-02:09:18.7 BAS_STAT HRAS_085 NRAO_140 120 120 80.624 0.92 19800413_a hdsrvy 1980.04.14-02:09:18.7 BAS_STAT HRAS_085 OVRO_130 149 150 162.543 0.97 19800413_a hdsrvy 1980.04.14-02:09:18.7 BAS_STAT NRAO_140 OVRO_130 148 154 39.882 0.88 19800413_a hdsrvy 1980.04.14-02:09:18.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0016+731 J0019+7327 20 20 36 78.847 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0133+476 J0136+4751 26 26 42 43.170 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0212+735 J0217+7349 21 22 42 67.572 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0300+470 J0303+4716 20 20 36 33.918 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0454+844 J0508+8432 14 14 38 110.826 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0707+476 J0710+4732 13 14 38 132.054 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0716+714 J0721+7120 19 20 41 102.108 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0804+499 J0808+4950 20 20 35 72.896 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0814+425 J0818+4222 20 21 36 55.889 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0828+493 J0832+4913 20 20 36 91.354 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0917+624 J0921+6215 20 20 36 82.979 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 0954+658 J0958+6533 10 10 33 198.557 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1053+815 J1058+8114 0 0 33 0.000 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1150+812 J1153+8058 12 12 33 113.929 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1342+662 J1343+6602 0 0 33 0.000 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1342+663 J1344+6606 9 9 65 106.965 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1637+574 J1638+5720 15 15 27 48.569 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1642+690 J1642+6856 4 4 4 115.780 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1727+502 J1728+5013 0 0 30 0.000 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1739+522 J1740+5211 24 24 36 99.605 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1749+701 J1748+7005 13 13 35 117.296 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1803+784 J1800+7828 23 23 35 49.620 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1823+568 J1824+5651 28 28 35 50.366 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1842+681 J1842+6809 24 24 36 110.804 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 1928+738 J1927+7358 27 27 33 48.933 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 2007+777 J2005+7752 26 26 36 45.898 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 2021+614 J2022+6136 27 28 36 64.355 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 2134+00 J2136+0041 2 2 2 41.028 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 3C345 J1642+3948 35 41 62 20.751 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 3C371 J1806+6949 17 18 33 70.939 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 3C454.3 J2253+1608 3 3 3 21.629 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 4C39.25 J0927+3902 22 22 35 39.937 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: 4C67.05 J0228+6721 0 0 1 0.000 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: NRAO150 J0359+5057 21 21 39 41.205 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: NRAO512 J1640+3946 15 15 30 78.505 19800413_a hdsrvy 1980.04.14-02:09:18.720 SRC_STAT: VR422201 J2202+4216 31 31 34 28.724 19800413_a hdsrvy 1980.04.14-02:09:18.720 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.04.14-02:08:46 1. HAYSTACK 7205 NOAM X Comp 1492404694.03 mm -1.968 mm 11.905 mm 11.925 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266524.74 mm 10.262 mm 40.327 mm 40.395 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881777.53 mm -16.469 mm 42.901 mm 42.974 mm HAYSTACK 7205 U Comp -18.77 mm -18.772 mm 56.953 mm 52.116 mm HAYSTACK 7205 E Comp 1.39 mm 1.392 mm 15.970 mm 14.614 mm HAYSTACK 7205 N Comp -5.11 mm -5.106 mm 10.474 mm 9.585 mm 4. HAYSTACK AT 0 1980.04.13-13:01:14.376 -157.786 ps 107.681 ps 107.865 ps HAYSTACK Atm 1980.04.14-02:31:46.560 Avg: -157.733 ps Rms: 19.803 ps Tot_Rms: 158.971 ps || Nat: 204 Dura: 85800.0 sec Tzd_avg: 7834.9 Tzd_rms: 105.4 Wzd_avg: 273.3 Wzd_rms: 90.1 ps Prs_avg: 100290. Pa Tem_avg: 10.1 C Stm_avg: 1.5 C Stm_rms: 0.9 K Spr_avg: 585. Spr_rms: 77. Pa 86. HAYSTACK NG 1980.04.13-13:00:14.376 -0.031 mm 0.422 mm 0.423 mm 87. HAYSTACK EG 1980.04.13-13:00:14.376 0.013 mm 0.422 mm 0.423 mm 88. HAYSTACK NG 1980.04.13-21:00:14.376 -0.008 mm 0.377 mm 0.378 mm 89. HAYSTACK EG 1980.04.13-21:00:14.376 0.012 mm 0.377 mm 0.378 mm 90. HAYSTACK NG 1980.04.14-05:00:14.376 0.016 mm 0.377 mm 0.378 mm 91. HAYSTACK EG 1980.04.14-05:00:14.376 -0.014 mm 0.377 mm 0.378 mm 92. HAYSTACK NG 1980.04.14-13:00:14.376 0.008 mm 0.422 mm 0.423 mm 93. HAYSTACK EG 1980.04.14-13:00:14.376 -0.004 mm 0.422 mm 0.423 mm 94. HRAS_085 7216 NOAM X Comp -1324211088.45 mm -71.445 mm 17.620 mm 17.650 mm 95. HRAS_085 7216 NOAM Y Comp -5332023101.40 mm -19.404 mm 65.156 mm 65.267 mm 96. HRAS_085 7216 NOAM Z Comp 3232118412.57 mm 105.570 mm 48.974 mm 49.057 mm HRAS_085 7216 U Comp 84.82 mm 84.818 mm 81.303 mm 74.398 mm HRAS_085 7216 E Comp -64.66 mm -64.662 mm 10.242 mm 9.372 mm HRAS_085 7216 N Comp 72.46 mm 72.462 mm 15.462 mm 14.148 mm 97. HRAS_085 CL 0 1980.04.13-13:01:14.376 1568.078 ns 0.634 ns 0.635 ns 98. HRAS_085 CL 1 1980.04.13-13:01:14.376 383.651 D-14 4.276 D-14 4.283 D-14 99. HRAS_085 CL 2 1980.04.13-13:01:14.376 -10.329 D-14/day 13.926 D-14/day 13.950 D-14/day 100. HRAS_085 BR 0 1980.04.13-19:49:27.816 4.407 ns 0.190 ns 0.190 ns 101. HRAS_085 BR 1 1980.04.13-19:49:27.816 5.244 D-14 5.329 D-14 5.338 D-14 102. HRAS_085 BR 2 1980.04.13-19:49:27.816 0.986 D-14/day 14.307 D-14/day 14.331 D-14/day 130. HRAS_085 AT 0 1980.04.13-13:01:14.376 -53.793 ps 194.179 ps 194.510 ps HRAS_085 Atm 1980.04.14-02:31:46.560 Avg: -40.413 ps Rms: 13.214 ps Tot_Rms: 42.518 ps || Nat: 218 Dura: 94500.0 sec Tzd_avg: 6494.4 Tzd_rms: 15.3 Wzd_avg: 108.5 Wzd_rms: 13.1 ps Prs_avg: 90994. Pa Tem_avg: -0.1 C Stm_avg: -2.7 C Stm_rms: 2.0 K Spr_avg: 6968. Spr_rms: 47. Pa 212. HRAS_085 NG 1980.04.13-13:00:14.376 0.006 mm 0.422 mm 0.423 mm 213. HRAS_085 EG 1980.04.13-13:00:14.376 -0.005 mm 0.422 mm 0.423 mm 214. HRAS_085 NG 1980.04.13-21:00:14.376 -0.003 mm 0.377 mm 0.378 mm 215. HRAS_085 EG 1980.04.13-21:00:14.376 0.018 mm 0.377 mm 0.378 mm 216. HRAS_085 NG 1980.04.14-05:00:14.376 0.003 mm 0.377 mm 0.378 mm 217. HRAS_085 EG 1980.04.14-05:00:14.376 0.003 mm 0.377 mm 0.378 mm 218. HRAS_085 NG 1980.04.14-13:00:14.376 -0.004 mm 0.422 mm 0.423 mm 219. HRAS_085 EG 1980.04.14-13:00:14.376 -0.007 mm 0.422 mm 0.423 mm 220. NRAO_140 7204 NOAM X Comp 882879836.49 mm -2.508 mm 9.577 mm 9.593 mm 221. NRAO_140 7204 NOAM Y Comp -4924482291.99 mm 21.010 mm 36.010 mm 36.072 mm 222. NRAO_140 7204 NOAM Z Comp 3944130658.46 mm -29.544 mm 33.314 mm 33.370 mm NRAO_140 7204 U Comp -34.91 mm -34.911 mm 47.609 mm 43.566 mm NRAO_140 7204 E Comp 1.24 mm 1.239 mm 12.725 mm 11.644 mm NRAO_140 7204 N Comp -10.01 mm -10.010 mm 8.348 mm 7.639 mm 223. NRAO_140 CL 0 1980.04.13-13:01:14.376 -2419.959 ns 0.327 ns 0.327 ns 224. NRAO_140 CL 1 1980.04.13-13:01:14.376 92.090 D-14 2.192 D-14 2.196 D-14 225. NRAO_140 CL 2 1980.04.13-13:01:14.376 -9.644 D-14/day 2.026 D-14/day 2.030 D-14/day 253. NRAO_140 AT 0 1980.04.13-13:01:14.376 -65.072 ps 95.972 ps 96.135 ps NRAO_140 Atm 1980.04.14-02:31:46.560 Avg: -49.896 ps Rms: 17.088 ps Tot_Rms: 52.741 ps || Nat: 204 Dura: 85800.0 sec Tzd_avg: 7478.1 Tzd_rms: 54.2 Wzd_avg: 544.6 Wzd_rms: 73.4 ps Prs_avg: 91450. Pa Tem_avg: 6.9 C Stm_avg: -1.2 C Stm_rms: 1.0 K Spr_avg: -49. Spr_rms: 61. Pa 335. NRAO_140 NG 1980.04.13-13:00:14.376 0.022 mm 0.422 mm 0.423 mm 336. NRAO_140 EG 1980.04.13-13:00:14.376 -0.008 mm 0.422 mm 0.423 mm 337. NRAO_140 NG 1980.04.13-21:00:14.376 -0.006 mm 0.377 mm 0.378 mm 338. NRAO_140 EG 1980.04.13-21:00:14.376 -0.056 mm 0.377 mm 0.377 mm 339. NRAO_140 NG 1980.04.14-05:00:14.376 -0.024 mm 0.377 mm 0.378 mm 340. NRAO_140 EG 1980.04.14-05:00:14.376 -0.008 mm 0.377 mm 0.377 mm 341. NRAO_140 NG 1980.04.14-13:00:14.376 -0.009 mm 0.422 mm 0.423 mm 342. NRAO_140 EG 1980.04.14-13:00:14.376 0.007 mm 0.422 mm 0.423 mm 343. OVRO_130 7207 NOAM X Comp -2409600811.08 mm 75.922 mm 14.125 mm 14.150 mm 344. OVRO_130 7207 NOAM Y Comp -4478349475.87 mm -11.867 mm 37.755 mm 37.819 mm 345. OVRO_130 7207 NOAM Z Comp 3838603128.44 mm -59.557 mm 38.336 mm 38.401 mm OVRO_130 7207 U Comp -56.36 mm -56.355 mm 52.885 mm 48.393 mm OVRO_130 7207 E Comp 72.48 mm 72.481 mm 12.439 mm 11.382 mm OVRO_130 7207 N Comp -31.98 mm -31.977 mm 11.963 mm 10.947 mm 346. OVRO_130 CL 0 1980.04.13-13:01:14.376 -8899.410 ns 0.470 ns 0.471 ns 347. OVRO_130 CL 1 1980.04.13-13:01:14.376 7.306 D-14 2.205 D-14 2.209 D-14 348. OVRO_130 CL 2 1980.04.13-13:01:14.376 -6.895 D-14/day 1.979 D-14/day 1.982 D-14/day 376. OVRO_130 AT 0 1980.04.13-13:01:14.376 96.327 ps 104.848 ps 105.026 ps OVRO_130 Atm 1980.04.14-02:31:46.560 Avg: 37.173 ps Rms: 38.447 ps Tot_Rms: 53.479 ps || Nat: 212 Dura: 94500.0 sec Tzd_avg: 6885.6 Tzd_rms: 30.6 Wzd_avg: 193.2 Wzd_rms: 38.0 ps Prs_avg: 87272. Pa Tem_avg: 13.2 C Stm_avg: -0.0 C Stm_rms: 5.5 K Spr_avg: -900. Spr_rms: 77. Pa 458. OVRO_130 NG 1980.04.13-13:00:14.376 -0.012 mm 0.422 mm 0.423 mm 459. OVRO_130 EG 1980.04.13-13:00:14.376 -0.003 mm 0.422 mm 0.423 mm 460. OVRO_130 NG 1980.04.13-21:00:14.376 0.004 mm 0.377 mm 0.378 mm 461. OVRO_130 EG 1980.04.13-21:00:14.376 -0.006 mm 0.377 mm 0.377 mm 462. OVRO_130 NG 1980.04.14-05:00:14.376 0.004 mm 0.377 mm 0.378 mm 463. OVRO_130 EG 1980.04.14-05:00:14.376 -0.005 mm 0.377 mm 0.378 mm 464. OVRO_130 NG 1980.04.14-13:00:14.376 0.002 mm 0.422 mm 0.423 mm 465. OVRO_130 EG 1980.04.14-13:00:14.376 0.001 mm 0.422 mm 0.423 mm 466. 2021+614 J2022+6136 RT. ASC. 20 22 06.68204630 4.4445 mas 1.0260 mas 1.0277 mas 467. 2021+614 J2022+6136 DEC. +61 36 58.80705680 2.2468 mas 0.5521 mas 0.5530 mas 2021+614 J2022+6136 CORREL. -0.2626 Reference date: 2000.01.01-11:59:27 Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 9.62 ps/h NRMS 0.19 share 0.94 count 82 2. HRAS_085 Input 50.00 ps/h RMS 8.89 ps/h NRMS 0.18 share 0.94 count 82 3. NRAO_140 Input 50.00 ps/h RMS 13.54 ps/h NRMS 0.27 share 0.90 count 82 4. OVRO_130 Input 50.00 ps/h RMS 14.22 ps/h NRMS 0.28 share 0.92 count 82 Overall RMS 11.80 ps/h NRMS 0.24 share 0.92 count 328 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. NRAO_140 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 4. OVRO_130 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 2.44 D-14 NRMS 0.49 share 0.47 count 28 3. NRAO_140 Input 5.00 D-14 RMS 1.97 D-14 NRMS 0.39 share 0.36 count 28 4. OVRO_130 Input 5.00 D-14 RMS 2.05 D-14 NRMS 0.41 share 0.35 count 28 Overall RMS 2.16 D-14 NRMS 0.43 share 0.39 count 84 468. UT1-TAI 1, 1980.04.14-02:09:00.000 -3.1390 ms/d -11.12 micros/d 178.72 micros/d 179.02 micros/d EOP epoch (TDT) MJD: 44343.089956 NUT epoch (TDT) MJD: 44342.946758 469. Nutation DPSI wrt apriori model 1980.04.14-02:08:46.536 3.870 mas 2391.0 microasec 2395.1 microasec Nutation Dx wrt apriori model 1980.04.14-02:08:46.536 1.534 mas 945.9 microasec 947.5 microasec Nutation DPSI wrt Wahr 1980 model 1980.04.14-02:08:46.536 17.372 mas 2391.0 microasec 2395.1 microasec 470. Nutation DEPS wrt apriori model 1980.04.14-02:08:46.536 1.373 mas 1194.3 microasec 1196.3 microasec Nutation Dy wrt apriori model 1980.04.14-02:08:46.536 1.380 mas 1198.4 microasec 1200.5 microasec Nutation DEPS wrt Wahr 1980 model 1980.04.14-02:08:46.536 -1.365 mas 1194.3 microasec 1196.3 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter 6) SRC_COO "Source coordinates " sigma 1.000E-04 rad Corrected Reduced Chi-Square 1.0403 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.04.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641012.28 29.26 3135641012.28 29.26 101.76 19.91 -96.91 125.04 HAYSTACK 7205 to NRAO_140 7204 845129858.15 10.53 845129858.15 10.53 -3.76 13.32 16.51 65.57 HAYSTACK 7205 to OVRO_130 7207 3928881618.60 21.27 3928881618.60 21.27 -53.46 15.76 18.44 91.72 HRAS_085 7216 to NRAO_140 7204 2354634005.65 22.04 2354634005.65 22.04 104.65 18.46 112.89 117.42 HRAS_085 7216 to OVRO_130 7207 1508195351.91 16.08 1508195351.91 16.08 -25.02 17.59 141.87 109.10 NRAO_140 7204 to OVRO_130 7207 3324244179.33 15.48 3324244179.33 15.48 -39.20 13.13 3.57 80.84 NNT_POS: 5 stations participated in NNT_POS constraints: EFLSBERG HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:15 Correlator type: Unknown Experiment code: mert01 Mark-3 db_name: $80JUL26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800726_a Ver 2 mert01 Matrix Condition Number = 1.425398087376801E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- EFLSBERG: CABL_DEL GION | | HAYSTACK: GION | | HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for EFLSBERG is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms EFLSBERG MET 24.2 4.2 970.6 1.0 20.5 37.0 HAYSTACK MET 23.6 3.6 1003.5 0.3 48.9 6.1 HRAS_085 MET 26.2 5.6 845.1 1.1 17.9 1.3 ONSALA60 MET 22.7 3.9 1015.7 0.5 77.0 3.6 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 30.5 6.7 859.5 1.2 11.8 2.2 Run 26091-1733 1906 Observation Pairs Available Session started on: 2444446.539100 1980.07.26 00:56:18.240 UTC Nominal duration: 82978.560 sec 00 23:02:58.560 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 720 44.120 ps 0.86 0.9710 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 742 Number of potentially good observations with QC 5-9: 742 Number of used observations: 720 ( 97.04%) Number of suppressed observations: 22 ( 2.96%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps EFLSBERG HAYSTACK 125 133 41.998 0.88 19800726_a mert01 1980.07.26-12:27:47.5 BAS_STAT EFLSBERG ONSALA60 110 114 30.146 0.83 19800726_a mert01 1980.07.26-12:27:47.5 BAS_STAT EFLSBERG OVRO_130 104 108 48.551 0.88 19800726_a mert01 1980.07.26-12:27:47.5 BAS_STAT HAYSTACK ONSALA60 112 112 49.744 0.90 19800726_a mert01 1980.07.26-12:27:47.5 BAS_STAT HAYSTACK OVRO_130 113 117 44.729 0.88 19800726_a mert01 1980.07.26-12:27:47.5 BAS_STAT HRAS_085 ONSALA60 70 71 42.584 0.66 19800726_a mert01 1980.07.26-12:27:47.5 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 86 87 103.628 0.95 19800726_a mert01 1980.07.26-12:27:47.5 BAS_STAT Not included: EFLSBERG HRAS_085 0/ 0 deselected baseline 19800726_a mert01 EFLSBERG ONSALA85 0/ 0 deselected baseline 19800726_a mert01 HAYSTACK HRAS_085 0/ 0 deselected baseline 19800726_a mert01 HAYSTACK ONSALA85 0/ 0 deselected baseline 19800726_a mert01 HRAS_085 ONSALA85 0/ 0 deselected baseline 19800726_a mert01 HRAS_085 OVRO_130 0/ 0 deselected baseline 19800726_a mert01 ONSALA85 OVRO_130 0/ 0 deselected baseline 19800726_a mert01 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 35 38.944 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 0234+285 J0237+2848 52 52 115 52.661 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 0235+164 J0238+1636 34 38 83 40.822 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 0552+398 J0555+3948 64 67 147 36.663 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 1219+285 J1221+2813 46 47 142 88.916 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 1354+195 J1357+1919 24 24 92 88.522 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 1502+106 J1504+1029 18 18 55 60.306 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 1633+38 J1635+3808 35 35 89 58.579 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 1642+690 J1642+6856 32 32 88 49.218 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 1749+096 J1751+0939 20 20 68 45.018 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 2134+00 J2136+0041 5 5 20 52.815 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 3C273B J1229+0203 22 24 56 34.249 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 3C345 J1642+3948 82 84 207 29.424 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 3C454.3 J2253+1608 18 19 51 29.127 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 4C39.25 J0927+3902 49 50 102 47.098 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: 4C67.05 J0228+6721 56 57 182 77.115 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: NRAO150 J0359+5057 67 67 163 35.677 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: OK290 J0956+2515 42 45 96 67.398 19800726_a mert01 1980.07.26-12:27:47.520 SRC_STAT: VR422201 J2202+4216 41 45 115 17.680 19800726_a mert01 1980.07.26-12:27:47.520 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.07.26-12:27:15 1. EFLSBERG 7203 EURA X Comp 4033947333.62 mm -99.384 mm 13.834 mm 13.632 mm 2. EFLSBERG 7203 EURA Y Comp 486990431.17 mm -131.830 mm 37.337 mm 36.793 mm 3. EFLSBERG 7203 EURA Z Comp 4900430721.09 mm -115.905 mm 28.001 mm 27.592 mm EFLSBERG 7203 U Comp -162.24 mm -162.239 mm 23.757 mm 20.542 mm EFLSBERG 7203 E Comp -118.97 mm -118.968 mm 36.859 mm 31.872 mm EFLSBERG 7203 N Comp 14.67 mm 14.672 mm 21.131 mm 18.272 mm 4. EFLSBERG CL 0 1980.07.26-00:55:46.056 -7080.241 ns 0.679 ns 0.669 ns 5. EFLSBERG CL 1 1980.07.26-00:55:46.056 -1208.526 D-14 2.175 D-14 2.143 D-14 6. EFLSBERG CL 2 1980.07.26-00:55:46.056 -2.870 D-14/day 1.961 D-14/day 1.932 D-14/day 30. EFLSBERG AT 0 1980.07.26-00:55:46.056 8.364 ps 38.688 ps 38.123 ps EFLSBERG Atm 1980.07.26-12:26:18.240 Avg: -8.829 ps Rms: 37.596 ps Tot_Rms: 38.619 ps || Nat: 150 Dura: 82980.0 sec Tzd_avg: 7916.0 Tzd_rms: 74.9 Wzd_avg: 604.2 Wzd_rms: 78.4 ps Prs_avg: 97063. Pa Tem_avg: 24.0 C Stm_avg: 2.5 C Stm_rms: 2.0 K Spr_avg: 436. Spr_rms: 30. Pa 100. EFLSBERG NG 1980.07.26-00:54:46.056 -0.014 mm 0.422 mm 0.416 mm 101. EFLSBERG EG 1980.07.26-00:54:46.056 0.002 mm 0.422 mm 0.416 mm 102. EFLSBERG NG 1980.07.26-08:54:46.056 0.033 mm 0.375 mm 0.370 mm 103. EFLSBERG EG 1980.07.26-08:54:46.056 0.012 mm 0.377 mm 0.371 mm 104. EFLSBERG NG 1980.07.26-16:54:46.056 -0.049 mm 0.376 mm 0.371 mm 105. EFLSBERG EG 1980.07.26-16:54:46.056 -0.016 mm 0.377 mm 0.371 mm 106. EFLSBERG NG 1980.07.27-00:54:46.056 -0.006 mm 0.421 mm 0.415 mm 107. EFLSBERG EG 1980.07.27-00:54:46.056 -0.008 mm 0.422 mm 0.416 mm 108. HAYSTACK 7205 NOAM X Comp 1492404744.90 mm 48.896 mm 23.855 mm 23.507 mm 109. HAYSTACK 7205 NOAM Y Comp -4457266448.11 mm 86.886 mm 72.360 mm 71.304 mm 110. HAYSTACK 7205 NOAM Z Comp 4296881849.00 mm 54.998 mm 65.070 mm 64.120 mm HAYSTACK 7205 U Comp -11.96 mm -11.958 mm 98.209 mm 84.921 mm HAYSTACK 7205 E Comp 73.95 mm 73.952 mm 17.843 mm 15.428 mm HAYSTACK 7205 N Comp 85.75 mm 85.749 mm 8.712 mm 7.533 mm 111. HAYSTACK AT 0 1980.07.26-00:55:46.056 -350.356 ps 275.179 ps 271.163 ps HAYSTACK Atm 1980.07.26-12:26:18.240 Avg: -320.265 ps Rms: 48.122 ps Tot_Rms: 323.860 ps || Nat: 151 Dura: 82980.0 sec Tzd_avg: 8159.5 Tzd_rms: 147.6 Wzd_avg: 605.5 Wzd_rms: 152.4 ps Prs_avg: 100349. Pa Tem_avg: 23.7 C Stm_avg: -0.6 C Stm_rms: 1.0 K Spr_avg: 592. Spr_rms: 31. Pa 181. HAYSTACK NG 1980.07.26-00:54:46.056 0.001 mm 0.422 mm 0.416 mm 182. HAYSTACK EG 1980.07.26-00:54:46.056 0.045 mm 0.422 mm 0.416 mm 183. HAYSTACK NG 1980.07.26-08:54:46.056 0.005 mm 0.376 mm 0.371 mm 184. HAYSTACK EG 1980.07.26-08:54:46.056 0.061 mm 0.376 mm 0.371 mm 185. HAYSTACK NG 1980.07.26-16:54:46.056 0.023 mm 0.376 mm 0.371 mm 186. HAYSTACK EG 1980.07.26-16:54:46.056 -0.006 mm 0.376 mm 0.371 mm 187. HAYSTACK NG 1980.07.27-00:54:46.056 -0.006 mm 0.422 mm 0.416 mm 188. HAYSTACK EG 1980.07.27-00:54:46.056 -0.038 mm 0.422 mm 0.416 mm 189. HRAS_085 7216 NOAM X Comp -1324210917.98 mm 99.025 mm 34.951 mm 34.441 mm 190. HRAS_085 7216 NOAM Y Comp -5332022887.63 mm 194.368 mm 130.738 mm 128.831 mm 191. HRAS_085 7216 NOAM Z Comp 3232118444.23 mm 137.226 mm 74.325 mm 73.241 mm HRAS_085 7216 U Comp -112.91 mm -112.913 mm 150.333 mm 129.992 mm HRAS_085 7216 E Comp 49.26 mm 49.257 mm 24.858 mm 21.494 mm HRAS_085 7216 N Comp 226.36 mm 226.362 mm 24.912 mm 21.541 mm 192. HRAS_085 CL 0 1980.07.26-00:55:46.056 -2.564 ns 1.091 ns 1.075 ns 193. HRAS_085 CL 1 1980.07.26-00:55:46.056 -29.215 D-14 2.189 D-14 2.157 D-14 194. HRAS_085 CL 2 1980.07.26-00:55:46.056 0.686 D-14/day 2.000 D-14/day 1.971 D-14/day 218. HRAS_085 AT 0 1980.07.26-00:55:46.056 594.233 ps 302.878 ps 298.459 ps HRAS_085 Atm 1980.07.26-12:26:18.240 Avg: 552.109 ps Rms: 14.402 ps Tot_Rms: 552.296 ps || Nat: 139 Dura: 82980.0 sec Tzd_avg: 6887.9 Tzd_rms: 28.4 Wzd_avg: 515.0 Wzd_rms: 31.4 ps Prs_avg: 84514. Pa Tem_avg: 26.1 C Stm_avg: -0.2 C Stm_rms: 1.8 K Spr_avg: 481. Spr_rms: 41. Pa 288. HRAS_085 NG 1980.07.26-00:54:46.056 0.005 mm 0.422 mm 0.416 mm 289. HRAS_085 EG 1980.07.26-00:54:46.056 -0.004 mm 0.422 mm 0.416 mm 290. HRAS_085 NG 1980.07.26-08:54:46.056 0.000 mm 0.377 mm 0.372 mm 291. HRAS_085 EG 1980.07.26-08:54:46.056 0.001 mm 0.377 mm 0.372 mm 292. HRAS_085 NG 1980.07.26-16:54:46.056 -0.003 mm 0.377 mm 0.372 mm 293. HRAS_085 EG 1980.07.26-16:54:46.056 0.009 mm 0.377 mm 0.372 mm 294. HRAS_085 NG 1980.07.27-00:54:46.056 -0.002 mm 0.422 mm 0.416 mm 295. HRAS_085 EG 1980.07.27-00:54:46.056 0.008 mm 0.422 mm 0.416 mm 296. ONSALA60 7213 EURA X Comp 3370605875.36 mm -113.641 mm 13.074 mm 12.883 mm 297. ONSALA60 7213 EURA Y Comp 711917431.01 mm -97.992 mm 37.334 mm 36.790 mm 298. ONSALA60 7213 EURA Z Comp 5349830641.40 mm -124.604 mm 28.867 mm 28.446 mm ONSALA60 7213 U Comp -175.79 mm -175.792 mm 24.335 mm 21.042 mm ONSALA60 7213 E Comp -72.39 mm -72.392 mm 36.156 mm 31.264 mm ONSALA60 7213 N Comp 43.59 mm 43.585 mm 22.331 mm 19.309 mm 299. ONSALA60 CL 0 1980.07.26-00:55:46.056 2366.301 ns 0.672 ns 0.662 ns 300. ONSALA60 CL 1 1980.07.26-00:55:46.056 150.117 D-14 2.150 D-14 2.119 D-14 301. ONSALA60 CL 2 1980.07.26-00:55:46.056 -1.704 D-14/day 1.943 D-14/day 1.915 D-14/day 325. ONSALA60 AT 0 1980.07.26-00:55:46.056 18.993 ps 41.162 ps 40.561 ps ONSALA60 Atm 1980.07.26-12:26:18.240 Avg: 0.824 ps Rms: 36.646 ps Tot_Rms: 36.655 ps || Nat: 149 Dura: 82980.0 sec Tzd_avg: 8158.2 Tzd_rms: 19.3 Wzd_avg: 474.3 Wzd_rms: 25.7 ps Prs_avg: 101568. Pa Tem_avg: 22.7 C Stm_avg: 1.2 C Stm_rms: 1.6 K Spr_avg: 23. Spr_rms: 133. Pa 395. ONSALA60 NG 1980.07.26-00:54:46.056 0.018 mm 0.422 mm 0.416 mm 396. ONSALA60 EG 1980.07.26-00:54:46.056 -0.001 mm 0.422 mm 0.416 mm 397. ONSALA60 NG 1980.07.26-08:54:46.056 0.026 mm 0.375 mm 0.370 mm 398. ONSALA60 EG 1980.07.26-08:54:46.056 -0.015 mm 0.377 mm 0.371 mm 399. ONSALA60 NG 1980.07.26-16:54:46.056 0.005 mm 0.376 mm 0.371 mm 400. ONSALA60 EG 1980.07.26-16:54:46.056 0.001 mm 0.377 mm 0.371 mm 401. ONSALA60 NG 1980.07.27-00:54:46.056 -0.023 mm 0.421 mm 0.415 mm 402. ONSALA60 EG 1980.07.27-00:54:46.056 -0.007 mm 0.422 mm 0.416 mm 403. OVRO_130 7207 NOAM X Comp -2409600821.89 mm 65.105 mm 12.316 mm 12.137 mm 404. OVRO_130 7207 NOAM Y Comp -4478349515.43 mm -51.431 mm 40.978 mm 40.380 mm 405. OVRO_130 7207 NOAM Z Comp 3838603236.28 mm 48.285 mm 30.041 mm 29.603 mm OVRO_130 7207 U Comp 40.71 mm 40.714 mm 47.522 mm 41.092 mm OVRO_130 7207 E Comp 81.70 mm 81.702 mm 18.180 mm 15.720 mm OVRO_130 7207 N Comp 29.71 mm 29.706 mm 12.023 mm 10.396 mm 406. OVRO_130 CL 0 1980.07.26-00:55:46.056 2527.233 ns 0.675 ns 0.665 ns 407. OVRO_130 CL 1 1980.07.26-00:55:46.056 12.037 D-14 2.129 D-14 2.098 D-14 408. OVRO_130 CL 2 1980.07.26-00:55:46.056 -1.951 D-14/day 1.937 D-14/day 1.909 D-14/day 432. OVRO_130 AT 0 1980.07.26-00:55:46.056 32.140 ps 59.619 ps 58.749 ps OVRO_130 Atm 1980.07.26-12:26:18.240 Avg: 148.310 ps Rms: 77.882 ps Tot_Rms: 167.515 ps || Nat: 136 Dura: 82980.0 sec Tzd_avg: 7177.0 Tzd_rms: 55.1 Wzd_avg: 521.3 Wzd_rms: 62.6 ps Prs_avg: 85951. Pa Tem_avg: 30.5 C Stm_avg: -0.7 C Stm_rms: 4.0 K Spr_avg: -1902. Spr_rms: 127. Pa 502. OVRO_130 NG 1980.07.26-00:54:46.056 -0.004 mm 0.422 mm 0.416 mm 503. OVRO_130 EG 1980.07.26-00:54:46.056 0.008 mm 0.422 mm 0.416 mm 504. OVRO_130 NG 1980.07.26-08:54:46.056 0.007 mm 0.377 mm 0.371 mm 505. OVRO_130 EG 1980.07.26-08:54:46.056 0.001 mm 0.377 mm 0.371 mm 506. OVRO_130 NG 1980.07.26-16:54:46.056 -0.016 mm 0.377 mm 0.371 mm 507. OVRO_130 EG 1980.07.26-16:54:46.056 -0.015 mm 0.377 mm 0.371 mm 508. OVRO_130 NG 1980.07.27-00:54:46.056 -0.018 mm 0.422 mm 0.416 mm 509. OVRO_130 EG 1980.07.27-00:54:46.056 -0.005 mm 0.422 mm 0.416 mm Atmosphere Constraint Statistics 1. EFLSBERG Input 50.00 ps/h RMS 41.88 ps/h NRMS 0.84 share 0.63 count 70 2. HAYSTACK Input 50.00 ps/h RMS 18.25 ps/h NRMS 0.36 share 0.88 count 70 3. HRAS_085 Input 50.00 ps/h RMS 6.66 ps/h NRMS 0.13 share 0.96 count 70 4. ONSALA60 Input 50.00 ps/h RMS 32.24 ps/h NRMS 0.64 share 0.67 count 70 6. OVRO_130 Input 50.00 ps/h RMS 21.84 ps/h NRMS 0.44 share 0.83 count 70 Overall RMS 27.01 ps/h NRMS 0.54 share 0.80 count 350 Gradient Constraint Statistics 1. EFLSBERG Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.54 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 1. EFLSBERG Input 5.00 D-14 RMS 5.96 D-14 NRMS 1.19 share 0.24 count 24 3. HRAS_085 Input 5.00 D-14 RMS 5.06 D-14 NRMS 1.01 share 0.45 count 24 4. ONSALA60 Input 5.00 D-14 RMS 1.70 D-14 NRMS 0.34 share 0.25 count 24 6. OVRO_130 Input 5.00 D-14 RMS 2.83 D-14 NRMS 0.57 share 0.24 count 24 Overall RMS 4.24 D-14 NRMS 0.85 share 0.29 count 96 510. UT1-TAI 1, 1980.07.26-12:27:00.000 -1.7105 ms/d -196.65 micros/d 69.77 micros/d 68.75 micros/d EOP epoch (TDT) MJD: 44446.519122 NUT epoch (TDT) MJD: 44446.519502 511. Nutation DPSI wrt apriori model 1980.07.26-12:27:15.336 -0.780 mas 826.5 microasec 814.5 microasec Nutation Dx wrt apriori model 1980.07.26-12:27:15.336 -0.314 mas 327.1 microasec 322.3 microasec Nutation DPSI wrt Wahr 1980 model 1980.07.26-12:27:15.336 1.735 mas 826.5 microasec 814.5 microasec 512. Nutation DEPS wrt apriori model 1980.07.26-12:27:15.336 0.902 mas 404.3 microasec 398.4 microasec Nutation Dy wrt apriori model 1980.07.26-12:27:15.336 0.901 mas 405.7 microasec 399.8 microasec Nutation DEPS wrt Wahr 1980 model 1980.07.26-12:27:15.336 -1.756 mas 404.3 microasec 398.4 microasec 513. EFLSBERG ONSALA60 Clock offset -9.151 ps 8.368 ps 8.246 ps 514. EFLSBERG OVRO_130 Clock offset 16.322 ps 8.896 ps 8.766 ps 515. ONSALA60 OVRO_130 Clock offset 8.937 ps 14.471 ps 14.260 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0101 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.07.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) EFLSBERG 7203 to HAYSTACK 7205 5591903616.81 50.51 5591903616.81 50.51 57.51 4.53 -133.26 107.29 EFLSBERG 7203 to ONSALA60 7213 832210510.55 4.75 832210510.55 4.75 32.06 12.90 12.08 22.14 EFLSBERG 7203 to OVRO_130 7207 8203742513.34 18.68 8203742513.34 18.68 26.28 9.77 -141.93 34.98 HAYSTACK 7205 to ONSALA60 7213 5599714512.55 51.06 5599714512.55 51.06 -8.82 5.22 160.38 106.58 HAYSTACK 7205 to OVRO_130 7207 3928881676.24 35.45 3928881676.24 35.45 -99.80 6.29 -96.26 112.91 HRAS_085 7216 to ONSALA60 7213 7940731971.82121.93 7940731971.82121.93 79.90 21.97 134.45 146.60 ONSALA60 7213 to OVRO_130 7207 7914130950.91 18.60 7914130950.91 18.60 -31.79 11.64 -159.13 37.05 NNT_POS: 5 stations participated in NNT_POS constraints: EFLSBERG HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:18 Correlator type: Unknown Experiment code: mert02 Mark-3 db_name: $80JUL27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800727_a Ver 2 mert02 Matrix Condition Number = 4.576479599964176E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- EFLSBERG: CABL_DEL GION | | HAYSTACK: GION | | HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for EFLSBERG is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms EFLSBERG MET 23.5 3.3 975.5 1.7 89.0 9.6 HAYSTACK MET 25.0 3.6 1005.7 0.5 60.0 5.1 HRAS_085 MET 26.0 4.9 844.6 0.9 15.5 0.8 ONSALA60 MET 21.4 3.5 1015.6 3.4 72.4 1.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 26.5 6.1 860.5 0.8 18.5 1.7 Run 26091-1733 1553 Observation Pairs Available Session started on: 2444447.506500 1980.07.27 00:09:21.600 UTC Nominal duration: 76498.560 sec 00 21:14:58.560 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 562 38.671 ps 0.87 1.0113 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 580 Number of potentially good observations with QC 5-9: 580 Number of used observations: 562 ( 96.90%) Number of suppressed observations: 18 ( 3.10%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps EFLSBERG HAYSTACK 102 104 40.225 0.88 19800727_a mert02 1980.07.27-10:46:50.8 BAS_STAT EFLSBERG ONSALA60 91 92 18.388 0.74 19800727_a mert02 1980.07.27-10:46:50.8 BAS_STAT EFLSBERG OVRO_130 113 114 47.452 0.88 19800727_a mert02 1980.07.27-10:46:50.8 BAS_STAT HAYSTACK ONSALA60 63 64 56.632 0.91 19800727_a mert02 1980.07.27-10:46:50.8 BAS_STAT HAYSTACK OVRO_130 93 95 61.052 0.91 19800727_a mert02 1980.07.27-10:46:50.8 BAS_STAT HRAS_085 ONSALA60 40 48 99.312 0.79 19800727_a mert02 1980.07.27-10:46:50.8 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 60 63 75.902 0.93 19800727_a mert02 1980.07.27-10:46:50.8 BAS_STAT Not included: EFLSBERG HRAS_085 0/ 0 deselected baseline 19800727_a mert02 EFLSBERG ONSALA85 0/ 0 deselected baseline 19800727_a mert02 HAYSTACK HRAS_085 0/ 0 deselected baseline 19800727_a mert02 HAYSTACK ONSALA85 0/ 0 deselected baseline 19800727_a mert02 HRAS_085 ONSALA85 0/ 0 deselected baseline 19800727_a mert02 HRAS_085 OVRO_130 0/ 0 deselected baseline 19800727_a mert02 ONSALA85 OVRO_130 0/ 0 deselected baseline 19800727_a mert02 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 28 39.764 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 0234+285 J0237+2848 37 37 81 53.319 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 0235+164 J0238+1636 33 35 75 35.585 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 0552+398 J0555+3948 43 45 142 30.397 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 1219+285 J1221+2813 26 30 96 84.237 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 1354+195 J1357+1919 11 12 44 82.624 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 1502+106 J1504+1029 8 8 26 78.937 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 1642+690 J1642+6856 75 77 205 58.530 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 2134+00 J2136+0041 9 9 28 20.343 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 3C273B J1229+0203 20 21 52 19.039 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 3C345 J1642+3948 76 77 162 27.068 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 3C454.3 J2253+1608 18 18 42 33.351 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 4C39.25 J0927+3902 37 39 103 38.267 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: 4C67.05 J0228+6721 44 45 142 85.037 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: NRAO150 J0359+5057 46 46 142 26.235 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: OK290 J0956+2515 19 21 87 86.837 19800727_a mert02 1980.07.27-10:46:50.880 SRC_STAT: VR422201 J2202+4216 48 48 98 19.185 19800727_a mert02 1980.07.27-10:46:50.880 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.07.27-10:46:18 1. EFLSBERG 7203 EURA X Comp 4033947368.54 mm -64.459 mm 18.080 mm 18.181 mm 2. EFLSBERG 7203 EURA Y Comp 486990449.35 mm -113.653 mm 61.163 mm 61.506 mm 3. EFLSBERG 7203 EURA Z Comp 4900430727.61 mm -109.392 mm 40.768 mm 40.997 mm EFLSBERG 7203 U Comp -133.78 mm -133.784 mm 28.302 mm 24.543 mm EFLSBERG 7203 E Comp -105.11 mm -105.108 mm 59.709 mm 51.777 mm EFLSBERG 7203 N Comp -9.63 mm -9.633 mm 36.927 mm 32.021 mm 4. EFLSBERG CL 0 1980.07.27-00:08:49.416 -8091.753 ns 0.865 ns 0.869 ns 5. EFLSBERG CL 1 1980.07.27-00:08:49.416 -1208.276 D-14 2.217 D-14 2.229 D-14 6. EFLSBERG CL 2 1980.07.27-00:08:49.416 -0.776 D-14/day 2.164 D-14/day 2.176 D-14/day 29. EFLSBERG AT 0 1980.07.27-00:08:49.416 -62.023 ps 14.064 ps 14.143 ps EFLSBERG Atm 1980.07.27-11:09:21.600 Avg: -23.049 ps Rms: 37.995 ps Tot_Rms: 44.440 ps || Nat: 126 Dura: 76500.0 sec Tzd_avg: 8076.9 Tzd_rms: 24.4 Wzd_avg: 731.9 Wzd_rms: 25.8 ps Prs_avg: 97566. Pa Tem_avg: 23.3 C Stm_avg: 4.1 C Stm_rms: 4.9 K Spr_avg: 445. Spr_rms: 37. Pa 96. EFLSBERG NG 1980.07.27-00:07:49.416 -0.003 mm 0.422 mm 0.424 mm 97. EFLSBERG EG 1980.07.27-00:07:49.416 -0.019 mm 0.422 mm 0.425 mm 98. EFLSBERG NG 1980.07.27-08:07:49.416 0.045 mm 0.376 mm 0.378 mm 99. EFLSBERG EG 1980.07.27-08:07:49.416 0.022 mm 0.377 mm 0.379 mm 100. EFLSBERG NG 1980.07.27-16:07:49.416 0.058 mm 0.376 mm 0.378 mm 101. EFLSBERG EG 1980.07.27-16:07:49.416 0.050 mm 0.377 mm 0.379 mm 102. EFLSBERG NG 1980.07.28-00:07:49.416 0.063 mm 0.421 mm 0.424 mm 103. EFLSBERG EG 1980.07.28-00:07:49.416 0.030 mm 0.422 mm 0.425 mm 104. HAYSTACK 7205 NOAM X Comp 1492404749.06 mm 53.056 mm 31.389 mm 31.565 mm 105. HAYSTACK 7205 NOAM Y Comp -4457266288.89 mm 246.108 mm 101.397 mm 101.967 mm 106. HAYSTACK 7205 NOAM Z Comp 4296881743.63 mm -50.371 mm 87.520 mm 88.012 mm HAYSTACK 7205 U Comp -193.44 mm -193.437 mm 133.366 mm 115.649 mm HAYSTACK 7205 E Comp 128.45 mm 128.450 mm 30.963 mm 26.850 mm HAYSTACK 7205 N Comp 109.56 mm 109.564 mm 13.467 mm 11.678 mm 107. HAYSTACK AT 0 1980.07.27-00:08:49.416 254.677 ps 373.724 ps 375.822 ps HAYSTACK Atm 1980.07.27-11:09:21.600 Avg: 217.102 ps Rms: 41.880 ps Tot_Rms: 221.105 ps || Nat: 121 Dura: 76500.0 sec Tzd_avg: 8310.2 Tzd_rms: 37.2 Wzd_avg: 743.2 Wzd_rms: 41.6 ps Prs_avg: 100571. Pa Tem_avg: 25.1 C Stm_avg: -1.0 C Stm_rms: 1.0 K Spr_avg: 578. Spr_rms: 37. Pa 174. HAYSTACK NG 1980.07.27-00:07:49.416 0.013 mm 0.422 mm 0.424 mm 175. HAYSTACK EG 1980.07.27-00:07:49.416 0.033 mm 0.422 mm 0.424 mm 176. HAYSTACK NG 1980.07.27-08:07:49.416 0.004 mm 0.377 mm 0.379 mm 177. HAYSTACK EG 1980.07.27-08:07:49.416 -0.027 mm 0.377 mm 0.379 mm 178. HAYSTACK NG 1980.07.27-16:07:49.416 0.004 mm 0.377 mm 0.379 mm 179. HAYSTACK EG 1980.07.27-16:07:49.416 -0.049 mm 0.376 mm 0.379 mm 180. HAYSTACK NG 1980.07.28-00:07:49.416 -0.003 mm 0.422 mm 0.425 mm 181. HAYSTACK EG 1980.07.28-00:07:49.416 -0.024 mm 0.422 mm 0.425 mm 182. HRAS_085 7216 NOAM X Comp -1324211055.66 mm -38.660 mm 57.554 mm 57.878 mm 183. HRAS_085 7216 NOAM Y Comp -5332023043.13 mm 38.869 mm 232.109 mm 233.413 mm 184. HRAS_085 7216 NOAM Z Comp 3232118460.42 mm 153.418 mm 135.665 mm 136.427 mm HRAS_085 7216 U Comp 53.74 mm 53.741 mm 270.255 mm 234.353 mm HRAS_085 7216 E Comp -46.89 mm -46.889 mm 34.987 mm 30.340 mm HRAS_085 7216 N Comp 146.48 mm 146.478 mm 36.478 mm 31.632 mm 185. HRAS_085 CL 0 1980.07.27-00:08:49.416 -0.072 ns 1.851 ns 1.862 ns 186. HRAS_085 CL 1 1980.07.27-00:08:49.416 -30.245 D-14 2.474 D-14 2.488 D-14 187. HRAS_085 CL 2 1980.07.27-00:08:49.416 3.697 D-14/day 2.465 D-14/day 2.479 D-14/day 210. HRAS_085 AT 0 1980.07.27-00:08:49.416 23.478 ps 574.330 ps 577.555 ps HRAS_085 Atm 1980.07.27-11:09:21.600 Avg: 39.500 ps Rms: 21.647 ps Tot_Rms: 45.042 ps || Nat: 126 Dura: 76500.0 sec Tzd_avg: 6762.5 Tzd_rms: 59.2 Wzd_avg: 389.0 Wzd_rms: 63.9 ps Prs_avg: 84466. Pa Tem_avg: 25.8 C Stm_avg: -0.1 C Stm_rms: 1.7 K Spr_avg: 482. Spr_rms: 50. Pa 277. HRAS_085 NG 1980.07.27-00:07:49.416 0.002 mm 0.422 mm 0.425 mm 278. HRAS_085 EG 1980.07.27-00:07:49.416 -0.002 mm 0.422 mm 0.425 mm 279. HRAS_085 NG 1980.07.27-08:07:49.416 0.004 mm 0.377 mm 0.379 mm 280. HRAS_085 EG 1980.07.27-08:07:49.416 -0.006 mm 0.377 mm 0.379 mm 281. HRAS_085 NG 1980.07.27-16:07:49.416 -0.003 mm 0.377 mm 0.379 mm 282. HRAS_085 EG 1980.07.27-16:07:49.416 0.001 mm 0.377 mm 0.379 mm 283. HRAS_085 NG 1980.07.28-00:07:49.416 -0.003 mm 0.422 mm 0.425 mm 284. HRAS_085 EG 1980.07.28-00:07:49.416 0.001 mm 0.422 mm 0.425 mm 285. ONSALA60 7213 EURA X Comp 3370605923.32 mm -65.681 mm 17.828 mm 17.928 mm 286. ONSALA60 7213 EURA Y Comp 711917428.92 mm -100.078 mm 61.385 mm 61.730 mm 287. ONSALA60 7213 EURA Z Comp 5349830661.68 mm -104.318 mm 41.473 mm 41.706 mm ONSALA60 7213 U Comp -133.65 mm -133.649 mm 29.559 mm 25.632 mm ONSALA60 7213 E Comp -84.34 mm -84.345 mm 58.331 mm 50.582 mm ONSALA60 7213 N Comp 15.35 mm 15.349 mm 39.112 mm 33.917 mm 288. ONSALA60 CL 0 1980.07.27-00:08:49.416 2491.511 ns 0.862 ns 0.867 ns 289. ONSALA60 CL 1 1980.07.27-00:08:49.416 149.389 D-14 2.253 D-14 2.266 D-14 290. ONSALA60 CL 2 1980.07.27-00:08:49.416 -1.072 D-14/day 2.247 D-14/day 2.260 D-14/day 313. ONSALA60 AT 0 1980.07.27-00:08:49.416 -8.747 ps 18.312 ps 18.415 ps ONSALA60 Atm 1980.07.27-11:09:21.600 Avg: -5.165 ps Rms: 26.008 ps Tot_Rms: 26.516 ps || Nat: 108 Dura: 76500.0 sec Tzd_avg: 8324.1 Tzd_rms: 45.2 Wzd_avg: 643.4 Wzd_rms: 43.6 ps Prs_avg: 101570. Pa Tem_avg: 21.3 C Stm_avg: -0.2 C Stm_rms: 1.4 K Spr_avg: -11. Spr_rms: 292. Pa 380. ONSALA60 NG 1980.07.27-00:07:49.416 0.025 mm 0.422 mm 0.424 mm 381. ONSALA60 EG 1980.07.27-00:07:49.416 0.025 mm 0.422 mm 0.425 mm 382. ONSALA60 NG 1980.07.27-08:07:49.416 -0.055 mm 0.376 mm 0.379 mm 383. ONSALA60 EG 1980.07.27-08:07:49.416 -0.017 mm 0.377 mm 0.379 mm 384. ONSALA60 NG 1980.07.27-16:07:49.416 -0.047 mm 0.376 mm 0.378 mm 385. ONSALA60 EG 1980.07.27-16:07:49.416 -0.034 mm 0.377 mm 0.379 mm 386. ONSALA60 NG 1980.07.28-00:07:49.416 -0.060 mm 0.422 mm 0.424 mm 387. ONSALA60 EG 1980.07.28-00:07:49.416 -0.026 mm 0.422 mm 0.425 mm 388. OVRO_130 7207 NOAM X Comp -2409600771.26 mm 115.744 mm 17.539 mm 17.637 mm 389. OVRO_130 7207 NOAM Y Comp -4478349535.25 mm -71.246 mm 64.796 mm 65.159 mm 390. OVRO_130 7207 NOAM Z Comp 3838603298.66 mm 110.663 mm 44.269 mm 44.517 mm OVRO_130 7207 U Comp 73.24 mm 73.244 mm 74.454 mm 64.564 mm OVRO_130 7207 E Comp 135.68 mm 135.684 mm 25.570 mm 22.173 mm OVRO_130 7207 N Comp 83.33 mm 83.330 mm 16.387 mm 14.210 mm 391. OVRO_130 CL 0 1980.07.27-00:08:49.416 2537.457 ns 0.880 ns 0.885 ns 392. OVRO_130 CL 1 1980.07.27-00:08:49.416 9.988 D-14 2.253 D-14 2.266 D-14 393. OVRO_130 CL 2 1980.07.27-00:08:49.416 -0.310 D-14/day 2.225 D-14/day 2.237 D-14/day 416. OVRO_130 AT 0 1980.07.27-00:08:49.416 -2.839 ps 67.466 ps 67.845 ps OVRO_130 Atm 1980.07.27-11:09:21.600 Avg: 75.734 ps Rms: 45.792 ps Tot_Rms: 88.502 ps || Nat: 125 Dura: 76500.0 sec Tzd_avg: 7188.6 Tzd_rms: 54.2 Wzd_avg: 530.0 Wzd_rms: 60.2 ps Prs_avg: 86052. Pa Tem_avg: 26.4 C Stm_avg: -2.7 C Stm_rms: 2.5 K Spr_avg: -1847. Spr_rms: 76. Pa 483. OVRO_130 NG 1980.07.27-00:07:49.416 0.001 mm 0.422 mm 0.425 mm 484. OVRO_130 EG 1980.07.27-00:07:49.416 0.004 mm 0.422 mm 0.425 mm 485. OVRO_130 NG 1980.07.27-08:07:49.416 -0.016 mm 0.377 mm 0.379 mm 486. OVRO_130 EG 1980.07.27-08:07:49.416 0.007 mm 0.377 mm 0.379 mm 487. OVRO_130 NG 1980.07.27-16:07:49.416 -0.018 mm 0.377 mm 0.379 mm 488. OVRO_130 EG 1980.07.27-16:07:49.416 0.016 mm 0.377 mm 0.379 mm 489. OVRO_130 NG 1980.07.28-00:07:49.416 -0.002 mm 0.422 mm 0.425 mm 490. OVRO_130 EG 1980.07.28-00:07:49.416 0.013 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. EFLSBERG Input 50.00 ps/h RMS 28.33 ps/h NRMS 0.57 share 0.64 count 67 2. HAYSTACK Input 50.00 ps/h RMS 14.45 ps/h NRMS 0.29 share 0.91 count 67 3. HRAS_085 Input 50.00 ps/h RMS 6.26 ps/h NRMS 0.13 share 0.98 count 67 4. ONSALA60 Input 50.00 ps/h RMS 20.89 ps/h NRMS 0.42 share 0.72 count 67 6. OVRO_130 Input 50.00 ps/h RMS 21.48 ps/h NRMS 0.43 share 0.85 count 67 Overall RMS 19.74 ps/h NRMS 0.39 share 0.82 count 335 Gradient Constraint Statistics 1. EFLSBERG Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 1. EFLSBERG Input 5.00 D-14 RMS 2.17 D-14 NRMS 0.43 share 0.26 count 23 3. HRAS_085 Input 5.00 D-14 RMS 4.10 D-14 NRMS 0.82 share 0.67 count 23 4. ONSALA60 Input 5.00 D-14 RMS 2.33 D-14 NRMS 0.47 share 0.31 count 23 6. OVRO_130 Input 5.00 D-14 RMS 1.93 D-14 NRMS 0.39 share 0.28 count 23 Overall RMS 2.77 D-14 NRMS 0.55 share 0.38 count 92 491. UT1-TAI 1, 1980.07.27-10:46:00.000 -1.6793 ms/d -81.87 micros/d 59.40 micros/d 59.73 micros/d EOP epoch (TDT) MJD: 44447.448984 NUT epoch (TDT) MJD: 44447.415666 492. Nutation DPSI wrt apriori model 1980.07.27-10:46:18.696 1.706 mas 966.6 microasec 972.1 microasec Nutation Dx wrt apriori model 1980.07.27-10:46:18.696 0.677 mas 382.8 microasec 385.0 microasec Nutation DPSI wrt Wahr 1980 model 1980.07.27-10:46:18.696 4.305 mas 966.6 microasec 972.1 microasec 493. Nutation DEPS wrt apriori model 1980.07.27-10:46:18.696 0.367 mas 396.6 microasec 398.8 microasec Nutation Dy wrt apriori model 1980.07.27-10:46:18.696 0.370 mas 398.2 microasec 400.5 microasec Nutation DEPS wrt Wahr 1980 model 1980.07.27-10:46:18.696 -2.445 mas 396.6 microasec 398.8 microasec 494. EFLSBERG ONSALA60 Clock offset -9.608 ps 10.205 ps 10.262 ps 495. EFLSBERG OVRO_130 Clock offset 30.457 ps 10.055 ps 10.111 ps 496. ONSALA60 OVRO_130 Clock offset 13.165 ps 15.712 ps 15.800 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0661 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.07.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) EFLSBERG 7203 to HAYSTACK 7205 5591903518.15 63.17 5591903518.15 63.17 59.28 4.95 20.44 133.39 EFLSBERG 7203 to ONSALA60 7213 832210502.12 4.77 832210502.12 4.77 11.62 14.62 -4.69 22.00 EFLSBERG 7203 to OVRO_130 7207 8203742516.76 20.69 8203742516.76 20.69 14.59 8.03 -210.21 38.86 HAYSTACK 7205 to ONSALA60 7213 5599714401.96 64.25 5599714401.96 64.25 -2.40 5.76 -16.98 132.87 HAYSTACK 7205 to OVRO_130 7207 3928881611.47 45.62 3928881611.47 45.62 -102.14 6.21 -337.41 146.32 HRAS_085 7216 to ONSALA60 7213 7940732199.44214.15 7940732199.44214.15 153.11 33.28 163.53 264.20 ONSALA60 7213 to OVRO_130 7207 7914130952.55 20.86 7914130952.55 20.86 -30.94 10.46 -204.85 41.24 NNT_POS: 5 stations participated in NNT_POS constraints: EFLSBERG HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:21 Correlator type: Unknown Experiment code: mert03 Mark-3 db_name: $80JUL28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800728_a Ver 2 mert03 Matrix Condition Number = 2.672945114706489E+09 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 A priori clock model applied before estimation: HRAS_085 : 8.258685113000000E-02 sec 0.0 sec/sec Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- EFLSBERG: CABL_DEL GION | | HAYSTACK: GION | | HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | OVRO_130: CABL_DEL GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for EFLSBERG is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms EFLSBERG MET 17.4 0.2 978.6 0.0 80.9 9.2 HAYSTACK MET 24.3 2.9 1007.8 1.2 54.3 23.6 HRAS_085 MET 29.4 5.6 844.2 0.8 16.4 11.5 ONSALA60 MET 17.8 1.2 1016.6 1.3 74.9 0.8 OVRO_130 MET 31.4 4.8 858.1 1.0 13.2 8.1 Run 26091-1733 971 Observation Pairs Available Session started on: 2444448.417600 1980.07.27 22:01:20.640 UTC Nominal duration: 62458.560 sec 00 17:20:58.560 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 692 35.732 ps 0.93 1.0032 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 705 Number of potentially good observations with QC 5-9: 705 Number of used observations: 692 ( 98.16%) Number of suppressed observations: 13 ( 1.84%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps EFLSBERG HAYSTACK 75 77 26.430 0.93 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT EFLSBERG HRAS_085 81 81 48.467 0.97 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT EFLSBERG ONSALA60 92 92 25.283 0.94 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT EFLSBERG OVRO_130 66 67 27.288 0.93 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT HAYSTACK HRAS_085 56 58 53.068 0.94 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT HAYSTACK ONSALA60 50 52 38.843 0.93 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT HAYSTACK OVRO_130 57 59 41.189 0.92 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT HRAS_085 ONSALA60 44 44 91.670 0.97 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT HRAS_085 OVRO_130 102 106 42.335 0.87 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT ONSALA60 OVRO_130 69 69 54.613 0.97 19800728_a mert03 1980.07.28-06:41:49.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0048-097 J0050-0929 3 3 7 110.639 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 0106+013 J0108+0135 7 7 11 46.485 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 0420-014 J0423-0120 4 4 4 29.573 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 0528+134 J0530+1331 3 3 3 21.373 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 2121+053 J2123+0535 8 8 14 30.860 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 2131-021 J2134-0153 0 0 9 0.000 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 2134+00 J2136+0041 1 1 1 6.706 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 2145+067 J2148+0657 11 13 18 82.343 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 2201+315 J2203+3145 17 17 30 86.924 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 3C345 J1642+3948 384 389 417 28.156 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 3C446 J2225-0457 9 9 9 62.061 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: 3C454.3 J2253+1608 15 15 20 21.030 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: CTA26 J0339-0146 4 4 4 20.715 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: NRAO140 J0336+3218 5 5 6 68.207 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: NRAO190 J0442-0017 0 0 3 0.000 19800728_a mert03 1980.07.28-06:41:49.920 SRC_STAT: NRAO512 J1640+3946 221 227 415 63.315 19800728_a mert03 1980.07.28-06:41:49.920 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.07.28-06:41:17 1. EFLSBERG 7203 EURA X Comp 4033947759.13 mm 326.134 mm 277.533 mm 277.982 mm 2. EFLSBERG 7203 EURA Y Comp 486990415.16 mm -147.837 mm 437.128 mm 437.835 mm 3. EFLSBERG 7203 EURA Z Comp 4900437152.12 mm 6315.124 mm 2013.951 mm 2017.205 mm EFLSBERG 7203 U Comp 5069.22 mm 5069.224 mm 1637.842 mm 1529.992 mm EFLSBERG 7203 E Comp -185.86 mm -185.859 mm 456.753 mm 426.677 mm EFLSBERG 7203 N Comp 3778.55 mm 3778.549 mm 1197.060 mm 1118.235 mm 4. EFLSBERG CL 0 1980.07.27-22:00:48.456 -9021.391 ns 6.800 ns 6.811 ns 5. EFLSBERG CL 1 1980.07.27-22:00:48.456 -1216.816 D-14 9.835 D-14 9.851 D-14 6. EFLSBERG CL 2 1980.07.27-22:00:48.456 -30.181 D-14/day 28.313 D-14/day 28.359 D-14/day 25. EFLSBERG AT 0 1980.07.27-22:00:48.456 157.204 ps 254.792 ps 255.204 ps EFLSBERG Atm 1980.07.28-07:01:20.640 Avg: 157.556 ps Rms: 2.431 ps Tot_Rms: 157.575 ps || Nat: 104 Dura: 29040.0 sec Tzd_avg: 8074.8 Tzd_rms: 3.4 Wzd_avg: 708.2 Wzd_rms: 3.9 ps Prs_avg: 97858. Pa Tem_avg: 17.4 C Stm_avg: 0.3 C Stm_rms: 0.9 K Spr_avg: 465. Spr_rms: 17. Pa 80. EFLSBERG NG 1980.07.27-21:59:48.456 0.000 mm 0.423 mm 0.424 mm 81. EFLSBERG EG 1980.07.27-21:59:48.456 -0.000 mm 0.423 mm 0.424 mm 82. EFLSBERG NG 1980.07.28-05:59:48.456 0.000 mm 0.381 mm 0.382 mm 83. EFLSBERG EG 1980.07.28-05:59:48.456 0.000 mm 0.381 mm 0.382 mm 84. EFLSBERG NG 1980.07.28-13:59:48.456 0.000 mm 0.423 mm 0.424 mm 85. EFLSBERG EG 1980.07.28-13:59:48.456 0.000 mm 0.423 mm 0.424 mm 86. HAYSTACK 7205 NOAM X Comp 1492404679.95 mm -16.051 mm 150.288 mm 150.531 mm 87. HAYSTACK 7205 NOAM Y Comp -4457266127.26 mm 407.744 mm 267.345 mm 267.777 mm 88. HAYSTACK 7205 NOAM Z Comp 4296879567.06 mm -2226.939 mm 674.859 mm 675.949 mm HAYSTACK 7205 U Comp -1796.28 mm -1796.281 mm 596.210 mm 556.950 mm HAYSTACK 7205 E Comp 114.24 mm 114.239 mm 130.966 mm 122.342 mm HAYSTACK 7205 N Comp -1373.35 mm -1373.352 mm 420.566 mm 392.872 mm 89. HAYSTACK AT 0 1980.07.27-22:00:48.456 806.895 ps 847.915 ps 849.285 ps HAYSTACK Atm 1980.07.28-07:01:20.640 Avg: 800.508 ps Rms: 8.776 ps Tot_Rms: 800.557 ps || Nat: 128 Dura: 49680.0 sec Tzd_avg: 8201.9 Tzd_rms: 71.5 Wzd_avg: 620.7 Wzd_rms: 84.3 ps Prs_avg: 100785. Pa Tem_avg: 24.0 C Stm_avg: -1.7 C Stm_rms: 0.2 K Spr_avg: 659. Spr_rms: 49. Pa 144. HAYSTACK NG 1980.07.27-21:59:48.456 -0.016 mm 0.423 mm 0.424 mm 145. HAYSTACK EG 1980.07.27-21:59:48.456 0.037 mm 0.423 mm 0.423 mm 146. HAYSTACK NG 1980.07.28-05:59:48.456 -0.009 mm 0.381 mm 0.382 mm 147. HAYSTACK EG 1980.07.28-05:59:48.456 0.026 mm 0.381 mm 0.382 mm 148. HAYSTACK NG 1980.07.28-13:59:48.456 -0.003 mm 0.423 mm 0.424 mm 149. HAYSTACK EG 1980.07.28-13:59:48.456 0.007 mm 0.423 mm 0.424 mm 150. HRAS_085 7216 NOAM X Comp -1324211009.18 mm 7.818 mm 157.238 mm 157.492 mm 151. HRAS_085 7216 NOAM Y Comp -5332023244.95 mm -162.950 mm 220.396 mm 220.752 mm 152. HRAS_085 7216 NOAM Z Comp 3232116678.63 mm -1628.372 mm 675.829 mm 676.921 mm HRAS_085 7216 U Comp -695.36 mm -695.357 mm 436.801 mm 408.038 mm HRAS_085 7216 E Comp 46.86 mm 46.863 mm 178.001 mm 166.280 mm HRAS_085 7216 N Comp -1480.71 mm -1480.706 mm 554.584 mm 518.065 mm 153. HRAS_085 CL 0 1980.07.27-22:00:48.456 -2.074 ns 2.369 ns 2.373 ns 154. HRAS_085 CL 1 1980.07.27-22:00:48.456 -35.233 D-14 3.485 D-14 3.490 D-14 155. HRAS_085 CL 2 1980.07.27-22:00:48.456 13.521 D-14/day 5.064 D-14/day 5.072 D-14/day 174. HRAS_085 AT 0 1980.07.27-22:00:48.456 289.108 ps 347.050 ps 347.610 ps HRAS_085 Atm 1980.07.28-07:01:20.640 Avg: 296.357 ps Rms: 7.652 ps Tot_Rms: 296.456 ps || Nat: 164 Dura: 62460.0 sec Tzd_avg: 6864.7 Tzd_rms: 40.0 Wzd_avg: 489.9 Wzd_rms: 44.5 ps Prs_avg: 84450. Pa Tem_avg: 27.5 C Stm_avg: 2.9 C Stm_rms: 3.1 K Spr_avg: 404. Spr_rms: 81. Pa 229. HRAS_085 NG 1980.07.27-21:59:48.456 0.002 mm 0.423 mm 0.424 mm 230. HRAS_085 EG 1980.07.27-21:59:48.456 -0.003 mm 0.423 mm 0.424 mm 231. HRAS_085 NG 1980.07.28-05:59:48.456 0.004 mm 0.381 mm 0.382 mm 232. HRAS_085 EG 1980.07.28-05:59:48.456 -0.004 mm 0.381 mm 0.382 mm 233. HRAS_085 NG 1980.07.28-13:59:48.456 0.001 mm 0.423 mm 0.424 mm 234. HRAS_085 EG 1980.07.28-13:59:48.456 -0.001 mm 0.423 mm 0.423 mm 235. ONSALA60 7213 EURA X Comp 3370605508.73 mm -480.274 mm 379.132 mm 379.745 mm 236. ONSALA60 7213 EURA Y Comp 711917677.80 mm 148.801 mm 263.394 mm 263.820 mm 237. ONSALA60 7213 EURA Z Comp 5349829988.38 mm -777.623 mm 1062.277 mm 1063.993 mm ONSALA60 7213 U Comp -891.71 mm -891.712 mm 1024.926 mm 957.436 mm ONSALA60 7213 E Comp 244.84 mm 244.840 mm 291.137 mm 271.966 mm ONSALA60 7213 N Comp -49.06 mm -49.057 mm 454.220 mm 424.310 mm 238. ONSALA60 CL 0 1980.07.27-22:00:48.456 2412.656 ns 4.227 ns 4.234 ns 239. ONSALA60 CL 1 1980.07.27-22:00:48.456 143.136 D-14 7.646 D-14 7.659 D-14 240. ONSALA60 CL 2 1980.07.27-22:00:48.456 -28.966 D-14/day 20.210 D-14/day 20.242 D-14/day 259. ONSALA60 AT 0 1980.07.27-22:00:48.456 894.414 ps 543.432 ps 544.310 ps ONSALA60 Atm 1980.07.28-07:01:20.640 Avg: 893.928 ps Rms: 3.426 ps Tot_Rms: 893.935 ps || Nat: 111 Dura: 32340.0 sec Tzd_avg: 8438.8 Tzd_rms: 22.7 Wzd_avg: 739.9 Wzd_rms: 22.5 ps Prs_avg: 101663. Pa Tem_avg: 17.9 C Stm_avg: -0.5 C Stm_rms: 0.3 K Spr_avg: -199. Spr_rms: 176. Pa 314. ONSALA60 NG 1980.07.27-21:59:48.456 -0.000 mm 0.423 mm 0.424 mm 315. ONSALA60 EG 1980.07.27-21:59:48.456 0.000 mm 0.423 mm 0.424 mm 316. ONSALA60 NG 1980.07.28-05:59:48.456 -0.000 mm 0.381 mm 0.382 mm 317. ONSALA60 EG 1980.07.28-05:59:48.456 -0.000 mm 0.381 mm 0.382 mm 318. ONSALA60 NG 1980.07.28-13:59:48.456 -0.000 mm 0.423 mm 0.424 mm 319. ONSALA60 EG 1980.07.28-13:59:48.456 -0.000 mm 0.423 mm 0.424 mm 320. OVRO_130 7207 NOAM X Comp -2409600724.63 mm 162.374 mm 161.213 mm 161.474 mm 321. OVRO_130 7207 NOAM Y Comp -4478349709.76 mm -245.759 mm 205.815 mm 206.148 mm 322. OVRO_130 7207 NOAM Z Comp 3838601505.81 mm -1682.190 mm 699.747 mm 700.877 mm OVRO_130 7207 U Comp -906.73 mm -906.729 mm 478.653 mm 447.134 mm OVRO_130 7207 E Comp 259.44 mm 259.436 mm 207.150 mm 193.509 mm OVRO_130 7207 N Comp -1423.75 mm -1423.748 mm 534.767 mm 499.553 mm 323. OVRO_130 CL 0 1980.07.27-22:00:48.456 2546.284 ns 2.287 ns 2.290 ns 324. OVRO_130 CL 1 1980.07.27-22:00:48.456 10.363 D-14 3.844 D-14 3.850 D-14 325. OVRO_130 CL 2 1980.07.27-22:00:48.456 2.954 D-14/day 6.082 D-14/day 6.091 D-14/day 344. OVRO_130 AT 0 1980.07.27-22:00:48.456 312.450 ps 167.351 ps 167.621 ps OVRO_130 Atm 1980.07.28-07:01:20.640 Avg: 303.114 ps Rms: 11.900 ps Tot_Rms: 303.347 ps || Nat: 148 Dura: 62460.0 sec Tzd_avg: 7244.8 Tzd_rms: 27.2 Wzd_avg: 606.0 Wzd_rms: 26.6 ps Prs_avg: 85835. Pa Tem_avg: 29.6 C Stm_avg: -1.9 C Stm_rms: 2.3 K Spr_avg: -1844. Spr_rms: 41. Pa 399. OVRO_130 NG 1980.07.27-21:59:48.456 0.002 mm 0.423 mm 0.424 mm 400. OVRO_130 EG 1980.07.27-21:59:48.456 -0.002 mm 0.423 mm 0.424 mm 401. OVRO_130 NG 1980.07.28-05:59:48.456 0.005 mm 0.381 mm 0.382 mm 402. OVRO_130 EG 1980.07.28-05:59:48.456 -0.001 mm 0.381 mm 0.382 mm 403. OVRO_130 NG 1980.07.28-13:59:48.456 0.003 mm 0.423 mm 0.424 mm 404. OVRO_130 EG 1980.07.28-13:59:48.456 -0.000 mm 0.423 mm 0.424 mm Atmosphere Constraint Statistics 1. EFLSBERG Input 50.00 ps/h RMS 9.35 ps/h NRMS 0.19 share 0.85 count 55 2. HAYSTACK Input 50.00 ps/h RMS 23.89 ps/h NRMS 0.48 share 0.91 count 55 3. HRAS_085 Input 50.00 ps/h RMS 17.05 ps/h NRMS 0.34 share 0.91 count 55 4. ONSALA60 Input 50.00 ps/h RMS 14.31 ps/h NRMS 0.29 share 0.87 count 55 5. OVRO_130 Input 50.00 ps/h RMS 21.53 ps/h NRMS 0.43 share 0.88 count 55 Overall RMS 17.98 ps/h NRMS 0.36 share 0.88 count 275 Gradient Constraint Statistics 1. EFLSBERG Input 2.00 mm/d RMS 0.00 mm/d NRMS 0.00 share 0.57 count 6 2. HAYSTACK Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.57 count 6 3. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.57 count 6 4. ONSALA60 Input 2.00 mm/d RMS 0.00 mm/d NRMS 0.00 share 0.57 count 6 5. OVRO_130 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.57 count 6 Overall RMS 0.02 mm/d NRMS 0.01 share 0.57 count 30 Clock Constraint Statistics 1. EFLSBERG Input 5.00 D-14 RMS 0.88 D-14 NRMS 0.18 share 0.77 count 19 3. HRAS_085 Input 5.00 D-14 RMS 2.71 D-14 NRMS 0.54 share 0.45 count 19 4. ONSALA60 Input 5.00 D-14 RMS 1.14 D-14 NRMS 0.23 share 0.77 count 19 5. OVRO_130 Input 5.00 D-14 RMS 1.84 D-14 NRMS 0.37 share 0.46 count 19 Overall RMS 1.79 D-14 NRMS 0.36 share 0.61 count 76 405. UT1-TAI 1, 1980.07.28-06:41:00.000 2.7180 ms/d 4438.72 micros/d 2170.19 micros/d 2173.70 micros/d EOP epoch (TDT) MJD: 44448.278845 NUT epoch (TDT) MJD: 44448.079773 406. Nutation DPSI wrt apriori model 1980.07.28-06:41:17.736 -14.521 mas 10389.4 microasec 10406.2 microasec Nutation Dx wrt apriori model 1980.07.28-06:41:17.736 -5.752 mas 4105.1 microasec 4111.7 microasec Nutation DPSI wrt Wahr 1980 model 1980.07.28-06:41:17.736 -11.899 mas 10389.4 microasec 10406.2 microasec 407. Nutation DEPS wrt apriori model 1980.07.28-06:41:17.736 -5.758 mas 6449.3 microasec 6459.7 microasec Nutation Dy wrt apriori model 1980.07.28-06:41:17.736 -5.783 mas 6467.2 microasec 6477.7 microasec Nutation DEPS wrt Wahr 1980 model 1980.07.28-06:41:17.736 -8.559 mas 6449.3 microasec 6459.7 microasec 408. EFLSBERG HRAS_085 Clock offset -29.656 ps 10.202 ps 10.219 ps 409. EFLSBERG ONSALA60 Clock offset -17.546 ps 7.730 ps 7.743 ps 410. EFLSBERG OVRO_130 Clock offset 34.736 ps 8.452 ps 8.466 ps 411. HRAS_085 ONSALA60 Clock offset -7.824 ps 17.510 ps 17.538 ps 412. HRAS_085 OVRO_130 Clock offset 44.269 ps 11.913 ps 11.932 ps 413. ONSALA60 OVRO_130 Clock offset 56.313 ps 11.467 ps 11.486 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0306 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.07.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) EFLSBERG 7203 to HAYSTACK 7205 5591904482.29355.17 5591904482.29355.17 -4565.451261.12 7225.342355.56 EFLSBERG 7203 to HRAS_085 7216 8084186945.23499.33 8084186945.22499.33 -3949.961084.39 6643.392426.09 EFLSBERG 7203 to ONSALA60 7213 832207387.57****** 832207387.55****** 1800.591003.15 6176.462172.65 EFLSBERG 7203 to OVRO_130 7207 8203743935.45379.63 8203743935.45379.63 -3349.30 807.38 7161.002570.18 HAYSTACK 7205 to HRAS_085 7216 3135640917.55107.71 3135640917.55107.71 108.09 90.11 -817.66 477.45 HAYSTACK 7205 to ONSALA60 7213 5599714649.29460.14 5599714649.29460.14 -1065.83 527.11 -1110.021342.28 HAYSTACK 7205 to OVRO_130 7207 3928881453.57142.74 3928881453.57142.74 -58.76 101.81 -834.22 464.47 HRAS_085 7216 to ONSALA60 7213 7940732565.50606.34 7940732565.50606.34 -888.66 497.34 -488.511321.71 HRAS_085 7216 to OVRO_130 7207 1508195340.36 35.29 1508195340.36 35.29 34.57 42.44 11.79 172.16 ONSALA60 7213 to OVRO_130 7207 7914131107.14557.97 7914131107.14557.97 -999.19 446.80 622.181378.86 NNT_POS: 5 stations participated in NNT_POS constraints: EFLSBERG HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:24 Correlator type: Unknown Experiment code: mert04 Mark-3 db_name: $80SEP26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800926_a Ver 2 mert04 Matrix Condition Number = 1.786789352913474E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- EFLSBERG: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for EFLSBERG is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms EFLSBERG MET 14.1 4.7 979.2 0.8 94.0 1.6 HAYSTACK MET 9.5 2.6 1005.1 2.6 53.3 14.0 HRAS_085 MET 12.9 0.7 846.3 0.7 93.8 0.2 ONSALA60 MET 9.4 3.3 1006.5 0.5 76.3 13.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 14.1 8.1 877.6 1.0 19.5 6.4 Run 26091-1733 1425 Observation Pairs Available Session started on: 2444509.394700 1980.09.26 21:28:22.080 UTC Nominal duration: 90417.600 sec 01 01:06:57.600 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 575 43.235 ps 0.86 0.9987 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 617 Number of potentially good observations with QC 5-9: 617 Number of used observations: 575 ( 93.19%) Number of suppressed observations: 42 ( 6.81%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps EFLSBERG HAYSTACK 49 65 94.252 0.95 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT EFLSBERG HRAS_085 54 55 116.167 0.94 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT EFLSBERG ONSALA60 82 84 19.405 0.72 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT EFLSBERG OVRO_130 37 45 43.826 0.81 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT HAYSTACK HRAS_085 49 50 53.014 0.85 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT HAYSTACK ONSALA60 72 73 44.165 0.83 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT HAYSTACK OVRO_130 43 48 50.464 0.84 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT HRAS_085 ONSALA60 54 56 82.949 0.91 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT HRAS_085 OVRO_130 79 83 40.039 0.83 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 56 58 124.672 0.95 19800926_a mert04 1980.09.27-10:01:50.8 BAS_STAT Not included: EFLSBERG ONSALA85 0/ 0 deselected baseline 19800926_a mert04 HAYSTACK ONSALA85 0/ 0 deselected baseline 19800926_a mert04 HRAS_085 ONSALA85 0/ 0 deselected baseline 19800926_a mert04 ONSALA85 OVRO_130 0/ 0 deselected baseline 19800926_a mert04 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 19 36 30.551 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 0235+164 J0238+1636 38 39 79 50.424 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 0552+398 J0555+3948 55 57 133 37.586 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 1642+690 J1642+6856 65 73 170 74.989 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 2134+00 J2136+0041 14 18 37 31.801 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 3C273B J1229+0203 7 12 52 71.905 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 3C345 J1642+3948 69 70 155 32.208 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 3C454.3 J2253+1608 28 29 65 33.089 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 4C39.25 J0927+3902 58 61 133 52.743 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: 4C67.05 J0228+6721 34 34 89 93.929 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: NRAO150 J0359+5057 61 63 150 29.573 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: OJ287 J0854+2006 38 44 96 81.496 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: OQ208 J1407+2827 28 35 95 49.031 19800926_a mert04 1980.09.27-10:01:50.880 SRC_STAT: VR422201 J2202+4216 62 63 135 28.169 19800926_a mert04 1980.09.27-10:01:50.880 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.09.27-10:01:18 1. EFLSBERG 7203 EURA X Comp 4033947298.36 mm -134.640 mm 11.003 mm 10.996 mm 2. EFLSBERG 7203 EURA Y Comp 486990491.71 mm -71.291 mm 15.284 mm 15.274 mm 3. EFLSBERG 7203 EURA Z Comp 4900430663.13 mm -173.866 mm 17.660 mm 17.649 mm EFLSBERG 7203 U Comp -224.62 mm -224.619 mm 17.604 mm 15.097 mm EFLSBERG 7203 E Comp -54.64 mm -54.640 mm 14.969 mm 12.837 mm EFLSBERG 7203 N Comp -0.76 mm -0.759 mm 11.513 mm 9.874 mm 4. EFLSBERG CL 0 1980.09.26-21:27:49.896 -5469.340 ns 0.091 ns 0.091 ns 5. EFLSBERG CL 1 1980.09.26-21:27:49.896 46.354 D-14 2.025 D-14 2.024 D-14 6. EFLSBERG CL 2 1980.09.26-21:27:49.896 -2.804 D-14/day 1.695 D-14/day 1.694 D-14/day 33. EFLSBERG AT 0 1980.09.26-21:27:49.896 31.185 ps 40.902 ps 40.876 ps EFLSBERG Atm 1980.09.27-10:28:22.080 Avg: 66.836 ps Rms: 36.092 ps Tot_Rms: 75.958 ps || Nat: 124 Dura: 90420.0 sec Tzd_avg: 7768.6 Tzd_rms: 67.3 Wzd_avg: 378.3 Wzd_rms: 79.9 ps Prs_avg: 97919. Pa Tem_avg: 14.2 C Stm_avg: 0.6 C Stm_rms: 1.7 K Spr_avg: 360. Spr_rms: 96. Pa 112. EFLSBERG NG 1980.09.26-21:26:49.896 0.023 mm 0.421 mm 0.421 mm 113. EFLSBERG EG 1980.09.26-21:26:49.896 -0.059 mm 0.421 mm 0.421 mm 114. EFLSBERG NG 1980.09.27-05:26:49.896 0.002 mm 0.376 mm 0.376 mm 115. EFLSBERG EG 1980.09.27-05:26:49.896 -0.018 mm 0.376 mm 0.376 mm 116. EFLSBERG NG 1980.09.27-13:26:49.896 0.000 mm 0.376 mm 0.376 mm 117. EFLSBERG EG 1980.09.27-13:26:49.896 0.054 mm 0.376 mm 0.376 mm 118. EFLSBERG NG 1980.09.27-21:26:49.896 -0.011 mm 0.421 mm 0.421 mm 119. EFLSBERG EG 1980.09.27-21:26:49.896 0.089 mm 0.421 mm 0.420 mm 120. HAYSTACK 7205 NOAM X Comp 1492404774.70 mm 78.701 mm 9.595 mm 9.589 mm 121. HAYSTACK 7205 NOAM Y Comp -4457266318.24 mm 216.764 mm 20.918 mm 20.904 mm 122. HAYSTACK 7205 NOAM Z Comp 4296881787.68 mm -6.319 mm 18.670 mm 18.658 mm HAYSTACK 7205 U Comp -137.14 mm -137.139 mm 27.001 mm 23.156 mm HAYSTACK 7205 E Comp 143.45 mm 143.451 mm 10.666 mm 9.147 mm HAYSTACK 7205 N Comp 117.62 mm 117.621 mm 5.949 mm 5.102 mm 123. HAYSTACK CL 0 1980.09.26-21:27:49.896 -18352.189 ns 0.346 ns 0.346 ns 124. HAYSTACK CL 1 1980.09.26-21:27:49.896 -99.892 D-14 2.505 D-14 2.503 D-14 125. HAYSTACK CL 2 1980.09.26-21:27:49.896 2.386 D-14/day 2.092 D-14/day 2.090 D-14/day 152. HAYSTACK AT 0 1980.09.26-21:27:49.896 54.956 ps 48.107 ps 48.076 ps HAYSTACK Atm 1980.09.27-10:28:22.080 Avg: 36.485 ps Rms: 25.524 ps Tot_Rms: 44.527 ps || Nat: 140 Dura: 83280.0 sec Tzd_avg: 7745.5 Tzd_rms: 35.9 Wzd_avg: 164.6 Wzd_rms: 55.5 ps Prs_avg: 100508. Pa Tem_avg: 9.5 C Stm_avg: 0.3 C Stm_rms: 0.9 K Spr_avg: 594. Spr_rms: 35. Pa 231. HAYSTACK NG 1980.09.26-21:26:49.896 0.025 mm 0.422 mm 0.422 mm 232. HAYSTACK EG 1980.09.26-21:26:49.896 -0.038 mm 0.422 mm 0.422 mm 233. HAYSTACK NG 1980.09.27-05:26:49.896 0.033 mm 0.377 mm 0.377 mm 234. HAYSTACK EG 1980.09.27-05:26:49.896 -0.023 mm 0.377 mm 0.376 mm 235. HAYSTACK NG 1980.09.27-13:26:49.896 -0.021 mm 0.377 mm 0.377 mm 236. HAYSTACK EG 1980.09.27-13:26:49.896 -0.007 mm 0.377 mm 0.377 mm 237. HAYSTACK NG 1980.09.27-21:26:49.896 -0.046 mm 0.422 mm 0.422 mm 238. HAYSTACK EG 1980.09.27-21:26:49.896 0.013 mm 0.422 mm 0.422 mm 239. HRAS_085 7216 NOAM X Comp -1324210960.72 mm 56.281 mm 12.037 mm 12.029 mm 240. HRAS_085 7216 NOAM Y Comp -5332023096.82 mm -14.820 mm 43.830 mm 43.802 mm 241. HRAS_085 7216 NOAM Z Comp 3232118544.44 mm 237.443 mm 27.648 mm 27.631 mm HRAS_085 7216 U Comp 121.70 mm 121.703 mm 51.961 mm 44.560 mm HRAS_085 7216 E Comp 58.19 mm 58.193 mm 7.155 mm 6.136 mm HRAS_085 7216 N Comp 203.88 mm 203.883 mm 8.907 mm 7.638 mm 242. HRAS_085 CL 0 1980.09.26-21:27:49.896 -15820.068 ns 0.397 ns 0.397 ns 243. HRAS_085 CL 1 1980.09.26-21:27:49.896 72.417 D-14 2.206 D-14 2.204 D-14 244. HRAS_085 CL 2 1980.09.26-21:27:49.896 3.358 D-14/day 1.809 D-14/day 1.807 D-14/day 271. HRAS_085 AT 0 1980.09.26-21:27:49.896 25.826 ps 131.609 ps 131.524 ps HRAS_085 Atm 1980.09.27-10:28:22.080 Avg: 48.991 ps Rms: 61.243 ps Tot_Rms: 78.427 ps || Nat: 111 Dura: 88920.0 sec Tzd_avg: 7124.6 Tzd_rms: 28.4 Wzd_avg: 754.9 Wzd_rms: 27.1 ps Prs_avg: 84636. Pa Tem_avg: 12.9 C Stm_avg: -2.9 C Stm_rms: 0.4 K Spr_avg: 542. Spr_rms: 44. Pa 350. HRAS_085 NG 1980.09.26-21:26:49.896 -0.004 mm 0.422 mm 0.422 mm 351. HRAS_085 EG 1980.09.26-21:26:49.896 0.015 mm 0.422 mm 0.422 mm 352. HRAS_085 NG 1980.09.27-05:26:49.896 0.014 mm 0.377 mm 0.376 mm 353. HRAS_085 EG 1980.09.27-05:26:49.896 0.014 mm 0.377 mm 0.376 mm 354. HRAS_085 NG 1980.09.27-13:26:49.896 -0.000 mm 0.377 mm 0.377 mm 355. HRAS_085 EG 1980.09.27-13:26:49.896 -0.003 mm 0.377 mm 0.376 mm 356. HRAS_085 NG 1980.09.27-21:26:49.896 -0.019 mm 0.422 mm 0.422 mm 357. HRAS_085 EG 1980.09.27-21:26:49.896 0.006 mm 0.422 mm 0.422 mm 358. ONSALA60 7213 EURA X Comp 3370605844.04 mm -144.964 mm 9.660 mm 9.653 mm 359. ONSALA60 7213 EURA Y Comp 711917492.26 mm -36.742 mm 15.191 mm 15.181 mm 360. ONSALA60 7213 EURA Z Comp 5349830575.62 mm -190.377 mm 18.342 mm 18.330 mm ONSALA60 7213 U Comp -240.89 mm -240.892 mm 17.687 mm 15.168 mm ONSALA60 7213 E Comp -5.99 mm -5.991 mm 14.606 mm 12.526 mm ONSALA60 7213 N Comp 23.30 mm 23.298 mm 11.591 mm 9.940 mm 361. ONSALA60 AT 0 1980.09.26-21:27:49.896 -20.035 ps 39.972 ps 39.946 ps ONSALA60 Atm 1980.09.27-10:28:22.080 Avg: 16.860 ps Rms: 30.669 ps Tot_Rms: 34.998 ps || Nat: 136 Dura: 90420.0 sec Tzd_avg: 7925.9 Tzd_rms: 968.6 Wzd_avg: 318.3 Wzd_rms: 44.3 ps Prs_avg: 100652. Pa Tem_avg: 9.5 C Stm_avg: -3.5 C Stm_rms: 2.4 K Spr_avg: -1317. Spr_rms: 61. Pa 440. ONSALA60 NG 1980.09.26-21:26:49.896 -0.019 mm 0.420 mm 0.420 mm 441. ONSALA60 EG 1980.09.26-21:26:49.896 0.060 mm 0.421 mm 0.420 mm 442. ONSALA60 NG 1980.09.27-05:26:49.896 0.014 mm 0.375 mm 0.375 mm 443. ONSALA60 EG 1980.09.27-05:26:49.896 0.012 mm 0.375 mm 0.375 mm 444. ONSALA60 NG 1980.09.27-13:26:49.896 0.026 mm 0.376 mm 0.376 mm 445. ONSALA60 EG 1980.09.27-13:26:49.896 -0.045 mm 0.376 mm 0.376 mm 446. ONSALA60 NG 1980.09.27-21:26:49.896 0.001 mm 0.421 mm 0.421 mm 447. ONSALA60 EG 1980.09.27-21:26:49.896 -0.066 mm 0.421 mm 0.421 mm 448. OVRO_130 7207 NOAM X Comp -2409600742.38 mm 144.622 mm 10.096 mm 10.090 mm 449. OVRO_130 7207 NOAM Y Comp -4478349557.91 mm -93.911 mm 19.593 mm 19.581 mm 450. OVRO_130 7207 NOAM Z Comp 3838603321.12 mm 133.119 mm 19.504 mm 19.492 mm OVRO_130 7207 U Comp 91.83 mm 91.828 mm 26.599 mm 22.811 mm OVRO_130 7207 E Comp 171.85 mm 171.854 mm 8.122 mm 6.966 mm OVRO_130 7207 N Comp 97.41 mm 97.413 mm 9.631 mm 8.259 mm 451. OVRO_130 CL 0 1980.09.26-21:27:49.896 -10133.413 ns 0.289 ns 0.289 ns 452. OVRO_130 CL 1 1980.09.26-21:27:49.896 -162.558 D-14 2.245 D-14 2.243 D-14 453. OVRO_130 CL 2 1980.09.26-21:27:49.896 0.361 D-14/day 1.830 D-14/day 1.829 D-14/day 480. OVRO_130 AT 0 1980.09.26-21:27:49.896 1.386 ps 83.834 ps 83.780 ps OVRO_130 Atm 1980.09.27-10:28:22.080 Avg: 67.367 ps Rms: 54.789 ps Tot_Rms: 86.834 ps || Nat: 118 Dura: 89460.0 sec Tzd_avg: 6893.0 Tzd_rms: 46.0 Wzd_avg: 231.5 Wzd_rms: 48.6 ps Prs_avg: 87761. Pa Tem_avg: 14.1 C Stm_avg: -9.5 C Stm_rms: 5.5 K Spr_avg: -20. Spr_rms: 95. Pa 559. OVRO_130 NG 1980.09.26-21:26:49.896 -0.005 mm 0.422 mm 0.422 mm 560. OVRO_130 EG 1980.09.26-21:26:49.896 0.006 mm 0.422 mm 0.422 mm 561. OVRO_130 NG 1980.09.27-05:26:49.896 -0.018 mm 0.377 mm 0.376 mm 562. OVRO_130 EG 1980.09.27-05:26:49.896 -0.006 mm 0.377 mm 0.376 mm 563. OVRO_130 NG 1980.09.27-13:26:49.896 0.020 mm 0.377 mm 0.377 mm 564. OVRO_130 EG 1980.09.27-13:26:49.896 0.017 mm 0.377 mm 0.376 mm 565. OVRO_130 NG 1980.09.27-21:26:49.896 0.027 mm 0.422 mm 0.422 mm 566. OVRO_130 EG 1980.09.27-21:26:49.896 -0.023 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. EFLSBERG Input 50.00 ps/h RMS 21.73 ps/h NRMS 0.43 share 0.81 count 79 2. HAYSTACK Input 50.00 ps/h RMS 17.80 ps/h NRMS 0.36 share 0.89 count 79 3. HRAS_085 Input 50.00 ps/h RMS 14.86 ps/h NRMS 0.30 share 0.92 count 79 4. ONSALA60 Input 50.00 ps/h RMS 21.65 ps/h NRMS 0.43 share 0.76 count 79 6. OVRO_130 Input 50.00 ps/h RMS 14.64 ps/h NRMS 0.29 share 0.90 count 79 Overall RMS 18.40 ps/h NRMS 0.37 share 0.86 count 395 Gradient Constraint Statistics 1. EFLSBERG Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.53 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.04 share 0.53 count 40 Clock Constraint Statistics 1. EFLSBERG Input 5.00 D-14 RMS 2.33 D-14 NRMS 0.47 share 0.26 count 27 2. HAYSTACK Input 5.00 D-14 RMS 1.94 D-14 NRMS 0.39 share 0.36 count 27 3. HRAS_085 Input 5.00 D-14 RMS 2.31 D-14 NRMS 0.46 share 0.33 count 27 6. OVRO_130 Input 5.00 D-14 RMS 2.72 D-14 NRMS 0.54 share 0.40 count 27 Overall RMS 2.34 D-14 NRMS 0.47 share 0.34 count 108 567. UT1-TAI 1, 1980.09.27-10:01:00.000 -2.7795 ms/d -85.31 micros/d 77.79 micros/d 77.74 micros/d EOP epoch (TDT) MJD: 44509.417734 NUT epoch (TDT) MJD: 44509.387449 568. Nutation DPSI wrt apriori model 1980.09.27-10:01:18.696 0.558 mas 1039.2 microasec 1038.5 microasec Nutation Dx wrt apriori model 1980.09.27-10:01:18.696 0.227 mas 411.4 microasec 411.1 microasec Nutation DPSI wrt Wahr 1980 model 1980.09.27-10:01:18.696 0.756 mas 1039.2 microasec 1038.5 microasec 569. Nutation DEPS wrt apriori model 1980.09.27-10:01:18.696 -1.189 mas 476.9 microasec 476.6 microasec Nutation Dy wrt apriori model 1980.09.27-10:01:18.696 -1.188 mas 478.7 microasec 478.4 microasec Nutation DEPS wrt Wahr 1980 model 1980.09.27-10:01:18.696 -3.029 mas 476.9 microasec 476.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0520 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.09.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) EFLSBERG 7203 to HAYSTACK 7205 5591903526.29 13.26 5591903526.29 13.26 28.58 7.06 -137.97 33.60 EFLSBERG 7203 to HRAS_085 7216 8084184832.02 44.57 8084184832.02 44.57 110.43 7.29 -364.80 57.92 EFLSBERG 7203 to ONSALA60 7213 832210503.39 3.67 832210503.39 3.67 35.22 3.49 16.05 16.90 EFLSBERG 7203 to OVRO_130 7207 8203742467.06 24.49 8203742467.06 24.49 -52.10 8.34 -331.38 38.79 HAYSTACK 7205 to HRAS_085 7216 3135640985.01 19.26 3135640985.01 19.26 58.58 7.53 -331.84 71.21 HAYSTACK 7205 to ONSALA60 7213 5599714427.86 12.95 5599714427.86 12.95 -44.02 6.99 167.75 33.29 HAYSTACK 7205 to OVRO_130 7207 3928881610.74 13.93 3928881610.74 13.93 -113.73 8.40 -317.75 43.02 HRAS_085 7216 to ONSALA60 7213 7940732140.14 43.52 7940732140.14 43.52 37.33 7.28 400.29 58.71 HRAS_085 7216 to OVRO_130 7207 1508195369.81 10.71 1508195369.81 10.71 -42.56 6.36 23.31 60.11 ONSALA60 7213 to OVRO_130 7207 7914130909.23 23.21 7914130909.23 23.21 -123.56 8.91 -347.73 39.46 NNT_POS: 5 stations participated in NNT_POS constraints: EFLSBERG HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:28 Correlator type: Unknown Experiment code: mert05 Mark-3 db_name: $80SEP27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800927_a Ver 2 mert05 Matrix Condition Number = 2.853529650368946E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- EFLSBERG: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for EFLSBERG is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms EFLSBERG MET 17.8 4.3 980.7 1.6 92.9 1.1 HAYSTACK MET 10.5 5.0 1009.5 0.6 49.6 6.8 HRAS_085 MET 12.6 0.6 844.2 0.9 95.7 3.4 ONSALA60 MET 10.6 3.0 1009.3 0.8 96.7 4.9 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 17.2 8.7 875.6 1.3 5.6 1.1 Run 26091-1733 1282 Observation Pairs Available Session started on: 2444510.487000 1980.09.27 23:41:16.800 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 414 24.843 ps 0.81 0.9884 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 542 Number of potentially good observations with QC 5-9: 542 Number of used observations: 414 ( 76.38%) Number of suppressed observations: 128 ( 23.62%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps EFLSBERG HRAS_085 18 77 56.083 0.85 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT EFLSBERG ONSALA60 77 81 10.677 0.66 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT EFLSBERG OVRO_130 21 68 63.834 0.86 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT HAYSTACK HRAS_085 38 41 53.893 0.85 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT HAYSTACK ONSALA60 48 48 39.789 0.78 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT HAYSTACK OVRO_130 36 44 12.778 0.60 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT HRAS_085 ONSALA60 44 46 92.161 0.91 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT HRAS_085 OVRO_130 77 79 54.769 0.87 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 55 58 86.553 0.92 19800927_a mert05 1980.09.28-11:06:17.2 BAS_STAT Not included: EFLSBERG HAYSTACK 0/ 0 deselected baseline 19800927_a mert05 EFLSBERG ONSALA85 0/ 0 deselected baseline 19800927_a mert05 HAYSTACK ONSALA85 0/ 0 deselected baseline 19800927_a mert05 HRAS_085 ONSALA85 0/ 0 deselected baseline 19800927_a mert05 ONSALA85 OVRO_130 0/ 0 deselected baseline 19800927_a mert05 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 12 33 20.479 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 0235+164 J0238+1636 28 37 77 37.704 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 0552+398 J0555+3948 52 61 138 34.677 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 1642+690 J1642+6856 36 59 122 45.262 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 2134+00 J2136+0041 6 9 21 17.584 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 3C273B J1229+0203 0 9 51 0.000 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 3C345 J1642+3948 33 44 101 19.411 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 3C454.3 J2253+1608 19 25 62 16.804 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 4C39.25 J0927+3902 56 63 130 25.974 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: 4C67.05 J0228+6721 21 33 87 98.979 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: NRAO150 J0359+5057 45 53 149 16.329 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: OJ287 J0854+2006 47 51 105 43.433 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: OQ208 J1407+2827 32 42 90 40.417 19800927_a mert05 1980.09.28-11:06:17.280 SRC_STAT: VR422201 J2202+4216 30 44 116 10.989 19800927_a mert05 1980.09.28-11:06:17.280 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.09.28-11:05:45 1. EFLSBERG 7203 EURA X Comp 4033947368.11 mm -64.890 mm 12.734 mm 12.660 mm 2. EFLSBERG 7203 EURA Y Comp 486990456.66 mm -106.339 mm 20.603 mm 20.483 mm 3. EFLSBERG 7203 EURA Z Comp 4900430680.80 mm -156.201 mm 22.238 mm 22.108 mm EFLSBERG 7203 U Comp -169.63 mm -169.630 mm 21.176 mm 17.195 mm EFLSBERG 7203 E Comp -97.80 mm -97.795 mm 20.429 mm 16.589 mm EFLSBERG 7203 N Comp -39.74 mm -39.739 mm 14.676 mm 11.917 mm 4. EFLSBERG CL 0 1980.09.27-23:40:44.616 -5428.313 ns 0.094 ns 0.094 ns 5. EFLSBERG CL 1 1980.09.27-23:40:44.616 44.160 D-14 2.235 D-14 2.222 D-14 6. EFLSBERG CL 2 1980.09.27-23:40:44.616 1.032 D-14/day 2.271 D-14/day 2.257 D-14/day 30. EFLSBERG AT 0 1980.09.27-23:40:44.616 0.810 ps 53.439 ps 53.128 ps EFLSBERG Atm 1980.09.28-11:11:16.800 Avg: 3.595 ps Rms: 22.695 ps Tot_Rms: 22.978 ps || Nat: 117 Dura: 82200.0 sec Tzd_avg: 7855.0 Tzd_rms: 31.1 Wzd_avg: 458.0 Wzd_rms: 19.0 ps Prs_avg: 98082. Pa Tem_avg: 17.6 C Stm_avg: 2.6 C Stm_rms: 2.0 K Spr_avg: 398. Spr_rms: 36. Pa 100. EFLSBERG NG 1980.09.27-23:39:44.616 0.034 mm 0.421 mm 0.419 mm 101. EFLSBERG EG 1980.09.27-23:39:44.616 0.042 mm 0.420 mm 0.417 mm 102. EFLSBERG NG 1980.09.28-07:39:44.616 0.030 mm 0.376 mm 0.374 mm 103. EFLSBERG EG 1980.09.28-07:39:44.616 0.011 mm 0.376 mm 0.373 mm 104. EFLSBERG NG 1980.09.28-15:39:44.616 -0.024 mm 0.376 mm 0.374 mm 105. EFLSBERG EG 1980.09.28-15:39:44.616 -0.031 mm 0.375 mm 0.372 mm 106. EFLSBERG NG 1980.09.28-23:39:44.616 -0.009 mm 0.422 mm 0.420 mm 107. EFLSBERG EG 1980.09.28-23:39:44.616 -0.003 mm 0.421 mm 0.419 mm 108. HAYSTACK 7205 NOAM X Comp 1492404770.72 mm 74.720 mm 16.536 mm 16.440 mm 109. HAYSTACK 7205 NOAM Y Comp -4457266323.33 mm 211.674 mm 30.894 mm 30.714 mm 110. HAYSTACK 7205 NOAM Z Comp 4296881779.54 mm -14.460 mm 28.525 mm 28.359 mm HAYSTACK 7205 U Comp -140.03 mm -140.032 mm 41.688 mm 33.851 mm HAYSTACK 7205 E Comp 138.06 mm 138.061 mm 15.684 mm 12.736 mm HAYSTACK 7205 N Comp 109.22 mm 109.219 mm 7.595 mm 6.167 mm 111. HAYSTACK CL 0 1980.09.27-23:40:44.616 -18444.094 ns 0.365 ns 0.363 ns 112. HAYSTACK CL 1 1980.09.27-23:40:44.616 -95.341 D-14 2.430 D-14 2.416 D-14 113. HAYSTACK CL 2 1980.09.27-23:40:44.616 3.487 D-14/day 2.276 D-14/day 2.263 D-14/day 137. HAYSTACK AT 0 1980.09.27-23:40:44.616 18.452 ps 66.294 ps 65.908 ps HAYSTACK Atm 1980.09.28-11:11:16.800 Avg: -41.296 ps Rms: 40.582 ps Tot_Rms: 57.899 ps || Nat: 136 Dura: 80040.0 sec Tzd_avg: 7858.9 Tzd_rms: 17.0 Wzd_avg: 250.4 Wzd_rms: 19.6 ps Prs_avg: 100948. Pa Tem_avg: 10.8 C Stm_avg: 0.4 C Stm_rms: 1.1 K Spr_avg: 635. Spr_rms: 51. Pa 207. HAYSTACK NG 1980.09.27-23:39:44.616 0.006 mm 0.422 mm 0.420 mm 208. HAYSTACK EG 1980.09.27-23:39:44.616 -0.003 mm 0.422 mm 0.420 mm 209. HAYSTACK NG 1980.09.28-07:39:44.616 0.007 mm 0.377 mm 0.375 mm 210. HAYSTACK EG 1980.09.28-07:39:44.616 -0.008 mm 0.377 mm 0.375 mm 211. HAYSTACK NG 1980.09.28-15:39:44.616 -0.018 mm 0.377 mm 0.375 mm 212. HAYSTACK EG 1980.09.28-15:39:44.616 -0.039 mm 0.377 mm 0.375 mm 213. HAYSTACK NG 1980.09.28-23:39:44.616 0.008 mm 0.422 mm 0.420 mm 214. HAYSTACK EG 1980.09.28-23:39:44.616 -0.033 mm 0.422 mm 0.420 mm 215. HRAS_085 7216 NOAM X Comp -1324211026.29 mm -9.290 mm 14.480 mm 14.395 mm 216. HRAS_085 7216 NOAM Y Comp -5332023115.44 mm -33.445 mm 55.890 mm 55.565 mm 217. HRAS_085 7216 NOAM Z Comp 3232118559.68 mm 252.679 mm 35.685 mm 35.478 mm HRAS_085 7216 U Comp 158.62 mm 158.618 mm 66.390 mm 53.910 mm HRAS_085 7216 E Comp -0.96 mm -0.955 mm 9.275 mm 7.531 mm HRAS_085 7216 N Comp 199.73 mm 199.727 mm 10.636 mm 8.636 mm 218. HRAS_085 CL 0 1980.09.27-23:40:44.616 -15748.263 ns 0.488 ns 0.485 ns 219. HRAS_085 CL 1 1980.09.27-23:40:44.616 76.447 D-14 2.311 D-14 2.298 D-14 220. HRAS_085 CL 2 1980.09.27-23:40:44.616 1.058 D-14/day 2.208 D-14/day 2.195 D-14/day 244. HRAS_085 AT 0 1980.09.27-23:40:44.616 -145.724 ps 147.061 ps 146.205 ps HRAS_085 Atm 1980.09.28-11:11:16.800 Avg: -180.467 ps Rms: 28.904 ps Tot_Rms: 182.767 ps || Nat: 103 Dura: 82200.0 sec Tzd_avg: 7131.9 Tzd_rms: 25.6 Wzd_avg: 778.9 Wzd_rms: 29.4 ps Prs_avg: 84419. Pa Tem_avg: 12.7 C Stm_avg: -2.7 C Stm_rms: 0.9 K Spr_avg: 535. Spr_rms: 55. Pa 314. HRAS_085 NG 1980.09.27-23:39:44.616 -0.003 mm 0.422 mm 0.420 mm 315. HRAS_085 EG 1980.09.27-23:39:44.616 -0.007 mm 0.422 mm 0.419 mm 316. HRAS_085 NG 1980.09.28-07:39:44.616 -0.014 mm 0.377 mm 0.375 mm 317. HRAS_085 EG 1980.09.28-07:39:44.616 0.002 mm 0.377 mm 0.375 mm 318. HRAS_085 NG 1980.09.28-15:39:44.616 -0.010 mm 0.377 mm 0.375 mm 319. HRAS_085 EG 1980.09.28-15:39:44.616 0.021 mm 0.377 mm 0.375 mm 320. HRAS_085 NG 1980.09.28-23:39:44.616 -0.011 mm 0.422 mm 0.420 mm 321. HRAS_085 EG 1980.09.28-23:39:44.616 -0.005 mm 0.422 mm 0.420 mm 322. ONSALA60 7213 EURA X Comp 3370605890.63 mm -98.375 mm 12.280 mm 12.209 mm 323. ONSALA60 7213 EURA Y Comp 711917474.32 mm -54.685 mm 20.626 mm 20.506 mm 324. ONSALA60 7213 EURA Z Comp 5349830564.49 mm -201.511 mm 23.859 mm 23.720 mm ONSALA60 7213 U Comp -227.71 mm -227.708 mm 22.634 mm 18.379 mm ONSALA60 7213 E Comp -33.17 mm -33.175 mm 20.182 mm 16.388 mm ONSALA60 7213 N Comp -17.98 mm -17.978 mm 15.031 mm 12.205 mm 325. ONSALA60 AT 0 1980.09.27-23:40:44.616 37.520 ps 38.658 ps 38.433 ps ONSALA60 Atm 1980.09.28-11:11:16.800 Avg: 74.507 ps Rms: 44.172 ps Tot_Rms: 86.617 ps || Nat: 111 Dura: 72960.0 sec Tzd_avg: 8003.5 Tzd_rms: 763.5 Wzd_avg: 329.7 Wzd_rms: 38.3 ps Prs_avg: 100921. Pa Tem_avg: 10.5 C Stm_avg: -0.2 C Stm_rms: 1.8 K Spr_avg: -1346. Spr_rms: 42. Pa 395. ONSALA60 NG 1980.09.27-23:39:44.616 -0.033 mm 0.421 mm 0.419 mm 396. ONSALA60 EG 1980.09.27-23:39:44.616 -0.051 mm 0.419 mm 0.417 mm 397. ONSALA60 NG 1980.09.28-07:39:44.616 -0.032 mm 0.376 mm 0.374 mm 398. ONSALA60 EG 1980.09.28-07:39:44.616 -0.033 mm 0.376 mm 0.374 mm 399. ONSALA60 NG 1980.09.28-15:39:44.616 0.025 mm 0.376 mm 0.374 mm 400. ONSALA60 EG 1980.09.28-15:39:44.616 0.030 mm 0.375 mm 0.373 mm 401. ONSALA60 NG 1980.09.28-23:39:44.616 0.007 mm 0.422 mm 0.420 mm 402. ONSALA60 EG 1980.09.28-23:39:44.616 0.012 mm 0.422 mm 0.419 mm 403. OVRO_130 7207 NOAM X Comp -2409600789.17 mm 97.834 mm 11.745 mm 11.677 mm 404. OVRO_130 7207 NOAM Y Comp -4478349481.21 mm -17.206 mm 22.824 mm 22.691 mm 405. OVRO_130 7207 NOAM Z Comp 3838603307.49 mm 119.494 mm 21.777 mm 21.650 mm OVRO_130 7207 U Comp 47.45 mm 47.453 mm 30.277 mm 24.585 mm OVRO_130 7207 E Comp 94.31 mm 94.307 mm 10.084 mm 8.188 mm OVRO_130 7207 N Comp 114.02 mm 114.021 mm 10.712 mm 8.698 mm 406. OVRO_130 CL 0 1980.09.27-23:40:44.616 -10286.728 ns 0.295 ns 0.294 ns 407. OVRO_130 CL 1 1980.09.27-23:40:44.616 -163.873 D-14 2.290 D-14 2.277 D-14 408. OVRO_130 CL 2 1980.09.27-23:40:44.616 1.559 D-14/day 2.189 D-14/day 2.177 D-14/day 432. OVRO_130 AT 0 1980.09.27-23:40:44.616 23.594 ps 57.070 ps 56.738 ps OVRO_130 Atm 1980.09.28-11:11:16.800 Avg: -32.140 ps Rms: 41.965 ps Tot_Rms: 52.859 ps || Nat: 106 Dura: 82200.0 sec Tzd_avg: 6851.3 Tzd_rms: 14.0 Wzd_avg: 196.1 Wzd_rms: 13.0 ps Prs_avg: 87562. Pa Tem_avg: 18.1 C Stm_avg: -4.4 C Stm_rms: 4.9 K Spr_avg: -116. Spr_rms: 136. Pa 502. OVRO_130 NG 1980.09.27-23:39:44.616 -0.008 mm 0.422 mm 0.420 mm 503. OVRO_130 EG 1980.09.27-23:39:44.616 0.003 mm 0.422 mm 0.419 mm 504. OVRO_130 NG 1980.09.28-07:39:44.616 0.008 mm 0.377 mm 0.375 mm 505. OVRO_130 EG 1980.09.28-07:39:44.616 0.015 mm 0.377 mm 0.375 mm 506. OVRO_130 NG 1980.09.28-15:39:44.616 0.012 mm 0.377 mm 0.375 mm 507. OVRO_130 EG 1980.09.28-15:39:44.616 -0.007 mm 0.377 mm 0.375 mm 508. OVRO_130 NG 1980.09.28-23:39:44.616 -0.009 mm 0.422 mm 0.420 mm 509. OVRO_130 EG 1980.09.28-23:39:44.616 0.004 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. EFLSBERG Input 50.00 ps/h RMS 18.89 ps/h NRMS 0.38 share 0.79 count 70 2. HAYSTACK Input 50.00 ps/h RMS 13.11 ps/h NRMS 0.26 share 0.93 count 70 3. HRAS_085 Input 50.00 ps/h RMS 13.29 ps/h NRMS 0.27 share 0.93 count 70 4. ONSALA60 Input 50.00 ps/h RMS 21.01 ps/h NRMS 0.42 share 0.76 count 70 6. OVRO_130 Input 50.00 ps/h RMS 17.70 ps/h NRMS 0.35 share 0.89 count 70 Overall RMS 17.09 ps/h NRMS 0.34 share 0.86 count 350 Gradient Constraint Statistics 1. EFLSBERG Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.53 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.53 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.53 count 40 Clock Constraint Statistics 1. EFLSBERG Input 5.00 D-14 RMS 1.97 D-14 NRMS 0.39 share 0.28 count 24 2. HAYSTACK Input 5.00 D-14 RMS 1.81 D-14 NRMS 0.36 share 0.36 count 24 3. HRAS_085 Input 5.00 D-14 RMS 2.27 D-14 NRMS 0.45 share 0.33 count 24 6. OVRO_130 Input 5.00 D-14 RMS 2.48 D-14 NRMS 0.50 share 0.31 count 24 Overall RMS 2.15 D-14 NRMS 0.43 share 0.32 count 96 510. UT1-TAI 1, 1980.09.28-11:06:00.000 -2.4407 ms/d 40.17 micros/d 124.35 micros/d 123.63 micros/d EOP epoch (TDT) MJD: 44510.462873 NUT epoch (TDT) MJD: 44510.429388 511. Nutation DPSI wrt apriori model 1980.09.28-11:05:45.096 0.787 mas 1249.0 microasec 1241.8 microasec Nutation Dx wrt apriori model 1980.09.28-11:05:45.096 0.317 mas 494.2 microasec 491.3 microasec Nutation DPSI wrt Wahr 1980 model 1980.09.28-11:05:45.096 0.766 mas 1249.0 microasec 1241.8 microasec 512. Nutation DEPS wrt apriori model 1980.09.28-11:05:45.096 -0.902 mas 633.1 microasec 629.4 microasec Nutation Dy wrt apriori model 1980.09.28-11:05:45.096 -0.901 mas 635.3 microasec 631.6 microasec Nutation DEPS wrt Wahr 1980 model 1980.09.28-11:05:45.096 -2.713 mas 633.1 microasec 629.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0717 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.09.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) EFLSBERG 7203 to HRAS_085 7216 8084184910.39 55.11 8084184910.39 55.11 211.41 9.83 -317.37 75.17 EFLSBERG 7203 to ONSALA60 7213 832210510.92 4.04 832210510.92 4.04 54.44 3.02 51.16 14.67 EFLSBERG 7203 to OVRO_130 7207 8203742495.01 27.82 8203742495.01 27.82 80.43 10.68 -238.08 45.54 HAYSTACK 7205 to HRAS_085 7216 3135641036.17 26.40 3135641036.17 26.40 95.02 10.29 -355.88 93.28 HAYSTACK 7205 to ONSALA60 7213 5599714432.39 21.29 5599714432.39 21.29 2.59 13.06 144.55 53.55 HAYSTACK 7205 to OVRO_130 7207 3928881653.46 21.64 3928881653.46 21.64 -58.65 8.63 -256.96 57.01 HRAS_085 7216 to ONSALA60 7213 7940732199.94 54.34 7940732199.94 54.34 135.82 9.83 400.18 76.61 HRAS_085 7216 to OVRO_130 7207 1508195398.64 14.04 1508195398.64 14.04 -24.67 7.48 118.81 74.70 ONSALA60 7213 to OVRO_130 7207 7914130915.83 27.41 7914130915.83 27.41 0.65 11.41 -300.70 46.94 NNT_POS: 5 stations participated in NNT_POS constraints: EFLSBERG HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:31 Correlator type: Unknown Experiment code: mert06 Mark-3 db_name: $80SEP28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800928_a Ver 2 mert06 Matrix Condition Number = 1.568107324004401E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- EFLSBERG: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for EFLSBERG is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms EFLSBERG MET 12.1 0.7 985.2 0.2 92.4 0.2 HAYSTACK MET 8.7 3.9 1016.2 2.4 45.7 3.6 HRAS_085 MET 14.6 2.6 844.7 0.4 90.2 16.0 ONSALA60 MET 13.4 0.3 1008.0 1.3 88.8 1.2 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 17.1 8.5 880.6 2.4 6.3 3.0 Run 26091-1733 962 Observation Pairs Available Session started on: 2444511.484200 1980.09.28 23:37:14.880 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 400 36.381 ps 0.83 0.9887 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 435 Number of potentially good observations with QC 5-9: 435 Number of used observations: 400 ( 91.95%) Number of suppressed observations: 35 ( 8.05%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps EFLSBERG ONSALA60 19 19 13.467 0.59 19800928_a mert06 1980.09.29-11:02:15.3 BAS_STAT HAYSTACK HRAS_085 69 79 39.349 0.83 19800928_a mert06 1980.09.29-11:02:15.3 BAS_STAT HAYSTACK ONSALA60 67 72 24.407 0.71 19800928_a mert06 1980.09.29-11:02:15.3 BAS_STAT HAYSTACK OVRO_130 71 78 53.787 0.89 19800928_a mert06 1980.09.29-11:02:15.3 BAS_STAT HRAS_085 ONSALA60 45 46 101.450 0.95 19800928_a mert06 1980.09.29-11:02:15.3 BAS_STAT HRAS_085 OVRO_130 72 83 32.116 0.81 19800928_a mert06 1980.09.29-11:02:15.3 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 57 58 54.605 0.86 19800928_a mert06 1980.09.29-11:02:15.3 BAS_STAT Not included: EFLSBERG HAYSTACK 0/ 0 deselected baseline 19800928_a mert06 EFLSBERG HRAS_085 0/ 0 deselected baseline 19800928_a mert06 EFLSBERG ONSALA85 0/ 0 deselected baseline 19800928_a mert06 EFLSBERG OVRO_130 0/ 0 deselected baseline 19800928_a mert06 HAYSTACK ONSALA85 0/ 0 deselected baseline 19800928_a mert06 HRAS_085 ONSALA85 0/ 0 deselected baseline 19800928_a mert06 ONSALA85 OVRO_130 0/ 0 deselected baseline 19800928_a mert06 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 35 29.218 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 0235+164 J0238+1636 19 20 60 60.303 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 0552+398 J0555+3948 40 42 91 49.051 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 1642+690 J1642+6856 38 48 111 56.334 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 2134+00 J2136+0041 10 11 20 49.345 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 3C273B J1229+0203 4 11 31 27.688 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 3C345 J1642+3948 47 48 80 31.124 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 3C454.3 J2253+1608 18 20 51 32.431 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 4C39.25 J0927+3902 50 53 94 35.746 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: 4C67.05 J0228+6721 15 21 69 68.179 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: NRAO150 J0359+5057 31 31 89 25.821 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: OJ287 J0854+2006 44 44 71 55.308 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: OQ208 J1407+2827 29 31 54 59.703 19800928_a mert06 1980.09.29-11:02:15.360 SRC_STAT: VR422201 J2202+4216 42 42 106 26.582 19800928_a mert06 1980.09.29-11:02:15.360 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.09.29-11:01:43 1. EFLSBERG 7203 EURA X Comp 4033947383.21 mm -49.788 mm 23.527 mm 23.394 mm 2. EFLSBERG 7203 EURA Y Comp 486990383.15 mm -179.848 mm 15.490 mm 15.403 mm 3. EFLSBERG 7203 EURA Z Comp 4900430676.81 mm -160.195 mm 30.820 mm 30.646 mm EFLSBERG 7203 U Comp -168.78 mm -168.782 mm 37.146 mm 30.746 mm EFLSBERG 7203 E Comp -172.58 mm -172.585 mm 15.472 mm 12.806 mm EFLSBERG 7203 N Comp -47.05 mm -47.050 mm 11.140 mm 9.221 mm 4. EFLSBERG CL 0 1980.09.28-23:36:42.696 13134.655 ns 0.218 ns 0.217 ns 5. EFLSBERG CL 1 1980.09.28-23:36:42.696 136.374 D-14 4.786 D-14 4.759 D-14 6. EFLSBERG CL 2 1980.09.28-23:36:42.696 20.782 D-14/day 20.834 D-14/day 20.716 D-14/day 30. EFLSBERG AT 0 1980.09.28-23:36:42.696 -35.125 ps 37.135 ps 36.925 ps EFLSBERG Atm 1980.09.29-11:07:14.880 Avg: -32.720 ps Rms: 2.351 ps Tot_Rms: 32.805 ps || Nat: 35 Dura: 23220.0 sec Tzd_avg: 7872.9 Tzd_rms: 16.9 Wzd_avg: 444.9 Wzd_rms: 18.8 ps Prs_avg: 98528. Pa Tem_avg: 12.1 C Stm_avg: 1.4 C Stm_rms: 0.7 K Spr_avg: 442. Spr_rms: 9. Pa 100. EFLSBERG NG 1980.09.28-23:35:42.696 0.002 mm 0.422 mm 0.420 mm 101. EFLSBERG EG 1980.09.28-23:35:42.696 0.004 mm 0.422 mm 0.420 mm 102. EFLSBERG NG 1980.09.29-07:35:42.696 0.008 mm 0.377 mm 0.375 mm 103. EFLSBERG EG 1980.09.29-07:35:42.696 -0.003 mm 0.377 mm 0.375 mm 104. EFLSBERG NG 1980.09.29-15:35:42.696 0.002 mm 0.377 mm 0.375 mm 105. EFLSBERG EG 1980.09.29-15:35:42.696 -0.001 mm 0.377 mm 0.375 mm 106. EFLSBERG NG 1980.09.29-23:35:42.696 0.001 mm 0.422 mm 0.420 mm 107. EFLSBERG EG 1980.09.29-23:35:42.696 -0.000 mm 0.422 mm 0.420 mm 108. HAYSTACK 7205 NOAM X Comp 1492404716.43 mm 20.431 mm 11.040 mm 10.978 mm 109. HAYSTACK 7205 NOAM Y Comp -4457266370.43 mm 164.572 mm 16.810 mm 16.715 mm 110. HAYSTACK 7205 NOAM Z Comp 4296881811.04 mm 17.036 mm 18.640 mm 18.535 mm HAYSTACK 7205 U Comp -98.52 mm -98.520 mm 23.507 mm 19.456 mm HAYSTACK 7205 E Comp 71.63 mm 71.625 mm 11.571 mm 9.578 mm HAYSTACK 7205 N Comp 113.82 mm 113.821 mm 8.091 mm 6.697 mm 111. HAYSTACK AT 0 1980.09.28-23:36:42.696 -13.587 ps 32.562 ps 32.378 ps HAYSTACK Atm 1980.09.29-11:07:14.880 Avg: -2.065 ps Rms: 28.231 ps Tot_Rms: 28.306 ps || Nat: 136 Dura: 82200.0 sec Tzd_avg: 7870.3 Tzd_rms: 8.7 Wzd_avg: 208.7 Wzd_rms: 23.5 ps Prs_avg: 101628. Pa Tem_avg: 8.6 C Stm_avg: -0.8 C Stm_rms: 0.7 K Spr_avg: 635. Spr_rms: 40. Pa 181. HAYSTACK NG 1980.09.28-23:35:42.696 0.034 mm 0.422 mm 0.420 mm 182. HAYSTACK EG 1980.09.28-23:35:42.696 -0.093 mm 0.421 mm 0.418 mm 183. HAYSTACK NG 1980.09.29-07:35:42.696 0.027 mm 0.377 mm 0.375 mm 184. HAYSTACK EG 1980.09.29-07:35:42.696 -0.022 mm 0.376 mm 0.374 mm 185. HAYSTACK NG 1980.09.29-15:35:42.696 0.021 mm 0.377 mm 0.375 mm 186. HAYSTACK EG 1980.09.29-15:35:42.696 0.029 mm 0.376 mm 0.374 mm 187. HAYSTACK NG 1980.09.29-23:35:42.696 -0.015 mm 0.422 mm 0.420 mm 188. HAYSTACK EG 1980.09.29-23:35:42.696 0.027 mm 0.422 mm 0.419 mm 189. HRAS_085 7216 NOAM X Comp -1324211036.52 mm -19.525 mm 13.722 mm 13.645 mm 190. HRAS_085 7216 NOAM Y Comp -5332022954.66 mm 127.339 mm 40.196 mm 39.969 mm 191. HRAS_085 7216 NOAM Z Comp 3232118484.42 mm 177.417 mm 27.655 mm 27.499 mm HRAS_085 7216 U Comp -11.87 mm -11.874 mm 47.870 mm 39.622 mm HRAS_085 7216 E Comp -49.64 mm -49.641 mm 10.384 mm 8.595 mm HRAS_085 7216 N Comp 213.23 mm 213.232 mm 13.017 mm 10.774 mm 192. HRAS_085 CL 0 1980.09.28-23:36:42.696 2840.759 ns 0.326 ns 0.324 ns 193. HRAS_085 CL 1 1980.09.28-23:36:42.696 159.115 D-14 2.129 D-14 2.117 D-14 194. HRAS_085 CL 2 1980.09.28-23:36:42.696 23.839 D-14/day 1.932 D-14/day 1.921 D-14/day 218. HRAS_085 AT 0 1980.09.28-23:36:42.696 144.479 ps 118.702 ps 118.031 ps HRAS_085 Atm 1980.09.29-11:07:14.880 Avg: 164.836 ps Rms: 20.676 ps Tot_Rms: 166.127 ps || Nat: 104 Dura: 82200.0 sec Tzd_avg: 7086.1 Tzd_rms: 21.9 Wzd_avg: 724.8 Wzd_rms: 22.1 ps Prs_avg: 84466. Pa Tem_avg: 14.8 C Stm_avg: 0.0 C Stm_rms: 0.6 K Spr_avg: 496. Spr_rms: 57. Pa 288. HRAS_085 NG 1980.09.28-23:35:42.696 0.037 mm 0.422 mm 0.420 mm 289. HRAS_085 EG 1980.09.28-23:35:42.696 0.030 mm 0.422 mm 0.419 mm 290. HRAS_085 NG 1980.09.29-07:35:42.696 0.025 mm 0.377 mm 0.375 mm 291. HRAS_085 EG 1980.09.29-07:35:42.696 0.017 mm 0.377 mm 0.374 mm 292. HRAS_085 NG 1980.09.29-15:35:42.696 -0.027 mm 0.377 mm 0.374 mm 293. HRAS_085 EG 1980.09.29-15:35:42.696 -0.012 mm 0.376 mm 0.374 mm 294. HRAS_085 NG 1980.09.29-23:35:42.696 -0.022 mm 0.422 mm 0.420 mm 295. HRAS_085 EG 1980.09.29-23:35:42.696 -0.025 mm 0.422 mm 0.419 mm 296. ONSALA60 7213 EURA X Comp 3370605965.37 mm -23.629 mm 12.879 mm 12.806 mm 297. ONSALA60 7213 EURA Y Comp 711917396.05 mm -132.955 mm 14.335 mm 14.254 mm 298. ONSALA60 7213 EURA Z Comp 5349830615.67 mm -150.328 mm 22.458 mm 22.331 mm ONSALA60 7213 U Comp -153.90 mm -153.901 mm 23.439 mm 19.401 mm ONSALA60 7213 E Comp -125.20 mm -125.202 mm 14.325 mm 11.857 mm ONSALA60 7213 N Comp -38.38 mm -38.380 mm 11.005 mm 9.109 mm 299. ONSALA60 CL 0 1980.09.28-23:36:42.696 18524.470 ns 0.186 ns 0.185 ns 300. ONSALA60 CL 1 1980.09.28-23:36:42.696 81.665 D-14 2.224 D-14 2.211 D-14 301. ONSALA60 CL 2 1980.09.28-23:36:42.696 22.643 D-14/day 2.111 D-14/day 2.099 D-14/day 325. ONSALA60 AT 0 1980.09.28-23:36:42.696 94.580 ps 32.428 ps 32.245 ps ONSALA60 Atm 1980.09.29-11:07:14.880 Avg: 57.741 ps Rms: 41.289 ps Tot_Rms: 70.985 ps || Nat: 114 Dura: 79440.0 sec Tzd_avg: 8013.7 Tzd_rms: 754.3 Wzd_avg: 362.1 Wzd_rms: 48.7 ps Prs_avg: 100784. Pa Tem_avg: 13.4 C Stm_avg: 0.9 C Stm_rms: 0.2 K Spr_avg: -1178. Spr_rms: 119. Pa 395. ONSALA60 NG 1980.09.28-23:35:42.696 -0.024 mm 0.422 mm 0.420 mm 396. ONSALA60 EG 1980.09.28-23:35:42.696 0.004 mm 0.422 mm 0.419 mm 397. ONSALA60 NG 1980.09.29-07:35:42.696 0.014 mm 0.377 mm 0.375 mm 398. ONSALA60 EG 1980.09.29-07:35:42.696 0.008 mm 0.377 mm 0.375 mm 399. ONSALA60 NG 1980.09.29-15:35:42.696 0.005 mm 0.377 mm 0.375 mm 400. ONSALA60 EG 1980.09.29-15:35:42.696 -0.010 mm 0.377 mm 0.375 mm 401. ONSALA60 NG 1980.09.29-23:35:42.696 0.004 mm 0.422 mm 0.420 mm 402. ONSALA60 EG 1980.09.29-23:35:42.696 -0.001 mm 0.422 mm 0.420 mm 403. OVRO_130 7207 NOAM X Comp -2409600814.49 mm 72.511 mm 12.055 mm 11.987 mm 404. OVRO_130 7207 NOAM Y Comp -4478349443.11 mm 20.893 mm 18.017 mm 17.915 mm 405. OVRO_130 7207 NOAM Z Comp 3838603304.07 mm 116.070 mm 20.688 mm 20.571 mm OVRO_130 7207 U Comp 28.22 mm 28.222 mm 24.459 mm 20.245 mm OVRO_130 7207 E Comp 53.96 mm 53.956 mm 10.588 mm 8.763 mm OVRO_130 7207 N Comp 124.33 mm 124.334 mm 13.697 mm 11.337 mm 406. OVRO_130 CL 0 1980.09.28-23:36:42.696 8096.523 ns 0.172 ns 0.171 ns 407. OVRO_130 CL 1 1980.09.28-23:36:42.696 -81.280 D-14 2.125 D-14 2.113 D-14 408. OVRO_130 CL 2 1980.09.28-23:36:42.696 21.722 D-14/day 1.934 D-14/day 1.923 D-14/day 432. OVRO_130 AT 0 1980.09.28-23:36:42.696 42.106 ps 54.357 ps 54.050 ps OVRO_130 Atm 1980.09.29-11:07:14.880 Avg: -7.901 ps Rms: 30.844 ps Tot_Rms: 31.839 ps || Nat: 110 Dura: 82200.0 sec Tzd_avg: 6918.1 Tzd_rms: 29.1 Wzd_avg: 231.0 Wzd_rms: 12.9 ps Prs_avg: 88064. Pa Tem_avg: 17.4 C Stm_avg: -8.2 C Stm_rms: 5.3 K Spr_avg: -53. Spr_rms: 52. Pa 502. OVRO_130 NG 1980.09.28-23:35:42.696 -0.028 mm 0.422 mm 0.420 mm 503. OVRO_130 EG 1980.09.28-23:35:42.696 0.000 mm 0.422 mm 0.420 mm 504. OVRO_130 NG 1980.09.29-07:35:42.696 -0.011 mm 0.377 mm 0.375 mm 505. OVRO_130 EG 1980.09.29-07:35:42.696 0.009 mm 0.376 mm 0.374 mm 506. OVRO_130 NG 1980.09.29-15:35:42.696 0.028 mm 0.377 mm 0.374 mm 507. OVRO_130 EG 1980.09.29-15:35:42.696 0.011 mm 0.376 mm 0.374 mm 508. OVRO_130 NG 1980.09.29-23:35:42.696 0.031 mm 0.422 mm 0.420 mm 509. OVRO_130 EG 1980.09.29-23:35:42.696 -0.005 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. EFLSBERG Input 50.00 ps/h RMS 3.93 ps/h NRMS 0.08 share 0.96 count 70 2. HAYSTACK Input 50.00 ps/h RMS 24.82 ps/h NRMS 0.50 share 0.83 count 70 3. HRAS_085 Input 50.00 ps/h RMS 13.71 ps/h NRMS 0.27 share 0.89 count 70 4. ONSALA60 Input 50.00 ps/h RMS 21.34 ps/h NRMS 0.43 share 0.84 count 70 6. OVRO_130 Input 50.00 ps/h RMS 14.68 ps/h NRMS 0.29 share 0.86 count 70 Overall RMS 17.26 ps/h NRMS 0.35 share 0.88 count 350 Gradient Constraint Statistics 1. EFLSBERG Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 1. EFLSBERG Input 5.00 D-14 RMS 0.92 D-14 NRMS 0.18 share 0.87 count 24 3. HRAS_085 Input 5.00 D-14 RMS 8.35 D-14 NRMS 1.67 share 0.22 count 24 4. ONSALA60 Input 5.00 D-14 RMS 8.24 D-14 NRMS 1.65 share 0.33 count 24 6. OVRO_130 Input 5.00 D-14 RMS 7.09 D-14 NRMS 1.42 share 0.23 count 24 Overall RMS 6.87 D-14 NRMS 1.37 share 0.41 count 96 510. UT1-TAI 1, 1980.09.29-11:02:00.000 -2.2069 ms/d 110.88 micros/d 94.19 micros/d 93.66 micros/d EOP epoch (TDT) MJD: 44511.460095 NUT epoch (TDT) MJD: 44511.404367 511. Nutation DPSI wrt apriori model 1980.09.29-11:01:43.176 0.492 mas 1167.3 microasec 1160.7 microasec Nutation Dx wrt apriori model 1980.09.29-11:01:43.176 0.203 mas 462.0 microasec 459.4 microasec Nutation DPSI wrt Wahr 1980 model 1980.09.29-11:01:43.176 0.500 mas 1167.3 microasec 1160.7 microasec 512. Nutation DEPS wrt apriori model 1980.09.29-11:01:43.176 -1.655 mas 547.4 microasec 544.4 microasec Nutation Dy wrt apriori model 1980.09.29-11:01:43.176 -1.654 mas 549.4 microasec 546.3 microasec Nutation DEPS wrt Wahr 1980 model 1980.09.29-11:01:43.176 -3.517 mas 547.4 microasec 544.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0718 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.09.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) EFLSBERG 7203 to ONSALA60 7213 832210491.89 6.93 832210491.89 6.93 47.00 7.13 -27.63 36.30 HAYSTACK 7205 to HRAS_085 7216 3135640974.85 16.45 3135640974.85 16.45 112.13 6.35 -126.75 62.06 HAYSTACK 7205 to ONSALA60 7213 5599714450.60 11.66 5599714450.60 11.66 107.47 8.00 62.83 40.26 HAYSTACK 7205 to OVRO_130 7207 3928881628.30 10.04 3928881628.30 10.04 -29.25 6.79 -168.53 34.52 HRAS_085 7216 to ONSALA60 7213 7940732101.96 41.41 7940732101.96 41.41 256.30 9.40 163.03 59.75 HRAS_085 7216 to OVRO_130 7207 1508195368.94 9.54 1508195368.94 9.54 -16.84 5.55 -20.82 56.68 ONSALA60 7213 to OVRO_130 7207 7914130923.03 23.96 7914130923.03 23.96 125.94 10.98 -196.83 43.71 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:35 Correlator type: Unknown Experiment code: mert07 Mark-3 db_name: $80SEP29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800929_a Ver 2 mert07 Matrix Condition Number = 3.640204692921058E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 11.7 6.2 1013.4 1.2 63.6 11.6 HRAS_085 MET 15.3 4.0 846.3 0.5 76.7 10.2 ONSALA60 MET 12.8 0.6 997.3 1.7 83.1 9.4 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 16.6 10.0 880.9 1.0 2.7 3.9 Run 26091-1733 904 Observation Pairs Available Session started on: 2444512.481500 1980.09.29 23:33:21.600 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 444 57.449 ps 0.87 1.0011 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 480 Number of potentially good observations with QC 5-9: 480 Number of used observations: 444 ( 92.50%) Number of suppressed observations: 36 ( 7.50%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 87 96 46.999 0.85 19800929_a mert07 1980.09.30-10:58:22.0 BAS_STAT HAYSTACK ONSALA60 75 82 52.408 0.80 19800929_a mert07 1980.09.30-10:58:22.0 BAS_STAT HAYSTACK OVRO_130 90 99 49.413 0.86 19800929_a mert07 1980.09.30-10:58:22.0 BAS_STAT HRAS_085 ONSALA60 51 55 120.745 0.94 19800929_a mert07 1980.09.30-10:58:22.0 BAS_STAT HRAS_085 OVRO_130 84 86 68.727 0.92 19800929_a mert07 1980.09.30-10:58:22.0 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 57 62 63.540 0.85 19800929_a mert07 1980.09.30-10:58:22.0 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19800929_a mert07 HRAS_085 ONSALA85 0/ 0 deselected baseline 19800929_a mert07 ONSALA85 OVRO_130 0/ 0 deselected baseline 19800929_a mert07 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 19 19 25 48.322 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 0235+164 J0238+1636 33 33 52 60.867 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 0552+398 J0555+3948 53 58 92 72.672 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 1642+690 J1642+6856 41 46 98 88.321 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 2134+00 J2136+0041 10 11 19 70.518 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 3C273B J1229+0203 4 11 31 64.037 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 3C345 J1642+3948 43 45 91 31.207 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 3C454.3 J2253+1608 22 24 43 60.548 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 4C39.25 J0927+3902 45 50 92 64.472 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: 4C67.05 J0228+6721 18 22 57 140.819 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: NRAO150 J0359+5057 44 44 91 42.335 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: OJ287 J0854+2006 41 43 70 86.789 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: OQ208 J1407+2827 26 29 62 85.793 19800929_a mert07 1980.09.30-10:58:22.080 SRC_STAT: VR422201 J2202+4216 45 45 81 27.497 19800929_a mert07 1980.09.30-10:58:22.080 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.09.30-10:57:49 1. HAYSTACK 7205 NOAM X Comp 1492404692.14 mm -3.863 mm 7.658 mm 7.662 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266439.79 mm 95.209 mm 19.152 mm 19.163 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881773.00 mm -20.998 mm 16.089 mm 16.098 mm HAYSTACK 7205 U Comp -81.55 mm -81.553 mm 23.106 mm 20.046 mm HAYSTACK 7205 E Comp 26.57 mm 26.566 mm 10.824 mm 9.391 mm HAYSTACK 7205 N Comp 46.52 mm 46.517 mm 5.765 mm 5.002 mm 4. HAYSTACK CL 0 1980.09.29-23:32:49.416 -2998.290 ns 0.343 ns 0.343 ns 5. HAYSTACK CL 1 1980.09.29-23:32:49.416 -208.076 D-14 2.129 D-14 2.130 D-14 6. HAYSTACK CL 2 1980.09.29-23:32:49.416 -0.921 D-14/day 1.931 D-14/day 1.932 D-14/day 30. HAYSTACK AT 0 1980.09.29-23:32:49.416 7.393 ps 24.181 ps 24.195 ps HAYSTACK Atm 1980.09.30-11:03:21.600 Avg: 2.502 ps Rms: 21.555 ps Tot_Rms: 21.700 ps || Nat: 140 Dura: 82200.0 sec Tzd_avg: 7938.4 Tzd_rms: 12.2 Wzd_avg: 323.0 Wzd_rms: 27.4 ps Prs_avg: 101342. Pa Tem_avg: 11.8 C Stm_avg: -0.2 C Stm_rms: 1.6 K Spr_avg: 905. Spr_rms: 146. Pa 100. HAYSTACK NG 1980.09.29-23:31:49.416 -0.007 mm 0.422 mm 0.422 mm 101. HAYSTACK EG 1980.09.29-23:31:49.416 -0.045 mm 0.420 mm 0.420 mm 102. HAYSTACK NG 1980.09.30-07:31:49.416 0.001 mm 0.377 mm 0.377 mm 103. HAYSTACK EG 1980.09.30-07:31:49.416 -0.057 mm 0.376 mm 0.376 mm 104. HAYSTACK NG 1980.09.30-15:31:49.416 -0.002 mm 0.377 mm 0.377 mm 105. HAYSTACK EG 1980.09.30-15:31:49.416 -0.008 mm 0.376 mm 0.377 mm 106. HAYSTACK NG 1980.09.30-23:31:49.416 -0.018 mm 0.422 mm 0.422 mm 107. HAYSTACK EG 1980.09.30-23:31:49.416 0.006 mm 0.421 mm 0.421 mm 108. HRAS_085 7216 NOAM X Comp -1324211075.60 mm -58.600 mm 11.421 mm 11.427 mm 109. HRAS_085 7216 NOAM Y Comp -5332022984.97 mm 97.033 mm 40.322 mm 40.345 mm 110. HRAS_085 7216 NOAM Z Comp 3232118419.40 mm 112.405 mm 25.697 mm 25.712 mm HRAS_085 7216 U Comp -11.59 mm -11.594 mm 47.952 mm 41.602 mm HRAS_085 7216 E Comp -80.26 mm -80.260 mm 6.567 mm 5.698 mm HRAS_085 7216 N Comp 137.51 mm 137.507 mm 8.613 mm 7.472 mm 111. HRAS_085 AT 0 1980.09.29-23:32:49.416 141.599 ps 124.923 ps 124.994 ps HRAS_085 Atm 1980.09.30-11:03:21.600 Avg: 163.085 ps Rms: 42.738 ps Tot_Rms: 168.592 ps || Nat: 105 Dura: 82200.0 sec Tzd_avg: 6659.5 Tzd_rms: 107.1 Wzd_avg: 262.1 Wzd_rms: 117.9 ps Prs_avg: 84631. Pa Tem_avg: 15.3 C Stm_avg: -3.3 C Stm_rms: 2.2 K Spr_avg: 389. Spr_rms: 93. Pa 181. HRAS_085 NG 1980.09.29-23:31:49.416 -0.013 mm 0.422 mm 0.422 mm 182. HRAS_085 EG 1980.09.29-23:31:49.416 0.041 mm 0.422 mm 0.422 mm 183. HRAS_085 NG 1980.09.30-07:31:49.416 -0.013 mm 0.377 mm 0.377 mm 184. HRAS_085 EG 1980.09.30-07:31:49.416 0.033 mm 0.377 mm 0.377 mm 185. HRAS_085 NG 1980.09.30-15:31:49.416 0.003 mm 0.377 mm 0.377 mm 186. HRAS_085 EG 1980.09.30-15:31:49.416 -0.040 mm 0.377 mm 0.377 mm 187. HRAS_085 NG 1980.09.30-23:31:49.416 0.007 mm 0.422 mm 0.422 mm 188. HRAS_085 EG 1980.09.30-23:31:49.416 -0.047 mm 0.422 mm 0.422 mm 189. ONSALA60 7213 EURA X Comp 3370605987.04 mm -1.960 mm 15.836 mm 15.845 mm 190. ONSALA60 7213 EURA Y Comp 711917302.83 mm -226.166 mm 18.341 mm 18.352 mm 191. ONSALA60 7213 EURA Z Comp 5349830639.33 mm -126.672 mm 29.056 mm 29.072 mm ONSALA60 7213 U Comp -132.93 mm -132.927 mm 29.843 mm 25.891 mm ONSALA60 7213 E Comp -220.88 mm -220.879 mm 18.410 mm 15.972 mm ONSALA60 7213 N Comp -27.27 mm -27.266 mm 14.210 mm 12.328 mm 192. ONSALA60 CL 0 1980.09.29-23:32:49.416 15616.190 ns 0.378 ns 0.378 ns 193. ONSALA60 CL 1 1980.09.29-23:32:49.416 -78.045 D-14 2.247 D-14 2.248 D-14 194. ONSALA60 CL 2 1980.09.29-23:32:49.416 -3.872 D-14/day 2.053 D-14/day 2.054 D-14/day 218. ONSALA60 AT 0 1980.09.29-23:32:49.416 13.241 ps 35.884 ps 35.904 ps ONSALA60 Atm 1980.09.30-11:03:21.600 Avg: 26.519 ps Rms: 29.776 ps Tot_Rms: 39.873 ps || Nat: 122 Dura: 82200.0 sec Tzd_avg: 7825.1 Tzd_rms: 1012.3 Wzd_avg: 309.1 Wzd_rms: 72.3 ps Prs_avg: 99734. Pa Tem_avg: 12.8 C Stm_avg: 0.1 C Stm_rms: 0.4 K Spr_avg: -1179. Spr_rms: 152. Pa 288. ONSALA60 NG 1980.09.29-23:31:49.416 -0.027 mm 0.422 mm 0.422 mm 289. ONSALA60 EG 1980.09.29-23:31:49.416 -0.023 mm 0.422 mm 0.422 mm 290. ONSALA60 NG 1980.09.30-07:31:49.416 -0.038 mm 0.377 mm 0.377 mm 291. ONSALA60 EG 1980.09.30-07:31:49.416 -0.057 mm 0.377 mm 0.377 mm 292. ONSALA60 NG 1980.09.30-15:31:49.416 0.005 mm 0.377 mm 0.377 mm 293. ONSALA60 EG 1980.09.30-15:31:49.416 -0.021 mm 0.377 mm 0.377 mm 294. ONSALA60 NG 1980.09.30-23:31:49.416 0.006 mm 0.422 mm 0.423 mm 295. ONSALA60 EG 1980.09.30-23:31:49.416 -0.007 mm 0.422 mm 0.423 mm 296. OVRO_130 7207 NOAM X Comp -2409600822.58 mm 64.423 mm 9.387 mm 9.393 mm 297. OVRO_130 7207 NOAM Y Comp -4478349430.08 mm 33.925 mm 19.371 mm 19.382 mm 298. OVRO_130 7207 NOAM Z Comp 3838603223.26 mm 35.265 mm 17.890 mm 17.900 mm OVRO_130 7207 U Comp -26.75 mm -26.754 mm 25.354 mm 21.997 mm OVRO_130 7207 E Comp 40.66 mm 40.658 mm 7.432 mm 6.448 mm OVRO_130 7207 N Comp 64.62 mm 64.622 mm 9.239 mm 8.015 mm 299. OVRO_130 CL 0 1980.09.29-23:32:49.416 5046.566 ns 0.336 ns 0.336 ns 300. OVRO_130 CL 1 1980.09.29-23:32:49.416 -243.012 D-14 2.144 D-14 2.145 D-14 301. OVRO_130 CL 2 1980.09.29-23:32:49.416 -2.313 D-14/day 1.950 D-14/day 1.951 D-14/day 325. OVRO_130 AT 0 1980.09.29-23:32:49.416 101.547 ps 60.900 ps 60.934 ps OVRO_130 Atm 1980.09.30-11:03:21.600 Avg: 49.483 ps Rms: 24.147 ps Tot_Rms: 55.060 ps || Nat: 109 Dura: 81660.0 sec Tzd_avg: 6918.2 Tzd_rms: 13.8 Wzd_avg: 222.2 Wzd_rms: 10.7 ps Prs_avg: 88092. Pa Tem_avg: 16.7 C Stm_avg: -11.5 C Stm_rms: 7.1 K Spr_avg: -139. Spr_rms: 117. Pa 395. OVRO_130 NG 1980.09.29-23:31:49.416 -0.007 mm 0.422 mm 0.422 mm 396. OVRO_130 EG 1980.09.29-23:31:49.416 -0.027 mm 0.422 mm 0.422 mm 397. OVRO_130 NG 1980.09.30-07:31:49.416 0.007 mm 0.377 mm 0.377 mm 398. OVRO_130 EG 1980.09.30-07:31:49.416 -0.032 mm 0.377 mm 0.377 mm 399. OVRO_130 NG 1980.09.30-15:31:49.416 -0.008 mm 0.377 mm 0.377 mm 400. OVRO_130 EG 1980.09.30-15:31:49.416 0.037 mm 0.377 mm 0.377 mm 401. OVRO_130 NG 1980.09.30-23:31:49.416 0.005 mm 0.422 mm 0.422 mm 402. OVRO_130 EG 1980.09.30-23:31:49.416 0.040 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 14.61 ps/h NRMS 0.29 share 0.83 count 70 2. HRAS_085 Input 50.00 ps/h RMS 18.19 ps/h NRMS 0.36 share 0.90 count 70 3. ONSALA60 Input 50.00 ps/h RMS 19.17 ps/h NRMS 0.38 share 0.84 count 70 5. OVRO_130 Input 50.00 ps/h RMS 14.01 ps/h NRMS 0.28 share 0.88 count 70 Overall RMS 16.64 ps/h NRMS 0.33 share 0.86 count 280 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.53 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 2.52 D-14 NRMS 0.50 share 0.22 count 24 3. ONSALA60 Input 5.00 D-14 RMS 3.17 D-14 NRMS 0.63 share 0.33 count 24 5. OVRO_130 Input 5.00 D-14 RMS 2.70 D-14 NRMS 0.54 share 0.24 count 24 Overall RMS 2.81 D-14 NRMS 0.56 share 0.27 count 72 403. UT1-TAI 1, 1980.09.30-10:58:00.000 -2.2788 ms/d -91.24 micros/d 93.15 micros/d 93.20 micros/d EOP epoch (TDT) MJD: 44512.457317 NUT epoch (TDT) MJD: 44512.429108 404. Nutation DPSI wrt apriori model 1980.09.30-10:57:49.896 0.349 mas 1098.0 microasec 1098.6 microasec Nutation Dx wrt apriori model 1980.09.30-10:57:49.896 0.137 mas 434.3 microasec 434.6 microasec Nutation DPSI wrt Wahr 1980 model 1980.09.30-10:57:49.896 0.583 mas 1098.0 microasec 1098.6 microasec 405. Nutation DEPS wrt apriori model 1980.09.30-10:57:49.896 0.433 mas 575.9 microasec 576.2 microasec Nutation Dy wrt apriori model 1980.09.30-10:57:49.896 0.433 mas 577.7 microasec 578.1 microasec Nutation DEPS wrt Wahr 1980 model 1980.09.30-10:57:49.896 -1.638 mas 575.9 microasec 576.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0574 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.09.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640986.39 17.19 3135640986.39 17.19 120.52 6.34 -79.12 65.94 HAYSTACK 7205 to ONSALA60 7213 5599714455.60 12.21 5599714455.60 12.21 119.94 8.17 -16.58 42.22 HAYSTACK 7205 to OVRO_130 7207 3928881616.76 10.12 3928881616.76 10.12 -6.34 6.86 -77.85 34.94 HRAS_085 7216 to ONSALA60 7213 7940732113.64 44.06 7940732113.64 44.06 294.07 9.65 44.94 64.01 HRAS_085 7216 to OVRO_130 7207 1508195364.82 10.39 1508195364.82 10.39 3.45 6.95 30.75 63.33 ONSALA60 7213 to OVRO_130 7207 7914130895.04 24.94 7914130895.04 24.94 180.17 10.95 -57.69 46.58 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:38 Correlator type: Unknown Experiment code: mert08 Mark-3 db_name: $80SEP30X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19800930_a Ver 2 mert08 Matrix Condition Number = 4.880453296805464E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 15.5 4.3 1005.0 0.8 64.8 14.7 HRAS_085 MET 15.0 6.1 847.6 0.5 49.7 17.9 ONSALA60 MET 12.2 0.4 1016.0 1.0 62.0 2.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 18.9 9.5 881.6 1.2 3.2 5.6 Run 26091-1733 899 Observation Pairs Available Session started on: 2444513.478700 1980.09.30 23:29:19.680 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 371 48.493 ps 0.85 1.0176 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 393 Number of potentially good observations with QC 5-9: 393 Number of used observations: 371 ( 94.40%) Number of suppressed observations: 22 ( 5.60%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 82 90 55.185 0.86 19800930_a mert08 1980.10.01-10:54:20.1 BAS_STAT HAYSTACK ONSALA60 68 70 42.641 0.83 19800930_a mert08 1980.10.01-10:54:20.1 BAS_STAT HAYSTACK OVRO_130 93 100 40.192 0.82 19800930_a mert08 1980.10.01-10:54:20.1 BAS_STAT HRAS_085 ONSALA60 42 45 84.180 0.92 19800930_a mert08 1980.10.01-10:54:20.1 BAS_STAT HRAS_085 OVRO_130 35 35 46.833 0.84 19800930_a mert08 1980.10.01-10:54:20.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 51 53 52.866 0.88 19800930_a mert08 1980.10.01-10:54:20.1 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19800930_a mert08 HRAS_085 ONSALA85 0/ 0 deselected baseline 19800930_a mert08 ONSALA85 OVRO_130 0/ 0 deselected baseline 19800930_a mert08 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 25 41.044 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 0235+164 J0238+1636 26 27 50 71.752 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 0552+398 J0555+3948 40 41 83 53.527 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 1642+690 J1642+6856 28 36 97 73.113 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 2134+00 J2136+0041 8 9 20 57.319 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 3C273B J1229+0203 4 11 32 18.834 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 3C345 J1642+3948 33 33 91 28.837 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 3C454.3 J2253+1608 19 20 44 47.650 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 4C39.25 J0927+3902 44 44 91 51.035 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: 4C67.05 J0228+6721 14 16 59 91.885 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: NRAO150 J0359+5057 37 37 93 53.656 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: OJ287 J0854+2006 40 40 70 83.019 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: OQ208 J1407+2827 23 23 63 57.553 19800930_a mert08 1980.10.01-10:54:20.160 SRC_STAT: VR422201 J2202+4216 41 42 81 23.382 19800930_a mert08 1980.10.01-10:54:20.160 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.01-10:53:47 1. HAYSTACK 7205 NOAM X Comp 1492404689.10 mm -6.900 mm 6.905 mm 6.965 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266396.48 mm 138.518 mm 20.357 mm 20.535 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881742.68 mm -51.324 mm 15.282 mm 15.415 mm HAYSTACK 7205 U Comp -133.02 mm -133.018 mm 23.426 mm 19.964 mm HAYSTACK 7205 E Comp 37.44 mm 37.436 mm 10.841 mm 9.238 mm HAYSTACK 7205 N Comp 52.67 mm 52.666 mm 5.415 mm 4.614 mm 4. HAYSTACK CL 0 1980.09.30-23:28:47.496 -18724.076 ns 0.158 ns 0.159 ns 5. HAYSTACK CL 1 1980.09.30-23:28:47.496 -130.140 D-14 2.316 D-14 2.336 D-14 6. HAYSTACK CL 2 1980.09.30-23:28:47.496 5.737 D-14/day 2.465 D-14/day 2.487 D-14/day 30. HAYSTACK AT 0 1980.09.30-23:28:47.496 44.224 ps 33.243 ps 33.534 ps HAYSTACK Atm 1980.10.01-10:59:19.680 Avg: 37.315 ps Rms: 35.924 ps Tot_Rms: 51.797 ps || Nat: 140 Dura: 82200.0 sec Tzd_avg: 7930.1 Tzd_rms: 25.5 Wzd_avg: 366.1 Wzd_rms: 30.4 ps Prs_avg: 100504. Pa Tem_avg: 15.5 C Stm_avg: -0.1 C Stm_rms: 1.0 K Spr_avg: 725. Spr_rms: 52. Pa 100. HAYSTACK NG 1980.09.30-23:27:47.496 -0.008 mm 0.422 mm 0.426 mm 101. HAYSTACK EG 1980.09.30-23:27:47.496 0.001 mm 0.421 mm 0.425 mm 102. HAYSTACK NG 1980.10.01-07:27:47.496 0.002 mm 0.377 mm 0.380 mm 103. HAYSTACK EG 1980.10.01-07:27:47.496 0.010 mm 0.376 mm 0.379 mm 104. HAYSTACK NG 1980.10.01-15:27:47.496 -0.002 mm 0.377 mm 0.380 mm 105. HAYSTACK EG 1980.10.01-15:27:47.496 -0.061 mm 0.376 mm 0.379 mm 106. HAYSTACK NG 1980.10.01-23:27:47.496 0.028 mm 0.422 mm 0.426 mm 107. HAYSTACK EG 1980.10.01-23:27:47.496 -0.011 mm 0.422 mm 0.426 mm 108. HRAS_085 7216 NOAM X Comp -1324211082.09 mm -65.087 mm 12.640 mm 12.750 mm 109. HRAS_085 7216 NOAM Y Comp -5332022999.03 mm 82.973 mm 46.810 mm 47.220 mm 110. HRAS_085 7216 NOAM Z Comp 3232118451.60 mm 144.601 mm 29.444 mm 29.702 mm HRAS_085 7216 U Comp 17.90 mm 17.899 mm 55.805 mm 47.557 mm HRAS_085 7216 E Comp -83.17 mm -83.167 mm 5.882 mm 5.012 mm HRAS_085 7216 N Comp 157.46 mm 157.458 mm 8.313 mm 7.085 mm 111. HRAS_085 CL 0 1980.09.30-23:28:47.496 -15545.280 ns 0.417 ns 0.420 ns 112. HRAS_085 CL 1 1980.09.30-23:28:47.496 81.959 D-14 2.376 D-14 2.397 D-14 113. HRAS_085 CL 2 1980.09.30-23:28:47.496 3.594 D-14/day 2.508 D-14/day 2.530 D-14/day 137. HRAS_085 AT 0 1980.09.30-23:28:47.496 73.751 ps 141.851 ps 143.093 ps HRAS_085 Atm 1980.10.01-10:59:19.680 Avg: 60.838 ps Rms: 52.188 ps Tot_Rms: 80.155 ps || Nat: 104 Dura: 82200.0 sec Tzd_avg: 6611.8 Tzd_rms: 21.5 Wzd_avg: 217.4 Wzd_rms: 19.5 ps Prs_avg: 84765. Pa Tem_avg: 14.9 C Stm_avg: -5.0 C Stm_rms: 3.6 K Spr_avg: 582. Spr_rms: 65. Pa 207. HRAS_085 NG 1980.09.30-23:27:47.496 0.018 mm 0.422 mm 0.426 mm 208. HRAS_085 EG 1980.09.30-23:27:47.496 0.004 mm 0.422 mm 0.425 mm 209. HRAS_085 NG 1980.10.01-07:27:47.496 0.011 mm 0.377 mm 0.380 mm 210. HRAS_085 EG 1980.10.01-07:27:47.496 0.019 mm 0.377 mm 0.380 mm 211. HRAS_085 NG 1980.10.01-15:27:47.496 -0.014 mm 0.377 mm 0.380 mm 212. HRAS_085 EG 1980.10.01-15:27:47.496 0.000 mm 0.377 mm 0.380 mm 213. HRAS_085 NG 1980.10.01-23:27:47.496 -0.020 mm 0.422 mm 0.426 mm 214. HRAS_085 EG 1980.10.01-23:27:47.496 -0.001 mm 0.422 mm 0.426 mm 215. ONSALA60 7213 EURA X Comp 3370606010.82 mm 21.824 mm 12.934 mm 13.047 mm 216. ONSALA60 7213 EURA Y Comp 711917319.80 mm -209.198 mm 18.402 mm 18.563 mm 217. ONSALA60 7213 EURA Z Comp 5349830580.10 mm -185.898 mm 23.438 mm 23.643 mm ONSALA60 7213 U Comp -168.39 mm -168.392 mm 22.755 mm 19.392 mm ONSALA60 7213 E Comp -209.19 mm -209.192 mm 17.806 mm 15.174 mm ONSALA60 7213 N Comp -81.74 mm -81.737 mm 14.844 mm 12.650 mm 218. ONSALA60 AT 0 1980.09.30-23:28:47.496 41.529 ps 29.314 ps 29.570 ps ONSALA60 Atm 1980.10.01-10:59:19.680 Avg: 59.374 ps Rms: 41.664 ps Tot_Rms: 72.534 ps || Nat: 123 Dura: 82200.0 sec Tzd_avg: 7860.4 Tzd_rms: 1012.6 Wzd_avg: 314.3 Wzd_rms: 83.8 ps Prs_avg: 101604. Pa Tem_avg: 12.2 C Stm_avg: 0.0 C Stm_rms: 0.7 K Spr_avg: 308. Spr_rms: 408. Pa 288. ONSALA60 NG 1980.09.30-23:27:47.496 -0.015 mm 0.422 mm 0.425 mm 289. ONSALA60 EG 1980.09.30-23:27:47.496 -0.017 mm 0.422 mm 0.426 mm 290. ONSALA60 NG 1980.10.01-07:27:47.496 -0.001 mm 0.376 mm 0.380 mm 291. ONSALA60 EG 1980.10.01-07:27:47.496 -0.045 mm 0.376 mm 0.380 mm 292. ONSALA60 NG 1980.10.01-15:27:47.496 -0.006 mm 0.377 mm 0.380 mm 293. ONSALA60 EG 1980.10.01-15:27:47.496 0.013 mm 0.377 mm 0.380 mm 294. ONSALA60 NG 1980.10.01-23:27:47.496 -0.004 mm 0.422 mm 0.426 mm 295. ONSALA60 EG 1980.10.01-23:27:47.496 0.005 mm 0.422 mm 0.426 mm 296. OVRO_130 7207 NOAM X Comp -2409600836.84 mm 50.164 mm 8.824 mm 8.901 mm 297. OVRO_130 7207 NOAM Y Comp -4478349476.29 mm -12.293 mm 20.615 mm 20.795 mm 298. OVRO_130 7207 NOAM Z Comp 3838603280.62 mm 92.622 mm 17.028 mm 17.177 mm OVRO_130 7207 U Comp 45.73 mm 45.734 mm 26.237 mm 22.359 mm OVRO_130 7207 E Comp 50.00 mm 50.000 mm 6.676 mm 5.689 mm OVRO_130 7207 N Comp 81.58 mm 81.577 mm 7.733 mm 6.590 mm 299. OVRO_130 CL 0 1980.09.30-23:28:47.496 -10709.797 ns 0.224 ns 0.226 ns 300. OVRO_130 CL 1 1980.09.30-23:28:47.496 -164.713 D-14 2.368 D-14 2.389 D-14 301. OVRO_130 CL 2 1980.09.30-23:28:47.496 2.888 D-14/day 2.504 D-14/day 2.526 D-14/day 325. OVRO_130 AT 0 1980.09.30-23:28:47.496 -79.548 ps 51.566 ps 52.018 ps OVRO_130 Atm 1980.10.01-10:59:19.680 Avg: -45.392 ps Rms: 35.554 ps Tot_Rms: 57.659 ps || Nat: 109 Dura: 82200.0 sec Tzd_avg: 6929.3 Tzd_rms: 7.2 Wzd_avg: 232.5 Wzd_rms: 11.6 ps Prs_avg: 88161. Pa Tem_avg: 18.8 C Stm_avg: -9.7 C Stm_rms: 7.0 K Spr_avg: -89. Spr_rms: 114. Pa 395. OVRO_130 NG 1980.09.30-23:27:47.496 -0.009 mm 0.422 mm 0.426 mm 396. OVRO_130 EG 1980.09.30-23:27:47.496 -0.002 mm 0.422 mm 0.425 mm 397. OVRO_130 NG 1980.10.01-07:27:47.496 0.007 mm 0.377 mm 0.380 mm 398. OVRO_130 EG 1980.10.01-07:27:47.496 -0.028 mm 0.377 mm 0.380 mm 399. OVRO_130 NG 1980.10.01-15:27:47.496 0.012 mm 0.377 mm 0.380 mm 400. OVRO_130 EG 1980.10.01-15:27:47.496 0.027 mm 0.376 mm 0.380 mm 401. OVRO_130 NG 1980.10.01-23:27:47.496 -0.002 mm 0.422 mm 0.426 mm 402. OVRO_130 EG 1980.10.01-23:27:47.496 0.010 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 17.33 ps/h NRMS 0.35 share 0.83 count 70 2. HRAS_085 Input 50.00 ps/h RMS 14.20 ps/h NRMS 0.28 share 0.92 count 70 3. ONSALA60 Input 50.00 ps/h RMS 19.82 ps/h NRMS 0.40 share 0.82 count 70 5. OVRO_130 Input 50.00 ps/h RMS 14.88 ps/h NRMS 0.30 share 0.87 count 70 Overall RMS 16.70 ps/h NRMS 0.33 share 0.86 count 280 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 2.12 D-14 NRMS 0.42 share 0.30 count 24 2. HRAS_085 Input 5.00 D-14 RMS 2.40 D-14 NRMS 0.48 share 0.35 count 24 5. OVRO_130 Input 5.00 D-14 RMS 1.11 D-14 NRMS 0.22 share 0.33 count 24 Overall RMS 1.96 D-14 NRMS 0.39 share 0.32 count 72 403. UT1-TAI 1, 1980.10.01-10:54:00.000 -2.1074 ms/d 14.67 micros/d 107.16 micros/d 108.10 micros/d EOP epoch (TDT) MJD: 44513.454539 NUT epoch (TDT) MJD: 44513.391586 404. Nutation DPSI wrt apriori model 1980.10.01-10:53:47.976 -0.500 mas 1254.3 microasec 1265.3 microasec Nutation Dx wrt apriori model 1980.10.01-10:53:47.976 -0.198 mas 496.7 microasec 501.1 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.01-10:53:47.976 -0.045 mas 1254.3 microasec 1265.3 microasec 405. Nutation DEPS wrt apriori model 1980.10.01-10:53:47.976 -0.171 mas 533.3 microasec 537.9 microasec Nutation Dy wrt apriori model 1980.10.01-10:53:47.976 -0.172 mas 535.4 microasec 540.1 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.01-10:53:47.976 -2.498 mas 533.3 microasec 537.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0908 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640984.27 19.64 3135640984.27 19.64 135.63 7.29 -162.66 75.12 HAYSTACK 7205 to ONSALA60 7213 5599714434.85 12.27 5599714434.85 12.27 162.35 9.58 -12.21 31.84 HAYSTACK 7205 to OVRO_130 7207 3928881618.15 9.07 3928881618.15 9.07 -1.64 6.12 -203.57 32.94 HRAS_085 7216 to ONSALA60 7213 7940732130.77 48.71 7940732130.77 48.71 342.94 10.94 131.86 65.44 HRAS_085 7216 to OVRO_130 7207 1508195362.33 11.39 1508195362.33 11.39 7.69 7.78 -10.52 74.74 ONSALA60 7213 to OVRO_130 7207 7914130942.00 21.76 7914130942.00 21.76 204.06 10.69 -185.18 36.93 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:41 Correlator type: Unknown Experiment code: mert09 Mark-3 db_name: $80OCT01X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801001_a Ver 2 mert09 Matrix Condition Number = 1.326193543650237E+08 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 15.6 2.9 1000.0 1.1 44.7 36.6 HRAS_085 MET 14.6 3.1 846.1 0.6 37.1 26.2 ONSALA60 MET 12.4 1.0 1000.5 2.3 82.6 10.5 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 19.5 9.1 881.5 1.0 4.1 5.2 Run 26091-1733 926 Observation Pairs Available Session started on: 2444514.475900 1980.10.01 23:25:17.760 UTC Nominal duration: 82918.080 sec 00 23:01:58.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 237 36.727 ps 0.81 1.0043 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 268 Number of potentially good observations with QC 5-9: 268 Number of used observations: 237 ( 88.43%) Number of suppressed observations: 31 ( 11.57%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 34 45 35.305 0.81 19801001_a mert09 1980.10.02-10:56:16.8 BAS_STAT HAYSTACK ONSALA60 17 17 56.820 0.78 19801001_a mert09 1980.10.02-10:56:16.8 BAS_STAT HAYSTACK OVRO_130 102 115 43.491 0.82 19801001_a mert09 1980.10.02-10:56:16.8 BAS_STAT HRAS_085 ONSALA60 13 14 111.060 0.93 19801001_a mert09 1980.10.02-10:56:16.8 BAS_STAT HRAS_085 OVRO_130 57 60 24.769 0.78 19801001_a mert09 1980.10.02-10:56:16.8 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 14 17 76.058 0.86 19801001_a mert09 1980.10.02-10:56:16.8 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19801001_a mert09 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801001_a mert09 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801001_a mert09 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 24 31.434 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 0235+164 J0238+1636 10 10 44 44.234 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 0552+398 J0555+3948 21 21 81 41.761 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 1642+690 J1642+6856 19 22 85 84.922 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 2134+00 J2136+0041 4 4 24 24.335 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 3C273B J1229+0203 8 26 39 11.441 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 3C345 J1642+3948 39 39 95 35.700 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 3C454.3 J2253+1608 8 9 50 21.688 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 4C39.25 J0927+3902 34 37 98 37.889 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: 4C67.05 J0228+6721 8 9 69 121.935 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: NRAO150 J0359+5057 19 19 102 29.167 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: OJ287 J0854+2006 19 20 72 45.885 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: OQ208 J1407+2827 31 34 68 54.666 19801001_a mert09 1980.10.02-10:56:16.800 SRC_STAT: VR422201 J2202+4216 7 8 75 23.674 19801001_a mert09 1980.10.02-10:56:16.800 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.02-10:55:44 1. HAYSTACK 7205 NOAM X Comp 1492404761.91 mm 65.914 mm 34.285 mm 34.358 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266348.20 mm 186.801 mm 42.640 mm 42.731 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881760.29 mm -33.709 mm 74.918 mm 75.078 mm HAYSTACK 7205 U Comp -137.77 mm -137.768 mm 85.631 mm 69.727 mm HAYSTACK 7205 E Comp 121.81 mm 121.813 mm 24.536 mm 19.979 mm HAYSTACK 7205 N Comp 80.98 mm 80.977 mm 25.914 mm 21.101 mm 4. HAYSTACK CL 0 1980.10.01-23:24:45.576 -18841.518 ns 6.110 ns 6.123 ns 5. HAYSTACK CL 1 1980.10.01-23:24:45.576 -92.335 D-14 18.731 D-14 18.772 D-14 6. HAYSTACK CL 2 1980.10.01-23:24:45.576 -19.503 D-14/day 11.460 D-14/day 11.484 D-14/day 30. HAYSTACK AT 0 1980.10.01-23:24:45.576 166.681 ps 67.610 ps 67.754 ps HAYSTACK Atm 1980.10.02-10:55:17.760 Avg: 158.861 ps Rms: 32.240 ps Tot_Rms: 162.099 ps || Nat: 128 Dura: 82920.0 sec Tzd_avg: 7950.5 Tzd_rms: 52.2 Wzd_avg: 428.6 Wzd_rms: 66.1 ps Prs_avg: 99998. Pa Tem_avg: 15.6 C Stm_avg: -0.5 C Stm_rms: 1.0 K Spr_avg: 744. Spr_rms: 83. Pa 100. HAYSTACK NG 1980.10.01-23:23:45.576 0.009 mm 0.422 mm 0.423 mm 101. HAYSTACK EG 1980.10.01-23:23:45.576 0.017 mm 0.422 mm 0.423 mm 102. HAYSTACK NG 1980.10.02-07:23:45.576 0.004 mm 0.377 mm 0.378 mm 103. HAYSTACK EG 1980.10.02-07:23:45.576 0.033 mm 0.377 mm 0.377 mm 104. HAYSTACK NG 1980.10.02-15:23:45.576 0.000 mm 0.377 mm 0.378 mm 105. HAYSTACK EG 1980.10.02-15:23:45.576 -0.009 mm 0.377 mm 0.378 mm 106. HAYSTACK NG 1980.10.02-23:23:45.576 -0.004 mm 0.422 mm 0.423 mm 107. HAYSTACK EG 1980.10.02-23:23:45.576 0.001 mm 0.422 mm 0.423 mm 108. HRAS_085 7216 NOAM X Comp -1324211045.01 mm -28.007 mm 35.128 mm 35.203 mm 109. HRAS_085 7216 NOAM Y Comp -5332023207.32 mm -125.322 mm 57.726 mm 57.850 mm 110. HRAS_085 7216 NOAM Z Comp 3232118627.48 mm 320.483 mm 77.804 mm 77.971 mm HRAS_085 7216 U Comp 273.77 mm 273.774 mm 80.515 mm 65.560 mm HRAS_085 7216 E Comp 3.03 mm 3.025 mm 41.011 mm 33.394 mm HRAS_085 7216 N Comp 210.33 mm 210.328 mm 49.550 mm 40.347 mm 111. HRAS_085 CL 0 1980.10.01-23:24:45.576 -15480.510 ns 6.149 ns 6.162 ns 112. HRAS_085 CL 1 1980.10.01-23:24:45.576 113.012 D-14 18.801 D-14 18.841 D-14 113. HRAS_085 CL 2 1980.10.01-23:24:45.576 -17.088 D-14/day 11.505 D-14/day 11.530 D-14/day 137. HRAS_085 AT 0 1980.10.01-23:24:45.576 -258.576 ps 153.327 ps 153.655 ps HRAS_085 Atm 1980.10.02-10:55:17.760 Avg: -283.725 ps Rms: 16.851 ps Tot_Rms: 284.225 ps || Nat: 130 Dura: 82920.0 sec Tzd_avg: 6637.3 Tzd_rms: 67.5 Wzd_avg: 242.9 Wzd_rms: 51.9 ps Prs_avg: 84608. Pa Tem_avg: 14.6 C Stm_avg: -5.4 C Stm_rms: 2.4 K Spr_avg: 414. Spr_rms: 177. Pa 207. HRAS_085 NG 1980.10.01-23:23:45.576 0.003 mm 0.422 mm 0.423 mm 208. HRAS_085 EG 1980.10.01-23:23:45.576 -0.020 mm 0.422 mm 0.423 mm 209. HRAS_085 NG 1980.10.02-07:23:45.576 -0.003 mm 0.377 mm 0.377 mm 210. HRAS_085 EG 1980.10.02-07:23:45.576 -0.015 mm 0.377 mm 0.378 mm 211. HRAS_085 NG 1980.10.02-15:23:45.576 -0.015 mm 0.377 mm 0.377 mm 212. HRAS_085 EG 1980.10.02-15:23:45.576 0.013 mm 0.377 mm 0.378 mm 213. HRAS_085 NG 1980.10.02-23:23:45.576 -0.018 mm 0.422 mm 0.423 mm 214. HRAS_085 EG 1980.10.02-23:23:45.576 0.033 mm 0.422 mm 0.423 mm 215. ONSALA60 7213 EURA X Comp 3370605847.11 mm -141.886 mm 100.521 mm 100.737 mm 216. ONSALA60 7213 EURA Y Comp 711917527.35 mm -1.648 mm 109.638 mm 109.873 mm 217. ONSALA60 7213 EURA Z Comp 5349830273.13 mm -492.870 mm 218.507 mm 218.974 mm ONSALA60 7213 U Comp -490.19 mm -490.186 mm 222.962 mm 181.550 mm ONSALA60 7213 E Comp 27.71 mm 27.708 mm 126.748 mm 103.206 mm ONSALA60 7213 N Comp -148.34 mm -148.341 mm 63.977 mm 52.094 mm 218. ONSALA60 AT 0 1980.10.01-23:24:45.576 191.713 ps 166.930 ps 167.287 ps ONSALA60 Atm 1980.10.02-10:55:17.760 Avg: 184.503 ps Rms: 13.620 ps Tot_Rms: 185.005 ps || Nat: 101 Dura: 82920.0 sec Tzd_avg: 7782.3 Tzd_rms: 778.6 Wzd_avg: 265.9 Wzd_rms: 34.2 ps Prs_avg: 100065. Pa Tem_avg: 12.3 C Stm_avg: -0.2 C Stm_rms: 0.5 K Spr_avg: -173. Spr_rms: 545. Pa 288. ONSALA60 NG 1980.10.01-23:23:45.576 0.000 mm 0.422 mm 0.423 mm 289. ONSALA60 EG 1980.10.01-23:23:45.576 -0.000 mm 0.422 mm 0.423 mm 290. ONSALA60 NG 1980.10.02-07:23:45.576 0.001 mm 0.377 mm 0.378 mm 291. ONSALA60 EG 1980.10.02-07:23:45.576 -0.000 mm 0.377 mm 0.378 mm 292. ONSALA60 NG 1980.10.02-15:23:45.576 0.002 mm 0.377 mm 0.378 mm 293. ONSALA60 EG 1980.10.02-15:23:45.576 -0.001 mm 0.377 mm 0.378 mm 294. ONSALA60 NG 1980.10.02-23:23:45.576 0.003 mm 0.422 mm 0.423 mm 295. ONSALA60 EG 1980.10.02-23:23:45.576 0.001 mm 0.422 mm 0.423 mm 296. OVRO_130 7207 NOAM X Comp -2409600783.02 mm 103.979 mm 34.393 mm 34.467 mm 297. OVRO_130 7207 NOAM Y Comp -4478349523.83 mm -59.831 mm 41.342 mm 41.430 mm 298. OVRO_130 7207 NOAM Z Comp 3838603394.10 mm 206.095 mm 73.954 mm 74.112 mm OVRO_130 7207 U Comp 127.42 mm 127.419 mm 62.009 mm 50.492 mm OVRO_130 7207 E Comp 119.92 mm 119.915 mm 46.143 mm 37.572 mm OVRO_130 7207 N Comp 162.02 mm 162.023 mm 48.856 mm 39.782 mm 299. OVRO_130 CL 0 1980.10.01-23:24:45.576 -10858.642 ns 6.125 ns 6.138 ns 300. OVRO_130 CL 1 1980.10.01-23:24:45.576 -132.391 D-14 18.740 D-14 18.780 D-14 301. OVRO_130 CL 2 1980.10.01-23:24:45.576 -20.450 D-14/day 11.436 D-14/day 11.460 D-14/day 325. OVRO_130 AT 0 1980.10.01-23:24:45.576 -161.153 ps 71.597 ps 71.750 ps OVRO_130 Atm 1980.10.02-10:55:17.760 Avg: -118.206 ps Rms: 31.890 ps Tot_Rms: 122.432 ps || Nat: 126 Dura: 82920.0 sec Tzd_avg: 6939.6 Tzd_rms: 14.1 Wzd_avg: 233.9 Wzd_rms: 12.2 ps Prs_avg: 88148. Pa Tem_avg: 19.6 C Stm_avg: -8.4 C Stm_rms: 6.2 K Spr_avg: -218. Spr_rms: 127. Pa 395. OVRO_130 NG 1980.10.01-23:23:45.576 -0.005 mm 0.422 mm 0.423 mm 396. OVRO_130 EG 1980.10.01-23:23:45.576 0.016 mm 0.422 mm 0.423 mm 397. OVRO_130 NG 1980.10.02-07:23:45.576 -0.004 mm 0.377 mm 0.378 mm 398. OVRO_130 EG 1980.10.02-07:23:45.576 -0.009 mm 0.377 mm 0.377 mm 399. OVRO_130 NG 1980.10.02-15:23:45.576 0.019 mm 0.377 mm 0.378 mm 400. OVRO_130 EG 1980.10.02-15:23:45.576 0.005 mm 0.377 mm 0.377 mm 401. OVRO_130 NG 1980.10.02-23:23:45.576 0.023 mm 0.422 mm 0.423 mm 402. OVRO_130 EG 1980.10.02-23:23:45.576 -0.030 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 17.50 ps/h NRMS 0.35 share 0.86 count 70 2. HRAS_085 Input 50.00 ps/h RMS 8.72 ps/h NRMS 0.17 share 0.93 count 70 3. ONSALA60 Input 50.00 ps/h RMS 8.43 ps/h NRMS 0.17 share 0.94 count 70 5. OVRO_130 Input 50.00 ps/h RMS 14.07 ps/h NRMS 0.28 share 0.88 count 70 Overall RMS 12.76 ps/h NRMS 0.26 share 0.90 count 280 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.00 mm/d NRMS 0.00 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 1.58 D-14 NRMS 0.32 share 0.46 count 24 2. HRAS_085 Input 5.00 D-14 RMS 1.73 D-14 NRMS 0.35 share 0.63 count 24 5. OVRO_130 Input 5.00 D-14 RMS 1.61 D-14 NRMS 0.32 share 0.46 count 24 Overall RMS 1.64 D-14 NRMS 0.33 share 0.52 count 72 403. UT1-TAI 1, 1980.10.02-10:56:00.000 -2.0039 ms/d 128.18 micros/d 222.52 micros/d 223.00 micros/d EOP epoch (TDT) MJD: 44514.455928 NUT epoch (TDT) MJD: 44514.586809 404. Nutation DPSI wrt apriori model 1980.10.02-10:55:44.616 2.031 mas 1727.6 microasec 1731.3 microasec Nutation Dx wrt apriori model 1980.10.02-10:55:44.616 0.817 mas 683.4 microasec 684.9 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.02-10:55:44.616 2.557 mas 1727.6 microasec 1731.3 microasec 405. Nutation DEPS wrt apriori model 1980.10.02-10:55:44.616 -2.213 mas 901.3 microasec 903.2 microasec Nutation Dy wrt apriori model 1980.10.02-10:55:44.616 -2.209 mas 904.3 microasec 906.2 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.02-10:55:44.616 -4.678 mas 901.3 microasec 903.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1331 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641034.20 19.17 3135641034.20 19.17 125.30 7.15 -461.93 74.83 HAYSTACK 7205 to ONSALA60 7213 5599714441.50 45.93 5599714441.50 45.93 94.34 41.98 414.40 346.44 HAYSTACK 7205 to OVRO_130 7207 3928881626.36 10.27 3928881626.36 10.27 5.49 6.68 -340.00 42.65 HRAS_085 7216 to ONSALA60 7213 7940732199.80 71.15 7940732199.80 71.15 205.28 57.03 782.00 347.42 HRAS_085 7216 to OVRO_130 7207 1508195416.19 11.05 1508195416.19 11.05 18.53 5.30 153.79 68.95 ONSALA60 7213 to OVRO_130 7207 7914130870.13 67.98 7914130870.13 67.98 32.59 90.31 -689.76 333.54 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:44 Correlator type: Unknown Experiment code: mert10 Mark-3 db_name: $80OCT02X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801002_a Ver 2 mert10 Matrix Condition Number = 2.103358787949208E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 14.2 0.9 996.4 0.4 83.4 6.5 HRAS_085 MET 11.5 3.5 850.9 0.7 66.4 11.1 ONSALA60 MET 8.2 1.7 1014.4 0.2 60.8 0.2 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 19.9 9.3 880.6 0.5 3.8 2.7 Run 26091-1733 511 Observation Pairs Available Session started on: 2444515.473100 1980.10.02 23:21:15.840 UTC Nominal duration: 76386.240 sec 00 21:13:06.240 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 338 45.349 ps 0.86 0.9889 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 355 Number of potentially good observations with QC 5-9: 355 Number of used observations: 338 ( 95.21%) Number of suppressed observations: 17 ( 4.79%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 91 98 45.227 0.85 19801002_a mert10 1980.10.03-09:57:48.9 BAS_STAT HAYSTACK ONSALA60 30 30 56.684 0.89 19801002_a mert10 1980.10.03-09:57:48.9 BAS_STAT HAYSTACK OVRO_130 81 86 50.623 0.88 19801002_a mert10 1980.10.03-09:57:48.9 BAS_STAT HRAS_085 ONSALA60 19 23 25.487 0.63 19801002_a mert10 1980.10.03-09:57:48.9 BAS_STAT HRAS_085 OVRO_130 87 88 40.514 0.86 19801002_a mert10 1980.10.03-09:57:48.9 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 30 30 63.924 0.89 19801002_a mert10 1980.10.03-09:57:48.9 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19801002_a mert10 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801002_a mert10 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801002_a mert10 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 20 20 31 40.963 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 0235+164 J0238+1636 26 30 42 45.804 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 0552+398 J0555+3948 21 21 21 45.155 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 1642+690 J1642+6856 25 29 56 111.233 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 2134+00 J2136+0041 16 17 27 51.611 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 3C273B J1229+0203 1 4 5 48.063 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 3C345 J1642+3948 37 37 57 32.225 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 3C454.3 J2253+1608 32 32 53 42.384 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 4C39.25 J0927+3902 20 20 20 53.350 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: 4C67.05 J0228+6721 24 28 40 130.817 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: NRAO150 J0359+5057 35 35 46 36.425 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: OJ287 J0854+2006 19 20 21 61.182 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: OQ208 J1407+2827 7 7 7 52.360 19801002_a mert10 1980.10.03-09:57:48.960 SRC_STAT: VR422201 J2202+4216 55 55 85 34.428 19801002_a mert10 1980.10.03-09:57:48.960 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.03-09:57:16 1. HAYSTACK 7205 NOAM X Comp 1492404702.28 mm 6.278 mm 10.710 mm 10.650 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266379.02 mm 155.984 mm 19.374 mm 19.266 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881743.46 mm -50.536 mm 16.970 mm 16.875 mm HAYSTACK 7205 U Comp -141.59 mm -141.592 mm 23.974 mm 20.545 mm HAYSTACK 7205 E Comp 55.48 mm 55.478 mm 12.834 mm 10.998 mm HAYSTACK 7205 N Comp 61.63 mm 61.628 mm 6.207 mm 5.319 mm 4. HAYSTACK CL 0 1980.10.02-23:20:43.656 -18938.789 ns 0.227 ns 0.226 ns 5. HAYSTACK CL 1 1980.10.02-23:20:43.656 -124.474 D-14 3.142 D-14 3.125 D-14 6. HAYSTACK CL 2 1980.10.02-23:20:43.656 6.693 D-14/day 7.887 D-14/day 7.843 D-14/day 29. HAYSTACK AT 0 1980.10.02-23:20:43.656 86.573 ps 41.050 ps 40.822 ps HAYSTACK Atm 1980.10.03-10:21:15.840 Avg: 40.255 ps Rms: 47.433 ps Tot_Rms: 62.212 ps || Nat: 114 Dura: 76380.0 sec Tzd_avg: 8100.9 Tzd_rms: 26.4 Wzd_avg: 592.8 Wzd_rms: 23.1 ps Prs_avg: 99662. Pa Tem_avg: 14.4 C Stm_avg: -0.8 C Stm_rms: 1.2 K Spr_avg: 518. Spr_rms: 66. Pa 96. HAYSTACK NG 1980.10.02-23:19:43.656 -0.011 mm 0.422 mm 0.420 mm 97. HAYSTACK EG 1980.10.02-23:19:43.656 0.013 mm 0.422 mm 0.419 mm 98. HAYSTACK NG 1980.10.03-07:19:43.656 -0.014 mm 0.377 mm 0.375 mm 99. HAYSTACK EG 1980.10.03-07:19:43.656 -0.021 mm 0.377 mm 0.375 mm 100. HAYSTACK NG 1980.10.03-15:19:43.656 0.004 mm 0.377 mm 0.375 mm 101. HAYSTACK EG 1980.10.03-15:19:43.656 -0.003 mm 0.377 mm 0.375 mm 102. HAYSTACK NG 1980.10.03-23:19:43.656 -0.003 mm 0.422 mm 0.420 mm 103. HAYSTACK EG 1980.10.03-23:19:43.656 0.013 mm 0.422 mm 0.420 mm 104. HRAS_085 7216 NOAM X Comp -1324211076.95 mm -59.951 mm 12.488 mm 12.418 mm 105. HRAS_085 7216 NOAM Y Comp -5332023069.15 mm 12.851 mm 34.908 mm 34.714 mm 106. HRAS_085 7216 NOAM Z Comp 3232118491.63 mm 184.632 mm 25.874 mm 25.730 mm HRAS_085 7216 U Comp 95.79 mm 95.789 mm 42.502 mm 36.422 mm HRAS_085 7216 E Comp -61.28 mm -61.282 mm 11.422 mm 9.788 mm HRAS_085 7216 N Comp 157.85 mm 157.853 mm 10.347 mm 8.867 mm 107. HRAS_085 CL 0 1980.10.02-23:20:43.656 -15400.050 ns 0.367 ns 0.365 ns 108. HRAS_085 CL 1 1980.10.02-23:20:43.656 83.879 D-14 3.214 D-14 3.197 D-14 109. HRAS_085 CL 2 1980.10.02-23:20:43.656 5.491 D-14/day 7.888 D-14/day 7.844 D-14/day 132. HRAS_085 AT 0 1980.10.02-23:20:43.656 -4.656 ps 99.139 ps 98.588 ps HRAS_085 Atm 1980.10.03-10:21:15.840 Avg: -11.088 ps Rms: 29.915 ps Tot_Rms: 31.904 ps || Nat: 113 Dura: 76380.0 sec Tzd_avg: 6704.5 Tzd_rms: 25.0 Wzd_avg: 285.3 Wzd_rms: 27.5 ps Prs_avg: 85122. Pa Tem_avg: 12.0 C Stm_avg: -2.8 C Stm_rms: 1.8 K Spr_avg: 582. Spr_rms: 61. Pa 199. HRAS_085 NG 1980.10.02-23:19:43.656 -0.023 mm 0.422 mm 0.420 mm 200. HRAS_085 EG 1980.10.02-23:19:43.656 -0.001 mm 0.421 mm 0.419 mm 201. HRAS_085 NG 1980.10.03-07:19:43.656 0.040 mm 0.377 mm 0.375 mm 202. HRAS_085 EG 1980.10.03-07:19:43.656 0.028 mm 0.377 mm 0.375 mm 203. HRAS_085 NG 1980.10.03-15:19:43.656 0.013 mm 0.377 mm 0.375 mm 204. HRAS_085 EG 1980.10.03-15:19:43.656 -0.011 mm 0.376 mm 0.374 mm 205. HRAS_085 NG 1980.10.03-23:19:43.656 -0.001 mm 0.422 mm 0.420 mm 206. HRAS_085 EG 1980.10.03-23:19:43.656 -0.014 mm 0.422 mm 0.420 mm 207. ONSALA60 7213 EURA X Comp 3370605972.98 mm -16.019 mm 27.032 mm 26.882 mm 208. ONSALA60 7213 EURA Y Comp 711917374.69 mm -154.308 mm 27.662 mm 27.509 mm 209. ONSALA60 7213 EURA Z Comp 5349830547.33 mm -218.670 mm 40.357 mm 40.133 mm ONSALA60 7213 U Comp -209.84 mm -209.838 mm 42.354 mm 36.295 mm ONSALA60 7213 E Comp -147.67 mm -147.666 mm 30.287 mm 25.954 mm ONSALA60 7213 N Comp -77.76 mm -77.760 mm 20.333 mm 17.424 mm 210. ONSALA60 AT 0 1980.10.02-23:20:43.656 11.021 ps 38.445 ps 38.232 ps ONSALA60 Atm 1980.10.03-10:21:15.840 Avg: 68.074 ps Rms: 15.372 ps Tot_Rms: 69.788 ps || Nat: 39 Dura: 28440.0 sec Tzd_avg: 7687.0 Tzd_rms: 1247.3 Wzd_avg: 203.4 Wzd_rms: 37.4 ps Prs_avg: 101440. Pa Tem_avg: 8.1 C Stm_avg: -2.5 C Stm_rms: 1.5 K Spr_avg: 54. Spr_rms: 124. Pa 277. ONSALA60 NG 1980.10.02-23:19:43.656 0.034 mm 0.422 mm 0.420 mm 278. ONSALA60 EG 1980.10.02-23:19:43.656 -0.025 mm 0.422 mm 0.420 mm 279. ONSALA60 NG 1980.10.03-07:19:43.656 -0.010 mm 0.377 mm 0.375 mm 280. ONSALA60 EG 1980.10.03-07:19:43.656 -0.026 mm 0.377 mm 0.375 mm 281. ONSALA60 NG 1980.10.03-15:19:43.656 -0.003 mm 0.377 mm 0.375 mm 282. ONSALA60 EG 1980.10.03-15:19:43.656 -0.008 mm 0.377 mm 0.375 mm 283. ONSALA60 NG 1980.10.03-23:19:43.656 -0.001 mm 0.422 mm 0.420 mm 284. ONSALA60 EG 1980.10.03-23:19:43.656 -0.003 mm 0.422 mm 0.420 mm 285. OVRO_130 7207 NOAM X Comp -2409600817.31 mm 69.693 mm 10.186 mm 10.130 mm 286. OVRO_130 7207 NOAM Y Comp -4478349478.53 mm -14.527 mm 18.829 mm 18.724 mm 287. OVRO_130 7207 NOAM Z Comp 3838603272.57 mm 84.573 mm 20.803 mm 20.688 mm OVRO_130 7207 U Comp 35.06 mm 35.064 mm 24.416 mm 20.923 mm OVRO_130 7207 E Comp 68.26 mm 68.256 mm 12.305 mm 10.544 mm OVRO_130 7207 N Comp 79.58 mm 79.576 mm 11.980 mm 10.266 mm 288. OVRO_130 CL 0 1980.10.02-23:20:43.656 -10992.017 ns 0.268 ns 0.267 ns 289. OVRO_130 CL 1 1980.10.02-23:20:43.656 -165.170 D-14 3.351 D-14 3.332 D-14 290. OVRO_130 CL 2 1980.10.02-23:20:43.656 1.669 D-14/day 8.194 D-14/day 8.149 D-14/day 313. OVRO_130 AT 0 1980.10.02-23:20:43.656 11.722 ps 40.730 ps 40.504 ps OVRO_130 Atm 1980.10.03-10:21:15.840 Avg: -49.938 ps Rms: 31.248 ps Tot_Rms: 58.909 ps || Nat: 90 Dura: 53580.0 sec Tzd_avg: 6956.1 Tzd_rms: 20.8 Wzd_avg: 259.9 Wzd_rms: 15.8 ps Prs_avg: 88068. Pa Tem_avg: 17.5 C Stm_avg: -9.6 C Stm_rms: 6.0 K Spr_avg: -185. Spr_rms: 98. Pa 380. OVRO_130 NG 1980.10.02-23:19:43.656 0.017 mm 0.422 mm 0.420 mm 381. OVRO_130 EG 1980.10.02-23:19:43.656 -0.018 mm 0.421 mm 0.419 mm 382. OVRO_130 NG 1980.10.03-07:19:43.656 -0.010 mm 0.377 mm 0.375 mm 383. OVRO_130 EG 1980.10.03-07:19:43.656 0.010 mm 0.377 mm 0.375 mm 384. OVRO_130 NG 1980.10.03-15:19:43.656 0.008 mm 0.377 mm 0.375 mm 385. OVRO_130 EG 1980.10.03-15:19:43.656 0.043 mm 0.377 mm 0.374 mm 386. OVRO_130 NG 1980.10.03-23:19:43.656 0.003 mm 0.422 mm 0.420 mm 387. OVRO_130 EG 1980.10.03-23:19:43.656 0.015 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 20.42 ps/h NRMS 0.41 share 0.85 count 67 2. HRAS_085 Input 50.00 ps/h RMS 16.57 ps/h NRMS 0.33 share 0.89 count 67 3. ONSALA60 Input 50.00 ps/h RMS 13.02 ps/h NRMS 0.26 share 0.88 count 67 5. OVRO_130 Input 50.00 ps/h RMS 12.40 ps/h NRMS 0.25 share 0.88 count 67 Overall RMS 15.93 ps/h NRMS 0.32 share 0.88 count 268 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 1.12 D-14 NRMS 0.22 share 0.45 count 23 2. HRAS_085 Input 5.00 D-14 RMS 1.33 D-14 NRMS 0.27 share 0.45 count 23 5. OVRO_130 Input 5.00 D-14 RMS 0.70 D-14 NRMS 0.14 share 0.56 count 23 Overall RMS 1.08 D-14 NRMS 0.22 share 0.49 count 69 388. UT1-TAI 1, 1980.10.03-09:57:00.000 -1.8438 ms/d 339.43 micros/d 210.41 micros/d 209.25 micros/d EOP epoch (TDT) MJD: 44515.414956 NUT epoch (TDT) MJD: 44515.264185 389. Nutation DPSI wrt apriori model 1980.10.03-09:57:16.776 -0.845 mas 1612.8 microasec 1603.8 microasec Nutation Dx wrt apriori model 1980.10.03-09:57:16.776 -0.333 mas 638.2 microasec 634.7 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.03-09:57:16.776 -0.307 mas 1612.8 microasec 1603.8 microasec 390. Nutation DEPS wrt apriori model 1980.10.03-09:57:16.776 -0.783 mas 781.4 microasec 777.1 microasec Nutation Dy wrt apriori model 1980.10.03-09:57:16.776 -0.784 mas 784.2 microasec 779.8 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.03-09:57:16.776 -3.234 mas 781.4 microasec 777.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0644 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641002.60 14.00 3135641002.60 14.00 119.70 6.49 -255.86 60.07 HAYSTACK 7205 to ONSALA60 7213 5599714445.97 21.01 5599714445.97 21.01 128.74 22.29 50.05 60.03 HAYSTACK 7205 to OVRO_130 7207 3928881612.98 8.78 3928881612.98 8.78 -21.99 8.12 -211.68 37.66 HRAS_085 7216 to ONSALA60 7213 7940732181.10 39.73 7940732181.10 39.73 283.95 27.40 261.34 78.94 HRAS_085 7216 to OVRO_130 7207 1508195371.07 8.93 1508195371.07 8.93 1.12 5.82 73.19 49.93 ONSALA60 7213 to OVRO_130 7207 7914130932.84 27.07 7914130932.84 27.07 136.27 31.10 -235.06 67.33 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:47 Correlator type: Unknown Experiment code: mert11 Mark-3 db_name: $80OCT16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801016_a Ver 2 mert11 Matrix Condition Number = 3.570654589119812E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- CHLBOLTN: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms CHLBOLTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 13.2 3.1 1010.5 1.1 66.2 5.4 HRAS_085 MET 13.0 4.0 840.8 2.0 26.5 4.5 ONSALA60 MET 8.3 2.2 998.9 4.9 88.7 1.4 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 7.1 5.0 877.4 2.6 21.5 0.7 Run 26091-1733 1402 Observation Pairs Available Session started on: 2444529.339100 1980.10.16 20:08:18.240 UTC Nominal duration: 90417.600 sec 01 01:06:57.600 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 261 32.060 ps 0.81 1.0000 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 281 Number of potentially good observations with QC 5-9: 281 Number of used observations: 261 ( 92.88%) Number of suppressed observations: 20 ( 7.12%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 83 92 36.795 0.84 19801016_a mert11 1980.10.17-08:41:47.0 BAS_STAT HAYSTACK OVRO_130 84 91 31.658 0.79 19801016_a mert11 1980.10.17-08:41:47.0 BAS_STAT HRAS_085 OVRO_130 94 98 29.228 0.81 19801016_a mert11 1980.10.17-08:41:47.0 BAS_STAT ONSALA60-ONSALA85 No Data Not included: CHLBOLTN HAYSTACK 0/ 0 deselected baseline 19801016_a mert11 CHLBOLTN HRAS_085 0/ 0 deselected baseline 19801016_a mert11 CHLBOLTN ONSALA60 0/ 0 deselected baseline 19801016_a mert11 CHLBOLTN ONSALA85 0/ 0 deselected baseline 19801016_a mert11 CHLBOLTN OVRO_130 0/ 0 deselected baseline 19801016_a mert11 HAYSTACK ONSALA60 0/ 0 deselected baseline 19801016_a mert11 HAYSTACK ONSALA85 0/ 0 deselected baseline 19801016_a mert11 HRAS_085 ONSALA60 0/ 0 deselected baseline 19801016_a mert11 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801016_a mert11 ONSALA60 OVRO_130 0/ 0 deselected baseline 19801016_a mert11 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801016_a mert11 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 34 24.034 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 0235+164 J0238+1636 16 16 83 59.249 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 0552+398 J0555+3948 24 24 126 26.550 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 1642+690 J1642+6856 33 35 184 58.139 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 2134+00 J2136+0041 8 11 39 44.145 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 3C273B J1229+0203 5 9 42 8.228 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 3C345 J1642+3948 31 31 158 23.386 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 3C454.3 J2253+1608 14 15 61 34.469 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 4C39.25 J0927+3902 27 28 128 36.525 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: 4C67.05 J0228+6721 12 15 93 66.414 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: NRAO150 J0359+5057 24 24 145 23.179 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: OJ287 J0854+2006 20 20 99 69.984 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: OQ208 J1407+2827 9 12 76 34.795 19801016_a mert11 1980.10.17-08:41:47.040 SRC_STAT: VR422201 J2202+4216 27 30 134 22.183 19801016_a mert11 1980.10.17-08:41:47.040 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.17-08:41:14 1. HAYSTACK 7205 NOAM X Comp 1492404701.34 mm 5.342 mm 6.275 mm 6.275 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266422.06 mm 112.938 mm 22.654 mm 22.655 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881656.18 mm -137.824 mm 17.666 mm 17.666 mm HAYSTACK 7205 U Comp -170.89 mm -170.886 mm 26.616 mm 21.685 mm HAYSTACK 7205 E Comp 40.92 mm 40.923 mm 11.658 mm 9.498 mm HAYSTACK 7205 N Comp -30.04 mm -30.041 mm 4.510 mm 3.674 mm 4. HAYSTACK CL 0 1980.10.16-20:07:46.056 -7972.344 ns 0.210 ns 0.210 ns 5. HAYSTACK CL 1 1980.10.16-20:07:46.056 102.551 D-14 5.256 D-14 5.256 D-14 6. HAYSTACK CL 2 1980.10.16-20:07:46.056 -11.837 D-14/day 26.156 D-14/day 26.156 D-14/day 7. HAYSTACK BR 0 1980.10.17-00:13:55.632 0.139 ns 0.047 ns 0.047 ns 8. HAYSTACK BR 1 1980.10.17-00:13:55.632 -4.666 D-14 5.507 D-14 5.508 D-14 9. HAYSTACK BR 2 1980.10.17-00:13:55.632 19.418 D-14/day 26.283 D-14/day 26.283 D-14/day 36. HAYSTACK AT 0 1980.10.16-20:07:46.056 -43.390 ps 76.445 ps 76.446 ps HAYSTACK Atm 1980.10.17-09:08:18.240 Avg: 30.682 ps Rms: 53.792 ps Tot_Rms: 61.927 ps || Nat: 143 Dura: 88380.0 sec Tzd_avg: 8146.9 Tzd_rms: 55.8 Wzd_avg: 541.3 Wzd_rms: 62.1 ps Prs_avg: 101048. Pa Tem_avg: 13.3 C Stm_avg: -0.6 C Stm_rms: 1.6 K Spr_avg: 643. Spr_rms: 48. Pa 115. HAYSTACK NG 1980.10.16-20:06:46.056 0.001 mm 0.422 mm 0.422 mm 116. HAYSTACK EG 1980.10.16-20:06:46.056 -0.009 mm 0.422 mm 0.422 mm 117. HAYSTACK NG 1980.10.17-04:06:46.056 0.008 mm 0.377 mm 0.377 mm 118. HAYSTACK EG 1980.10.17-04:06:46.056 -0.008 mm 0.377 mm 0.377 mm 119. HAYSTACK NG 1980.10.17-12:06:46.056 0.036 mm 0.377 mm 0.377 mm 120. HAYSTACK EG 1980.10.17-12:06:46.056 -0.015 mm 0.376 mm 0.376 mm 121. HAYSTACK NG 1980.10.17-20:06:46.056 0.024 mm 0.422 mm 0.422 mm 122. HAYSTACK EG 1980.10.17-20:06:46.056 0.011 mm 0.422 mm 0.422 mm 123. HRAS_085 7216 NOAM X Comp -1324211074.35 mm -57.350 mm 7.500 mm 7.500 mm 124. HRAS_085 7216 NOAM Y Comp -5332023112.16 mm -30.159 mm 30.428 mm 30.428 mm 125. HRAS_085 7216 NOAM Z Comp 3232118411.74 mm 104.741 mm 18.509 mm 18.509 mm HRAS_085 7216 U Comp 90.45 mm 90.453 mm 36.014 mm 29.342 mm HRAS_085 7216 E Comp -48.39 mm -48.390 mm 3.832 mm 3.122 mm HRAS_085 7216 N Comp 68.16 mm 68.161 mm 3.604 mm 2.936 mm 126. HRAS_085 CL 0 1980.10.16-20:07:46.056 -986.257 ns 0.265 ns 0.265 ns 127. HRAS_085 CL 1 1980.10.16-20:07:46.056 236.188 D-14 3.980 D-14 3.980 D-14 128. HRAS_085 CL 2 1980.10.16-20:07:46.056 -8.491 D-14/day 11.895 D-14/day 11.896 D-14/day 129. HRAS_085 BR 0 1980.10.17-02:58:55.632 0.013 ns 0.071 ns 0.071 ns 130. HRAS_085 BR 1 1980.10.17-02:58:55.632 2.097 D-14 4.936 D-14 4.937 D-14 131. HRAS_085 BR 2 1980.10.17-02:58:55.632 12.859 D-14/day 13.840 D-14/day 13.840 D-14/day 132. HRAS_085 BR 0 1980.10.17-12:28:55.632 0.115 ns 0.091 ns 0.091 ns 133. HRAS_085 BR 1 1980.10.17-12:28:55.632 1.364 D-14 5.090 D-14 5.090 D-14 134. HRAS_085 BR 2 1980.10.17-12:28:55.632 25.119 D-14/day 31.868 D-14/day 31.869 D-14/day 135. HRAS_085 BR 0 1980.10.17-16:43:55.632 0.007 ns 0.233 ns 0.233 ns 136. HRAS_085 BR 1 1980.10.17-16:43:55.632 -6.289 D-14 8.833 D-14 8.833 D-14 137. HRAS_085 BR 2 1980.10.17-16:43:55.632 -48.316 D-14/day 36.244 D-14/day 36.245 D-14/day 164. HRAS_085 AT 0 1980.10.16-20:07:46.056 -55.095 ps 106.697 ps 106.699 ps HRAS_085 Atm 1980.10.17-09:08:18.240 Avg: -13.389 ps Rms: 48.953 ps Tot_Rms: 50.751 ps || Nat: 113 Dura: 89460.0 sec Tzd_avg: 6603.1 Tzd_rms: 23.2 Wzd_avg: 257.6 Wzd_rms: 27.4 ps Prs_avg: 84087. Pa Tem_avg: 13.0 C Stm_avg: -2.1 C Stm_rms: 2.6 K Spr_avg: 530. Spr_rms: 68. Pa 243. HRAS_085 NG 1980.10.16-20:06:46.056 0.032 mm 0.422 mm 0.422 mm 244. HRAS_085 EG 1980.10.16-20:06:46.056 0.005 mm 0.421 mm 0.421 mm 245. HRAS_085 NG 1980.10.17-04:06:46.056 0.059 mm 0.376 mm 0.376 mm 246. HRAS_085 EG 1980.10.17-04:06:46.056 -0.009 mm 0.377 mm 0.377 mm 247. HRAS_085 NG 1980.10.17-12:06:46.056 -0.021 mm 0.377 mm 0.377 mm 248. HRAS_085 EG 1980.10.17-12:06:46.056 0.019 mm 0.376 mm 0.376 mm 249. HRAS_085 NG 1980.10.17-20:06:46.056 -0.030 mm 0.422 mm 0.422 mm 250. HRAS_085 EG 1980.10.17-20:06:46.056 0.002 mm 0.421 mm 0.421 mm 251. OVRO_130 7207 NOAM X Comp -2409600834.99 mm 52.009 mm 6.071 mm 6.072 mm 252. OVRO_130 7207 NOAM Y Comp -4478349546.78 mm -82.779 mm 16.512 mm 16.512 mm 253. OVRO_130 7207 NOAM Z Comp 3838603221.08 mm 33.083 mm 12.040 mm 12.040 mm OVRO_130 7207 U Comp 58.44 mm 58.436 mm 20.154 mm 16.421 mm OVRO_130 7207 E Comp 85.02 mm 85.022 mm 5.395 mm 4.396 mm OVRO_130 7207 N Comp -2.85 mm -2.855 mm 4.377 mm 3.566 mm 254. OVRO_130 AT 0 1980.10.16-20:07:46.056 16.514 ps 59.243 ps 59.244 ps OVRO_130 Atm 1980.10.17-09:08:18.240 Avg: -3.551 ps Rms: 11.484 ps Tot_Rms: 12.020 ps || Nat: 112 Dura: 89460.0 sec Tzd_avg: 6853.1 Tzd_rms: 9.7 Wzd_avg: 180.7 Wzd_rms: 13.9 ps Prs_avg: 87750. Pa Tem_avg: 7.0 C Stm_avg: 0.1 C Stm_rms: 3.5 K Spr_avg: -147. Spr_rms: 24. Pa 333. OVRO_130 NG 1980.10.16-20:06:46.056 -0.014 mm 0.422 mm 0.422 mm 334. OVRO_130 EG 1980.10.16-20:06:46.056 -0.001 mm 0.421 mm 0.421 mm 335. OVRO_130 NG 1980.10.17-04:06:46.056 -0.032 mm 0.377 mm 0.377 mm 336. OVRO_130 EG 1980.10.17-04:06:46.056 0.011 mm 0.376 mm 0.376 mm 337. OVRO_130 NG 1980.10.17-12:06:46.056 0.031 mm 0.377 mm 0.377 mm 338. OVRO_130 EG 1980.10.17-12:06:46.056 -0.003 mm 0.376 mm 0.376 mm 339. OVRO_130 NG 1980.10.17-20:06:46.056 0.017 mm 0.422 mm 0.422 mm 340. OVRO_130 EG 1980.10.17-20:06:46.056 -0.022 mm 0.421 mm 0.421 mm Atmosphere Constraint Statistics 2. HAYSTACK Input 50.00 ps/h RMS 18.55 ps/h NRMS 0.37 share 0.88 count 79 3. HRAS_085 Input 50.00 ps/h RMS 17.57 ps/h NRMS 0.35 share 0.90 count 79 6. OVRO_130 Input 50.00 ps/h RMS 16.57 ps/h NRMS 0.33 share 0.86 count 79 Overall RMS 17.58 ps/h NRMS 0.35 share 0.88 count 237 Gradient Constraint Statistics 2. HAYSTACK Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.04 share 0.54 count 24 Clock Constraint Statistics 2. HAYSTACK Input 5.00 D-14 RMS 1.49 D-14 NRMS 0.30 share 0.33 count 27 3. HRAS_085 Input 5.00 D-14 RMS 1.83 D-14 NRMS 0.37 share 0.43 count 27 Overall RMS 1.67 D-14 NRMS 0.33 share 0.38 count 54 341. UT1-TAI 1, 1980.10.17-08:41:00.000 -2.2583 ms/d 113.69 micros/d 133.05 micros/d 133.05 micros/d EOP epoch (TDT) MJD: 44529.362178 NUT epoch (TDT) MJD: 44529.320541 342. Nutation DPSI wrt apriori model 1980.10.17-08:41:14.856 -0.365 mas 1337.6 microasec 1337.7 microasec Nutation Dx wrt apriori model 1980.10.17-08:41:14.856 -0.138 mas 529.2 microasec 529.3 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.17-08:41:14.856 1.775 mas 1337.6 microasec 1337.7 microasec 343. Nutation DEPS wrt apriori model 1980.10.17-08:41:14.856 -1.593 mas 672.2 microasec 672.2 microasec Nutation Dy wrt apriori model 1980.10.17-08:41:14.856 -1.593 mas 674.5 microasec 674.5 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.17-08:41:14.856 -3.194 mas 672.2 microasec 672.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0885 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640996.90 14.67 3135640996.90 14.67 123.46 6.39 -260.41 60.57 HAYSTACK 7205 to OVRO_130 7207 3928881625.58 9.09 3928881625.58 9.09 -11.31 6.60 -255.56 34.46 HRAS_085 7216 to OVRO_130 7207 1508195382.80 9.15 1508195382.80 9.15 1.82 4.63 31.75 50.88 NNT_POS: 5 stations participated in NNT_POS constraints: CHLBOLTN HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:50 Correlator type: Unknown Experiment code: mert12 Mark-3 db_name: $80OCT17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801017_a Ver 2 mert12 Matrix Condition Number = 1.548497905134491E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- CHLBOLTN: GION | | HAYSTACK: GION | | HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for CHLBOLTN is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms CHLBOLTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 16.3 3.0 1002.1 4.3 75.1 4.7 HRAS_085 MET 12.4 3.0 843.4 1.1 36.8 0.4 ONSALA60 MET 10.8 0.6 988.1 1.3 86.2 0.6 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 8.8 5.6 882.2 1.9 19.1 4.2 Run 26091-1733 1384 Observation Pairs Available Session started on: 2444530.431500 1980.10.17 22:21:21.600 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 757 55.014 ps 0.89 1.0051 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 832 Number of potentially good observations with QC 5-9: 832 Number of used observations: 757 ( 90.99%) Number of suppressed observations: 75 ( 9.01%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps CHLBOLTN HAYSTACK 87 100 30.235 0.80 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT CHLBOLTN HRAS_085 62 62 77.184 0.92 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT CHLBOLTN ONSALA60 86 106 62.341 0.89 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT CHLBOLTN OVRO_130 31 32 76.820 0.92 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT HAYSTACK HRAS_085 94 98 58.692 0.90 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT HAYSTACK ONSALA60 99 111 64.257 0.88 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT HAYSTACK OVRO_130 90 97 52.387 0.87 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT HRAS_085 ONSALA60 52 62 135.791 0.95 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT HRAS_085 OVRO_130 87 89 46.696 0.87 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 69 75 91.718 0.92 19801017_a mert12 1980.10.18-09:46:22.0 BAS_STAT Not included: CHLBOLTN ONSALA85 0/ 0 deselected baseline 19801017_a mert12 HAYSTACK ONSALA85 0/ 0 deselected baseline 19801017_a mert12 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801017_a mert12 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801017_a mert12 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 25 26 34 42.722 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 0235+164 J0238+1636 50 53 81 64.098 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 0552+398 J0555+3948 76 84 137 61.309 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 1642+690 J1642+6856 80 86 155 118.863 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 2134+00 J2136+0041 14 18 27 40.737 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 3C273B J1229+0203 29 37 53 52.557 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 3C345 J1642+3948 83 90 137 35.395 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 3C454.3 J2253+1608 32 35 60 34.470 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 4C39.25 J0927+3902 81 87 133 53.704 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: 4C67.05 J0228+6721 37 39 91 128.864 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: NRAO150 J0359+5057 76 87 154 40.893 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: OJ287 J0854+2006 59 62 103 83.440 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: OQ208 J1407+2827 46 52 97 107.761 19801017_a mert12 1980.10.18-09:46:22.080 SRC_STAT: VR422201 J2202+4216 69 76 122 39.421 19801017_a mert12 1980.10.18-09:46:22.080 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.18-09:45:49 1. CHLBOLTN 7215 EURA X Comp 4008310006.33 mm -39.671 mm 13.032 mm 13.066 mm 2. CHLBOLTN 7215 EURA Y Comp -100650881.26 mm -177.256 mm 10.470 mm 10.496 mm 3. CHLBOLTN 7215 EURA Z Comp 4943794705.63 mm -133.374 mm 17.127 mm 17.171 mm CHLBOLTN 7215 U Comp -125.95 mm -125.952 mm 20.355 mm 18.046 mm CHLBOLTN 7215 E Comp -178.20 mm -178.196 mm 10.447 mm 9.262 mm CHLBOLTN 7215 N Comp -56.25 mm -56.254 mm 7.023 mm 6.227 mm 4. CHLBOLTN CL 0 1980.10.17-22:20:49.416 22971.170 ns 0.193 ns 0.193 ns 5. CHLBOLTN CL 1 1980.10.17-22:20:49.416 546.469 D-14 3.017 D-14 3.024 D-14 6. CHLBOLTN CL 2 1980.10.17-22:20:49.416 11.070 D-14/day 5.247 D-14/day 5.261 D-14/day 7. CHLBOLTN BR 0 1980.10.18-10:29:27.816 -5.258 ns 0.183 ns 0.184 ns 8. CHLBOLTN BR 1 1980.10.18-10:29:27.816 -4.315 D-14 4.648 D-14 4.660 D-14 9. CHLBOLTN BR 2 1980.10.18-10:29:27.816 -13.759 D-14/day 8.509 D-14/day 8.530 D-14/day 33. CHLBOLTN AT 0 1980.10.17-22:20:49.416 -46.592 ps 28.577 ps 28.650 ps CHLBOLTN Atm 1980.10.18-09:51:21.600 Avg: -2.676 ps Rms: 34.899 ps Tot_Rms: 35.001 ps || Nat: 115 Dura: 82200.0 sec Tzd_avg: 7755.6 Tzd_rms: 28.7 Wzd_avg: 193.5 Wzd_rms: 31.6 ps Prs_avg: 99573. Pa Tem_avg: 14.0 C Stm_avg: 7.8 C Stm_rms: 1.5 K Spr_avg: -184. Spr_rms: 519. Pa 103. CHLBOLTN NG 1980.10.17-22:19:49.416 0.057 mm 0.422 mm 0.423 mm 104. CHLBOLTN EG 1980.10.17-22:19:49.416 -0.007 mm 0.422 mm 0.423 mm 105. CHLBOLTN NG 1980.10.18-06:19:49.416 0.016 mm 0.377 mm 0.378 mm 106. CHLBOLTN EG 1980.10.18-06:19:49.416 -0.016 mm 0.377 mm 0.378 mm 107. CHLBOLTN NG 1980.10.18-14:19:49.416 -0.014 mm 0.376 mm 0.377 mm 108. CHLBOLTN EG 1980.10.18-14:19:49.416 0.019 mm 0.376 mm 0.377 mm 109. CHLBOLTN NG 1980.10.18-22:19:49.416 -0.022 mm 0.422 mm 0.423 mm 110. CHLBOLTN EG 1980.10.18-22:19:49.416 0.015 mm 0.422 mm 0.423 mm 111. HAYSTACK 7205 NOAM X Comp 1492404708.88 mm 12.876 mm 6.066 mm 6.082 mm 112. HAYSTACK 7205 NOAM Y Comp -4457266310.95 mm 224.054 mm 11.800 mm 11.830 mm 113. HAYSTACK 7205 NOAM Z Comp 4296881755.86 mm -38.137 mm 11.360 mm 11.389 mm HAYSTACK 7205 U Comp -179.15 mm -179.151 mm 15.346 mm 13.605 mm HAYSTACK 7205 E Comp 83.35 mm 83.348 mm 7.160 mm 6.348 mm HAYSTACK 7205 N Comp 113.04 mm 113.043 mm 4.280 mm 3.795 mm 114. HAYSTACK CL 0 1980.10.17-22:20:49.416 -7877.344 ns 0.147 ns 0.147 ns 115. HAYSTACK CL 1 1980.10.17-22:20:49.416 98.808 D-14 2.118 D-14 2.123 D-14 116. HAYSTACK CL 2 1980.10.17-22:20:49.416 4.267 D-14/day 1.924 D-14/day 1.929 D-14/day 140. HAYSTACK AT 0 1980.10.17-22:20:49.416 61.343 ps 19.880 ps 19.931 ps HAYSTACK Atm 1980.10.18-09:51:21.600 Avg: 78.330 ps Rms: 23.249 ps Tot_Rms: 81.707 ps || Nat: 140 Dura: 82200.0 sec Tzd_avg: 8137.7 Tzd_rms: 145.2 Wzd_avg: 594.6 Wzd_rms: 182.3 ps Prs_avg: 100211. Pa Tem_avg: 16.3 C Stm_avg: -1.4 C Stm_rms: 1.7 K Spr_avg: 605. Spr_rms: 64. Pa 210. HAYSTACK NG 1980.10.17-22:19:49.416 -0.031 mm 0.421 mm 0.422 mm 211. HAYSTACK EG 1980.10.17-22:19:49.416 0.102 mm 0.419 mm 0.420 mm 212. HAYSTACK NG 1980.10.18-06:19:49.416 0.069 mm 0.376 mm 0.377 mm 213. HAYSTACK EG 1980.10.18-06:19:49.416 0.072 mm 0.375 mm 0.376 mm 214. HAYSTACK NG 1980.10.18-14:19:49.416 0.040 mm 0.376 mm 0.377 mm 215. HAYSTACK EG 1980.10.18-14:19:49.416 -0.047 mm 0.376 mm 0.377 mm 216. HAYSTACK NG 1980.10.18-22:19:49.416 0.019 mm 0.422 mm 0.423 mm 217. HAYSTACK EG 1980.10.18-22:19:49.416 -0.031 mm 0.421 mm 0.422 mm 218. HRAS_085 7216 NOAM X Comp -1324211063.66 mm -46.659 mm 8.812 mm 8.834 mm 219. HRAS_085 7216 NOAM Y Comp -5332023029.45 mm 52.555 mm 29.373 mm 29.448 mm 220. HRAS_085 7216 NOAM Z Comp 3232118502.13 mm 195.131 mm 19.281 mm 19.330 mm HRAS_085 7216 U Comp 65.23 mm 65.228 mm 35.093 mm 31.112 mm HRAS_085 7216 E Comp -57.95 mm -57.950 mm 5.656 mm 5.014 mm HRAS_085 7216 N Comp 188.15 mm 188.154 mm 6.978 mm 6.186 mm 221. HRAS_085 CL 0 1980.10.17-22:20:49.416 -762.398 ns 0.241 ns 0.242 ns 222. HRAS_085 CL 1 1980.10.17-22:20:49.416 237.054 D-14 2.139 D-14 2.145 D-14 223. HRAS_085 CL 2 1980.10.17-22:20:49.416 3.789 D-14/day 1.938 D-14/day 1.943 D-14/day 247. HRAS_085 AT 0 1980.10.17-22:20:49.416 -69.975 ps 90.664 ps 90.895 ps HRAS_085 Atm 1980.10.18-09:51:21.600 Avg: -126.333 ps Rms: 51.427 ps Tot_Rms: 136.399 ps || Nat: 105 Dura: 82200.0 sec Tzd_avg: 6738.8 Tzd_rms: 54.8 Wzd_avg: 382.1 Wzd_rms: 61.0 ps Prs_avg: 84338. Pa Tem_avg: 12.4 C Stm_avg: -2.8 C Stm_rms: 2.3 K Spr_avg: 579. Spr_rms: 55. Pa 317. HRAS_085 NG 1980.10.17-22:19:49.416 0.012 mm 0.422 mm 0.423 mm 318. HRAS_085 EG 1980.10.17-22:19:49.416 0.016 mm 0.421 mm 0.423 mm 319. HRAS_085 NG 1980.10.18-06:19:49.416 -0.016 mm 0.377 mm 0.378 mm 320. HRAS_085 EG 1980.10.18-06:19:49.416 -0.028 mm 0.377 mm 0.377 mm 321. HRAS_085 NG 1980.10.18-14:19:49.416 -0.014 mm 0.377 mm 0.378 mm 322. HRAS_085 EG 1980.10.18-14:19:49.416 -0.002 mm 0.376 mm 0.377 mm 323. HRAS_085 NG 1980.10.18-22:19:49.416 0.013 mm 0.422 mm 0.423 mm 324. HRAS_085 EG 1980.10.18-22:19:49.416 0.023 mm 0.422 mm 0.423 mm 325. ONSALA60 7213 EURA X Comp 3370606009.08 mm 20.076 mm 9.151 mm 9.174 mm 326. ONSALA60 7213 EURA Y Comp 711917412.82 mm -116.177 mm 10.410 mm 10.436 mm 327. ONSALA60 7213 EURA Z Comp 5349830640.08 mm -125.915 mm 15.529 mm 15.569 mm ONSALA60 7213 U Comp -108.43 mm -108.425 mm 16.044 mm 14.224 mm ONSALA60 7213 E Comp -117.82 mm -117.818 mm 10.052 mm 8.912 mm ONSALA60 7213 N Comp -64.17 mm -64.170 mm 8.649 mm 7.668 mm 328. ONSALA60 CL 0 1980.10.17-22:20:49.416 13314.768 ns 0.186 ns 0.186 ns 329. ONSALA60 CL 1 1980.10.17-22:20:49.416 173.594 D-14 2.175 D-14 2.181 D-14 330. ONSALA60 CL 2 1980.10.17-22:20:49.416 0.934 D-14/day 1.984 D-14/day 1.989 D-14/day 354. ONSALA60 AT 0 1980.10.17-22:20:49.416 4.570 ps 27.189 ps 27.259 ps ONSALA60 Atm 1980.10.18-09:51:21.600 Avg: -10.808 ps Rms: 34.611 ps Tot_Rms: 36.259 ps || Nat: 124 Dura: 82200.0 sec Tzd_avg: 7773.1 Tzd_rms: 1000.0 Wzd_avg: 424.8 Wzd_rms: 120.7 ps Prs_avg: 98818. Pa Tem_avg: 10.8 C Stm_avg: -0.3 C Stm_rms: 0.7 K Spr_avg: 127. Spr_rms: 39. Pa 424. ONSALA60 NG 1980.10.17-22:19:49.416 -0.014 mm 0.422 mm 0.423 mm 425. ONSALA60 EG 1980.10.17-22:19:49.416 -0.015 mm 0.422 mm 0.423 mm 426. ONSALA60 NG 1980.10.18-06:19:49.416 0.036 mm 0.377 mm 0.378 mm 427. ONSALA60 EG 1980.10.18-06:19:49.416 -0.003 mm 0.376 mm 0.377 mm 428. ONSALA60 NG 1980.10.18-14:19:49.416 0.063 mm 0.376 mm 0.377 mm 429. ONSALA60 EG 1980.10.18-14:19:49.416 0.078 mm 0.376 mm 0.377 mm 430. ONSALA60 NG 1980.10.18-22:19:49.416 0.026 mm 0.422 mm 0.423 mm 431. ONSALA60 EG 1980.10.18-22:19:49.416 0.034 mm 0.422 mm 0.423 mm 432. OVRO_130 7207 NOAM X Comp -2409600833.62 mm 53.377 mm 8.894 mm 8.917 mm 433. OVRO_130 7207 NOAM Y Comp -4478349447.18 mm 16.823 mm 15.301 mm 15.340 mm 434. OVRO_130 7207 NOAM Z Comp 3838603290.30 mm 102.296 mm 14.165 mm 14.201 mm OVRO_130 7207 U Comp 29.96 mm 29.961 mm 20.672 mm 18.327 mm OVRO_130 7207 E Comp 39.03 mm 39.034 mm 5.912 mm 5.241 mm OVRO_130 7207 N Comp 105.71 mm 105.714 mm 7.181 mm 6.367 mm 435. OVRO_130 AT 0 1980.10.17-22:20:49.416 -33.187 ps 51.896 ps 52.028 ps OVRO_130 Atm 1980.10.18-09:51:21.600 Avg: -46.856 ps Rms: 24.205 ps Tot_Rms: 52.739 ps || Nat: 104 Dura: 81660.0 sec Tzd_avg: 6908.9 Tzd_rms: 17.4 Wzd_avg: 198.0 Wzd_rms: 5.0 ps Prs_avg: 88221. Pa Tem_avg: 8.8 C Stm_avg: -2.0 C Stm_rms: 3.5 K Spr_avg: -192. Spr_rms: 70. Pa 505. OVRO_130 NG 1980.10.17-22:19:49.416 -0.004 mm 0.422 mm 0.423 mm 506. OVRO_130 EG 1980.10.17-22:19:49.416 -0.017 mm 0.422 mm 0.423 mm 507. OVRO_130 NG 1980.10.18-06:19:49.416 0.010 mm 0.377 mm 0.378 mm 508. OVRO_130 EG 1980.10.18-06:19:49.416 0.035 mm 0.377 mm 0.377 mm 509. OVRO_130 NG 1980.10.18-14:19:49.416 0.009 mm 0.377 mm 0.378 mm 510. OVRO_130 EG 1980.10.18-14:19:49.416 0.042 mm 0.376 mm 0.377 mm 511. OVRO_130 NG 1980.10.18-22:19:49.416 -0.019 mm 0.422 mm 0.423 mm 512. OVRO_130 EG 1980.10.18-22:19:49.416 -0.017 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. CHLBOLTN Input 50.00 ps/h RMS 16.89 ps/h NRMS 0.34 share 0.82 count 70 2. HAYSTACK Input 50.00 ps/h RMS 22.80 ps/h NRMS 0.46 share 0.77 count 70 3. HRAS_085 Input 50.00 ps/h RMS 18.99 ps/h NRMS 0.38 share 0.89 count 70 4. ONSALA60 Input 50.00 ps/h RMS 23.91 ps/h NRMS 0.48 share 0.78 count 70 6. OVRO_130 Input 50.00 ps/h RMS 17.54 ps/h NRMS 0.35 share 0.84 count 70 Overall RMS 20.22 ps/h NRMS 0.40 share 0.82 count 350 Gradient Constraint Statistics 1. CHLBOLTN Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.53 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 Overall RMS 0.13 mm/d NRMS 0.06 share 0.53 count 40 Clock Constraint Statistics 1. CHLBOLTN Input 5.00 D-14 RMS 1.59 D-14 NRMS 0.32 share 0.35 count 24 2. HAYSTACK Input 5.00 D-14 RMS 2.23 D-14 NRMS 0.45 share 0.20 count 24 3. HRAS_085 Input 5.00 D-14 RMS 1.91 D-14 NRMS 0.38 share 0.22 count 24 4. ONSALA60 Input 5.00 D-14 RMS 1.27 D-14 NRMS 0.25 share 0.28 count 24 Overall RMS 1.79 D-14 NRMS 0.36 share 0.26 count 96 513. UT1-TAI 1, 1980.10.18-09:46:00.000 -2.4992 ms/d 36.36 micros/d 59.44 micros/d 59.59 micros/d EOP epoch (TDT) MJD: 44530.407317 NUT epoch (TDT) MJD: 44530.377551 514. Nutation DPSI wrt apriori model 1980.10.18-09:45:49.896 2.058 mas 816.6 microasec 818.7 microasec Nutation Dx wrt apriori model 1980.10.18-09:45:49.896 0.822 mas 323.4 microasec 324.2 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.18-09:45:49.896 4.465 mas 816.6 microasec 818.7 microasec 515. Nutation DEPS wrt apriori model 1980.10.18-09:45:49.896 -0.873 mas 348.9 microasec 349.8 microasec Nutation Dy wrt apriori model 1980.10.18-09:45:49.896 -0.870 mas 350.3 microasec 351.2 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.18-09:45:49.896 -2.306 mas 348.9 microasec 349.8 microasec 516. CHLBOLTN HAYSTACK Clock offset 23.718 ps 19.031 ps 19.079 ps 517. CHLBOLTN HRAS_085 Clock offset 41.538 ps 21.087 ps 21.141 ps 518. CHLBOLTN ONSALA60 Clock offset 1.560 ps 22.586 ps 22.643 ps 519. HAYSTACK HRAS_085 Clock offset -15.721 ps 11.414 ps 11.443 ps 520. HAYSTACK ONSALA60 Clock offset -30.158 ps 16.099 ps 16.140 ps 521. HRAS_085 ONSALA60 Clock offset -52.509 ps 24.481 ps 24.543 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0429 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) CHLBOLTN 7215 to HAYSTACK 7205 5072314445.35 9.21 5072314445.35 9.21 152.01 4.93 56.25 27.73 CHLBOLTN 7215 to HRAS_085 7216 7663737400.27 30.14 7663737400.27 30.14 300.76 6.16 -139.72 43.27 CHLBOLTN 7215 to ONSALA60 7213 1109864316.36 6.59 1109864316.36 6.59 72.57 6.61 -43.80 27.17 CHLBOLTN 7215 to OVRO_130 7207 7846991292.73 21.67 7846991292.73 21.67 192.10 6.54 -132.77 31.09 HAYSTACK 7205 to HRAS_085 7216 3135641005.15 12.31 3135641005.15 12.31 100.00 5.39 -277.28 45.30 HAYSTACK 7205 to ONSALA60 7213 5599714443.34 8.59 5599714443.34 8.59 119.23 5.62 -40.10 23.11 HAYSTACK 7205 to OVRO_130 7207 3928881635.32 9.05 3928881635.32 9.05 -40.84 5.67 -244.05 28.26 HRAS_085 7216 to ONSALA60 7213 7940732215.32 29.90 7940732215.32 29.90 267.01 6.67 184.98 40.58 HRAS_085 7216 to OVRO_130 7207 1508195390.55 7.81 1508195390.55 7.81 -14.60 5.88 53.91 44.34 ONSALA60 7213 to OVRO_130 7207 7914130989.89 19.66 7914130989.89 19.66 141.84 7.15 -163.39 28.56 NNT_POS: 5 stations participated in NNT_POS constraints: CHLBOLTN HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:53 Correlator type: Unknown Experiment code: mert13 Mark-3 db_name: $80OCT18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801018_a Ver 2 mert13 Matrix Condition Number = 1.439677646480796E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- CHLBOLTN: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for CHLBOLTN is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms CHLBOLTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 14.1 1.8 994.5 1.1 84.1 31.2 HRAS_085 MET 10.4 1.6 847.7 1.6 38.1 8.2 ONSALA60 MET 8.1 0.3 1001.7 4.3 83.0 7.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 8.3 7.8 883.2 1.0 8.5 1.7 Run 26091-1733 1334 Observation Pairs Available Session started on: 2444531.428700 1980.10.18 22:17:19.680 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 525 52.591 ps 0.87 0.9932 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 571 Number of potentially good observations with QC 5-9: 571 Number of used observations: 525 ( 91.94%) Number of suppressed observations: 46 ( 8.06%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps CHLBOLTN HAYSTACK 69 86 92.878 0.91 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT CHLBOLTN HRAS_085 50 50 117.685 0.94 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT CHLBOLTN ONSALA60 8 20 152.773 0.87 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT CHLBOLTN OVRO_130 62 64 68.361 0.86 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT HAYSTACK HRAS_085 87 89 43.167 0.86 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT HAYSTACK ONSALA60 23 26 41.346 0.77 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT HAYSTACK OVRO_130 93 100 52.747 0.88 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT HRAS_085 ONSALA60 15 16 50.585 0.76 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT HRAS_085 OVRO_130 95 96 37.415 0.86 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 23 24 76.967 0.92 19801018_a mert13 1980.10.19-09:42:20.1 BAS_STAT Not included: CHLBOLTN ONSALA85 0/ 0 deselected baseline 19801018_a mert13 HAYSTACK ONSALA85 0/ 0 deselected baseline 19801018_a mert13 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801018_a mert13 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801018_a mert13 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 21 23 30 42.602 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 0235+164 J0238+1636 41 42 77 59.670 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 0552+398 J0555+3948 55 59 136 43.139 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 1642+690 J1642+6856 44 51 139 99.222 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 2134+00 J2136+0041 11 13 21 31.819 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 3C273B J1229+0203 19 20 51 62.572 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 3C345 J1642+3948 46 56 124 33.748 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 3C454.3 J2253+1608 24 26 55 32.778 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 4C39.25 J0927+3902 53 56 145 54.082 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: 4C67.05 J0228+6721 34 36 89 182.418 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: NRAO150 J0359+5057 54 55 148 50.477 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: OJ287 J0854+2006 46 49 109 78.084 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: OQ208 J1407+2827 29 34 97 91.461 19801018_a mert13 1980.10.19-09:42:20.160 SRC_STAT: VR422201 J2202+4216 48 51 113 30.869 19801018_a mert13 1980.10.19-09:42:20.160 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.19-09:41:47 1. CHLBOLTN 7215 EURA X Comp 4008310005.18 mm -40.819 mm 25.301 mm 25.214 mm 2. CHLBOLTN 7215 EURA Y Comp -100650879.25 mm -175.247 mm 17.945 mm 17.884 mm 3. CHLBOLTN 7215 EURA Z Comp 4943794670.11 mm -168.893 mm 33.882 mm 33.766 mm CHLBOLTN 7215 U Comp -154.36 mm -154.363 mm 41.212 mm 36.027 mm CHLBOLTN 7215 E Comp -176.22 mm -176.217 mm 17.654 mm 15.433 mm CHLBOLTN 7215 N Comp -77.60 mm -77.604 mm 10.002 mm 8.743 mm 4. CHLBOLTN CL 0 1980.10.18-22:16:47.496 23437.098 ns 0.693 ns 0.691 ns 5. CHLBOLTN CL 1 1980.10.18-22:16:47.496 578.989 D-14 3.494 D-14 3.482 D-14 6. CHLBOLTN CL 2 1980.10.18-22:16:47.496 13.511 D-14/day 2.862 D-14/day 2.852 D-14/day 30. CHLBOLTN AT 0 1980.10.18-22:16:47.496 1.349 ps 80.369 ps 80.094 ps CHLBOLTN Atm 1980.10.19-09:47:19.680 Avg: -20.092 ps Rms: 14.086 ps Tot_Rms: 24.537 ps || Nat: 98 Dura: 72060.0 sec Tzd_avg: 8002.9 Tzd_rms: 63.7 Wzd_avg: 355.4 Wzd_rms: 60.1 ps Prs_avg: 99573. Pa Tem_avg: 14.0 C Stm_avg: 5.3 C Stm_rms: 3.1 K Spr_avg: -1379. Spr_rms: 83. Pa 100. CHLBOLTN NG 1980.10.18-22:15:47.496 0.007 mm 0.422 mm 0.421 mm 101. CHLBOLTN EG 1980.10.18-22:15:47.496 -0.008 mm 0.422 mm 0.421 mm 102. CHLBOLTN NG 1980.10.19-06:15:47.496 0.014 mm 0.377 mm 0.376 mm 103. CHLBOLTN EG 1980.10.19-06:15:47.496 -0.016 mm 0.377 mm 0.376 mm 104. CHLBOLTN NG 1980.10.19-14:15:47.496 -0.006 mm 0.377 mm 0.375 mm 105. CHLBOLTN EG 1980.10.19-14:15:47.496 0.024 mm 0.377 mm 0.376 mm 106. CHLBOLTN NG 1980.10.19-22:15:47.496 -0.006 mm 0.422 mm 0.421 mm 107. CHLBOLTN EG 1980.10.19-22:15:47.496 0.008 mm 0.422 mm 0.421 mm 108. HAYSTACK 7205 NOAM X Comp 1492404719.37 mm 23.368 mm 10.391 mm 10.355 mm 109. HAYSTACK 7205 NOAM Y Comp -4457266327.53 mm 207.469 mm 14.780 mm 14.729 mm 110. HAYSTACK 7205 NOAM Z Comp 4296881778.84 mm -15.156 mm 16.105 mm 16.049 mm HAYSTACK 7205 U Comp -149.56 mm -149.565 mm 20.979 mm 18.340 mm HAYSTACK 7205 E Comp 88.03 mm 88.031 mm 10.251 mm 8.961 mm HAYSTACK 7205 N Comp 117.05 mm 117.047 mm 6.368 mm 5.567 mm 111. HAYSTACK CL 0 1980.10.18-22:16:47.496 -7788.506 ns 0.157 ns 0.156 ns 112. HAYSTACK CL 1 1980.10.18-22:16:47.496 103.569 D-14 2.126 D-14 2.119 D-14 113. HAYSTACK CL 2 1980.10.18-22:16:47.496 3.353 D-14/day 1.936 D-14/day 1.929 D-14/day 137. HAYSTACK AT 0 1980.10.18-22:16:47.496 -29.118 ps 43.038 ps 42.891 ps HAYSTACK Atm 1980.10.19-09:47:19.680 Avg: -8.753 ps Rms: 85.805 ps Tot_Rms: 86.250 ps || Nat: 140 Dura: 82200.0 sec Tzd_avg: 7909.9 Tzd_rms: 137.9 Wzd_avg: 418.9 Wzd_rms: 135.7 ps Prs_avg: 99452. Pa Tem_avg: 14.1 C Stm_avg: -1.5 C Stm_rms: 2.2 K Spr_avg: 611. Spr_rms: 35. Pa 207. HAYSTACK NG 1980.10.18-22:15:47.496 0.001 mm 0.422 mm 0.421 mm 208. HAYSTACK EG 1980.10.18-22:15:47.496 0.018 mm 0.421 mm 0.420 mm 209. HAYSTACK NG 1980.10.19-06:15:47.496 0.001 mm 0.376 mm 0.375 mm 210. HAYSTACK EG 1980.10.19-06:15:47.496 0.075 mm 0.376 mm 0.374 mm 211. HAYSTACK NG 1980.10.19-14:15:47.496 0.004 mm 0.377 mm 0.375 mm 212. HAYSTACK EG 1980.10.19-14:15:47.496 0.013 mm 0.376 mm 0.375 mm 213. HAYSTACK NG 1980.10.19-22:15:47.496 0.012 mm 0.422 mm 0.421 mm 214. HAYSTACK EG 1980.10.19-22:15:47.496 0.016 mm 0.422 mm 0.421 mm 215. HRAS_085 7216 NOAM X Comp -1324211055.10 mm -38.098 mm 11.727 mm 11.687 mm 216. HRAS_085 7216 NOAM Y Comp -5332023028.33 mm 53.667 mm 32.057 mm 31.947 mm 217. HRAS_085 7216 NOAM Z Comp 3232118534.07 mm 227.066 mm 22.722 mm 22.644 mm HRAS_085 7216 U Comp 78.80 mm 78.798 mm 38.398 mm 33.567 mm HRAS_085 7216 E Comp -49.91 mm -49.910 mm 9.972 mm 8.717 mm HRAS_085 7216 N Comp 217.23 mm 217.234 mm 10.374 mm 9.068 mm 218. HRAS_085 CL 0 1980.10.18-22:16:47.496 -554.953 ns 0.239 ns 0.238 ns 219. HRAS_085 CL 1 1980.10.18-22:16:47.496 238.698 D-14 2.201 D-14 2.193 D-14 220. HRAS_085 CL 2 1980.10.18-22:16:47.496 5.055 D-14/day 2.164 D-14/day 2.157 D-14/day 244. HRAS_085 AT 0 1980.10.18-22:16:47.496 13.805 ps 96.794 ps 96.462 ps HRAS_085 Atm 1980.10.19-09:47:19.680 Avg: 26.939 ps Rms: 36.663 ps Tot_Rms: 45.496 ps || Nat: 100 Dura: 76200.0 sec Tzd_avg: 6666.7 Tzd_rms: 24.9 Wzd_avg: 276.5 Wzd_rms: 16.4 ps Prs_avg: 84764. Pa Tem_avg: 10.5 C Stm_avg: -2.3 C Stm_rms: 1.6 K Spr_avg: 612. Spr_rms: 41. Pa 314. HRAS_085 NG 1980.10.18-22:15:47.496 -0.036 mm 0.422 mm 0.420 mm 315. HRAS_085 EG 1980.10.18-22:15:47.496 0.004 mm 0.421 mm 0.420 mm 316. HRAS_085 NG 1980.10.19-06:15:47.496 0.004 mm 0.377 mm 0.375 mm 317. HRAS_085 EG 1980.10.19-06:15:47.496 -0.019 mm 0.376 mm 0.375 mm 318. HRAS_085 NG 1980.10.19-14:15:47.496 -0.014 mm 0.376 mm 0.375 mm 319. HRAS_085 EG 1980.10.19-14:15:47.496 -0.006 mm 0.376 mm 0.375 mm 320. HRAS_085 NG 1980.10.19-22:15:47.496 -0.016 mm 0.422 mm 0.421 mm 321. HRAS_085 EG 1980.10.19-22:15:47.496 0.036 mm 0.422 mm 0.420 mm 322. ONSALA60 7213 EURA X Comp 3370605974.82 mm -14.182 mm 27.787 mm 27.692 mm 323. ONSALA60 7213 EURA Y Comp 711917446.28 mm -82.723 mm 22.316 mm 22.239 mm 324. ONSALA60 7213 EURA Z Comp 5349830586.03 mm -179.972 mm 37.572 mm 37.443 mm ONSALA60 7213 U Comp -168.30 mm -168.299 mm 42.816 mm 37.429 mm ONSALA60 7213 E Comp -78.01 mm -78.007 mm 24.590 mm 21.496 mm ONSALA60 7213 N Comp -70.88 mm -70.885 mm 15.618 mm 13.653 mm 325. ONSALA60 CL 0 1980.10.18-22:16:47.496 13465.078 ns 0.242 ns 0.242 ns 326. ONSALA60 CL 1 1980.10.18-22:16:47.496 172.854 D-14 3.587 D-14 3.575 D-14 327. ONSALA60 CL 2 1980.10.18-22:16:47.496 13.164 D-14/day 8.443 D-14/day 8.414 D-14/day 351. ONSALA60 AT 0 1980.10.18-22:16:47.496 -28.057 ps 40.706 ps 40.567 ps ONSALA60 Atm 1980.10.19-09:47:19.680 Avg: 54.165 ps Rms: 26.371 ps Tot_Rms: 60.244 ps || Nat: 123 Dura: 82200.0 sec Tzd_avg: 7678.0 Tzd_rms: 987.6 Wzd_avg: 225.4 Wzd_rms: 32.7 ps Prs_avg: 100150. Pa Tem_avg: 8.1 C Stm_avg: -0.1 C Stm_rms: 0.3 K Spr_avg: 131. Spr_rms: 39. Pa 421. ONSALA60 NG 1980.10.18-22:15:47.496 -0.010 mm 0.422 mm 0.421 mm 422. ONSALA60 EG 1980.10.18-22:15:47.496 -0.020 mm 0.422 mm 0.421 mm 423. ONSALA60 NG 1980.10.19-06:15:47.496 -0.024 mm 0.377 mm 0.376 mm 424. ONSALA60 EG 1980.10.19-06:15:47.496 -0.022 mm 0.377 mm 0.376 mm 425. ONSALA60 NG 1980.10.19-14:15:47.496 -0.007 mm 0.377 mm 0.376 mm 426. ONSALA60 EG 1980.10.19-14:15:47.496 -0.006 mm 0.377 mm 0.376 mm 427. ONSALA60 NG 1980.10.19-22:15:47.496 -0.003 mm 0.422 mm 0.421 mm 428. ONSALA60 EG 1980.10.19-22:15:47.496 -0.002 mm 0.422 mm 0.421 mm 429. OVRO_130 7207 NOAM X Comp -2409600817.27 mm 69.730 mm 11.080 mm 11.042 mm 430. OVRO_130 7207 NOAM Y Comp -4478349467.17 mm -3.165 mm 15.513 mm 15.459 mm 431. OVRO_130 7207 NOAM Z Comp 3838603324.96 mm 136.955 mm 17.126 mm 17.067 mm OVRO_130 7207 U Comp 58.78 mm 58.776 mm 20.730 mm 18.122 mm OVRO_130 7207 E Comp 62.90 mm 62.905 mm 10.176 mm 8.896 mm OVRO_130 7207 N Comp 127.35 mm 127.347 mm 11.109 mm 9.712 mm 432. OVRO_130 AT 0 1980.10.18-22:16:47.496 -33.770 ps 48.542 ps 48.376 ps OVRO_130 Atm 1980.10.19-09:47:19.680 Avg: -5.421 ps Rms: 27.516 ps Tot_Rms: 28.044 ps || Nat: 109 Dura: 82200.0 sec Tzd_avg: 6904.4 Tzd_rms: 7.2 Wzd_avg: 188.0 Wzd_rms: 7.6 ps Prs_avg: 88312. Pa Tem_avg: 8.6 C Stm_avg: -6.3 C Stm_rms: 6.0 K Spr_avg: -169. Spr_rms: 38. Pa 502. OVRO_130 NG 1980.10.18-22:15:47.496 0.014 mm 0.422 mm 0.421 mm 503. OVRO_130 EG 1980.10.18-22:15:47.496 0.011 mm 0.422 mm 0.420 mm 504. OVRO_130 NG 1980.10.19-06:15:47.496 0.001 mm 0.377 mm 0.375 mm 505. OVRO_130 EG 1980.10.19-06:15:47.496 0.018 mm 0.376 mm 0.375 mm 506. OVRO_130 NG 1980.10.19-14:15:47.496 -0.001 mm 0.376 mm 0.375 mm 507. OVRO_130 EG 1980.10.19-14:15:47.496 0.048 mm 0.376 mm 0.375 mm 508. OVRO_130 NG 1980.10.19-22:15:47.496 -0.008 mm 0.422 mm 0.421 mm 509. OVRO_130 EG 1980.10.19-22:15:47.496 -0.027 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. CHLBOLTN Input 50.00 ps/h RMS 10.53 ps/h NRMS 0.21 share 0.90 count 70 2. HAYSTACK Input 50.00 ps/h RMS 25.91 ps/h NRMS 0.52 share 0.83 count 70 3. HRAS_085 Input 50.00 ps/h RMS 13.35 ps/h NRMS 0.27 share 0.88 count 70 4. ONSALA60 Input 50.00 ps/h RMS 12.12 ps/h NRMS 0.24 share 0.94 count 70 6. OVRO_130 Input 50.00 ps/h RMS 15.34 ps/h NRMS 0.31 share 0.83 count 70 Overall RMS 16.39 ps/h NRMS 0.33 share 0.88 count 350 Gradient Constraint Statistics 1. CHLBOLTN Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 1. CHLBOLTN Input 5.00 D-14 RMS 2.54 D-14 NRMS 0.51 share 0.45 count 24 2. HAYSTACK Input 5.00 D-14 RMS 1.90 D-14 NRMS 0.38 share 0.21 count 24 3. HRAS_085 Input 5.00 D-14 RMS 1.39 D-14 NRMS 0.28 share 0.27 count 24 4. ONSALA60 Input 5.00 D-14 RMS 1.73 D-14 NRMS 0.35 share 0.79 count 24 Overall RMS 1.94 D-14 NRMS 0.39 share 0.43 count 96 510. UT1-TAI 1, 1980.10.19-09:42:00.000 -2.6121 ms/d 114.64 micros/d 113.18 micros/d 112.80 micros/d EOP epoch (TDT) MJD: 44531.404539 NUT epoch (TDT) MJD: 44531.355435 511. Nutation DPSI wrt apriori model 1980.10.19-09:41:47.976 3.116 mas 1005.0 microasec 1001.5 microasec Nutation Dx wrt apriori model 1980.10.19-09:41:47.976 1.245 mas 397.7 microasec 396.3 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.19-09:41:47.976 5.747 mas 1005.0 microasec 1001.5 microasec 512. Nutation DEPS wrt apriori model 1980.10.19-09:41:47.976 -1.166 mas 487.7 microasec 486.0 microasec Nutation Dy wrt apriori model 1980.10.19-09:41:47.976 -1.161 mas 489.4 microasec 487.7 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.19-09:41:47.976 -2.448 mas 487.7 microasec 486.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0489 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) CHLBOLTN 7215 to HAYSTACK 7205 5072314448.09 15.91 5072314448.09 15.91 172.33 8.88 -2.77 52.89 CHLBOLTN 7215 to HRAS_085 7216 7663737379.06 36.58 7663737379.06 36.58 331.03 9.61 -196.99 61.43 CHLBOLTN 7215 to ONSALA60 7213 1109864351.62 25.36 1109864351.62 25.36 83.24 27.32 -11.07 71.48 CHLBOLTN 7215 to OVRO_130 7207 7846991280.80 28.84 7846991280.80 28.84 199.61 11.18 -207.04 49.78 HAYSTACK 7205 to HRAS_085 7216 3135640998.90 12.97 3135640998.90 12.97 116.86 5.04 -268.69 49.21 HAYSTACK 7205 to ONSALA60 7213 5599714460.03 21.02 5599714460.03 21.02 110.17 16.57 60.30 56.82 HAYSTACK 7205 to OVRO_130 7207 3928881628.15 8.64 3928881628.15 8.64 -35.12 5.53 -253.96 29.15 HRAS_085 7216 to ONSALA60 7213 7940732191.68 39.55 7940732191.68 39.55 255.96 19.04 282.92 65.27 HRAS_085 7216 to OVRO_130 7207 1508195374.10 7.93 1508195374.10 7.93 -13.71 5.12 38.36 45.02 ONSALA60 7213 to OVRO_130 7207 7914130971.03 31.15 7914130971.03 31.15 102.73 21.91 -270.17 55.16 NNT_POS: 4 stations participated in NNT_POS constraints: CHLBOLTN HAYSTACK HRAS_085 ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:56 Correlator type: Unknown Experiment code: mert14 Mark-3 db_name: $80OCT19X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801019_a Ver 2 mert14 Matrix Condition Number = 1.709702444286958E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- CHLBOLTN: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for CHLBOLTN is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms CHLBOLTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 9.7 2.1 994.1 0.7 43.0 0.8 HRAS_085 MET 5.5 1.3 848.8 0.6 56.4 13.0 ONSALA60 MET 7.6 0.5 1010.6 2.6 76.9 10.5 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1733 1258 Observation Pairs Available Session started on: 2444532.425900 1980.10.19 22:13:17.760 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 444 51.684 ps 0.86 0.9965 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 471 Number of potentially good observations with QC 5-9: 471 Number of used observations: 444 ( 94.27%) Number of suppressed observations: 27 ( 5.73%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps CHLBOLTN HAYSTACK 86 96 61.017 0.87 19801019_a mert14 1980.10.20-09:38:18.2 BAS_STAT CHLBOLTN HRAS_085 52 52 87.400 0.92 19801019_a mert14 1980.10.20-09:38:18.2 BAS_STAT CHLBOLTN ONSALA60 79 82 37.262 0.81 19801019_a mert14 1980.10.20-09:38:18.2 BAS_STAT HAYSTACK HRAS_085 84 94 41.796 0.81 19801019_a mert14 1980.10.20-09:38:18.2 BAS_STAT HAYSTACK ONSALA60 95 98 56.589 0.86 19801019_a mert14 1980.10.20-09:38:18.2 BAS_STAT HRAS_085 ONSALA60 48 49 71.257 0.90 19801019_a mert14 1980.10.20-09:38:18.2 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60-OVRO_130 No Data Not included: CHLBOLTN ONSALA85 0/ 0 deselected baseline 19801019_a mert14 CHLBOLTN OVRO_130 0/ 0 deselected baseline 19801019_a mert14 HAYSTACK ONSALA85 0/ 0 deselected baseline 19801019_a mert14 HAYSTACK OVRO_130 0/ 0 deselected baseline 19801019_a mert14 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801019_a mert14 HRAS_085 OVRO_130 0/ 0 deselected baseline 19801019_a mert14 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801019_a mert14 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 14 33 31.925 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 0235+164 J0238+1636 28 31 74 71.686 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 0552+398 J0555+3948 48 52 124 58.204 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 1642+690 J1642+6856 40 44 142 111.980 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 2134+00 J2136+0041 6 6 25 66.398 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 3C273B J1229+0203 18 21 50 39.042 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 3C345 J1642+3948 38 40 113 36.337 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 3C454.3 J2253+1608 16 18 51 32.808 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 4C39.25 J0927+3902 53 54 131 44.792 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: 4C67.05 J0228+6721 20 21 81 103.574 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: NRAO150 J0359+5057 46 47 136 40.104 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: OJ287 J0854+2006 40 41 95 81.517 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: OQ208 J1407+2827 33 33 91 97.633 19801019_a mert14 1980.10.20-09:38:18.240 SRC_STAT: VR422201 J2202+4216 47 49 112 36.531 19801019_a mert14 1980.10.20-09:38:18.240 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.20-09:37:46 1. CHLBOLTN 7215 EURA X Comp 4008310014.67 mm -31.331 mm 12.687 mm 12.665 mm 2. CHLBOLTN 7215 EURA Y Comp -100650873.01 mm -169.012 mm 11.785 mm 11.764 mm 3. CHLBOLTN 7215 EURA Z Comp 4943794718.76 mm -120.244 mm 16.360 mm 16.332 mm CHLBOLTN 7215 U Comp -110.63 mm -110.626 mm 19.466 mm 16.707 mm CHLBOLTN 7215 E Comp -169.75 mm -169.746 mm 11.772 mm 10.104 mm CHLBOLTN 7215 N Comp -54.35 mm -54.348 mm 7.072 mm 6.070 mm 4. CHLBOLTN CL 0 1980.10.19-22:12:45.576 31643.804 ns 0.173 ns 0.172 ns 5. CHLBOLTN CL 1 1980.10.19-22:12:45.576 496.437 D-14 3.277 D-14 3.272 D-14 6. CHLBOLTN CL 2 1980.10.19-22:12:45.576 -4.276 D-14/day 6.448 D-14/day 6.437 D-14/day 7. CHLBOLTN BR 0 1980.10.20-08:58:55.632 -5.365 ns 0.160 ns 0.159 ns 8. CHLBOLTN BR 1 1980.10.20-08:58:55.632 2.015 D-14 4.553 D-14 4.545 D-14 9. CHLBOLTN BR 2 1980.10.20-08:58:55.632 6.113 D-14/day 8.384 D-14/day 8.369 D-14/day 33. CHLBOLTN AT 0 1980.10.19-22:12:45.576 36.395 ps 43.200 ps 43.125 ps CHLBOLTN Atm 1980.10.20-09:43:17.760 Avg: 19.972 ps Rms: 41.580 ps Tot_Rms: 46.128 ps || Nat: 112 Dura: 82200.0 sec Tzd_avg: 8101.7 Tzd_rms: 41.2 Wzd_avg: 425.1 Wzd_rms: 42.7 ps Prs_avg: 99573. Pa Tem_avg: 14.0 C Stm_avg: 4.6 C Stm_rms: 1.8 K Spr_avg: -1792. Spr_rms: 71. Pa 103. CHLBOLTN NG 1980.10.19-22:11:45.576 0.026 mm 0.422 mm 0.421 mm 104. CHLBOLTN EG 1980.10.19-22:11:45.576 0.016 mm 0.422 mm 0.421 mm 105. CHLBOLTN NG 1980.10.20-06:11:45.576 0.009 mm 0.377 mm 0.376 mm 106. CHLBOLTN EG 1980.10.20-06:11:45.576 0.012 mm 0.377 mm 0.376 mm 107. CHLBOLTN NG 1980.10.20-14:11:45.576 0.001 mm 0.376 mm 0.376 mm 108. CHLBOLTN EG 1980.10.20-14:11:45.576 0.039 mm 0.376 mm 0.376 mm 109. CHLBOLTN NG 1980.10.20-22:11:45.576 0.007 mm 0.422 mm 0.421 mm 110. CHLBOLTN EG 1980.10.20-22:11:45.576 0.010 mm 0.422 mm 0.421 mm 111. HAYSTACK 7205 NOAM X Comp 1492404745.80 mm 49.798 mm 8.042 mm 8.028 mm 112. HAYSTACK 7205 NOAM Y Comp -4457266339.62 mm 195.377 mm 12.915 mm 12.893 mm 113. HAYSTACK 7205 NOAM Z Comp 4296881821.52 mm 27.516 mm 13.416 mm 13.393 mm HAYSTACK 7205 U Comp -106.06 mm -106.057 mm 17.443 mm 14.971 mm HAYSTACK 7205 E Comp 109.25 mm 109.253 mm 8.630 mm 7.407 mm HAYSTACK 7205 N Comp 135.00 mm 134.999 mm 5.719 mm 4.909 mm 114. HAYSTACK AT 0 1980.10.19-22:12:45.576 24.643 ps 22.981 ps 22.941 ps HAYSTACK Atm 1980.10.20-09:43:17.760 Avg: 5.860 ps Rms: 34.081 ps Tot_Rms: 34.581 ps || Nat: 140 Dura: 82200.0 sec Tzd_avg: 7733.7 Tzd_rms: 33.5 Wzd_avg: 242.0 Wzd_rms: 38.1 ps Prs_avg: 99413. Pa Tem_avg: 9.8 C Stm_avg: 0.3 C Stm_rms: 0.8 K Spr_avg: 641. Spr_rms: 46. Pa 184. HAYSTACK NG 1980.10.19-22:11:45.576 0.021 mm 0.421 mm 0.421 mm 185. HAYSTACK EG 1980.10.19-22:11:45.576 0.001 mm 0.420 mm 0.420 mm 186. HAYSTACK NG 1980.10.20-06:11:45.576 0.033 mm 0.376 mm 0.376 mm 187. HAYSTACK EG 1980.10.20-06:11:45.576 0.043 mm 0.375 mm 0.375 mm 188. HAYSTACK NG 1980.10.20-14:11:45.576 -0.034 mm 0.376 mm 0.376 mm 189. HAYSTACK EG 1980.10.20-14:11:45.576 -0.016 mm 0.376 mm 0.375 mm 190. HAYSTACK NG 1980.10.20-22:11:45.576 -0.025 mm 0.422 mm 0.421 mm 191. HAYSTACK EG 1980.10.20-22:11:45.576 0.024 mm 0.421 mm 0.421 mm 192. HRAS_085 7216 NOAM X Comp -1324211027.78 mm -10.783 mm 10.296 mm 10.278 mm 193. HRAS_085 7216 NOAM Y Comp -5332022996.22 mm 85.785 mm 32.297 mm 32.241 mm 194. HRAS_085 7216 NOAM Z Comp 3232118537.59 mm 230.592 mm 22.361 mm 22.322 mm HRAS_085 7216 U Comp 48.11 mm 48.110 mm 38.746 mm 33.255 mm HRAS_085 7216 E Comp -31.14 mm -31.142 mm 7.655 mm 6.570 mm HRAS_085 7216 N Comp 239.51 mm 239.507 mm 9.448 mm 8.109 mm 195. HRAS_085 CL 0 1980.10.19-22:12:45.576 7350.694 ns 0.272 ns 0.272 ns 196. HRAS_085 CL 1 1980.10.19-22:12:45.576 134.563 D-14 2.154 D-14 2.150 D-14 197. HRAS_085 CL 2 1980.10.19-22:12:45.576 5.360 D-14/day 1.948 D-14/day 1.945 D-14/day 221. HRAS_085 AT 0 1980.10.19-22:12:45.576 77.148 ps 102.158 ps 101.980 ps HRAS_085 Atm 1980.10.20-09:43:17.760 Avg: 40.717 ps Rms: 34.151 ps Tot_Rms: 53.142 ps || Nat: 105 Dura: 82200.0 sec Tzd_avg: 6729.0 Tzd_rms: 18.1 Wzd_avg: 330.7 Wzd_rms: 18.9 ps Prs_avg: 84878. Pa Tem_avg: 5.5 C Stm_avg: -1.4 C Stm_rms: 1.0 K Spr_avg: 595. Spr_rms: 58. Pa 291. HRAS_085 NG 1980.10.19-22:11:45.576 -0.015 mm 0.422 mm 0.421 mm 292. HRAS_085 EG 1980.10.19-22:11:45.576 0.008 mm 0.422 mm 0.421 mm 293. HRAS_085 NG 1980.10.20-06:11:45.576 0.002 mm 0.377 mm 0.376 mm 294. HRAS_085 EG 1980.10.20-06:11:45.576 -0.013 mm 0.377 mm 0.376 mm 295. HRAS_085 NG 1980.10.20-14:11:45.576 0.033 mm 0.377 mm 0.376 mm 296. HRAS_085 EG 1980.10.20-14:11:45.576 0.009 mm 0.377 mm 0.376 mm 297. HRAS_085 NG 1980.10.20-22:11:45.576 0.006 mm 0.422 mm 0.422 mm 298. HRAS_085 EG 1980.10.20-22:11:45.576 -0.011 mm 0.422 mm 0.421 mm 299. ONSALA60 7213 EURA X Comp 3370605981.32 mm -7.683 mm 8.191 mm 8.176 mm 300. ONSALA60 7213 EURA Y Comp 711917416.85 mm -112.150 mm 11.541 mm 11.521 mm 301. ONSALA60 7213 EURA Z Comp 5349830628.14 mm -137.863 mm 14.935 mm 14.909 mm ONSALA60 7213 U Comp -132.68 mm -132.677 mm 15.022 mm 12.893 mm ONSALA60 7213 E Comp -108.14 mm -108.141 mm 11.208 mm 9.620 mm ONSALA60 7213 N Comp -48.43 mm -48.429 mm 8.490 mm 7.287 mm 302. ONSALA60 CL 0 1980.10.19-22:12:45.576 21312.018 ns 0.186 ns 0.186 ns 303. ONSALA60 CL 1 1980.10.19-22:12:45.576 67.439 D-14 2.283 D-14 2.279 D-14 304. ONSALA60 CL 2 1980.10.19-22:12:45.576 -0.734 D-14/day 2.159 D-14/day 2.155 D-14/day 328. ONSALA60 AT 0 1980.10.19-22:12:45.576 28.113 ps 51.828 ps 51.738 ps ONSALA60 Atm 1980.10.20-09:43:17.760 Avg: 23.608 ps Rms: 31.253 ps Tot_Rms: 39.167 ps || Nat: 116 Dura: 77280.0 sec Tzd_avg: 7771.5 Tzd_rms: 725.1 Wzd_avg: 187.9 Wzd_rms: 18.7 ps Prs_avg: 101061. Pa Tem_avg: 7.5 C Stm_avg: -0.2 C Stm_rms: 0.7 K Spr_avg: 92. Spr_rms: 37. Pa 398. ONSALA60 NG 1980.10.19-22:11:45.576 -0.023 mm 0.422 mm 0.421 mm 399. ONSALA60 EG 1980.10.19-22:11:45.576 -0.017 mm 0.421 mm 0.421 mm 400. ONSALA60 NG 1980.10.20-06:11:45.576 0.004 mm 0.376 mm 0.376 mm 401. ONSALA60 EG 1980.10.20-06:11:45.576 -0.040 mm 0.376 mm 0.376 mm 402. ONSALA60 NG 1980.10.20-14:11:45.576 -0.032 mm 0.376 mm 0.375 mm 403. ONSALA60 EG 1980.10.20-14:11:45.576 -0.003 mm 0.376 mm 0.376 mm 404. ONSALA60 NG 1980.10.20-22:11:45.576 -0.019 mm 0.422 mm 0.421 mm 405. ONSALA60 EG 1980.10.20-22:11:45.576 0.015 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. CHLBOLTN Input 50.00 ps/h RMS 20.26 ps/h NRMS 0.41 share 0.85 count 70 2. HAYSTACK Input 50.00 ps/h RMS 22.89 ps/h NRMS 0.46 share 0.79 count 70 3. HRAS_085 Input 50.00 ps/h RMS 12.99 ps/h NRMS 0.26 share 0.92 count 70 4. ONSALA60 Input 50.00 ps/h RMS 16.54 ps/h NRMS 0.33 share 0.81 count 70 Overall RMS 18.55 ps/h NRMS 0.37 share 0.84 count 280 Gradient Constraint Statistics 1. CHLBOLTN Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.53 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 1. CHLBOLTN Input 5.00 D-14 RMS 2.22 D-14 NRMS 0.44 share 0.37 count 24 3. HRAS_085 Input 5.00 D-14 RMS 2.25 D-14 NRMS 0.45 share 0.24 count 24 4. ONSALA60 Input 5.00 D-14 RMS 1.35 D-14 NRMS 0.27 share 0.30 count 24 Overall RMS 1.99 D-14 NRMS 0.40 share 0.30 count 72 406. UT1-TAI 1, 1980.10.20-09:38:00.000 -2.8154 ms/d 132.25 micros/d 91.36 micros/d 91.20 micros/d EOP epoch (TDT) MJD: 44532.401761 NUT epoch (TDT) MJD: 44532.387699 407. Nutation DPSI wrt apriori model 1980.10.20-09:37:46.056 2.517 mas 1093.9 microasec 1092.0 microasec Nutation Dx wrt apriori model 1980.10.20-09:37:46.056 1.007 mas 433.1 microasec 432.4 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.20-09:37:46.056 5.312 mas 1093.9 microasec 1092.0 microasec 408. Nutation DEPS wrt apriori model 1980.10.20-09:37:46.056 -1.302 mas 477.7 microasec 476.9 microasec Nutation Dy wrt apriori model 1980.10.20-09:37:46.056 -1.297 mas 479.6 microasec 478.7 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.20-09:37:46.056 -2.405 mas 477.7 microasec 476.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0535 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) CHLBOLTN 7215 to HAYSTACK 7205 5072314456.19 10.47 5072314456.19 10.47 150.31 6.32 -13.16 30.96 CHLBOLTN 7215 to HRAS_085 7216 7663737359.07 33.75 7663737359.07 33.75 307.19 7.44 -151.65 48.75 CHLBOLTN 7215 to ONSALA60 7213 1109864324.84 6.09 1109864324.84 6.09 60.26 5.53 -2.24 23.97 HAYSTACK 7205 to HRAS_085 7216 3135640999.07 13.67 3135640999.07 13.67 112.46 5.83 -209.80 50.60 HAYSTACK 7205 to ONSALA60 7213 5599714437.24 8.82 5599714437.24 8.82 97.22 5.97 63.60 26.35 HRAS_085 7216 to ONSALA60 7213 7940732142.82 32.99 7940732142.82 32.99 251.10 7.26 225.49 46.42 NNT_POS: 5 stations participated in NNT_POS constraints: CHLBOLTN HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1733 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:33:59 Correlator type: Unknown Experiment code: mert15 Mark-3 db_name: $80OCT20X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801020_a Ver 2 mert15 Matrix Condition Number = 6.921852728078176E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- CHLBOLTN: GION | | HAYSTACK: GION | | HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for CHLBOLTN is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms CHLBOLTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 6.2 3.1 998.5 1.3 47.5 1.7 HRAS_085 MET 6.3 3.8 847.3 0.7 74.8 15.9 ONSALA60 MET 5.2 2.6 1015.9 1.1 64.0 15.2 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 11.2 8.0 881.2 1.1 10.9 0.9 Run 26091-1733 1367 Observation Pairs Available Session started on: 2444533.423100 1980.10.20 22:09:15.840 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 741 54.171 ps 0.89 1.0028 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 791 Number of potentially good observations with QC 5-9: 791 Number of used observations: 741 ( 93.68%) Number of suppressed observations: 50 ( 6.32%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps CHLBOLTN HAYSTACK 83 86 49.527 0.87 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT CHLBOLTN HRAS_085 58 60 82.569 0.93 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT CHLBOLTN ONSALA60 102 112 61.813 0.90 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT CHLBOLTN OVRO_130 82 83 74.139 0.91 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT HAYSTACK HRAS_085 65 69 62.566 0.90 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT HAYSTACK ONSALA60 89 96 47.037 0.85 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT HAYSTACK OVRO_130 51 54 51.744 0.89 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT HRAS_085 ONSALA60 52 61 73.961 0.91 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT HRAS_085 OVRO_130 89 94 33.461 0.82 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 70 76 70.060 0.90 19801020_a mert15 1980.10.21-09:34:16.3 BAS_STAT Not included: CHLBOLTN ONSALA85 0/ 0 deselected baseline 19801020_a mert15 HAYSTACK ONSALA85 0/ 0 deselected baseline 19801020_a mert15 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801020_a mert15 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801020_a mert15 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 19 32 28.982 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 0235+164 J0238+1636 47 47 76 62.019 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 0552+398 J0555+3948 68 71 124 65.453 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 1642+690 J1642+6856 85 90 163 127.196 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 2134+00 J2136+0041 18 18 24 60.077 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 3C273B J1229+0203 28 31 53 42.748 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 3C345 J1642+3948 81 85 139 38.152 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 3C454.3 J2253+1608 37 38 58 35.729 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 4C39.25 J0927+3902 68 81 139 49.744 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: 4C67.05 J0228+6721 35 40 84 141.147 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: NRAO150 J0359+5057 60 72 150 45.887 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: OJ287 J0854+2006 59 60 105 80.579 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: OQ208 J1407+2827 51 53 96 75.770 19801020_a mert15 1980.10.21-09:34:16.320 SRC_STAT: VR422201 J2202+4216 86 86 124 35.985 19801020_a mert15 1980.10.21-09:34:16.320 ------------------------------------------------ Parameter adjustments for run 26091-1733 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.21-09:33:44 1. CHLBOLTN 7215 EURA X Comp 4008309965.95 mm -80.052 mm 12.803 mm 12.821 mm 2. CHLBOLTN 7215 EURA Y Comp -100650849.37 mm -145.370 mm 10.653 mm 10.668 mm 3. CHLBOLTN 7215 EURA Z Comp 4943794682.55 mm -156.453 mm 16.814 mm 16.838 mm CHLBOLTN 7215 U Comp -169.75 mm -169.751 mm 20.015 mm 17.720 mm CHLBOLTN 7215 E Comp -147.33 mm -147.334 mm 10.630 mm 9.412 mm CHLBOLTN 7215 N Comp -38.67 mm -38.673 mm 6.819 mm 6.037 mm 4. CHLBOLTN CL 0 1980.10.20-22:08:43.656 32065.071 ns 0.130 ns 0.130 ns 5. CHLBOLTN CL 1 1980.10.20-22:08:43.656 492.499 D-14 2.136 D-14 2.139 D-14 6. CHLBOLTN CL 2 1980.10.20-22:08:43.656 -9.377 D-14/day 1.956 D-14/day 1.958 D-14/day 30. CHLBOLTN AT 0 1980.10.20-22:08:43.656 12.894 ps 30.423 ps 30.466 ps CHLBOLTN Atm 1980.10.21-09:39:15.840 Avg: -37.159 ps Rms: 58.085 ps Tot_Rms: 68.954 ps || Nat: 115 Dura: 82200.0 sec Tzd_avg: 7980.8 Tzd_rms: 67.9 Wzd_avg: 361.3 Wzd_rms: 54.3 ps Prs_avg: 99573. Pa Tem_avg: 14.0 C Stm_avg: 3.0 C Stm_rms: 1.4 K Spr_avg: -1011. Spr_rms: 347. Pa 100. CHLBOLTN NG 1980.10.20-22:07:43.656 -0.011 mm 0.421 mm 0.422 mm 101. CHLBOLTN EG 1980.10.20-22:07:43.656 0.006 mm 0.421 mm 0.422 mm 102. CHLBOLTN NG 1980.10.21-06:07:43.656 0.006 mm 0.377 mm 0.377 mm 103. CHLBOLTN EG 1980.10.21-06:07:43.656 0.035 mm 0.377 mm 0.377 mm 104. CHLBOLTN NG 1980.10.21-14:07:43.656 -0.013 mm 0.376 mm 0.377 mm 105. CHLBOLTN EG 1980.10.21-14:07:43.656 0.042 mm 0.376 mm 0.377 mm 106. CHLBOLTN NG 1980.10.21-22:07:43.656 0.021 mm 0.422 mm 0.422 mm 107. CHLBOLTN EG 1980.10.21-22:07:43.656 -0.051 mm 0.422 mm 0.422 mm 108. HAYSTACK 7205 NOAM X Comp 1492404731.42 mm 35.420 mm 6.323 mm 6.332 mm 109. HAYSTACK 7205 NOAM Y Comp -4457266335.34 mm 199.660 mm 11.690 mm 11.707 mm 110. HAYSTACK 7205 NOAM Z Comp 4296881772.75 mm -21.249 mm 11.138 mm 11.153 mm HAYSTACK 7205 U Comp -145.43 mm -145.427 mm 15.107 mm 13.375 mm HAYSTACK 7205 E Comp 96.98 mm 96.980 mm 7.196 mm 6.371 mm HAYSTACK 7205 N Comp 104.96 mm 104.958 mm 4.545 mm 4.024 mm 111. HAYSTACK AT 0 1980.10.20-22:08:43.656 35.301 ps 19.934 ps 19.962 ps HAYSTACK Atm 1980.10.21-09:39:15.840 Avg: 31.924 ps Rms: 24.100 ps Tot_Rms: 40.000 ps || Nat: 128 Dura: 82200.0 sec Tzd_avg: 7745.3 Tzd_rms: 43.4 Wzd_avg: 218.6 Wzd_rms: 47.4 ps Prs_avg: 99852. Pa Tem_avg: 6.2 C Stm_avg: -0.6 C Stm_rms: 1.2 K Spr_avg: 628. Spr_rms: 52. Pa 181. HAYSTACK NG 1980.10.20-22:07:43.656 0.043 mm 0.421 mm 0.421 mm 182. HAYSTACK EG 1980.10.20-22:07:43.656 0.065 mm 0.420 mm 0.420 mm 183. HAYSTACK NG 1980.10.21-06:07:43.656 0.019 mm 0.377 mm 0.377 mm 184. HAYSTACK EG 1980.10.21-06:07:43.656 0.013 mm 0.376 mm 0.377 mm 185. HAYSTACK NG 1980.10.21-14:07:43.656 0.001 mm 0.376 mm 0.377 mm 186. HAYSTACK EG 1980.10.21-14:07:43.656 -0.037 mm 0.376 mm 0.376 mm 187. HAYSTACK NG 1980.10.21-22:07:43.656 -0.033 mm 0.422 mm 0.422 mm 188. HAYSTACK EG 1980.10.21-22:07:43.656 0.101 mm 0.420 mm 0.421 mm 189. HRAS_085 7216 NOAM X Comp -1324211032.95 mm -15.946 mm 8.103 mm 8.114 mm 190. HRAS_085 7216 NOAM Y Comp -5332023022.81 mm 59.192 mm 28.252 mm 28.292 mm 191. HRAS_085 7216 NOAM Z Comp 3232118512.74 mm 205.742 mm 18.712 mm 18.739 mm HRAS_085 7216 U Comp 58.72 mm 58.724 mm 33.695 mm 29.832 mm HRAS_085 7216 E Comp -29.74 mm -29.742 mm 5.611 mm 4.968 mm HRAS_085 7216 N Comp 204.34 mm 204.340 mm 6.864 mm 6.077 mm 192. HRAS_085 CL 0 1980.10.20-22:08:43.656 7471.189 ns 0.225 ns 0.226 ns 193. HRAS_085 CL 1 1980.10.20-22:08:43.656 140.576 D-14 2.119 D-14 2.122 D-14 194. HRAS_085 CL 2 1980.10.20-22:08:43.656 2.211 D-14/day 1.921 D-14/day 1.924 D-14/day 218. HRAS_085 AT 0 1980.10.20-22:08:43.656 62.153 ps 84.575 ps 84.695 ps HRAS_085 Atm 1980.10.21-09:39:15.840 Avg: 36.529 ps Rms: 33.467 ps Tot_Rms: 49.542 ps || Nat: 105 Dura: 82200.0 sec Tzd_avg: 6636.2 Tzd_rms: 22.7 Wzd_avg: 242.6 Wzd_rms: 22.7 ps Prs_avg: 84732. Pa Tem_avg: 6.3 C Stm_avg: -2.4 C Stm_rms: 2.2 K Spr_avg: 550. Spr_rms: 66. Pa 288. HRAS_085 NG 1980.10.20-22:07:43.656 -0.017 mm 0.422 mm 0.422 mm 289. HRAS_085 EG 1980.10.20-22:07:43.656 -0.017 mm 0.421 mm 0.422 mm 290. HRAS_085 NG 1980.10.21-06:07:43.656 -0.007 mm 0.377 mm 0.377 mm 291. HRAS_085 EG 1980.10.21-06:07:43.656 0.010 mm 0.377 mm 0.377 mm 292. HRAS_085 NG 1980.10.21-14:07:43.656 0.041 mm 0.376 mm 0.377 mm 293. HRAS_085 EG 1980.10.21-14:07:43.656 -0.002 mm 0.376 mm 0.377 mm 294. HRAS_085 NG 1980.10.21-22:07:43.656 0.009 mm 0.422 mm 0.423 mm 295. HRAS_085 EG 1980.10.21-22:07:43.656 0.015 mm 0.422 mm 0.422 mm 296. ONSALA60 7213 EURA X Comp 3370605954.46 mm -34.540 mm 7.906 mm 7.917 mm 297. ONSALA60 7213 EURA Y Comp 711917441.86 mm -87.135 mm 10.276 mm 10.291 mm 298. ONSALA60 7213 EURA Z Comp 5349830606.38 mm -159.621 mm 13.888 mm 13.908 mm ONSALA60 7213 U Comp -162.38 mm -162.379 mm 13.963 mm 12.362 mm ONSALA60 7213 E Comp -78.12 mm -78.116 mm 9.886 mm 8.753 mm ONSALA60 7213 N Comp -42.37 mm -42.370 mm 8.263 mm 7.315 mm 299. ONSALA60 CL 0 1980.10.20-22:08:43.656 21369.758 ns 0.108 ns 0.108 ns 300. ONSALA60 CL 1 1980.10.20-22:08:43.656 70.621 D-14 2.143 D-14 2.147 D-14 301. ONSALA60 CL 2 1980.10.20-22:08:43.656 -2.777 D-14/day 1.964 D-14/day 1.967 D-14/day 325. ONSALA60 AT 0 1980.10.20-22:08:43.656 50.850 ps 24.353 ps 24.387 ps ONSALA60 Atm 1980.10.21-09:39:15.840 Avg: 20.721 ps Rms: 15.837 ps Tot_Rms: 26.080 ps || Nat: 124 Dura: 82200.0 sec Tzd_avg: 7726.2 Tzd_rms: 989.6 Wzd_avg: 158.7 Wzd_rms: 31.6 ps Prs_avg: 101592. Pa Tem_avg: 5.1 C Stm_avg: -1.0 C Stm_rms: 2.7 K Spr_avg: 82. Spr_rms: 119. Pa 395. ONSALA60 NG 1980.10.20-22:07:43.656 -0.034 mm 0.421 mm 0.421 mm 396. ONSALA60 EG 1980.10.20-22:07:43.656 -0.009 mm 0.421 mm 0.422 mm 397. ONSALA60 NG 1980.10.21-06:07:43.656 -0.019 mm 0.376 mm 0.377 mm 398. ONSALA60 EG 1980.10.21-06:07:43.656 -0.047 mm 0.376 mm 0.377 mm 399. ONSALA60 NG 1980.10.21-14:07:43.656 -0.017 mm 0.375 mm 0.376 mm 400. ONSALA60 EG 1980.10.21-14:07:43.656 -0.031 mm 0.376 mm 0.377 mm 401. ONSALA60 NG 1980.10.21-22:07:43.656 -0.019 mm 0.422 mm 0.422 mm 402. ONSALA60 EG 1980.10.21-22:07:43.656 0.032 mm 0.422 mm 0.422 mm 403. OVRO_130 7207 NOAM X Comp -2409600791.88 mm 95.117 mm 8.327 mm 8.339 mm 404. OVRO_130 7207 NOAM Y Comp -4478349490.35 mm -26.347 mm 14.140 mm 14.160 mm 405. OVRO_130 7207 NOAM Z Comp 3838603319.58 mm 131.580 mm 13.120 mm 13.139 mm OVRO_130 7207 U Comp 62.20 mm 62.200 mm 18.877 mm 16.713 mm OVRO_130 7207 E Comp 96.25 mm 96.246 mm 5.948 mm 5.266 mm OVRO_130 7207 N Comp 117.99 mm 117.994 mm 7.049 mm 6.241 mm 406. OVRO_130 CL 0 1980.10.20-22:08:43.656 7601.769 ns 0.134 ns 0.135 ns 407. OVRO_130 CL 1 1980.10.20-22:08:43.656 -105.493 D-14 2.114 D-14 2.117 D-14 408. OVRO_130 CL 2 1980.10.20-22:08:43.656 -2.450 D-14/day 1.921 D-14/day 1.924 D-14/day 432. OVRO_130 AT 0 1980.10.20-22:08:43.656 56.638 ps 46.407 ps 46.472 ps OVRO_130 Atm 1980.10.21-09:39:15.840 Avg: 35.428 ps Rms: 29.204 ps Tot_Rms: 45.913 ps || Nat: 110 Dura: 82200.0 sec Tzd_avg: 6897.3 Tzd_rms: 14.0 Wzd_avg: 209.1 Wzd_rms: 6.3 ps Prs_avg: 88127. Pa Tem_avg: 11.3 C Stm_avg: -7.4 C Stm_rms: 5.8 K Spr_avg: 7. Spr_rms: 62. Pa 502. OVRO_130 NG 1980.10.20-22:07:43.656 0.004 mm 0.422 mm 0.423 mm 503. OVRO_130 EG 1980.10.20-22:07:43.656 -0.009 mm 0.421 mm 0.422 mm 504. OVRO_130 NG 1980.10.21-06:07:43.656 0.018 mm 0.377 mm 0.377 mm 505. OVRO_130 EG 1980.10.21-06:07:43.656 0.008 mm 0.376 mm 0.377 mm 506. OVRO_130 NG 1980.10.21-14:07:43.656 -0.027 mm 0.376 mm 0.377 mm 507. OVRO_130 EG 1980.10.21-14:07:43.656 0.043 mm 0.376 mm 0.377 mm 508. OVRO_130 NG 1980.10.21-22:07:43.656 -0.005 mm 0.422 mm 0.423 mm 509. OVRO_130 EG 1980.10.21-22:07:43.656 -0.031 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. CHLBOLTN Input 50.00 ps/h RMS 27.22 ps/h NRMS 0.54 share 0.82 count 70 2. HAYSTACK Input 50.00 ps/h RMS 17.79 ps/h NRMS 0.36 share 0.80 count 70 3. HRAS_085 Input 50.00 ps/h RMS 13.52 ps/h NRMS 0.27 share 0.89 count 70 4. ONSALA60 Input 50.00 ps/h RMS 24.14 ps/h NRMS 0.48 share 0.76 count 70 6. OVRO_130 Input 50.00 ps/h RMS 18.43 ps/h NRMS 0.37 share 0.85 count 70 Overall RMS 20.80 ps/h NRMS 0.42 share 0.82 count 350 Gradient Constraint Statistics 1. CHLBOLTN Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.53 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.53 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.54 count 8 Overall RMS 0.13 mm/d NRMS 0.07 share 0.53 count 40 Clock Constraint Statistics 1. CHLBOLTN Input 5.00 D-14 RMS 3.64 D-14 NRMS 0.73 share 0.26 count 24 3. HRAS_085 Input 5.00 D-14 RMS 1.92 D-14 NRMS 0.38 share 0.25 count 24 4. ONSALA60 Input 5.00 D-14 RMS 2.18 D-14 NRMS 0.44 share 0.28 count 24 6. OVRO_130 Input 5.00 D-14 RMS 2.66 D-14 NRMS 0.53 share 0.25 count 24 Overall RMS 2.68 D-14 NRMS 0.54 share 0.26 count 96 510. UT1-TAI 1, 1980.10.21-09:34:00.000 -3.1293 ms/d 12.59 micros/d 53.86 micros/d 53.94 micros/d EOP epoch (TDT) MJD: 44533.398984 NUT epoch (TDT) MJD: 44533.368139 511. Nutation DPSI wrt apriori model 1980.10.21-09:33:44.136 1.420 mas 830.5 microasec 831.7 microasec Nutation Dx wrt apriori model 1980.10.21-09:33:44.136 0.568 mas 329.0 microasec 329.5 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.21-09:33:44.136 4.370 mas 830.5 microasec 831.7 microasec 512. Nutation DEPS wrt apriori model 1980.10.21-09:33:44.136 -0.774 mas 318.5 microasec 319.0 microasec Nutation Dy wrt apriori model 1980.10.21-09:33:44.136 -0.772 mas 319.9 microasec 320.4 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.21-09:33:44.136 -1.633 mas 318.5 microasec 319.0 microasec 513. CHLBOLTN HRAS_085 Clock offset 17.751 ps 16.878 ps 16.902 ps 514. CHLBOLTN ONSALA60 Clock offset 17.042 ps 11.705 ps 11.721 ps 515. CHLBOLTN OVRO_130 Clock offset -9.575 ps 15.035 ps 15.057 ps 516. HRAS_085 ONSALA60 Clock offset -12.848 ps 16.604 ps 16.627 ps 517. HRAS_085 OVRO_130 Clock offset 3.239 ps 13.632 ps 13.652 ps 518. ONSALA60 OVRO_130 Clock offset -10.278 ps 15.046 ps 15.068 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0414 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) CHLBOLTN 7215 to HAYSTACK 7205 5072314457.38 9.66 5072314457.38 9.66 111.32 5.16 -26.96 27.56 CHLBOLTN 7215 to HRAS_085 7216 7663737360.51 28.96 7663737360.51 28.96 259.25 5.97 -199.08 43.06 CHLBOLTN 7215 to ONSALA60 7213 1109864318.57 5.88 1109864318.57 5.88 67.25 5.22 -26.75 24.38 CHLBOLTN 7215 to OVRO_130 7207 7846991260.06 20.92 7846991260.06 20.92 118.86 6.65 -225.98 30.51 HAYSTACK 7205 to HRAS_085 7216 3135640991.28 12.15 3135640991.28 12.15 108.76 5.89 -248.99 43.80 HAYSTACK 7205 to ONSALA60 7213 5599714457.27 8.01 5599714457.27 8.01 68.95 4.99 52.89 21.15 HAYSTACK 7205 to OVRO_130 7207 3928881614.91 9.23 3928881614.91 9.23 -46.17 6.31 -264.78 27.17 HRAS_085 7216 to ONSALA60 7213 7940732170.10 28.14 7940732170.10 28.14 209.39 5.90 251.18 39.66 HRAS_085 7216 to OVRO_130 7207 1508195361.93 7.61 1508195361.93 7.61 -8.26 5.14 8.17 40.42 ONSALA60 7213 to OVRO_130 7207 7914130954.85 18.09 7914130954.85 18.09 50.80 6.86 -257.99 26.75 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:02 Correlator type: Unknown Experiment code: mert16 Mark-3 db_name: $80OCT21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801021_a Ver 2 mert16 Matrix Condition Number = 5.306666652119145E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- CHLBOLTN: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms CHLBOLTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 7.8 2.0 1003.4 2.4 51.4 12.5 HRAS_085 MET 7.7 5.1 845.0 0.5 53.2 13.5 ONSALA60 MET 1.6 1.7 1012.1 2.0 89.6 2.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 12.1 7.8 879.2 1.4 11.2 1.4 Run 26091-1734 1277 Observation Pairs Available Session started on: 2444534.420400 1980.10.21 22:05:22.560 UTC Nominal duration: 82192.320 sec 00 22:49:52.320 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 247 40.235 ps 0.83 1.0093 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 264 Number of potentially good observations with QC 5-9: 264 Number of used observations: 247 ( 93.56%) Number of suppressed observations: 17 ( 6.44%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 77 83 53.679 0.87 19801021_a mert16 1980.10.22-09:30:18.7 BAS_STAT HAYSTACK OVRO_130 79 87 39.044 0.81 19801021_a mert16 1980.10.22-09:30:18.7 BAS_STAT HRAS_085 OVRO_130 91 94 34.598 0.83 19801021_a mert16 1980.10.22-09:30:18.7 BAS_STAT ONSALA60-ONSALA85 No Data Not included: CHLBOLTN HAYSTACK 0/ 0 deselected baseline 19801021_a mert16 CHLBOLTN HRAS_085 0/ 0 deselected baseline 19801021_a mert16 CHLBOLTN ONSALA60 0/ 0 deselected baseline 19801021_a mert16 CHLBOLTN ONSALA85 0/ 0 deselected baseline 19801021_a mert16 CHLBOLTN OVRO_130 0/ 0 deselected baseline 19801021_a mert16 HAYSTACK ONSALA60 0/ 0 deselected baseline 19801021_a mert16 HAYSTACK ONSALA85 0/ 0 deselected baseline 19801021_a mert16 HRAS_085 ONSALA60 0/ 0 deselected baseline 19801021_a mert16 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801021_a mert16 ONSALA60 OVRO_130 0/ 0 deselected baseline 19801021_a mert16 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801021_a mert16 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 32 24.187 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 0235+164 J0238+1636 17 18 71 58.923 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 0552+398 J0555+3948 21 21 110 37.669 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 1642+690 J1642+6856 20 22 155 78.831 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 2134+00 J2136+0041 9 10 28 26.678 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 3C273B J1229+0203 8 11 49 36.815 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 3C345 J1642+3948 25 25 132 31.446 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 3C454.3 J2253+1608 12 14 58 43.585 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 4C39.25 J0927+3902 25 28 134 42.637 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: 4C67.05 J0228+6721 11 12 75 111.052 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: NRAO150 J0359+5057 25 26 132 31.994 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: OJ287 J0854+2006 20 21 86 52.734 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: OQ208 J1407+2827 20 21 95 67.211 19801021_a mert16 1980.10.22-09:30:18.720 SRC_STAT: VR422201 J2202+4216 19 20 120 27.666 19801021_a mert16 1980.10.22-09:30:18.720 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.22-09:29:46 1. HAYSTACK 7205 NOAM X Comp 1492404708.49 mm 12.491 mm 6.437 mm 6.467 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266387.53 mm 147.471 mm 22.933 mm 23.039 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881636.68 mm -157.319 mm 17.107 mm 17.186 mm HAYSTACK 7205 U Comp -206.51 mm -206.512 mm 26.553 mm 22.165 mm HAYSTACK 7205 E Comp 58.67 mm 58.667 mm 11.716 mm 9.780 mm HAYSTACK 7205 N Comp -23.75 mm -23.748 mm 4.208 mm 3.512 mm 4. HAYSTACK CL 0 1980.10.21-22:04:50.376 -7507.810 ns 0.254 ns 0.255 ns 5. HAYSTACK CL 1 1980.10.21-22:04:50.376 107.140 D-14 2.862 D-14 2.875 D-14 6. HAYSTACK CL 2 1980.10.21-22:04:50.376 4.193 D-14/day 3.909 D-14/day 3.927 D-14/day 7. HAYSTACK BR 0 1980.10.22-13:02:55.632 0.672 ns 0.109 ns 0.109 ns 8. HAYSTACK BR 1 1980.10.22-13:02:55.632 -77.330 D-14 4.799 D-14 4.821 D-14 9. HAYSTACK BR 2 1980.10.22-13:02:55.632 -9.183 D-14/day 10.677 D-14/day 10.726 D-14/day 33. HAYSTACK AT 0 1980.10.21-22:04:50.376 27.635 ps 50.685 ps 50.919 ps HAYSTACK Atm 1980.10.22-09:35:22.560 Avg: 22.675 ps Rms: 31.220 ps Tot_Rms: 38.585 ps || Nat: 123 Dura: 82200.0 sec Tzd_avg: 7743.7 Tzd_rms: 25.5 Wzd_avg: 179.8 Wzd_rms: 42.3 ps Prs_avg: 100333. Pa Tem_avg: 7.7 C Stm_avg: 0.0 C Stm_rms: 1.4 K Spr_avg: 635. Spr_rms: 41. Pa 103. HAYSTACK NG 1980.10.21-22:03:50.376 -0.007 mm 0.422 mm 0.424 mm 104. HAYSTACK EG 1980.10.21-22:03:50.376 -0.004 mm 0.422 mm 0.424 mm 105. HAYSTACK NG 1980.10.22-06:03:50.376 0.004 mm 0.377 mm 0.379 mm 106. HAYSTACK EG 1980.10.22-06:03:50.376 0.014 mm 0.377 mm 0.378 mm 107. HAYSTACK NG 1980.10.22-14:03:50.376 0.015 mm 0.377 mm 0.379 mm 108. HAYSTACK EG 1980.10.22-14:03:50.376 -0.037 mm 0.377 mm 0.378 mm 109. HAYSTACK NG 1980.10.22-22:03:50.376 -0.004 mm 0.422 mm 0.424 mm 110. HAYSTACK EG 1980.10.22-22:03:50.376 -0.003 mm 0.422 mm 0.424 mm 111. HRAS_085 7216 NOAM X Comp -1324211070.00 mm -53.003 mm 6.934 mm 6.966 mm 112. HRAS_085 7216 NOAM Y Comp -5332023120.51 mm -38.509 mm 27.277 mm 27.403 mm 113. HRAS_085 7216 NOAM Z Comp 3232118418.49 mm 111.494 mm 16.870 mm 16.948 mm HRAS_085 7216 U Comp 99.97 mm 99.965 mm 32.317 mm 26.977 mm HRAS_085 7216 E Comp -42.16 mm -42.159 mm 4.121 mm 3.440 mm HRAS_085 7216 N Comp 70.38 mm 70.375 mm 3.923 mm 3.275 mm 114. HRAS_085 CL 0 1980.10.21-22:04:50.376 86.752 ns 0.283 ns 0.285 ns 115. HRAS_085 CL 1 1980.10.21-22:04:50.376 244.263 D-14 2.233 D-14 2.244 D-14 116. HRAS_085 CL 2 1980.10.21-22:04:50.376 5.944 D-14/day 2.001 D-14/day 2.010 D-14/day 140. HRAS_085 AT 0 1980.10.21-22:04:50.376 -73.949 ps 99.140 ps 99.598 ps HRAS_085 Atm 1980.10.22-09:35:22.560 Avg: -88.991 ps Rms: 42.665 ps Tot_Rms: 98.690 ps || Nat: 105 Dura: 82200.0 sec Tzd_avg: 6541.9 Tzd_rms: 23.4 Wzd_avg: 161.0 Wzd_rms: 24.2 ps Prs_avg: 84499. Pa Tem_avg: 7.7 C Stm_avg: -4.5 C Stm_rms: 3.2 K Spr_avg: 518. Spr_rms: 56. Pa 210. HRAS_085 NG 1980.10.21-22:03:50.376 0.001 mm 0.422 mm 0.424 mm 211. HRAS_085 EG 1980.10.21-22:03:50.376 -0.002 mm 0.422 mm 0.423 mm 212. HRAS_085 NG 1980.10.22-06:03:50.376 0.015 mm 0.377 mm 0.378 mm 213. HRAS_085 EG 1980.10.22-06:03:50.376 -0.022 mm 0.377 mm 0.378 mm 214. HRAS_085 NG 1980.10.22-14:03:50.376 -0.014 mm 0.377 mm 0.378 mm 215. HRAS_085 EG 1980.10.22-14:03:50.376 0.005 mm 0.376 mm 0.378 mm 216. HRAS_085 NG 1980.10.22-22:03:50.376 -0.017 mm 0.422 mm 0.424 mm 217. HRAS_085 EG 1980.10.22-22:03:50.376 0.039 mm 0.422 mm 0.424 mm 218. OVRO_130 7207 NOAM X Comp -2409600846.49 mm 40.512 mm 6.608 mm 6.639 mm 219. OVRO_130 7207 NOAM Y Comp -4478349572.96 mm -108.963 mm 15.753 mm 15.826 mm 220. OVRO_130 7207 NOAM Z Comp 3838603233.83 mm 45.825 mm 12.139 mm 12.195 mm OVRO_130 7207 U Comp 88.84 mm 88.841 mm 19.917 mm 16.626 mm OVRO_130 7207 E Comp 87.30 mm 87.305 mm 5.089 mm 4.248 mm OVRO_130 7207 N Comp -9.96 mm -9.956 mm 4.072 mm 3.399 mm 221. OVRO_130 AT 0 1980.10.21-22:04:50.376 -13.096 ps 60.441 ps 60.720 ps OVRO_130 Atm 1980.10.22-09:35:22.560 Avg: -23.402 ps Rms: 23.548 ps Tot_Rms: 33.199 ps || Nat: 110 Dura: 82200.0 sec Tzd_avg: 6921.3 Tzd_rms: 42.9 Wzd_avg: 246.7 Wzd_rms: 31.1 ps Prs_avg: 87914. Pa Tem_avg: 12.0 C Stm_avg: -4.8 C Stm_rms: 4.5 K Spr_avg: -41. Spr_rms: 51. Pa 291. OVRO_130 NG 1980.10.21-22:03:50.376 0.006 mm 0.422 mm 0.424 mm 292. OVRO_130 EG 1980.10.21-22:03:50.376 0.010 mm 0.422 mm 0.424 mm 293. OVRO_130 NG 1980.10.22-06:03:50.376 -0.016 mm 0.377 mm 0.378 mm 294. OVRO_130 EG 1980.10.22-06:03:50.376 0.031 mm 0.376 mm 0.378 mm 295. OVRO_130 NG 1980.10.22-14:03:50.376 0.011 mm 0.377 mm 0.378 mm 296. OVRO_130 EG 1980.10.22-14:03:50.376 0.047 mm 0.376 mm 0.378 mm 297. OVRO_130 NG 1980.10.22-22:03:50.376 0.002 mm 0.422 mm 0.424 mm 298. OVRO_130 EG 1980.10.22-22:03:50.376 -0.049 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 2. HAYSTACK Input 50.00 ps/h RMS 14.99 ps/h NRMS 0.30 share 0.88 count 70 3. HRAS_085 Input 50.00 ps/h RMS 18.48 ps/h NRMS 0.37 share 0.89 count 70 6. OVRO_130 Input 50.00 ps/h RMS 17.94 ps/h NRMS 0.36 share 0.86 count 70 Overall RMS 17.21 ps/h NRMS 0.34 share 0.88 count 210 Gradient Constraint Statistics 2. HAYSTACK Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.54 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.54 count 24 Clock Constraint Statistics 2. HAYSTACK Input 5.00 D-14 RMS 2.54 D-14 NRMS 0.51 share 0.33 count 24 3. HRAS_085 Input 5.00 D-14 RMS 2.75 D-14 NRMS 0.55 share 0.24 count 24 Overall RMS 2.65 D-14 NRMS 0.53 share 0.29 count 48 299. UT1-TAI 1, 1980.10.22-09:30:00.000 -3.2628 ms/d -8.32 micros/d 206.79 micros/d 207.75 micros/d EOP epoch (TDT) MJD: 44534.396206 NUT epoch (TDT) MJD: 44534.392677 300. Nutation DPSI wrt apriori model 1980.10.22-09:29:46.536 1.280 mas 1615.8 microasec 1623.3 microasec Nutation Dx wrt apriori model 1980.10.22-09:29:46.536 0.512 mas 639.5 microasec 642.5 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.22-09:29:46.536 4.350 mas 1615.8 microasec 1623.3 microasec 301. Nutation DEPS wrt apriori model 1980.10.22-09:29:46.536 -0.689 mas 761.8 microasec 765.3 microasec Nutation Dy wrt apriori model 1980.10.22-09:29:46.536 -0.687 mas 764.6 microasec 768.1 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.22-09:29:46.536 -1.339 mas 761.8 microasec 765.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1001 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641002.47 13.65 3135641002.47 13.65 120.19 6.12 -310.35 56.66 HAYSTACK 7205 to OVRO_130 7207 3928881640.66 10.09 3928881640.66 10.09 -27.06 6.15 -323.36 37.18 HRAS_085 7216 to OVRO_130 7207 1508195386.52 8.58 1508195386.52 8.58 -8.85 5.43 9.90 45.48 NNT_POS: 5 stations participated in NNT_POS constraints: CHLBOLTN HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:06 Correlator type: Unknown Experiment code: mert17 Mark-3 db_name: $80OCT22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801022_a Ver 2 mert17 Matrix Condition Number = 8.798007909518274E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- CHLBOLTN: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for CHLBOLTN is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms CHLBOLTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 3.6 2.9 1016.1 3.6 37.5 2.7 HRAS_085 MET 8.6 5.2 845.1 1.2 35.2 0.7 ONSALA60 MET 4.3 1.2 1001.3 4.5 84.6 10.5 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 10.8 8.1 881.0 2.2 11.6 0.5 Run 26091-1734 1408 Observation Pairs Available Session started on: 2444535.417600 1980.10.22 22:01:20.640 UTC Nominal duration: 82200.960 sec 00 22:50:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 821 47.354 ps 0.88 0.9871 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 852 Number of potentially good observations with QC 5-9: 852 Number of used observations: 821 ( 96.36%) Number of suppressed observations: 31 ( 3.64%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps CHLBOLTN HAYSTACK 97 101 40.689 0.85 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT CHLBOLTN HRAS_085 59 60 81.285 0.94 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT CHLBOLTN ONSALA60 104 109 32.731 0.83 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT CHLBOLTN OVRO_130 71 76 57.771 0.89 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT HAYSTACK HRAS_085 91 93 38.936 0.84 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT HAYSTACK ONSALA60 95 99 48.418 0.86 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT HAYSTACK OVRO_130 96 99 45.578 0.89 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT HRAS_085 ONSALA60 48 50 106.153 0.96 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT HRAS_085 OVRO_130 95 97 51.480 0.90 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 65 68 78.859 0.95 19801022_a mert17 1980.10.23-09:26:21.1 BAS_STAT Not included: CHLBOLTN ONSALA85 0/ 0 deselected baseline 19801022_a mert17 HAYSTACK ONSALA85 0/ 0 deselected baseline 19801022_a mert17 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801022_a mert17 ONSALA85 OVRO_130 0/ 0 deselected baseline 19801022_a mert17 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 23 23 35 28.664 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 0235+164 J0238+1636 51 52 81 64.573 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 0552+398 J0555+3948 84 86 140 66.298 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 1642+690 J1642+6856 83 93 160 86.312 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 2134+00 J2136+0041 17 19 28 51.754 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 3C273B J1229+0203 35 37 53 38.852 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 3C345 J1642+3948 81 85 135 34.147 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 3C454.3 J2253+1608 40 40 61 30.625 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 4C39.25 J0927+3902 90 91 143 51.408 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: 4C67.05 J0228+6721 33 35 89 127.963 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: NRAO150 J0359+5057 80 82 154 37.879 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: OJ287 J0854+2006 68 70 106 70.944 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: OQ208 J1407+2827 52 55 95 85.566 19801022_a mert17 1980.10.23-09:26:21.120 SRC_STAT: VR422201 J2202+4216 84 84 128 27.737 19801022_a mert17 1980.10.23-09:26:21.120 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.10.23-09:25:48 1. CHLBOLTN 7215 EURA X Comp 4008309972.11 mm -73.887 mm 10.619 mm 10.550 mm 2. CHLBOLTN 7215 EURA Y Comp -100650846.79 mm -142.790 mm 8.968 mm 8.909 mm 3. CHLBOLTN 7215 EURA Z Comp 4943794684.24 mm -154.758 mm 13.800 mm 13.710 mm CHLBOLTN 7215 U Comp -164.61 mm -164.605 mm 16.397 mm 14.491 mm CHLBOLTN 7215 E Comp -144.60 mm -144.600 mm 8.956 mm 7.915 mm CHLBOLTN 7215 N Comp -42.36 mm -42.358 mm 5.878 mm 5.195 mm 4. CHLBOLTN CL 0 1980.10.22-22:00:48.456 25481.969 ns 0.167 ns 0.166 ns 5. CHLBOLTN CL 1 1980.10.22-22:00:48.456 565.807 D-14 2.151 D-14 2.137 D-14 6. CHLBOLTN CL 2 1980.10.22-22:00:48.456 -3.542 D-14/day 1.966 D-14/day 1.953 D-14/day 30. CHLBOLTN AT 0 1980.10.22-22:00:48.456 -9.964 ps 27.492 ps 27.314 ps CHLBOLTN Atm 1980.10.23-09:31:20.640 Avg: -1.797 ps Rms: 44.632 ps Tot_Rms: 44.669 ps || Nat: 115 Dura: 82200.0 sec Tzd_avg: 7800.7 Tzd_rms: 34.7 Wzd_avg: 316.1 Wzd_rms: 40.6 ps Prs_avg: 99573. Pa Tem_avg: 14.0 C Stm_avg: 3.0 C Stm_rms: 1.2 K Spr_avg: 784. Spr_rms: 144. Pa 100. CHLBOLTN NG 1980.10.22-21:59:48.456 0.017 mm 0.421 mm 0.419 mm 101. CHLBOLTN EG 1980.10.22-21:59:48.456 -0.083 mm 0.421 mm 0.418 mm 102. CHLBOLTN NG 1980.10.23-05:59:48.456 -0.026 mm 0.376 mm 0.374 mm 103. CHLBOLTN EG 1980.10.23-05:59:48.456 -0.013 mm 0.376 mm 0.374 mm 104. CHLBOLTN NG 1980.10.23-13:59:48.456 -0.055 mm 0.376 mm 0.373 mm 105. CHLBOLTN EG 1980.10.23-13:59:48.456 0.074 mm 0.376 mm 0.373 mm 106. CHLBOLTN NG 1980.10.23-21:59:48.456 0.046 mm 0.422 mm 0.419 mm 107. CHLBOLTN EG 1980.10.23-21:59:48.456 0.032 mm 0.421 mm 0.418 mm 108. HAYSTACK 7205 NOAM X Comp 1492404734.12 mm 38.116 mm 5.443 mm 5.408 mm 109. HAYSTACK 7205 NOAM Y Comp -4457266307.42 mm 227.582 mm 10.296 mm 10.229 mm 110. HAYSTACK 7205 NOAM Z Comp 4296881751.31 mm -42.687 mm 9.853 mm 9.789 mm HAYSTACK 7205 U Comp -178.80 mm -178.797 mm 13.397 mm 11.839 mm HAYSTACK 7205 E Comp 108.40 mm 108.401 mm 6.242 mm 5.517 mm HAYSTACK 7205 N Comp 106.53 mm 106.534 mm 3.780 mm 3.340 mm 111. HAYSTACK CL 0 1980.10.22-22:00:48.456 -7437.146 ns 0.126 ns 0.125 ns 112. HAYSTACK CL 1 1980.10.22-22:00:48.456 31.614 D-14 2.108 D-14 2.094 D-14 113. HAYSTACK CL 2 1980.10.22-22:00:48.456 2.381 D-14/day 1.912 D-14/day 1.900 D-14/day 137. HAYSTACK AT 0 1980.10.22-22:00:48.456 18.963 ps 20.932 ps 20.797 ps HAYSTACK Atm 1980.10.23-09:31:20.640 Avg: 23.282 ps Rms: 12.689 ps Tot_Rms: 26.516 ps || Nat: 137 Dura: 82200.0 sec Tzd_avg: 7782.1 Tzd_rms: 10.6 Wzd_avg: 120.2 Wzd_rms: 19.4 ps Prs_avg: 101612. Pa Tem_avg: 3.7 C Stm_avg: -0.1 C Stm_rms: 0.8 K Spr_avg: 650. Spr_rms: 37. Pa 207. HAYSTACK NG 1980.10.22-21:59:48.456 0.119 mm 0.420 mm 0.418 mm 208. HAYSTACK EG 1980.10.22-21:59:48.456 0.017 mm 0.419 mm 0.416 mm 209. HAYSTACK NG 1980.10.23-05:59:48.456 0.051 mm 0.376 mm 0.373 mm 210. HAYSTACK EG 1980.10.23-05:59:48.456 0.052 mm 0.374 mm 0.372 mm 211. HAYSTACK NG 1980.10.23-13:59:48.456 -0.058 mm 0.376 mm 0.374 mm 212. HAYSTACK EG 1980.10.23-13:59:48.456 -0.077 mm 0.375 mm 0.373 mm 213. HAYSTACK NG 1980.10.23-21:59:48.456 -0.069 mm 0.421 mm 0.419 mm 214. HAYSTACK EG 1980.10.23-21:59:48.456 -0.007 mm 0.420 mm 0.417 mm 215. HRAS_085 7216 NOAM X Comp -1324211036.85 mm -19.854 mm 7.888 mm 7.837 mm 216. HRAS_085 7216 NOAM Y Comp -5332023053.29 mm 28.713 mm 25.793 mm 25.626 mm 217. HRAS_085 7216 NOAM Z Comp 3232118518.34 mm 211.342 mm 16.866 mm 16.756 mm HRAS_085 7216 U Comp 87.84 mm 87.839 mm 30.784 mm 27.205 mm HRAS_085 7216 E Comp -26.19 mm -26.189 mm 5.156 mm 4.556 mm HRAS_085 7216 N Comp 193.60 mm 193.604 mm 6.144 mm 5.430 mm 218. HRAS_085 CL 0 1980.10.22-22:00:48.456 302.287 ns 0.212 ns 0.211 ns 219. HRAS_085 CL 1 1980.10.22-22:00:48.456 245.216 D-14 2.117 D-14 2.104 D-14 220. HRAS_085 CL 2 1980.10.22-22:00:48.456 7.234 D-14/day 1.926 D-14/day 1.913 D-14/day 244. HRAS_085 AT 0 1980.10.22-22:00:48.456 -60.362 ps 81.974 ps 81.443 ps HRAS_085 Atm 1980.10.23-09:31:20.640 Avg: -31.704 ps Rms: 39.260 ps Tot_Rms: 50.462 ps || Nat: 105 Dura: 82200.0 sec Tzd_avg: 6513.1 Tzd_rms: 24.8 Wzd_avg: 135.7 Wzd_rms: 13.8 ps Prs_avg: 84511. Pa Tem_avg: 8.6 C Stm_avg: -7.2 C Stm_rms: 3.6 K Spr_avg: 588. Spr_rms: 82. Pa 314. HRAS_085 NG 1980.10.22-21:59:48.456 -0.018 mm 0.422 mm 0.419 mm 315. HRAS_085 EG 1980.10.22-21:59:48.456 0.014 mm 0.421 mm 0.419 mm 316. HRAS_085 NG 1980.10.23-05:59:48.456 0.012 mm 0.377 mm 0.374 mm 317. HRAS_085 EG 1980.10.23-05:59:48.456 0.030 mm 0.376 mm 0.374 mm 318. HRAS_085 NG 1980.10.23-13:59:48.456 0.009 mm 0.376 mm 0.374 mm 319. HRAS_085 EG 1980.10.23-13:59:48.456 0.002 mm 0.376 mm 0.374 mm 320. HRAS_085 NG 1980.10.23-21:59:48.456 0.008 mm 0.422 mm 0.419 mm 321. HRAS_085 EG 1980.10.23-21:59:48.456 -0.010 mm 0.422 mm 0.419 mm 322. ONSALA60 7213 EURA X Comp 3370605948.32 mm -40.677 mm 7.525 mm 7.477 mm 323. ONSALA60 7213 EURA Y Comp 711917430.70 mm -98.303 mm 8.806 mm 8.749 mm 324. ONSALA60 7213 EURA Z Comp 5349830621.91 mm -144.090 mm 12.225 mm 12.146 mm ONSALA60 7213 U Comp -153.77 mm -153.775 mm 12.671 mm 11.198 mm ONSALA60 7213 E Comp -87.77 mm -87.775 mm 8.497 mm 7.509 mm ONSALA60 7213 N Comp -27.00 mm -26.999 mm 7.133 mm 6.304 mm 325. ONSALA60 CL 0 1980.10.22-22:00:48.456 14072.415 ns 0.158 ns 0.157 ns 326. ONSALA60 CL 1 1980.10.22-22:00:48.456 177.248 D-14 2.153 D-14 2.139 D-14 327. ONSALA60 CL 2 1980.10.22-22:00:48.456 -0.351 D-14/day 1.964 D-14/day 1.952 D-14/day 351. ONSALA60 AT 0 1980.10.22-22:00:48.456 27.126 ps 35.316 ps 35.087 ps ONSALA60 Atm 1980.10.23-09:31:20.640 Avg: 22.828 ps Rms: 34.517 ps Tot_Rms: 41.383 ps || Nat: 124 Dura: 82200.0 sec Tzd_avg: 7863.5 Tzd_rms: 1007.1 Wzd_avg: 407.5 Wzd_rms: 55.2 ps Prs_avg: 100125. Pa Tem_avg: 4.3 C Stm_avg: 0.2 C Stm_rms: 0.5 K Spr_avg: 11. Spr_rms: 52. Pa 421. ONSALA60 NG 1980.10.22-21:59:48.456 -0.078 mm 0.421 mm 0.418 mm 422. ONSALA60 EG 1980.10.22-21:59:48.456 0.026 mm 0.420 mm 0.418 mm 423. ONSALA60 NG 1980.10.23-05:59:48.456 0.045 mm 0.376 mm 0.374 mm 424. ONSALA60 EG 1980.10.23-05:59:48.456 -0.030 mm 0.376 mm 0.374 mm 425. ONSALA60 NG 1980.10.23-13:59:48.456 0.057 mm 0.375 mm 0.373 mm 426. ONSALA60 EG 1980.10.23-13:59:48.456 -0.028 mm 0.376 mm 0.373 mm 427. ONSALA60 NG 1980.10.23-21:59:48.456 -0.053 mm 0.421 mm 0.419 mm 428. ONSALA60 EG 1980.10.23-21:59:48.456 -0.012 mm 0.421 mm 0.418 mm 429. OVRO_130 7207 NOAM X Comp -2409600790.70 mm 96.302 mm 7.793 mm 7.743 mm 430. OVRO_130 7207 NOAM Y Comp -4478349479.20 mm -15.202 mm 13.559 mm 13.471 mm 431. OVRO_130 7207 NOAM Z Comp 3838603318.19 mm 130.192 mm 12.312 mm 12.232 mm OVRO_130 7207 U Comp 53.10 mm 53.099 mm 18.148 mm 16.039 mm OVRO_130 7207 E Comp 92.01 mm 92.009 mm 5.341 mm 4.720 mm OVRO_130 7207 N Comp 123.17 mm 123.167 mm 6.188 mm 5.469 mm 432. OVRO_130 AT 0 1980.10.22-22:00:48.456 -9.284 ps 45.263 ps 44.970 ps OVRO_130 Atm 1980.10.23-09:31:20.640 Avg: 60.954 ps Rms: 41.096 ps Tot_Rms: 73.513 ps || Nat: 110 Dura: 82200.0 sec Tzd_avg: 6858.5 Tzd_rms: 33.4 Wzd_avg: 166.0 Wzd_rms: 48.1 ps Prs_avg: 88102. Pa Tem_avg: 10.9 C Stm_avg: -7.8 C Stm_rms: 5.9 K Spr_avg: -53. Spr_rms: 37. Pa 502. OVRO_130 NG 1980.10.22-21:59:48.456 -0.035 mm 0.422 mm 0.419 mm 503. OVRO_130 EG 1980.10.22-21:59:48.456 -0.006 mm 0.421 mm 0.419 mm 504. OVRO_130 NG 1980.10.23-05:59:48.456 -0.026 mm 0.377 mm 0.374 mm 505. OVRO_130 EG 1980.10.23-05:59:48.456 -0.025 mm 0.376 mm 0.374 mm 506. OVRO_130 NG 1980.10.23-13:59:48.456 0.037 mm 0.376 mm 0.374 mm 507. OVRO_130 EG 1980.10.23-13:59:48.456 0.065 mm 0.376 mm 0.374 mm 508. OVRO_130 NG 1980.10.23-21:59:48.456 0.015 mm 0.422 mm 0.419 mm 509. OVRO_130 EG 1980.10.23-21:59:48.456 0.007 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. CHLBOLTN Input 50.00 ps/h RMS 24.93 ps/h NRMS 0.50 share 0.78 count 70 2. HAYSTACK Input 50.00 ps/h RMS 17.59 ps/h NRMS 0.35 share 0.74 count 70 3. HRAS_085 Input 50.00 ps/h RMS 16.04 ps/h NRMS 0.32 share 0.88 count 70 4. ONSALA60 Input 50.00 ps/h RMS 24.10 ps/h NRMS 0.48 share 0.75 count 70 6. OVRO_130 Input 50.00 ps/h RMS 19.13 ps/h NRMS 0.38 share 0.81 count 70 Overall RMS 20.66 ps/h NRMS 0.41 share 0.79 count 350 Gradient Constraint Statistics 1. CHLBOLTN Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.53 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.53 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.53 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.11 share 0.53 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.54 count 8 Overall RMS 0.19 mm/d NRMS 0.09 share 0.53 count 40 Clock Constraint Statistics 1. CHLBOLTN Input 5.00 D-14 RMS 1.79 D-14 NRMS 0.36 share 0.23 count 24 2. HAYSTACK Input 5.00 D-14 RMS 1.61 D-14 NRMS 0.32 share 0.19 count 24 3. HRAS_085 Input 5.00 D-14 RMS 2.42 D-14 NRMS 0.48 share 0.21 count 24 4. ONSALA60 Input 5.00 D-14 RMS 1.55 D-14 NRMS 0.31 share 0.25 count 24 Overall RMS 1.87 D-14 NRMS 0.37 share 0.22 count 96 510. UT1-TAI 1, 1980.10.23-09:26:00.000 -3.1643 ms/d 68.10 micros/d 51.35 micros/d 51.02 micros/d EOP epoch (TDT) MJD: 44535.393428 NUT epoch (TDT) MJD: 44535.373002 511. Nutation DPSI wrt apriori model 1980.10.23-09:25:48.936 1.913 mas 711.7 microasec 707.1 microasec Nutation Dx wrt apriori model 1980.10.23-09:25:48.936 0.766 mas 281.9 microasec 280.1 microasec Nutation DPSI wrt Wahr 1980 model 1980.10.23-09:25:48.936 5.015 mas 711.7 microasec 707.1 microasec 512. Nutation DEPS wrt apriori model 1980.10.23-09:25:48.936 -1.247 mas 288.1 microasec 286.2 microasec Nutation Dy wrt apriori model 1980.10.23-09:25:48.936 -1.244 mas 289.3 microasec 287.4 microasec Nutation DEPS wrt Wahr 1980 model 1980.10.23-09:25:48.936 -1.875 mas 288.1 microasec 286.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0207 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.10.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) CHLBOLTN 7215 to HAYSTACK 7205 5072314440.29 8.03 5072314440.29 8.03 108.44 4.49 2.86 23.54 CHLBOLTN 7215 to HRAS_085 7216 7663737389.22 26.24 7663737389.22 26.24 251.60 5.49 -217.16 37.22 CHLBOLTN 7215 to ONSALA60 7213 1109864320.63 4.71 1109864320.63 4.71 44.53 3.90 -30.17 19.33 CHLBOLTN 7215 to OVRO_130 7207 7846991259.79 18.47 7846991259.79 18.47 126.13 5.72 -218.58 26.44 HAYSTACK 7205 to HRAS_085 7216 3135641004.32 10.70 3135641004.32 10.70 99.31 4.61 -311.65 39.45 HAYSTACK 7205 to ONSALA60 7213 5599714425.18 7.12 5599714425.18 7.12 50.89 4.67 12.69 19.79 HAYSTACK 7205 to OVRO_130 7207 3928881614.16 7.76 3928881614.16 7.76 -42.70 4.67 -290.72 24.38 HRAS_085 7216 to ONSALA60 7213 7940732186.13 26.01 7940732186.13 26.01 194.59 5.74 252.00 35.10 HRAS_085 7216 to OVRO_130 7207 1508195379.02 6.82 1508195379.02 6.82 1.67 5.18 45.82 39.46 ONSALA60 7213 to OVRO_130 7207 7914130938.09 16.87 7914130938.09 16.87 54.71 6.21 -234.71 24.22 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:09 Correlator type: Unknown Experiment code: pol001 Mark-3 db_name: $80NOV03XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801103_a Ver 2 pol001 Matrix Condition Number = 4.491120989571077E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 7.4 4.5 1008.5 4.5 37.6 21.7 HRAS_085 MET 9.7 5.2 852.2 1.7 20.7 9.3 Run 26091-1734 126 Observation Pairs Available Session started on: 2444547.407900 1980.11.03 21:47:22.560 UTC Nominal duration: 84240.000 sec 00 23:24:00.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 114 60.381 ps 0.89 1.1999 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 114 Number of potentially good observations with QC 5-9: 114 Number of used observations: 114 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 114 114 60.381 0.89 19801103_a pol001 1980.11.04-09:29:22.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 7 7 7 61.694 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 0235+164 J0238+1636 8 8 8 110.634 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 0552+398 J0555+3948 9 9 9 51.340 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 1642+690 J1642+6856 6 6 8 105.710 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 2134+00 J2136+0041 5 5 5 56.724 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 3C273B J1229+0203 8 8 9 47.085 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 3C345 J1642+3948 11 11 12 40.856 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 3C454.3 J2253+1608 5 5 6 28.513 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 4C39.25 J0927+3902 10 10 11 64.792 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: 4C67.05 J0228+6721 4 4 8 274.097 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: NRAO150 J0359+5057 11 11 11 39.080 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: OJ287 J0854+2006 11 11 11 64.798 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: OQ208 J1407+2827 8 8 9 121.507 19801103_a pol001 1980.11.04-09:29:22.560 SRC_STAT: VR422201 J2202+4216 11 11 12 39.670 19801103_a pol001 1980.11.04-09:29:22.560 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.11.04-09:28:50 1. HAYSTACK 7205 NOAM X Comp 1492404737.42 mm 41.423 mm 9.410 mm 10.308 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266486.97 mm 48.028 mm 36.523 mm 40.008 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881668.50 mm -125.499 mm 23.048 mm 25.247 mm HAYSTACK 7205 U Comp -108.82 mm -108.819 mm 39.072 mm 34.832 mm HAYSTACK 7205 E Comp 54.53 mm 54.528 mm 19.727 mm 17.586 mm HAYSTACK 7205 N Comp -70.41 mm -70.410 mm 6.160 mm 5.492 mm 4. HAYSTACK AT 0 1980.11.03-21:46:50.376 -3.096 ps 68.720 ps 75.275 ps HAYSTACK Atm 1980.11.04-09:47:22.560 Avg: 39.706 ps Rms: 33.273 ps Tot_Rms: 51.804 ps || Nat: 126 Dura: 84240.0 sec Tzd_avg: 7977.3 Tzd_rms: 14.0 Wzd_avg: 381.4 Wzd_rms: 34.7 ps Prs_avg: 100842. Pa Tem_avg: 7.4 C Stm_avg: -0.1 C Stm_rms: 0.9 K Spr_avg: 637. Spr_rms: 44. Pa 77. HAYSTACK NG 1980.11.03-21:45:50.376 0.013 mm 0.422 mm 0.463 mm 78. HAYSTACK EG 1980.11.03-21:45:50.376 -0.010 mm 0.422 mm 0.462 mm 79. HAYSTACK NG 1980.11.04-05:45:50.376 0.008 mm 0.377 mm 0.413 mm 80. HAYSTACK EG 1980.11.04-05:45:50.376 -0.016 mm 0.377 mm 0.413 mm 81. HAYSTACK NG 1980.11.04-13:45:50.376 0.017 mm 0.377 mm 0.413 mm 82. HAYSTACK EG 1980.11.04-13:45:50.376 -0.008 mm 0.377 mm 0.413 mm 83. HAYSTACK NG 1980.11.04-21:45:50.376 0.014 mm 0.422 mm 0.463 mm 84. HAYSTACK EG 1980.11.04-21:45:50.376 0.007 mm 0.422 mm 0.463 mm 85. HRAS_085 7216 NOAM X Comp -1324211058.42 mm -41.423 mm 9.410 mm 10.308 mm 86. HRAS_085 7216 NOAM Y Comp -5332023130.03 mm -48.028 mm 36.523 mm 40.008 mm 87. HRAS_085 7216 NOAM Z Comp 3232118432.50 mm 125.499 mm 23.048 mm 25.247 mm HRAS_085 7216 U Comp 112.65 mm 112.650 mm 43.687 mm 38.946 mm HRAS_085 7216 E Comp -28.63 mm -28.625 mm 4.990 mm 4.449 mm HRAS_085 7216 N Comp 79.14 mm 79.140 mm 4.505 mm 4.016 mm 88. HRAS_085 CL 0 1980.11.03-21:46:50.376 1218.639 ns 0.460 ns 0.504 ns 89. HRAS_085 CL 1 1980.11.03-21:46:50.376 -226.190 D-14 2.212 D-14 2.424 D-14 90. HRAS_085 CL 2 1980.11.03-21:46:50.376 -0.047 D-14/day 1.978 D-14/day 2.167 D-14/day 115. HRAS_085 AT 0 1980.11.03-21:46:50.376 -79.262 ps 148.595 ps 162.771 ps HRAS_085 Atm 1980.11.04-09:47:22.560 Avg: -101.118 ps Rms: 25.463 ps Tot_Rms: 104.275 ps || Nat: 126 Dura: 84240.0 sec Tzd_avg: 6558.8 Tzd_rms: 44.3 Wzd_avg: 128.9 Wzd_rms: 34.4 ps Prs_avg: 85213. Pa Tem_avg: 9.8 C Stm_avg: -3.4 C Stm_rms: 2.7 K Spr_avg: 603. Spr_rms: 55. Pa 188. HRAS_085 NG 1980.11.03-21:45:50.376 -0.010 mm 0.422 mm 0.463 mm 189. HRAS_085 EG 1980.11.03-21:45:50.376 -0.000 mm 0.422 mm 0.463 mm 190. HRAS_085 NG 1980.11.04-05:45:50.376 0.013 mm 0.377 mm 0.413 mm 191. HRAS_085 EG 1980.11.04-05:45:50.376 -0.001 mm 0.377 mm 0.413 mm 192. HRAS_085 NG 1980.11.04-13:45:50.376 0.014 mm 0.377 mm 0.413 mm 193. HRAS_085 EG 1980.11.04-13:45:50.376 0.016 mm 0.377 mm 0.413 mm 194. HRAS_085 NG 1980.11.04-21:45:50.376 -0.004 mm 0.422 mm 0.463 mm 195. HRAS_085 EG 1980.11.04-21:45:50.376 -0.005 mm 0.422 mm 0.463 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 12.12 ps/h NRMS 0.24 share 0.89 count 73 2. HRAS_085 Input 50.00 ps/h RMS 12.23 ps/h NRMS 0.24 share 0.93 count 73 Overall RMS 12.17 ps/h NRMS 0.24 share 0.91 count 146 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 2.94 D-14 NRMS 0.59 share 0.31 count 25 Overall RMS 2.94 D-14 NRMS 0.59 share 0.31 count 25 196. UT1-TAI 1, 1980.11.04-09:29:00.000 -2.8990 ms/d -325.38 micros/d 321.17 micros/d 351.81 micros/d EOP epoch (TDT) MJD: 44547.395511 NUT epoch (TDT) MJD: 44547.404441 197. Nutation DPSI wrt apriori model 1980.11.04-09:28:50.376 -1.502 mas 2266.6 microasec 2482.8 microasec Nutation Dx wrt apriori model 1980.11.04-09:28:50.376 -0.599 mas 896.5 microasec 982.0 microasec Nutation DPSI wrt Wahr 1980 model 1980.11.04-09:28:50.376 2.984 mas 2266.6 microasec 2482.8 microasec 198. Nutation DEPS wrt apriori model 1980.11.04-09:28:50.376 0.257 mas 1216.0 microasec 1332.0 microasec Nutation Dy wrt apriori model 1980.11.04-09:28:50.376 0.254 mas 1219.9 microasec 1336.3 microasec Nutation DEPS wrt Wahr 1980 model 1980.11.04-09:28:50.376 -0.123 mas 1216.0 microasec 1332.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3916 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.11.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640999.02 22.16 3135640999.02 22.16 163.89 6.73 -227.98 85.31 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:12 Correlator type: Unknown Experiment code: pol003 Mark-3 db_name: $80DEC01XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801201_a Ver 2 pol003 Matrix Condition Number = 1.498515990407883E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 6.7 4.0 1005.4 3.1 43.4 15.6 HRAS_085 MET 9.8 4.9 844.3 1.2 23.6 6.9 ONSALA60 MET 4.4 0.4 1009.2 6.5 85.3 7.2 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1734 482 Observation Pairs Available Session started on: 2444575.119000 1980.12.01 14:51:21.600 UTC Nominal duration: 86996.160 sec 01 00:09:56.160 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 229 62.879 ps 0.82 0.9702 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 236 Number of potentially good observations with QC 5-9: 236 Number of used observations: 229 ( 97.03%) Number of suppressed observations: 7 ( 2.97%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 90 92 56.423 0.83 19801201_a pol003 1980.12.02-02:56:19.6 BAS_STAT HAYSTACK ONSALA60 97 100 64.999 0.83 19801201_a pol003 1980.12.02-02:56:19.6 BAS_STAT HRAS_085 ONSALA60 42 44 82.710 0.77 19801201_a pol003 1980.12.02-02:56:19.6 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19801201_a pol003 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801201_a pol003 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 12 34.608 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 0235+164 J0238+1636 17 17 28 77.854 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 0552+398 J0555+3948 22 23 43 54.218 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 1642+690 J1642+6856 20 20 59 127.613 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 2134+00 J2136+0041 6 7 14 53.816 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 3C273B J1229+0203 8 9 16 95.542 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 3C345 J1642+3948 29 29 50 34.204 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 3C454.3 J2253+1608 11 11 20 37.809 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 4C39.25 J0927+3902 24 25 48 76.024 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: 4C67.05 J0228+6721 6 8 31 126.308 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: NRAO150 J0359+5057 20 21 50 37.179 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: OJ287 J0854+2006 20 20 34 88.577 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: OQ208 J1407+2827 14 14 34 131.788 19801201_a pol003 1980.12.02-02:56:19.680 SRC_STAT: VR422201 J2202+4216 24 24 43 43.593 19801201_a pol003 1980.12.02-02:56:19.680 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.12.02-02:55:47 1. HAYSTACK 7205 NOAM X Comp 1492404741.49 mm 45.490 mm 9.826 mm 9.679 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266345.23 mm 189.770 mm 26.011 mm 25.620 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881720.69 mm -73.307 mm 20.243 mm 19.939 mm HAYSTACK 7205 U Comp -171.43 mm -171.426 mm 29.972 mm 24.581 mm HAYSTACK 7205 E Comp 103.39 mm 103.388 mm 14.763 mm 12.107 mm HAYSTACK 7205 N Comp 58.14 mm 58.136 mm 8.163 mm 6.695 mm 4. HAYSTACK AT 0 1980.12.01-14:50:49.416 43.835 ps 45.747 ps 45.059 ps HAYSTACK Atm 1980.12.02-03:21:21.600 Avg: 40.007 ps Rms: 11.300 ps Tot_Rms: 41.573 ps || Nat: 137 Dura: 83460.0 sec Tzd_avg: 7875.3 Tzd_rms: 59.9 Wzd_avg: 292.2 Wzd_rms: 45.4 ps Prs_avg: 100538. Pa Tem_avg: 6.8 C Stm_avg: 0.4 C Stm_rms: 1.2 K Spr_avg: 540. Spr_rms: 99. Pa 80. HAYSTACK NG 1980.12.01-14:49:49.416 0.020 mm 0.422 mm 0.416 mm 81. HAYSTACK EG 1980.12.01-14:49:49.416 -0.037 mm 0.421 mm 0.415 mm 82. HAYSTACK NG 1980.12.01-22:49:49.416 0.019 mm 0.377 mm 0.371 mm 83. HAYSTACK EG 1980.12.01-22:49:49.416 -0.029 mm 0.376 mm 0.371 mm 84. HAYSTACK NG 1980.12.02-06:49:49.416 -0.007 mm 0.377 mm 0.371 mm 85. HAYSTACK EG 1980.12.02-06:49:49.416 0.013 mm 0.376 mm 0.371 mm 86. HAYSTACK NG 1980.12.02-14:49:49.416 -0.028 mm 0.422 mm 0.416 mm 87. HAYSTACK EG 1980.12.02-14:49:49.416 0.001 mm 0.422 mm 0.416 mm 88. HRAS_085 7216 NOAM X Comp -1324210990.90 mm 26.099 mm 13.631 mm 13.426 mm 89. HRAS_085 7216 NOAM Y Comp -5332023124.54 mm -42.539 mm 48.291 mm 47.566 mm 90. HRAS_085 7216 NOAM Z Comp 3232118448.11 mm 141.107 mm 31.799 mm 31.321 mm HRAS_085 7216 U Comp 102.02 mm 102.016 mm 57.633 mm 47.266 mm HRAS_085 7216 E Comp 35.58 mm 35.583 mm 8.405 mm 6.893 mm HRAS_085 7216 N Comp 103.58 mm 103.578 mm 11.694 mm 9.591 mm 91. HRAS_085 CL 0 1980.12.01-14:50:49.416 -1447.329 ns 0.448 ns 0.441 ns 92. HRAS_085 CL 1 1980.12.01-14:50:49.416 -135.051 D-14 2.200 D-14 2.167 D-14 93. HRAS_085 CL 2 1980.12.01-14:50:49.416 12.396 D-14/day 1.876 D-14/day 1.848 D-14/day 119. HRAS_085 AT 0 1980.12.01-14:50:49.416 -168.719 ps 156.035 ps 153.690 ps HRAS_085 Atm 1980.12.02-03:21:21.600 Avg: -135.370 ps Rms: 28.247 ps Tot_Rms: 138.286 ps || Nat: 109 Dura: 87000.0 sec Tzd_avg: 6537.4 Tzd_rms: 23.8 Wzd_avg: 153.8 Wzd_rms: 35.4 ps Prs_avg: 84428. Pa Tem_avg: 9.8 C Stm_avg: -3.8 C Stm_rms: 3.4 K Spr_avg: 414. Spr_rms: 78. Pa 195. HRAS_085 NG 1980.12.01-14:49:49.416 -0.009 mm 0.422 mm 0.416 mm 196. HRAS_085 EG 1980.12.01-14:49:49.416 0.011 mm 0.422 mm 0.416 mm 197. HRAS_085 NG 1980.12.01-22:49:49.416 -0.009 mm 0.377 mm 0.371 mm 198. HRAS_085 EG 1980.12.01-22:49:49.416 0.008 mm 0.377 mm 0.371 mm 199. HRAS_085 NG 1980.12.02-06:49:49.416 -0.003 mm 0.377 mm 0.371 mm 200. HRAS_085 EG 1980.12.02-06:49:49.416 -0.013 mm 0.377 mm 0.371 mm 201. HRAS_085 NG 1980.12.02-14:49:49.416 0.007 mm 0.422 mm 0.416 mm 202. HRAS_085 EG 1980.12.02-14:49:49.416 -0.013 mm 0.422 mm 0.416 mm 203. ONSALA60 7213 EURA X Comp 3370605917.41 mm -71.589 mm 15.011 mm 14.786 mm 204. ONSALA60 7213 EURA Y Comp 711917381.77 mm -147.231 mm 25.167 mm 24.789 mm 205. ONSALA60 7213 EURA Z Comp 5349830698.20 mm -67.799 mm 27.804 mm 27.386 mm ONSALA60 7213 U Comp -111.25 mm -111.251 mm 27.259 mm 22.355 mm ONSALA60 7213 E Comp -129.26 mm -129.259 mm 24.268 mm 19.902 mm ONSALA60 7213 N Comp 48.10 mm 48.105 mm 17.315 mm 14.200 mm 206. ONSALA60 CL 0 1980.12.01-14:50:49.416 4141.276 ns 0.279 ns 0.275 ns 207. ONSALA60 CL 1 1980.12.01-14:50:49.416 95.564 D-14 2.230 D-14 2.196 D-14 208. ONSALA60 CL 2 1980.12.01-14:50:49.416 5.722 D-14/day 1.897 D-14/day 1.868 D-14/day 234. ONSALA60 AT 0 1980.12.01-14:50:49.416 52.269 ps 71.230 ps 70.160 ps ONSALA60 Atm 1980.12.02-03:21:21.600 Avg: 3.024 ps Rms: 38.619 ps Tot_Rms: 38.738 ps || Nat: 118 Dura: 87000.0 sec Tzd_avg: 7853.6 Tzd_rms: 116.7 Wzd_avg: 270.4 Wzd_rms: 48.8 ps Prs_avg: 100955. Pa Tem_avg: 4.4 C Stm_avg: -0.4 C Stm_rms: 0.3 K Spr_avg: 828. Spr_rms: 319. Pa 310. ONSALA60 NG 1980.12.01-14:49:49.416 -0.005 mm 0.422 mm 0.416 mm 311. ONSALA60 EG 1980.12.01-14:49:49.416 -0.000 mm 0.422 mm 0.416 mm 312. ONSALA60 NG 1980.12.01-22:49:49.416 -0.011 mm 0.377 mm 0.371 mm 313. ONSALA60 EG 1980.12.01-22:49:49.416 -0.006 mm 0.377 mm 0.371 mm 314. ONSALA60 NG 1980.12.02-06:49:49.416 0.003 mm 0.377 mm 0.371 mm 315. ONSALA60 EG 1980.12.02-06:49:49.416 -0.011 mm 0.377 mm 0.371 mm 316. ONSALA60 NG 1980.12.02-14:49:49.416 -0.010 mm 0.422 mm 0.416 mm 317. ONSALA60 EG 1980.12.02-14:49:49.416 0.006 mm 0.422 mm 0.416 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 10.93 ps/h NRMS 0.22 share 0.87 count 76 2. HRAS_085 Input 50.00 ps/h RMS 7.37 ps/h NRMS 0.15 share 0.94 count 76 3. ONSALA60 Input 50.00 ps/h RMS 17.04 ps/h NRMS 0.34 share 0.88 count 76 Overall RMS 12.44 ps/h NRMS 0.25 share 0.90 count 228 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 2.89 D-14 NRMS 0.58 share 0.33 count 26 3. ONSALA60 Input 5.00 D-14 RMS 2.78 D-14 NRMS 0.56 share 0.37 count 26 Overall RMS 2.84 D-14 NRMS 0.57 share 0.35 count 52 318. UT1-TAI 1, 1980.12.02-02:56:00.000 -2.4944 ms/d -95.10 micros/d 113.21 micros/d 111.51 micros/d EOP epoch (TDT) MJD: 44575.122595 NUT epoch (TDT) MJD: 44575.135064 319. Nutation DPSI wrt apriori model 1980.12.02-02:55:47.496 0.102 mas 1534.4 microasec 1511.3 microasec Nutation Dx wrt apriori model 1980.12.02-02:55:47.496 0.049 mas 607.5 microasec 598.4 microasec Nutation DPSI wrt Wahr 1980 model 1980.12.02-02:55:47.496 6.841 mas 1534.4 microasec 1511.3 microasec 320. Nutation DEPS wrt apriori model 1980.12.02-02:55:47.496 -1.912 mas 685.2 microasec 674.9 microasec Nutation Dy wrt apriori model 1980.12.02-02:55:47.496 -1.912 mas 687.8 microasec 677.5 microasec Nutation DEPS wrt Wahr 1980 model 1980.12.02-02:55:47.496 -0.841 mas 685.2 microasec 674.9 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0647 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.12.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640992.45 22.22 3135640992.45 22.22 35.85 8.16 -314.55 85.04 HAYSTACK 7205 to ONSALA60 7213 5599714422.18 14.73 5599714422.18 14.73 -32.75 7.96 -64.86 42.66 HRAS_085 7216 to ONSALA60 7213 7940732196.75 55.97 7940732196.75 55.97 61.41 11.11 151.87 76.69 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:15 Correlator type: Unknown Experiment code: pol004 Mark-3 db_name: $80DEC19XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19801219_a Ver 2 pol004 Matrix Condition Number = 1.168365044165004E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -12.2 2.5 1015.2 2.5 51.0 9.5 HRAS_085 MET -5.5 0.9 852.8 1.0 90.3 0.5 ONSALA60 MET 0.8 0.9 994.4 3.4 87.5 4.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1734 481 Observation Pairs Available Session started on: 2444593.382200 1980.12.19 21:10:22.080 UTC Nominal duration: 85440.960 sec 00 23:44:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 244 52.901 ps 0.82 0.9926 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 248 Number of potentially good observations with QC 5-9: 248 Number of used observations: 244 ( 98.39%) Number of suppressed observations: 4 ( 1.61%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 93 96 47.620 0.81 19801219_a pol004 1980.12.20-09:02:22.5 BAS_STAT HAYSTACK ONSALA60 104 105 45.003 0.77 19801219_a pol004 1980.12.20-09:02:22.5 BAS_STAT HRAS_085 ONSALA60 47 47 143.157 0.96 19801219_a pol004 1980.12.20-09:02:22.5 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19801219_a pol004 HRAS_085 ONSALA85 0/ 0 deselected baseline 19801219_a pol004 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 13 43.066 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 0235+164 J0238+1636 15 15 26 63.131 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 0552+398 J0555+3948 27 27 46 64.333 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 1642+690 J1642+6856 23 23 53 105.346 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 2134+00 J2136+0041 7 8 15 69.164 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 3C273B J1229+0203 10 10 18 36.272 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 3C345 J1642+3948 28 28 49 24.111 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 3C454.3 J2253+1608 11 11 18 45.375 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 4C39.25 J0927+3902 26 27 48 50.605 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: 4C67.05 J0228+6721 5 5 26 53.713 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: NRAO150 J0359+5057 18 19 50 34.800 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: OJ287 J0854+2006 22 22 37 71.074 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: OQ208 J1407+2827 17 18 34 112.592 19801219_a pol004 1980.12.20-09:02:22.560 SRC_STAT: VR422201 J2202+4216 26 26 48 52.780 19801219_a pol004 1980.12.20-09:02:22.560 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1980.12.20-09:01:50 1. HAYSTACK 7205 NOAM X Comp 1492404774.88 mm 78.878 mm 7.914 mm 7.885 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266382.56 mm 152.442 mm 22.932 mm 22.847 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881741.14 mm -52.864 mm 16.616 mm 16.555 mm HAYSTACK 7205 U Comp -123.74 mm -123.736 mm 25.775 mm 21.225 mm HAYSTACK 7205 E Comp 123.20 mm 123.197 mm 12.664 mm 10.429 mm HAYSTACK 7205 N Comp 42.03 mm 42.031 mm 6.315 mm 5.200 mm 4. HAYSTACK AT 0 1980.12.19-21:09:49.896 -17.288 ps 51.649 ps 51.458 ps HAYSTACK Atm 1980.12.20-09:10:22.080 Avg: 4.579 ps Rms: 22.163 ps Tot_Rms: 22.631 ps || Nat: 146 Dura: 85440.0 sec Tzd_avg: 7690.9 Tzd_rms: 17.8 Wzd_avg: 40.0 Wzd_rms: 3.3 ps Prs_avg: 101516. Pa Tem_avg: -12.1 C Stm_avg: 3.1 C Stm_rms: 1.7 K Spr_avg: 730. Spr_rms: 54. Pa 77. HAYSTACK NG 1980.12.19-21:08:49.896 0.007 mm 0.422 mm 0.420 mm 78. HAYSTACK EG 1980.12.19-21:08:49.896 0.015 mm 0.422 mm 0.420 mm 79. HAYSTACK NG 1980.12.20-05:08:49.896 0.013 mm 0.377 mm 0.375 mm 80. HAYSTACK EG 1980.12.20-05:08:49.896 -0.009 mm 0.376 mm 0.375 mm 81. HAYSTACK NG 1980.12.20-13:08:49.896 0.022 mm 0.377 mm 0.375 mm 82. HAYSTACK EG 1980.12.20-13:08:49.896 -0.007 mm 0.376 mm 0.375 mm 83. HAYSTACK NG 1980.12.20-21:08:49.896 0.040 mm 0.422 mm 0.420 mm 84. HAYSTACK EG 1980.12.20-21:08:49.896 0.012 mm 0.421 mm 0.419 mm 85. HRAS_085 7216 NOAM X Comp -1324210953.07 mm 63.928 mm 11.908 mm 11.864 mm 86. HRAS_085 7216 NOAM Y Comp -5332023108.95 mm -26.952 mm 43.167 mm 43.007 mm 87. HRAS_085 7216 NOAM Z Comp 3232118435.02 mm 128.019 mm 26.683 mm 26.584 mm HRAS_085 7216 U Comp 74.49 mm 74.486 mm 50.943 mm 41.949 mm HRAS_085 7216 E Comp 68.54 mm 68.540 mm 6.621 mm 5.452 mm HRAS_085 7216 N Comp 104.67 mm 104.672 mm 8.839 mm 7.279 mm 88. HRAS_085 CL 0 1980.12.19-21:09:49.896 -174978.558 ns 0.381 ns 0.379 ns 89. HRAS_085 CL 1 1980.12.19-21:09:49.896 -236.662 D-14 2.117 D-14 2.109 D-14 90. HRAS_085 CL 2 1980.12.19-21:09:49.896 -11.603 D-14/day 1.892 D-14/day 1.885 D-14/day 115. HRAS_085 AT 0 1980.12.19-21:09:49.896 69.356 ps 134.697 ps 134.199 ps HRAS_085 Atm 1980.12.20-09:10:22.080 Avg: 5.937 ps Rms: 50.003 ps Tot_Rms: 50.354 ps || Nat: 103 Dura: 85440.0 sec Tzd_avg: 6627.4 Tzd_rms: 24.2 Wzd_avg: 197.7 Wzd_rms: 20.0 ps Prs_avg: 85270. Pa Tem_avg: -5.5 C Stm_avg: -1.8 C Stm_rms: 1.9 K Spr_avg: 632. Spr_rms: 65. Pa 188. HRAS_085 NG 1980.12.19-21:08:49.896 0.010 mm 0.422 mm 0.421 mm 189. HRAS_085 EG 1980.12.19-21:08:49.896 -0.007 mm 0.422 mm 0.421 mm 190. HRAS_085 NG 1980.12.20-05:08:49.896 0.014 mm 0.377 mm 0.376 mm 191. HRAS_085 EG 1980.12.20-05:08:49.896 0.023 mm 0.377 mm 0.375 mm 192. HRAS_085 NG 1980.12.20-13:08:49.896 -0.014 mm 0.377 mm 0.376 mm 193. HRAS_085 EG 1980.12.20-13:08:49.896 0.011 mm 0.377 mm 0.376 mm 194. HRAS_085 NG 1980.12.20-21:08:49.896 -0.017 mm 0.422 mm 0.421 mm 195. HRAS_085 EG 1980.12.20-21:08:49.896 0.005 mm 0.422 mm 0.421 mm 196. ONSALA60 7213 EURA X Comp 3370605846.19 mm -142.806 mm 11.641 mm 11.598 mm 197. ONSALA60 7213 EURA Y Comp 711917403.51 mm -125.490 mm 22.248 mm 22.166 mm 198. ONSALA60 7213 EURA Z Comp 5349830690.85 mm -75.155 mm 20.743 mm 20.667 mm ONSALA60 7213 U Comp -152.57 mm -152.572 mm 19.522 mm 16.076 mm ONSALA60 7213 E Comp -93.27 mm -93.269 mm 21.230 mm 17.482 mm ONSALA60 7213 N Comp 99.06 mm 99.055 mm 15.131 mm 12.460 mm 199. ONSALA60 CL 0 1980.12.19-21:09:49.896 2551.554 ns 0.164 ns 0.163 ns 200. ONSALA60 CL 1 1980.12.19-21:09:49.896 129.489 D-14 2.131 D-14 2.123 D-14 201. ONSALA60 CL 2 1980.12.19-21:09:49.896 -2.340 D-14/day 1.863 D-14/day 1.856 D-14/day 226. ONSALA60 AT 0 1980.12.19-21:09:49.896 -14.145 ps 38.933 ps 38.789 ps ONSALA60 Atm 1980.12.20-09:10:22.080 Avg: 11.749 ps Rms: 28.827 ps Tot_Rms: 31.130 ps || Nat: 120 Dura: 85440.0 sec Tzd_avg: 7701.2 Tzd_rms: 32.0 Wzd_avg: 176.1 Wzd_rms: 36.8 ps Prs_avg: 99422. Pa Tem_avg: 0.8 C Stm_avg: 0.0 C Stm_rms: 0.5 K Spr_avg: 100. Spr_rms: 53. Pa 299. ONSALA60 NG 1980.12.19-21:08:49.896 -0.000 mm 0.422 mm 0.421 mm 300. ONSALA60 EG 1980.12.19-21:08:49.896 -0.001 mm 0.422 mm 0.421 mm 301. ONSALA60 NG 1980.12.20-05:08:49.896 0.012 mm 0.377 mm 0.376 mm 302. ONSALA60 EG 1980.12.20-05:08:49.896 0.009 mm 0.377 mm 0.376 mm 303. ONSALA60 NG 1980.12.20-13:08:49.896 -0.005 mm 0.377 mm 0.375 mm 304. ONSALA60 EG 1980.12.20-13:08:49.896 0.004 mm 0.377 mm 0.376 mm 305. ONSALA60 NG 1980.12.20-21:08:49.896 0.004 mm 0.422 mm 0.421 mm 306. ONSALA60 EG 1980.12.20-21:08:49.896 -0.016 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 14.09 ps/h NRMS 0.28 share 0.82 count 73 2. HRAS_085 Input 50.00 ps/h RMS 14.38 ps/h NRMS 0.29 share 0.93 count 73 3. ONSALA60 Input 50.00 ps/h RMS 18.70 ps/h NRMS 0.37 share 0.85 count 73 Overall RMS 15.86 ps/h NRMS 0.32 share 0.87 count 219 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 4.45 D-14 NRMS 0.89 share 0.28 count 25 3. ONSALA60 Input 5.00 D-14 RMS 1.99 D-14 NRMS 0.40 share 0.30 count 25 Overall RMS 3.45 D-14 NRMS 0.69 share 0.29 count 50 307. UT1-TAI 1, 1980.12.20-09:02:00.000 -2.3945 ms/d 10.81 micros/d 79.90 micros/d 79.61 micros/d EOP epoch (TDT) MJD: 44593.376761 NUT epoch (TDT) MJD: 44593.391024 308. Nutation DPSI wrt apriori model 1980.12.20-09:01:50.376 3.089 mas 1573.4 microasec 1567.6 microasec Nutation Dx wrt apriori model 1980.12.20-09:01:50.376 1.235 mas 624.2 microasec 621.9 microasec Nutation DPSI wrt Wahr 1980 model 1980.12.20-09:01:50.376 9.183 mas 1573.4 microasec 1567.6 microasec 309. Nutation DEPS wrt apriori model 1980.12.20-09:01:50.376 -1.404 mas 403.5 microasec 402.0 microasec Nutation Dy wrt apriori model 1980.12.20-09:01:50.376 -1.399 mas 406.1 microasec 404.6 microasec Nutation DEPS wrt Wahr 1980 model 1980.12.20-09:01:50.376 -0.104 mas 403.5 microasec 402.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0842 1 Baseline information for run 26091-173 Monument to monument values at epoch 1980.12.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640985.09 20.30 3135640985.09 20.30 38.63 7.27 -252.24 75.09 HAYSTACK 7205 to ONSALA60 7213 5599714436.39 10.68 5599714436.39 10.68 -118.68 6.60 22.41 31.24 HRAS_085 7216 to ONSALA60 7213 7940732138.50 49.94 7940732138.50 49.94 -28.87 9.47 172.30 64.09 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:18 Correlator type: Unknown Experiment code: pol005 Mark-3 db_name: $81JAN07XB Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810107_a Ver 2 pol005 Matrix Condition Number = 1.360006989909552E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -10.7 3.5 994.8 4.9 72.6 51.4 HRAS_085 MET 5.7 1.6 842.1 1.0 61.3 43.3 Run 26091-1734 192 Observation Pairs Available Session started on: 2444612.394700 1981.01.07 21:28:22.080 UTC Nominal duration: 84473.280 sec 00 23:27:53.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 139 50.987 ps 0.88 1.0747 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 157 Number of potentially good observations with QC 5-9: 157 Number of used observations: 139 ( 88.54%) Number of suppressed observations: 18 ( 11.46%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 139 157 50.987 0.88 19810107_a pol005 1981.01.08-09:12:18.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 10 12 52.208 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 0235+164 J0238+1636 9 10 12 85.193 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 0552+398 J0555+3948 12 14 16 33.312 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 1642+690 J1642+6856 12 15 17 91.358 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 2134+00 J2136+0041 4 6 10 66.289 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 3C273B J1229+0203 14 14 14 44.488 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 3C345 J1642+3948 12 15 17 37.050 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 3C454.3 J2253+1608 4 4 10 24.824 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 4C39.25 J0927+3902 11 13 14 65.145 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: 4C67.05 J0228+6721 4 4 13 113.763 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: NRAO150 J0359+5057 12 13 14 33.969 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: OJ287 J0854+2006 10 11 14 50.513 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: OQ208 J1407+2827 18 19 19 78.371 19810107_a pol005 1981.01.08-09:12:18.720 SRC_STAT: VR422201 J2202+4216 8 9 10 47.769 19810107_a pol005 1981.01.08-09:12:18.720 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.01.08-09:11:46 1. HAYSTACK 7205 NOAM X Comp 1492404726.67 mm 30.674 mm 5.751 mm 5.962 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266400.98 mm 134.015 mm 19.346 mm 20.056 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881664.95 mm -129.055 mm 14.410 mm 14.938 mm HAYSTACK 7205 U Comp -173.74 mm -173.736 mm 22.229 mm 19.527 mm HAYSTACK 7205 E Comp 71.64 mm 71.636 mm 10.302 mm 9.050 mm HAYSTACK 7205 N Comp -15.50 mm -15.500 mm 3.842 mm 3.375 mm 4. HAYSTACK AT 0 1981.01.07-21:27:49.896 25.529 ps 52.438 ps 54.361 ps HAYSTACK Atm 1981.01.08-09:28:22.080 Avg: 2.729 ps Rms: 24.272 ps Tot_Rms: 24.424 ps || Nat: 192 Dura: 84480.0 sec Tzd_avg: 7549.0 Tzd_rms: 26.4 Wzd_avg: 51.6 Wzd_rms: 23.9 ps Prs_avg: 99482. Pa Tem_avg: -10.6 C Stm_avg: 2.3 C Stm_rms: 1.0 K Spr_avg: 714. Spr_rms: 84. Pa 77. HAYSTACK NG 1981.01.07-21:26:49.896 0.007 mm 0.422 mm 0.438 mm 78. HAYSTACK EG 1981.01.07-21:26:49.896 0.007 mm 0.422 mm 0.438 mm 79. HAYSTACK NG 1981.01.08-05:26:49.896 0.010 mm 0.377 mm 0.391 mm 80. HAYSTACK EG 1981.01.08-05:26:49.896 -0.014 mm 0.377 mm 0.391 mm 81. HAYSTACK NG 1981.01.08-13:26:49.896 0.010 mm 0.377 mm 0.391 mm 82. HAYSTACK EG 1981.01.08-13:26:49.896 -0.019 mm 0.377 mm 0.391 mm 83. HAYSTACK NG 1981.01.08-21:26:49.896 -0.002 mm 0.422 mm 0.438 mm 84. HAYSTACK EG 1981.01.08-21:26:49.896 -0.009 mm 0.422 mm 0.438 mm 85. HRAS_085 7216 NOAM X Comp -1324211047.67 mm -30.674 mm 5.751 mm 5.962 mm 86. HRAS_085 7216 NOAM Y Comp -5332023216.02 mm -134.015 mm 19.346 mm 20.056 mm 87. HRAS_085 7216 NOAM Z Comp 3232118436.05 mm 129.055 mm 14.410 mm 14.938 mm HRAS_085 7216 U Comp 184.04 mm 184.036 mm 23.946 mm 21.036 mm HRAS_085 7216 E Comp 2.53 mm 2.532 mm 4.782 mm 4.200 mm HRAS_085 7216 N Comp 40.99 mm 40.993 mm 4.326 mm 3.800 mm 88. HRAS_085 CL 0 1981.01.07-21:27:49.896 -7908.010 ns 0.366 ns 0.379 ns 89. HRAS_085 CL 1 1981.01.07-21:27:49.896 -184.478 D-14 2.453 D-14 2.543 D-14 90. HRAS_085 CL 2 1981.01.07-21:27:49.896 -2.155 D-14/day 2.442 D-14/day 2.532 D-14/day 115. HRAS_085 AT 0 1981.01.07-21:27:49.896 -91.847 ps 95.295 ps 98.789 ps HRAS_085 Atm 1981.01.08-09:28:22.080 Avg: -172.498 ps Rms: 34.474 ps Tot_Rms: 175.909 ps || Nat: 192 Dura: 84480.0 sec Tzd_avg: 6674.1 Tzd_rms: 19.6 Wzd_avg: 325.0 Wzd_rms: 21.4 ps Prs_avg: 84207. Pa Tem_avg: 5.7 C Stm_avg: -2.8 C Stm_rms: 1.5 K Spr_avg: 573. Spr_rms: 62. Pa 188. HRAS_085 NG 1981.01.07-21:26:49.896 0.000 mm 0.422 mm 0.438 mm 189. HRAS_085 EG 1981.01.07-21:26:49.896 -0.014 mm 0.422 mm 0.438 mm 190. HRAS_085 NG 1981.01.08-05:26:49.896 0.006 mm 0.377 mm 0.391 mm 191. HRAS_085 EG 1981.01.08-05:26:49.896 0.012 mm 0.377 mm 0.391 mm 192. HRAS_085 NG 1981.01.08-13:26:49.896 -0.014 mm 0.377 mm 0.391 mm 193. HRAS_085 EG 1981.01.08-13:26:49.896 0.004 mm 0.377 mm 0.391 mm 194. HRAS_085 NG 1981.01.08-21:26:49.896 -0.007 mm 0.422 mm 0.438 mm 195. HRAS_085 EG 1981.01.08-21:26:49.896 -0.004 mm 0.422 mm 0.438 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 14.67 ps/h NRMS 0.29 share 0.86 count 73 2. HRAS_085 Input 50.00 ps/h RMS 16.89 ps/h NRMS 0.34 share 0.92 count 73 Overall RMS 15.82 ps/h NRMS 0.32 share 0.89 count 146 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 2.41 D-14 NRMS 0.48 share 0.38 count 25 Overall RMS 2.41 D-14 NRMS 0.48 share 0.38 count 25 196. UT1-TAI 1, 1981.01.08-09:12:00.000 -2.6267 ms/d -296.78 micros/d 407.34 micros/d 422.27 micros/d EOP epoch (TDT) MJD: 44612.383706 NUT epoch (TDT) MJD: 44612.384277 197. Nutation DPSI wrt apriori model 1981.01.08-09:11:46.536 -3.099 mas 3086.9 microasec 3200.1 microasec Nutation Dx wrt apriori model 1981.01.08-09:11:46.536 -1.229 mas 1223.5 microasec 1268.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.01.08-09:11:46.536 4.724 mas 3086.9 microasec 3200.1 microasec 198. Nutation DEPS wrt apriori model 1981.01.08-09:11:46.536 -0.891 mas 1055.7 microasec 1094.4 microasec Nutation Dy wrt apriori model 1981.01.08-09:11:46.536 -0.896 mas 1060.9 microasec 1099.8 microasec Nutation DEPS wrt Wahr 1980 model 1981.01.08-09:11:46.536 0.758 mas 1055.7 microasec 1094.4 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1997 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.01.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641025.27 11.68 3135641025.27 11.68 66.16 7.81 -368.87 47.57 NNT_POS: 2 stations participated in NNT_POS constraints: ONSALA60 ONSALA85 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:21 Correlator type: Unknown Experiment code: onstie Mark-3 db_name: $81JAN13XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810113_a Ver 2 onstie Matrix Condition Number = 1.570299446029821E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- ONSALA60: | | ONSALA85: | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for ONSALA60 is 5.0 Elevation cut for ONSALA85 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms ONSALA60 MET -999.0 0.0 -999.0 0.0-99999.0 0.0 ONSALA85 MET -999.0 0.0 -999.0 0.0-99999.0 0.0 Run 26091-1734 106 Observation Pairs Available Session started on: 2444617.876300 1981.01.13 09:01:52.320 UTC Nominal duration: 65093.760 sec 00 18:04:53.760 sec Solution type: Group delay X-band Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 83 4.002 ps 0.21 0.0625 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__META Used quality_code_limit: 5 Number of potentially recoverable observations: 105 Number of potentially good observations with QC 5-9: 106 Number of used observations: 83 ( 79.05%) Number of suppressed observations: 22 ( 20.95%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps ONSALA60 ONSALA85 83 105 4.002 0.21 19810113_a onstie 1981.01.13-18:04:19.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 1642+690 J1642+6856 0 12 12 0.000 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: 2134+00 J2136+0041 7 7 7 5.902 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: 3C120 J0433+0521 7 8 8 5.009 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: 3C273B J1229+0203 4 4 4 3.526 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: 3C345 J1642+3948 8 9 9 6.003 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: 3C454.3 J2253+1608 9 10 10 5.771 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: 3C84 J0319+4130 16 18 18 2.746 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: 4C39.25 J0927+3902 7 8 8 6.804 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: NRAO150 J0359+5057 11 14 15 4.037 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: OJ287 J0854+2006 5 5 5 5.801 19810113_a onstie 1981.01.13-18:04:19.200 SRC_STAT: VR422201 J2202+4216 9 10 10 6.573 19810113_a onstie 1981.01.13-18:04:19.200 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.01.13-18:03:47 1. ONSALA60 7213 EURA X Comp 3370605983.84 mm -5.157 mm 4.569 mm 1.142 mm 2. ONSALA60 7213 EURA Y Comp 711917526.56 mm -2.441 mm 1.075 mm 0.269 mm 3. ONSALA60 7213 EURA Z Comp 5349830764.88 mm -1.121 mm 7.211 mm 1.803 mm ONSALA60 7213 U Comp -3.94 mm -3.935 mm 8.513 mm 1.813 mm ONSALA60 7213 E Comp -1.32 mm -1.322 mm 0.717 mm 0.153 mm ONSALA60 7213 N Comp 4.07 mm 4.071 mm 1.021 mm 0.218 mm 4. ONSALA60 CL 0 1981.01.13-09:01:20.136 -2743.664 ns 0.076 ns 0.019 ns 5. ONSALA60 CL 1 1981.01.13-09:01:20.136 0.021 D-14 2.343 D-14 0.586 D-14 6. ONSALA60 CL 2 1981.01.13-09:01:20.136 0.162 D-14/day 2.698 D-14/day 0.675 D-14/day 25. ONSALA60 AT 0 1981.01.13-09:00:20.136 12.529 ps 20.060 ps 0.192 ps ONSALA60 Atm 1981.01.13-09:00:52.320 Avg: 12.529 ps Rms: 0.000 ps Tot_Rms: 12.529 ps || Nat: 106 Dura: 65100.0 sec Tzd_avg: 7668.3 Tzd_rms: 15.4 Wzd_avg: 102.5 Wzd_rms: 19.9 ps Prs_avg: 100614. Pa Tem_avg: 14.6 C Stm_avg: 14.8 C Stm_rms: 0.9 K Spr_avg: 784. Spr_rms: 133. Pa 26. ONSALA85 7212 EURA X Comp 3370966083.16 mm 5.157 mm 4.569 mm 1.142 mm 27. ONSALA85 7212 EURA Y Comp 711465999.44 mm 2.441 mm 1.075 mm 0.269 mm 28. ONSALA85 7212 EURA Z Comp 5349664052.12 mm 1.121 mm 7.211 mm 1.803 mm ONSALA85 7212 U Comp 3.94 mm 3.935 mm 8.513 mm 1.813 mm ONSALA85 7212 E Comp 1.32 mm 1.323 mm 0.717 mm 0.153 mm ONSALA85 7212 N Comp -4.07 mm -4.071 mm 1.021 mm 0.218 mm ONSALA85 Atm 1981.01.13-18:04:19.200 Avg: 0.000 ps Rms: 0.000 ps Tot_Rms: 0.000 ps || Nat: 106 Dura: 65100.0 sec Tzd_avg: 7669.2 Tzd_rms: 15.4 Wzd_avg: 102.6 Wzd_rms: 20.0 ps Prs_avg: 100625. Pa Tem_avg: 14.6 C Stm_avg: 14.8 C Stm_rms: 0.9 K Spr_avg: 783. Spr_rms: 134. Pa Atmosphere Constraint Statistics 1. ONSALA60 Input 50.00 ps/h RMS 0.00 ps/h NRMS 0.00 share 0.00 count 1 Overall RMS 0.00 ps/h NRMS 0.00 share 0.00 count 1 Clock Constraint Statistics 1. ONSALA60 Input 5.00 D-14 RMS 0.37 D-14 NRMS 0.07 share 0.12 count 19 Overall RMS 0.37 D-14 NRMS 0.07 share 0.12 count 19 EOP epoch (TDT) MJD: 44617.753150 General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.0658 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.01.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) ONSALA60 7213 to ONSALA85 7212 601116.79 1.81 601116.79 1.81 -8.33 1.71 -7.90 17.02 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:24 Correlator type: Unknown Experiment code: pol006 Mark-3 db_name: $81JAN22XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810122_a Ver 2 pol006 Matrix Condition Number = 4.104187988261528E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -1.3 2.0 989.8 0.5 42.4 0.6 HRAS_085 MET 4.3 5.3 847.2 0.7 31.0 5.6 ONSALA60 MET 1.3 0.2 1024.2 0.9 100.0 0.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1734 422 Observation Pairs Available Session started on: 2444627.380100 1981.01.22 21:07:20.640 UTC Nominal duration: 85622.400 sec 00 23:47:02.400 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 188 60.225 ps 0.80 0.9650 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 188 Number of potentially good observations with QC 5-9: 188 Number of used observations: 188 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 66 66 54.687 0.81 19810122_a pol006 1981.01.23-09:00:51.8 BAS_STAT HAYSTACK ONSALA60 95 95 56.848 0.76 19810122_a pol006 1981.01.23-09:00:51.8 BAS_STAT HRAS_085 ONSALA60 27 27 115.522 0.90 19810122_a pol006 1981.01.23-09:00:51.8 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19810122_a pol006 HRAS_085 ONSALA85 0/ 0 deselected baseline 19810122_a pol006 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 13 48.768 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 0235+164 J0238+1636 18 18 30 75.037 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 0552+398 J0555+3948 23 23 44 62.361 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 1642+690 J1642+6856 11 11 36 149.629 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 2134+00 J2136+0041 7 7 15 79.733 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 3C273B J1229+0203 5 5 10 38.421 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 3C345 J1642+3948 16 16 32 28.511 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 3C454.3 J2253+1608 13 13 22 42.012 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 4C39.25 J0927+3902 17 17 40 59.539 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: 4C67.05 J0228+6721 7 7 32 177.918 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: NRAO150 J0359+5057 19 19 56 45.100 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: OJ287 J0854+2006 13 13 34 73.394 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: OQ208 J1407+2827 9 9 17 102.669 19810122_a pol006 1981.01.23-09:00:51.840 SRC_STAT: VR422201 J2202+4216 22 22 41 60.615 19810122_a pol006 1981.01.23-09:00:51.840 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.01.23-09:00:19 1. HAYSTACK 7205 NOAM X Comp 1492404715.47 mm 19.470 mm 12.379 mm 12.160 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266365.51 mm 169.492 mm 40.752 mm 40.032 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881687.39 mm -106.607 mm 26.441 mm 25.974 mm HAYSTACK 7205 U Comp -185.91 mm -185.906 mm 43.743 mm 34.809 mm HAYSTACK 7205 E Comp 72.28 mm 72.276 mm 22.665 mm 18.036 mm HAYSTACK 7205 N Comp 26.21 mm 26.207 mm 9.270 mm 7.377 mm 4. HAYSTACK AT 0 1981.01.22-21:06:48.456 -0.268 ps 38.587 ps 37.905 ps HAYSTACK Atm 1981.01.23-09:07:20.640 Avg: 26.059 ps Rms: 13.728 ps Tot_Rms: 29.453 ps || Nat: 133 Dura: 85620.0 sec Tzd_avg: 7605.1 Tzd_rms: 12.5 Wzd_avg: 145.1 Wzd_rms: 12.1 ps Prs_avg: 98978. Pa Tem_avg: -1.3 C Stm_avg: 3.0 C Stm_rms: 1.6 K Spr_avg: 664. Spr_rms: 48. Pa 77. HAYSTACK NG 1981.01.22-21:05:48.456 0.001 mm 0.422 mm 0.414 mm 78. HAYSTACK EG 1981.01.22-21:05:48.456 0.030 mm 0.422 mm 0.414 mm 79. HAYSTACK NG 1981.01.23-05:05:48.456 0.005 mm 0.377 mm 0.370 mm 80. HAYSTACK EG 1981.01.23-05:05:48.456 0.003 mm 0.376 mm 0.370 mm 81. HAYSTACK NG 1981.01.23-13:05:48.456 0.007 mm 0.377 mm 0.370 mm 82. HAYSTACK EG 1981.01.23-13:05:48.456 -0.014 mm 0.377 mm 0.370 mm 83. HAYSTACK NG 1981.01.23-21:05:48.456 0.012 mm 0.422 mm 0.415 mm 84. HAYSTACK EG 1981.01.23-21:05:48.456 -0.012 mm 0.422 mm 0.414 mm 85. HRAS_085 7216 NOAM X Comp -1324211050.21 mm -33.212 mm 20.228 mm 19.871 mm 86. HRAS_085 7216 NOAM Y Comp -5332023061.28 mm 20.725 mm 80.600 mm 79.177 mm 87. HRAS_085 7216 NOAM Z Comp 3232118465.94 mm 158.943 mm 49.271 mm 48.401 mm HRAS_085 7216 U Comp 70.58 mm 70.577 mm 95.482 mm 75.982 mm HRAS_085 7216 E Comp -37.23 mm -37.228 mm 8.353 mm 6.647 mm HRAS_085 7216 N Comp 142.93 mm 142.927 mm 12.108 mm 9.635 mm 88. HRAS_085 CL 0 1981.01.22-21:06:48.456 -13932.170 ns 0.723 ns 0.710 ns 89. HRAS_085 CL 1 1981.01.22-21:06:48.456 -184.322 D-14 2.150 D-14 2.112 D-14 90. HRAS_085 CL 2 1981.01.22-21:06:48.456 2.017 D-14/day 1.876 D-14/day 1.843 D-14/day 115. HRAS_085 AT 0 1981.01.22-21:06:48.456 -10.864 ps 259.244 ps 254.664 ps HRAS_085 Atm 1981.01.23-09:07:20.640 Avg: -36.955 ps Rms: 17.202 ps Tot_Rms: 40.762 ps || Nat: 73 Dura: 85620.0 sec Tzd_avg: 6464.7 Tzd_rms: 11.3 Wzd_avg: 64.2 Wzd_rms: 12.1 ps Prs_avg: 84718. Pa Tem_avg: 4.6 C Stm_avg: -1.7 C Stm_rms: 3.3 K Spr_avg: 521. Spr_rms: 81. Pa 188. HRAS_085 NG 1981.01.22-21:05:48.456 0.005 mm 0.422 mm 0.415 mm 189. HRAS_085 EG 1981.01.22-21:05:48.456 -0.015 mm 0.422 mm 0.415 mm 190. HRAS_085 NG 1981.01.23-05:05:48.456 0.000 mm 0.377 mm 0.370 mm 191. HRAS_085 EG 1981.01.23-05:05:48.456 0.003 mm 0.377 mm 0.370 mm 192. HRAS_085 NG 1981.01.23-13:05:48.456 -0.001 mm 0.377 mm 0.370 mm 193. HRAS_085 EG 1981.01.23-13:05:48.456 0.005 mm 0.377 mm 0.370 mm 194. HRAS_085 NG 1981.01.23-21:05:48.456 -0.003 mm 0.422 mm 0.415 mm 195. HRAS_085 EG 1981.01.23-21:05:48.456 0.001 mm 0.422 mm 0.415 mm 196. ONSALA60 7213 EURA X Comp 3370606002.74 mm 13.742 mm 15.680 mm 15.403 mm 197. ONSALA60 7213 EURA Y Comp 711917338.78 mm -190.217 mm 41.563 mm 40.829 mm 198. ONSALA60 7213 EURA Z Comp 5349830713.66 mm -52.335 mm 32.315 mm 31.745 mm ONSALA60 7213 U Comp -58.02 mm -58.024 mm 26.157 mm 20.815 mm ONSALA60 7213 E Comp -188.95 mm -188.951 mm 39.267 mm 31.248 mm ONSALA60 7213 N Comp -6.41 mm -6.412 mm 28.134 mm 22.388 mm 199. ONSALA60 CL 0 1981.01.22-21:06:48.456 2888.858 ns 0.194 ns 0.191 ns 200. ONSALA60 CL 1 1981.01.22-21:06:48.456 40.526 D-14 2.229 D-14 2.190 D-14 201. ONSALA60 CL 2 1981.01.22-21:06:48.456 0.744 D-14/day 2.014 D-14/day 1.978 D-14/day 226. ONSALA60 AT 0 1981.01.22-21:06:48.456 47.364 ps 25.914 ps 25.456 ps ONSALA60 Atm 1981.01.23-09:07:20.640 Avg: -13.813 ps Rms: 28.840 ps Tot_Rms: 31.977 ps || Nat: 118 Dura: 83640.0 sec Tzd_avg: 8047.4 Tzd_rms: 51.3 Wzd_avg: 305.5 Wzd_rms: 56.3 ps Prs_avg: 102415. Pa Tem_avg: 1.3 C Stm_avg: -1.6 C Stm_rms: 0.4 K Spr_avg: 179. Spr_rms: 92. Pa 299. ONSALA60 NG 1981.01.22-21:05:48.456 0.002 mm 0.422 mm 0.415 mm 300. ONSALA60 EG 1981.01.22-21:05:48.456 -0.003 mm 0.422 mm 0.415 mm 301. ONSALA60 NG 1981.01.23-05:05:48.456 0.005 mm 0.377 mm 0.370 mm 302. ONSALA60 EG 1981.01.23-05:05:48.456 0.008 mm 0.377 mm 0.370 mm 303. ONSALA60 NG 1981.01.23-13:05:48.456 0.013 mm 0.377 mm 0.370 mm 304. ONSALA60 EG 1981.01.23-13:05:48.456 0.002 mm 0.377 mm 0.370 mm 305. ONSALA60 NG 1981.01.23-21:05:48.456 0.003 mm 0.422 mm 0.415 mm 306. ONSALA60 EG 1981.01.23-21:05:48.456 -0.008 mm 0.422 mm 0.415 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 9.45 ps/h NRMS 0.19 share 0.85 count 73 2. HRAS_085 Input 50.00 ps/h RMS 5.39 ps/h NRMS 0.11 share 0.95 count 73 3. ONSALA60 Input 50.00 ps/h RMS 13.32 ps/h NRMS 0.27 share 0.87 count 73 Overall RMS 9.93 ps/h NRMS 0.20 share 0.89 count 219 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 1.97 D-14 NRMS 0.39 share 0.50 count 25 3. ONSALA60 Input 5.00 D-14 RMS 1.60 D-14 NRMS 0.32 share 0.37 count 25 Overall RMS 1.79 D-14 NRMS 0.36 share 0.44 count 50 307. UT1-TAI 1, 1981.01.23-09:00:00.000 -2.3112 ms/d 132.57 micros/d 107.22 micros/d 105.32 micros/d EOP epoch (TDT) MJD: 44627.375373 NUT epoch (TDT) MJD: 44627.334728 308. Nutation DPSI wrt apriori model 1981.01.23-09:00:19.656 1.236 mas 2007.0 microasec 1971.5 microasec Nutation Dx wrt apriori model 1981.01.23-09:00:19.656 0.495 mas 796.0 microasec 781.9 microasec Nutation DPSI wrt Wahr 1980 model 1981.01.23-09:00:19.656 9.055 mas 2007.0 microasec 1971.5 microasec 309. Nutation DEPS wrt apriori model 1981.01.23-09:00:19.656 -0.863 mas 570.3 microasec 560.2 microasec Nutation Dy wrt apriori model 1981.01.23-09:00:19.656 -0.861 mas 573.7 microasec 563.6 microasec Nutation DEPS wrt Wahr 1980 model 1981.01.23-09:00:19.656 0.398 mas 570.3 microasec 560.2 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0894 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.01.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640981.69 36.35 3135640981.69 36.35 132.43 11.19 -279.08 138.67 HAYSTACK 7205 to ONSALA60 7213 5599714447.73 13.02 5599714447.73 13.02 40.94 7.79 -160.83 38.71 HRAS_085 7216 to ONSALA60 7213 7940732200.77 90.98 7940732200.77 90.98 223.51 12.44 74.90 117.29 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:27 Correlator type: Unknown Experiment code: pol007 Mark-3 db_name: $81FEB12X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810212_a Ver 2 pol007 Matrix Condition Number = 1.117384765507878E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -6.7 4.5 1036.4 3.0 52.8 14.5 HRAS_085 MET 6.4 3.9 854.2 2.4 21.5 0.5 Run 26091-1734 127 Observation Pairs Available Session started on: 2444648.418300 1981.02.12 22:02:21.120 UTC Nominal duration: 81656.640 sec 00 22:40:56.640 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 98 36.637 ps 0.80 1.0261 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 98 Number of potentially good observations with QC 5-9: 98 Number of used observations: 98 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 98 98 36.637 0.80 19810212_a pol007 1981.02.13-09:22:49.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 12 36.080 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 0235+164 J0238+1636 10 10 13 64.949 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 0552+398 J0555+3948 7 7 10 55.429 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 1642+690 J1642+6856 7 7 9 123.133 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 2134+00 J2136+0041 8 8 9 64.908 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 3C273B J1229+0203 6 6 6 18.198 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 3C345 J1642+3948 9 9 10 14.048 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 3C454.3 J2253+1608 6 6 11 55.190 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 4C39.25 J0927+3902 7 7 7 30.194 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: 4C67.05 J0228+6721 6 6 11 131.304 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: NRAO150 J0359+5057 6 6 9 7.858 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: OJ287 J0854+2006 6 6 8 38.664 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: OQ208 J1407+2827 4 4 4 77.399 19810212_a pol007 1981.02.13-09:22:49.440 SRC_STAT: VR422201 J2202+4216 7 7 8 15.966 19810212_a pol007 1981.02.13-09:22:49.440 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.02.13-09:22:17 1. HAYSTACK 7205 NOAM X Comp 1492404710.88 mm 14.878 mm 4.978 mm 5.043 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266396.86 mm 138.140 mm 17.929 mm 18.162 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881682.12 mm -111.876 mm 12.560 mm 12.724 mm HAYSTACK 7205 U Comp -168.67 mm -168.671 mm 20.382 mm 16.331 mm HAYSTACK 7205 E Comp 57.97 mm 57.967 mm 8.584 mm 6.877 mm HAYSTACK 7205 N Comp 3.19 mm 3.185 mm 3.862 mm 3.095 mm 4. HAYSTACK AT 0 1981.02.12-22:01:48.936 17.182 ps 56.452 ps 57.185 ps HAYSTACK Atm 1981.02.13-09:32:21.120 Avg: 3.041 ps Rms: 16.387 ps Tot_Rms: 16.666 ps || Nat: 127 Dura: 81660.0 sec Tzd_avg: 7883.2 Tzd_rms: 23.8 Wzd_avg: 71.2 Wzd_rms: 4.8 ps Prs_avg: 103640. Pa Tem_avg: -6.7 C Stm_avg: 1.7 C Stm_rms: 1.8 K Spr_avg: 723. Spr_rms: 66. Pa 74. HAYSTACK NG 1981.02.12-22:00:48.936 -0.011 mm 0.422 mm 0.428 mm 75. HAYSTACK EG 1981.02.12-22:00:48.936 -0.012 mm 0.422 mm 0.428 mm 76. HAYSTACK NG 1981.02.13-06:00:48.936 -0.009 mm 0.377 mm 0.382 mm 77. HAYSTACK EG 1981.02.13-06:00:48.936 -0.013 mm 0.377 mm 0.382 mm 78. HAYSTACK NG 1981.02.13-14:00:48.936 -0.008 mm 0.377 mm 0.382 mm 79. HAYSTACK EG 1981.02.13-14:00:48.936 0.008 mm 0.377 mm 0.382 mm 80. HAYSTACK NG 1981.02.13-22:00:48.936 -0.004 mm 0.422 mm 0.428 mm 81. HAYSTACK EG 1981.02.13-22:00:48.936 0.016 mm 0.422 mm 0.428 mm 82. HRAS_085 7216 NOAM X Comp -1324211031.88 mm -14.878 mm 4.978 mm 5.043 mm 83. HRAS_085 7216 NOAM Y Comp -5332023220.14 mm -138.140 mm 17.929 mm 18.162 mm 84. HRAS_085 7216 NOAM Z Comp 3232118418.88 mm 111.876 mm 12.560 mm 12.724 mm HRAS_085 7216 U Comp 175.45 mm 175.450 mm 21.419 mm 17.162 mm HRAS_085 7216 E Comp 18.86 mm 18.857 mm 5.221 mm 4.184 mm HRAS_085 7216 N Comp 26.11 mm 26.113 mm 4.236 mm 3.394 mm 85. HRAS_085 CL 0 1981.02.12-22:01:48.936 -17458.635 ns 0.264 ns 0.268 ns 86. HRAS_085 CL 1 1981.02.12-22:01:48.936 -83.800 D-14 2.253 D-14 2.283 D-14 87. HRAS_085 CL 2 1981.02.12-22:01:48.936 12.687 D-14/day 2.021 D-14/day 2.047 D-14/day 111. HRAS_085 AT 0 1981.02.12-22:01:48.936 -186.300 ps 78.056 ps 79.070 ps HRAS_085 Atm 1981.02.13-09:32:21.120 Avg: -129.859 ps Rms: 53.463 ps Tot_Rms: 140.434 ps || Nat: 127 Dura: 81660.0 sec Tzd_avg: 6575.6 Tzd_rms: 21.9 Wzd_avg: 133.6 Wzd_rms: 12.9 ps Prs_avg: 85416. Pa Tem_avg: 6.4 C Stm_avg: 0.6 C Stm_rms: 3.7 K Spr_avg: 643. Spr_rms: 71. Pa 181. HRAS_085 NG 1981.02.12-22:00:48.936 0.003 mm 0.422 mm 0.428 mm 182. HRAS_085 EG 1981.02.12-22:00:48.936 0.010 mm 0.422 mm 0.428 mm 183. HRAS_085 NG 1981.02.13-06:00:48.936 0.003 mm 0.377 mm 0.382 mm 184. HRAS_085 EG 1981.02.13-06:00:48.936 0.012 mm 0.377 mm 0.382 mm 185. HRAS_085 NG 1981.02.13-14:00:48.936 -0.007 mm 0.377 mm 0.382 mm 186. HRAS_085 EG 1981.02.13-14:00:48.936 -0.004 mm 0.377 mm 0.382 mm 187. HRAS_085 NG 1981.02.13-22:00:48.936 -0.012 mm 0.422 mm 0.428 mm 188. HRAS_085 EG 1981.02.13-22:00:48.936 -0.007 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 12.27 ps/h NRMS 0.25 share 0.88 count 70 2. HRAS_085 Input 50.00 ps/h RMS 11.79 ps/h NRMS 0.24 share 0.92 count 70 Overall RMS 12.03 ps/h NRMS 0.24 share 0.90 count 140 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 1.72 D-14 NRMS 0.34 share 0.39 count 24 Overall RMS 1.72 D-14 NRMS 0.34 share 0.39 count 24 189. UT1-TAI 1, 1981.02.13-09:22:00.000 -2.3764 ms/d 23.90 micros/d 293.33 micros/d 297.14 micros/d EOP epoch (TDT) MJD: 44648.390650 NUT epoch (TDT) MJD: 44648.472814 190. Nutation DPSI wrt apriori model 1981.02.13-09:22:17.256 0.072 mas 2830.1 microasec 2866.8 microasec Nutation Dx wrt apriori model 1981.02.13-09:22:17.256 0.036 mas 1122.2 microasec 1136.8 microasec Nutation DPSI wrt Wahr 1980 model 1981.02.13-09:22:17.256 6.889 mas 2830.1 microasec 2866.8 microasec 191. Nutation DEPS wrt apriori model 1981.02.13-09:22:17.256 -1.757 mas 856.5 microasec 867.6 microasec Nutation Dy wrt apriori model 1981.02.13-09:22:17.256 -1.757 mas 861.3 microasec 872.5 microasec Nutation DEPS wrt Wahr 1980 model 1981.02.13-09:22:17.256 -1.085 mas 856.5 microasec 867.6 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2358 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.02.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641010.86 11.35 3135641010.86 11.35 23.22 5.90 -354.92 43.04 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:30 Correlator type: Unknown Experiment code: pol008 Mark-3 db_name: $81FEB27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810227_a Ver 2 pol008 Matrix Condition Number = 6.254264245957040E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 1.0 3.0 1004.7 1.9 48.7 1.8 HRAS_085 MET 11.1 1.8 843.2 1.2 69.8 8.4 ONSALA60 MET -0.6 2.7 1029.7 3.5 62.1 3.4 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1734 391 Observation Pairs Available Session started on: 2444663.378700 1981.02.27 21:05:19.680 UTC Nominal duration: 78295.680 sec 00 21:44:55.680 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 134 90.789 ps 0.82 1.0020 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 145 Number of potentially good observations with QC 5-9: 145 Number of used observations: 134 ( 92.41%) Number of suppressed observations: 11 ( 7.59%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 44 53 82.760 0.81 19810227_a pol008 1981.02.28-07:57:47.5 BAS_STAT HAYSTACK ONSALA60 77 79 92.251 0.82 19810227_a pol008 1981.02.28-07:57:47.5 BAS_STAT HRAS_085 ONSALA60 13 13 121.038 0.87 19810227_a pol008 1981.02.28-07:57:47.5 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19810227_a pol008 HRAS_085 ONSALA85 0/ 0 deselected baseline 19810227_a pol008 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 1 2 8 20.737 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 0235+164 J0238+1636 2 3 14 41.515 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 0552+398 J0555+3948 14 14 27 98.520 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 1642+690 J1642+6856 20 20 54 161.781 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 2134+00 J2136+0041 6 6 14 71.948 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 3C273B J1229+0203 7 7 16 14.396 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 3C345 J1642+3948 19 20 47 71.012 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 3C454.3 J2253+1608 6 7 20 91.222 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 4C39.25 J0927+3902 11 11 28 95.154 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: 4C67.05 J0228+6721 4 6 29 82.008 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: NRAO150 J0359+5057 10 12 40 86.360 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: OJ287 J0854+2006 10 10 19 61.179 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: OQ208 J1407+2827 12 13 35 167.414 19810227_a pol008 1981.02.28-07:57:47.520 SRC_STAT: VR422201 J2202+4216 12 14 40 72.290 19810227_a pol008 1981.02.28-07:57:47.520 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.02.28-07:57:15 1. HAYSTACK 7205 NOAM X Comp 1492404832.98 mm 136.975 mm 19.247 mm 19.266 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266339.37 mm 195.634 mm 52.329 mm 52.381 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881728.19 mm -65.813 mm 37.324 mm 37.360 mm HAYSTACK 7205 U Comp -149.07 mm -149.070 mm 58.313 mm 47.983 mm HAYSTACK 7205 E Comp 192.00 mm 192.002 mm 30.245 mm 24.887 mm HAYSTACK 7205 N Comp 47.75 mm 47.747 mm 13.662 mm 11.242 mm 4. HAYSTACK AT 0 1981.02.27-21:04:47.496 -51.633 ps 89.777 ps 89.865 ps HAYSTACK Atm 1981.02.28-08:05:19.680 Avg: -1.357 ps Rms: 27.669 ps Tot_Rms: 27.702 ps || Nat: 128 Dura: 78300.0 sec Tzd_avg: 7641.7 Tzd_rms: 678.6 Wzd_avg: 125.5 Wzd_rms: 41.2 ps Prs_avg: 100475. Pa Tem_avg: 0.9 C Stm_avg: 3.8 C Stm_rms: 1.2 K Spr_avg: 650. Spr_rms: 55. Pa 71. HAYSTACK NG 1981.02.27-21:03:47.496 0.013 mm 0.422 mm 0.423 mm 72. HAYSTACK EG 1981.02.27-21:03:47.496 0.002 mm 0.422 mm 0.423 mm 73. HAYSTACK NG 1981.02.28-05:03:47.496 0.002 mm 0.377 mm 0.377 mm 74. HAYSTACK EG 1981.02.28-05:03:47.496 -0.003 mm 0.377 mm 0.377 mm 75. HAYSTACK NG 1981.02.28-13:03:47.496 0.002 mm 0.377 mm 0.377 mm 76. HAYSTACK EG 1981.02.28-13:03:47.496 -0.006 mm 0.377 mm 0.377 mm 77. HAYSTACK NG 1981.02.28-21:03:47.496 0.004 mm 0.422 mm 0.423 mm 78. HAYSTACK EG 1981.02.28-21:03:47.496 0.002 mm 0.422 mm 0.423 mm 79. HRAS_085 7216 NOAM X Comp -1324210845.10 mm 171.897 mm 29.999 mm 30.029 mm 80. HRAS_085 7216 NOAM Y Comp -5332023272.93 mm -190.925 mm 99.659 mm 99.756 mm 81. HRAS_085 7216 NOAM Z Comp 3232118430.08 mm 123.078 mm 61.055 mm 61.115 mm HRAS_085 7216 U Comp 186.50 mm 186.503 mm 117.889 mm 97.006 mm HRAS_085 7216 E Comp 212.85 mm 212.847 mm 16.162 mm 13.299 mm HRAS_085 7216 N Comp 32.59 mm 32.586 mm 20.011 mm 16.466 mm 82. HRAS_085 CL 0 1981.02.27-21:04:47.496 -17533.516 ns 0.893 ns 0.894 ns 83. HRAS_085 CL 1 1981.02.27-21:04:47.496 -22.347 D-14 2.755 D-14 2.758 D-14 84. HRAS_085 CL 2 1981.02.27-21:04:47.496 1.786 D-14/day 2.738 D-14/day 2.741 D-14/day 107. HRAS_085 AT 0 1981.02.27-21:04:47.496 -34.079 ps 313.673 ps 313.981 ps HRAS_085 Atm 1981.02.28-08:05:19.680 Avg: -40.514 ps Rms: 7.934 ps Tot_Rms: 41.283 ps || Nat: 71 Dura: 78300.0 sec Tzd_avg: 6809.8 Tzd_rms: 42.0 Wzd_avg: 453.8 Wzd_rms: 49.3 ps Prs_avg: 84322. Pa Tem_avg: 11.1 C Stm_avg: -1.1 C Stm_rms: 0.8 K Spr_avg: 543. Spr_rms: 66. Pa 174. HRAS_085 NG 1981.02.27-21:03:47.496 -0.001 mm 0.422 mm 0.423 mm 175. HRAS_085 EG 1981.02.27-21:03:47.496 0.001 mm 0.422 mm 0.423 mm 176. HRAS_085 NG 1981.02.28-05:03:47.496 0.001 mm 0.377 mm 0.377 mm 177. HRAS_085 EG 1981.02.28-05:03:47.496 -0.003 mm 0.377 mm 0.377 mm 178. HRAS_085 NG 1981.02.28-13:03:47.496 0.004 mm 0.377 mm 0.377 mm 179. HRAS_085 EG 1981.02.28-13:03:47.496 -0.000 mm 0.377 mm 0.377 mm 180. HRAS_085 NG 1981.02.28-21:03:47.496 -0.001 mm 0.422 mm 0.423 mm 181. HRAS_085 EG 1981.02.28-21:03:47.496 0.003 mm 0.422 mm 0.423 mm 182. ONSALA60 7213 EURA X Comp 3370605680.13 mm -308.872 mm 27.071 mm 27.098 mm 183. ONSALA60 7213 EURA Y Comp 711917524.29 mm -4.709 mm 51.782 mm 51.833 mm 184. ONSALA60 7213 EURA Z Comp 5349830708.74 mm -57.265 mm 46.475 mm 46.521 mm ONSALA60 7213 U Comp -211.60 mm -211.602 mm 43.241 mm 35.581 mm ONSALA60 7213 E Comp 59.22 mm 59.223 mm 49.200 mm 40.485 mm ONSALA60 7213 N Comp 224.55 mm 224.545 mm 35.829 mm 29.482 mm 185. ONSALA60 CL 0 1981.02.27-21:04:47.496 -58293.902 ns 0.503 ns 0.504 ns 186. ONSALA60 CL 1 1981.02.27-21:04:47.496 138.899 D-14 2.812 D-14 2.814 D-14 187. ONSALA60 CL 2 1981.02.27-21:04:47.496 -1.237 D-14/day 2.651 D-14/day 2.654 D-14/day 210. ONSALA60 AT 0 1981.02.27-21:04:47.496 -11.835 ps 87.957 ps 88.043 ps ONSALA60 Atm 1981.02.28-08:05:19.680 Avg: -1.093 ps Rms: 36.116 ps Tot_Rms: 36.132 ps || Nat: 111 Dura: 77040.0 sec Tzd_avg: 7893.0 Tzd_rms: 17.7 Wzd_avg: 92.9 Wzd_rms: 11.2 ps Prs_avg: 102997. Pa Tem_avg: -0.9 C Stm_avg: 0.5 C Stm_rms: 1.1 K Spr_avg: 84. Spr_rms: 140. Pa 277. ONSALA60 NG 1981.02.27-21:03:47.496 0.004 mm 0.422 mm 0.423 mm 278. ONSALA60 EG 1981.02.27-21:03:47.496 -0.004 mm 0.422 mm 0.423 mm 279. ONSALA60 NG 1981.02.28-05:03:47.496 -0.001 mm 0.377 mm 0.377 mm 280. ONSALA60 EG 1981.02.28-05:03:47.496 0.004 mm 0.377 mm 0.377 mm 281. ONSALA60 NG 1981.02.28-13:03:47.496 -0.006 mm 0.377 mm 0.377 mm 282. ONSALA60 EG 1981.02.28-13:03:47.496 0.002 mm 0.377 mm 0.377 mm 283. ONSALA60 NG 1981.02.28-21:03:47.496 -0.001 mm 0.422 mm 0.423 mm 284. ONSALA60 EG 1981.02.28-21:03:47.496 -0.000 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 8.97 ps/h NRMS 0.18 share 0.93 count 67 2. HRAS_085 Input 50.00 ps/h RMS 4.25 ps/h NRMS 0.09 share 0.97 count 67 3. ONSALA60 Input 50.00 ps/h RMS 13.08 ps/h NRMS 0.26 share 0.93 count 67 Overall RMS 9.48 ps/h NRMS 0.19 share 0.95 count 201 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 1.70 D-14 NRMS 0.34 share 0.64 count 23 3. ONSALA60 Input 5.00 D-14 RMS 1.68 D-14 NRMS 0.34 share 0.51 count 23 Overall RMS 1.69 D-14 NRMS 0.34 share 0.57 count 46 285. UT1-TAI 1, 1981.02.28-07:57:00.000 -2.5604 ms/d -298.14 micros/d 206.98 micros/d 207.19 micros/d EOP epoch (TDT) MJD: 44663.331622 NUT epoch (TDT) MJD: 44663.351215 286. Nutation DPSI wrt apriori model 1981.02.28-07:57:15.336 0.642 mas 3097.8 microasec 3100.8 microasec Nutation Dx wrt apriori model 1981.02.28-07:57:15.336 0.263 mas 1227.8 microasec 1229.0 microasec Nutation DPSI wrt Wahr 1980 model 1981.02.28-07:57:15.336 8.170 mas 3097.8 microasec 3100.8 microasec 287. Nutation DEPS wrt apriori model 1981.02.28-07:57:15.336 -1.819 mas 1086.4 microasec 1087.5 microasec Nutation Dy wrt apriori model 1981.02.28-07:57:15.336 -1.818 mas 1091.6 microasec 1092.7 microasec Nutation DEPS wrt Wahr 1980 model 1981.02.28-07:57:15.336 -1.794 mas 1086.4 microasec 1087.5 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1868 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.02.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640995.36 50.89 3135640995.36 50.89 -90.02 17.66 -421.99 172.18 HAYSTACK 7205 to ONSALA60 7213 5599714438.63 22.96 5599714438.63 22.96 -338.32 12.80 117.15 70.01 HRAS_085 7216 to ONSALA60 7213 7940732199.30117.34 7940732199.30117.34 -381.81 21.90 340.92 146.69 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:33 Correlator type: Unknown Experiment code: pol009 Mark-3 db_name: $81MAR16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810316_a Ver 2 pol009 Matrix Condition Number = 1.819286142389649E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -3.5 4.4 980.5 2.0 43.3 6.2 HRAS_085 MET 9.1 3.3 844.3 2.7 42.9 11.5 Run 26091-1734 188 Observation Pairs Available Session started on: 2444680.254300 1981.03.16 18:06:11.520 UTC Nominal duration: 83099.520 sec 00 23:04:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 164 72.590 ps 0.90 1.0479 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 165 Number of potentially good observations with QC 5-9: 165 Number of used observations: 164 ( 99.39%) Number of suppressed observations: 1 ( 0.61%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 164 165 72.590 0.90 19810316_a pol009 1981.03.17-05:38:41.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 10 57.589 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 0235+164 J0238+1636 13 13 14 127.280 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 0552+398 J0555+3948 14 14 14 51.355 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 1642+690 J1642+6856 16 16 16 171.996 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 2134+00 J2136+0041 9 9 10 65.271 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 3C273B J1229+0203 7 7 13 71.848 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 3C345 J1642+3948 18 18 18 37.216 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 3C454.3 J2253+1608 5 5 9 84.272 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 4C39.25 J0927+3902 11 11 13 79.968 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: 4C67.05 J0228+6721 7 8 15 245.933 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: NRAO150 J0359+5057 14 14 15 53.549 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: OJ287 J0854+2006 12 12 13 111.892 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: OQ208 J1407+2827 19 19 19 117.819 19810316_a pol009 1981.03.17-05:38:41.280 SRC_STAT: VR422201 J2202+4216 9 9 9 29.527 19810316_a pol009 1981.03.17-05:38:41.280 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.03.17-05:38:09 1. HAYSTACK 7205 NOAM X Comp 1492404707.37 mm 11.373 mm 5.793 mm 5.930 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266455.79 mm 79.208 mm 22.515 mm 23.047 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881710.49 mm -83.510 mm 16.533 mm 16.924 mm HAYSTACK 7205 U Comp -109.16 mm -109.161 mm 26.112 mm 23.372 mm HAYSTACK 7205 E Comp 35.93 mm 35.933 mm 10.769 mm 9.639 mm HAYSTACK 7205 N Comp -13.03 mm -13.031 mm 4.000 mm 3.580 mm 4. HAYSTACK AT 0 1981.03.16-18:05:39.336 60.268 ps 44.347 ps 45.397 ps HAYSTACK Atm 1981.03.17-06:06:11.520 Avg: 32.947 ps Rms: 32.781 ps Tot_Rms: 46.477 ps || Nat: 188 Dura: 83100.0 sec Tzd_avg: 7502.8 Tzd_rms: 58.0 Wzd_avg: 109.4 Wzd_rms: 47.9 ps Prs_avg: 98048. Pa Tem_avg: -3.5 C Stm_avg: 1.5 C Stm_rms: 1.4 K Spr_avg: 625. Spr_rms: 47. Pa 77. HAYSTACK NG 1981.03.16-18:04:39.336 -0.008 mm 0.422 mm 0.432 mm 78. HAYSTACK EG 1981.03.16-18:04:39.336 0.015 mm 0.422 mm 0.432 mm 79. HAYSTACK NG 1981.03.17-02:04:39.336 -0.000 mm 0.377 mm 0.386 mm 80. HAYSTACK EG 1981.03.17-02:04:39.336 -0.001 mm 0.377 mm 0.386 mm 81. HAYSTACK NG 1981.03.17-10:04:39.336 -0.012 mm 0.377 mm 0.386 mm 82. HAYSTACK EG 1981.03.17-10:04:39.336 -0.021 mm 0.377 mm 0.386 mm 83. HAYSTACK NG 1981.03.17-18:04:39.336 -0.004 mm 0.422 mm 0.432 mm 84. HAYSTACK EG 1981.03.17-18:04:39.336 -0.004 mm 0.422 mm 0.432 mm 85. HRAS_085 7216 NOAM X Comp -1324211028.37 mm -11.373 mm 5.793 mm 5.930 mm 86. HRAS_085 7216 NOAM Y Comp -5332023161.21 mm -79.208 mm 22.515 mm 23.047 mm 87. HRAS_085 7216 NOAM Z Comp 3232118390.51 mm 83.510 mm 16.533 mm 16.924 mm HRAS_085 7216 U Comp 111.06 mm 111.057 mm 27.508 mm 24.621 mm HRAS_085 7216 E Comp 8.05 mm 8.054 mm 5.840 mm 5.227 mm HRAS_085 7216 N Comp 31.28 mm 31.282 mm 4.799 mm 4.295 mm 88. HRAS_085 CL 0 1981.03.16-18:05:39.336 -17693.344 ns 0.306 ns 0.314 ns 89. HRAS_085 CL 1 1981.03.16-18:05:39.336 -9.916 D-14 2.217 D-14 2.269 D-14 90. HRAS_085 CL 2 1981.03.16-18:05:39.336 -0.318 D-14/day 2.015 D-14/day 2.063 D-14/day 115. HRAS_085 AT 0 1981.03.16-18:05:39.336 34.453 ps 94.493 ps 96.729 ps HRAS_085 Atm 1981.03.17-06:06:11.520 Avg: -4.513 ps Rms: 20.256 ps Tot_Rms: 20.753 ps || Nat: 188 Dura: 83100.0 sec Tzd_avg: 6599.7 Tzd_rms: 71.2 Wzd_avg: 229.7 Wzd_rms: 54.4 ps Prs_avg: 84431. Pa Tem_avg: 9.1 C Stm_avg: -1.7 C Stm_rms: 2.0 K Spr_avg: 563. Spr_rms: 55. Pa 188. HRAS_085 NG 1981.03.16-18:04:39.336 0.003 mm 0.422 mm 0.432 mm 189. HRAS_085 EG 1981.03.16-18:04:39.336 -0.019 mm 0.422 mm 0.432 mm 190. HRAS_085 NG 1981.03.17-02:04:39.336 0.009 mm 0.377 mm 0.386 mm 191. HRAS_085 EG 1981.03.17-02:04:39.336 0.010 mm 0.377 mm 0.386 mm 192. HRAS_085 NG 1981.03.17-10:04:39.336 0.001 mm 0.377 mm 0.386 mm 193. HRAS_085 EG 1981.03.17-10:04:39.336 -0.003 mm 0.377 mm 0.386 mm 194. HRAS_085 NG 1981.03.17-18:04:39.336 -0.004 mm 0.422 mm 0.432 mm 195. HRAS_085 EG 1981.03.17-18:04:39.336 -0.009 mm 0.422 mm 0.432 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 14.05 ps/h NRMS 0.28 share 0.89 count 73 2. HRAS_085 Input 50.00 ps/h RMS 11.23 ps/h NRMS 0.22 share 0.92 count 73 Overall RMS 12.72 ps/h NRMS 0.25 share 0.91 count 146 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 2.13 D-14 NRMS 0.43 share 0.31 count 25 Overall RMS 2.13 D-14 NRMS 0.43 share 0.31 count 25 196. UT1-TAI 1, 1981.03.17-05:38:00.000 -2.2441 ms/d 328.60 micros/d 266.18 micros/d 272.47 micros/d EOP epoch (TDT) MJD: 44680.235095 NUT epoch (TDT) MJD: 44680.209773 197. Nutation DPSI wrt apriori model 1981.03.17-05:38:09.096 3.091 mas 3192.4 microasec 3267.9 microasec Nutation Dx wrt apriori model 1981.03.17-05:38:09.096 1.235 mas 1266.4 microasec 1296.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.03.17-05:38:09.096 11.991 mas 3192.4 microasec 3267.9 microasec 198. Nutation DEPS wrt apriori model 1981.03.17-05:38:09.096 -1.421 mas 853.9 microasec 874.1 microasec Nutation Dy wrt apriori model 1981.03.17-05:38:09.096 -1.416 mas 859.2 microasec 879.5 microasec Nutation DEPS wrt Wahr 1980 model 1981.03.17-05:38:09.096 -2.582 mas 853.9 microasec 874.1 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1427 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.03.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640990.94 12.47 3135640990.94 12.47 43.52 6.97 -227.05 55.24 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:36 Correlator type: Unknown Experiment code: pol012 Mark-3 db_name: $81MAY13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810513_a Ver 2 pol012 Matrix Condition Number = 5.512391767211645E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: CABL_DEL GION | | HRAS_085: CABL_DEL GION | | ONSALA85: CABL_DEL | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 14.6 6.0 1003.2 1.3 64.1 26.4 HRAS_085 MET 13.9 5.9 845.1 1.6 10.0 14.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 15.1 5.5 1002.8 1.7 14.4 15.6 Run 26091-1734 555 Observation Pairs Available Session started on: 2444738.254700 1981.05.13 18:06:46.080 UTC Nominal duration: 93147.840 sec 01 01:52:27.840 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 46 39.048 ps 0.72 0.9621 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 79 Number of potentially good observations with QC 5-9: 79 Number of used observations: 46 ( 58.23%) Number of suppressed observations: 33 ( 41.77%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK WESTFORD 46 79 39.048 0.72 19810513_a pol012 1981.05.14-07:03:00.0 BAS_STAT Not included: HAYSTACK HRAS_085 0/ 0 deselected baseline 19810513_a pol012 HAYSTACK ONSALA85 0/ 0 deselected baseline 19810513_a pol012 HRAS_085 ONSALA85 0/ 0 deselected baseline 19810513_a pol012 HRAS_085 WESTFORD 0/ 0 deselected baseline 19810513_a pol012 ONSALA85 WESTFORD 0/ 0 deselected baseline 19810513_a pol012 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 3 8 49 52.714 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 0235+164 J0238+1636 2 7 45 118.134 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 0552+398 J0555+3948 3 6 40 62.014 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 1642+690 J1642+6856 0 5 55 0.000 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 2134+00 J2136+0041 6 7 40 31.374 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 3C273B J1229+0203 2 2 13 6.851 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 3C345 J1642+3948 4 5 34 34.028 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 3C454.3 J2253+1608 7 7 42 28.282 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 4C39.25 J0927+3902 2 2 22 40.425 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: 4C67.05 J0228+6721 0 5 45 0.000 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: NRAO150 J0359+5057 5 9 61 41.766 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: OJ287 J0854+2006 2 3 27 38.682 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: OQ208 J1407+2827 2 4 20 102.058 19810513_a pol012 1981.05.14-07:03:00.000 SRC_STAT: VR422201 J2202+4216 8 9 62 54.731 19810513_a pol012 1981.05.14-07:03:00.000 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.05.14-07:02:27 1. HAYSTACK 7205 NOAM X Comp 1492404700.52 mm 4.517 mm 5.924 mm 5.811 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266561.58 mm -26.575 mm 13.849 mm 13.584 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881812.94 mm 18.937 mm 12.099 mm 11.867 mm HAYSTACK 7205 U Comp 32.42 mm 32.422 mm 17.773 mm 12.722 mm HAYSTACK 7205 E Comp -4.15 mm -4.154 mm 3.298 mm 2.361 mm HAYSTACK 7205 N Comp -4.10 mm -4.102 mm 6.819 mm 4.881 mm 4. HAYSTACK CL 0 1981.05.13-18:06:13.896 7.332 ns 2.429 ns 2.383 ns 5. HAYSTACK CL 1 1981.05.13-18:06:13.896 -2.031 D-14 7.721 D-14 7.573 D-14 6. HAYSTACK CL 2 1981.05.13-18:06:13.896 4.062 D-14/day 4.905 D-14/day 4.811 D-14/day 33. HAYSTACK AT 0 1981.05.13-18:06:13.896 1566.643 ps 18715.674 ps 18357.553 ps HAYSTACK Atm 1981.05.14-07:06:46.080 Avg: 1551.547 ps Rms: 16.905 ps Tot_Rms: 1551.639 ps || Nat: 119 Dura: 49860.0 sec Tzd_avg: 7861.2 Tzd_rms: 35.2 Wzd_avg: 303.9 Wzd_rms: 45.1 ps Prs_avg: 100331. Pa Tem_avg: 14.5 C Stm_avg: 0.8 C Stm_rms: 1.2 K Spr_avg: 669. Spr_rms: 55. Pa 112. HAYSTACK NG 1981.05.13-18:05:13.896 0.001 mm 0.422 mm 0.414 mm 113. HAYSTACK EG 1981.05.13-18:05:13.896 0.000 mm 0.422 mm 0.414 mm 114. HAYSTACK NG 1981.05.14-02:05:13.896 0.003 mm 0.377 mm 0.370 mm 115. HAYSTACK EG 1981.05.14-02:05:13.896 0.000 mm 0.377 mm 0.369 mm 116. HAYSTACK NG 1981.05.14-10:05:13.896 0.007 mm 0.377 mm 0.370 mm 117. HAYSTACK EG 1981.05.14-10:05:13.896 -0.006 mm 0.377 mm 0.370 mm 118. HAYSTACK NG 1981.05.14-18:05:13.896 -0.016 mm 0.422 mm 0.414 mm 119. HAYSTACK EG 1981.05.14-18:05:13.896 0.021 mm 0.422 mm 0.414 mm 120. WESTFORD 7209 NOAM X Comp 1492206538.48 mm -4.517 mm 5.924 mm 5.811 mm 121. WESTFORD 7209 NOAM Y Comp -4458130495.42 mm 26.575 mm 13.849 mm 13.584 mm 122. WESTFORD 7209 NOAM Z Comp 4296015528.06 mm -18.937 mm 12.099 mm 11.867 mm WESTFORD 7209 U Comp -32.42 mm -32.423 mm 17.774 mm 12.722 mm WESTFORD 7209 E Comp 4.15 mm 4.152 mm 3.298 mm 2.361 mm WESTFORD 7209 N Comp 4.10 mm 4.096 mm 6.818 mm 4.880 mm 123. WESTFORD AT 0 1981.05.13-18:06:13.896 1579.407 ps 18722.299 ps 18364.050 ps WESTFORD Atm 1981.05.14-07:06:46.080 Avg: 1594.445 ps Rms: 16.862 ps Tot_Rms: 1594.534 ps || Nat: 197 Dura: 93145.0 sec Tzd_avg: 7878.2 Tzd_rms: 34.1 Wzd_avg: 300.4 Wzd_rms: 37.7 ps Prs_avg: 100261. Pa Tem_avg: 14.9 C Stm_avg: 0.9 C Stm_rms: 1.0 K Spr_avg: 328. Spr_rms: 54. Pa 202. WESTFORD NG 1981.05.13-18:05:13.896 -0.001 mm 0.422 mm 0.414 mm 203. WESTFORD EG 1981.05.13-18:05:13.896 -0.000 mm 0.422 mm 0.414 mm 204. WESTFORD NG 1981.05.14-02:05:13.896 -0.003 mm 0.377 mm 0.370 mm 205. WESTFORD EG 1981.05.14-02:05:13.896 -0.000 mm 0.377 mm 0.369 mm 206. WESTFORD NG 1981.05.14-10:05:13.896 -0.007 mm 0.377 mm 0.370 mm 207. WESTFORD EG 1981.05.14-10:05:13.896 0.006 mm 0.377 mm 0.370 mm 208. WESTFORD NG 1981.05.14-18:05:13.896 0.016 mm 0.422 mm 0.414 mm 209. WESTFORD EG 1981.05.14-18:05:13.896 -0.021 mm 0.422 mm 0.414 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 7.91 ps/h NRMS 0.16 share 0.95 count 79 4. WESTFORD Input 50.00 ps/h RMS 7.91 ps/h NRMS 0.16 share 0.95 count 79 Overall RMS 7.91 ps/h NRMS 0.16 share 0.95 count 158 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 2.10 D-14 NRMS 0.42 share 0.69 count 27 Overall RMS 2.10 D-14 NRMS 0.42 share 0.69 count 27 EOP epoch (TDT) MJD: 44738.294123 General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6711 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.05.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to WESTFORD 7209 1239394.76 13.51 1239394.76 13.51 -4.73 6.63 65.08 35.59 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:39 Correlator type: Unknown Experiment code: xus811 Mark-3 db_name: $81JUN16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810616_a Ver 2 xus811 Matrix Condition Number = 1.148148582444681E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 27.6 3.6 997.7 0.9 42.2 3.9 HRAS_085 MET 14.1 5.0 849.9 1.0 27.6 1.0 OVRO_130 MET 26.9 7.3 877.4 1.1 1.3 1.4 WESTFORD MET 27.8 3.6 997.8 0.9 43.2 4.5 Run 26091-1734 1002 Observation Pairs Available Session started on: 2444772.257800 1981.06.16 18:11:13.920 UTC Nominal duration: 90581.760 sec 01 01:09:41.760 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 766 42.238 ps 0.90 1.0143 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 830 Number of potentially good observations with QC 5-9: 830 Number of used observations: 766 ( 92.29%) Number of suppressed observations: 64 ( 7.71%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 140 149 56.547 0.93 19810616_a xus811 1981.06.17-06:46:04.8 BAS_STAT HAYSTACK OVRO_130 151 154 33.862 0.87 19810616_a xus811 1981.06.17-06:46:04.8 BAS_STAT HAYSTACK WESTFORD 84 124 25.960 0.81 19810616_a xus811 1981.06.17-06:46:04.8 BAS_STAT HRAS_085 OVRO_130 156 161 36.331 0.88 19810616_a xus811 1981.06.17-06:46:04.8 BAS_STAT HRAS_085 WESTFORD 108 111 101.753 0.97 19810616_a xus811 1981.06.17-06:46:04.8 BAS_STAT OVRO_130 WESTFORD 127 131 60.599 0.94 19810616_a xus811 1981.06.17-06:46:04.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0235+164 J0238+1636 48 56 82 101.418 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: 0552+398 J0555+3948 70 82 97 46.479 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: 1928+738 J1927+7358 51 57 96 83.072 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: 2134+00 J2136+0041 45 47 47 40.343 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: 3C273B J1229+0203 74 79 83 40.154 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: 3C345 J1642+3948 86 94 99 24.168 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: 3C454.3 J2253+1608 49 55 66 25.043 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: 4C39.25 J0927+3902 66 69 94 50.139 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: NRAO150 J0359+5057 78 81 87 26.128 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: OJ287 J0854+2006 71 74 92 55.641 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: OQ208 J1407+2827 58 62 78 75.260 19810616_a xus811 1981.06.17-06:46:04.800 SRC_STAT: VR422201 J2202+4216 70 74 81 44.148 19810616_a xus811 1981.06.17-06:46:04.800 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.06.17-06:45:32 1. HAYSTACK 7205 NOAM X Comp 1492404671.61 mm -24.392 mm 3.350 mm 3.374 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266388.32 mm 146.684 mm 12.359 mm 12.447 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881737.39 mm -56.608 mm 9.071 mm 9.136 mm HAYSTACK 7205 U Comp -146.38 mm -146.381 mm 14.330 mm 12.944 mm HAYSTACK 7205 E Comp 23.44 mm 23.442 mm 5.849 mm 5.283 mm HAYSTACK 7205 N Comp 57.78 mm 57.782 mm 2.586 mm 2.336 mm 4. HAYSTACK AT 0 1981.06.16-18:10:41.736 46.310 ps 38.052 ps 38.323 ps HAYSTACK Atm 1981.06.17-07:11:13.920 Avg: -34.861 ps Rms: 95.355 ps Tot_Rms: 101.527 ps || Nat: 172 Dura: 89703.0 sec Tzd_avg: 8346.7 Tzd_rms: 38.4 Wzd_avg: 846.3 Wzd_rms: 37.3 ps Prs_avg: 99770. Pa Tem_avg: 27.6 C Stm_avg: 2.2 C Stm_rms: 2.5 K Spr_avg: 607. Spr_rms: 45. Pa 83. HAYSTACK NG 1981.06.16-18:09:41.736 0.025 mm 0.422 mm 0.425 mm 84. HAYSTACK EG 1981.06.16-18:09:41.736 -0.001 mm 0.421 mm 0.424 mm 85. HAYSTACK NG 1981.06.17-02:09:41.736 0.007 mm 0.376 mm 0.379 mm 86. HAYSTACK EG 1981.06.17-02:09:41.736 0.027 mm 0.375 mm 0.378 mm 87. HAYSTACK NG 1981.06.17-10:09:41.736 0.012 mm 0.376 mm 0.379 mm 88. HAYSTACK EG 1981.06.17-10:09:41.736 0.033 mm 0.376 mm 0.378 mm 89. HAYSTACK NG 1981.06.17-18:09:41.736 0.017 mm 0.421 mm 0.424 mm 90. HAYSTACK EG 1981.06.17-18:09:41.736 -0.065 mm 0.419 mm 0.422 mm 91. HRAS_085 7216 NOAM X Comp -1324211021.04 mm -4.036 mm 5.959 mm 6.002 mm 92. HRAS_085 7216 NOAM Y Comp -5332023139.86 mm -57.863 mm 23.995 mm 24.165 mm 93. HRAS_085 7216 NOAM Z Comp 3232118379.40 mm 72.402 mm 14.962 mm 15.069 mm HRAS_085 7216 U Comp 86.05 mm 86.051 mm 28.574 mm 25.810 mm HRAS_085 7216 E Comp 10.03 mm 10.029 mm 3.150 mm 2.845 mm HRAS_085 7216 N Comp 33.18 mm 33.183 mm 2.960 mm 2.674 mm 94. HRAS_085 CL 0 1981.06.16-18:10:41.736 -529.751 ns 0.228 ns 0.230 ns 95. HRAS_085 CL 1 1981.06.16-18:10:41.736 86.289 D-14 2.036 D-14 2.051 D-14 96. HRAS_085 CL 2 1981.06.16-18:10:41.736 3.388 D-14/day 1.665 D-14/day 1.677 D-14/day 123. HRAS_085 AT 0 1981.06.16-18:10:41.736 19.648 ps 85.228 ps 85.833 ps HRAS_085 Atm 1981.06.17-07:11:13.920 Avg: 3.882 ps Rms: 54.429 ps Tot_Rms: 54.568 ps || Nat: 178 Dura: 90583.0 sec Tzd_avg: 6659.5 Tzd_rms: 85.1 Wzd_avg: 243.7 Wzd_rms: 94.6 ps Prs_avg: 84987. Pa Tem_avg: 14.1 C Stm_avg: -2.8 C Stm_rms: 1.9 K Spr_avg: 512. Spr_rms: 56. Pa 202. HRAS_085 NG 1981.06.16-18:09:41.736 -0.032 mm 0.422 mm 0.424 mm 203. HRAS_085 EG 1981.06.16-18:09:41.736 0.048 mm 0.420 mm 0.423 mm 204. HRAS_085 NG 1981.06.17-02:09:41.736 -0.000 mm 0.376 mm 0.379 mm 205. HRAS_085 EG 1981.06.17-02:09:41.736 0.013 mm 0.375 mm 0.378 mm 206. HRAS_085 NG 1981.06.17-10:09:41.736 0.025 mm 0.376 mm 0.379 mm 207. HRAS_085 EG 1981.06.17-10:09:41.736 -0.058 mm 0.375 mm 0.378 mm 208. HRAS_085 NG 1981.06.17-18:09:41.736 -0.003 mm 0.421 mm 0.424 mm 209. HRAS_085 EG 1981.06.17-18:09:41.736 -0.013 mm 0.420 mm 0.423 mm 210. OVRO_130 7207 NOAM X Comp -2409600850.17 mm 36.825 mm 4.247 mm 4.277 mm 211. OVRO_130 7207 NOAM Y Comp -4478349690.10 mm -226.096 mm 11.232 mm 11.312 mm 212. OVRO_130 7207 NOAM Z Comp 3838603211.68 mm 23.676 mm 9.026 mm 9.090 mm OVRO_130 7207 U Comp 158.96 mm 158.959 mm 14.134 mm 12.767 mm OVRO_130 7207 E Comp 139.56 mm 139.559 mm 4.249 mm 3.838 mm OVRO_130 7207 N Comp -91.06 mm -91.058 mm 2.802 mm 2.531 mm 213. OVRO_130 CL 0 1981.06.16-18:10:41.736 -7506.993 ns 0.137 ns 0.138 ns 214. OVRO_130 CL 1 1981.06.16-18:10:41.736 8.138 D-14 2.026 D-14 2.040 D-14 215. OVRO_130 CL 2 1981.06.16-18:10:41.736 2.099 D-14/day 1.649 D-14/day 1.660 D-14/day 242. OVRO_130 AT 0 1981.06.16-18:10:41.736 -70.449 ps 41.138 ps 41.430 ps OVRO_130 Atm 1981.06.17-07:11:13.920 Avg: -10.539 ps Rms: 43.150 ps Tot_Rms: 44.419 ps || Nat: 171 Dura: 90583.0 sec Tzd_avg: 6893.5 Tzd_rms: 19.6 Wzd_avg: 215.9 Wzd_rms: 27.7 ps Prs_avg: 87738. Pa Tem_avg: 26.9 C Stm_avg: 1.9 C Stm_rms: 3.4 K Spr_avg: -249. Spr_rms: 143. Pa 321. OVRO_130 NG 1981.06.16-18:09:41.736 0.021 mm 0.422 mm 0.425 mm 322. OVRO_130 EG 1981.06.16-18:09:41.736 0.034 mm 0.420 mm 0.423 mm 323. OVRO_130 NG 1981.06.17-02:09:41.736 -0.025 mm 0.376 mm 0.379 mm 324. OVRO_130 EG 1981.06.17-02:09:41.736 -0.022 mm 0.375 mm 0.378 mm 325. OVRO_130 NG 1981.06.17-10:09:41.736 -0.046 mm 0.376 mm 0.379 mm 326. OVRO_130 EG 1981.06.17-10:09:41.736 0.011 mm 0.375 mm 0.378 mm 327. OVRO_130 NG 1981.06.17-18:09:41.736 0.004 mm 0.421 mm 0.424 mm 328. OVRO_130 EG 1981.06.17-18:09:41.736 0.059 mm 0.421 mm 0.424 mm 329. WESTFORD 7209 NOAM X Comp 1492206534.60 mm -8.397 mm 4.034 mm 4.063 mm 330. WESTFORD 7209 NOAM Y Comp -4458130384.73 mm 137.275 mm 14.344 mm 14.446 mm 331. WESTFORD 7209 NOAM Z Comp 4296015507.53 mm -39.470 mm 10.869 mm 10.946 mm WESTFORD 7209 U Comp -124.49 mm -124.487 mm 17.031 mm 15.383 mm WESTFORD 7209 E Comp 35.61 mm 35.610 mm 6.158 mm 5.562 mm WESTFORD 7209 N Comp 60.89 mm 60.891 mm 3.490 mm 3.152 mm 332. WESTFORD CL 0 1981.06.16-18:10:41.736 -8404.978 ns 0.322 ns 0.324 ns 333. WESTFORD CL 1 1981.06.16-18:10:41.736 3.814 D-14 2.358 D-14 2.375 D-14 334. WESTFORD CL 2 1981.06.16-18:10:41.736 -3.226 D-14/day 1.857 D-14/day 1.870 D-14/day 361. WESTFORD AT 0 1981.06.16-18:10:41.736 -72.077 ps 63.367 ps 63.817 ps WESTFORD Atm 1981.06.17-07:11:13.920 Avg: -39.138 ps Rms: 68.257 ps Tot_Rms: 78.682 ps || Nat: 173 Dura: 90583.0 sec Tzd_avg: 8385.8 Tzd_rms: 37.9 Wzd_avg: 859.9 Wzd_rms: 37.1 ps Prs_avg: 99776. Pa Tem_avg: 27.8 C Stm_avg: 2.0 C Stm_rms: 2.5 K Spr_avg: 268. Spr_rms: 45. Pa 440. WESTFORD NG 1981.06.16-18:09:41.736 0.010 mm 0.422 mm 0.425 mm 441. WESTFORD EG 1981.06.16-18:09:41.736 -0.028 mm 0.422 mm 0.425 mm 442. WESTFORD NG 1981.06.17-02:09:41.736 0.009 mm 0.376 mm 0.379 mm 443. WESTFORD EG 1981.06.17-02:09:41.736 0.026 mm 0.376 mm 0.378 mm 444. WESTFORD NG 1981.06.17-10:09:41.736 0.011 mm 0.376 mm 0.379 mm 445. WESTFORD EG 1981.06.17-10:09:41.736 0.066 mm 0.376 mm 0.379 mm 446. WESTFORD NG 1981.06.17-18:09:41.736 0.064 mm 0.421 mm 0.424 mm 447. WESTFORD EG 1981.06.17-18:09:41.736 0.008 mm 0.420 mm 0.423 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 41.76 ps/h NRMS 0.84 share 0.72 count 79 2. HRAS_085 Input 50.00 ps/h RMS 17.45 ps/h NRMS 0.35 share 0.84 count 79 3. OVRO_130 Input 50.00 ps/h RMS 19.00 ps/h NRMS 0.38 share 0.77 count 79 4. WESTFORD Input 50.00 ps/h RMS 29.11 ps/h NRMS 0.58 share 0.81 count 79 Overall RMS 28.53 ps/h NRMS 0.57 share 0.78 count 316 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.53 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.53 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.53 count 8 Overall RMS 0.13 mm/d NRMS 0.06 share 0.53 count 32 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 2.37 D-14 NRMS 0.47 share 0.20 count 27 3. OVRO_130 Input 5.00 D-14 RMS 1.85 D-14 NRMS 0.37 share 0.19 count 27 4. WESTFORD Input 5.00 D-14 RMS 2.61 D-14 NRMS 0.52 share 0.26 count 27 Overall RMS 2.30 D-14 NRMS 0.46 share 0.22 count 81 448. UT1-TAI 1, 1981.06.17-06:46:00.000 -1.5740 ms/d 7.26 micros/d 97.23 micros/d 97.93 micros/d EOP epoch (TDT) MJD: 44772.282317 NUT epoch (TDT) MJD: 44772.271579 449. Nutation DPSI wrt apriori model 1981.06.17-06:45:32.616 -0.817 mas 875.5 microasec 881.7 microasec Nutation Dx wrt apriori model 1981.06.17-06:45:32.616 -0.320 mas 346.7 microasec 349.2 microasec Nutation DPSI wrt Wahr 1980 model 1981.06.17-06:45:32.616 4.111 mas 875.5 microasec 881.7 microasec 450. Nutation DEPS wrt apriori model 1981.06.17-06:45:32.616 -1.188 mas 379.1 microasec 381.7 microasec Nutation Dy wrt apriori model 1981.06.17-06:45:32.616 -1.189 mas 380.5 microasec 383.2 microasec Nutation DEPS wrt Wahr 1980 model 1981.06.17-06:45:32.616 -3.218 mas 379.1 microasec 381.7 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0443 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.06.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640978.01 9.88 3135640978.01 9.88 -27.66 3.86 -241.05 40.34 HAYSTACK 7205 to OVRO_130 7207 3928881622.65 5.53 3928881622.65 5.53 -198.55 3.86 -324.17 21.81 HAYSTACK 7205 to WESTFORD 7209 1239395.92 4.51 1239395.92 4.51 -10.11 3.56 -21.73 18.40 HRAS_085 7216 to OVRO_130 7207 1508195375.88 5.87 1508195375.88 5.87 -57.34 3.51 -90.87 35.69 HRAS_085 7216 to WESTFORD 7209 3134927988.72 10.35 3134927988.72 10.35 -27.78 4.99 222.90 42.38 OVRO_130 7207 to WESTFORD 7209 3928579348.39 6.68 3928579348.39 6.68 -203.26 5.10 306.95 25.25 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:42 Correlator type: Unknown Experiment code: ast811 Mark-3 db_name: $81JUN17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810617_a Ver 2 ast811 Matrix Condition Number = 1.606760125777584E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 24.9 1.5 1004.5 3.1 32.4 16.2 HRAS_085 MET 20.6 4.3 845.3 0.6 27.3 0.6 OVRO_130 MET 27.2 6.1 875.4 1.9 1.6 1.9 WESTFORD MET 25.0 1.5 1004.5 3.1 32.4 1.4 Run 26091-1734 1485 Observation Pairs Available Session started on: 2444773.345300 1981.06.17 20:17:13.920 UTC Nominal duration: 86339.520 sec 00 23:58:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 999 53.268 ps 0.99 1.1576 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__META Used quality_code_limit: 5 Number of potentially recoverable observations: 1053 Number of potentially good observations with QC 5-9: 1188 Number of used observations: 999 ( 94.87%) Number of suppressed observations: 54 ( 5.13%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 151 151 69.647 1.01 19810617_a ast811 1981.06.18-08:16:43.6 BAS_STAT HAYSTACK OVRO_130 206 214 41.363 1.02 19810617_a ast811 1981.06.18-08:16:43.6 BAS_STAT HAYSTACK WESTFORD 148 192 57.605 0.94 19810617_a ast811 1981.06.18-08:16:43.6 BAS_STAT HRAS_085 OVRO_130 199 200 41.424 0.94 19810617_a ast811 1981.06.18-08:16:43.6 BAS_STAT HRAS_085 WESTFORD 111 111 100.839 1.01 19810617_a ast811 1981.06.18-08:16:43.6 BAS_STAT OVRO_130 WESTFORD 184 185 73.035 1.04 19810617_a ast811 1981.06.18-08:16:43.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0048-097 J0050-0929 18 19 34 79.845 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0106+013 J0108+0135 28 29 31 26.322 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0229+131 J0231+1322 29 30 45 45.432 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0235+164 J0238+1636 23 23 38 115.259 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0420-014 J0423-0120 31 31 35 32.931 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0458-020 J0501-0159 30 31 34 57.112 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0528+134 J0530+1331 27 32 38 48.052 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0529+075 J0532+0732 4 4 40 54.730 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0552+398 J0555+3948 25 25 28 40.354 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0605-085 J0607-0834 18 19 27 77.999 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0723-008 J0725-0054 21 23 33 111.903 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0735+178 J0738+1742 14 16 30 95.449 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0736+017 J0739+0137 17 19 39 81.301 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0742+103 J0745+1011 31 32 40 67.936 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 0748+126 J0750+1231 14 15 42 115.686 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1055+018 J1058+0133 15 18 23 90.803 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1308+326 J1310+3220 21 24 42 97.709 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1502+106 J1504+1029 31 31 45 104.326 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1510-089 J1512-0905 32 34 35 92.960 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1548+056 J1550+0527 35 36 48 90.557 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1555+001 J1557-0001 13 15 46 146.826 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1611+343 J1613+3412 34 34 42 97.127 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1633+38 J1635+3808 30 31 33 70.470 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1656+053 J1658+0515 20 22 41 96.998 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1741-038 J1743-0350 37 40 42 47.711 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 1749+096 J1751+0939 31 32 48 50.251 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 2005+403 J2007+4029 10 10 36 38.028 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 2121+053 J2123+0535 36 38 42 55.991 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 2134+00 J2136+0041 37 39 41 43.752 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 2145+067 J2148+0657 39 41 42 50.822 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 2216-038 J2218-0335 31 32 36 35.430 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 2243-123 J2246-1206 25 26 36 53.421 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 3C273B J1229+0203 35 35 35 36.513 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 3C345 J1642+3948 28 28 29 23.539 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 3C446 J2225-0457 17 18 30 53.497 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: 3C454.3 J2253+1608 22 22 30 26.090 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: CTA26 J0339-0146 29 32 36 62.086 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: NRAO140 J0336+3218 25 27 47 101.822 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: OJ287 J0854+2006 28 31 33 62.943 19810617_a ast811 1981.06.18-08:16:43.680 SRC_STAT: OK290 J0956+2515 8 9 33 157.567 19810617_a ast811 1981.06.18-08:16:43.680 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.06.18-08:16:11 1. HAYSTACK 7205 NOAM X Comp 1492404680.50 mm -15.503 mm 4.137 mm 4.451 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266362.42 mm 172.577 mm 16.350 mm 17.591 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881732.87 mm -61.126 mm 10.584 mm 11.388 mm HAYSTACK 7205 U Comp -165.43 mm -165.430 mm 17.931 mm 17.839 mm HAYSTACK 7205 E Comp 40.09 mm 40.092 mm 7.827 mm 7.786 mm HAYSTACK 7205 N Comp 69.17 mm 69.174 mm 3.700 mm 3.681 mm 4. HAYSTACK AT 0 1981.06.17-20:16:41.736 -160.312 ps 33.303 ps 35.831 ps HAYSTACK Atm 1981.06.18-08:17:13.920 Avg: -22.144 ps Rms: 46.889 ps Tot_Rms: 51.855 ps || Nat: 264 Dura: 86040.0 sec Tzd_avg: 7964.8 Tzd_rms: 70.2 Wzd_avg: 380.8 Wzd_rms: 83.0 ps Prs_avg: 100450. Pa Tem_avg: 25.0 C Stm_avg: 3.7 C Stm_rms: 2.8 K Spr_avg: 399. Spr_rms: 230. Pa 77. HAYSTACK NG 1981.06.17-20:15:41.736 0.011 mm 0.422 mm 0.454 mm 78. HAYSTACK EG 1981.06.17-20:15:41.736 -0.031 mm 0.421 mm 0.453 mm 79. HAYSTACK NG 1981.06.18-04:15:41.736 0.001 mm 0.377 mm 0.405 mm 80. HAYSTACK EG 1981.06.18-04:15:41.736 0.002 mm 0.376 mm 0.404 mm 81. HAYSTACK NG 1981.06.18-12:15:41.736 -0.020 mm 0.376 mm 0.405 mm 82. HAYSTACK EG 1981.06.18-12:15:41.736 0.005 mm 0.376 mm 0.405 mm 83. HAYSTACK NG 1981.06.18-20:15:41.736 -0.018 mm 0.422 mm 0.454 mm 84. HAYSTACK EG 1981.06.18-20:15:41.736 -0.006 mm 0.421 mm 0.453 mm 85. HRAS_085 7216 NOAM X Comp -1324211034.41 mm -17.409 mm 7.643 mm 8.223 mm 86. HRAS_085 7216 NOAM Y Comp -5332023198.54 mm -116.540 mm 30.834 mm 33.174 mm 87. HRAS_085 7216 NOAM Z Comp 3232118403.59 mm 96.588 mm 18.115 mm 19.490 mm HRAS_085 7216 U Comp 150.15 mm 150.148 mm 36.230 mm 36.044 mm HRAS_085 7216 E Comp 11.19 mm 11.194 mm 3.615 mm 3.596 mm HRAS_085 7216 N Comp 23.33 mm 23.331 mm 3.409 mm 3.391 mm 88. HRAS_085 CL 0 1981.06.17-20:16:41.736 -325.019 ns 0.272 ns 0.293 ns 89. HRAS_085 CL 1 1981.06.17-20:16:41.736 86.830 D-14 2.086 D-14 2.245 D-14 90. HRAS_085 CL 2 1981.06.17-20:16:41.736 0.022 D-14/day 1.813 D-14/day 1.951 D-14/day 115. HRAS_085 AT 0 1981.06.17-20:16:41.736 -191.422 ps 95.034 ps 102.248 ps HRAS_085 Atm 1981.06.18-08:17:13.920 Avg: -142.694 ps Rms: 22.501 ps Tot_Rms: 144.457 ps || Nat: 262 Dura: 86340.0 sec Tzd_avg: 6713.8 Tzd_rms: 39.6 Wzd_avg: 336.3 Wzd_rms: 39.4 ps Prs_avg: 84525. Pa Tem_avg: 20.7 C Stm_avg: -1.1 C Stm_rms: 1.3 K Spr_avg: 509. Spr_rms: 71. Pa 188. HRAS_085 NG 1981.06.17-20:15:41.736 0.041 mm 0.422 mm 0.454 mm 189. HRAS_085 EG 1981.06.17-20:15:41.736 -0.003 mm 0.421 mm 0.453 mm 190. HRAS_085 NG 1981.06.18-04:15:41.736 0.010 mm 0.376 mm 0.405 mm 191. HRAS_085 EG 1981.06.18-04:15:41.736 -0.072 mm 0.376 mm 0.405 mm 192. HRAS_085 NG 1981.06.18-12:15:41.736 -0.023 mm 0.377 mm 0.405 mm 193. HRAS_085 EG 1981.06.18-12:15:41.736 0.035 mm 0.376 mm 0.405 mm 194. HRAS_085 NG 1981.06.18-20:15:41.736 -0.043 mm 0.422 mm 0.454 mm 195. HRAS_085 EG 1981.06.18-20:15:41.736 0.079 mm 0.421 mm 0.453 mm 196. OVRO_130 7207 NOAM X Comp -2409600855.92 mm 31.082 mm 4.501 mm 4.842 mm 197. OVRO_130 7207 NOAM Y Comp -4478349707.85 mm -243.853 mm 13.135 mm 14.132 mm 198. OVRO_130 7207 NOAM Z Comp 3838603213.20 mm 25.202 mm 9.092 mm 9.783 mm OVRO_130 7207 U Comp 174.50 mm 174.499 mm 15.600 mm 15.520 mm OVRO_130 7207 E Comp 142.91 mm 142.915 mm 4.839 mm 4.814 mm OVRO_130 7207 N Comp -100.95 mm -100.950 mm 2.945 mm 2.930 mm 199. OVRO_130 CL 0 1981.06.17-20:16:41.736 -7558.746 ns 0.144 ns 0.155 ns 200. OVRO_130 CL 1 1981.06.17-20:16:41.736 13.884 D-14 2.079 D-14 2.236 D-14 201. OVRO_130 CL 2 1981.06.17-20:16:41.736 -3.325 D-14/day 1.804 D-14/day 1.941 D-14/day 226. OVRO_130 AT 0 1981.06.17-20:16:41.736 -39.704 ps 43.600 ps 46.910 ps OVRO_130 Atm 1981.06.18-08:17:13.920 Avg: -18.932 ps Rms: 46.709 ps Tot_Rms: 50.400 ps || Nat: 244 Dura: 86340.0 sec Tzd_avg: 6897.4 Tzd_rms: 27.5 Wzd_avg: 238.0 Wzd_rms: 31.5 ps Prs_avg: 87536. Pa Tem_avg: 27.3 C Stm_avg: 2.2 C Stm_rms: 3.2 K Spr_avg: -218. Spr_rms: 180. Pa 299. OVRO_130 NG 1981.06.17-20:15:41.736 -0.032 mm 0.422 mm 0.454 mm 300. OVRO_130 EG 1981.06.17-20:15:41.736 0.042 mm 0.422 mm 0.454 mm 301. OVRO_130 NG 1981.06.18-04:15:41.736 -0.037 mm 0.377 mm 0.405 mm 302. OVRO_130 EG 1981.06.18-04:15:41.736 0.048 mm 0.376 mm 0.405 mm 303. OVRO_130 NG 1981.06.18-12:15:41.736 0.019 mm 0.377 mm 0.405 mm 304. OVRO_130 EG 1981.06.18-12:15:41.736 0.006 mm 0.376 mm 0.405 mm 305. OVRO_130 NG 1981.06.18-20:15:41.736 0.035 mm 0.422 mm 0.454 mm 306. OVRO_130 EG 1981.06.18-20:15:41.736 -0.016 mm 0.422 mm 0.454 mm 307. WESTFORD 7209 NOAM X Comp 1492206544.83 mm 1.830 mm 4.753 mm 5.114 mm 308. WESTFORD 7209 NOAM Y Comp -4458130334.18 mm 187.816 mm 18.213 mm 19.595 mm 309. WESTFORD 7209 NOAM Z Comp 4296015486.34 mm -60.665 mm 12.069 mm 12.986 mm WESTFORD 7209 U Comp -171.72 mm -171.719 mm 20.291 mm 20.187 mm WESTFORD 7209 E Comp 61.35 mm 61.350 mm 8.201 mm 8.159 mm WESTFORD 7209 N Comp 75.54 mm 75.545 mm 4.580 mm 4.557 mm 310. WESTFORD CL 0 1981.06.17-20:16:41.736 -8364.500 ns 0.110 ns 0.118 ns 311. WESTFORD CL 1 1981.06.17-20:16:41.736 4.059 D-14 2.079 D-14 2.237 D-14 312. WESTFORD CL 2 1981.06.17-20:16:41.736 -4.189 D-14/day 1.808 D-14/day 1.945 D-14/day 337. WESTFORD AT 0 1981.06.17-20:16:41.736 -211.927 ps 38.790 ps 41.734 ps WESTFORD Atm 1981.06.18-08:17:13.920 Avg: -24.213 ps Rms: 59.171 ps Tot_Rms: 63.933 ps || Nat: 266 Dura: 86340.0 sec Tzd_avg: 7997.2 Tzd_rms: 69.3 Wzd_avg: 387.3 Wzd_rms: 82.2 ps Prs_avg: 100450. Pa Tem_avg: 25.0 C Stm_avg: 3.4 C Stm_rms: 2.8 K Spr_avg: 53. Spr_rms: 234. Pa 410. WESTFORD NG 1981.06.17-20:15:41.736 -0.028 mm 0.422 mm 0.454 mm 411. WESTFORD EG 1981.06.17-20:15:41.736 0.030 mm 0.422 mm 0.454 mm 412. WESTFORD NG 1981.06.18-04:15:41.736 -0.018 mm 0.377 mm 0.405 mm 413. WESTFORD EG 1981.06.18-04:15:41.736 0.086 mm 0.376 mm 0.405 mm 414. WESTFORD NG 1981.06.18-12:15:41.736 0.001 mm 0.377 mm 0.405 mm 415. WESTFORD EG 1981.06.18-12:15:41.736 -0.022 mm 0.377 mm 0.405 mm 416. WESTFORD NG 1981.06.18-20:15:41.736 0.033 mm 0.422 mm 0.454 mm 417. WESTFORD EG 1981.06.18-20:15:41.736 -0.013 mm 0.422 mm 0.454 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 24.35 ps/h NRMS 0.49 share 0.70 count 73 2. HRAS_085 Input 50.00 ps/h RMS 16.60 ps/h NRMS 0.33 share 0.86 count 73 3. OVRO_130 Input 50.00 ps/h RMS 26.26 ps/h NRMS 0.53 share 0.74 count 73 4. WESTFORD Input 50.00 ps/h RMS 28.44 ps/h NRMS 0.57 share 0.79 count 73 Overall RMS 24.32 ps/h NRMS 0.49 share 0.77 count 292 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.54 count 8 Overall RMS 0.13 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 2.14 D-14 NRMS 0.43 share 0.20 count 25 3. OVRO_130 Input 5.00 D-14 RMS 1.75 D-14 NRMS 0.35 share 0.21 count 25 4. WESTFORD Input 5.00 D-14 RMS 3.46 D-14 NRMS 0.69 share 0.20 count 25 Overall RMS 2.56 D-14 NRMS 0.51 share 0.20 count 75 418. UT1-TAI 1, 1981.06.18-08:16:00.000 -1.1963 ms/d 279.61 micros/d 134.67 micros/d 144.89 micros/d EOP epoch (TDT) MJD: 44773.344817 NUT epoch (TDT) MJD: 44773.383210 419. Nutation DPSI wrt apriori model 1981.06.18-08:16:11.496 -1.084 mas 863.5 microasec 929.0 microasec Nutation Dx wrt apriori model 1981.06.18-08:16:11.496 -0.435 mas 341.6 microasec 367.5 microasec Nutation DPSI wrt Wahr 1980 model 1981.06.18-08:16:11.496 3.819 mas 863.5 microasec 929.0 microasec 420. Nutation DEPS wrt apriori model 1981.06.18-08:16:11.496 0.888 mas 455.0 microasec 489.5 microasec Nutation Dy wrt apriori model 1981.06.18-08:16:11.496 0.886 mas 456.4 microasec 491.1 microasec Nutation DEPS wrt Wahr 1980 model 1981.06.18-08:16:11.496 -1.226 mas 455.0 microasec 489.5 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1821 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.06.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135641011.85 13.18 3135641011.85 13.18 -43.25 5.21 -325.22 51.54 HAYSTACK 7205 to OVRO_130 7207 3928881636.71 5.92 3928881636.71 5.92 -222.31 5.46 -361.51 25.65 HAYSTACK 7205 to WESTFORD 7209 1239390.18 6.38 1239390.18 6.38 -17.36 4.24 6.58 21.36 HRAS_085 7216 to OVRO_130 7207 1508195384.43 7.47 1508195384.43 7.47 -57.38 3.78 -44.26 43.33 HRAS_085 7216 to WESTFORD 7209 3134928024.96 13.62 3134928024.96 13.62 -44.23 6.16 336.75 53.20 OVRO_130 7207 to WESTFORD 7209 3928579361.96 7.08 3928579361.96 7.08 -231.34 6.85 373.76 29.04 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:45 Correlator type: Unknown Experiment code: pol014 Mark-3 db_name: $81JUN24XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810624_a Ver 2 pol014 Matrix Condition Number = 1.634271289740318E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 21.0 5.3 846.5 1.7 32.2 16.1 WESTFORD MET 21.3 3.1 1006.1 2.3 25.9 13.0 Run 26091-1734 178 Observation Pairs Available Session started on: 2444780.252200 1981.06.24 18:03:10.080 UTC Nominal duration: 84300.480 sec 00 23:25:00.480 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 54 59.107 ps 0.74 1.0142 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 54 Number of potentially good observations with QC 5-9: 54 Number of used observations: 54 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 54 54 59.107 0.74 19810624_a pol014 1981.06.25-05:45:40.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 4 4 9 24.257 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 0235+164 J0238+1636 0 0 10 0.000 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 0552+398 J0555+3948 9 9 14 91.933 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 1642+690 J1642+6856 0 0 18 0.000 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 2134+00 J2136+0041 4 4 13 109.687 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 3C273B J1229+0203 6 6 12 35.279 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 3C345 J1642+3948 9 9 19 28.444 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 3C454.3 J2253+1608 2 2 12 13.068 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 4C39.25 J0927+3902 5 5 12 93.013 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: 4C67.05 J0228+6721 0 0 11 0.000 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: NRAO150 J0359+5057 3 3 11 10.122 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: OJ287 J0854+2006 6 6 9 85.964 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: OQ208 J1407+2827 2 2 17 179.755 19810624_a pol014 1981.06.25-05:45:40.320 SRC_STAT: VR422201 J2202+4216 4 4 11 70.016 19810624_a pol014 1981.06.25-05:45:40.320 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.06.25-05:45:08 1. HRAS_085 7216 NOAM X Comp -1324211064.23 mm -47.234 mm 12.152 mm 12.238 mm 2. HRAS_085 7216 NOAM Y Comp -5332023169.51 mm -87.510 mm 67.514 mm 67.992 mm 3. HRAS_085 7216 NOAM Z Comp 3232118371.98 mm 64.976 mm 49.355 mm 49.705 mm HRAS_085 7216 U Comp 115.98 mm 115.982 mm 80.642 mm 59.665 mm HRAS_085 7216 E Comp -24.75 mm -24.749 mm 21.779 mm 16.114 mm HRAS_085 7216 N Comp 6.83 mm 6.825 mm 12.819 mm 9.485 mm 4. HRAS_085 CL 0 1981.06.24-18:02:37.896 9330.167 ns 0.754 ns 0.760 ns 5. HRAS_085 CL 1 1981.06.24-18:02:37.896 89.322 D-14 2.726 D-14 2.746 D-14 6. HRAS_085 CL 2 1981.06.24-18:02:37.896 6.645 D-14/day 2.414 D-14/day 2.431 D-14/day 31. HRAS_085 AT 0 1981.06.24-18:02:37.896 -64.903 ps 127.050 ps 127.949 ps HRAS_085 Atm 1981.06.25-06:03:10.080 Avg: -74.524 ps Rms: 10.163 ps Tot_Rms: 75.213 ps || Nat: 178 Dura: 84300.0 sec Tzd_avg: 6729.6 Tzd_rms: 63.5 Wzd_avg: 341.6 Wzd_rms: 60.4 ps Prs_avg: 84659. Pa Tem_avg: 21.1 C Stm_avg: -0.3 C Stm_rms: 0.9 K Spr_avg: 505. Spr_rms: 88. Pa 104. HRAS_085 NG 1981.06.24-18:01:37.896 0.007 mm 0.422 mm 0.425 mm 105. HRAS_085 EG 1981.06.24-18:01:37.896 0.013 mm 0.422 mm 0.425 mm 106. HRAS_085 NG 1981.06.25-02:01:37.896 0.004 mm 0.377 mm 0.380 mm 107. HRAS_085 EG 1981.06.25-02:01:37.896 0.008 mm 0.377 mm 0.380 mm 108. HRAS_085 NG 1981.06.25-10:01:37.896 -0.004 mm 0.377 mm 0.380 mm 109. HRAS_085 EG 1981.06.25-10:01:37.896 -0.000 mm 0.377 mm 0.380 mm 110. HRAS_085 NG 1981.06.25-18:01:37.896 -0.005 mm 0.422 mm 0.425 mm 111. HRAS_085 EG 1981.06.25-18:01:37.896 -0.004 mm 0.422 mm 0.425 mm 112. WESTFORD 7209 NOAM X Comp 1492206590.23 mm 47.234 mm 12.152 mm 12.238 mm 113. WESTFORD 7209 NOAM Y Comp -4458130434.49 mm 87.510 mm 67.514 mm 67.992 mm 114. WESTFORD 7209 NOAM Z Comp 4296015482.02 mm -64.976 mm 49.355 mm 49.705 mm WESTFORD 7209 U Comp -94.03 mm -94.031 mm 80.685 mm 59.697 mm WESTFORD 7209 E Comp 72.57 mm 72.567 mm 22.392 mm 16.567 mm WESTFORD 7209 N Comp -1.79 mm -1.785 mm 11.416 mm 8.446 mm 115. WESTFORD AT 0 1981.06.24-18:02:37.896 -96.067 ps 156.754 ps 157.863 ps WESTFORD Atm 1981.06.25-06:03:10.080 Avg: -70.717 ps Rms: 21.726 ps Tot_Rms: 73.979 ps || Nat: 178 Dura: 84300.0 sec Tzd_avg: 8293.7 Tzd_rms: 93.3 Wzd_avg: 698.8 Wzd_rms: 108.1 ps Prs_avg: 100602. Pa Tem_avg: 21.3 C Stm_avg: 0.5 C Stm_rms: 1.1 K Spr_avg: 264. Spr_rms: 48. Pa 188. WESTFORD NG 1981.06.24-18:01:37.896 0.002 mm 0.422 mm 0.425 mm 189. WESTFORD EG 1981.06.24-18:01:37.896 -0.009 mm 0.422 mm 0.425 mm 190. WESTFORD NG 1981.06.25-02:01:37.896 0.001 mm 0.377 mm 0.380 mm 191. WESTFORD EG 1981.06.25-02:01:37.896 0.001 mm 0.377 mm 0.380 mm 192. WESTFORD NG 1981.06.25-10:01:37.896 0.005 mm 0.377 mm 0.380 mm 193. WESTFORD EG 1981.06.25-10:01:37.896 0.009 mm 0.377 mm 0.380 mm 194. WESTFORD NG 1981.06.25-18:01:37.896 0.002 mm 0.422 mm 0.425 mm 195. WESTFORD EG 1981.06.25-18:01:37.896 0.010 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 4.65 ps/h NRMS 0.09 share 0.96 count 73 2. WESTFORD Input 50.00 ps/h RMS 5.35 ps/h NRMS 0.11 share 0.96 count 73 Overall RMS 5.01 ps/h NRMS 0.10 share 0.96 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.91 D-14 NRMS 0.58 share 0.55 count 25 Overall RMS 2.91 D-14 NRMS 0.58 share 0.55 count 25 196. UT1-TAI 1, 1981.06.25-05:45:00.000 -1.8003 ms/d -19.44 micros/d 698.52 micros/d 703.46 micros/d EOP epoch (TDT) MJD: 44780.239956 NUT epoch (TDT) MJD: 44780.177233 197. Nutation DPSI wrt apriori model 1981.06.25-05:45:08.136 3.248 mas 5216.9 microasec 5253.8 microasec Nutation Dx wrt apriori model 1981.06.25-05:45:08.136 1.299 mas 2067.2 microasec 2081.8 microasec Nutation DPSI wrt Wahr 1980 model 1981.06.25-05:45:08.136 7.769 mas 5216.9 microasec 5253.8 microasec 198. Nutation DEPS wrt apriori model 1981.06.25-05:45:08.136 -1.642 mas 1968.8 microasec 1982.7 microasec Nutation Dy wrt apriori model 1981.06.25-05:45:08.136 -1.636 mas 1977.4 microasec 1991.4 microasec Nutation DEPS wrt Wahr 1980 model 1981.06.25-05:45:08.136 -3.319 mas 1968.8 microasec 1982.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5772 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.06.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928065.76 24.31 3134928065.76 24.31 39.47 17.65 216.49 166.33 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:48 Correlator type: Unknown Experiment code: pol015 Mark-3 db_name: $81JUL01X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810701_a Ver 2 pol015 Matrix Condition Number = 3.951212882003319E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.2 3.3 844.5 1.1 -106.1 184.2 WESTFORD MET 18.8 2.2 1021.4 0.8 62.2 4.2 Run 26091-1734 163 Observation Pairs Available Session started on: 2444787.398800 1981.07.01 21:34:16.320 UTC Nominal duration: 73500.480 sec 00 20:25:00.480 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 85 53.708 ps 0.82 1.0334 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 91 Number of potentially good observations with QC 5-9: 91 Number of used observations: 85 ( 93.41%) Number of suppressed observations: 6 ( 6.59%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 85 91 53.708 0.82 19810701_a pol015 1981.07.02-07:46:46.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 81.986 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 0235+164 J0238+1636 0 0 14 0.000 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 0552+398 J0555+3948 7 7 7 145.927 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 1642+690 J1642+6856 2 2 16 57.442 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 2134+00 J2136+0041 8 9 13 59.318 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 3C273B J1229+0203 6 6 7 20.276 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 3C345 J1642+3948 16 18 19 23.700 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 3C454.3 J2253+1608 7 7 14 26.223 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 4C39.25 J0927+3902 1 1 5 41.782 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: 4C67.05 J0228+6721 0 0 12 0.000 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: NRAO150 J0359+5057 11 11 11 53.274 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: OJ287 J0854+2006 3 4 6 58.056 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: OQ208 J1407+2827 7 7 12 165.224 19810701_a pol015 1981.07.02-07:46:46.560 SRC_STAT: VR422201 J2202+4216 2 4 12 140.710 19810701_a pol015 1981.07.02-07:46:46.560 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.07.02-07:46:14 1. HRAS_085 7216 NOAM X Comp -1324211067.07 mm -50.073 mm 8.469 mm 8.609 mm 2. HRAS_085 7216 NOAM Y Comp -5332023122.84 mm -40.842 mm 33.224 mm 33.774 mm 3. HRAS_085 7216 NOAM Z Comp 3232118360.10 mm 53.097 mm 24.510 mm 24.915 mm HRAS_085 7216 U Comp 71.55 mm 71.547 mm 39.676 mm 32.395 mm HRAS_085 7216 E Comp -38.75 mm -38.752 mm 12.168 mm 9.936 mm HRAS_085 7216 N Comp 19.34 mm 19.336 mm 7.350 mm 6.001 mm 4. HRAS_085 CL 0 1981.07.01-21:33:44.136 9638.293 ns 0.450 ns 0.458 ns 5. HRAS_085 CL 1 1981.07.01-21:33:44.136 93.315 D-14 2.524 D-14 2.566 D-14 6. HRAS_085 CL 2 1981.07.01-21:33:44.136 7.582 D-14/day 2.510 D-14/day 2.552 D-14/day 28. HRAS_085 AT 0 1981.07.01-21:33:44.136 30.050 ps 101.246 ps 102.922 ps HRAS_085 Atm 1981.07.02-08:04:16.320 Avg: 16.397 ps Rms: 13.921 ps Tot_Rms: 21.509 ps || Nat: 163 Dura: 73500.0 sec Tzd_avg: 6879.1 Tzd_rms: 10.7 Wzd_avg: 513.8 Wzd_rms: 9.6 ps Prs_avg: 84448. Pa Tem_avg: 18.2 C Stm_avg: -2.5 C Stm_rms: 2.2 K Spr_avg: 516. Spr_rms: 99. Pa 92. HRAS_085 NG 1981.07.01-21:32:44.136 0.005 mm 0.422 mm 0.429 mm 93. HRAS_085 EG 1981.07.01-21:32:44.136 0.000 mm 0.422 mm 0.429 mm 94. HRAS_085 NG 1981.07.02-05:32:44.136 -0.003 mm 0.377 mm 0.383 mm 95. HRAS_085 EG 1981.07.02-05:32:44.136 -0.001 mm 0.377 mm 0.383 mm 96. HRAS_085 NG 1981.07.02-13:32:44.136 -0.003 mm 0.377 mm 0.383 mm 97. HRAS_085 EG 1981.07.02-13:32:44.136 -0.004 mm 0.377 mm 0.383 mm 98. HRAS_085 NG 1981.07.02-21:32:44.136 -0.001 mm 0.422 mm 0.429 mm 99. HRAS_085 EG 1981.07.02-21:32:44.136 -0.005 mm 0.422 mm 0.429 mm 100. WESTFORD 7209 NOAM X Comp 1492206593.07 mm 50.073 mm 8.469 mm 8.609 mm 101. WESTFORD 7209 NOAM Y Comp -4458130481.16 mm 40.842 mm 33.224 mm 33.774 mm 102. WESTFORD 7209 NOAM Z Comp 4296015493.90 mm -53.097 mm 24.510 mm 24.915 mm WESTFORD 7209 U Comp -52.75 mm -52.755 mm 39.709 mm 32.422 mm WESTFORD 7209 E Comp 60.45 mm 60.447 mm 12.434 mm 10.152 mm WESTFORD 7209 N Comp -23.61 mm -23.615 mm 6.699 mm 5.470 mm 103. WESTFORD AT 0 1981.07.01-21:33:44.136 -51.852 ps 104.532 ps 106.262 ps WESTFORD Atm 1981.07.02-08:04:16.320 Avg: 1.926 ps Rms: 48.514 ps Tot_Rms: 48.552 ps || Nat: 163 Dura: 73500.0 sec Tzd_avg: 8397.6 Tzd_rms: 35.8 Wzd_avg: 693.0 Wzd_rms: 31.9 ps Prs_avg: 102139. Pa Tem_avg: 18.8 C Stm_avg: -1.5 C Stm_rms: 0.8 K Spr_avg: 355. Spr_rms: 35. Pa 167. WESTFORD NG 1981.07.01-21:32:44.136 0.001 mm 0.422 mm 0.429 mm 168. WESTFORD EG 1981.07.01-21:32:44.136 -0.008 mm 0.422 mm 0.429 mm 169. WESTFORD NG 1981.07.02-05:32:44.136 0.008 mm 0.377 mm 0.383 mm 170. WESTFORD EG 1981.07.02-05:32:44.136 -0.013 mm 0.377 mm 0.383 mm 171. WESTFORD NG 1981.07.02-13:32:44.136 0.005 mm 0.377 mm 0.383 mm 172. WESTFORD EG 1981.07.02-13:32:44.136 -0.003 mm 0.377 mm 0.383 mm 173. WESTFORD NG 1981.07.02-21:32:44.136 0.004 mm 0.422 mm 0.429 mm 174. WESTFORD EG 1981.07.02-21:32:44.136 0.005 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.77 ps/h NRMS 0.18 share 0.94 count 64 2. WESTFORD Input 50.00 ps/h RMS 11.00 ps/h NRMS 0.22 share 0.92 count 64 Overall RMS 9.95 ps/h NRMS 0.20 share 0.93 count 128 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.65 D-14 NRMS 0.53 share 0.39 count 22 Overall RMS 2.65 D-14 NRMS 0.53 share 0.39 count 22 175. UT1-TAI 1, 1981.07.02-07:46:00.000 -1.3958 ms/d -174.90 micros/d 555.26 micros/d 564.45 micros/d EOP epoch (TDT) MJD: 44787.323984 NUT epoch (TDT) MJD: 44787.344222 176. Nutation DPSI wrt apriori model 1981.07.02-07:46:14.376 0.595 mas 3537.2 microasec 3595.7 microasec Nutation Dx wrt apriori model 1981.07.02-07:46:14.376 0.243 mas 1399.4 microasec 1422.6 microasec Nutation DPSI wrt Wahr 1980 model 1981.07.02-07:46:14.376 2.953 mas 3537.2 microasec 3595.7 microasec 177. Nutation DEPS wrt apriori model 1981.07.02-07:46:14.376 -1.515 mas 1868.0 microasec 1898.9 microasec Nutation Dy wrt apriori model 1981.07.02-07:46:14.376 -1.514 mas 1873.8 microasec 1904.8 microasec Nutation DEPS wrt Wahr 1980 model 1981.07.02-07:46:14.376 -3.550 mas 1868.0 microasec 1898.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2753 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.07.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928052.90 16.48 3134928052.90 16.48 75.63 11.97 127.97 81.79 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:51 Correlator type: Unknown Experiment code: pol016 Mark-3 db_name: $81JUL08X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810708_a Ver 2 pol016 Matrix Condition Number = 2.332413808329033E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.5 2.8 847.6 1.0 46.7 1.0 WESTFORD MET 28.6 3.6 997.4 0.6 31.7 3.8 Run 26091-1734 190 Observation Pairs Available Session started on: 2444794.257800 1981.07.08 18:11:13.920 UTC Nominal duration: 83099.520 sec 00 23:04:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 117 57.211 ps 0.84 1.0239 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 117 Number of potentially good observations with QC 5-9: 117 Number of used observations: 117 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 117 117 57.211 0.84 19810708_a pol016 1981.07.09-05:43:43.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 11 70.798 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 0235+164 J0238+1636 0 0 9 0.000 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 0552+398 J0555+3948 13 13 14 92.671 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 1642+690 J1642+6856 1 1 18 176.390 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 2134+00 J2136+0041 9 9 13 88.947 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 3C273B J1229+0203 14 14 14 38.762 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 3C345 J1642+3948 17 17 18 33.327 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 3C454.3 J2253+1608 6 6 13 45.367 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 4C39.25 J0927+3902 6 6 13 70.077 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: 4C67.05 J0228+6721 0 0 11 0.000 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: NRAO150 J0359+5057 13 13 13 36.019 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: OJ287 J0854+2006 11 11 13 78.400 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: OQ208 J1407+2827 11 11 19 141.570 19810708_a pol016 1981.07.09-05:43:43.680 SRC_STAT: VR422201 J2202+4216 5 5 11 45.281 19810708_a pol016 1981.07.09-05:43:43.680 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.07.09-05:43:11 1. HRAS_085 7216 NOAM X Comp -1324211035.78 mm -18.782 mm 6.032 mm 6.104 mm 2. HRAS_085 7216 NOAM Y Comp -5332023198.76 mm -116.760 mm 25.611 mm 25.914 mm 3. HRAS_085 7216 NOAM Z Comp 3232118367.40 mm 60.403 mm 18.709 mm 18.931 mm HRAS_085 7216 U Comp 132.18 mm 132.176 mm 30.669 mm 25.807 mm HRAS_085 7216 E Comp 9.91 mm 9.915 mm 8.543 mm 7.189 mm HRAS_085 7216 N Comp -8.08 mm -8.081 mm 5.362 mm 4.512 mm 4. HRAS_085 CL 0 1981.07.08-18:10:41.736 8168.619 ns 0.296 ns 0.299 ns 5. HRAS_085 CL 1 1981.07.08-18:10:41.736 100.692 D-14 2.239 D-14 2.265 D-14 6. HRAS_085 CL 2 1981.07.08-18:10:41.736 12.185 D-14/day 2.017 D-14/day 2.041 D-14/day 31. HRAS_085 AT 0 1981.07.08-18:10:41.736 -35.808 ps 70.843 ps 71.683 ps HRAS_085 Atm 1981.07.09-06:11:13.920 Avg: 13.434 ps Rms: 32.969 ps Tot_Rms: 35.601 ps || Nat: 190 Dura: 83100.0 sec Tzd_avg: 7025.0 Tzd_rms: 29.0 Wzd_avg: 636.6 Wzd_rms: 28.0 ps Prs_avg: 84763. Pa Tem_avg: 20.5 C Stm_avg: -0.3 C Stm_rms: 1.7 K Spr_avg: 475. Spr_rms: 44. Pa 104. HRAS_085 NG 1981.07.08-18:09:41.736 0.009 mm 0.422 mm 0.427 mm 105. HRAS_085 EG 1981.07.08-18:09:41.736 0.007 mm 0.422 mm 0.427 mm 106. HRAS_085 NG 1981.07.09-02:09:41.736 -0.008 mm 0.377 mm 0.382 mm 107. HRAS_085 EG 1981.07.09-02:09:41.736 0.010 mm 0.377 mm 0.381 mm 108. HRAS_085 NG 1981.07.09-10:09:41.736 -0.005 mm 0.377 mm 0.382 mm 109. HRAS_085 EG 1981.07.09-10:09:41.736 -0.014 mm 0.377 mm 0.381 mm 110. HRAS_085 NG 1981.07.09-18:09:41.736 -0.002 mm 0.422 mm 0.427 mm 111. HRAS_085 EG 1981.07.09-18:09:41.736 0.000 mm 0.422 mm 0.427 mm 112. WESTFORD 7209 NOAM X Comp 1492206561.78 mm 18.782 mm 6.032 mm 6.104 mm 113. WESTFORD 7209 NOAM Y Comp -4458130405.24 mm 116.760 mm 25.611 mm 25.914 mm 114. WESTFORD 7209 NOAM Z Comp 4296015486.60 mm -60.403 mm 18.709 mm 18.931 mm WESTFORD 7209 U Comp -117.99 mm -117.994 mm 30.357 mm 25.544 mm WESTFORD 7209 E Comp 54.87 mm 54.871 mm 9.901 mm 8.331 mm WESTFORD 7209 N Comp 26.47 mm 26.474 mm 4.772 mm 4.015 mm 115. WESTFORD AT 0 1981.07.08-18:10:41.736 -201.885 ps 82.162 ps 83.136 ps WESTFORD Atm 1981.07.09-06:11:13.920 Avg: -63.416 ps Rms: 104.883 ps Tot_Rms: 122.565 ps || Nat: 190 Dura: 83100.0 sec Tzd_avg: 8263.2 Tzd_rms: 39.1 Wzd_avg: 735.3 Wzd_rms: 42.4 ps Prs_avg: 99739. Pa Tem_avg: 28.6 C Stm_avg: 1.8 C Stm_rms: 1.3 K Spr_avg: 258. Spr_rms: 60. Pa 188. WESTFORD NG 1981.07.08-18:09:41.736 -0.005 mm 0.422 mm 0.427 mm 189. WESTFORD EG 1981.07.08-18:09:41.736 -0.014 mm 0.422 mm 0.427 mm 190. WESTFORD NG 1981.07.09-02:09:41.736 0.010 mm 0.377 mm 0.382 mm 191. WESTFORD EG 1981.07.09-02:09:41.736 -0.002 mm 0.377 mm 0.381 mm 192. WESTFORD NG 1981.07.09-10:09:41.736 -0.005 mm 0.377 mm 0.382 mm 193. WESTFORD EG 1981.07.09-10:09:41.736 0.018 mm 0.377 mm 0.381 mm 194. WESTFORD NG 1981.07.09-18:09:41.736 0.001 mm 0.422 mm 0.427 mm 195. WESTFORD EG 1981.07.09-18:09:41.736 0.005 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.05 ps/h NRMS 0.20 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 23.01 ps/h NRMS 0.46 share 0.91 count 73 Overall RMS 17.75 ps/h NRMS 0.36 share 0.92 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.18 D-14 NRMS 0.64 share 0.34 count 25 Overall RMS 3.18 D-14 NRMS 0.64 share 0.34 count 25 196. UT1-TAI 1, 1981.07.09-05:43:00.000 -0.9476 ms/d 453.57 micros/d 324.53 micros/d 328.38 micros/d EOP epoch (TDT) MJD: 44794.238567 NUT epoch (TDT) MJD: 44794.163508 197. Nutation DPSI wrt apriori model 1981.07.09-05:43:11.496 -1.175 mas 2501.4 microasec 2531.1 microasec Nutation Dx wrt apriori model 1981.07.09-05:43:11.496 -0.471 mas 990.3 microasec 1002.1 microasec Nutation DPSI wrt Wahr 1980 model 1981.07.09-05:43:11.496 0.227 mas 2501.4 microasec 2531.1 microasec 198. Nutation DEPS wrt apriori model 1981.07.09-05:43:11.496 0.910 mas 1152.4 microasec 1166.0 microasec Nutation Dy wrt apriori model 1981.07.09-05:43:11.496 0.908 mas 1156.5 microasec 1170.2 microasec Nutation DEPS wrt Wahr 1980 model 1981.07.09-05:43:11.496 -1.206 mas 1152.4 microasec 1166.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1749 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.07.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928034.05 12.32 3134928034.05 12.32 -23.82 7.96 258.11 62.88 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:54 Correlator type: Unknown Experiment code: pol018 Mark-3 db_name: $81JUL22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810722_a Ver 2 pol018 Matrix Condition Number = 1.856810620380549E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 24.8 5.3 845.1 1.1 23.8 0.4 WESTFORD MET 19.1 4.2 1004.8 3.1 47.6 7.6 Run 26091-1734 224 Observation Pairs Available Session started on: 2444808.253600 1981.07.22 18:05:11.040 UTC Nominal duration: 85924.800 sec 00 23:52:04.800 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 156 70.618 ps 0.88 1.0249 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 158 Number of potentially good observations with QC 5-9: 158 Number of used observations: 156 ( 98.73%) Number of suppressed observations: 2 ( 1.27%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 156 158 70.618 0.88 19810722_a pol018 1981.07.23-06:01:13.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 14 60.687 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 0235+164 J0238+1636 6 6 15 243.840 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 0552+398 J0555+3948 17 17 17 101.865 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 1642+690 J1642+6856 5 5 19 102.464 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 2134+00 J2136+0041 10 10 14 82.125 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 3C273B J1229+0203 14 14 15 43.731 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 3C345 J1642+3948 21 21 21 38.465 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 3C454.3 J2253+1608 7 7 15 46.490 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 4C39.25 J0927+3902 7 9 16 81.257 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: 4C67.05 J0228+6721 4 4 14 92.762 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: NRAO150 J0359+5057 15 15 15 33.582 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: OJ287 J0854+2006 13 13 16 59.452 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: OQ208 J1407+2827 17 17 21 162.825 19810722_a pol018 1981.07.23-06:01:13.440 SRC_STAT: VR422201 J2202+4216 6 6 12 48.723 19810722_a pol018 1981.07.23-06:01:13.440 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.07.23-06:00:41 1. HRAS_085 7216 NOAM X Comp -1324211043.74 mm -26.744 mm 6.026 mm 6.100 mm 2. HRAS_085 7216 NOAM Y Comp -5332023181.82 mm -99.825 mm 22.830 mm 23.112 mm 3. HRAS_085 7216 NOAM Z Comp 3232118373.62 mm 66.619 mm 16.776 mm 16.983 mm HRAS_085 7216 U Comp 122.85 mm 122.853 mm 27.653 mm 24.256 mm HRAS_085 7216 E Comp -1.89 mm -1.895 mm 6.947 mm 6.094 mm HRAS_085 7216 N Comp 4.66 mm 4.665 mm 5.099 mm 4.473 mm 4. HRAS_085 CL 0 1981.07.22-18:04:38.856 9518.779 ns 0.274 ns 0.277 ns 5. HRAS_085 CL 1 1981.07.22-18:04:38.856 103.259 D-14 2.135 D-14 2.161 D-14 6. HRAS_085 CL 2 1981.07.22-18:04:38.856 4.335 D-14/day 1.854 D-14/day 1.877 D-14/day 31. HRAS_085 AT 0 1981.07.22-18:04:38.856 -47.019 ps 54.734 ps 55.411 ps HRAS_085 Atm 1981.07.23-06:05:11.040 Avg: 29.614 ps Rms: 28.123 ps Tot_Rms: 40.840 ps || Nat: 224 Dura: 85920.0 sec Tzd_avg: 6703.0 Tzd_rms: 32.4 Wzd_avg: 326.3 Wzd_rms: 29.7 ps Prs_avg: 84508. Pa Tem_avg: 24.8 C Stm_avg: -1.3 C Stm_rms: 1.3 K Spr_avg: 508. Spr_rms: 60. Pa 104. HRAS_085 NG 1981.07.22-18:03:38.856 0.012 mm 0.422 mm 0.428 mm 105. HRAS_085 EG 1981.07.22-18:03:38.856 0.024 mm 0.422 mm 0.428 mm 106. HRAS_085 NG 1981.07.23-02:03:38.856 -0.016 mm 0.377 mm 0.382 mm 107. HRAS_085 EG 1981.07.23-02:03:38.856 -0.010 mm 0.377 mm 0.382 mm 108. HRAS_085 NG 1981.07.23-10:03:38.856 -0.014 mm 0.377 mm 0.382 mm 109. HRAS_085 EG 1981.07.23-10:03:38.856 -0.018 mm 0.377 mm 0.382 mm 110. HRAS_085 NG 1981.07.23-18:03:38.856 -0.016 mm 0.422 mm 0.428 mm 111. HRAS_085 EG 1981.07.23-18:03:38.856 -0.009 mm 0.422 mm 0.428 mm 112. WESTFORD 7209 NOAM X Comp 1492206569.74 mm 26.744 mm 6.026 mm 6.100 mm 113. WESTFORD 7209 NOAM Y Comp -4458130422.18 mm 99.825 mm 22.830 mm 23.112 mm 114. WESTFORD 7209 NOAM Z Comp 4296015480.38 mm -66.619 mm 16.776 mm 16.983 mm WESTFORD 7209 U Comp -108.52 mm -108.523 mm 26.715 mm 23.434 mm WESTFORD 7209 E Comp 57.05 mm 57.046 mm 10.297 mm 9.032 mm WESTFORD 7209 N Comp 9.32 mm 9.316 mm 4.381 mm 3.843 mm 115. WESTFORD AT 0 1981.07.22-18:04:38.856 -163.077 ps 79.688 ps 80.674 ps WESTFORD Atm 1981.07.23-06:05:11.040 Avg: -65.907 ps Rms: 87.198 ps Tot_Rms: 109.304 ps || Nat: 224 Dura: 85920.0 sec Tzd_avg: 8007.8 Tzd_rms: 109.4 Wzd_avg: 415.2 Wzd_rms: 137.0 ps Prs_avg: 100482. Pa Tem_avg: 19.1 C Stm_avg: -1.0 C Stm_rms: 0.9 K Spr_avg: 302. Spr_rms: 43. Pa 188. WESTFORD NG 1981.07.22-18:03:38.856 0.005 mm 0.422 mm 0.428 mm 189. WESTFORD EG 1981.07.22-18:03:38.856 -0.015 mm 0.422 mm 0.428 mm 190. WESTFORD NG 1981.07.23-02:03:38.856 0.016 mm 0.377 mm 0.382 mm 191. WESTFORD EG 1981.07.23-02:03:38.856 -0.008 mm 0.377 mm 0.382 mm 192. WESTFORD NG 1981.07.23-10:03:38.856 0.005 mm 0.377 mm 0.382 mm 193. WESTFORD EG 1981.07.23-10:03:38.856 0.013 mm 0.377 mm 0.382 mm 194. WESTFORD NG 1981.07.23-18:03:38.856 0.011 mm 0.422 mm 0.428 mm 195. WESTFORD EG 1981.07.23-18:03:38.856 0.009 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.89 ps/h NRMS 0.22 share 0.92 count 73 2. WESTFORD Input 50.00 ps/h RMS 17.58 ps/h NRMS 0.35 share 0.90 count 73 Overall RMS 14.62 ps/h NRMS 0.29 share 0.91 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.26 D-14 NRMS 0.85 share 0.28 count 25 Overall RMS 4.26 D-14 NRMS 0.85 share 0.28 count 25 196. UT1-TAI 1, 1981.07.23-06:01:00.000 -1.6409 ms/d 112.18 micros/d 246.56 micros/d 249.61 micros/d EOP epoch (TDT) MJD: 44808.251067 NUT epoch (TDT) MJD: 44808.190810 197. Nutation DPSI wrt apriori model 1981.07.23-06:00:41.256 0.132 mas 2356.2 microasec 2385.3 microasec Nutation Dx wrt apriori model 1981.07.23-06:00:41.256 0.049 mas 932.9 microasec 944.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.07.23-06:00:41.256 -0.113 mas 2356.2 microasec 2385.3 microasec 198. Nutation DEPS wrt apriori model 1981.07.23-06:00:41.256 0.783 mas 1073.9 microasec 1087.2 microasec Nutation Dy wrt apriori model 1981.07.23-06:00:41.256 0.784 mas 1077.7 microasec 1091.1 microasec Nutation DEPS wrt Wahr 1980 model 1981.07.23-06:00:41.256 -1.043 mas 1073.9 microasec 1087.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1248 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.07.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928034.69 12.70 3134928034.69 12.70 10.46 7.64 238.63 56.00 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1734 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:34:57 Correlator type: Unknown Experiment code: pol019 Mark-3 db_name: $81JUL29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810729_a Ver 2 pol019 Matrix Condition Number = 2.562987089082152E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.6 2.5 845.6 0.6 65.4 7.2 WESTFORD MET 15.3 2.5 1002.7 2.8 87.2 25.8 Run 26091-1734 212 Observation Pairs Available Session started on: 2444815.255000 1981.07.29 18:07:12.000 UTC Nominal duration: 85743.360 sec 00 23:49:03.360 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 139 75.504 ps 0.87 1.0150 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 139 Number of potentially good observations with QC 5-9: 139 Number of used observations: 139 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 139 139 75.504 0.87 19810729_a pol019 1981.07.30-06:01:43.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 86.640 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 0235+164 J0238+1636 11 11 15 137.881 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 0552+398 J0555+3948 14 14 15 79.217 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 1642+690 J1642+6856 3 3 20 129.753 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 2134+00 J2136+0041 10 10 15 102.931 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 3C273B J1229+0203 11 11 11 31.663 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 3C345 J1642+3948 21 21 21 41.488 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 3C454.3 J2253+1608 6 6 15 40.687 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 4C39.25 J0927+3902 7 7 11 84.844 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: 4C67.05 J0228+6721 7 7 15 242.672 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: NRAO150 J0359+5057 16 16 17 75.181 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: OJ287 J0854+2006 0 0 13 0.000 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: OQ208 J1407+2827 11 11 17 112.931 19810729_a pol019 1981.07.30-06:01:43.680 SRC_STAT: VR422201 J2202+4216 7 7 12 45.025 19810729_a pol019 1981.07.30-06:01:43.680 ------------------------------------------------ Parameter adjustments for run 26091-1734 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.07.30-06:01:11 1. HRAS_085 7216 NOAM X Comp -1324211054.50 mm -37.502 mm 6.751 mm 6.801 mm 2. HRAS_085 7216 NOAM Y Comp -5332023160.71 mm -78.706 mm 26.264 mm 26.460 mm 3. HRAS_085 7216 NOAM Z Comp 3232118348.87 mm 41.869 mm 20.458 mm 20.611 mm HRAS_085 7216 U Comp 94.84 mm 94.837 mm 32.149 mm 27.920 mm HRAS_085 7216 E Comp -17.43 mm -17.426 mm 8.723 mm 7.576 mm HRAS_085 7216 N Comp -7.51 mm -7.507 mm 6.650 mm 5.776 mm 4. HRAS_085 CL 0 1981.07.29-18:06:39.816 10128.181 ns 0.383 ns 0.386 ns 5. HRAS_085 CL 1 1981.07.29-18:06:39.816 101.525 D-14 2.210 D-14 2.227 D-14 6. HRAS_085 CL 2 1981.07.29-18:06:39.816 2.520 D-14/day 1.905 D-14/day 1.919 D-14/day 31. HRAS_085 AT 0 1981.07.29-18:06:39.816 -6.063 ps 65.148 ps 65.635 ps HRAS_085 Atm 1981.07.30-06:07:12.000 Avg: 62.306 ps Rms: 25.607 ps Tot_Rms: 67.362 ps || Nat: 212 Dura: 85740.0 sec Tzd_avg: 6992.5 Tzd_rms: 51.7 Wzd_avg: 620.6 Wzd_rms: 55.1 ps Prs_avg: 84559. Pa Tem_avg: 17.6 C Stm_avg: -3.5 C Stm_rms: 2.9 K Spr_avg: 493. Spr_rms: 37. Pa 104. HRAS_085 NG 1981.07.29-18:05:39.816 0.006 mm 0.422 mm 0.426 mm 105. HRAS_085 EG 1981.07.29-18:05:39.816 0.014 mm 0.422 mm 0.425 mm 106. HRAS_085 NG 1981.07.30-02:05:39.816 -0.004 mm 0.377 mm 0.380 mm 107. HRAS_085 EG 1981.07.30-02:05:39.816 0.008 mm 0.377 mm 0.380 mm 108. HRAS_085 NG 1981.07.30-10:05:39.816 -0.008 mm 0.377 mm 0.380 mm 109. HRAS_085 EG 1981.07.30-10:05:39.816 -0.014 mm 0.377 mm 0.380 mm 110. HRAS_085 NG 1981.07.30-18:05:39.816 -0.016 mm 0.422 mm 0.426 mm 111. HRAS_085 EG 1981.07.30-18:05:39.816 -0.006 mm 0.422 mm 0.425 mm 112. WESTFORD 7209 NOAM X Comp 1492206580.50 mm 37.502 mm 6.751 mm 6.801 mm 113. WESTFORD 7209 NOAM Y Comp -4458130443.29 mm 78.706 mm 26.264 mm 26.460 mm 114. WESTFORD 7209 NOAM Z Comp 4296015505.13 mm -41.869 mm 20.458 mm 20.611 mm WESTFORD 7209 U Comp -74.51 mm -74.515 mm 31.797 mm 27.615 mm WESTFORD 7209 E Comp 60.54 mm 60.544 mm 10.925 mm 9.488 mm WESTFORD 7209 N Comp 11.66 mm 11.659 mm 4.844 mm 4.207 mm 115. WESTFORD AT 0 1981.07.29-18:06:39.816 -143.431 ps 99.791 ps 100.537 ps WESTFORD Atm 1981.07.30-06:07:12.000 Avg: -63.033 ps Rms: 69.300 ps Tot_Rms: 93.679 ps || Nat: 212 Dura: 85740.0 sec Tzd_avg: 8132.4 Tzd_rms: 47.6 Wzd_avg: 562.5 Wzd_rms: 71.8 ps Prs_avg: 100273. Pa Tem_avg: 15.3 C Stm_avg: -1.7 C Stm_rms: 3.6 K Spr_avg: 326. Spr_rms: 100. Pa 188. WESTFORD NG 1981.07.29-18:05:39.816 -0.004 mm 0.422 mm 0.426 mm 189. WESTFORD EG 1981.07.29-18:05:39.816 -0.006 mm 0.422 mm 0.425 mm 190. WESTFORD NG 1981.07.30-02:05:39.816 -0.001 mm 0.377 mm 0.380 mm 191. WESTFORD EG 1981.07.30-02:05:39.816 -0.009 mm 0.377 mm 0.380 mm 192. WESTFORD NG 1981.07.30-10:05:39.816 -0.003 mm 0.377 mm 0.380 mm 193. WESTFORD EG 1981.07.30-10:05:39.816 0.012 mm 0.377 mm 0.380 mm 194. WESTFORD NG 1981.07.30-18:05:39.816 0.009 mm 0.422 mm 0.426 mm 195. WESTFORD EG 1981.07.30-18:05:39.816 0.008 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.60 ps/h NRMS 0.19 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 13.38 ps/h NRMS 0.27 share 0.92 count 73 Overall RMS 11.65 ps/h NRMS 0.23 share 0.93 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.69 D-14 NRMS 0.54 share 0.32 count 25 Overall RMS 2.69 D-14 NRMS 0.54 share 0.32 count 25 196. UT1-TAI 1, 1981.07.30-06:01:00.000 -0.8950 ms/d 552.81 micros/d 309.76 micros/d 312.07 micros/d EOP epoch (TDT) MJD: 44815.251067 NUT epoch (TDT) MJD: 44815.250393 197. Nutation DPSI wrt apriori model 1981.07.30-06:01:11.496 -3.376 mas 2838.9 microasec 2860.1 microasec Nutation Dx wrt apriori model 1981.07.30-06:01:11.496 -1.347 mas 1123.8 microasec 1132.2 microasec Nutation DPSI wrt Wahr 1980 model 1981.07.30-06:01:11.496 -4.959 mas 2838.9 microasec 2860.1 microasec 198. Nutation DEPS wrt apriori model 1981.07.30-06:01:11.496 0.976 mas 1348.5 microasec 1358.5 microasec Nutation Dy wrt apriori model 1981.07.30-06:01:11.496 0.971 mas 1353.1 microasec 1363.2 microasec Nutation DEPS wrt Wahr 1980 model 1981.07.30-06:01:11.496 -1.209 mas 1348.5 microasec 1358.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1287 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.07.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928059.05 14.06 3134928059.05 14.06 7.40 8.89 174.64 65.87 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:00 Correlator type: Unknown Experiment code: pol020 Mark-3 db_name: $81AUG05X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810805_a Ver 2 pol020 Matrix Condition Number = 1.036105673341825E+08 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.4 3.8 847.3 0.4 40.5 16.5 WESTFORD MET 19.1 3.0 997.0 0.3 62.2 4.0 Run 26091-1735 137 Observation Pairs Available Session started on: 2444822.251600 1981.08.05 18:02:18.240 UTC Nominal duration: 84654.720 sec 00 23:30:54.720 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 81 49.860 ps 0.79 0.9510 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 81 Number of potentially good observations with QC 5-9: 81 Number of used observations: 81 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 81 81 49.860 0.79 19810805_a pol020 1981.08.06-05:47:45.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 14 54.113 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 0235+164 J0238+1636 4 4 11 160.695 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 0552+398 J0555+3948 7 7 7 64.743 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 1642+690 J1642+6856 1 1 13 178.864 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 2134+00 J2136+0041 8 8 13 99.773 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 3C273B J1229+0203 3 3 4 20.179 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 3C345 J1642+3948 12 12 12 22.143 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 3C454.3 J2253+1608 8 8 15 35.351 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 4C39.25 J0927+3902 1 1 3 53.871 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: 4C67.05 J0228+6721 2 2 8 104.124 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: NRAO150 J0359+5057 11 11 12 60.931 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: OJ287 J0854+2006 0 0 4 0.000 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: OQ208 J1407+2827 5 5 10 111.128 19810805_a pol020 1981.08.06-05:47:45.600 SRC_STAT: VR422201 J2202+4216 5 5 11 57.926 19810805_a pol020 1981.08.06-05:47:45.600 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.08.06-05:47:13 1. HRAS_085 7216 NOAM X Comp -1324211033.79 mm -16.794 mm 7.676 mm 7.486 mm 2. HRAS_085 7216 NOAM Y Comp -5332023150.38 mm -68.376 mm 28.418 mm 27.714 mm 3. HRAS_085 7216 NOAM Z Comp 3232118318.78 mm 11.777 mm 23.423 mm 22.843 mm HRAS_085 7216 U Comp 66.58 mm 66.581 mm 34.417 mm 27.053 mm HRAS_085 7216 E Comp 0.18 mm 0.181 mm 10.885 mm 8.556 mm HRAS_085 7216 N Comp -25.75 mm -25.746 mm 10.589 mm 8.323 mm 4. HRAS_085 CL 0 1981.08.05-18:01:46.056 12783.500 ns 0.444 ns 0.433 ns 5. HRAS_085 CL 1 1981.08.05-18:01:46.056 94.484 D-14 9.132 D-14 8.905 D-14 6. HRAS_085 CL 2 1981.08.05-18:01:46.056 507.592 D-14/day 150.783 D-14/day 147.046 D-14/day 7. HRAS_085 BR 0 1981.08.06-00:53:55.632 -2031.852 ns 8.902 ns 8.681 ns 8. HRAS_085 BR 1 1981.08.06-00:53:55.632 -268.689 D-14 78.750 D-14 76.798 D-14 9. HRAS_085 BR 2 1981.08.06-00:53:55.632 -511.203 D-14/day 151.434 D-14/day 147.681 D-14/day 34. HRAS_085 AT 0 1981.08.05-18:01:46.056 62.532 ps 86.823 ps 84.671 ps HRAS_085 Atm 1981.08.06-06:02:18.240 Avg: 36.728 ps Rms: 26.211 ps Tot_Rms: 45.121 ps || Nat: 137 Dura: 84660.0 sec Tzd_avg: 6933.8 Tzd_rms: 10.6 Wzd_avg: 546.5 Wzd_rms: 14.2 ps Prs_avg: 84729. Pa Tem_avg: 19.4 C Stm_avg: -3.1 C Stm_rms: 1.5 K Spr_avg: 492. Spr_rms: 40. Pa 107. HRAS_085 NG 1981.08.05-18:00:46.056 0.002 mm 0.422 mm 0.412 mm 108. HRAS_085 EG 1981.08.05-18:00:46.056 -0.004 mm 0.422 mm 0.412 mm 109. HRAS_085 NG 1981.08.06-02:00:46.056 -0.000 mm 0.377 mm 0.368 mm 110. HRAS_085 EG 1981.08.06-02:00:46.056 -0.001 mm 0.377 mm 0.368 mm 111. HRAS_085 NG 1981.08.06-10:00:46.056 -0.006 mm 0.377 mm 0.368 mm 112. HRAS_085 EG 1981.08.06-10:00:46.056 0.002 mm 0.377 mm 0.368 mm 113. HRAS_085 NG 1981.08.06-18:00:46.056 -0.009 mm 0.422 mm 0.412 mm 114. HRAS_085 EG 1981.08.06-18:00:46.056 -0.006 mm 0.422 mm 0.412 mm 115. WESTFORD 7209 NOAM X Comp 1492206559.79 mm 16.794 mm 7.676 mm 7.486 mm 116. WESTFORD 7209 NOAM Y Comp -4458130453.62 mm 68.376 mm 28.418 mm 27.714 mm 117. WESTFORD 7209 NOAM Z Comp 4296015535.22 mm -11.777 mm 23.423 mm 22.843 mm WESTFORD 7209 U Comp -51.77 mm -51.769 mm 34.748 mm 27.313 mm WESTFORD 7209 E Comp 37.63 mm 37.629 mm 10.661 mm 8.380 mm WESTFORD 7209 N Comp 31.62 mm 31.623 mm 9.698 mm 7.623 mm 118. WESTFORD AT 0 1981.08.05-18:01:46.056 -168.717 ps 109.493 ps 106.779 ps WESTFORD Atm 1981.08.06-06:02:18.240 Avg: -152.838 ps Rms: 24.002 ps Tot_Rms: 154.711 ps || Nat: 137 Dura: 84660.0 sec Tzd_avg: 8316.4 Tzd_rms: 109.4 Wzd_avg: 796.3 Wzd_rms: 117.1 ps Prs_avg: 99697. Pa Tem_avg: 19.1 C Stm_avg: -1.0 C Stm_rms: 1.6 K Spr_avg: 298. Spr_rms: 58. Pa 191. WESTFORD NG 1981.08.05-18:00:46.056 -0.004 mm 0.422 mm 0.412 mm 192. WESTFORD EG 1981.08.05-18:00:46.056 -0.001 mm 0.422 mm 0.412 mm 193. WESTFORD NG 1981.08.06-02:00:46.056 -0.004 mm 0.377 mm 0.368 mm 194. WESTFORD EG 1981.08.06-02:00:46.056 -0.006 mm 0.377 mm 0.368 mm 195. WESTFORD NG 1981.08.06-10:00:46.056 -0.002 mm 0.377 mm 0.368 mm 196. WESTFORD EG 1981.08.06-10:00:46.056 -0.010 mm 0.377 mm 0.368 mm 197. WESTFORD NG 1981.08.06-18:00:46.056 0.003 mm 0.422 mm 0.412 mm 198. WESTFORD EG 1981.08.06-18:00:46.056 0.002 mm 0.422 mm 0.412 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.44 ps/h NRMS 0.19 share 0.95 count 73 2. WESTFORD Input 50.00 ps/h RMS 12.03 ps/h NRMS 0.24 share 0.94 count 73 Overall RMS 10.81 ps/h NRMS 0.22 share 0.95 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.55 D-14 NRMS 0.51 share 0.62 count 25 Overall RMS 2.55 D-14 NRMS 0.51 share 0.62 count 25 199. UT1-TAI 1, 1981.08.06-05:47:00.000 -0.5223 ms/d 1189.53 micros/d 599.63 micros/d 584.77 micros/d EOP epoch (TDT) MJD: 44822.241345 NUT epoch (TDT) MJD: 44822.242780 200. Nutation DPSI wrt apriori model 1981.08.06-05:47:13.416 -3.568 mas 3401.7 microasec 3317.4 microasec Nutation Dx wrt apriori model 1981.08.06-05:47:13.416 -1.436 mas 1342.2 microasec 1309.0 microasec Nutation DPSI wrt Wahr 1980 model 1981.08.06-05:47:13.416 -5.966 mas 3401.7 microasec 3317.4 microasec 201. Nutation DEPS wrt apriori model 1981.08.06-05:47:13.416 4.071 mas 2683.1 microasec 2616.6 microasec Nutation Dy wrt apriori model 1981.08.06-05:47:13.416 4.066 mas 2688.7 microasec 2622.1 microasec Nutation DEPS wrt Wahr 1980 model 1981.08.06-05:47:13.416 1.952 mas 2683.1 microasec 2616.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1854 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.08.06 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928036.51 14.68 3134928036.51 14.68 -42.65 19.18 122.18 71.25 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:03 Correlator type: Unknown Experiment code: pol023 Mark-3 db_name: $81AUG26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810826_a Ver 2 pol023 Matrix Condition Number = 1.823331358699928E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: CABL_DEL GION | | WESTFORD: CABL_DEL GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.4 5.0 841.7 0.8 38.3 3.4 WESTFORD MET 18.7 4.3 1006.4 1.0 46.9 4.4 Run 26091-1735 210 Observation Pairs Available Session started on: 2444843.254300 1981.08.26 18:06:11.520 UTC Nominal duration: 86080.320 sec 00 23:54:40.320 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 119 40.374 ps 0.77 0.8885 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 136 Number of potentially good observations with QC 5-9: 136 Number of used observations: 119 ( 87.50%) Number of suppressed observations: 17 ( 12.50%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 119 136 40.374 0.77 19810826_a pol023 1981.08.27-06:03:31.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 14 14 33.818 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 0235+164 J0238+1636 4 6 14 89.027 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 0552+398 J0555+3948 13 16 16 59.084 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 1642+690 J1642+6856 1 1 15 38.828 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 2134+00 J2136+0041 5 6 12 85.487 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 3C273B J1229+0203 14 14 14 38.673 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 3C345 J1642+3948 17 17 17 23.286 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 3C454.3 J2253+1608 7 8 13 24.092 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 4C39.25 J0927+3902 6 6 16 76.369 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: 4C67.05 J0228+6721 1 1 15 60.880 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: NRAO150 J0359+5057 13 16 17 63.784 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: OJ287 J0854+2006 12 15 17 66.555 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: OQ208 J1407+2827 9 11 19 58.853 19810826_a pol023 1981.08.27-06:03:31.680 SRC_STAT: VR422201 J2202+4216 5 5 11 89.244 19810826_a pol023 1981.08.27-06:03:31.680 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.08.27-06:02:59 1. HRAS_085 7216 NOAM X Comp -1324211056.62 mm -39.617 mm 5.935 mm 5.595 mm 2. HRAS_085 7216 NOAM Y Comp -5332023093.92 mm -11.916 mm 22.252 mm 20.975 mm 3. HRAS_085 7216 NOAM Z Comp 3232118358.24 mm 51.237 mm 17.243 mm 16.254 mm HRAS_085 7216 U Comp 44.28 mm 44.276 mm 27.251 mm 21.024 mm HRAS_085 7216 E Comp -35.58 mm -35.576 mm 7.428 mm 5.731 mm HRAS_085 7216 N Comp 33.33 mm 33.326 mm 5.472 mm 4.222 mm 4. HRAS_085 CL 0 1981.08.26-18:05:39.336 -0.228 ns 0.325 ns 0.306 ns 5. HRAS_085 CL 1 1981.08.26-18:05:39.336 123.045 D-14 2.184 D-14 2.059 D-14 6. HRAS_085 CL 2 1981.08.26-18:05:39.336 -0.946 D-14/day 1.875 D-14/day 1.767 D-14/day 31. HRAS_085 AT 0 1981.08.26-18:05:39.336 -21.612 ps 81.424 ps 76.751 ps HRAS_085 Atm 1981.08.27-06:06:11.520 Avg: 101.754 ps Rms: 63.565 ps Tot_Rms: 119.977 ps || Nat: 210 Dura: 86075.0 sec Tzd_avg: 6722.7 Tzd_rms: 51.4 Wzd_avg: 343.2 Wzd_rms: 52.6 ps Prs_avg: 84172. Pa Tem_avg: 18.4 C Stm_avg: -2.8 C Stm_rms: 1.6 K Spr_avg: 127. Spr_rms: 65. Pa 104. HRAS_085 NG 1981.08.26-18:04:39.336 0.006 mm 0.422 mm 0.398 mm 105. HRAS_085 EG 1981.08.26-18:04:39.336 0.011 mm 0.422 mm 0.398 mm 106. HRAS_085 NG 1981.08.27-02:04:39.336 -0.006 mm 0.377 mm 0.355 mm 107. HRAS_085 EG 1981.08.27-02:04:39.336 -0.007 mm 0.377 mm 0.355 mm 108. HRAS_085 NG 1981.08.27-10:04:39.336 -0.014 mm 0.377 mm 0.355 mm 109. HRAS_085 EG 1981.08.27-10:04:39.336 -0.007 mm 0.377 mm 0.355 mm 110. HRAS_085 NG 1981.08.27-18:04:39.336 -0.001 mm 0.422 mm 0.398 mm 111. HRAS_085 EG 1981.08.27-18:04:39.336 -0.007 mm 0.422 mm 0.398 mm 112. WESTFORD 7209 NOAM X Comp 1492206582.62 mm 39.617 mm 5.935 mm 5.595 mm 113. WESTFORD 7209 NOAM Y Comp -4458130510.08 mm 11.916 mm 22.252 mm 20.975 mm 114. WESTFORD 7209 NOAM Z Comp 4296015495.76 mm -51.237 mm 17.243 mm 16.254 mm WESTFORD 7209 U Comp -33.75 mm -33.751 mm 26.862 mm 20.724 mm WESTFORD 7209 E Comp 41.35 mm 41.350 mm 9.502 mm 7.331 mm WESTFORD 7209 N Comp -38.57 mm -38.571 mm 3.983 mm 3.073 mm 115. WESTFORD AT 0 1981.08.26-18:05:39.336 27.445 ps 72.820 ps 68.641 ps WESTFORD Atm 1981.08.27-06:06:11.520 Avg: -10.493 ps Rms: 36.317 ps Tot_Rms: 37.803 ps || Nat: 210 Dura: 86075.0 sec Tzd_avg: 7993.7 Tzd_rms: 57.5 Wzd_avg: 387.1 Wzd_rms: 67.0 ps Prs_avg: 100642. Pa Tem_avg: 18.7 C Stm_avg: -0.2 C Stm_rms: 1.8 K Spr_avg: 289. Spr_rms: 60. Pa 188. WESTFORD NG 1981.08.26-18:04:39.336 0.000 mm 0.422 mm 0.398 mm 189. WESTFORD EG 1981.08.26-18:04:39.336 -0.011 mm 0.422 mm 0.398 mm 190. WESTFORD NG 1981.08.27-02:04:39.336 -0.001 mm 0.377 mm 0.355 mm 191. WESTFORD EG 1981.08.27-02:04:39.336 -0.004 mm 0.377 mm 0.355 mm 192. WESTFORD NG 1981.08.27-10:04:39.336 0.007 mm 0.377 mm 0.355 mm 193. WESTFORD EG 1981.08.27-10:04:39.336 -0.003 mm 0.377 mm 0.355 mm 194. WESTFORD NG 1981.08.27-18:04:39.336 -0.006 mm 0.422 mm 0.398 mm 195. WESTFORD EG 1981.08.27-18:04:39.336 0.008 mm 0.422 mm 0.398 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 16.29 ps/h NRMS 0.33 share 0.91 count 73 2. WESTFORD Input 50.00 ps/h RMS 15.62 ps/h NRMS 0.31 share 0.90 count 73 Overall RMS 15.96 ps/h NRMS 0.32 share 0.91 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.54 D-14 NRMS 0.31 share 0.30 count 25 Overall RMS 1.54 D-14 NRMS 0.31 share 0.30 count 25 196. UT1-TAI 1, 1981.08.27-06:03:00.000 -0.9522 ms/d 232.78 micros/d 201.70 micros/d 190.13 micros/d EOP epoch (TDT) MJD: 44843.252456 NUT epoch (TDT) MJD: 44843.211548 197. Nutation DPSI wrt apriori model 1981.08.27-06:02:59.496 -1.389 mas 3221.6 microasec 3036.7 microasec Nutation Dx wrt apriori model 1981.08.27-06:02:59.496 -0.556 mas 1278.1 microasec 1204.8 microasec Nutation DPSI wrt Wahr 1980 model 1981.08.27-06:02:59.496 -5.041 mas 3221.6 microasec 3036.7 microasec 198. Nutation DEPS wrt apriori model 1981.08.27-06:02:59.496 0.843 mas 853.5 microasec 804.5 microasec Nutation Dy wrt apriori model 1981.08.27-06:02:59.496 0.841 mas 858.8 microasec 809.5 microasec Nutation DEPS wrt Wahr 1980 model 1981.08.27-06:02:59.496 -1.212 mas 853.5 microasec 804.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0219 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.08.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928019.25 12.23 3134928019.25 12.23 95.20 7.40 80.19 55.74 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:06 Correlator type: Unknown Experiment code: pol024 Mark-3 db_name: $81SEP02XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810902_a Ver 2 pol024 Matrix Condition Number = 2.720894184303945E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.8 4.2 838.8 1.0 47.4 12.9 WESTFORD MET 15.8 1.6 1011.2 0.5 79.2 5.0 Run 26091-1735 206 Observation Pairs Available Session started on: 2444850.251600 1981.09.02 18:02:18.240 UTC Nominal duration: 85976.640 sec 00 23:52:56.640 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 149 87.107 ps 0.89 1.0267 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 149 Number of potentially good observations with QC 5-9: 149 Number of used observations: 149 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 149 149 87.107 0.89 19810902_a pol024 1981.09.03-05:58:46.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 14 91.711 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 0235+164 J0238+1636 12 12 12 175.539 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 0552+398 J0555+3948 14 14 14 57.074 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 1642+690 J1642+6856 1 1 20 74.163 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 2134+00 J2136+0041 10 10 14 159.079 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 3C273B J1229+0203 15 15 15 56.096 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 3C345 J1642+3948 21 21 21 34.323 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 3C454.3 J2253+1608 7 7 15 66.943 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 4C39.25 J0927+3902 5 5 11 43.947 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: 4C67.05 J0228+6721 7 7 11 98.714 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: NRAO150 J0359+5057 14 14 14 104.691 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: OJ287 J0854+2006 11 11 13 145.081 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: OQ208 J1407+2827 13 13 20 94.649 19810902_a pol024 1981.09.03-05:58:46.560 SRC_STAT: VR422201 J2202+4216 6 6 12 99.247 19810902_a pol024 1981.09.03-05:58:46.560 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.09.03-05:58:14 1. HRAS_085 7216 NOAM X Comp -1324211070.54 mm -53.543 mm 7.072 mm 7.166 mm 2. HRAS_085 7216 NOAM Y Comp -5332023148.08 mm -66.083 mm 27.285 mm 27.647 mm 3. HRAS_085 7216 NOAM Z Comp 3232118408.98 mm 101.978 mm 20.650 mm 20.924 mm HRAS_085 7216 U Comp 118.25 mm 118.254 mm 33.250 mm 29.508 mm HRAS_085 7216 E Comp -36.04 mm -36.036 mm 8.774 mm 7.786 mm HRAS_085 7216 N Comp 48.49 mm 48.485 mm 6.194 mm 5.497 mm 4. HRAS_085 CL 0 1981.09.02-18:01:46.056 21775.888 ns 0.360 ns 0.365 ns 5. HRAS_085 CL 1 1981.09.02-18:01:46.056 105.906 D-14 2.170 D-14 2.199 D-14 6. HRAS_085 CL 2 1981.09.02-18:01:46.056 2.311 D-14/day 1.865 D-14/day 1.890 D-14/day 31. HRAS_085 AT 0 1981.09.02-18:01:46.056 -170.620 ps 90.350 ps 91.549 ps HRAS_085 Atm 1981.09.03-06:02:18.240 Avg: -113.394 ps Rms: 30.618 ps Tot_Rms: 117.455 ps || Nat: 206 Dura: 85980.0 sec Tzd_avg: 6757.6 Tzd_rms: 65.9 Wzd_avg: 399.0 Wzd_rms: 70.6 ps Prs_avg: 83882. Pa Tem_avg: 18.7 C Stm_avg: -2.9 C Stm_rms: 1.6 K Spr_avg: 88. Spr_rms: 61. Pa 104. HRAS_085 NG 1981.09.02-18:00:46.056 0.003 mm 0.422 mm 0.428 mm 105. HRAS_085 EG 1981.09.02-18:00:46.056 0.003 mm 0.422 mm 0.428 mm 106. HRAS_085 NG 1981.09.03-02:00:46.056 0.000 mm 0.377 mm 0.382 mm 107. HRAS_085 EG 1981.09.03-02:00:46.056 0.011 mm 0.377 mm 0.382 mm 108. HRAS_085 NG 1981.09.03-10:00:46.056 -0.012 mm 0.377 mm 0.382 mm 109. HRAS_085 EG 1981.09.03-10:00:46.056 0.002 mm 0.377 mm 0.382 mm 110. HRAS_085 NG 1981.09.03-18:00:46.056 -0.013 mm 0.422 mm 0.428 mm 111. HRAS_085 EG 1981.09.03-18:00:46.056 -0.012 mm 0.422 mm 0.428 mm 112. WESTFORD 7209 NOAM X Comp 1492206596.54 mm 53.543 mm 7.072 mm 7.166 mm 113. WESTFORD 7209 NOAM Y Comp -4458130455.92 mm 66.083 mm 27.285 mm 27.647 mm 114. WESTFORD 7209 NOAM Z Comp 4296015445.02 mm -101.978 mm 20.650 mm 20.924 mm WESTFORD 7209 U Comp -102.65 mm -102.655 mm 32.577 mm 28.911 mm WESTFORD 7209 E Comp 71.75 mm 71.749 mm 11.713 mm 10.395 mm WESTFORD 7209 N Comp -44.13 mm -44.130 mm 4.735 mm 4.202 mm 115. WESTFORD AT 0 1981.09.02-18:01:46.056 143.847 ps 77.607 ps 78.637 ps WESTFORD Atm 1981.09.03-06:02:18.240 Avg: 76.798 ps Rms: 31.456 ps Tot_Rms: 82.991 ps || Nat: 206 Dura: 85980.0 sec Tzd_avg: 8204.3 Tzd_rms: 32.4 Wzd_avg: 568.7 Wzd_rms: 35.6 ps Prs_avg: 101125. Pa Tem_avg: 15.8 C Stm_avg: -3.1 C Stm_rms: 1.5 K Spr_avg: 311. Spr_rms: 25. Pa 188. WESTFORD NG 1981.09.02-18:00:46.056 -0.003 mm 0.422 mm 0.428 mm 189. WESTFORD EG 1981.09.02-18:00:46.056 -0.003 mm 0.422 mm 0.428 mm 190. WESTFORD NG 1981.09.03-02:00:46.056 -0.002 mm 0.377 mm 0.382 mm 191. WESTFORD EG 1981.09.03-02:00:46.056 -0.020 mm 0.377 mm 0.382 mm 192. WESTFORD NG 1981.09.03-10:00:46.056 0.002 mm 0.377 mm 0.382 mm 193. WESTFORD EG 1981.09.03-10:00:46.056 -0.012 mm 0.377 mm 0.382 mm 194. WESTFORD NG 1981.09.03-18:00:46.056 -0.002 mm 0.422 mm 0.428 mm 195. WESTFORD EG 1981.09.03-18:00:46.056 0.009 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.04 ps/h NRMS 0.26 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 10.52 ps/h NRMS 0.21 share 0.92 count 73 Overall RMS 11.84 ps/h NRMS 0.24 share 0.93 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.08 D-14 NRMS 0.82 share 0.36 count 25 Overall RMS 4.08 D-14 NRMS 0.82 share 0.36 count 25 196. UT1-TAI 1, 1981.09.03-05:58:00.000 -1.7302 ms/d -216.48 micros/d 231.14 micros/d 234.21 micros/d EOP epoch (TDT) MJD: 44850.248984 NUT epoch (TDT) MJD: 44850.222064 197. Nutation DPSI wrt apriori model 1981.09.03-05:58:14.376 5.271 mas 3657.1 microasec 3705.6 microasec Nutation Dx wrt apriori model 1981.09.03-05:58:14.376 2.104 mas 1451.1 microasec 1470.3 microasec Nutation DPSI wrt Wahr 1980 model 1981.09.03-05:58:14.376 1.546 mas 3657.1 microasec 3705.6 microasec 198. Nutation DEPS wrt apriori model 1981.09.03-05:58:14.376 -1.679 mas 918.0 microasec 930.2 microasec Nutation Dy wrt apriori model 1981.09.03-05:58:14.376 -1.670 mas 924.0 microasec 936.3 microasec Nutation DEPS wrt Wahr 1980 model 1981.09.03-05:58:14.376 -3.371 mas 918.0 microasec 930.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1295 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.09.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928040.03 14.63 3134928040.03 14.63 121.26 8.47 227.50 67.81 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:09 Correlator type: Unknown Experiment code: pol025 Mark-3 db_name: $81SEP09X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810909_a Ver 2 pol025 Matrix Condition Number = 1.701996679935607E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.3 3.1 842.0 0.9 61.3 3.3 WESTFORD MET 13.4 4.5 1001.5 2.8 38.5 0.4 Run 26091-1735 209 Observation Pairs Available Session started on: 2444857.281400 1981.09.09 18:45:12.960 UTC Nominal duration: 83764.800 sec 00 23:16:04.800 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 146 60.779 ps 0.87 1.0150 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 155 Number of potentially good observations with QC 5-9: 155 Number of used observations: 146 ( 94.19%) Number of suppressed observations: 9 ( 5.81%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 146 155 60.779 0.87 19810909_a pol025 1981.09.10-06:23:15.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 15 36.005 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 0212+735 J0217+7349 9 10 15 108.704 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 0234+285 J0237+2848 11 13 14 126.536 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 0552+398 J0555+3948 15 15 15 77.951 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 1637+574 J1638+5720 8 9 18 158.444 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 2134+00 J2136+0041 8 8 15 41.726 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 3C273B J1229+0203 11 12 13 35.966 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 3C345 J1642+3948 13 14 19 42.073 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 3C454.3 J2253+1608 7 8 13 33.644 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: 4C39.25 J0927+3902 7 7 14 60.279 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: NRAO150 J0359+5057 14 14 16 61.237 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: OJ287 J0854+2006 13 14 15 93.774 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: OQ208 J1407+2827 13 13 16 133.572 19810909_a pol025 1981.09.10-06:23:15.360 SRC_STAT: VR422201 J2202+4216 4 5 11 53.019 19810909_a pol025 1981.09.10-06:23:15.360 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.09.10-06:22:43 1. HRAS_085 7216 NOAM X Comp -1324211088.28 mm -71.278 mm 5.815 mm 5.859 mm 2. HRAS_085 7216 NOAM Y Comp -5332023107.71 mm -25.715 mm 21.553 mm 21.714 mm 3. HRAS_085 7216 NOAM Z Comp 3232118417.50 mm 110.502 mm 16.372 mm 16.495 mm HRAS_085 7216 U Comp 92.57 mm 92.566 mm 26.542 mm 23.088 mm HRAS_085 7216 E Comp -62.98 mm -62.978 mm 6.074 mm 5.283 mm HRAS_085 7216 N Comp 73.60 mm 73.605 mm 5.001 mm 4.350 mm 4. HRAS_085 CL 0 1981.09.09-18:44:40.776 22759.684 ns 0.302 ns 0.305 ns 5. HRAS_085 CL 1 1981.09.09-18:44:40.776 116.892 D-14 2.190 D-14 2.206 D-14 6. HRAS_085 CL 2 1981.09.09-18:44:40.776 3.121 D-14/day 1.956 D-14/day 1.971 D-14/day 31. HRAS_085 AT 0 1981.09.09-18:44:40.776 -122.303 ps 76.293 ps 76.864 ps HRAS_085 Atm 1981.09.10-06:45:12.960 Avg: -83.666 ps Rms: 22.904 ps Tot_Rms: 86.744 ps || Nat: 209 Dura: 83760.0 sec Tzd_avg: 7006.0 Tzd_rms: 61.3 Wzd_avg: 631.0 Wzd_rms: 57.3 ps Prs_avg: 84200. Pa Tem_avg: 16.4 C Stm_avg: -1.7 C Stm_rms: 1.9 K Spr_avg: 90. Spr_rms: 57. Pa 104. HRAS_085 NG 1981.09.09-18:43:40.776 0.011 mm 0.422 mm 0.425 mm 105. HRAS_085 EG 1981.09.09-18:43:40.776 0.001 mm 0.422 mm 0.425 mm 106. HRAS_085 NG 1981.09.10-02:43:40.776 -0.004 mm 0.377 mm 0.380 mm 107. HRAS_085 EG 1981.09.10-02:43:40.776 -0.007 mm 0.377 mm 0.380 mm 108. HRAS_085 NG 1981.09.10-10:43:40.776 -0.016 mm 0.377 mm 0.380 mm 109. HRAS_085 EG 1981.09.10-10:43:40.776 0.006 mm 0.377 mm 0.380 mm 110. HRAS_085 NG 1981.09.10-18:43:40.776 -0.006 mm 0.422 mm 0.426 mm 111. HRAS_085 EG 1981.09.10-18:43:40.776 0.007 mm 0.422 mm 0.425 mm 112. WESTFORD 7209 NOAM X Comp 1492206614.28 mm 71.278 mm 5.815 mm 5.859 mm 113. WESTFORD 7209 NOAM Y Comp -4458130496.29 mm 25.715 mm 21.553 mm 21.714 mm 114. WESTFORD 7209 NOAM Z Comp 4296015436.50 mm -110.502 mm 16.372 mm 16.495 mm WESTFORD 7209 U Comp -76.11 mm -76.110 mm 25.435 mm 22.125 mm WESTFORD 7209 E Comp 75.75 mm 75.754 mm 10.269 mm 8.932 mm WESTFORD 7209 N Comp -80.13 mm -80.131 mm 3.740 mm 3.253 mm 115. WESTFORD AT 0 1981.09.09-18:44:40.776 -56.326 ps 64.874 ps 65.359 ps WESTFORD Atm 1981.09.10-06:45:12.960 Avg: -8.475 ps Rms: 36.420 ps Tot_Rms: 37.393 ps || Nat: 209 Dura: 83760.0 sec Tzd_avg: 7907.3 Tzd_rms: 23.3 Wzd_avg: 337.5 Wzd_rms: 19.4 ps Prs_avg: 100144. Pa Tem_avg: 13.4 C Stm_avg: -1.3 C Stm_rms: 1.4 K Spr_avg: 300. Spr_rms: 45. Pa 188. WESTFORD NG 1981.09.09-18:43:40.776 0.007 mm 0.422 mm 0.426 mm 189. WESTFORD EG 1981.09.09-18:43:40.776 -0.013 mm 0.422 mm 0.425 mm 190. WESTFORD NG 1981.09.10-02:43:40.776 0.010 mm 0.377 mm 0.380 mm 191. WESTFORD EG 1981.09.10-02:43:40.776 -0.006 mm 0.377 mm 0.380 mm 192. WESTFORD NG 1981.09.10-10:43:40.776 0.017 mm 0.377 mm 0.380 mm 193. WESTFORD EG 1981.09.10-10:43:40.776 -0.016 mm 0.377 mm 0.380 mm 194. WESTFORD NG 1981.09.10-18:43:40.776 0.002 mm 0.422 mm 0.426 mm 195. WESTFORD EG 1981.09.10-18:43:40.776 -0.007 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.61 ps/h NRMS 0.23 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 13.74 ps/h NRMS 0.27 share 0.90 count 73 Overall RMS 12.72 ps/h NRMS 0.25 share 0.91 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.30 D-14 NRMS 0.66 share 0.34 count 25 Overall RMS 3.30 D-14 NRMS 0.66 share 0.34 count 25 196. UT1-TAI 1, 1981.09.10-06:23:00.000 -1.2174 ms/d 227.85 micros/d 205.63 micros/d 207.17 micros/d EOP epoch (TDT) MJD: 44857.266345 NUT epoch (TDT) MJD: 44857.247745 197. Nutation DPSI wrt apriori model 1981.09.10-06:22:43.176 -2.229 mas 3118.9 microasec 3142.2 microasec Nutation Dx wrt apriori model 1981.09.10-06:22:43.176 -0.884 mas 1237.7 microasec 1246.9 microasec Nutation DPSI wrt Wahr 1980 model 1981.09.10-06:22:43.176 -6.042 mas 3118.9 microasec 3142.2 microasec 198. Nutation DEPS wrt apriori model 1981.09.10-06:22:43.176 -0.738 mas 752.0 microasec 757.6 microasec Nutation Dy wrt apriori model 1981.09.10-06:22:43.176 -0.742 mas 757.1 microasec 762.7 microasec Nutation DEPS wrt Wahr 1980 model 1981.09.10-06:22:43.176 -2.637 mas 752.0 microasec 757.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1223 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.09.10 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928043.61 12.31 3134928043.61 12.31 192.86 6.92 173.40 53.53 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:12 Correlator type: Unknown Experiment code: pol026 Mark-3 db_name: $81SEP16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810916_a Ver 2 pol026 Matrix Condition Number = 2.173036214925501E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.7 4.1 849.2 1.6 50.1 19.4 WESTFORD MET 13.2 4.2 1006.4 1.8 88.0 28.8 Run 26091-1735 228 Observation Pairs Available Session started on: 2444864.251300 1981.09.16 18:01:52.320 UTC Nominal duration: 86425.920 sec 01 00:00:25.920 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 152 72.542 ps 0.88 1.0363 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 164 Number of potentially good observations with QC 5-9: 164 Number of used observations: 152 ( 92.68%) Number of suppressed observations: 12 ( 7.32%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 152 164 72.542 0.88 19810916_a pol026 1981.09.17-06:02:05.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 15 73.522 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 0212+735 J0217+7349 7 7 13 111.079 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 0234+285 J0237+2848 13 13 14 110.146 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 0552+398 J0555+3948 18 18 19 49.015 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 1637+574 J1638+5720 6 6 22 165.145 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 2134+00 J2136+0041 7 7 16 139.348 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 3C273B J1229+0203 3 15 15 87.845 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 3C345 J1642+3948 20 20 20 36.133 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 3C454.3 J2253+1608 6 6 15 23.440 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: 4C39.25 J0927+3902 7 7 15 63.612 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: NRAO150 J0359+5057 14 14 15 95.908 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: OJ287 J0854+2006 15 15 15 101.699 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: OQ208 J1407+2827 14 14 21 112.815 19810916_a pol026 1981.09.17-06:02:05.280 SRC_STAT: VR422201 J2202+4216 8 8 13 45.969 19810916_a pol026 1981.09.17-06:02:05.280 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.09.17-06:01:33 1. HRAS_085 7216 NOAM X Comp -1324211067.86 mm -50.858 mm 6.318 mm 6.431 mm 2. HRAS_085 7216 NOAM Y Comp -5332023159.18 mm -77.181 mm 24.124 mm 24.558 mm 3. HRAS_085 7216 NOAM Z Comp 3232118408.52 mm 101.522 mm 18.979 mm 19.320 mm HRAS_085 7216 U Comp 126.73 mm 126.731 mm 29.904 mm 26.361 mm HRAS_085 7216 E Comp -30.76 mm -30.756 mm 6.774 mm 5.971 mm HRAS_085 7216 N Comp 42.93 mm 42.933 mm 6.479 mm 5.712 mm 4. HRAS_085 CL 0 1981.09.16-18:01:20.136 23813.692 ns 0.348 ns 0.354 ns 5. HRAS_085 CL 1 1981.09.16-18:01:20.136 101.911 D-14 2.184 D-14 2.223 D-14 6. HRAS_085 CL 2 1981.09.16-18:01:20.136 4.230 D-14/day 1.881 D-14/day 1.914 D-14/day 31. HRAS_085 AT 0 1981.09.16-18:01:20.136 -2.031 ps 98.378 ps 100.146 ps HRAS_085 Atm 1981.09.17-06:01:52.320 Avg: -63.511 ps Rms: 39.125 ps Tot_Rms: 74.595 ps || Nat: 228 Dura: 86425.0 sec Tzd_avg: 6832.6 Tzd_rms: 24.6 Wzd_avg: 399.8 Wzd_rms: 33.1 ps Prs_avg: 84923. Pa Tem_avg: 13.7 C Stm_avg: -2.1 C Stm_rms: 1.2 K Spr_avg: 156. Spr_rms: 64. Pa 104. HRAS_085 NG 1981.09.16-18:00:20.136 -0.001 mm 0.422 mm 0.430 mm 105. HRAS_085 EG 1981.09.16-18:00:20.136 -0.005 mm 0.422 mm 0.430 mm 106. HRAS_085 NG 1981.09.17-02:00:20.136 0.000 mm 0.377 mm 0.384 mm 107. HRAS_085 EG 1981.09.17-02:00:20.136 0.005 mm 0.377 mm 0.384 mm 108. HRAS_085 NG 1981.09.17-10:00:20.136 -0.008 mm 0.377 mm 0.384 mm 109. HRAS_085 EG 1981.09.17-10:00:20.136 -0.011 mm 0.377 mm 0.384 mm 110. HRAS_085 NG 1981.09.17-18:00:20.136 -0.009 mm 0.422 mm 0.430 mm 111. HRAS_085 EG 1981.09.17-18:00:20.136 0.004 mm 0.422 mm 0.430 mm 112. WESTFORD 7209 NOAM X Comp 1492206593.86 mm 50.858 mm 6.318 mm 6.431 mm 113. WESTFORD 7209 NOAM Y Comp -4458130444.82 mm 77.181 mm 24.124 mm 24.558 mm 114. WESTFORD 7209 NOAM Z Comp 4296015445.48 mm -101.522 mm 18.979 mm 19.320 mm WESTFORD 7209 U Comp -110.72 mm -110.718 mm 28.844 mm 25.427 mm WESTFORD 7209 E Comp 72.73 mm 72.725 mm 11.286 mm 9.949 mm WESTFORD 7209 N Comp -36.09 mm -36.091 mm 4.767 mm 4.203 mm 115. WESTFORD AT 0 1981.09.16-18:01:20.136 5.660 ps 74.575 ps 75.916 ps WESTFORD Atm 1981.09.17-06:01:52.320 Avg: 17.836 ps Rms: 15.528 ps Tot_Rms: 23.648 ps || Nat: 228 Dura: 86425.0 sec Tzd_avg: 8182.1 Tzd_rms: 110.7 Wzd_avg: 583.5 Wzd_rms: 125.1 ps Prs_avg: 100637. Pa Tem_avg: 13.2 C Stm_avg: -0.9 C Stm_rms: 3.4 K Spr_avg: 304. Spr_rms: 39. Pa 188. WESTFORD NG 1981.09.16-18:00:20.136 -0.000 mm 0.422 mm 0.430 mm 189. WESTFORD EG 1981.09.16-18:00:20.136 0.007 mm 0.422 mm 0.430 mm 190. WESTFORD NG 1981.09.17-02:00:20.136 -0.002 mm 0.377 mm 0.384 mm 191. WESTFORD EG 1981.09.17-02:00:20.136 -0.012 mm 0.377 mm 0.384 mm 192. WESTFORD NG 1981.09.17-10:00:20.136 -0.004 mm 0.377 mm 0.384 mm 193. WESTFORD EG 1981.09.17-10:00:20.136 -0.000 mm 0.377 mm 0.384 mm 194. WESTFORD NG 1981.09.17-18:00:20.136 -0.002 mm 0.422 mm 0.430 mm 195. WESTFORD EG 1981.09.17-18:00:20.136 -0.002 mm 0.422 mm 0.430 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.88 ps/h NRMS 0.20 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.93 ps/h NRMS 0.20 share 0.90 count 73 Overall RMS 9.90 ps/h NRMS 0.20 share 0.92 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.34 D-14 NRMS 0.47 share 0.28 count 25 Overall RMS 2.34 D-14 NRMS 0.47 share 0.28 count 25 196. UT1-TAI 1, 1981.09.17-06:02:00.000 -2.3259 ms/d 147.63 micros/d 264.77 micros/d 269.53 micros/d EOP epoch (TDT) MJD: 44864.251761 NUT epoch (TDT) MJD: 44864.265745 197. Nutation DPSI wrt apriori model 1981.09.17-06:01:33.096 -3.594 mas 3470.6 microasec 3533.0 microasec Nutation Dx wrt apriori model 1981.09.17-06:01:33.096 -1.429 mas 1376.5 microasec 1401.3 microasec Nutation DPSI wrt Wahr 1980 model 1981.09.17-06:01:33.096 -7.223 mas 3470.6 microasec 3533.0 microasec 198. Nutation DEPS wrt apriori model 1981.09.17-06:01:33.096 -0.249 mas 1005.0 microasec 1023.0 microasec Nutation Dy wrt apriori model 1981.09.17-06:01:33.096 -0.254 mas 1010.6 microasec 1028.8 microasec Nutation DEPS wrt Wahr 1980 model 1981.09.17-06:01:33.096 -1.768 mas 1005.0 microasec 1023.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1403 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.09.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928041.71 13.59 3134928041.71 13.59 106.19 9.08 244.61 60.51 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:15 Correlator type: Unknown Experiment code: pol027 Mark-3 db_name: $81SEP23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810923_a Ver 2 pol027 Matrix Condition Number = 2.563085542870729E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.8 4.1 842.6 1.1 40.0 6.2 WESTFORD MET 9.9 1.9 996.3 1.3 94.1 17.1 Run 26091-1735 225 Observation Pairs Available Session started on: 2444871.250900 1981.09.23 18:01:17.760 UTC Nominal duration: 86520.960 sec 01 00:02:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 154 99.772 ps 0.90 1.0431 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 162 Number of potentially good observations with QC 5-9: 162 Number of used observations: 154 ( 95.06%) Number of suppressed observations: 8 ( 4.94%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 154 162 99.772 0.90 19810923_a pol027 1981.09.24-06:02:18.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 14 100.567 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 0212+735 J0217+7349 6 6 14 153.055 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 0234+285 J0237+2848 13 13 14 120.659 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 0552+398 J0555+3948 16 16 17 105.336 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 1637+574 J1638+5720 2 2 21 90.231 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 2134+00 J2136+0041 8 8 16 130.660 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 3C273B J1229+0203 7 15 16 39.433 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 3C345 J1642+3948 21 21 22 38.962 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 3C454.3 J2253+1608 9 9 15 81.434 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: 4C39.25 J0927+3902 8 8 15 113.709 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: NRAO150 J0359+5057 12 12 13 98.877 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: OJ287 J0854+2006 15 15 15 139.971 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: OQ208 J1407+2827 11 11 20 125.146 19810923_a pol027 1981.09.24-06:02:18.240 SRC_STAT: VR422201 J2202+4216 13 13 13 130.064 19810923_a pol027 1981.09.24-06:02:18.240 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.09.24-06:01:46 1. HRAS_085 7216 NOAM X Comp -1324211062.42 mm -45.422 mm 7.439 mm 7.598 mm 2. HRAS_085 7216 NOAM Y Comp -5332023121.04 mm -39.035 mm 26.360 mm 26.921 mm 3. HRAS_085 7216 NOAM Z Comp 3232118375.90 mm 68.897 mm 20.498 mm 20.935 mm HRAS_085 7216 U Comp 77.13 mm 77.126 mm 32.463 mm 29.237 mm HRAS_085 7216 E Comp -34.67 mm -34.675 mm 7.908 mm 7.122 mm HRAS_085 7216 N Comp 34.40 mm 34.396 mm 7.348 mm 6.618 mm 4. HRAS_085 CL 0 1981.09.23-18:00:45.576 24021.231 ns 0.372 ns 0.380 ns 5. HRAS_085 CL 1 1981.09.23-18:00:45.576 92.010 D-14 2.223 D-14 2.271 D-14 6. HRAS_085 CL 2 1981.09.23-18:00:45.576 1.265 D-14/day 1.898 D-14/day 1.938 D-14/day 31. HRAS_085 AT 0 1981.09.23-18:00:45.576 23.319 ps 93.858 ps 95.858 ps HRAS_085 Atm 1981.09.24-06:01:17.760 Avg: 14.857 ps Rms: 36.196 ps Tot_Rms: 39.127 ps || Nat: 225 Dura: 86520.0 sec Tzd_avg: 6938.9 Tzd_rms: 38.6 Wzd_avg: 556.1 Wzd_rms: 36.2 ps Prs_avg: 84264. Pa Tem_avg: 19.8 C Stm_avg: -0.5 C Stm_rms: 2.0 K Spr_avg: 84. Spr_rms: 64. Pa 104. HRAS_085 NG 1981.09.23-17:59:45.576 -0.000 mm 0.422 mm 0.431 mm 105. HRAS_085 EG 1981.09.23-17:59:45.576 0.001 mm 0.422 mm 0.431 mm 106. HRAS_085 NG 1981.09.24-01:59:45.576 -0.006 mm 0.377 mm 0.385 mm 107. HRAS_085 EG 1981.09.24-01:59:45.576 -0.011 mm 0.377 mm 0.385 mm 108. HRAS_085 NG 1981.09.24-09:59:45.576 -0.008 mm 0.377 mm 0.385 mm 109. HRAS_085 EG 1981.09.24-09:59:45.576 0.003 mm 0.377 mm 0.385 mm 110. HRAS_085 NG 1981.09.24-17:59:45.576 -0.002 mm 0.422 mm 0.431 mm 111. HRAS_085 EG 1981.09.24-17:59:45.576 -0.001 mm 0.422 mm 0.431 mm 112. WESTFORD 7209 NOAM X Comp 1492206588.42 mm 45.422 mm 7.439 mm 7.598 mm 113. WESTFORD 7209 NOAM Y Comp -4458130482.96 mm 39.035 mm 26.360 mm 26.921 mm 114. WESTFORD 7209 NOAM Z Comp 4296015478.10 mm -68.897 mm 20.498 mm 20.935 mm WESTFORD 7209 U Comp -63.28 mm -63.278 mm 31.329 mm 28.216 mm WESTFORD 7209 E Comp 55.46 mm 55.464 mm 12.582 mm 11.332 mm WESTFORD 7209 N Comp -35.40 mm -35.404 mm 5.527 mm 4.978 mm 115. WESTFORD AT 0 1981.09.23-18:00:45.576 -37.487 ps 81.524 ps 83.261 ps WESTFORD Atm 1981.09.24-06:01:17.760 Avg: 21.663 ps Rms: 32.094 ps Tot_Rms: 38.721 ps || Nat: 225 Dura: 86520.0 sec Tzd_avg: 7844.4 Tzd_rms: 55.0 Wzd_avg: 307.9 Wzd_rms: 50.4 ps Prs_avg: 99629. Pa Tem_avg: 9.9 C Stm_avg: 2.0 C Stm_rms: 1.1 K Spr_avg: 237. Spr_rms: 86. Pa 188. WESTFORD NG 1981.09.23-17:59:45.576 -0.000 mm 0.422 mm 0.431 mm 189. WESTFORD EG 1981.09.23-17:59:45.576 0.000 mm 0.422 mm 0.431 mm 190. WESTFORD NG 1981.09.24-01:59:45.576 -0.001 mm 0.377 mm 0.385 mm 191. WESTFORD EG 1981.09.24-01:59:45.576 0.006 mm 0.377 mm 0.385 mm 192. WESTFORD NG 1981.09.24-09:59:45.576 0.001 mm 0.377 mm 0.385 mm 193. WESTFORD EG 1981.09.24-09:59:45.576 -0.002 mm 0.377 mm 0.385 mm 194. WESTFORD NG 1981.09.24-17:59:45.576 -0.002 mm 0.422 mm 0.431 mm 195. WESTFORD EG 1981.09.24-17:59:45.576 0.004 mm 0.422 mm 0.431 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.66 ps/h NRMS 0.21 share 0.94 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.98 ps/h NRMS 0.20 share 0.92 count 73 Overall RMS 10.32 ps/h NRMS 0.21 share 0.93 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.33 D-14 NRMS 0.87 share 0.35 count 25 Overall RMS 4.33 D-14 NRMS 0.87 share 0.35 count 25 196. UT1-TAI 1, 1981.09.24-06:02:00.000 -2.2433 ms/d -6.41 micros/d 306.67 micros/d 313.21 micros/d EOP epoch (TDT) MJD: 44871.251761 NUT epoch (TDT) MJD: 44871.280664 197. Nutation DPSI wrt apriori model 1981.09.24-06:01:46.056 1.337 mas 3825.0 microasec 3906.5 microasec Nutation Dx wrt apriori model 1981.09.24-06:01:46.056 0.528 mas 1517.2 microasec 1549.5 microasec Nutation DPSI wrt Wahr 1980 model 1981.09.24-06:01:46.056 -2.116 mas 3825.0 microasec 3906.5 microasec 198. Nutation DEPS wrt apriori model 1981.09.24-06:01:46.056 0.825 mas 1089.1 microasec 1112.3 microasec Nutation Dy wrt apriori model 1981.09.24-06:01:46.056 0.827 mas 1095.3 microasec 1118.6 microasec Nutation DEPS wrt Wahr 1980 model 1981.09.24-06:01:46.056 -0.564 mas 1089.1 microasec 1112.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1423 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.09.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928032.82 16.32 3134928032.82 16.32 96.13 10.07 144.53 65.68 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:18 Correlator type: Unknown Experiment code: pol028 Mark-3 db_name: $81SEP30X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19810930_a Ver 2 pol028 Matrix Condition Number = 2.312823126117300E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.6 4.1 841.2 1.2 28.1 22.6 WESTFORD MET 6.4 2.8 1002.8 1.2 20.6 19.5 Run 26091-1735 200 Observation Pairs Available Session started on: 2444878.250900 1981.09.30 18:01:17.760 UTC Nominal duration: 86728.320 sec 01 00:05:28.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 144 73.151 ps 0.86 0.9825 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 154 Number of potentially good observations with QC 5-9: 154 Number of used observations: 144 ( 93.51%) Number of suppressed observations: 10 ( 6.49%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 144 154 73.151 0.86 19810930_a pol028 1981.10.01-06:04:01.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 81.729 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 0212+735 J0217+7349 7 7 15 134.061 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 0234+285 J0237+2848 15 15 15 95.716 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 0552+398 J0555+3948 15 16 16 88.703 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 1637+574 J1638+5720 10 10 17 165.704 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 2134+00 J2136+0041 9 9 16 78.552 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 3C273B J1229+0203 1 1 7 153.031 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 3C345 J1642+3948 15 17 17 31.509 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 3C454.3 J2253+1608 7 8 15 36.082 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: 4C39.25 J0927+3902 4 4 11 64.732 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: NRAO150 J0359+5057 15 15 15 63.929 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: OJ287 J0854+2006 11 13 13 76.740 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: OQ208 J1407+2827 9 11 15 124.794 19810930_a pol028 1981.10.01-06:04:01.920 SRC_STAT: VR422201 J2202+4216 11 13 13 66.722 19810930_a pol028 1981.10.01-06:04:01.920 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.10.01-06:03:29 1. HRAS_085 7216 NOAM X Comp -1324211057.61 mm -40.608 mm 6.479 mm 6.422 mm 2. HRAS_085 7216 NOAM Y Comp -5332023092.43 mm -10.427 mm 25.078 mm 24.858 mm 3. HRAS_085 7216 NOAM Z Comp 3232118359.02 mm 52.017 mm 19.467 mm 19.296 mm HRAS_085 7216 U Comp 43.64 mm 43.636 mm 30.981 mm 26.712 mm HRAS_085 7216 E Comp -36.90 mm -36.897 mm 6.134 mm 5.288 mm HRAS_085 7216 N Comp 34.61 mm 34.612 mm 7.239 mm 6.242 mm 4. HRAS_085 CL 0 1981.09.30-18:00:45.576 24480.244 ns 0.364 ns 0.361 ns 5. HRAS_085 CL 1 1981.09.30-18:00:45.576 86.307 D-14 2.195 D-14 2.176 D-14 6. HRAS_085 CL 2 1981.09.30-18:00:45.576 0.151 D-14/day 1.878 D-14/day 1.862 D-14/day 32. HRAS_085 AT 0 1981.09.30-18:00:45.576 27.201 ps 94.168 ps 93.339 ps HRAS_085 Atm 1981.10.01-06:31:17.760 Avg: -1.266 ps Rms: 16.451 ps Tot_Rms: 16.499 ps || Nat: 200 Dura: 86735.0 sec Tzd_avg: 6918.6 Tzd_rms: 55.5 Wzd_avg: 549.9 Wzd_rms: 53.5 ps Prs_avg: 84120. Pa Tem_avg: 16.7 C Stm_avg: -3.1 C Stm_rms: 1.5 K Spr_avg: 129. Spr_rms: 53. Pa 108. HRAS_085 NG 1981.09.30-17:59:45.576 -0.006 mm 0.422 mm 0.419 mm 109. HRAS_085 EG 1981.09.30-17:59:45.576 -0.010 mm 0.422 mm 0.419 mm 110. HRAS_085 NG 1981.10.01-01:59:45.576 -0.008 mm 0.377 mm 0.374 mm 111. HRAS_085 EG 1981.10.01-01:59:45.576 -0.016 mm 0.377 mm 0.374 mm 112. HRAS_085 NG 1981.10.01-09:59:45.576 0.001 mm 0.377 mm 0.374 mm 113. HRAS_085 EG 1981.10.01-09:59:45.576 0.002 mm 0.377 mm 0.374 mm 114. HRAS_085 NG 1981.10.01-17:59:45.576 0.002 mm 0.422 mm 0.419 mm 115. HRAS_085 EG 1981.10.01-17:59:45.576 0.009 mm 0.422 mm 0.419 mm 116. WESTFORD 7209 NOAM X Comp 1492206583.61 mm 40.608 mm 6.479 mm 6.422 mm 117. WESTFORD 7209 NOAM Y Comp -4458130511.57 mm 10.427 mm 25.078 mm 24.858 mm 118. WESTFORD 7209 NOAM Z Comp 4296015494.98 mm -52.017 mm 19.467 mm 19.296 mm WESTFORD 7209 U Comp -33.01 mm -33.009 mm 29.420 mm 25.366 mm WESTFORD 7209 E Comp 41.82 mm 41.817 mm 12.271 mm 10.580 mm WESTFORD 7209 N Comp -40.31 mm -40.314 mm 5.809 mm 5.008 mm 119. WESTFORD AT 0 1981.09.30-18:00:45.576 -83.365 ps 70.393 ps 69.774 ps WESTFORD Atm 1981.10.01-06:31:17.760 Avg: 10.248 ps Rms: 42.320 ps Tot_Rms: 43.543 ps || Nat: 200 Dura: 86735.0 sec Tzd_avg: 7769.1 Tzd_rms: 86.2 Wzd_avg: 184.5 Wzd_rms: 96.5 ps Prs_avg: 100281. Pa Tem_avg: 6.5 C Stm_avg: -1.2 C Stm_rms: 1.2 K Spr_avg: 313. Spr_rms: 56. Pa 195. WESTFORD NG 1981.09.30-17:59:45.576 -0.003 mm 0.422 mm 0.419 mm 196. WESTFORD EG 1981.09.30-17:59:45.576 0.010 mm 0.422 mm 0.418 mm 197. WESTFORD NG 1981.10.01-01:59:45.576 -0.012 mm 0.377 mm 0.374 mm 198. WESTFORD EG 1981.10.01-01:59:45.576 0.011 mm 0.377 mm 0.374 mm 199. WESTFORD NG 1981.10.01-09:59:45.576 -0.015 mm 0.377 mm 0.374 mm 200. WESTFORD EG 1981.10.01-09:59:45.576 -0.008 mm 0.377 mm 0.374 mm 201. WESTFORD NG 1981.10.01-17:59:45.576 -0.005 mm 0.422 mm 0.419 mm 202. WESTFORD EG 1981.10.01-17:59:45.576 -0.006 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.13 ps/h NRMS 0.16 share 0.94 count 76 2. WESTFORD Input 50.00 ps/h RMS 13.84 ps/h NRMS 0.28 share 0.91 count 76 Overall RMS 11.35 ps/h NRMS 0.23 share 0.93 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.05 D-14 NRMS 0.61 share 0.37 count 26 Overall RMS 3.05 D-14 NRMS 0.61 share 0.37 count 26 203. UT1-TAI 1, 1981.10.01-06:04:00.000 -1.8504 ms/d 460.31 micros/d 356.58 micros/d 353.44 micros/d EOP epoch (TDT) MJD: 44878.253150 NUT epoch (TDT) MJD: 44878.242006 204. Nutation DPSI wrt apriori model 1981.10.01-06:03:29.736 -1.465 mas 3589.6 microasec 3558.1 microasec Nutation Dx wrt apriori model 1981.10.01-06:03:29.736 -0.584 mas 1422.9 microasec 1410.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.10.01-06:03:29.736 -4.127 mas 3589.6 microasec 3558.1 microasec 205. Nutation DEPS wrt apriori model 1981.10.01-06:03:29.736 0.373 mas 1242.5 microasec 1231.5 microasec Nutation Dy wrt apriori model 1981.10.01-06:03:29.736 0.370 mas 1248.3 microasec 1237.3 microasec Nutation DEPS wrt Wahr 1980 model 1981.10.01-06:03:29.736 -0.488 mas 1242.5 microasec 1231.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0862 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.10.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928019.67 14.67 3134928019.67 14.67 98.80 10.69 78.75 62.21 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:21 Correlator type: Unknown Experiment code: pol029 Mark-3 db_name: $81OCT15X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811015_a Ver 2 pol029 Matrix Condition Number = 2.922685929403805E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.9 3.2 839.9 0.9 57.9 0.4 WESTFORD MET 9.5 4.2 1005.5 3.3 32.8 11.3 Run 26091-1735 228 Observation Pairs Available Session started on: 2444893.252700 1981.10.15 18:03:53.280 UTC Nominal duration: 86935.680 sec 01 00:08:55.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 179 87.419 ps 0.91 1.0424 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 183 Number of potentially good observations with QC 5-9: 183 Number of used observations: 179 ( 97.81%) Number of suppressed observations: 4 ( 2.19%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 179 183 87.419 0.91 19811015_a pol029 1981.10.16-06:08:21.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 14 77.699 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 0212+735 J0217+7349 9 10 14 111.699 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 0234+285 J0237+2848 13 13 14 126.979 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 0552+398 J0555+3948 17 17 19 73.220 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 0742+103 J0745+1011 13 13 14 138.478 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 1637+574 J1638+5720 12 12 21 176.276 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 2134+00 J2136+0041 7 7 15 122.882 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 3C273B J1229+0203 12 15 15 59.486 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 3C345 J1642+3948 23 23 23 51.452 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 3C454.3 J2253+1608 10 10 15 56.226 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: 4C39.25 J0927+3902 7 7 15 121.698 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: NRAO150 J0359+5057 14 14 15 60.189 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: OQ208 J1407+2827 18 18 22 121.513 19811015_a pol029 1981.10.16-06:08:21.120 SRC_STAT: VR422201 J2202+4216 11 11 12 105.520 19811015_a pol029 1981.10.16-06:08:21.120 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.10.16-06:07:48 1. HRAS_085 7216 NOAM X Comp -1324211067.26 mm -50.261 mm 8.126 mm 8.297 mm 2. HRAS_085 7216 NOAM Y Comp -5332023232.65 mm -150.646 mm 28.841 mm 29.446 mm 3. HRAS_085 7216 NOAM Z Comp 3232118403.52 mm 96.520 mm 19.966 mm 20.385 mm HRAS_085 7216 U Comp 185.41 mm 185.406 mm 35.115 mm 31.809 mm HRAS_085 7216 E Comp -12.47 mm -12.470 mm 6.048 mm 5.479 mm HRAS_085 7216 N Comp 2.37 mm 2.369 mm 5.183 mm 4.695 mm 4. HRAS_085 CL 0 1981.10.15-18:03:21.096 25591.554 ns 0.371 ns 0.379 ns 5. HRAS_085 CL 1 1981.10.15-18:03:21.096 77.923 D-14 2.153 D-14 2.198 D-14 6. HRAS_085 CL 2 1981.10.15-18:03:21.096 6.977 D-14/day 1.832 D-14/day 1.871 D-14/day 32. HRAS_085 AT 0 1981.10.15-18:03:21.096 -162.293 ps 124.975 ps 127.596 ps HRAS_085 Atm 1981.10.16-06:33:53.280 Avg: -169.777 ps Rms: 13.753 ps Tot_Rms: 170.333 ps || Nat: 228 Dura: 86940.0 sec Tzd_avg: 6744.6 Tzd_rms: 34.8 Wzd_avg: 371.6 Wzd_rms: 35.1 ps Prs_avg: 83986. Pa Tem_avg: 17.8 C Stm_avg: 0.0 C Stm_rms: 1.6 K Spr_avg: 15. Spr_rms: 65. Pa 108. HRAS_085 NG 1981.10.15-18:02:21.096 -0.005 mm 0.422 mm 0.431 mm 109. HRAS_085 EG 1981.10.15-18:02:21.096 -0.003 mm 0.422 mm 0.431 mm 110. HRAS_085 NG 1981.10.16-02:02:21.096 -0.005 mm 0.377 mm 0.385 mm 111. HRAS_085 EG 1981.10.16-02:02:21.096 -0.013 mm 0.377 mm 0.385 mm 112. HRAS_085 NG 1981.10.16-10:02:21.096 -0.005 mm 0.377 mm 0.385 mm 113. HRAS_085 EG 1981.10.16-10:02:21.096 0.002 mm 0.377 mm 0.385 mm 114. HRAS_085 NG 1981.10.16-18:02:21.096 -0.003 mm 0.422 mm 0.431 mm 115. HRAS_085 EG 1981.10.16-18:02:21.096 0.002 mm 0.422 mm 0.431 mm 116. WESTFORD 7209 NOAM X Comp 1492206593.26 mm 50.261 mm 8.126 mm 8.297 mm 117. WESTFORD 7209 NOAM Y Comp -4458130371.35 mm 150.646 mm 28.841 mm 29.446 mm 118. WESTFORD 7209 NOAM Z Comp 4296015450.48 mm -96.520 mm 19.966 mm 20.385 mm WESTFORD 7209 U Comp -158.74 mm -158.741 mm 32.171 mm 29.142 mm WESTFORD 7209 E Comp 95.48 mm 95.479 mm 15.438 mm 13.985 mm WESTFORD 7209 N Comp 14.89 mm 14.885 mm 4.816 mm 4.363 mm 119. WESTFORD AT 0 1981.10.15-18:03:21.096 -28.063 ps 66.757 ps 68.157 ps WESTFORD Atm 1981.10.16-06:33:53.280 Avg: -13.591 ps Rms: 59.798 ps Tot_Rms: 61.323 ps || Nat: 228 Dura: 86940.0 sec Tzd_avg: 7847.9 Tzd_rms: 77.8 Wzd_avg: 250.4 Wzd_rms: 102.8 ps Prs_avg: 100544. Pa Tem_avg: 9.5 C Stm_avg: -0.8 C Stm_rms: 1.5 K Spr_avg: 375. Spr_rms: 80. Pa 195. WESTFORD NG 1981.10.15-18:02:21.096 -0.009 mm 0.422 mm 0.431 mm 196. WESTFORD EG 1981.10.15-18:02:21.096 0.002 mm 0.422 mm 0.431 mm 197. WESTFORD NG 1981.10.16-02:02:21.096 -0.014 mm 0.377 mm 0.385 mm 198. WESTFORD EG 1981.10.16-02:02:21.096 0.021 mm 0.377 mm 0.385 mm 199. WESTFORD NG 1981.10.16-10:02:21.096 -0.004 mm 0.377 mm 0.385 mm 200. WESTFORD EG 1981.10.16-10:02:21.096 -0.015 mm 0.377 mm 0.385 mm 201. WESTFORD NG 1981.10.16-18:02:21.096 -0.002 mm 0.422 mm 0.431 mm 202. WESTFORD EG 1981.10.16-18:02:21.096 0.005 mm 0.422 mm 0.431 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.23 ps/h NRMS 0.22 share 0.94 count 76 2. WESTFORD Input 50.00 ps/h RMS 22.99 ps/h NRMS 0.46 share 0.90 count 76 Overall RMS 18.09 ps/h NRMS 0.36 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.22 D-14 NRMS 0.84 share 0.31 count 26 Overall RMS 4.22 D-14 NRMS 0.84 share 0.31 count 26 203. UT1-TAI 1, 1981.10.16-06:08:00.000 -2.9189 ms/d -400.73 micros/d 245.40 micros/d 250.54 micros/d EOP epoch (TDT) MJD: 44893.255928 NUT epoch (TDT) MJD: 44893.251741 204. Nutation DPSI wrt apriori model 1981.10.16-06:07:48.936 0.289 mas 2890.6 microasec 2951.2 microasec Nutation Dx wrt apriori model 1981.10.16-06:07:48.936 0.114 mas 1146.3 microasec 1170.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.10.16-06:07:48.936 -1.164 mas 2890.6 microasec 2951.2 microasec 205. Nutation DEPS wrt apriori model 1981.10.16-06:07:48.936 0.108 mas 883.7 microasec 902.2 microasec Nutation Dy wrt apriori model 1981.10.16-06:07:48.936 0.108 mas 888.3 microasec 907.0 microasec Nutation DEPS wrt Wahr 1980 model 1981.10.16-06:07:48.936 -0.492 mas 883.7 microasec 902.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1255 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.10.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928084.99 18.04 3134928084.99 18.04 18.73 7.46 354.91 69.32 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:24 Correlator type: Unknown Experiment code: pol030 Mark-3 db_name: $81OCT21XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811021_a Ver 2 pol030 Matrix Condition Number = 2.276668519451904E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 9.7 6.7 843.4 1.8 39.0 27.4 ONSALA60 MET 5.6 1.3 1013.7 1.9 83.2 1.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 13.8 3.9 1015.5 0.7 30.7 0.6 Run 26091-1735 552 Observation Pairs Available Session started on: 2444899.252700 1981.10.21 18:03:53.280 UTC Nominal duration: 85942.080 sec 00 23:52:22.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 128 67.350 ps 0.75 0.9644 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 136 Number of potentially good observations with QC 5-9: 136 Number of used observations: 128 ( 94.12%) Number of suppressed observations: 8 ( 5.88%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 24 24 65.001 0.72 19811021_a pol030 1981.10.22-06:00:04.3 BAS_STAT HRAS_085 WESTFORD 63 71 79.243 0.81 19811021_a pol030 1981.10.22-06:00:04.3 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 41 41 54.304 0.69 19811021_a pol030 1981.10.22-06:00:04.3 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19811021_a pol030 ONSALA85 WESTFORD 0/ 0 deselected baseline 19811021_a pol030 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 11 25 60.280 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 0212+735 J0217+7349 9 9 55 140.701 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 0234+285 J0237+2848 10 10 25 115.615 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 0552+398 J0555+3948 9 9 41 166.384 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 0742+103 J0745+1011 7 7 27 117.886 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 1637+574 J1638+5720 1 3 67 91.950 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 2134+00 J2136+0041 8 8 29 132.785 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 3C273B J1229+0203 9 9 20 32.119 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 3C345 J1642+3948 17 18 55 55.373 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 3C454.3 J2253+1608 7 7 31 19.253 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: 4C39.25 J0927+3902 5 5 39 112.049 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: NRAO150 J0359+5057 11 11 50 79.190 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: OQ208 J1407+2827 9 11 32 135.653 19811021_a pol030 1981.10.22-06:00:04.320 SRC_STAT: VR422201 J2202+4216 16 18 56 43.194 19811021_a pol030 1981.10.22-06:00:04.320 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.10.22-05:59:32 1. HRAS_085 7216 NOAM X Comp -1324211084.36 mm -67.356 mm 18.875 mm 18.536 mm 2. HRAS_085 7216 NOAM Y Comp -5332023054.24 mm 27.756 mm 52.635 mm 51.690 mm 3. HRAS_085 7216 NOAM Z Comp 3232118435.60 mm 128.600 mm 45.324 mm 44.510 mm HRAS_085 7216 U Comp 56.32 mm 56.325 mm 66.201 mm 49.970 mm HRAS_085 7216 E Comp -72.06 mm -72.060 mm 18.155 mm 13.704 mm HRAS_085 7216 N Comp 116.10 mm 116.103 mm 21.652 mm 16.344 mm 4. HRAS_085 CL 0 1981.10.21-18:03:21.096 25986.554 ns 0.470 ns 0.462 ns 5. HRAS_085 CL 1 1981.10.21-18:03:21.096 105.292 D-14 2.191 D-14 2.152 D-14 6. HRAS_085 CL 2 1981.10.21-18:03:21.096 6.551 D-14/day 1.912 D-14/day 1.878 D-14/day 31. HRAS_085 AT 0 1981.10.21-18:03:21.096 -137.339 ps 145.141 ps 142.535 ps HRAS_085 Atm 1981.10.22-06:03:53.280 Avg: -113.805 ps Rms: 17.400 ps Tot_Rms: 115.127 ps || Nat: 142 Dura: 84960.0 sec Tzd_avg: 6895.7 Tzd_rms: 42.7 Wzd_avg: 504.0 Wzd_rms: 47.5 ps Prs_avg: 84364. Pa Tem_avg: 9.0 C Stm_avg: -3.1 C Stm_rms: 3.4 K Spr_avg: 93. Spr_rms: 128. Pa 104. HRAS_085 NG 1981.10.21-18:02:21.096 0.002 mm 0.422 mm 0.415 mm 105. HRAS_085 EG 1981.10.21-18:02:21.096 -0.004 mm 0.422 mm 0.415 mm 106. HRAS_085 NG 1981.10.22-02:02:21.096 -0.000 mm 0.377 mm 0.370 mm 107. HRAS_085 EG 1981.10.22-02:02:21.096 -0.002 mm 0.377 mm 0.370 mm 108. HRAS_085 NG 1981.10.22-10:02:21.096 -0.007 mm 0.377 mm 0.370 mm 109. HRAS_085 EG 1981.10.22-10:02:21.096 0.005 mm 0.377 mm 0.370 mm 110. HRAS_085 NG 1981.10.22-18:02:21.096 -0.001 mm 0.422 mm 0.415 mm 111. HRAS_085 EG 1981.10.22-18:02:21.096 -0.003 mm 0.422 mm 0.415 mm 112. ONSALA60 7213 EURA X Comp 3370606024.62 mm 35.619 mm 32.575 mm 31.990 mm 113. ONSALA60 7213 EURA Y Comp 711917353.66 mm -175.335 mm 30.336 mm 29.791 mm 114. ONSALA60 7213 EURA Z Comp 5349830682.69 mm -83.312 mm 50.716 mm 49.805 mm ONSALA60 7213 U Comp -70.93 mm -70.929 mm 55.415 mm 41.829 mm ONSALA60 7213 E Comp -178.91 mm -178.911 mm 32.749 mm 24.720 mm ONSALA60 7213 N Comp -43.73 mm -43.725 mm 20.251 mm 15.286 mm 115. ONSALA60 CL 0 1981.10.21-18:03:21.096 9357.630 ns 0.348 ns 0.341 ns 116. ONSALA60 CL 1 1981.10.21-18:03:21.096 58.908 D-14 2.211 D-14 2.171 D-14 117. ONSALA60 CL 2 1981.10.21-18:03:21.096 4.380 D-14/day 1.925 D-14/day 1.891 D-14/day 142. ONSALA60 AT 0 1981.10.21-18:03:21.096 -52.359 ps 85.193 ps 83.663 ps ONSALA60 Atm 1981.10.22-06:03:53.280 Avg: -14.229 ps Rms: 22.135 ps Tot_Rms: 26.314 ps || Nat: 145 Dura: 85945.0 sec Tzd_avg: 7866.0 Tzd_rms: 5.5 Wzd_avg: 254.8 Wzd_rms: 16.4 ps Prs_avg: 101371. Pa Tem_avg: 5.6 C Stm_avg: -2.0 C Stm_rms: 1.5 K Spr_avg: 882. Spr_rms: 95. Pa 215. ONSALA60 NG 1981.10.21-18:02:21.096 0.004 mm 0.422 mm 0.415 mm 216. ONSALA60 EG 1981.10.21-18:02:21.096 -0.005 mm 0.422 mm 0.415 mm 217. ONSALA60 NG 1981.10.22-02:02:21.096 -0.002 mm 0.377 mm 0.370 mm 218. ONSALA60 EG 1981.10.22-02:02:21.096 0.012 mm 0.377 mm 0.370 mm 219. ONSALA60 NG 1981.10.22-10:02:21.096 -0.000 mm 0.377 mm 0.370 mm 220. ONSALA60 EG 1981.10.22-10:02:21.096 -0.002 mm 0.377 mm 0.370 mm 221. ONSALA60 NG 1981.10.22-18:02:21.096 0.003 mm 0.422 mm 0.415 mm 222. ONSALA60 EG 1981.10.22-18:02:21.096 -0.002 mm 0.422 mm 0.415 mm 223. WESTFORD 7209 NOAM X Comp 1492206574.74 mm 31.737 mm 20.932 mm 20.556 mm 224. WESTFORD 7209 NOAM Y Comp -4458130374.42 mm 147.579 mm 32.898 mm 32.307 mm 225. WESTFORD 7209 NOAM Z Comp 4296015501.71 mm -45.287 mm 30.440 mm 29.894 mm WESTFORD 7209 U Comp -126.24 mm -126.242 mm 41.947 mm 31.663 mm WESTFORD 7209 E Comp 76.94 mm 76.939 mm 23.057 mm 17.404 mm WESTFORD 7209 N Comp 54.60 mm 54.601 mm 12.482 mm 9.422 mm 226. WESTFORD AT 0 1981.10.21-18:03:21.096 2.257 ps 61.403 ps 60.300 ps WESTFORD Atm 1981.10.22-06:03:53.280 Avg: 5.134 ps Rms: 8.185 ps Tot_Rms: 9.662 ps || Nat: 205 Dura: 85945.0 sec Tzd_avg: 7984.1 Tzd_rms: 15.0 Wzd_avg: 311.0 Wzd_rms: 15.8 ps Prs_avg: 101547. Pa Tem_avg: 13.9 C Stm_avg: 2.5 C Stm_rms: 0.8 K Spr_avg: 354. Spr_rms: 47. Pa 299. WESTFORD NG 1981.10.21-18:02:21.096 0.003 mm 0.422 mm 0.415 mm 300. WESTFORD EG 1981.10.21-18:02:21.096 0.004 mm 0.422 mm 0.414 mm 301. WESTFORD NG 1981.10.22-02:02:21.096 -0.004 mm 0.377 mm 0.370 mm 302. WESTFORD EG 1981.10.22-02:02:21.096 -0.009 mm 0.377 mm 0.370 mm 303. WESTFORD NG 1981.10.22-10:02:21.096 0.011 mm 0.377 mm 0.370 mm 304. WESTFORD EG 1981.10.22-10:02:21.096 -0.016 mm 0.377 mm 0.370 mm 305. WESTFORD NG 1981.10.22-18:02:21.096 0.002 mm 0.422 mm 0.415 mm 306. WESTFORD EG 1981.10.22-18:02:21.096 0.001 mm 0.422 mm 0.415 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 6.63 ps/h NRMS 0.13 share 0.96 count 73 2. ONSALA60 Input 50.00 ps/h RMS 10.37 ps/h NRMS 0.21 share 0.93 count 73 4. WESTFORD Input 50.00 ps/h RMS 10.57 ps/h NRMS 0.21 share 0.90 count 73 Overall RMS 9.37 ps/h NRMS 0.19 share 0.93 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.56 D-14 NRMS 0.51 share 0.47 count 25 2. ONSALA60 Input 5.00 D-14 RMS 2.60 D-14 NRMS 0.52 share 0.56 count 25 Overall RMS 2.58 D-14 NRMS 0.52 share 0.52 count 50 307. UT1-TAI 1, 1981.10.22-06:00:00.000 -2.3838 ms/d -38.15 micros/d 207.26 micros/d 203.54 micros/d EOP epoch (TDT) MJD: 44899.250373 NUT epoch (TDT) MJD: 44899.164998 308. Nutation DPSI wrt apriori model 1981.10.22-05:59:32.136 -1.509 mas 3065.6 microasec 3010.6 microasec Nutation Dx wrt apriori model 1981.10.22-05:59:32.136 -0.596 mas 1216.1 microasec 1194.3 microasec Nutation DPSI wrt Wahr 1980 model 1981.10.22-05:59:32.136 -2.579 mas 3065.6 microasec 3010.6 microasec 309. Nutation DEPS wrt apriori model 1981.10.22-05:59:32.136 -1.056 mas 839.1 microasec 824.0 microasec Nutation Dy wrt apriori model 1981.10.22-05:59:32.136 -1.059 mas 844.1 microasec 828.9 microasec Nutation DEPS wrt Wahr 1980 model 1981.10.22-05:59:32.136 -1.337 mas 839.1 microasec 824.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1855 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.10.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732239.70 59.22 7940732239.70 59.22 263.89 24.52 67.50 113.64 HRAS_085 7216 to WESTFORD 7209 3134928039.62 24.96 3134928039.62 24.96 102.92 12.57 199.50 99.61 ONSALA60 7213 to WESTFORD 7209 5600741418.75 28.34 5600741418.75 28.34 87.90 20.31 75.05 87.20 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:27 Correlator type: Unknown Experiment code: pol031 Mark-3 db_name: $81OCT28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811028_a Ver 2 pol031 Matrix Condition Number = 1.957484046392211E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.6 5.9 839.6 1.1 24.1 2.4 WESTFORD MET 8.1 2.2 1014.7 5.7 70.8 18.0 Run 26091-1735 183 Observation Pairs Available Session started on: 2444906.253000 1981.10.28 18:04:19.200 UTC Nominal duration: 86451.840 sec 01 00:00:51.840 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 150 62.622 ps 0.86 1.0072 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 151 Number of potentially good observations with QC 5-9: 151 Number of used observations: 150 ( 99.34%) Number of suppressed observations: 1 ( 0.66%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 150 151 62.622 0.86 19811028_a pol031 1981.10.29-06:04:45.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 14 48.597 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 0212+735 J0217+7349 9 9 11 110.444 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 0234+285 J0237+2848 13 13 13 85.308 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 0552+398 J0555+3948 13 13 14 106.344 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 0742+103 J0745+1011 9 9 9 119.622 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 1637+574 J1638+5720 9 9 17 173.102 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 2134+00 J2136+0041 8 8 14 140.371 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 3C273B J1229+0203 11 11 11 20.343 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 3C345 J1642+3948 19 19 19 36.021 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 3C454.3 J2253+1608 9 9 14 41.527 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: 4C39.25 J0927+3902 5 5 11 51.958 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: NRAO150 J0359+5057 12 12 12 45.970 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: OQ208 J1407+2827 10 11 13 124.715 19811028_a pol031 1981.10.29-06:04:45.120 SRC_STAT: VR422201 J2202+4216 10 10 11 50.850 19811028_a pol031 1981.10.29-06:04:45.120 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.10.29-06:04:12 1. HRAS_085 7216 NOAM X Comp -1324211058.12 mm -41.124 mm 6.269 mm 6.292 mm 2. HRAS_085 7216 NOAM Y Comp -5332023075.80 mm 6.196 mm 23.401 mm 23.485 mm 3. HRAS_085 7216 NOAM Z Comp 3232118361.56 mm 54.560 mm 17.146 mm 17.208 mm HRAS_085 7216 U Comp 31.16 mm 31.158 mm 28.540 mm 24.682 mm HRAS_085 7216 E Comp -41.40 mm -41.405 mm 6.469 mm 5.594 mm HRAS_085 7216 N Comp 44.96 mm 44.958 mm 4.953 mm 4.284 mm 4. HRAS_085 CL 0 1981.10.28-18:03:47.016 26766.517 ns 0.304 ns 0.305 ns 5. HRAS_085 CL 1 1981.10.28-18:03:47.016 45.718 D-14 2.144 D-14 2.152 D-14 6. HRAS_085 CL 2 1981.10.28-18:03:47.016 4.101 D-14/day 1.850 D-14/day 1.857 D-14/day 31. HRAS_085 AT 0 1981.10.28-18:03:47.016 -9.320 ps 92.302 ps 92.635 ps HRAS_085 Atm 1981.10.29-06:04:19.200 Avg: 33.601 ps Rms: 22.507 ps Tot_Rms: 40.442 ps || Nat: 183 Dura: 86460.0 sec Tzd_avg: 6579.0 Tzd_rms: 9.9 Wzd_avg: 208.9 Wzd_rms: 17.1 ps Prs_avg: 83961. Pa Tem_avg: 13.6 C Stm_avg: -5.7 C Stm_rms: 3.8 K Spr_avg: 101. Spr_rms: 62. Pa 104. HRAS_085 NG 1981.10.28-18:02:47.016 -0.006 mm 0.422 mm 0.424 mm 105. HRAS_085 EG 1981.10.28-18:02:47.016 0.010 mm 0.422 mm 0.424 mm 106. HRAS_085 NG 1981.10.29-02:02:47.016 -0.004 mm 0.377 mm 0.378 mm 107. HRAS_085 EG 1981.10.29-02:02:47.016 0.002 mm 0.377 mm 0.378 mm 108. HRAS_085 NG 1981.10.29-10:02:47.016 -0.010 mm 0.377 mm 0.378 mm 109. HRAS_085 EG 1981.10.29-10:02:47.016 0.008 mm 0.377 mm 0.378 mm 110. HRAS_085 NG 1981.10.29-18:02:47.016 0.008 mm 0.422 mm 0.424 mm 111. HRAS_085 EG 1981.10.29-18:02:47.016 0.013 mm 0.422 mm 0.424 mm 112. WESTFORD 7209 NOAM X Comp 1492206584.12 mm 41.124 mm 6.269 mm 6.292 mm 113. WESTFORD 7209 NOAM Y Comp -4458130528.20 mm -6.196 mm 23.401 mm 23.485 mm 114. WESTFORD 7209 NOAM Z Comp 4296015492.44 mm -54.560 mm 17.146 mm 17.208 mm WESTFORD 7209 U Comp -23.01 mm -23.010 mm 27.188 mm 23.513 mm WESTFORD 7209 E Comp 37.03 mm 37.031 mm 11.191 mm 9.678 mm WESTFORD 7209 N Comp -52.97 mm -52.969 mm 4.060 mm 3.511 mm 115. WESTFORD AT 0 1981.10.28-18:03:47.016 -2.177 ps 56.426 ps 56.629 ps WESTFORD Atm 1981.10.29-06:04:19.200 Avg: 63.596 ps Rms: 53.596 ps Tot_Rms: 83.169 ps || Nat: 183 Dura: 86460.0 sec Tzd_avg: 7920.5 Tzd_rms: 90.8 Wzd_avg: 256.1 Wzd_rms: 138.7 ps Prs_avg: 101463. Pa Tem_avg: 8.1 C Stm_avg: 0.5 C Stm_rms: 2.3 K Spr_avg: 409. Spr_rms: 57. Pa 188. WESTFORD NG 1981.10.28-18:02:47.016 -0.000 mm 0.422 mm 0.424 mm 189. WESTFORD EG 1981.10.28-18:02:47.016 0.002 mm 0.422 mm 0.424 mm 190. WESTFORD NG 1981.10.29-02:02:47.016 0.004 mm 0.377 mm 0.378 mm 191. WESTFORD EG 1981.10.29-02:02:47.016 0.030 mm 0.377 mm 0.378 mm 192. WESTFORD NG 1981.10.29-10:02:47.016 0.007 mm 0.377 mm 0.378 mm 193. WESTFORD EG 1981.10.29-10:02:47.016 0.027 mm 0.377 mm 0.378 mm 194. WESTFORD NG 1981.10.29-18:02:47.016 -0.003 mm 0.422 mm 0.424 mm 195. WESTFORD EG 1981.10.29-18:02:47.016 0.008 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.63 ps/h NRMS 0.23 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 15.81 ps/h NRMS 0.32 share 0.89 count 73 Overall RMS 13.88 ps/h NRMS 0.28 share 0.91 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.84 D-14 NRMS 0.57 share 0.30 count 25 Overall RMS 2.84 D-14 NRMS 0.57 share 0.30 count 25 196. UT1-TAI 1, 1981.10.29-06:04:00.000 -2.2316 ms/d -1.85 micros/d 278.56 micros/d 279.57 micros/d EOP epoch (TDT) MJD: 44906.253150 NUT epoch (TDT) MJD: 44906.245485 197. Nutation DPSI wrt apriori model 1981.10.29-06:04:12.936 1.107 mas 2286.3 microasec 2294.5 microasec Nutation Dx wrt apriori model 1981.10.29-06:04:12.936 0.442 mas 905.3 microasec 908.6 microasec Nutation DPSI wrt Wahr 1980 model 1981.10.29-06:04:12.936 1.069 mas 2286.3 microasec 2294.5 microasec 198. Nutation DEPS wrt apriori model 1981.10.29-06:04:12.936 -0.357 mas 1024.1 microasec 1027.8 microasec Nutation Dy wrt apriori model 1981.10.29-06:04:12.936 -0.355 mas 1027.8 microasec 1031.5 microasec Nutation DEPS wrt Wahr 1980 model 1981.10.29-06:04:12.936 -0.058 mas 1024.1 microasec 1027.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1110 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.10.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928009.61 13.42 3134928009.61 13.42 120.95 6.98 55.51 57.40 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:30 Correlator type: Unknown Experiment code: pol032 Mark-3 db_name: $81NOV04XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811104_a Ver 2 pol032 Matrix Condition Number = 3.839566998859582E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 10.7 7.0 842.0 1.8 25.6 2.9 WESTFORD MET 8.4 4.9 1011.0 1.5 24.8 3.2 Run 26091-1735 138 Observation Pairs Available Session started on: 2444913.263100 1981.11.04 18:18:51.840 UTC Nominal duration: 85259.520 sec 00 23:40:59.520 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 84 72.888 ps 0.82 1.0113 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 84 Number of potentially good observations with QC 5-9: 84 Number of used observations: 84 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 84 84 72.888 0.82 19811104_a pol032 1981.11.05-06:09:21.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 3 3 9 37.673 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 0212+735 J0217+7349 4 4 6 151.835 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 0234+285 J0237+2848 7 7 10 57.562 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 0552+398 J0555+3948 10 10 11 89.366 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 0742+103 J0745+1011 8 8 13 104.124 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 1637+574 J1638+5720 5 5 12 206.081 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 2134+00 J2136+0041 6 6 8 108.739 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 3C273B J1229+0203 7 7 9 10.903 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 3C345 J1642+3948 10 10 13 38.244 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 3C454.3 J2253+1608 2 2 6 4.295 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: 4C39.25 J0927+3902 4 4 12 52.666 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: NRAO150 J0359+5057 7 7 11 87.760 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: OQ208 J1407+2827 8 8 11 128.535 19811104_a pol032 1981.11.05-06:09:21.600 SRC_STAT: VR422201 J2202+4216 3 3 7 57.448 19811104_a pol032 1981.11.05-06:09:21.600 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.11.05-06:08:49 1. HRAS_085 7216 NOAM X Comp -1324211082.79 mm -65.789 mm 9.424 mm 9.477 mm 2. HRAS_085 7216 NOAM Y Comp -5332023068.40 mm 13.600 mm 32.706 mm 32.890 mm 3. HRAS_085 7216 NOAM Z Comp 3232118358.27 mm 51.271 mm 24.098 mm 24.234 mm HRAS_085 7216 U Comp 28.41 mm 28.414 mm 40.110 mm 32.990 mm HRAS_085 7216 E Comp -67.13 mm -67.128 mm 8.357 mm 6.874 mm HRAS_085 7216 N Comp 42.76 mm 42.760 mm 7.781 mm 6.400 mm 4. HRAS_085 CL 0 1981.11.04-18:18:19.656 26381.551 ns 0.430 ns 0.432 ns 5. HRAS_085 CL 1 1981.11.04-18:18:19.656 37.581 D-14 2.228 D-14 2.240 D-14 6. HRAS_085 CL 2 1981.11.04-18:18:19.656 11.775 D-14/day 1.912 D-14/day 1.922 D-14/day 31. HRAS_085 AT 0 1981.11.04-18:18:19.656 -54.406 ps 114.574 ps 115.219 ps HRAS_085 Atm 1981.11.05-06:18:51.840 Avg: -45.682 ps Rms: 5.780 ps Tot_Rms: 46.046 ps || Nat: 138 Dura: 85260.0 sec Tzd_avg: 6581.9 Tzd_rms: 32.8 Wzd_avg: 196.7 Wzd_rms: 41.4 ps Prs_avg: 84200. Pa Tem_avg: 10.6 C Stm_avg: -7.9 C Stm_rms: 5.7 K Spr_avg: 146. Spr_rms: 85. Pa 104. HRAS_085 NG 1981.11.04-18:17:19.656 -0.010 mm 0.422 mm 0.425 mm 105. HRAS_085 EG 1981.11.04-18:17:19.656 -0.006 mm 0.422 mm 0.425 mm 106. HRAS_085 NG 1981.11.05-02:17:19.656 0.001 mm 0.377 mm 0.379 mm 107. HRAS_085 EG 1981.11.05-02:17:19.656 -0.000 mm 0.377 mm 0.379 mm 108. HRAS_085 NG 1981.11.05-10:17:19.656 -0.002 mm 0.377 mm 0.379 mm 109. HRAS_085 EG 1981.11.05-10:17:19.656 -0.000 mm 0.377 mm 0.379 mm 110. HRAS_085 NG 1981.11.05-18:17:19.656 0.006 mm 0.422 mm 0.425 mm 111. HRAS_085 EG 1981.11.05-18:17:19.656 0.001 mm 0.422 mm 0.425 mm 112. WESTFORD 7209 NOAM X Comp 1492206608.79 mm 65.789 mm 9.424 mm 9.477 mm 113. WESTFORD 7209 NOAM Y Comp -4458130535.60 mm -13.600 mm 32.706 mm 32.890 mm 114. WESTFORD 7209 NOAM Z Comp 4296015495.73 mm -51.271 mm 24.098 mm 24.234 mm WESTFORD 7209 U Comp -9.85 mm -9.853 mm 37.579 mm 30.908 mm WESTFORD 7209 E Comp 58.07 mm 58.071 mm 16.892 mm 13.894 mm WESTFORD 7209 N Comp -60.60 mm -60.602 mm 6.456 mm 5.310 mm 115. WESTFORD AT 0 1981.11.04-18:18:19.656 -16.510 ps 58.284 ps 58.613 ps WESTFORD Atm 1981.11.05-06:18:51.840 Avg: -31.534 ps Rms: 9.879 ps Tot_Rms: 33.045 ps || Nat: 138 Dura: 85260.0 sec Tzd_avg: 7897.3 Tzd_rms: 27.1 Wzd_avg: 258.4 Wzd_rms: 31.9 ps Prs_avg: 101101. Pa Tem_avg: 8.4 C Stm_avg: 1.1 C Stm_rms: 1.5 K Spr_avg: 384. Spr_rms: 51. Pa 188. WESTFORD NG 1981.11.04-18:17:19.656 0.010 mm 0.422 mm 0.425 mm 189. WESTFORD EG 1981.11.04-18:17:19.656 -0.005 mm 0.422 mm 0.425 mm 190. WESTFORD NG 1981.11.05-02:17:19.656 -0.004 mm 0.377 mm 0.379 mm 191. WESTFORD EG 1981.11.05-02:17:19.656 -0.004 mm 0.377 mm 0.379 mm 192. WESTFORD NG 1981.11.05-10:17:19.656 -0.000 mm 0.377 mm 0.379 mm 193. WESTFORD EG 1981.11.05-10:17:19.656 0.003 mm 0.377 mm 0.379 mm 194. WESTFORD NG 1981.11.05-18:17:19.656 -0.004 mm 0.422 mm 0.425 mm 195. WESTFORD EG 1981.11.05-18:17:19.656 -0.006 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 4.90 ps/h NRMS 0.10 share 0.96 count 73 2. WESTFORD Input 50.00 ps/h RMS 6.55 ps/h NRMS 0.13 share 0.93 count 73 Overall RMS 5.79 ps/h NRMS 0.12 share 0.95 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.33 D-14 NRMS 0.87 share 0.51 count 25 Overall RMS 4.33 D-14 NRMS 0.87 share 0.51 count 25 196. UT1-TAI 1, 1981.11.05-06:09:00.000 -2.2897 ms/d -155.92 micros/d 480.90 micros/d 483.61 micros/d EOP epoch (TDT) MJD: 44913.256623 NUT epoch (TDT) MJD: 44913.271975 197. Nutation DPSI wrt apriori model 1981.11.05-06:08:49.416 11.906 mas 3639.2 microasec 3659.7 microasec Nutation Dx wrt apriori model 1981.11.05-06:08:49.416 4.743 mas 1439.3 microasec 1447.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.11.05-06:08:49.416 12.696 mas 3639.2 microasec 3659.7 microasec 198. Nutation DEPS wrt apriori model 1981.11.05-06:08:49.416 -1.545 mas 2070.0 microasec 2081.7 microasec Nutation Dy wrt apriori model 1981.11.05-06:08:49.416 -1.526 mas 2075.9 microasec 2087.6 microasec Nutation DEPS wrt Wahr 1980 model 1981.11.05-06:08:49.416 -1.241 mas 2070.0 microasec 2081.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2411 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.11.05 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928052.03 20.59 3134928052.03 20.59 145.93 11.50 39.01 80.00 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:33 Correlator type: Unknown Experiment code: pol033 Mark-3 db_name: $81NOV10X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811110_a Ver 2 pol033 Matrix Condition Number = 1.974424123621376E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 4.4 7.1 847.0 1.4 74.3 8.0 WESTFORD MET 4.7 1.6 1016.5 3.7 51.2 21.8 Run 26091-1735 224 Observation Pairs Available Session started on: 2444919.048800 1981.11.10 13:10:16.320 UTC Nominal duration: 85682.880 sec 00 23:48:02.880 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 165 67.083 ps 0.87 0.9951 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 167 Number of potentially good observations with QC 5-9: 167 Number of used observations: 165 ( 98.80%) Number of suppressed observations: 2 ( 1.20%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 165 167 67.083 0.87 19811110_a pol033 1981.11.11-01:04:17.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 14 70.899 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 0212+735 J0217+7349 6 6 14 143.843 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 0234+285 J0237+2848 13 13 14 108.380 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 0552+398 J0555+3948 15 15 19 86.531 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 0742+103 J0745+1011 10 10 15 76.875 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 1637+574 J1638+5720 10 10 20 136.085 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 2134+00 J2136+0041 8 8 15 72.280 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 3C273B J1229+0203 14 14 14 36.096 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 3C345 J1642+3948 21 21 22 43.418 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 3C454.3 J2253+1608 9 9 15 49.698 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: 4C39.25 J0927+3902 6 6 15 70.439 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: NRAO150 J0359+5057 13 13 15 60.067 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: OQ208 J1407+2827 17 17 20 133.014 19811110_a pol033 1981.11.11-01:04:17.760 SRC_STAT: VR422201 J2202+4216 9 11 12 51.684 19811110_a pol033 1981.11.11-01:04:17.760 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.11.11-01:03:45 1. HRAS_085 7216 NOAM X Comp -1324211055.19 mm -38.188 mm 6.371 mm 6.355 mm 2. HRAS_085 7216 NOAM Y Comp -5332023105.11 mm -23.109 mm 23.608 mm 23.550 mm 3. HRAS_085 7216 NOAM Z Comp 3232118351.48 mm 44.480 mm 16.853 mm 16.811 mm HRAS_085 7216 U Comp 49.88 mm 49.883 mm 28.724 mm 24.975 mm HRAS_085 7216 E Comp -31.49 mm -31.493 mm 5.995 mm 5.212 mm HRAS_085 7216 N Comp 22.15 mm 22.152 mm 4.576 mm 3.979 mm 4. HRAS_085 CL 0 1981.11.10-13:09:44.136 26846.858 ns 0.327 ns 0.326 ns 5. HRAS_085 CL 1 1981.11.10-13:09:44.136 58.799 D-14 2.173 D-14 2.168 D-14 6. HRAS_085 CL 2 1981.11.10-13:09:44.136 -5.641 D-14/day 1.886 D-14/day 1.882 D-14/day 31. HRAS_085 AT 0 1981.11.10-13:09:44.136 103.386 ps 97.892 ps 97.650 ps HRAS_085 Atm 1981.11.11-01:10:16.320 Avg: 42.563 ps Rms: 40.197 ps Tot_Rms: 58.545 ps || Nat: 224 Dura: 85680.0 sec Tzd_avg: 6533.3 Tzd_rms: 11.7 Wzd_avg: 104.2 Wzd_rms: 5.5 ps Prs_avg: 84694. Pa Tem_avg: 4.2 C Stm_avg: -6.3 C Stm_rms: 5.0 K Spr_avg: 103. Spr_rms: 71. Pa 104. HRAS_085 NG 1981.11.10-13:08:44.136 0.002 mm 0.422 mm 0.421 mm 105. HRAS_085 EG 1981.11.10-13:08:44.136 -0.008 mm 0.422 mm 0.421 mm 106. HRAS_085 NG 1981.11.10-21:08:44.136 -0.010 mm 0.377 mm 0.376 mm 107. HRAS_085 EG 1981.11.10-21:08:44.136 -0.009 mm 0.377 mm 0.376 mm 108. HRAS_085 NG 1981.11.11-05:08:44.136 -0.004 mm 0.377 mm 0.376 mm 109. HRAS_085 EG 1981.11.11-05:08:44.136 0.004 mm 0.377 mm 0.376 mm 110. HRAS_085 NG 1981.11.11-13:08:44.136 -0.006 mm 0.422 mm 0.421 mm 111. HRAS_085 EG 1981.11.11-13:08:44.136 0.012 mm 0.422 mm 0.421 mm 112. WESTFORD 7209 NOAM X Comp 1492206581.19 mm 38.188 mm 6.371 mm 6.355 mm 113. WESTFORD 7209 NOAM Y Comp -4458130498.89 mm 23.109 mm 23.608 mm 23.550 mm 114. WESTFORD 7209 NOAM Z Comp 4296015502.52 mm -44.480 mm 16.853 mm 16.811 mm WESTFORD 7209 U Comp -37.32 mm -37.321 mm 26.984 mm 23.462 mm WESTFORD 7209 E Comp 43.55 mm 43.549 mm 11.716 mm 10.187 mm WESTFORD 7209 N Comp -26.10 mm -26.105 mm 4.069 mm 3.538 mm 115. WESTFORD AT 0 1981.11.10-13:09:44.136 -83.412 ps 59.565 ps 59.417 ps WESTFORD Atm 1981.11.11-01:10:16.320 Avg: -14.490 ps Rms: 53.442 ps Tot_Rms: 55.371 ps || Nat: 224 Dura: 85680.0 sec Tzd_avg: 7928.8 Tzd_rms: 11.8 Wzd_avg: 246.8 Wzd_rms: 19.2 ps Prs_avg: 101642. Pa Tem_avg: 4.8 C Stm_avg: 2.1 C Stm_rms: 2.1 K Spr_avg: 360. Spr_rms: 66. Pa 188. WESTFORD NG 1981.11.10-13:08:44.136 -0.001 mm 0.422 mm 0.421 mm 189. WESTFORD EG 1981.11.10-13:08:44.136 0.004 mm 0.422 mm 0.421 mm 190. WESTFORD NG 1981.11.10-21:08:44.136 0.001 mm 0.377 mm 0.376 mm 191. WESTFORD EG 1981.11.10-21:08:44.136 0.012 mm 0.377 mm 0.376 mm 192. WESTFORD NG 1981.11.11-05:08:44.136 0.009 mm 0.377 mm 0.376 mm 193. WESTFORD EG 1981.11.11-05:08:44.136 0.006 mm 0.377 mm 0.376 mm 194. WESTFORD NG 1981.11.11-13:08:44.136 0.007 mm 0.422 mm 0.421 mm 195. WESTFORD EG 1981.11.11-13:08:44.136 -0.005 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.08 ps/h NRMS 0.24 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 18.10 ps/h NRMS 0.36 share 0.89 count 73 Overall RMS 15.39 ps/h NRMS 0.31 share 0.91 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.55 D-14 NRMS 0.71 share 0.27 count 25 Overall RMS 3.55 D-14 NRMS 0.71 share 0.27 count 25 196. UT1-TAI 1, 1981.11.11-01:04:00.000 -2.5742 ms/d 287.11 micros/d 211.61 micros/d 211.08 micros/d EOP epoch (TDT) MJD: 44919.044817 NUT epoch (TDT) MJD: 44918.997369 197. Nutation DPSI wrt apriori model 1981.11.11-01:03:45.576 -0.898 mas 2941.4 microasec 2934.1 microasec Nutation Dx wrt apriori model 1981.11.11-01:03:45.576 -0.350 mas 1167.1 microasec 1164.2 microasec Nutation DPSI wrt Wahr 1980 model 1981.11.11-01:03:45.576 0.457 mas 2941.4 microasec 2934.1 microasec 198. Nutation DEPS wrt apriori model 1981.11.11-01:03:45.576 -1.646 mas 746.7 microasec 744.9 microasec Nutation Dy wrt apriori model 1981.11.11-01:03:45.576 -1.648 mas 751.5 microasec 749.6 microasec Nutation DEPS wrt Wahr 1980 model 1981.11.11-01:03:45.576 -0.438 mas 746.7 microasec 744.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0851 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.11.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928027.51 13.72 3134928027.51 13.72 72.12 6.82 89.72 57.39 NNT_POS: 6 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NRAO_140 ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:37 Correlator type: Unknown Experiment code: xat811 Mark-3 db_name: $81NOV18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811118_a Ver 2 xat811 Matrix Condition Number = 7.016731250965140E+08 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | NRAO_140: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for NRAO_140 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 5.8 1.3 989.9 3.8 92.2 31.5 HRAS_085 MET 12.5 6.0 839.9 3.4 9.4 7.8 NRAO_140 MET 0.6 4.5 919.4 0.9 61.9 19.8 ONSALA60 MET 6.9 0.8 998.4 4.6 95.6 7.9 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 3.9 5.7 885.3 0.5 43.9 8.0 WESTFORD MET 6.6 1.0 991.5 3.7 89.6 32.2 Run 26091-1735 1684 Observation Pairs Available Session started on: 2444927.204500 1981.11.18 16:54:28.800 UTC Nominal duration: 90279.360 sec 01 01:04:39.360 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 877 27.322 ps 0.86 0.9858 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 926 Number of potentially good observations with QC 5-9: 926 Number of used observations: 877 ( 94.71%) Number of suppressed observations: 49 ( 5.29%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 86 86 47.063 0.92 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HAYSTACK NRAO_140 105 105 16.391 0.79 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HAYSTACK ONSALA60 12 12 105.864 0.85 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HAYSTACK OVRO_130 63 63 28.690 0.86 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HAYSTACK WESTFORD 74 109 22.308 0.80 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HRAS_085 NRAO_140 89 89 35.348 0.89 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HRAS_085 ONSALA60 4 4 55.723 0.88 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HRAS_085 OVRO_130 92 93 22.491 0.82 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT HRAS_085 WESTFORD 89 89 84.309 0.96 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT NRAO_140 ONSALA60 5 5 86.084 0.93 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT NRAO_140 OVRO_130 75 80 22.815 0.84 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT NRAO_140 WESTFORD 97 99 28.041 0.87 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 3 4 10.651 0.34 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT ONSALA60 WESTFORD 6 6 14.092 0.30 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT OVRO_130 WESTFORD 77 82 35.622 0.89 19811118_a xat811 1981.11.19-05:26:48.4 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19811118_a xat811 HRAS_085 ONSALA85 0/ 0 deselected baseline 19811118_a xat811 NRAO_140 ONSALA85 0/ 0 deselected baseline 19811118_a xat811 ONSALA85 OVRO_130 0/ 0 deselected baseline 19811118_a xat811 ONSALA85 WESTFORD 0/ 0 deselected baseline 19811118_a xat811 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 63 64 97 29.389 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: 0234+285 J0237+2848 68 70 127 56.276 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: 2134+00 J2136+0041 31 32 62 25.801 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: 3C273B J1229+0203 57 57 89 14.789 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: 3C345 J1642+3948 81 89 160 18.914 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: 3C454.3 J2253+1608 62 68 140 19.835 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: 4C39.25 J0927+3902 109 113 211 26.572 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: NRAO150 J0359+5057 113 119 223 25.119 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: OJ287 J0854+2006 71 76 125 32.056 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: OQ208 J1407+2827 81 89 178 55.083 19811118_a xat811 1981.11.19-05:26:48.480 SRC_STAT: VR422201 J2202+4216 141 149 272 28.238 19811118_a xat811 1981.11.19-05:26:48.480 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.11.19-05:26:16 1. HAYSTACK 7205 NOAM X Comp 1492404693.43 mm -2.570 mm 37.255 mm 36.989 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266413.32 mm 121.682 mm 10.574 mm 10.499 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881717.41 mm -76.591 mm 29.458 mm 29.248 mm HAYSTACK 7205 U Comp -137.37 mm -137.370 mm 20.616 mm 17.737 mm HAYSTACK 7205 E Comp 36.20 mm 36.197 mm 33.191 mm 28.556 mm HAYSTACK 7205 N Comp 22.33 mm 22.332 mm 28.998 mm 24.949 mm 4. HAYSTACK AT 0 1981.11.18-16:53:56.616 67.368 ps 40.342 ps 40.054 ps HAYSTACK Atm 1981.11.19-05:54:28.800 Avg: 22.265 ps Rms: 22.729 ps Tot_Rms: 31.817 ps || Nat: 194 Dura: 90284.0 sec Tzd_avg: 7783.8 Tzd_rms: 50.1 Wzd_avg: 334.5 Wzd_rms: 81.7 ps Prs_avg: 98902. Pa Tem_avg: 5.7 C Stm_avg: -0.2 C Stm_rms: 0.7 K Spr_avg: 649. Spr_rms: 26. Pa 83. HAYSTACK NG 1981.11.18-16:52:56.616 -0.053 mm 0.420 mm 0.417 mm 84. HAYSTACK EG 1981.11.18-16:52:56.616 0.012 mm 0.420 mm 0.417 mm 85. HAYSTACK NG 1981.11.19-00:52:56.616 -0.067 mm 0.374 mm 0.371 mm 86. HAYSTACK EG 1981.11.19-00:52:56.616 0.068 mm 0.371 mm 0.368 mm 87. HAYSTACK NG 1981.11.19-08:52:56.616 0.094 mm 0.374 mm 0.371 mm 88. HAYSTACK EG 1981.11.19-08:52:56.616 -0.044 mm 0.372 mm 0.370 mm 89. HAYSTACK NG 1981.11.19-16:52:56.616 0.066 mm 0.417 mm 0.414 mm 90. HAYSTACK EG 1981.11.19-16:52:56.616 -0.077 mm 0.413 mm 0.410 mm 91. HRAS_085 7216 NOAM X Comp -1324211042.93 mm -25.932 mm 37.240 mm 36.974 mm 92. HRAS_085 7216 NOAM Y Comp -5332023091.02 mm -9.020 mm 14.903 mm 14.797 mm 93. HRAS_085 7216 NOAM Z Comp 3232118373.36 mm 66.361 mm 30.110 mm 29.895 mm HRAS_085 7216 U Comp 46.73 mm 46.727 mm 23.385 mm 20.119 mm HRAS_085 7216 E Comp -22.99 mm -22.993 mm 37.724 mm 32.456 mm HRAS_085 7216 N Comp 49.45 mm 49.452 mm 23.358 mm 20.096 mm 94. HRAS_085 CL 0 1981.11.18-16:53:56.616 21164.161 ns 0.144 ns 0.143 ns 95. HRAS_085 CL 1 1981.11.18-16:53:56.616 95.640 D-14 2.036 D-14 2.022 D-14 96. HRAS_085 CL 2 1981.11.18-16:53:56.616 1.627 D-14/day 1.666 D-14/day 1.655 D-14/day 123. HRAS_085 AT 0 1981.11.18-16:53:56.616 -54.663 ps 57.745 ps 57.332 ps HRAS_085 Atm 1981.11.19-05:54:28.800 Avg: 5.138 ps Rms: 24.721 ps Tot_Rms: 25.249 ps || Nat: 154 Dura: 90284.0 sec Tzd_avg: 6464.6 Tzd_rms: 13.8 Wzd_avg: 92.0 Wzd_rms: 22.6 ps Prs_avg: 83960. Pa Tem_avg: 13.3 C Stm_avg: -0.1 C Stm_rms: 1.3 K Spr_avg: 119. Spr_rms: 68. Pa 202. HRAS_085 NG 1981.11.18-16:52:56.616 -0.041 mm 0.422 mm 0.419 mm 203. HRAS_085 EG 1981.11.18-16:52:56.616 0.010 mm 0.420 mm 0.417 mm 204. HRAS_085 NG 1981.11.19-00:52:56.616 -0.061 mm 0.375 mm 0.372 mm 205. HRAS_085 EG 1981.11.19-00:52:56.616 0.106 mm 0.374 mm 0.371 mm 206. HRAS_085 NG 1981.11.19-08:52:56.616 -0.002 mm 0.376 mm 0.373 mm 207. HRAS_085 EG 1981.11.19-08:52:56.616 0.018 mm 0.375 mm 0.372 mm 208. HRAS_085 NG 1981.11.19-16:52:56.616 -0.011 mm 0.420 mm 0.417 mm 209. HRAS_085 EG 1981.11.19-16:52:56.616 -0.072 mm 0.418 mm 0.415 mm 210. NRAO_140 7204 NOAM X Comp 882879855.21 mm 16.210 mm 37.160 mm 36.895 mm 211. NRAO_140 7204 NOAM Y Comp -4924482225.46 mm 87.542 mm 10.977 mm 10.899 mm 212. NRAO_140 7204 NOAM Z Comp 3944130655.46 mm -32.539 mm 29.558 mm 29.347 mm NRAO_140 7204 U Comp -85.48 mm -85.481 mm 19.737 mm 16.981 mm NRAO_140 7204 E Comp 31.40 mm 31.404 mm 35.400 mm 30.457 mm NRAO_140 7204 N Comp 26.30 mm 26.302 mm 27.061 mm 23.283 mm 213. NRAO_140 CL 0 1981.11.18-16:53:56.616 5071.831 ns 0.522 ns 0.518 ns 214. NRAO_140 CL 1 1981.11.18-16:53:56.616 -31.638 D-14 2.847 D-14 2.827 D-14 215. NRAO_140 CL 2 1981.11.18-16:53:56.616 -4.452 D-14/day 2.169 D-14/day 2.153 D-14/day 242. NRAO_140 AT 0 1981.11.18-16:53:56.616 -20.786 ps 65.673 ps 65.204 ps NRAO_140 Atm 1981.11.19-05:54:28.800 Avg: -8.061 ps Rms: 30.311 ps Tot_Rms: 31.364 ps || Nat: 149 Dura: 74656.0 sec Tzd_avg: 7219.8 Tzd_rms: 15.7 Wzd_avg: 273.6 Wzd_rms: 13.6 ps Prs_avg: 91938. Pa Tem_avg: 0.8 C Stm_avg: -3.6 C Stm_rms: 2.3 K Spr_avg: 390. Spr_rms: 75. Pa 321. NRAO_140 NG 1981.11.18-16:52:56.616 0.094 mm 0.420 mm 0.417 mm 322. NRAO_140 EG 1981.11.18-16:52:56.616 -0.161 mm 0.420 mm 0.417 mm 323. NRAO_140 NG 1981.11.19-00:52:56.616 0.132 mm 0.371 mm 0.369 mm 324. NRAO_140 EG 1981.11.19-00:52:56.616 -0.386 mm 0.368 mm 0.365 mm 325. NRAO_140 NG 1981.11.19-08:52:56.616 -0.137 mm 0.374 mm 0.371 mm 326. NRAO_140 EG 1981.11.19-08:52:56.616 0.055 mm 0.370 mm 0.367 mm 327. NRAO_140 NG 1981.11.19-16:52:56.616 -0.039 mm 0.417 mm 0.414 mm 328. NRAO_140 EG 1981.11.19-16:52:56.616 0.352 mm 0.411 mm 0.408 mm 329. ONSALA60 7213 EURA X Comp 3370605943.56 mm -45.437 mm 185.622 mm 184.296 mm 330. ONSALA60 7213 EURA Y Comp 711917350.61 mm -178.394 mm 40.550 mm 40.260 mm 331. ONSALA60 7213 EURA Z Comp 5349830841.80 mm 75.800 mm 144.958 mm 143.923 mm ONSALA60 7213 U Comp 20.04 mm 20.036 mm 104.491 mm 89.900 mm ONSALA60 7213 E Comp -165.15 mm -165.154 mm 74.793 mm 64.349 mm ONSALA60 7213 N Comp 109.35 mm 109.350 mm 201.496 mm 173.359 mm 332. ONSALA60 CL 0 1981.11.18-16:53:56.616 4093.197 ns 53.309 ns 52.928 ns 333. ONSALA60 CL 1 1981.11.18-16:53:56.616 16.886 D-14 129.059 D-14 128.137 D-14 334. ONSALA60 CL 2 1981.11.18-16:53:56.616 14.364 D-14/day 67.418 D-14/day 66.937 D-14/day 361. ONSALA60 AT 0 1981.11.18-16:53:56.616 -87.952 ps 204.805 ps 203.342 ps ONSALA60 Atm 1981.11.19-05:54:28.800 Avg: -90.402 ps Rms: 7.050 ps Tot_Rms: 90.676 ps || Nat: 158 Dura: 84492.0 sec Tzd_avg: 7891.6 Tzd_rms: 70.3 Wzd_avg: 334.1 Wzd_rms: 98.1 ps Prs_avg: 99800. Pa Tem_avg: 7.1 C Stm_avg: -0.5 C Stm_rms: 0.7 K Spr_avg: -18. Spr_rms: 47. Pa 440. ONSALA60 NG 1981.11.18-16:52:56.616 -0.000 mm 0.422 mm 0.419 mm 441. ONSALA60 EG 1981.11.18-16:52:56.616 0.000 mm 0.422 mm 0.419 mm 442. ONSALA60 NG 1981.11.19-00:52:56.616 -0.000 mm 0.377 mm 0.374 mm 443. ONSALA60 EG 1981.11.19-00:52:56.616 0.001 mm 0.377 mm 0.374 mm 444. ONSALA60 NG 1981.11.19-08:52:56.616 -0.000 mm 0.377 mm 0.374 mm 445. ONSALA60 EG 1981.11.19-08:52:56.616 0.003 mm 0.377 mm 0.374 mm 446. ONSALA60 NG 1981.11.19-16:52:56.616 0.006 mm 0.422 mm 0.419 mm 447. ONSALA60 EG 1981.11.19-16:52:56.616 0.014 mm 0.422 mm 0.419 mm 448. OVRO_130 7207 NOAM X Comp -2409600842.36 mm 44.644 mm 37.350 mm 37.083 mm 449. OVRO_130 7207 NOAM Y Comp -4478349595.79 mm -131.790 mm 12.799 mm 12.707 mm 450. OVRO_130 7207 NOAM Z Comp 3838603212.34 mm 24.342 mm 30.194 mm 29.978 mm OVRO_130 7207 U Comp 90.29 mm 90.290 mm 28.488 mm 24.510 mm OVRO_130 7207 E Comp 101.76 mm 101.760 mm 36.042 mm 31.009 mm OVRO_130 7207 N Comp -38.04 mm -38.039 mm 18.970 mm 16.321 mm 451. OVRO_130 CL 0 1981.11.18-16:53:56.616 11695.334 ns 0.243 ns 0.241 ns 452. OVRO_130 CL 1 1981.11.18-16:53:56.616 9.023 D-14 2.195 D-14 2.179 D-14 453. OVRO_130 CL 2 1981.11.18-16:53:56.616 -0.273 D-14/day 1.768 D-14/day 1.755 D-14/day 480. OVRO_130 AT 0 1981.11.18-16:53:56.616 -59.562 ps 58.390 ps 57.973 ps OVRO_130 Atm 1981.11.19-05:54:28.800 Avg: -38.867 ps Rms: 33.734 ps Tot_Rms: 51.465 ps || Nat: 125 Dura: 85124.0 sec Tzd_avg: 6861.3 Tzd_rms: 19.8 Wzd_avg: 155.1 Wzd_rms: 13.5 ps Prs_avg: 88545. Pa Tem_avg: 4.4 C Stm_avg: -6.5 C Stm_rms: 4.4 K Spr_avg: 219. Spr_rms: 110. Pa 559. OVRO_130 NG 1981.11.18-16:52:56.616 0.007 mm 0.422 mm 0.419 mm 560. OVRO_130 EG 1981.11.18-16:52:56.616 0.016 mm 0.421 mm 0.418 mm 561. OVRO_130 NG 1981.11.19-00:52:56.616 0.042 mm 0.375 mm 0.373 mm 562. OVRO_130 EG 1981.11.19-00:52:56.616 -0.016 mm 0.375 mm 0.372 mm 563. OVRO_130 NG 1981.11.19-08:52:56.616 0.050 mm 0.376 mm 0.373 mm 564. OVRO_130 EG 1981.11.19-08:52:56.616 0.033 mm 0.375 mm 0.372 mm 565. OVRO_130 NG 1981.11.19-16:52:56.616 0.052 mm 0.421 mm 0.418 mm 566. OVRO_130 EG 1981.11.19-16:52:56.616 -0.002 mm 0.419 mm 0.416 mm 567. WESTFORD 7209 NOAM X Comp 1492206556.08 mm 13.084 mm 37.255 mm 36.989 mm 568. WESTFORD 7209 NOAM Y Comp -4458130412.02 mm 109.981 mm 11.019 mm 10.940 mm 569. WESTFORD 7209 NOAM Z Comp 4296015489.63 mm -57.372 mm 29.571 mm 29.360 mm WESTFORD 7209 U Comp -112.54 mm -112.541 mm 20.942 mm 18.018 mm WESTFORD 7209 E Comp 47.32 mm 47.316 mm 33.167 mm 28.536 mm WESTFORD 7209 N Comp 25.58 mm 25.577 mm 29.072 mm 25.013 mm 570. WESTFORD CL 0 1981.11.18-16:53:56.616 -6599.548 ns 0.080 ns 0.080 ns 571. WESTFORD CL 1 1981.11.18-16:53:56.616 1.251 D-14 2.021 D-14 2.006 D-14 572. WESTFORD CL 2 1981.11.18-16:53:56.616 -1.543 D-14/day 1.662 D-14/day 1.650 D-14/day 599. WESTFORD AT 0 1981.11.18-16:53:56.616 55.917 ps 43.680 ps 43.368 ps WESTFORD Atm 1981.11.19-05:54:28.800 Avg: 13.239 ps Rms: 25.598 ps Tot_Rms: 28.819 ps || Nat: 182 Dura: 90284.0 sec Tzd_avg: 7812.2 Tzd_rms: 50.4 Wzd_avg: 334.0 Wzd_rms: 82.1 ps Prs_avg: 99068. Pa Tem_avg: 6.6 C Stm_avg: 0.5 C Stm_rms: 0.7 K Spr_avg: 433. Spr_rms: 26. Pa 678. WESTFORD NG 1981.11.18-16:52:56.616 0.004 mm 0.421 mm 0.418 mm 679. WESTFORD EG 1981.11.18-16:52:56.616 0.110 mm 0.421 mm 0.418 mm 680. WESTFORD NG 1981.11.19-00:52:56.616 0.027 mm 0.375 mm 0.372 mm 681. WESTFORD EG 1981.11.19-00:52:56.616 0.195 mm 0.373 mm 0.371 mm 682. WESTFORD NG 1981.11.19-08:52:56.616 0.090 mm 0.375 mm 0.372 mm 683. WESTFORD EG 1981.11.19-08:52:56.616 -0.024 mm 0.374 mm 0.371 mm 684. WESTFORD NG 1981.11.19-16:52:56.616 -0.092 mm 0.418 mm 0.415 mm 685. WESTFORD EG 1981.11.19-16:52:56.616 -0.150 mm 0.416 mm 0.413 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 18.43 ps/h NRMS 0.37 share 0.68 count 79 2. HRAS_085 Input 50.00 ps/h RMS 19.24 ps/h NRMS 0.38 share 0.80 count 79 3. NRAO_140 Input 50.00 ps/h RMS 22.83 ps/h NRMS 0.46 share 0.70 count 79 4. ONSALA60 Input 50.00 ps/h RMS 5.83 ps/h NRMS 0.12 share 0.98 count 79 6. OVRO_130 Input 50.00 ps/h RMS 18.60 ps/h NRMS 0.37 share 0.77 count 79 7. WESTFORD Input 50.00 ps/h RMS 18.60 ps/h NRMS 0.37 share 0.73 count 79 Overall RMS 18.06 ps/h NRMS 0.36 share 0.78 count 474 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.26 mm/d NRMS 0.13 share 0.52 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.10 share 0.53 count 8 3. NRAO_140 Input 2.00 mm/d RMS 0.79 mm/d NRMS 0.40 share 0.52 count 8 4. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 7. WESTFORD Input 2.00 mm/d RMS 0.40 mm/d NRMS 0.20 share 0.53 count 8 Overall RMS 0.39 mm/d NRMS 0.19 share 0.53 count 48 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 3.42 D-14 NRMS 0.68 share 0.21 count 27 3. NRAO_140 Input 5.00 D-14 RMS 0.91 D-14 NRMS 0.18 share 0.31 count 27 4. ONSALA60 Input 5.00 D-14 RMS 0.28 D-14 NRMS 0.06 share 0.95 count 27 6. OVRO_130 Input 5.00 D-14 RMS 1.58 D-14 NRMS 0.32 share 0.24 count 27 7. WESTFORD Input 5.00 D-14 RMS 1.59 D-14 NRMS 0.32 share 0.19 count 27 Overall RMS 1.88 D-14 NRMS 0.38 share 0.38 count 135 686. UT1-TAI 1, 1981.11.19-05:26:00.000 -2.3681 ms/d -118.78 micros/d 108.99 micros/d 108.21 micros/d EOP epoch (TDT) MJD: 44927.226761 NUT epoch (TDT) MJD: 44927.282387 687. Nutation DPSI wrt apriori model 1981.11.19-05:26:16.296 1.528 mas 740.2 microasec 734.9 microasec Nutation Dx wrt apriori model 1981.11.19-05:26:16.296 0.610 mas 293.0 microasec 290.9 microasec Nutation DPSI wrt Wahr 1980 model 1981.11.19-05:26:16.296 3.606 mas 740.2 microasec 734.9 microasec 688. Nutation DEPS wrt apriori model 1981.11.19-05:26:16.296 -0.513 mas 361.4 microasec 358.8 microasec Nutation Dy wrt apriori model 1981.11.19-05:26:16.296 -0.510 mas 362.5 microasec 360.0 microasec Nutation DEPS wrt Wahr 1980 model 1981.11.19-05:26:16.296 0.667 mas 361.4 microasec 358.8 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0244 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.11.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640991.94 5.59 3135640991.94 5.59 41.62 3.39 -190.40 20.50 HAYSTACK 7205 to NRAO_140 7204 845129845.19 2.45 845129845.19 2.45 2.18 1.99 -57.30 12.19 HAYSTACK 7205 to ONSALA60 7213 5599714508.77 29.76 5599714508.77 29.76 -51.68 253.02 -208.35 131.87 HAYSTACK 7205 to OVRO_130 7207 3928881633.50 5.49 3928881633.50 5.49 -101.59 3.72 -251.12 18.84 HAYSTACK 7205 to WESTFORD 7209 1239396.12 2.96 1239396.12 2.96 -9.08 2.11 -24.67 10.17 HRAS_085 7216 to NRAO_140 7204 2354634001.20 4.46 2354634001.20 4.46 37.03 3.28 137.18 19.85 HRAS_085 7216 to ONSALA60 7213 7940732251.98 82.03 7940732251.98 82.03 57.74 239.67 -82.45 135.52 HRAS_085 7216 to OVRO_130 7207 1508195382.92 3.34 1508195382.92 3.34 -20.94 3.19 -50.62 19.56 HRAS_085 7216 to WESTFORD 7209 3134928002.44 5.85 3134928002.44 5.85 41.09 3.78 169.16 20.99 NRAO_140 7204 to ONSALA60 7213 6319317549.04 39.77 6319317549.04 39.77 -39.63 252.02 -168.36 131.24 NRAO_140 7204 to OVRO_130 7207 3324244201.07 4.54 3324244201.07 4.54 -92.57 3.48 -200.13 18.46 NRAO_140 7204 to WESTFORD 7209 844148078.72 2.82 844148078.72 2.82 4.96 2.59 33.25 13.52 ONSALA60 7213 to OVRO_130 7207 7914131058.48120.17 7914131058.48120.17 -47.85 213.33 56.19 149.99 ONSALA60 7213 to WESTFORD 7209 5600741461.91 29.81 5600741461.91 29.81 -57.58 253.02 181.67 131.89 OVRO_130 7207 to WESTFORD 7209 3928579359.17 5.82 3928579359.17 5.82 -106.31 4.08 230.77 19.31 NNT_POS: 5 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 NRAO_140 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:40 Correlator type: Unknown Experiment code: xat812 Mark-3 db_name: $81NOV19X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811119_a Ver 2 xat812 Matrix Condition Number = 3.259842940147357E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | HAYSTACK: CABL_DEL GION | | HRAS_085: GION | | NRAO_140: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: CABL_DEL GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for NRAO_140 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HAYSTACK MET 5.6 1.5 996.7 2.6 45.4 25.3 HRAS_085 MET 1.1 5.4 845.9 0.8 30.3 2.5 NRAO_140 MET 10.0 3.9 910.3 2.6 38.6 14.8 ONSALA60 MET 5.9 0.8 1003.6 9.7 86.9 2.7 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 4.7 5.8 882.7 0.7 29.4 2.3 WESTFORD MET 7.2 1.1 997.8 2.6 42.4 29.7 Run 26091-1735 2469 Observation Pairs Available Session started on: 2444928.293200 1981.11.19 19:02:12.480 UTC Nominal duration: 89363.520 sec 01 00:49:23.520 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 878 33.098 ps 0.87 0.9916 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 919 Number of potentially good observations with QC 5-9: 919 Number of used observations: 878 ( 95.54%) Number of suppressed observations: 41 ( 4.46%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 133 134 41.702 0.89 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT HAYSTACK NRAO_140 109 112 18.767 0.82 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT HAYSTACK ONSALA60 51 58 34.351 0.80 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT HAYSTACK WESTFORD 118 133 34.508 0.88 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT HRAS_085 NRAO_140 112 112 31.033 0.86 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT HRAS_085 ONSALA60 27 28 38.446 0.67 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT HRAS_085 WESTFORD 113 113 79.140 0.96 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT NRAO_140 ONSALA60 32 40 35.076 0.81 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT NRAO_140 WESTFORD 133 135 30.926 0.87 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 50 54 91.323 0.95 19811119_a xat812 1981.11.20-07:26:54.2 BAS_STAT Not included: GOLDVENU HAYSTACK 0/ 0 deselected baseline 19811119_a xat812 GOLDVENU HRAS_085 0/ 0 deselected baseline 19811119_a xat812 GOLDVENU NRAO_140 0/ 0 deselected baseline 19811119_a xat812 GOLDVENU ONSALA60 0/ 0 deselected baseline 19811119_a xat812 GOLDVENU ONSALA85 0/ 0 deselected baseline 19811119_a xat812 GOLDVENU OVRO_130 0/ 0 deselected baseline 19811119_a xat812 GOLDVENU WESTFORD 0/ 0 deselected baseline 19811119_a xat812 HAYSTACK ONSALA85 0/ 0 deselected baseline 19811119_a xat812 HAYSTACK OVRO_130 0/ 0 deselected baseline 19811119_a xat812 HRAS_085 ONSALA85 0/ 0 deselected baseline 19811119_a xat812 HRAS_085 OVRO_130 0/ 0 deselected baseline 19811119_a xat812 NRAO_140 ONSALA85 0/ 0 deselected baseline 19811119_a xat812 NRAO_140 OVRO_130 0/ 0 deselected baseline 19811119_a xat812 ONSALA60 OVRO_130 0/ 0 deselected baseline 19811119_a xat812 ONSALA85 OVRO_130 0/ 0 deselected baseline 19811119_a xat812 ONSALA85 WESTFORD 0/ 0 deselected baseline 19811119_a xat812 OVRO_130 WESTFORD 0/ 0 deselected baseline 19811119_a xat812 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 71 72 186 30.852 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 0212+735 J0217+7349 70 73 245 50.439 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 0528+134 J0530+1331 91 92 199 29.916 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 0552+398 J0555+3948 97 100 257 45.988 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 1741-038 J1743-0350 57 59 143 61.666 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 2134+00 J2136+0041 46 46 143 29.490 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 3C273B J1229+0203 58 61 119 26.638 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 3C345 J1642+3948 80 90 261 20.280 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: 4C39.25 J0927+3902 61 67 216 43.765 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: OJ287 J0854+2006 76 78 173 27.030 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: OQ208 J1407+2827 66 70 192 44.309 19811119_a xat812 1981.11.20-07:26:54.240 SRC_STAT: VR422201 J2202+4216 105 111 335 26.972 19811119_a xat812 1981.11.20-07:26:54.240 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.11.20-07:26:22 1. HAYSTACK 7205 NOAM X Comp 1492404715.94 mm 19.942 mm 4.024 mm 4.007 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266456.38 mm 78.616 mm 7.912 mm 7.878 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881767.71 mm -26.294 mm 8.081 mm 8.046 mm HAYSTACK 7205 U Comp -68.00 mm -68.001 mm 10.762 mm 9.384 mm HAYSTACK 7205 E Comp 43.87 mm 43.871 mm 4.330 mm 3.776 mm HAYSTACK 7205 N Comp 26.85 mm 26.847 mm 3.086 mm 2.691 mm 4. HAYSTACK CL 0 1981.11.19-19:01:40.296 6599.993 ns 0.103 ns 0.103 ns 5. HAYSTACK CL 1 1981.11.19-19:01:40.296 -1.916 D-14 2.039 D-14 2.031 D-14 6. HAYSTACK CL 2 1981.11.19-19:01:40.296 1.304 D-14/day 1.694 D-14/day 1.687 D-14/day 32. HAYSTACK AT 0 1981.11.19-19:01:40.296 33.768 ps 39.971 ps 39.802 ps HAYSTACK Atm 1981.11.20-07:32:12.480 Avg: 40.480 ps Rms: 21.237 ps Tot_Rms: 45.713 ps || Nat: 154 Dura: 89368.0 sec Tzd_avg: 7887.4 Tzd_rms: 67.2 Wzd_avg: 385.5 Wzd_rms: 87.1 ps Prs_avg: 99644. Pa Tem_avg: 5.6 C Stm_avg: 0.7 C Stm_rms: 1.3 K Spr_avg: 676. Spr_rms: 57. Pa 108. HAYSTACK NG 1981.11.19-19:00:40.296 0.016 mm 0.419 mm 0.417 mm 109. HAYSTACK EG 1981.11.19-19:00:40.296 -0.071 mm 0.418 mm 0.416 mm 110. HAYSTACK NG 1981.11.20-03:00:40.296 -0.013 mm 0.373 mm 0.372 mm 111. HAYSTACK EG 1981.11.20-03:00:40.296 -0.096 mm 0.374 mm 0.372 mm 112. HAYSTACK NG 1981.11.20-11:00:40.296 -0.006 mm 0.375 mm 0.373 mm 113. HAYSTACK EG 1981.11.20-11:00:40.296 -0.032 mm 0.374 mm 0.372 mm 114. HAYSTACK NG 1981.11.20-19:00:40.296 0.111 mm 0.418 mm 0.416 mm 115. HAYSTACK EG 1981.11.20-19:00:40.296 0.069 mm 0.417 mm 0.415 mm 116. HRAS_085 7216 NOAM X Comp -1324211019.39 mm -2.391 mm 6.820 mm 6.791 mm 117. HRAS_085 7216 NOAM Y Comp -5332023070.15 mm 11.852 mm 22.406 mm 22.311 mm 118. HRAS_085 7216 NOAM Z Comp 3232118383.49 mm 76.491 mm 14.389 mm 14.328 mm HRAS_085 7216 U Comp 29.58 mm 29.578 mm 26.606 mm 23.201 mm HRAS_085 7216 E Comp -5.18 mm -5.177 mm 4.705 mm 4.103 mm HRAS_085 7216 N Comp 71.38 mm 71.382 mm 5.057 mm 4.410 mm 119. HRAS_085 CL 0 1981.11.19-19:01:40.296 27855.603 ns 0.191 ns 0.190 ns 120. HRAS_085 CL 1 1981.11.19-19:01:40.296 97.903 D-14 2.050 D-14 2.041 D-14 121. HRAS_085 CL 2 1981.11.19-19:01:40.296 4.259 D-14/day 1.703 D-14/day 1.696 D-14/day 147. HRAS_085 AT 0 1981.11.19-19:01:40.296 116.422 ps 65.772 ps 65.494 ps HRAS_085 Atm 1981.11.20-07:32:12.480 Avg: 84.780 ps Rms: 15.150 ps Tot_Rms: 86.123 ps || Nat: 149 Dura: 88863.0 sec Tzd_avg: 6529.9 Tzd_rms: 9.1 Wzd_avg: 113.0 Wzd_rms: 7.8 ps Prs_avg: 84584. Pa Tem_avg: 1.3 C Stm_avg: -5.5 C Stm_rms: 3.6 K Spr_avg: 151. Spr_rms: 65. Pa 223. HRAS_085 NG 1981.11.19-19:00:40.296 0.009 mm 0.421 mm 0.419 mm 224. HRAS_085 EG 1981.11.19-19:00:40.296 0.014 mm 0.422 mm 0.420 mm 225. HRAS_085 NG 1981.11.20-03:00:40.296 0.015 mm 0.376 mm 0.375 mm 226. HRAS_085 EG 1981.11.20-03:00:40.296 0.029 mm 0.376 mm 0.375 mm 227. HRAS_085 NG 1981.11.20-11:00:40.296 -0.012 mm 0.376 mm 0.375 mm 228. HRAS_085 EG 1981.11.20-11:00:40.296 -0.036 mm 0.376 mm 0.374 mm 229. HRAS_085 NG 1981.11.20-19:00:40.296 -0.031 mm 0.421 mm 0.419 mm 230. HRAS_085 EG 1981.11.20-19:00:40.296 -0.021 mm 0.421 mm 0.419 mm 231. NRAO_140 7204 NOAM X Comp 882879874.81 mm 35.814 mm 4.005 mm 3.988 mm 232. NRAO_140 7204 NOAM Y Comp -4924482277.09 mm 35.911 mm 8.801 mm 8.764 mm 233. NRAO_140 7204 NOAM Z Comp 3944130705.06 mm 17.059 mm 8.246 mm 8.211 mm NRAO_140 7204 U Comp -12.13 mm -12.132 mm 11.530 mm 10.055 mm NRAO_140 7204 E Comp 41.59 mm 41.589 mm 4.028 mm 3.512 mm NRAO_140 7204 N Comp 31.41 mm 31.407 mm 3.509 mm 3.060 mm 234. NRAO_140 CL 0 1981.11.19-19:01:40.296 11637.290 ns 0.110 ns 0.110 ns 235. NRAO_140 CL 1 1981.11.19-19:01:40.296 -45.169 D-14 2.039 D-14 2.031 D-14 236. NRAO_140 CL 2 1981.11.19-19:01:40.296 6.194 D-14/day 1.693 D-14/day 1.686 D-14/day 262. NRAO_140 AT 0 1981.11.19-19:01:40.296 15.767 ps 45.510 ps 45.318 ps NRAO_140 Atm 1981.11.20-07:32:12.480 Avg: -19.653 ps Rms: 44.030 ps Tot_Rms: 48.217 ps || Nat: 145 Dura: 89368.0 sec Tzd_avg: 7185.4 Tzd_rms: 139.0 Wzd_avg: 303.4 Wzd_rms: 137.8 ps Prs_avg: 91018. Pa Tem_avg: 9.8 C Stm_avg: 1.5 C Stm_rms: 0.6 K Spr_avg: 300. Spr_rms: 64. Pa 338. NRAO_140 NG 1981.11.19-19:00:40.296 -0.022 mm 0.418 mm 0.417 mm 339. NRAO_140 EG 1981.11.19-19:00:40.296 0.068 mm 0.418 mm 0.416 mm 340. NRAO_140 NG 1981.11.20-03:00:40.296 -0.029 mm 0.372 mm 0.371 mm 341. NRAO_140 EG 1981.11.20-03:00:40.296 -0.007 mm 0.373 mm 0.371 mm 342. NRAO_140 NG 1981.11.20-11:00:40.296 0.078 mm 0.374 mm 0.372 mm 343. NRAO_140 EG 1981.11.20-11:00:40.296 -0.021 mm 0.373 mm 0.371 mm 344. NRAO_140 NG 1981.11.20-19:00:40.296 -0.019 mm 0.415 mm 0.414 mm 345. NRAO_140 EG 1981.11.20-19:00:40.296 -0.025 mm 0.414 mm 0.412 mm 346. ONSALA60 7213 EURA X Comp 3370605898.67 mm -90.331 mm 13.061 mm 13.006 mm 347. ONSALA60 7213 EURA Y Comp 711917335.31 mm -193.692 mm 13.859 mm 13.800 mm 348. ONSALA60 7213 EURA Z Comp 5349830714.31 mm -51.689 mm 23.626 mm 23.526 mm ONSALA60 7213 U Comp -112.73 mm -112.734 mm 24.827 mm 21.649 mm ONSALA60 7213 E Comp -170.84 mm -170.844 mm 15.015 mm 13.093 mm ONSALA60 7213 N Comp 80.32 mm 80.321 mm 8.890 mm 7.752 mm 349. ONSALA60 CL 0 1981.11.19-19:01:40.296 10722.941 ns 0.185 ns 0.184 ns 350. ONSALA60 CL 1 1981.11.19-19:01:40.296 40.292 D-14 2.694 D-14 2.682 D-14 351. ONSALA60 CL 2 1981.11.19-19:01:40.296 5.846 D-14/day 3.737 D-14/day 3.722 D-14/day 377. ONSALA60 AT 0 1981.11.19-19:01:40.296 -20.381 ps 35.843 ps 35.691 ps ONSALA60 Atm 1981.11.20-07:32:12.480 Avg: -11.687 ps Rms: 39.428 ps Tot_Rms: 41.123 ps || Nat: 95 Dura: 89368.0 sec Tzd_avg: 7881.5 Tzd_rms: 90.4 Wzd_avg: 277.0 Wzd_rms: 75.4 ps Prs_avg: 100295. Pa Tem_avg: 5.9 C Stm_avg: -0.1 C Stm_rms: 0.6 K Spr_avg: -116. Spr_rms: 125. Pa 453. ONSALA60 NG 1981.11.19-19:00:40.296 -0.033 mm 0.422 mm 0.420 mm 454. ONSALA60 EG 1981.11.19-19:00:40.296 -0.013 mm 0.422 mm 0.420 mm 455. ONSALA60 NG 1981.11.20-03:00:40.296 -0.021 mm 0.376 mm 0.375 mm 456. ONSALA60 EG 1981.11.20-03:00:40.296 -0.011 mm 0.376 mm 0.375 mm 457. ONSALA60 NG 1981.11.20-11:00:40.296 0.006 mm 0.377 mm 0.375 mm 458. ONSALA60 EG 1981.11.20-11:00:40.296 -0.009 mm 0.377 mm 0.375 mm 459. ONSALA60 NG 1981.11.20-19:00:40.296 0.002 mm 0.422 mm 0.421 mm 460. ONSALA60 EG 1981.11.20-19:00:40.296 -0.003 mm 0.422 mm 0.421 mm 461. WESTFORD 7209 NOAM X Comp 1492206579.97 mm 36.966 mm 4.192 mm 4.174 mm 462. WESTFORD 7209 NOAM Y Comp -4458130454.69 mm 67.314 mm 8.864 mm 8.826 mm 463. WESTFORD 7209 NOAM Z Comp 4296015531.43 mm -15.567 mm 8.704 mm 8.667 mm WESTFORD 7209 U Comp -48.88 mm -48.882 mm 11.847 mm 10.331 mm WESTFORD 7209 E Comp 56.42 mm 56.420 mm 4.536 mm 3.955 mm WESTFORD 7209 N Comp 23.82 mm 23.817 mm 3.310 mm 2.887 mm 464. WESTFORD AT 0 1981.11.19-19:01:40.296 87.185 ps 41.012 ps 40.839 ps WESTFORD Atm 1981.11.20-07:32:12.480 Avg: 37.590 ps Rms: 36.645 ps Tot_Rms: 52.497 ps || Nat: 151 Dura: 87720.0 sec Tzd_avg: 7920.9 Tzd_rms: 65.8 Wzd_avg: 391.9 Wzd_rms: 86.7 ps Prs_avg: 99757. Pa Tem_avg: 7.2 C Stm_avg: 2.1 C Stm_rms: 1.8 K Spr_avg: 428. Spr_rms: 61. Pa 540. WESTFORD NG 1981.11.19-19:00:40.296 0.026 mm 0.420 mm 0.418 mm 541. WESTFORD EG 1981.11.19-19:00:40.296 -0.002 mm 0.419 mm 0.418 mm 542. WESTFORD NG 1981.11.20-03:00:40.296 0.056 mm 0.374 mm 0.373 mm 543. WESTFORD EG 1981.11.20-03:00:40.296 0.045 mm 0.375 mm 0.373 mm 544. WESTFORD NG 1981.11.20-11:00:40.296 -0.039 mm 0.375 mm 0.374 mm 545. WESTFORD EG 1981.11.20-11:00:40.296 0.065 mm 0.375 mm 0.373 mm 546. WESTFORD NG 1981.11.20-19:00:40.296 -0.026 mm 0.420 mm 0.418 mm 547. WESTFORD EG 1981.11.20-19:00:40.296 -0.016 mm 0.419 mm 0.417 mm Atmosphere Constraint Statistics 2. HAYSTACK Input 50.00 ps/h RMS 24.85 ps/h NRMS 0.50 share 0.66 count 76 3. HRAS_085 Input 50.00 ps/h RMS 16.17 ps/h NRMS 0.32 share 0.83 count 76 4. NRAO_140 Input 50.00 ps/h RMS 34.10 ps/h NRMS 0.68 share 0.70 count 76 5. ONSALA60 Input 50.00 ps/h RMS 21.74 ps/h NRMS 0.43 share 0.82 count 76 8. WESTFORD Input 50.00 ps/h RMS 25.34 ps/h NRMS 0.51 share 0.70 count 76 Overall RMS 25.13 ps/h NRMS 0.50 share 0.74 count 380 Gradient Constraint Statistics 2. HAYSTACK Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.11 share 0.53 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 4. NRAO_140 Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.52 count 8 5. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 8. WESTFORD Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 Overall RMS 0.16 mm/d NRMS 0.08 share 0.53 count 40 Clock Constraint Statistics 2. HAYSTACK Input 5.00 D-14 RMS 1.67 D-14 NRMS 0.33 share 0.15 count 26 3. HRAS_085 Input 5.00 D-14 RMS 2.33 D-14 NRMS 0.47 share 0.18 count 26 4. NRAO_140 Input 5.00 D-14 RMS 2.35 D-14 NRMS 0.47 share 0.16 count 26 5. ONSALA60 Input 5.00 D-14 RMS 1.64 D-14 NRMS 0.33 share 0.56 count 26 Overall RMS 2.03 D-14 NRMS 0.41 share 0.26 count 104 548. UT1-TAI 1, 1981.11.20-07:26:00.000 -2.3450 ms/d -74.93 micros/d 92.42 micros/d 92.03 micros/d EOP epoch (TDT) MJD: 44928.310095 NUT epoch (TDT) MJD: 44928.313467 549. Nutation DPSI wrt apriori model 1981.11.20-07:26:22.056 0.322 mas 758.3 microasec 755.1 microasec Nutation Dx wrt apriori model 1981.11.20-07:26:22.056 0.131 mas 299.9 microasec 298.7 microasec Nutation DPSI wrt Wahr 1980 model 1981.11.20-07:26:22.056 2.510 mas 758.3 microasec 755.1 microasec 550. Nutation DEPS wrt apriori model 1981.11.20-07:26:22.056 -0.589 mas 423.7 microasec 421.9 microasec Nutation Dy wrt apriori model 1981.11.20-07:26:22.056 -0.589 mas 424.9 microasec 423.1 microasec Nutation DEPS wrt Wahr 1980 model 1981.11.20-07:26:22.056 0.664 mas 423.7 microasec 421.9 microasec 551. HAYSTACK HRAS_085 Clock offset 22.425 ps 9.651 ps 9.611 ps 552. HAYSTACK NRAO_140 Clock offset 18.164 ps 5.510 ps 5.487 ps 553. HAYSTACK ONSALA60 Clock offset -7.973 ps 15.824 ps 15.758 ps 554. HRAS_085 NRAO_140 Clock offset -32.388 ps 9.314 ps 9.274 ps 555. HRAS_085 ONSALA60 Clock offset -52.817 ps 21.295 ps 21.205 ps 556. NRAO_140 ONSALA60 Clock offset -32.073 ps 17.027 ps 16.955 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0239 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.11.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640986.82 9.28 3135640986.82 9.28 47.13 2.83 -115.26 32.58 HAYSTACK 7205 to NRAO_140 7204 845129852.31 2.34 845129852.31 2.34 0.34 2.02 -62.61 11.25 HAYSTACK 7205 to ONSALA60 7213 5599714478.37 11.18 5599714478.37 11.18 -24.63 7.81 -20.56 35.14 HAYSTACK 7205 to WESTFORD 7209 1239401.55 2.62 1239401.55 2.62 -12.75 2.64 -19.09 12.15 HRAS_085 7216 to NRAO_140 7204 2354633996.90 7.56 2354633996.90 7.56 45.33 2.88 55.06 33.33 HRAS_085 7216 to ONSALA60 7213 7940732147.28 24.41 7940732147.28 24.41 80.10 9.02 33.61 41.48 HRAS_085 7216 to WESTFORD 7209 3134927995.78 9.42 3134927995.78 9.42 53.07 3.22 99.50 33.21 NRAO_140 7204 to ONSALA60 7213 6319317516.66 12.01 6319317516.66 12.01 -15.04 7.85 19.22 35.54 NRAO_140 7204 to WESTFORD 7209 844148083.51 2.75 844148083.51 2.75 9.27 2.40 44.10 12.89 ONSALA60 7213 to WESTFORD 7209 5600741432.26 11.94 5600741432.26 11.94 -35.87 7.94 0.59 35.57 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:43 Correlator type: Unknown Experiment code: pol035 Mark-3 db_name: $81NOV24XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811124_a Ver 2 pol035 Matrix Condition Number = 2.856206856568597E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.0 6.4 838.1 2.1 16.0 0.5 WESTFORD MET -1.9 2.5 1004.3 0.9 44.4 1.1 Run 26091-1735 236 Observation Pairs Available Session started on: 2444933.251400 1981.11.24 18:02:00.960 UTC Nominal duration: 87972.480 sec 01 00:26:12.480 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 185 77.369 ps 0.89 1.0054 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 185 Number of potentially good observations with QC 5-9: 185 Number of used observations: 185 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 185 185 77.369 0.89 19811124_a pol035 1981.11.25-06:15:07.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 15 108.214 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 0212+735 J0217+7349 11 11 15 128.706 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 0234+285 J0237+2848 14 14 15 125.775 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 0552+398 J0555+3948 18 18 19 119.361 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 1637+574 J1638+5720 13 13 23 94.666 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 2134+00 J2136+0041 6 6 15 158.066 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 3C273B J1229+0203 15 15 15 29.939 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 3C345 J1642+3948 23 23 23 38.875 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 3C454.3 J2253+1608 10 10 15 30.565 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: 4C39.25 J0927+3902 6 6 15 74.609 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: NRAO150 J0359+5057 15 15 16 88.232 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: OJ287 J0854+2006 14 14 15 58.331 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: OQ208 J1407+2827 17 17 23 124.419 19811124_a pol035 1981.11.25-06:15:07.200 SRC_STAT: VR422201 J2202+4216 10 10 12 77.933 19811124_a pol035 1981.11.25-06:15:07.200 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.11.25-06:14:35 1. HRAS_085 7216 NOAM X Comp -1324211066.78 mm -49.778 mm 7.136 mm 7.155 mm 2. HRAS_085 7216 NOAM Y Comp -5332023111.91 mm -29.910 mm 27.798 mm 27.873 mm 3. HRAS_085 7216 NOAM Z Comp 3232118384.68 mm 77.680 mm 21.345 mm 21.402 mm HRAS_085 7216 U Comp 74.88 mm 74.885 mm 33.775 mm 30.207 mm HRAS_085 7216 E Comp -41.10 mm -41.101 mm 9.874 mm 8.831 mm HRAS_085 7216 N Comp 45.93 mm 45.930 mm 6.406 mm 5.729 mm 4. HRAS_085 CL 0 1981.11.24-18:01:28.776 28169.774 ns 0.368 ns 0.369 ns 5. HRAS_085 CL 1 1981.11.24-18:01:28.776 86.614 D-14 2.140 D-14 2.146 D-14 6. HRAS_085 CL 2 1981.11.24-18:01:28.776 2.537 D-14/day 1.773 D-14/day 1.778 D-14/day 32. HRAS_085 AT 0 1981.11.24-18:01:28.776 -66.800 ps 91.793 ps 92.041 ps HRAS_085 Atm 1981.11.25-06:32:00.960 Avg: -81.318 ps Rms: 35.393 ps Tot_Rms: 88.686 ps || Nat: 236 Dura: 87970.0 sec Tzd_avg: 6474.3 Tzd_rms: 16.2 Wzd_avg: 114.5 Wzd_rms: 30.7 ps Prs_avg: 83807. Pa Tem_avg: 13.0 C Stm_avg: -5.2 C Stm_rms: 5.6 K Spr_avg: 124. Spr_rms: 86. Pa 108. HRAS_085 NG 1981.11.24-18:00:28.776 -0.015 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1981.11.24-18:00:28.776 0.001 mm 0.422 mm 0.423 mm 110. HRAS_085 NG 1981.11.25-02:00:28.776 -0.008 mm 0.377 mm 0.378 mm 111. HRAS_085 EG 1981.11.25-02:00:28.776 -0.005 mm 0.377 mm 0.378 mm 112. HRAS_085 NG 1981.11.25-10:00:28.776 -0.021 mm 0.377 mm 0.378 mm 113. HRAS_085 EG 1981.11.25-10:00:28.776 0.016 mm 0.377 mm 0.378 mm 114. HRAS_085 NG 1981.11.25-18:00:28.776 -0.019 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1981.11.25-18:00:28.776 0.013 mm 0.422 mm 0.423 mm 116. WESTFORD 7209 NOAM X Comp 1492206592.78 mm 49.778 mm 7.136 mm 7.155 mm 117. WESTFORD 7209 NOAM Y Comp -4458130492.09 mm 29.910 mm 27.798 mm 27.873 mm 118. WESTFORD 7209 NOAM Z Comp 4296015469.32 mm -77.680 mm 21.345 mm 21.402 mm WESTFORD 7209 U Comp -61.84 mm -61.839 mm 33.805 mm 30.234 mm WESTFORD 7209 E Comp 56.70 mm 56.698 mm 10.848 mm 9.702 mm WESTFORD 7209 N Comp -48.66 mm -48.662 mm 4.338 mm 3.880 mm 119. WESTFORD AT 0 1981.11.24-18:01:28.776 90.786 ps 104.524 ps 104.806 ps WESTFORD Atm 1981.11.25-06:32:00.960 Avg: 77.767 ps Rms: 29.509 ps Tot_Rms: 83.177 ps || Nat: 236 Dura: 87970.0 sec Tzd_avg: 7710.4 Tzd_rms: 9.5 Wzd_avg: 119.0 Wzd_rms: 9.4 ps Prs_avg: 100427. Pa Tem_avg: -1.9 C Stm_avg: -0.5 C Stm_rms: 0.8 K Spr_avg: 393. Spr_rms: 67. Pa 195. WESTFORD NG 1981.11.24-18:00:28.776 0.007 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1981.11.24-18:00:28.776 -0.013 mm 0.422 mm 0.423 mm 197. WESTFORD NG 1981.11.25-02:00:28.776 -0.019 mm 0.377 mm 0.378 mm 198. WESTFORD EG 1981.11.25-02:00:28.776 -0.010 mm 0.377 mm 0.378 mm 199. WESTFORD NG 1981.11.25-10:00:28.776 -0.005 mm 0.377 mm 0.378 mm 200. WESTFORD EG 1981.11.25-10:00:28.776 0.006 mm 0.377 mm 0.378 mm 201. WESTFORD NG 1981.11.25-18:00:28.776 -0.001 mm 0.422 mm 0.423 mm 202. WESTFORD EG 1981.11.25-18:00:28.776 0.027 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.82 ps/h NRMS 0.24 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 10.23 ps/h NRMS 0.20 share 0.92 count 76 Overall RMS 11.05 ps/h NRMS 0.22 share 0.93 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.39 D-14 NRMS 0.48 share 0.27 count 26 Overall RMS 2.39 D-14 NRMS 0.48 share 0.27 count 26 203. UT1-TAI 1, 1981.11.25-06:15:00.000 -2.3946 ms/d -511.54 micros/d 354.51 micros/d 355.47 micros/d EOP epoch (TDT) MJD: 44933.260789 NUT epoch (TDT) MJD: 44933.319407 204. Nutation DPSI wrt apriori model 1981.11.25-06:14:35.016 -1.437 mas 2489.0 microasec 2495.7 microasec Nutation Dx wrt apriori model 1981.11.25-06:14:35.016 -0.573 mas 984.9 microasec 987.6 microasec Nutation DPSI wrt Wahr 1980 model 1981.11.25-06:14:35.016 0.910 mas 2489.0 microasec 2495.7 microasec 205. Nutation DEPS wrt apriori model 1981.11.25-06:14:35.016 0.266 mas 1300.3 microasec 1303.9 microasec Nutation Dy wrt apriori model 1981.11.25-06:14:35.016 0.264 mas 1304.4 microasec 1307.9 microasec Nutation DEPS wrt Wahr 1980 model 1981.11.25-06:14:35.016 2.045 mas 1300.3 microasec 1303.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0819 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.11.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928029.60 14.75 3134928029.60 14.75 122.44 7.28 140.66 69.62 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:46 Correlator type: Unknown Experiment code: pol036 Mark-3 db_name: $81DEC02XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811202_a Ver 2 pol036 Matrix Condition Number = 3.236519402895491E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.5 5.4 838.1 1.6 22.6 1.1 WESTFORD MET 4.1 1.7 998.1 4.5 76.9 6.6 Run 26091-1735 202 Observation Pairs Available Session started on: 2444940.524500 1981.12.02 00:35:16.800 UTC Nominal duration: 85622.400 sec 00 23:47:02.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 122 83.412 ps 0.87 1.0308 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 123 Number of potentially good observations with QC 5-9: 123 Number of used observations: 122 ( 99.19%) Number of suppressed observations: 1 ( 0.81%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 122 123 83.412 0.87 19811202_a pol036 1981.12.02-12:28:48.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 13 109.209 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 0212+735 J0217+7349 0 0 14 0.000 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 0234+285 J0237+2848 10 10 13 147.300 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 0552+398 J0555+3948 14 14 19 150.607 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 1637+574 J1638+5720 5 5 16 144.814 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 2134+00 J2136+0041 6 6 13 82.790 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 3C273B J1229+0203 10 10 11 52.558 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 3C345 J1642+3948 15 15 18 40.620 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 3C454.3 J2253+1608 8 8 13 59.387 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: 4C39.25 J0927+3902 0 0 14 0.000 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: NRAO150 J0359+5057 15 15 16 85.589 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: OJ287 J0854+2006 15 15 15 65.533 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: OQ208 J1407+2827 4 5 17 130.969 19811202_a pol036 1981.12.02-12:28:48.000 SRC_STAT: VR422201 J2202+4216 7 7 10 60.594 19811202_a pol036 1981.12.02-12:28:48.000 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.12.02-12:28:15 1. HRAS_085 7216 NOAM X Comp -1324211093.78 mm -76.776 mm 7.721 mm 7.839 mm 2. HRAS_085 7216 NOAM Y Comp -5332023051.64 mm 30.359 mm 30.287 mm 30.750 mm 3. HRAS_085 7216 NOAM Z Comp 3232118381.40 mm 74.401 mm 22.089 mm 22.426 mm HRAS_085 7216 U Comp 28.49 mm 28.485 mm 36.470 mm 31.683 mm HRAS_085 7216 E Comp -81.83 mm -81.829 mm 9.113 mm 7.917 mm HRAS_085 7216 N Comp 69.60 mm 69.600 mm 7.194 mm 6.250 mm 4. HRAS_085 CL 0 1981.12.02-00:34:44.616 28162.864 ns 0.396 ns 0.402 ns 5. HRAS_085 CL 1 1981.12.02-00:34:44.616 125.824 D-14 2.256 D-14 2.290 D-14 6. HRAS_085 CL 2 1981.12.02-00:34:44.616 0.861 D-14/day 1.953 D-14/day 1.983 D-14/day 31. HRAS_085 AT 0 1981.12.02-00:34:44.616 20.935 ps 108.655 ps 110.313 ps HRAS_085 Atm 1981.12.02-12:35:16.800 Avg: 13.855 ps Rms: 20.988 ps Tot_Rms: 25.148 ps || Nat: 202 Dura: 85620.0 sec Tzd_avg: 6443.9 Tzd_rms: 18.4 Wzd_avg: 78.0 Wzd_rms: 7.7 ps Prs_avg: 83818. Pa Tem_avg: 7.5 C Stm_avg: 1.3 C Stm_rms: 3.6 K Spr_avg: 71. Spr_rms: 82. Pa 104. HRAS_085 NG 1981.12.02-00:33:44.616 -0.001 mm 0.422 mm 0.429 mm 105. HRAS_085 EG 1981.12.02-00:33:44.616 0.003 mm 0.422 mm 0.429 mm 106. HRAS_085 NG 1981.12.02-08:33:44.616 -0.000 mm 0.377 mm 0.383 mm 107. HRAS_085 EG 1981.12.02-08:33:44.616 0.005 mm 0.377 mm 0.383 mm 108. HRAS_085 NG 1981.12.02-16:33:44.616 -0.002 mm 0.377 mm 0.383 mm 109. HRAS_085 EG 1981.12.02-16:33:44.616 -0.002 mm 0.377 mm 0.383 mm 110. HRAS_085 NG 1981.12.03-00:33:44.616 0.004 mm 0.422 mm 0.429 mm 111. HRAS_085 EG 1981.12.03-00:33:44.616 0.005 mm 0.422 mm 0.429 mm 112. WESTFORD 7209 NOAM X Comp 1492206619.78 mm 76.776 mm 7.721 mm 7.839 mm 113. WESTFORD 7209 NOAM Y Comp -4458130552.36 mm -30.359 mm 30.287 mm 30.750 mm 114. WESTFORD 7209 NOAM Z Comp 4296015472.60 mm -74.401 mm 22.089 mm 22.426 mm WESTFORD 7209 U Comp -11.25 mm -11.251 mm 35.285 mm 30.654 mm WESTFORD 7209 E Comp 63.17 mm 63.169 mm 13.417 mm 11.656 mm WESTFORD 7209 N Comp -90.75 mm -90.745 mm 6.307 mm 5.479 mm 115. WESTFORD AT 0 1981.12.02-00:34:44.616 -14.083 ps 59.656 ps 60.566 ps WESTFORD Atm 1981.12.02-12:35:16.800 Avg: -4.802 ps Rms: 21.345 ps Tot_Rms: 21.879 ps || Nat: 202 Dura: 85620.0 sec Tzd_avg: 8044.1 Tzd_rms: 105.4 Wzd_avg: 517.5 Wzd_rms: 106.2 ps Prs_avg: 99801. Pa Tem_avg: 4.1 C Stm_avg: -2.1 C Stm_rms: 3.7 K Spr_avg: 447. Spr_rms: 93. Pa 188. WESTFORD NG 1981.12.02-00:33:44.616 -0.004 mm 0.422 mm 0.429 mm 189. WESTFORD EG 1981.12.02-00:33:44.616 -0.003 mm 0.422 mm 0.429 mm 190. WESTFORD NG 1981.12.02-08:33:44.616 -0.002 mm 0.377 mm 0.383 mm 191. WESTFORD EG 1981.12.02-08:33:44.616 0.002 mm 0.377 mm 0.383 mm 192. WESTFORD NG 1981.12.02-16:33:44.616 0.002 mm 0.377 mm 0.383 mm 193. WESTFORD EG 1981.12.02-16:33:44.616 0.013 mm 0.377 mm 0.383 mm 194. WESTFORD NG 1981.12.03-00:33:44.616 0.001 mm 0.422 mm 0.429 mm 195. WESTFORD EG 1981.12.03-00:33:44.616 0.004 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.50 ps/h NRMS 0.17 share 0.94 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.62 ps/h NRMS 0.19 share 0.93 count 73 Overall RMS 9.08 ps/h NRMS 0.18 share 0.94 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.18 D-14 NRMS 0.64 share 0.38 count 25 Overall RMS 3.18 D-14 NRMS 0.64 share 0.38 count 25 196. UT1-TAI 1, 1981.12.02-12:28:00.000 -2.0786 ms/d -84.71 micros/d 354.33 micros/d 359.74 micros/d EOP epoch (TDT) MJD: 44940.519817 NUT epoch (TDT) MJD: 44940.523976 197. Nutation DPSI wrt apriori model 1981.12.02-12:28:15.816 -1.805 mas 4721.3 microasec 4793.4 microasec Nutation Dx wrt apriori model 1981.12.02-12:28:15.816 -0.715 mas 1873.8 microasec 1902.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.12.02-12:28:15.816 1.205 mas 4721.3 microasec 4793.4 microasec 198. Nutation DEPS wrt apriori model 1981.12.02-12:28:15.816 -0.657 mas 1086.0 microasec 1102.6 microasec Nutation Dy wrt apriori model 1981.12.02-12:28:15.816 -0.660 mas 1093.6 microasec 1110.3 microasec Nutation DEPS wrt Wahr 1980 model 1981.12.02-12:28:15.816 0.884 mas 1086.0 microasec 1102.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1666 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.12.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928046.73 16.93 3134928046.73 16.93 206.89 10.51 40.35 73.91 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:49 Correlator type: Unknown Experiment code: pol037 Mark-3 db_name: $81DEC16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811216_a Ver 2 pol037 Matrix Condition Number = 1.307538609891432E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.5 6.5 841.2 2.5 15.7 10.8 WESTFORD MET -0.0 1.3 1002.6 5.7 71.8 15.6 Run 26091-1735 234 Observation Pairs Available Session started on: 2444955.251400 1981.12.16 18:02:00.960 UTC Nominal duration: 86477.760 sec 01 00:01:17.760 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 197 62.189 ps 0.89 1.0083 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 197 Number of potentially good observations with QC 5-9: 197 Number of used observations: 197 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 197 197 62.189 0.89 19811216_a pol037 1981.12.17-06:02:39.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 64.299 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 0212+735 J0217+7349 13 13 15 114.218 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 0234+285 J0237+2848 15 15 15 76.002 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 0552+398 J0555+3948 18 18 19 101.171 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 1637+574 J1638+5720 15 15 21 160.790 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 2134+00 J2136+0041 11 11 17 82.560 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 3C273B J1229+0203 15 15 15 27.429 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 3C345 J1642+3948 21 21 22 31.758 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 3C454.3 J2253+1608 8 8 15 23.146 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: 4C39.25 J0927+3902 5 5 15 93.009 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: NRAO150 J0359+5057 14 14 15 69.800 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: OJ287 J0854+2006 14 14 14 57.745 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: OQ208 J1407+2827 21 21 23 85.103 19811216_a pol037 1981.12.17-06:02:39.840 SRC_STAT: VR422201 J2202+4216 12 12 13 46.843 19811216_a pol037 1981.12.17-06:02:39.840 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.12.17-06:02:07 1. HRAS_085 7216 NOAM X Comp -1324211053.48 mm -36.484 mm 5.082 mm 5.103 mm 2. HRAS_085 7216 NOAM Y Comp -5332023174.15 mm -92.145 mm 19.246 mm 19.326 mm 3. HRAS_085 7216 NOAM Z Comp 3232118376.70 mm 69.697 mm 14.182 mm 14.241 mm HRAS_085 7216 U Comp 120.03 mm 120.029 mm 23.453 mm 20.804 mm HRAS_085 7216 E Comp -13.20 mm -13.198 mm 5.500 mm 4.879 mm HRAS_085 7216 N Comp 9.91 mm 9.915 mm 4.131 mm 3.665 mm 4. HRAS_085 CL 0 1981.12.16-18:01:28.776 32647.525 ns 0.273 ns 0.274 ns 5. HRAS_085 CL 1 1981.12.16-18:01:28.776 124.137 D-14 2.175 D-14 2.184 D-14 6. HRAS_085 CL 2 1981.12.16-18:01:28.776 0.518 D-14/day 1.867 D-14/day 1.874 D-14/day 31. HRAS_085 AT 0 1981.12.16-18:01:28.776 -117.331 ps 71.891 ps 72.191 ps HRAS_085 Atm 1981.12.17-06:02:00.960 Avg: -56.230 ps Rms: 32.146 ps Tot_Rms: 64.771 ps || Nat: 234 Dura: 86470.0 sec Tzd_avg: 6497.6 Tzd_rms: 35.6 Wzd_avg: 112.3 Wzd_rms: 23.3 ps Prs_avg: 84118. Pa Tem_avg: 6.5 C Stm_avg: -5.3 C Stm_rms: 3.5 K Spr_avg: 100. Spr_rms: 68. Pa 104. HRAS_085 NG 1981.12.16-18:00:28.776 0.007 mm 0.422 mm 0.424 mm 105. HRAS_085 EG 1981.12.16-18:00:28.776 0.016 mm 0.422 mm 0.424 mm 106. HRAS_085 NG 1981.12.17-02:00:28.776 0.011 mm 0.377 mm 0.379 mm 107. HRAS_085 EG 1981.12.17-02:00:28.776 0.007 mm 0.377 mm 0.378 mm 108. HRAS_085 NG 1981.12.17-10:00:28.776 -0.026 mm 0.377 mm 0.379 mm 109. HRAS_085 EG 1981.12.17-10:00:28.776 -0.029 mm 0.377 mm 0.378 mm 110. HRAS_085 NG 1981.12.17-18:00:28.776 -0.025 mm 0.422 mm 0.424 mm 111. HRAS_085 EG 1981.12.17-18:00:28.776 -0.039 mm 0.422 mm 0.424 mm 112. WESTFORD 7209 NOAM X Comp 1492206579.48 mm 36.484 mm 5.082 mm 5.103 mm 113. WESTFORD 7209 NOAM Y Comp -4458130429.85 mm 92.145 mm 19.246 mm 19.326 mm 114. WESTFORD 7209 NOAM Z Comp 4296015477.30 mm -69.697 mm 14.182 mm 14.241 mm WESTFORD 7209 U Comp -102.97 mm -102.973 mm 22.480 mm 19.940 mm WESTFORD 7209 E Comp 63.84 mm 63.845 mm 8.979 mm 7.964 mm WESTFORD 7209 N Comp 0.03 mm 0.027 mm 3.379 mm 2.997 mm 115. WESTFORD AT 0 1981.12.16-18:01:28.776 -27.151 ps 66.459 ps 66.736 ps WESTFORD Atm 1981.12.17-06:02:00.960 Avg: 2.354 ps Rms: 21.713 ps Tot_Rms: 21.841 ps || Nat: 234 Dura: 86470.0 sec Tzd_avg: 7716.5 Tzd_rms: 54.5 Wzd_avg: 140.7 Wzd_rms: 43.4 ps Prs_avg: 100257. Pa Tem_avg: -0.0 C Stm_avg: 2.5 C Stm_rms: 0.8 K Spr_avg: 418. Spr_rms: 45. Pa 188. WESTFORD NG 1981.12.16-18:00:28.776 -0.008 mm 0.422 mm 0.424 mm 189. WESTFORD EG 1981.12.16-18:00:28.776 -0.024 mm 0.422 mm 0.424 mm 190. WESTFORD NG 1981.12.17-02:00:28.776 -0.018 mm 0.377 mm 0.379 mm 191. WESTFORD EG 1981.12.17-02:00:28.776 -0.027 mm 0.377 mm 0.378 mm 192. WESTFORD NG 1981.12.17-10:00:28.776 0.002 mm 0.377 mm 0.379 mm 193. WESTFORD EG 1981.12.17-10:00:28.776 0.012 mm 0.377 mm 0.378 mm 194. WESTFORD NG 1981.12.17-18:00:28.776 0.008 mm 0.422 mm 0.424 mm 195. WESTFORD EG 1981.12.17-18:00:28.776 0.023 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.00 ps/h NRMS 0.24 share 0.90 count 73 2. WESTFORD Input 50.00 ps/h RMS 11.25 ps/h NRMS 0.23 share 0.87 count 73 Overall RMS 11.63 ps/h NRMS 0.23 share 0.89 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.75 D-14 NRMS 0.55 share 0.24 count 25 Overall RMS 2.75 D-14 NRMS 0.55 share 0.24 count 25 196. UT1-TAI 1, 1981.12.17-06:02:00.000 -2.5890 ms/d -177.84 micros/d 307.86 micros/d 309.15 micros/d EOP epoch (TDT) MJD: 44955.251761 NUT epoch (TDT) MJD: 44955.294846 197. Nutation DPSI wrt apriori model 1981.12.17-06:02:07.656 3.050 mas 1887.5 microasec 1895.4 microasec Nutation Dx wrt apriori model 1981.12.17-06:02:07.656 1.215 mas 746.3 microasec 749.4 microasec Nutation DPSI wrt Wahr 1980 model 1981.12.17-06:02:07.656 7.311 mas 1887.5 microasec 1895.4 microasec 198. Nutation DEPS wrt apriori model 1981.12.17-06:02:07.656 -0.391 mas 1133.6 microasec 1138.3 microasec Nutation Dy wrt apriori model 1981.12.17-06:02:07.656 -0.386 mas 1136.7 microasec 1141.4 microasec Nutation DEPS wrt Wahr 1980 model 1981.12.17-06:02:07.656 1.979 mas 1133.6 microasec 1138.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0815 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.12.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928045.82 10.79 3134928045.82 10.79 31.76 5.87 229.92 47.31 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:52 Correlator type: Unknown Experiment code: pol038 Mark-3 db_name: $81DEC22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811222_a Ver 2 pol038 Matrix Condition Number = 2.017588890873069E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 0.2 6.4 837.4 1.2 21.6 2.0 WESTFORD MET 0.4 0.8 1000.0 4.2 85.7 1.4 Run 26091-1735 221 Observation Pairs Available Session started on: 2444961.251400 1981.12.22 18:02:00.960 UTC Nominal duration: 87903.360 sec 01 00:25:03.360 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 134 57.941 ps 0.86 1.0345 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 136 Number of potentially good observations with QC 5-9: 136 Number of used observations: 134 ( 98.53%) Number of suppressed observations: 2 ( 1.47%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 134 136 57.941 0.86 19811222_a pol038 1981.12.23-06:14:32.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 67.013 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 0212+735 J0217+7349 12 12 15 130.782 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 0234+285 J0237+2848 15 15 15 75.694 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 0552+398 J0555+3948 10 10 15 84.993 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 1637+574 J1638+5720 1 1 22 68.794 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 2134+00 J2136+0041 7 7 15 68.830 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 3C273B J1229+0203 10 10 12 44.709 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 3C345 J1642+3948 22 22 24 41.610 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 3C454.3 J2253+1608 9 9 14 25.656 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: 4C39.25 J0927+3902 1 1 13 88.594 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: NRAO150 J0359+5057 13 13 13 46.970 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: OJ287 J0854+2006 8 9 12 54.811 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: OQ208 J1407+2827 2 3 23 259.016 19811222_a pol038 1981.12.23-06:14:32.640 SRC_STAT: VR422201 J2202+4216 9 9 13 105.599 19811222_a pol038 1981.12.23-06:14:32.640 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.12.23-06:14:00 1. HRAS_085 7216 NOAM X Comp -1324211069.67 mm -52.673 mm 6.203 mm 6.309 mm 2. HRAS_085 7216 NOAM Y Comp -5332023143.68 mm -61.679 mm 24.122 mm 24.535 mm 3. HRAS_085 7216 NOAM Z Comp 3232118388.24 mm 81.242 mm 17.345 mm 17.642 mm HRAS_085 7216 U Comp 103.83 mm 103.829 mm 28.917 mm 24.942 mm HRAS_085 7216 E Comp -36.25 mm -36.254 mm 7.094 mm 6.119 mm HRAS_085 7216 N Comp 32.93 mm 32.928 mm 5.894 mm 5.084 mm 4. HRAS_085 CL 0 1981.12.22-18:01:28.776 31370.416 ns 0.331 ns 0.336 ns 5. HRAS_085 CL 1 1981.12.22-18:01:28.776 111.839 D-14 2.264 D-14 2.303 D-14 6. HRAS_085 CL 2 1981.12.22-18:01:28.776 3.541 D-14/day 1.922 D-14/day 1.955 D-14/day 32. HRAS_085 AT 0 1981.12.22-18:01:28.776 -104.848 ps 72.353 ps 73.591 ps HRAS_085 Atm 1981.12.23-06:32:00.960 Avg: -106.992 ps Rms: 42.852 ps Tot_Rms: 115.254 ps || Nat: 221 Dura: 87900.0 sec Tzd_avg: 6468.1 Tzd_rms: 30.8 Wzd_avg: 111.3 Wzd_rms: 29.0 ps Prs_avg: 83741. Pa Tem_avg: 0.3 C Stm_avg: -3.1 C Stm_rms: 2.6 K Spr_avg: 100. Spr_rms: 67. Pa 108. HRAS_085 NG 1981.12.22-18:00:28.776 -0.004 mm 0.422 mm 0.430 mm 109. HRAS_085 EG 1981.12.22-18:00:28.776 -0.001 mm 0.422 mm 0.430 mm 110. HRAS_085 NG 1981.12.23-02:00:28.776 -0.007 mm 0.377 mm 0.383 mm 111. HRAS_085 EG 1981.12.23-02:00:28.776 -0.003 mm 0.377 mm 0.383 mm 112. HRAS_085 NG 1981.12.23-10:00:28.776 -0.014 mm 0.377 mm 0.384 mm 113. HRAS_085 EG 1981.12.23-10:00:28.776 -0.004 mm 0.377 mm 0.383 mm 114. HRAS_085 NG 1981.12.23-18:00:28.776 -0.007 mm 0.422 mm 0.430 mm 115. HRAS_085 EG 1981.12.23-18:00:28.776 0.009 mm 0.422 mm 0.430 mm 116. WESTFORD 7209 NOAM X Comp 1492206595.67 mm 52.673 mm 6.203 mm 6.309 mm 117. WESTFORD 7209 NOAM Y Comp -4458130460.32 mm 61.679 mm 24.122 mm 24.535 mm 118. WESTFORD 7209 NOAM Z Comp 4296015465.76 mm -81.242 mm 17.345 mm 17.642 mm WESTFORD 7209 U Comp -85.75 mm -85.745 mm 27.686 mm 23.880 mm WESTFORD 7209 E Comp 69.53 mm 69.527 mm 10.891 mm 9.394 mm WESTFORD 7209 N Comp -31.51 mm -31.509 mm 6.011 mm 5.184 mm 119. WESTFORD AT 0 1981.12.22-18:01:28.776 -26.488 ps 74.179 ps 75.448 ps WESTFORD Atm 1981.12.23-06:32:00.960 Avg: 28.579 ps Rms: 51.870 ps Tot_Rms: 59.222 ps || Nat: 221 Dura: 87900.0 sec Tzd_avg: 7913.9 Tzd_rms: 52.9 Wzd_avg: 366.4 Wzd_rms: 70.4 ps Prs_avg: 99993. Pa Tem_avg: 0.4 C Stm_avg: 2.0 C Stm_rms: 1.8 K Spr_avg: 433. Spr_rms: 73. Pa 195. WESTFORD NG 1981.12.22-18:00:28.776 -0.000 mm 0.422 mm 0.430 mm 196. WESTFORD EG 1981.12.22-18:00:28.776 -0.003 mm 0.422 mm 0.429 mm 197. WESTFORD NG 1981.12.23-02:00:28.776 -0.003 mm 0.377 mm 0.383 mm 198. WESTFORD EG 1981.12.23-02:00:28.776 -0.006 mm 0.377 mm 0.383 mm 199. WESTFORD NG 1981.12.23-10:00:28.776 0.003 mm 0.377 mm 0.384 mm 200. WESTFORD EG 1981.12.23-10:00:28.776 0.006 mm 0.377 mm 0.383 mm 201. WESTFORD NG 1981.12.23-18:00:28.776 -0.002 mm 0.422 mm 0.430 mm 202. WESTFORD EG 1981.12.23-18:00:28.776 -0.010 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.90 ps/h NRMS 0.22 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.84 ps/h NRMS 0.30 share 0.91 count 76 Overall RMS 13.02 ps/h NRMS 0.26 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.00 D-14 NRMS 0.40 share 0.33 count 26 Overall RMS 2.00 D-14 NRMS 0.40 share 0.33 count 26 203. UT1-TAI 1, 1981.12.23-06:14:00.000 -1.8274 ms/d 172.66 micros/d 496.19 micros/d 504.68 micros/d EOP epoch (TDT) MJD: 44961.260095 NUT epoch (TDT) MJD: 44961.187074 204. Nutation DPSI wrt apriori model 1981.12.23-06:14:00.456 -0.394 mas 2969.5 microasec 3020.2 microasec Nutation Dx wrt apriori model 1981.12.23-06:14:00.456 -0.153 mas 1174.7 microasec 1194.7 microasec Nutation DPSI wrt Wahr 1980 model 1981.12.23-06:14:00.456 3.252 mas 2969.5 microasec 3020.2 microasec 205. Nutation DEPS wrt apriori model 1981.12.23-06:14:00.456 -1.021 mas 1648.6 microasec 1676.8 microasec Nutation Dy wrt apriori model 1981.12.23-06:14:00.456 -1.022 mas 1653.4 microasec 1681.7 microasec Nutation DEPS wrt Wahr 1980 model 1981.12.23-06:14:00.456 1.798 mas 1648.6 microasec 1676.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1597 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.12.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928050.09 12.76 3134928050.09 12.76 95.58 11.03 195.25 58.31 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:55 Correlator type: Unknown Experiment code: pol039 Mark-3 db_name: $81DEC29XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19811229_a Ver 2 pol039 Matrix Condition Number = 1.435944585216521E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.1 4.7 839.1 1.1 19.3 1.2 WESTFORD MET -1.8 2.2 1010.9 4.4 55.7 19.7 Run 26091-1735 232 Observation Pairs Available Session started on: 2444968.251400 1981.12.29 18:02:00.960 UTC Nominal duration: 86045.760 sec 00 23:54:05.760 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 199 70.406 ps 0.90 1.0324 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 199 Number of potentially good observations with QC 5-9: 199 Number of used observations: 199 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 199 199 70.406 0.90 19811229_a pol039 1981.12.30-05:59:03.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 76.784 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 0212+735 J0217+7349 15 15 15 115.131 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 0234+285 J0237+2848 15 15 15 81.028 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 0552+398 J0555+3948 17 17 19 92.504 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 1637+574 J1638+5720 16 16 21 154.150 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 2134+00 J2136+0041 10 10 15 135.525 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 3C273B J1229+0203 15 15 15 20.824 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 3C345 J1642+3948 21 21 22 36.136 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 3C454.3 J2253+1608 10 10 15 28.183 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: 4C39.25 J0927+3902 6 6 15 119.532 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: NRAO150 J0359+5057 15 15 15 61.715 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: OJ287 J0854+2006 14 14 15 43.489 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: OQ208 J1407+2827 21 21 22 103.793 19811229_a pol039 1981.12.30-05:59:03.840 SRC_STAT: VR422201 J2202+4216 9 9 13 109.093 19811229_a pol039 1981.12.30-05:59:03.840 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1981.12.30-05:58:31 1. HRAS_085 7216 NOAM X Comp -1324211066.08 mm -49.081 mm 5.631 mm 5.721 mm 2. HRAS_085 7216 NOAM Y Comp -5332023151.65 mm -69.649 mm 20.068 mm 20.391 mm 3. HRAS_085 7216 NOAM Z Comp 3232118393.78 mm 86.779 mm 14.732 mm 14.969 mm HRAS_085 7216 U Comp 112.56 mm 112.561 mm 24.494 mm 22.119 mm HRAS_085 7216 E Comp -30.85 mm -30.847 mm 5.682 mm 5.131 mm HRAS_085 7216 N Comp 34.19 mm 34.191 mm 4.383 mm 3.958 mm 4. HRAS_085 CL 0 1981.12.29-18:01:28.776 31686.852 ns 0.271 ns 0.275 ns 5. HRAS_085 CL 1 1981.12.29-18:01:28.776 117.326 D-14 2.210 D-14 2.245 D-14 6. HRAS_085 CL 2 1981.12.29-18:01:28.776 0.171 D-14/day 1.886 D-14/day 1.917 D-14/day 31. HRAS_085 AT 0 1981.12.29-18:01:28.776 -66.254 ps 65.680 ps 66.735 ps HRAS_085 Atm 1981.12.30-06:02:00.960 Avg: -113.758 ps Rms: 29.546 ps Tot_Rms: 117.532 ps || Nat: 232 Dura: 86040.0 sec Tzd_avg: 6525.6 Tzd_rms: 18.8 Wzd_avg: 157.1 Wzd_rms: 8.8 ps Prs_avg: 83911. Pa Tem_avg: 6.2 C Stm_avg: -0.8 C Stm_rms: 3.9 K Spr_avg: 95. Spr_rms: 80. Pa 104. HRAS_085 NG 1981.12.29-18:00:28.776 -0.000 mm 0.422 mm 0.429 mm 105. HRAS_085 EG 1981.12.29-18:00:28.776 -0.006 mm 0.422 mm 0.429 mm 106. HRAS_085 NG 1981.12.30-02:00:28.776 -0.005 mm 0.377 mm 0.383 mm 107. HRAS_085 EG 1981.12.30-02:00:28.776 -0.002 mm 0.377 mm 0.383 mm 108. HRAS_085 NG 1981.12.30-10:00:28.776 -0.016 mm 0.377 mm 0.383 mm 109. HRAS_085 EG 1981.12.30-10:00:28.776 -0.007 mm 0.377 mm 0.383 mm 110. HRAS_085 NG 1981.12.30-18:00:28.776 -0.017 mm 0.422 mm 0.429 mm 111. HRAS_085 EG 1981.12.30-18:00:28.776 0.001 mm 0.422 mm 0.429 mm 112. WESTFORD 7209 NOAM X Comp 1492206592.08 mm 49.081 mm 5.631 mm 5.721 mm 113. WESTFORD 7209 NOAM Y Comp -4458130452.35 mm 69.649 mm 20.068 mm 20.391 mm 114. WESTFORD 7209 NOAM Z Comp 4296015460.22 mm -86.779 mm 14.732 mm 14.969 mm WESTFORD 7209 U Comp -95.89 mm -95.895 mm 23.270 mm 21.014 mm WESTFORD 7209 E Comp 68.65 mm 68.650 mm 9.802 mm 8.851 mm WESTFORD 7209 N Comp -29.70 mm -29.695 mm 3.726 mm 3.364 mm 115. WESTFORD AT 0 1981.12.29-18:01:28.776 4.495 ps 58.056 ps 58.989 ps WESTFORD Atm 1981.12.30-06:02:00.960 Avg: 51.451 ps Rms: 28.221 ps Tot_Rms: 58.682 ps || Nat: 232 Dura: 86040.0 sec Tzd_avg: 7723.3 Tzd_rms: 24.8 Wzd_avg: 81.2 Wzd_rms: 24.1 ps Prs_avg: 101078. Pa Tem_avg: -1.7 C Stm_avg: 2.2 C Stm_rms: 0.8 K Spr_avg: 390. Spr_rms: 36. Pa 188. WESTFORD NG 1981.12.29-18:00:28.776 -0.005 mm 0.422 mm 0.429 mm 189. WESTFORD EG 1981.12.29-18:00:28.776 0.003 mm 0.422 mm 0.429 mm 190. WESTFORD NG 1981.12.30-02:00:28.776 -0.011 mm 0.377 mm 0.383 mm 191. WESTFORD EG 1981.12.30-02:00:28.776 -0.008 mm 0.377 mm 0.383 mm 192. WESTFORD NG 1981.12.30-10:00:28.776 0.008 mm 0.377 mm 0.383 mm 193. WESTFORD EG 1981.12.30-10:00:28.776 0.016 mm 0.377 mm 0.383 mm 194. WESTFORD NG 1981.12.30-18:00:28.776 0.018 mm 0.422 mm 0.429 mm 195. WESTFORD EG 1981.12.30-18:00:28.776 0.004 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.39 ps/h NRMS 0.23 share 0.91 count 73 2. WESTFORD Input 50.00 ps/h RMS 10.99 ps/h NRMS 0.22 share 0.88 count 73 Overall RMS 11.19 ps/h NRMS 0.22 share 0.89 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.65 D-14 NRMS 0.33 share 0.26 count 25 Overall RMS 1.65 D-14 NRMS 0.33 share 0.26 count 25 196. UT1-TAI 1, 1981.12.30-05:59:00.000 -1.7558 ms/d 250.83 micros/d 325.86 micros/d 331.10 micros/d EOP epoch (TDT) MJD: 44968.249678 NUT epoch (TDT) MJD: 44968.273468 197. Nutation DPSI wrt apriori model 1981.12.30-05:58:31.656 1.567 mas 2000.2 microasec 2032.3 microasec Nutation Dx wrt apriori model 1981.12.30-05:58:31.656 0.632 mas 790.8 microasec 803.5 microasec Nutation DPSI wrt Wahr 1980 model 1981.12.30-05:58:31.656 6.097 mas 2000.2 microasec 2032.3 microasec 198. Nutation DEPS wrt apriori model 1981.12.30-05:58:31.656 -2.253 mas 1226.1 microasec 1245.8 microasec Nutation Dy wrt apriori model 1981.12.30-05:58:31.656 -2.250 mas 1229.3 microasec 1249.1 microasec Nutation DEPS wrt Wahr 1980 model 1981.12.30-05:58:31.656 0.208 mas 1226.1 microasec 1245.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1055 1 Baseline information for run 26091-173 Monument to monument values at epoch 1981.12.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928044.32 11.85 3134928044.32 11.85 91.70 6.74 214.74 49.19 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1735 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:35:58 Correlator type: Unknown Experiment code: pol040 Mark-3 db_name: $82JAN06X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820106_a Ver 2 pol040 Matrix Condition Number = 1.836990400086425E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.2 7.0 838.5 3.1 17.9 8.0 WESTFORD MET 2.7 0.9 1000.6 1.3 48.2 7.3 Run 26091-1735 234 Observation Pairs Available Session started on: 2444976.251400 1982.01.06 18:02:00.960 UTC Nominal duration: 87480.000 sec 01 00:18:00.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 189 81.484 ps 0.89 0.9920 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 191 Number of potentially good observations with QC 5-9: 191 Number of used observations: 189 ( 98.95%) Number of suppressed observations: 2 ( 1.05%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 189 191 81.484 0.89 19820106_a pol040 1982.01.07-06:11:00.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 15 15 93.082 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 0212+735 J0217+7349 10 10 15 133.421 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 0234+285 J0237+2848 14 14 15 94.795 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 0552+398 J0555+3948 19 19 19 78.464 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 1637+574 J1638+5720 14 14 23 167.579 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 2134+00 J2136+0041 7 7 14 139.322 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 3C273B J1229+0203 15 15 15 37.785 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 3C345 J1642+3948 20 20 22 47.837 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 3C454.3 J2253+1608 9 9 13 64.946 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: 4C39.25 J0927+3902 5 5 15 121.279 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: NRAO150 J0359+5057 15 15 16 69.960 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: OJ287 J0854+2006 15 15 15 68.939 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: OQ208 J1407+2827 20 21 23 108.909 19820106_a pol040 1982.01.07-06:11:00.960 SRC_STAT: VR422201 J2202+4216 12 12 14 81.368 19820106_a pol040 1982.01.07-06:11:00.960 ------------------------------------------------ Parameter adjustments for run 26091-1735 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.01.07-06:10:28 1. HRAS_085 7216 NOAM X Comp -1324211072.48 mm -55.482 mm 6.327 mm 6.302 mm 2. HRAS_085 7216 NOAM Y Comp -5332023161.72 mm -79.721 mm 22.663 mm 22.572 mm 3. HRAS_085 7216 NOAM Z Comp 3232118409.31 mm 102.310 mm 16.757 mm 16.690 mm HRAS_085 7216 U Comp 130.21 mm 130.214 mm 27.569 mm 24.446 mm HRAS_085 7216 E Comp -34.63 mm -34.631 mm 6.778 mm 6.010 mm HRAS_085 7216 N Comp 41.79 mm 41.787 mm 5.334 mm 4.730 mm 4. HRAS_085 CL 0 1982.01.06-18:01:28.776 32556.477 ns 0.296 ns 0.295 ns 5. HRAS_085 CL 1 1982.01.06-18:01:28.776 113.063 D-14 2.180 D-14 2.171 D-14 6. HRAS_085 CL 2 1982.01.06-18:01:28.776 3.186 D-14/day 1.860 D-14/day 1.853 D-14/day 32. HRAS_085 AT 0 1982.01.06-18:01:28.776 -120.037 ps 73.789 ps 73.494 ps HRAS_085 Atm 1982.01.07-06:32:00.960 Avg: -143.200 ps Rms: 19.771 ps Tot_Rms: 144.558 ps || Nat: 234 Dura: 87480.0 sec Tzd_avg: 6540.5 Tzd_rms: 21.5 Wzd_avg: 173.1 Wzd_rms: 6.4 ps Prs_avg: 83858. Pa Tem_avg: 6.1 C Stm_avg: -6.6 C Stm_rms: 4.6 K Spr_avg: 49. Spr_rms: 71. Pa 108. HRAS_085 NG 1982.01.06-18:00:28.776 -0.006 mm 0.422 mm 0.421 mm 109. HRAS_085 EG 1982.01.06-18:00:28.776 -0.003 mm 0.422 mm 0.421 mm 110. HRAS_085 NG 1982.01.07-02:00:28.776 -0.005 mm 0.377 mm 0.376 mm 111. HRAS_085 EG 1982.01.07-02:00:28.776 -0.015 mm 0.377 mm 0.375 mm 112. HRAS_085 NG 1982.01.07-10:00:28.776 0.002 mm 0.377 mm 0.375 mm 113. HRAS_085 EG 1982.01.07-10:00:28.776 0.009 mm 0.377 mm 0.375 mm 114. HRAS_085 NG 1982.01.07-18:00:28.776 -0.008 mm 0.422 mm 0.421 mm 115. HRAS_085 EG 1982.01.07-18:00:28.776 -0.012 mm 0.422 mm 0.421 mm 116. WESTFORD 7209 NOAM X Comp 1492206598.48 mm 55.482 mm 6.327 mm 6.302 mm 117. WESTFORD 7209 NOAM Y Comp -4458130442.28 mm 79.721 mm 22.663 mm 22.572 mm 118. WESTFORD 7209 NOAM Z Comp 4296015444.69 mm -102.310 mm 16.757 mm 16.690 mm WESTFORD 7209 U Comp -111.94 mm -111.945 mm 26.412 mm 23.420 mm WESTFORD 7209 E Comp 77.92 mm 77.917 mm 10.750 mm 9.532 mm WESTFORD 7209 N Comp -36.03 mm -36.034 mm 4.618 mm 4.095 mm 119. WESTFORD AT 0 1982.01.06-18:01:28.776 35.300 ps 72.858 ps 72.567 ps WESTFORD Atm 1982.01.07-06:32:00.960 Avg: 31.585 ps Rms: 28.552 ps Tot_Rms: 42.578 ps || Nat: 234 Dura: 87480.0 sec Tzd_avg: 7855.9 Tzd_rms: 29.3 Wzd_avg: 300.1 Wzd_rms: 35.9 ps Prs_avg: 100056. Pa Tem_avg: 2.7 C Stm_avg: 1.5 C Stm_rms: 1.6 K Spr_avg: 414. Spr_rms: 50. Pa 195. WESTFORD NG 1982.01.06-18:00:28.776 -0.005 mm 0.422 mm 0.421 mm 196. WESTFORD EG 1982.01.06-18:00:28.776 -0.002 mm 0.422 mm 0.421 mm 197. WESTFORD NG 1982.01.07-02:00:28.776 -0.012 mm 0.377 mm 0.375 mm 198. WESTFORD EG 1982.01.07-02:00:28.776 -0.008 mm 0.377 mm 0.375 mm 199. WESTFORD NG 1982.01.07-10:00:28.776 -0.005 mm 0.377 mm 0.376 mm 200. WESTFORD EG 1982.01.07-10:00:28.776 -0.019 mm 0.377 mm 0.375 mm 201. WESTFORD NG 1982.01.07-18:00:28.776 -0.001 mm 0.422 mm 0.421 mm 202. WESTFORD EG 1982.01.07-18:00:28.776 0.003 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 7.27 ps/h NRMS 0.15 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 10.68 ps/h NRMS 0.21 share 0.90 count 76 Overall RMS 9.14 ps/h NRMS 0.18 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.71 D-14 NRMS 0.34 share 0.30 count 26 Overall RMS 1.71 D-14 NRMS 0.34 share 0.30 count 26 203. UT1-TAI 1, 1982.01.07-06:11:00.000 -1.6064 ms/d 642.95 micros/d 344.57 micros/d 343.19 micros/d EOP epoch (TDT) MJD: 44976.258011 NUT epoch (TDT) MJD: 44976.264694 204. Nutation DPSI wrt apriori model 1982.01.07-06:10:28.776 2.000 mas 2236.7 microasec 2227.7 microasec Nutation Dx wrt apriori model 1982.01.07-06:10:28.776 0.808 mas 884.4 microasec 880.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.01.07-06:10:28.776 5.226 mas 2236.7 microasec 2227.7 microasec 205. Nutation DEPS wrt apriori model 1982.01.07-06:10:28.776 -3.218 mas 1337.7 microasec 1332.4 microasec Nutation Dy wrt apriori model 1982.01.07-06:10:28.776 -3.215 mas 1341.3 microasec 1336.0 microasec Nutation DEPS wrt Wahr 1980 model 1982.01.07-06:10:28.776 -0.496 mas 1337.7 microasec 1332.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0660 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.01.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928050.90 13.29 3134928050.90 13.29 108.62 8.40 249.45 55.59 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:01 Correlator type: Unknown Experiment code: pol041 Mark-3 db_name: $82JAN13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820113_a Ver 2 pol041 Matrix Condition Number = 1.702830657972425E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -5.1 1.6 840.2 1.6 59.3 19.4 WESTFORD MET -8.7 1.5 1005.2 5.3 26.3 25.1 Run 26091-1736 164 Observation Pairs Available Session started on: 2444983.250900 1982.01.13 18:01:17.760 UTC Nominal duration: 74390.400 sec 00 20:39:50.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 126 64.250 ps 0.87 1.0172 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 127 Number of potentially good observations with QC 5-9: 127 Number of used observations: 126 ( 99.21%) Number of suppressed observations: 1 ( 0.79%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 126 127 64.250 0.87 19820113_a pol041 1982.01.14-04:21:12.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 15 15 52.197 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 0212+735 J0217+7349 12 12 15 107.709 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 0234+285 J0237+2848 13 13 14 98.801 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 0552+398 J0555+3948 15 15 18 93.950 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 1637+574 J1638+5720 3 3 7 29.855 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 2134+00 J2136+0041 7 7 12 118.684 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 3C273B J1229+0203 8 8 8 25.856 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 3C345 J1642+3948 7 7 8 24.017 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 3C454.3 J2253+1608 10 10 14 30.611 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: 4C39.25 J0927+3902 0 0 10 0.000 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: NRAO150 J0359+5057 15 15 16 66.159 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: OJ287 J0854+2006 10 10 12 56.996 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: OQ208 J1407+2827 5 5 6 135.584 19820113_a pol041 1982.01.14-04:21:12.960 SRC_STAT: VR422201 J2202+4216 7 7 9 136.298 19820113_a pol041 1982.01.14-04:21:12.960 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.01.14-04:20:40 1. HRAS_085 7216 NOAM X Comp -1324211072.21 mm -55.209 mm 6.735 mm 6.793 mm 2. HRAS_085 7216 NOAM Y Comp -5332023146.08 mm -64.080 mm 22.089 mm 22.278 mm 3. HRAS_085 7216 NOAM Z Comp 3232118414.82 mm 107.821 mm 16.224 mm 16.363 mm HRAS_085 7216 U Comp 119.90 mm 119.904 mm 26.484 mm 23.156 mm HRAS_085 7216 E Comp -38.14 mm -38.137 mm 7.457 mm 6.519 mm HRAS_085 7216 N Comp 54.30 mm 54.298 mm 6.282 mm 5.492 mm 4. HRAS_085 CL 0 1982.01.13-18:00:45.576 24724.521 ns 0.354 ns 0.357 ns 5. HRAS_085 CL 1 1982.01.13-18:00:45.576 90.630 D-14 2.752 D-14 2.776 D-14 6. HRAS_085 CL 2 1982.01.13-18:00:45.576 9.933 D-14/day 2.676 D-14/day 2.699 D-14/day 28. HRAS_085 AT 0 1982.01.13-18:00:45.576 -27.333 ps 69.924 ps 70.524 ps HRAS_085 Atm 1982.01.14-04:31:17.760 Avg: -69.720 ps Rms: 18.682 ps Tot_Rms: 72.180 ps || Nat: 164 Dura: 74390.0 sec Tzd_avg: 6463.5 Tzd_rms: 9.3 Wzd_avg: 82.2 Wzd_rms: 16.9 ps Prs_avg: 84019. Pa Tem_avg: -5.0 C Stm_avg: -2.1 C Stm_rms: 2.0 K Spr_avg: 64. Spr_rms: 45. Pa 92. HRAS_085 NG 1982.01.13-17:59:45.576 -0.004 mm 0.422 mm 0.426 mm 93. HRAS_085 EG 1982.01.13-17:59:45.576 -0.009 mm 0.422 mm 0.426 mm 94. HRAS_085 NG 1982.01.14-01:59:45.576 0.015 mm 0.377 mm 0.380 mm 95. HRAS_085 EG 1982.01.14-01:59:45.576 0.005 mm 0.377 mm 0.380 mm 96. HRAS_085 NG 1982.01.14-09:59:45.576 0.004 mm 0.377 mm 0.380 mm 97. HRAS_085 EG 1982.01.14-09:59:45.576 0.017 mm 0.377 mm 0.380 mm 98. HRAS_085 NG 1982.01.14-17:59:45.576 -0.001 mm 0.422 mm 0.426 mm 99. HRAS_085 EG 1982.01.14-17:59:45.576 0.010 mm 0.422 mm 0.426 mm 100. WESTFORD 7209 NOAM X Comp 1492206598.21 mm 55.209 mm 6.735 mm 6.793 mm 101. WESTFORD 7209 NOAM Y Comp -4458130457.92 mm 64.080 mm 22.089 mm 22.278 mm 102. WESTFORD 7209 NOAM Z Comp 4296015439.18 mm -107.821 mm 16.224 mm 16.363 mm WESTFORD 7209 U Comp -104.82 mm -104.823 mm 25.489 mm 22.285 mm WESTFORD 7209 E Comp 72.69 mm 72.694 mm 10.481 mm 9.164 mm WESTFORD 7209 N Comp -50.07 mm -50.074 mm 6.079 mm 5.315 mm 103. WESTFORD AT 0 1982.01.13-18:00:45.576 18.687 ps 67.672 ps 68.253 ps WESTFORD Atm 1982.01.14-04:31:17.760 Avg: 2.486 ps Rms: 13.496 ps Tot_Rms: 13.723 ps || Nat: 164 Dura: 74390.0 sec Tzd_avg: 7826.3 Tzd_rms: 30.3 Wzd_avg: 230.7 Wzd_rms: 34.8 ps Prs_avg: 100518. Pa Tem_avg: -8.6 C Stm_avg: 2.1 C Stm_rms: 1.3 K Spr_avg: 383. Spr_rms: 45. Pa 167. WESTFORD NG 1982.01.13-17:59:45.576 -0.002 mm 0.422 mm 0.426 mm 168. WESTFORD EG 1982.01.13-17:59:45.576 0.004 mm 0.422 mm 0.426 mm 169. WESTFORD NG 1982.01.14-01:59:45.576 -0.018 mm 0.377 mm 0.380 mm 170. WESTFORD EG 1982.01.14-01:59:45.576 -0.002 mm 0.377 mm 0.380 mm 171. WESTFORD NG 1982.01.14-09:59:45.576 -0.008 mm 0.377 mm 0.380 mm 172. WESTFORD EG 1982.01.14-09:59:45.576 0.001 mm 0.377 mm 0.380 mm 173. WESTFORD NG 1982.01.14-17:59:45.576 -0.003 mm 0.422 mm 0.426 mm 174. WESTFORD EG 1982.01.14-17:59:45.576 0.001 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.68 ps/h NRMS 0.17 share 0.93 count 64 2. WESTFORD Input 50.00 ps/h RMS 10.05 ps/h NRMS 0.20 share 0.90 count 64 Overall RMS 9.39 ps/h NRMS 0.19 share 0.92 count 128 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.89 D-14 NRMS 0.38 share 0.42 count 22 Overall RMS 1.89 D-14 NRMS 0.38 share 0.42 count 22 175. UT1-TAI 1, 1982.01.14-04:21:00.000 -2.5539 ms/d -216.37 micros/d 598.93 micros/d 604.07 micros/d EOP epoch (TDT) MJD: 44983.181623 NUT epoch (TDT) MJD: 44983.129194 176. Nutation DPSI wrt apriori model 1982.01.14-04:20:40.776 0.491 mas 3810.8 microasec 3843.5 microasec Nutation Dx wrt apriori model 1982.01.14-04:20:40.776 0.196 mas 1509.4 microasec 1522.3 microasec Nutation DPSI wrt Wahr 1980 model 1982.01.14-04:20:40.776 5.612 mas 3810.8 microasec 3843.5 microasec 177. Nutation DEPS wrt apriori model 1982.01.14-04:20:40.776 -0.125 mas 1647.5 microasec 1661.6 microasec Nutation Dy wrt apriori model 1982.01.14-04:20:40.776 -0.124 mas 1653.6 microasec 1667.7 microasec Nutation DEPS wrt Wahr 1980 model 1982.01.14-04:20:40.776 2.356 mas 1647.5 microasec 1661.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1428 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.01.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928037.95 13.92 3134928037.95 13.92 133.26 11.36 231.41 53.51 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:04 Correlator type: Unknown Experiment code: pol042 Mark-3 db_name: $82JAN20X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820120_a Ver 2 pol042 Matrix Condition Number = 1.238474110225226E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.4 2.1 840.0 0.7 54.1 2.2 WESTFORD MET -7.4 5.2 1013.6 4.0 44.9 9.9 Run 26091-1736 239 Observation Pairs Available Session started on: 2444990.250900 1982.01.20 18:01:17.760 UTC Nominal duration: 88136.640 sec 01 00:28:56.640 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 213 62.901 ps 0.90 1.0196 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 213 Number of potentially good observations with QC 5-9: 213 Number of used observations: 213 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 213 213 62.901 0.90 19820120_a pol042 1982.01.21-06:15:46.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 63.279 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 0212+735 J0217+7349 15 15 15 120.396 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 0234+285 J0237+2848 15 15 15 84.737 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 0552+398 J0555+3948 19 19 19 90.180 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 1637+574 J1638+5720 17 17 22 137.105 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 2134+00 J2136+0041 13 13 18 93.187 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 3C273B J1229+0203 15 15 15 34.079 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 3C345 J1642+3948 22 22 22 26.695 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 3C454.3 J2253+1608 12 12 16 47.215 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: 4C39.25 J0927+3902 8 8 15 58.770 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: NRAO150 J0359+5057 15 15 16 52.451 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: OJ287 J0854+2006 14 14 15 40.833 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: OQ208 J1407+2827 20 20 22 119.459 19820120_a pol042 1982.01.21-06:15:46.080 SRC_STAT: VR422201 J2202+4216 13 13 14 71.066 19820120_a pol042 1982.01.21-06:15:46.080 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.01.21-06:15:13 1. HRAS_085 7216 NOAM X Comp -1324211090.68 mm -73.681 mm 5.070 mm 5.120 mm 2. HRAS_085 7216 NOAM Y Comp -5332023144.16 mm -62.163 mm 18.875 mm 19.058 mm 3. HRAS_085 7216 NOAM Z Comp 3232118444.38 mm 137.377 mm 13.477 mm 13.608 mm HRAS_085 7216 U Comp 137.20 mm 137.196 mm 22.896 mm 20.517 mm HRAS_085 7216 E Comp -56.53 mm -56.526 mm 4.960 mm 4.445 mm HRAS_085 7216 N Comp 78.41 mm 78.408 mm 3.841 mm 3.442 mm 4. HRAS_085 CL 0 1982.01.20-18:00:45.576 25470.242 ns 0.229 ns 0.231 ns 5. HRAS_085 CL 1 1982.01.20-18:00:45.576 103.536 D-14 2.073 D-14 2.093 D-14 6. HRAS_085 CL 2 1982.01.20-18:00:45.576 3.179 D-14/day 1.744 D-14/day 1.761 D-14/day 32. HRAS_085 AT 0 1982.01.20-18:00:45.576 -66.158 ps 62.521 ps 63.130 ps HRAS_085 Atm 1982.01.21-06:31:17.760 Avg: -102.530 ps Rms: 23.176 ps Tot_Rms: 105.117 ps || Nat: 239 Dura: 88140.0 sec Tzd_avg: 6713.5 Tzd_rms: 32.4 Wzd_avg: 345.1 Wzd_rms: 31.1 ps Prs_avg: 84005. Pa Tem_avg: 8.4 C Stm_avg: -3.7 C Stm_rms: 2.3 K Spr_avg: 110. Spr_rms: 82. Pa 108. HRAS_085 NG 1982.01.20-17:59:45.576 -0.001 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1982.01.20-17:59:45.576 0.007 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1982.01.21-01:59:45.576 -0.016 mm 0.377 mm 0.381 mm 111. HRAS_085 EG 1982.01.21-01:59:45.576 -0.005 mm 0.377 mm 0.381 mm 112. HRAS_085 NG 1982.01.21-09:59:45.576 -0.010 mm 0.377 mm 0.381 mm 113. HRAS_085 EG 1982.01.21-09:59:45.576 0.017 mm 0.377 mm 0.381 mm 114. HRAS_085 NG 1982.01.21-17:59:45.576 -0.015 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1982.01.21-17:59:45.576 0.016 mm 0.422 mm 0.426 mm 116. WESTFORD 7209 NOAM X Comp 1492206616.68 mm 73.681 mm 5.070 mm 5.120 mm 117. WESTFORD 7209 NOAM Y Comp -4458130459.84 mm 62.163 mm 18.875 mm 19.058 mm 118. WESTFORD 7209 NOAM Z Comp 4296015409.62 mm -137.377 mm 13.477 mm 13.608 mm WESTFORD 7209 U Comp -119.18 mm -119.181 mm 21.608 mm 19.363 mm WESTFORD 7209 E Comp 89.60 mm 89.602 mm 9.227 mm 8.268 mm WESTFORD 7209 N Comp -77.03 mm -77.025 mm 3.398 mm 3.045 mm 119. WESTFORD AT 0 1982.01.20-18:00:45.576 -2.820 ps 57.985 ps 58.549 ps WESTFORD Atm 1982.01.21-06:31:17.760 Avg: 35.035 ps Rms: 29.135 ps Tot_Rms: 45.566 ps || Nat: 239 Dura: 88140.0 sec Tzd_avg: 7746.8 Tzd_rms: 47.5 Wzd_avg: 83.5 Wzd_rms: 24.6 ps Prs_avg: 101360. Pa Tem_avg: -7.4 C Stm_avg: 4.0 C Stm_rms: 2.1 K Spr_avg: 394. Spr_rms: 80. Pa 195. WESTFORD NG 1982.01.20-17:59:45.576 -0.008 mm 0.422 mm 0.426 mm 196. WESTFORD EG 1982.01.20-17:59:45.576 -0.013 mm 0.422 mm 0.426 mm 197. WESTFORD NG 1982.01.21-01:59:45.576 -0.003 mm 0.377 mm 0.381 mm 198. WESTFORD EG 1982.01.21-01:59:45.576 -0.012 mm 0.377 mm 0.381 mm 199. WESTFORD NG 1982.01.21-09:59:45.576 0.009 mm 0.377 mm 0.381 mm 200. WESTFORD EG 1982.01.21-09:59:45.576 -0.007 mm 0.377 mm 0.380 mm 201. WESTFORD NG 1982.01.21-17:59:45.576 0.017 mm 0.422 mm 0.426 mm 202. WESTFORD EG 1982.01.21-17:59:45.576 -0.010 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.90 ps/h NRMS 0.18 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 13.04 ps/h NRMS 0.26 share 0.87 count 76 Overall RMS 11.16 ps/h NRMS 0.22 share 0.89 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.04 D-14 NRMS 0.41 share 0.23 count 26 Overall RMS 2.04 D-14 NRMS 0.41 share 0.23 count 26 203. UT1-TAI 1, 1982.01.21-06:15:00.000 -1.3016 ms/d 286.80 micros/d 181.35 micros/d 183.12 micros/d EOP epoch (TDT) MJD: 44990.260789 NUT epoch (TDT) MJD: 44990.250787 204. Nutation DPSI wrt apriori model 1982.01.21-06:15:13.896 -1.008 mas 1692.2 microasec 1708.7 microasec Nutation Dx wrt apriori model 1982.01.21-06:15:13.896 -0.397 mas 670.1 microasec 676.7 microasec Nutation DPSI wrt Wahr 1980 model 1982.01.21-06:15:13.896 2.965 mas 1692.2 microasec 1708.7 microasec 205. Nutation DEPS wrt apriori model 1982.01.21-06:15:13.896 -1.044 mas 764.9 microasec 772.4 microasec Nutation Dy wrt apriori model 1982.01.21-06:15:13.896 -1.046 mas 767.6 microasec 775.1 microasec Nutation DEPS wrt Wahr 1980 model 1982.01.21-06:15:13.896 1.700 mas 764.9 microasec 772.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0869 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.01.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928050.01 11.04 3134928050.01 11.04 193.87 5.57 263.87 45.84 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:07 Correlator type: Unknown Experiment code: pol043 Mark-3 db_name: $82JAN27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820127_a Ver 2 pol043 Matrix Condition Number = 1.305308457851811E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.5 6.7 841.3 1.4 7.4 4.6 WESTFORD MET -7.5 3.3 1012.6 3.7 27.0 4.6 Run 26091-1736 224 Observation Pairs Available Session started on: 2444997.291800 1982.01.27 19:00:11.520 UTC Nominal duration: 86944.320 sec 01 00:09:04.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 183 44.906 ps 0.87 1.0272 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 189 Number of potentially good observations with QC 5-9: 189 Number of used observations: 183 ( 96.83%) Number of suppressed observations: 6 ( 3.17%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 183 189 44.906 0.87 19820127_a pol043 1982.01.28-07:04:43.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 14 15 83.731 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 0212+735 J0217+7349 9 9 13 126.024 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 0234+285 J0237+2848 12 13 14 129.121 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 0552+398 J0555+3948 17 17 18 69.290 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 1637+574 J1638+5720 10 12 18 135.158 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 2134+00 J2136+0041 10 10 15 64.509 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 3C273B J1229+0203 16 16 16 19.975 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 3C345 J1642+3948 22 22 22 25.155 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 3C454.3 J2253+1608 13 13 15 16.174 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: 4C39.25 J0927+3902 7 7 14 58.112 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: NRAO150 J0359+5057 15 15 16 44.199 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: OJ287 J0854+2006 14 14 15 34.998 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: OQ208 J1407+2827 18 18 21 79.167 19820127_a pol043 1982.01.28-07:04:43.680 SRC_STAT: VR422201 J2202+4216 8 9 12 42.110 19820127_a pol043 1982.01.28-07:04:43.680 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.01.28-07:04:11 1. HRAS_085 7216 NOAM X Comp -1324211090.09 mm -73.087 mm 4.378 mm 4.437 mm 2. HRAS_085 7216 NOAM Y Comp -5332023122.41 mm -40.412 mm 17.870 mm 18.111 mm 3. HRAS_085 7216 NOAM Z Comp 3232118432.20 mm 125.200 mm 13.306 mm 13.486 mm HRAS_085 7216 U Comp 112.70 mm 112.705 mm 21.798 mm 19.026 mm HRAS_085 7216 E Comp -61.19 mm -61.192 mm 5.014 mm 4.377 mm HRAS_085 7216 N Comp 78.76 mm 78.760 mm 3.907 mm 3.410 mm 4. HRAS_085 CL 0 1982.01.27-18:59:39.336 25893.484 ns 0.233 ns 0.236 ns 5. HRAS_085 CL 1 1982.01.27-18:59:39.336 48.489 D-14 2.083 D-14 2.112 D-14 6. HRAS_085 CL 2 1982.01.27-18:59:39.336 4.163 D-14/day 1.788 D-14/day 1.813 D-14/day 32. HRAS_085 AT 0 1982.01.27-18:59:39.336 -123.063 ps 68.787 ps 69.716 ps HRAS_085 Atm 1982.01.28-07:30:11.520 Avg: -93.084 ps Rms: 12.983 ps Tot_Rms: 93.985 ps || Nat: 224 Dura: 86940.0 sec Tzd_avg: 6464.3 Tzd_rms: 12.9 Wzd_avg: 75.3 Wzd_rms: 9.5 ps Prs_avg: 84129. Pa Tem_avg: 8.7 C Stm_avg: -4.0 C Stm_rms: 4.1 K Spr_avg: 80. Spr_rms: 86. Pa 108. HRAS_085 NG 1982.01.27-18:58:39.336 0.006 mm 0.422 mm 0.428 mm 109. HRAS_085 EG 1982.01.27-18:58:39.336 0.025 mm 0.422 mm 0.428 mm 110. HRAS_085 NG 1982.01.28-02:58:39.336 -0.001 mm 0.377 mm 0.382 mm 111. HRAS_085 EG 1982.01.28-02:58:39.336 0.020 mm 0.377 mm 0.382 mm 112. HRAS_085 NG 1982.01.28-10:58:39.336 -0.022 mm 0.377 mm 0.382 mm 113. HRAS_085 EG 1982.01.28-10:58:39.336 0.011 mm 0.377 mm 0.382 mm 114. HRAS_085 NG 1982.01.28-18:58:39.336 -0.018 mm 0.422 mm 0.428 mm 115. HRAS_085 EG 1982.01.28-18:58:39.336 -0.010 mm 0.422 mm 0.428 mm 116. WESTFORD 7209 NOAM X Comp 1492206616.09 mm 73.087 mm 4.378 mm 4.437 mm 117. WESTFORD 7209 NOAM Y Comp -4458130481.59 mm 40.412 mm 17.870 mm 18.111 mm 118. WESTFORD 7209 NOAM Z Comp 4296015421.80 mm -125.200 mm 13.306 mm 13.486 mm WESTFORD 7209 U Comp -95.90 mm -95.896 mm 21.023 mm 18.350 mm WESTFORD 7209 E Comp 82.14 mm 82.135 mm 8.009 mm 6.991 mm WESTFORD 7209 N Comp -81.90 mm -81.901 mm 3.073 mm 2.682 mm 119. WESTFORD AT 0 1982.01.27-18:59:39.336 -6.735 ps 52.368 ps 53.075 ps WESTFORD Atm 1982.01.28-07:30:11.520 Avg: 19.535 ps Rms: 25.951 ps Tot_Rms: 32.482 ps || Nat: 224 Dura: 86940.0 sec Tzd_avg: 7799.5 Tzd_rms: 27.1 Wzd_avg: 144.5 Wzd_rms: 47.4 ps Prs_avg: 101268. Pa Tem_avg: -7.4 C Stm_avg: 3.3 C Stm_rms: 1.2 K Spr_avg: 387. Spr_rms: 50. Pa 195. WESTFORD NG 1982.01.27-18:58:39.336 0.001 mm 0.422 mm 0.428 mm 196. WESTFORD EG 1982.01.27-18:58:39.336 -0.030 mm 0.422 mm 0.428 mm 197. WESTFORD NG 1982.01.28-02:58:39.336 0.004 mm 0.377 mm 0.382 mm 198. WESTFORD EG 1982.01.28-02:58:39.336 -0.013 mm 0.377 mm 0.382 mm 199. WESTFORD NG 1982.01.28-10:58:39.336 0.021 mm 0.377 mm 0.382 mm 200. WESTFORD EG 1982.01.28-10:58:39.336 0.020 mm 0.377 mm 0.382 mm 201. WESTFORD NG 1982.01.28-18:58:39.336 0.010 mm 0.422 mm 0.428 mm 202. WESTFORD EG 1982.01.28-18:58:39.336 0.036 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.70 ps/h NRMS 0.23 share 0.89 count 76 2. WESTFORD Input 50.00 ps/h RMS 16.06 ps/h NRMS 0.32 share 0.85 count 76 Overall RMS 14.05 ps/h NRMS 0.28 share 0.87 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.93 D-14 NRMS 0.59 share 0.24 count 26 Overall RMS 2.93 D-14 NRMS 0.59 share 0.24 count 26 203. UT1-TAI 1, 1982.01.28-07:04:00.000 -2.0904 ms/d -32.13 micros/d 159.67 micros/d 161.82 micros/d EOP epoch (TDT) MJD: 44997.294817 NUT epoch (TDT) MJD: 44997.329509 204. Nutation DPSI wrt apriori model 1982.01.28-07:04:11.496 -1.740 mas 1945.1 microasec 1971.3 microasec Nutation Dx wrt apriori model 1982.01.28-07:04:11.496 -0.692 mas 771.4 microasec 781.8 microasec Nutation DPSI wrt Wahr 1980 model 1982.01.28-07:04:11.496 3.307 mas 1945.1 microasec 1971.3 microasec 205. Nutation DEPS wrt apriori model 1982.01.28-07:04:11.496 -0.180 mas 595.8 microasec 603.9 microasec Nutation Dy wrt apriori model 1982.01.28-07:04:11.496 -0.183 mas 598.9 microasec 607.0 microasec Nutation DEPS wrt Wahr 1980 model 1982.01.28-07:04:11.496 2.275 mas 595.8 microasec 603.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1124 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.01.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928045.08 9.43 3134928045.08 9.43 199.54 5.23 214.57 44.11 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:10 Correlator type: Unknown Experiment code: pol044 Mark-3 db_name: $82FEB01X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820201_a Ver 2 pol044 Matrix Condition Number = 3.488409324553122E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 3.3 6.2 834.2 2.4 29.4 9.1 WESTFORD MET -3.4 3.1 1018.4 10.1 93.7 26.8 Run 26091-1736 230 Observation Pairs Available Session started on: 2445002.128600 1982.02.01 15:05:11.040 UTC Nominal duration: 84784.320 sec 00 23:33:04.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 154 74.324 ps 0.87 0.9838 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 156 Number of potentially good observations with QC 5-9: 156 Number of used observations: 154 ( 98.72%) Number of suppressed observations: 2 ( 1.28%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 154 156 74.324 0.87 19820201_a pol044 1982.02.02-02:51:43.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 15 129.390 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 0212+735 J0217+7349 8 8 15 159.406 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 0234+285 J0237+2848 12 12 15 101.272 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 0552+398 J0555+3948 17 17 19 112.485 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 1637+574 J1638+5720 9 9 21 192.506 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 2134+00 J2136+0041 5 5 15 107.080 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 3C273B J1229+0203 13 15 15 36.383 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 3C345 J1642+3948 17 17 21 43.651 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 3C454.3 J2253+1608 10 10 15 44.052 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: 4C39.25 J0927+3902 5 5 15 97.810 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: NRAO150 J0359+5057 14 14 16 44.373 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: OJ287 J0854+2006 14 14 15 58.488 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: OQ208 J1407+2827 12 12 21 97.430 19820201_a pol044 1982.02.02-02:51:43.200 SRC_STAT: VR422201 J2202+4216 6 6 12 29.356 19820201_a pol044 1982.02.02-02:51:43.200 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.02.02-02:51:11 1. HRAS_085 7216 NOAM X Comp -1324211077.56 mm -60.561 mm 7.719 mm 7.656 mm 2. HRAS_085 7216 NOAM Y Comp -5332023145.08 mm -63.083 mm 30.517 mm 30.269 mm 3. HRAS_085 7216 NOAM Z Comp 3232118415.93 mm 108.931 mm 23.753 mm 23.560 mm HRAS_085 7216 U Comp 120.75 mm 120.748 mm 37.023 mm 32.278 mm HRAS_085 7216 E Comp -43.57 mm -43.571 mm 11.532 mm 10.054 mm HRAS_085 7216 N Comp 55.09 mm 55.088 mm 7.165 mm 6.247 mm 4. HRAS_085 CL 0 1982.02.01-15:04:38.856 26216.316 ns 0.410 ns 0.407 ns 5. HRAS_085 CL 1 1982.02.01-15:04:38.856 44.106 D-14 2.307 D-14 2.288 D-14 6. HRAS_085 CL 2 1982.02.01-15:04:38.856 3.182 D-14/day 2.032 D-14/day 2.016 D-14/day 31. HRAS_085 AT 0 1982.02.01-15:04:38.856 -98.232 ps 76.006 ps 75.388 ps HRAS_085 Atm 1982.02.02-03:05:11.040 Avg: -74.177 ps Rms: 14.047 ps Tot_Rms: 75.495 ps || Nat: 230 Dura: 84780.0 sec Tzd_avg: 6416.9 Tzd_rms: 7.6 Wzd_avg: 79.2 Wzd_rms: 12.3 ps Prs_avg: 83423. Pa Tem_avg: 3.3 C Stm_avg: -1.7 C Stm_rms: 1.3 K Spr_avg: 43. Spr_rms: 103. Pa 104. HRAS_085 NG 1982.02.01-15:03:38.856 0.001 mm 0.422 mm 0.419 mm 105. HRAS_085 EG 1982.02.01-15:03:38.856 0.009 mm 0.422 mm 0.419 mm 106. HRAS_085 NG 1982.02.01-23:03:38.856 -0.008 mm 0.377 mm 0.374 mm 107. HRAS_085 EG 1982.02.01-23:03:38.856 -0.002 mm 0.377 mm 0.374 mm 108. HRAS_085 NG 1982.02.02-07:03:38.856 -0.011 mm 0.377 mm 0.374 mm 109. HRAS_085 EG 1982.02.02-07:03:38.856 0.006 mm 0.377 mm 0.374 mm 110. HRAS_085 NG 1982.02.02-15:03:38.856 -0.010 mm 0.422 mm 0.419 mm 111. HRAS_085 EG 1982.02.02-15:03:38.856 -0.007 mm 0.422 mm 0.419 mm 112. WESTFORD 7209 NOAM X Comp 1492206603.56 mm 60.561 mm 7.719 mm 7.656 mm 113. WESTFORD 7209 NOAM Y Comp -4458130458.92 mm 63.083 mm 30.517 mm 30.269 mm 114. WESTFORD 7209 NOAM Z Comp 4296015438.07 mm -108.931 mm 23.753 mm 23.560 mm WESTFORD 7209 U Comp -103.63 mm -103.629 mm 37.593 mm 32.775 mm WESTFORD 7209 E Comp 77.45 mm 77.453 mm 10.867 mm 9.475 mm WESTFORD 7209 N Comp -52.68 mm -52.680 mm 4.869 mm 4.245 mm 115. WESTFORD AT 0 1982.02.01-15:04:38.856 -31.872 ps 103.907 ps 103.062 ps WESTFORD Atm 1982.02.02-03:05:11.040 Avg: -49.808 ps Rms: 11.825 ps Tot_Rms: 51.193 ps || Nat: 230 Dura: 84780.0 sec Tzd_avg: 7814.6 Tzd_rms: 63.3 Wzd_avg: 116.0 Wzd_rms: 58.6 ps Prs_avg: 101855. Pa Tem_avg: -3.5 C Stm_avg: 1.2 C Stm_rms: 1.9 K Spr_avg: 412. Spr_rms: 60. Pa 188. WESTFORD NG 1982.02.01-15:03:38.856 -0.005 mm 0.422 mm 0.419 mm 189. WESTFORD EG 1982.02.01-15:03:38.856 -0.009 mm 0.422 mm 0.419 mm 190. WESTFORD NG 1982.02.01-23:03:38.856 -0.009 mm 0.377 mm 0.374 mm 191. WESTFORD EG 1982.02.01-23:03:38.856 0.008 mm 0.377 mm 0.374 mm 192. WESTFORD NG 1982.02.02-07:03:38.856 -0.003 mm 0.377 mm 0.374 mm 193. WESTFORD EG 1982.02.02-07:03:38.856 0.016 mm 0.377 mm 0.374 mm 194. WESTFORD NG 1982.02.02-15:03:38.856 -0.008 mm 0.422 mm 0.419 mm 195. WESTFORD EG 1982.02.02-15:03:38.856 0.028 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.34 ps/h NRMS 0.19 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.18 ps/h NRMS 0.18 share 0.93 count 73 Overall RMS 9.26 ps/h NRMS 0.19 share 0.93 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.65 D-14 NRMS 0.53 share 0.32 count 25 Overall RMS 2.65 D-14 NRMS 0.53 share 0.32 count 25 196. UT1-TAI 1, 1982.02.02-02:51:00.000 -2.0888 ms/d 147.05 micros/d 427.33 micros/d 423.86 micros/d EOP epoch (TDT) MJD: 45002.119123 NUT epoch (TDT) MJD: 45002.149475 197. Nutation DPSI wrt apriori model 1982.02.02-02:51:11.016 1.097 mas 2692.3 microasec 2670.4 microasec Nutation Dx wrt apriori model 1982.02.02-02:51:11.016 0.432 mas 1064.6 microasec 1055.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.02.02-02:51:11.016 5.646 mas 2692.3 microasec 2670.4 microasec 198. Nutation DEPS wrt apriori model 1982.02.02-02:51:11.016 0.968 mas 1613.4 microasec 1600.3 microasec Nutation Dy wrt apriori model 1982.02.02-02:51:11.016 0.969 mas 1617.7 microasec 1604.5 microasec Nutation DEPS wrt Wahr 1980 model 1982.02.02-02:51:11.016 3.285 mas 1613.4 microasec 1600.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0780 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.02.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928046.25 15.29 3134928046.25 15.29 140.63 8.68 231.02 76.88 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:13 Correlator type: Unknown Experiment code: pol045 Mark-3 db_name: $82FEB10X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820210_a Ver 2 pol045 Matrix Condition Number = 1.281451166749989E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.9 6.4 838.5 1.0 29.8 3.4 WESTFORD MET -6.1 2.2 1012.9 2.0 24.8 0.6 Run 26091-1736 234 Observation Pairs Available Session started on: 2445011.407000 1982.02.10 21:46:04.800 UTC Nominal duration: 86037.120 sec 00 23:53:57.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 176 59.633 ps 0.87 1.0008 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 181 Number of potentially good observations with QC 5-9: 181 Number of used observations: 176 ( 97.24%) Number of suppressed observations: 5 ( 2.76%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 176 181 59.633 0.87 19820210_a pol045 1982.02.11-09:43:03.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 15 69.247 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 0212+735 J0217+7349 9 9 15 134.331 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 0234+285 J0237+2848 15 15 16 62.806 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 0552+398 J0555+3948 19 19 19 84.954 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 1637+574 J1638+5720 9 9 22 89.792 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 2134+00 J2136+0041 9 10 16 91.983 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 3C273B J1229+0203 14 14 14 32.255 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 3C345 J1642+3948 20 20 22 40.375 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 3C454.3 J2253+1608 6 8 15 39.611 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: 4C39.25 J0927+3902 6 6 15 64.028 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: NRAO150 J0359+5057 16 16 16 70.273 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: OJ287 J0854+2006 14 14 15 58.803 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: OQ208 J1407+2827 19 19 22 102.685 19820210_a pol045 1982.02.11-09:43:03.360 SRC_STAT: VR422201 J2202+4216 7 9 12 30.068 19820210_a pol045 1982.02.11-09:43:03.360 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.02.11-09:42:31 1. HRAS_085 7216 NOAM X Comp -1324211050.00 mm -32.995 mm 5.117 mm 5.119 mm 2. HRAS_085 7216 NOAM Y Comp -5332023175.39 mm -93.392 mm 18.879 mm 18.886 mm 3. HRAS_085 7216 NOAM Z Comp 3232118378.95 mm 71.951 mm 14.202 mm 14.208 mm HRAS_085 7216 U Comp 121.50 mm 121.495 mm 23.039 mm 20.123 mm HRAS_085 7216 E Comp -9.51 mm -9.513 mm 5.852 mm 5.111 mm HRAS_085 7216 N Comp 11.67 mm 11.666 mm 4.385 mm 3.830 mm 4. HRAS_085 CL 0 1982.02.10-21:45:32.616 28566.808 ns 0.270 ns 0.270 ns 5. HRAS_085 CL 1 1982.02.10-21:45:32.616 48.685 D-14 2.175 D-14 2.176 D-14 6. HRAS_085 CL 2 1982.02.10-21:45:32.616 3.097 D-14/day 1.904 D-14/day 1.904 D-14/day 31. HRAS_085 AT 0 1982.02.10-21:45:32.616 -118.048 ps 77.591 ps 77.623 ps HRAS_085 Atm 1982.02.11-09:46:04.800 Avg: -132.438 ps Rms: 14.884 ps Tot_Rms: 133.272 ps || Nat: 234 Dura: 86040.0 sec Tzd_avg: 6649.1 Tzd_rms: 4.5 Wzd_avg: 286.0 Wzd_rms: 7.1 ps Prs_avg: 83852. Pa Tem_avg: 6.9 C Stm_avg: -5.1 C Stm_rms: 4.6 K Spr_avg: 51. Spr_rms: 68. Pa 104. HRAS_085 NG 1982.02.10-21:44:32.616 -0.018 mm 0.422 mm 0.422 mm 105. HRAS_085 EG 1982.02.10-21:44:32.616 -0.001 mm 0.422 mm 0.422 mm 106. HRAS_085 NG 1982.02.11-05:44:32.616 -0.035 mm 0.377 mm 0.377 mm 107. HRAS_085 EG 1982.02.11-05:44:32.616 0.018 mm 0.377 mm 0.377 mm 108. HRAS_085 NG 1982.02.11-13:44:32.616 -0.017 mm 0.377 mm 0.377 mm 109. HRAS_085 EG 1982.02.11-13:44:32.616 0.017 mm 0.377 mm 0.377 mm 110. HRAS_085 NG 1982.02.11-21:44:32.616 -0.001 mm 0.422 mm 0.422 mm 111. HRAS_085 EG 1982.02.11-21:44:32.616 0.006 mm 0.422 mm 0.422 mm 112. WESTFORD 7209 NOAM X Comp 1492206576.00 mm 32.995 mm 5.117 mm 5.119 mm 113. WESTFORD 7209 NOAM Y Comp -4458130428.61 mm 93.392 mm 18.879 mm 18.886 mm 114. WESTFORD 7209 NOAM Z Comp 4296015475.05 mm -71.951 mm 14.202 mm 14.208 mm WESTFORD 7209 U Comp -106.18 mm -106.183 mm 22.328 mm 19.502 mm WESTFORD 7209 E Comp 60.93 mm 60.933 mm 8.589 mm 7.502 mm WESTFORD 7209 N Comp -0.08 mm -0.082 mm 3.463 mm 3.025 mm 115. WESTFORD AT 0 1982.02.10-21:45:32.616 -2.951 ps 33.079 ps 33.092 ps WESTFORD Atm 1982.02.11-09:46:04.800 Avg: 26.180 ps Rms: 18.444 ps Tot_Rms: 32.025 ps || Nat: 234 Dura: 86040.0 sec Tzd_avg: 7734.1 Tzd_rms: 37.0 Wzd_avg: 77.6 Wzd_rms: 28.0 ps Prs_avg: 101291. Pa Tem_avg: -6.1 C Stm_avg: 3.8 C Stm_rms: 0.7 K Spr_avg: 415. Spr_rms: 68. Pa 188. WESTFORD NG 1982.02.10-21:44:32.616 0.002 mm 0.422 mm 0.422 mm 189. WESTFORD EG 1982.02.10-21:44:32.616 0.010 mm 0.422 mm 0.422 mm 190. WESTFORD NG 1982.02.11-05:44:32.616 0.017 mm 0.377 mm 0.377 mm 191. WESTFORD EG 1982.02.11-05:44:32.616 0.009 mm 0.377 mm 0.377 mm 192. WESTFORD NG 1982.02.11-13:44:32.616 0.003 mm 0.377 mm 0.377 mm 193. WESTFORD EG 1982.02.11-13:44:32.616 -0.002 mm 0.377 mm 0.377 mm 194. WESTFORD NG 1982.02.11-21:44:32.616 -0.008 mm 0.422 mm 0.423 mm 195. WESTFORD EG 1982.02.11-21:44:32.616 0.000 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.54 ps/h NRMS 0.19 share 0.91 count 73 2. WESTFORD Input 50.00 ps/h RMS 10.93 ps/h NRMS 0.22 share 0.88 count 73 Overall RMS 10.26 ps/h NRMS 0.21 share 0.89 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.79 D-14 NRMS 0.36 share 0.26 count 25 Overall RMS 1.79 D-14 NRMS 0.36 share 0.26 count 25 196. UT1-TAI 1, 1982.02.11-09:43:00.000 -2.4624 ms/d -85.80 micros/d 281.26 micros/d 281.38 micros/d EOP epoch (TDT) MJD: 45011.405234 NUT epoch (TDT) MJD: 45011.387424 197. Nutation DPSI wrt apriori model 1982.02.11-09:42:31.176 -0.617 mas 3033.3 microasec 3034.5 microasec Nutation Dx wrt apriori model 1982.02.11-09:42:31.176 -0.244 mas 1203.8 microasec 1204.3 microasec Nutation DPSI wrt Wahr 1980 model 1982.02.11-09:42:31.176 4.757 mas 3033.3 microasec 3034.5 microasec 198. Nutation DEPS wrt apriori model 1982.02.11-09:42:31.176 -0.290 mas 712.4 microasec 712.7 microasec Nutation Dy wrt apriori model 1982.02.11-09:42:31.176 -0.291 mas 717.3 microasec 717.6 microasec Nutation DEPS wrt Wahr 1980 model 1982.02.11-09:42:31.176 1.171 mas 712.4 microasec 712.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0849 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.02.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928038.72 10.72 3134928038.72 10.72 30.57 6.25 234.75 46.72 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:16 Correlator type: Unknown Experiment code: pol046 Mark-3 db_name: $82FEB17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820217_a Ver 2 pol046 Matrix Condition Number = 3.015295098502975E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.3 4.9 836.7 1.4 28.0 2.0 WESTFORD MET -4.2 2.2 1017.7 2.3 20.4 10.0 Run 26091-1736 240 Observation Pairs Available Session started on: 2445018.250900 1982.02.17 18:01:17.760 UTC Nominal duration: 88680.960 sec 01 00:38:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 174 70.528 ps 0.89 1.0306 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 174 Number of potentially good observations with QC 5-9: 174 Number of used observations: 174 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 174 174 70.528 0.89 19820217_a pol046 1982.02.18-06:20:18.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 16 91.268 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 0212+735 J0217+7349 5 5 15 68.380 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 0234+285 J0237+2848 13 13 13 115.257 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 0552+398 J0555+3948 17 17 19 110.211 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 1637+574 J1638+5720 7 7 22 135.166 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 2134+00 J2136+0041 8 8 18 124.109 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 3C273B J1229+0203 16 16 16 31.728 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 3C345 J1642+3948 22 22 24 32.066 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 3C454.3 J2253+1608 14 14 17 39.439 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: 4C39.25 J0927+3902 7 7 15 142.609 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: NRAO150 J0359+5057 16 16 16 90.076 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: OJ287 J0854+2006 14 14 15 66.141 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: OQ208 J1407+2827 15 15 22 121.644 19820217_a pol046 1982.02.18-06:20:18.240 SRC_STAT: VR422201 J2202+4216 7 7 12 74.141 19820217_a pol046 1982.02.18-06:20:18.240 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.02.18-06:19:46 1. HRAS_085 7216 NOAM X Comp -1324211083.02 mm -66.022 mm 6.549 mm 6.649 mm 2. HRAS_085 7216 NOAM Y Comp -5332023105.49 mm -23.489 mm 28.699 mm 29.135 mm 3. HRAS_085 7216 NOAM Z Comp 3232118420.65 mm 113.648 mm 21.699 mm 22.029 mm HRAS_085 7216 U Comp 91.22 mm 91.221 mm 34.671 mm 30.955 mm HRAS_085 7216 E Comp -58.41 mm -58.414 mm 9.854 mm 8.798 mm HRAS_085 7216 N Comp 78.06 mm 78.058 mm 6.176 mm 5.514 mm 4. HRAS_085 CL 0 1982.02.17-18:00:45.576 27963.179 ns 0.408 ns 0.414 ns 5. HRAS_085 CL 1 1982.02.17-18:00:45.576 44.966 D-14 2.120 D-14 2.152 D-14 6. HRAS_085 CL 2 1982.02.17-18:00:45.576 2.355 D-14/day 1.745 D-14/day 1.772 D-14/day 32. HRAS_085 AT 0 1982.02.17-18:00:45.576 14.206 ps 85.782 ps 87.086 ps HRAS_085 Atm 1982.02.18-06:31:17.760 Avg: -15.349 ps Rms: 19.480 ps Tot_Rms: 24.801 ps || Nat: 240 Dura: 88680.0 sec Tzd_avg: 6528.3 Tzd_rms: 61.9 Wzd_avg: 179.2 Wzd_rms: 58.4 ps Prs_avg: 83669. Pa Tem_avg: 8.3 C Stm_avg: -3.8 C Stm_rms: 2.8 K Spr_avg: 99. Spr_rms: 88. Pa 108. HRAS_085 NG 1982.02.17-17:59:45.576 -0.011 mm 0.422 mm 0.429 mm 109. HRAS_085 EG 1982.02.17-17:59:45.576 0.007 mm 0.422 mm 0.429 mm 110. HRAS_085 NG 1982.02.18-01:59:45.576 -0.002 mm 0.377 mm 0.383 mm 111. HRAS_085 EG 1982.02.18-01:59:45.576 0.042 mm 0.377 mm 0.383 mm 112. HRAS_085 NG 1982.02.18-09:59:45.576 -0.014 mm 0.377 mm 0.383 mm 113. HRAS_085 EG 1982.02.18-09:59:45.576 0.010 mm 0.377 mm 0.383 mm 114. HRAS_085 NG 1982.02.18-17:59:45.576 -0.009 mm 0.422 mm 0.429 mm 115. HRAS_085 EG 1982.02.18-17:59:45.576 0.009 mm 0.422 mm 0.429 mm 116. WESTFORD 7209 NOAM X Comp 1492206609.02 mm 66.022 mm 6.549 mm 6.649 mm 117. WESTFORD 7209 NOAM Y Comp -4458130498.51 mm 23.489 mm 28.699 mm 29.135 mm 118. WESTFORD 7209 NOAM Z Comp 4296015433.35 mm -113.648 mm 21.699 mm 22.029 mm WESTFORD 7209 U Comp -77.91 mm -77.915 mm 34.734 mm 31.012 mm WESTFORD 7209 E Comp 70.06 mm 70.064 mm 10.496 mm 9.371 mm WESTFORD 7209 N Comp -82.75 mm -82.746 mm 4.551 mm 4.063 mm 119. WESTFORD AT 0 1982.02.17-18:00:45.576 29.059 ps 84.139 ps 85.418 ps WESTFORD Atm 1982.02.18-06:31:17.760 Avg: 37.401 ps Rms: 27.018 ps Tot_Rms: 46.139 ps || Nat: 240 Dura: 88680.0 sec Tzd_avg: 7797.0 Tzd_rms: 29.2 Wzd_avg: 105.8 Wzd_rms: 15.7 ps Prs_avg: 101765. Pa Tem_avg: -4.2 C Stm_avg: 0.8 C Stm_rms: 1.0 K Spr_avg: 424. Spr_rms: 51. Pa 195. WESTFORD NG 1982.02.17-17:59:45.576 -0.011 mm 0.422 mm 0.429 mm 196. WESTFORD EG 1982.02.17-17:59:45.576 0.009 mm 0.422 mm 0.429 mm 197. WESTFORD NG 1982.02.18-01:59:45.576 -0.009 mm 0.377 mm 0.383 mm 198. WESTFORD EG 1982.02.18-01:59:45.576 -0.010 mm 0.377 mm 0.383 mm 199. WESTFORD NG 1982.02.18-09:59:45.576 0.001 mm 0.377 mm 0.383 mm 200. WESTFORD EG 1982.02.18-09:59:45.576 0.033 mm 0.377 mm 0.383 mm 201. WESTFORD NG 1982.02.18-17:59:45.576 0.002 mm 0.422 mm 0.429 mm 202. WESTFORD EG 1982.02.18-17:59:45.576 0.014 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.11 ps/h NRMS 0.20 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 9.78 ps/h NRMS 0.20 share 0.92 count 76 Overall RMS 9.95 ps/h NRMS 0.20 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.39 D-14 NRMS 0.48 share 0.26 count 26 Overall RMS 2.39 D-14 NRMS 0.48 share 0.26 count 26 203. UT1-TAI 1, 1982.02.18-06:20:00.000 -1.7810 ms/d 68.58 micros/d 229.65 micros/d 233.14 micros/d EOP epoch (TDT) MJD: 45018.264261 NUT epoch (TDT) MJD: 45018.277967 204. Nutation DPSI wrt apriori model 1982.02.18-06:19:46.056 -0.397 mas 3073.4 microasec 3120.1 microasec Nutation Dx wrt apriori model 1982.02.18-06:19:46.056 -0.154 mas 1219.4 microasec 1237.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.02.18-06:19:46.056 3.992 mas 3073.4 microasec 3120.1 microasec 205. Nutation DEPS wrt apriori model 1982.02.18-06:19:46.056 -1.033 mas 816.8 microasec 829.2 microasec Nutation Dy wrt apriori model 1982.02.18-06:19:46.056 -1.033 mas 821.7 microasec 834.1 microasec Nutation DEPS wrt Wahr 1980 model 1982.02.18-06:19:46.056 0.538 mas 816.8 microasec 829.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1169 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.02.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928030.79 13.37 3134928030.79 13.37 195.17 7.42 173.88 71.52 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:19 Correlator type: Unknown Experiment code: pol047 Mark-3 db_name: $82FEB24X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820224_a Ver 2 pol047 Matrix Condition Number = 5.831298481173940E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.2 7.5 842.3 1.6 12.7 29.2 WESTFORD MET -3.9 3.4 1006.5 3.5 25.3 3.0 Run 26091-1736 148 Observation Pairs Available Session started on: 2445025.250900 1982.02.24 18:01:17.760 UTC Nominal duration: 83263.680 sec 00 23:07:43.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 102 61.844 ps 0.83 0.9642 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 104 Number of potentially good observations with QC 5-9: 104 Number of used observations: 102 ( 98.08%) Number of suppressed observations: 2 ( 1.92%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 102 104 61.844 0.83 19820224_a pol047 1982.02.25-05:35:09.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 14 68.616 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 0212+735 J0217+7349 4 4 13 116.330 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 0234+285 J0237+2848 11 11 13 62.064 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 0552+398 J0555+3948 14 14 15 102.585 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 1637+574 J1638+5720 0 1 7 0.000 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 2134+00 J2136+0041 4 5 12 125.445 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 3C273B J1229+0203 4 4 5 29.796 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 3C345 J1642+3948 5 5 5 15.133 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 3C454.3 J2253+1608 12 12 13 17.866 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: 4C39.25 J0927+3902 2 2 8 239.671 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: NRAO150 J0359+5057 14 14 14 65.523 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: OJ287 J0854+2006 9 9 10 63.497 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: OQ208 J1407+2827 6 6 8 146.697 19820224_a pol047 1982.02.25-05:35:09.600 SRC_STAT: VR422201 J2202+4216 6 6 11 61.813 19820224_a pol047 1982.02.25-05:35:09.600 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.02.25-05:34:37 1. HRAS_085 7216 NOAM X Comp -1324211056.23 mm -39.227 mm 8.740 mm 8.582 mm 2. HRAS_085 7216 NOAM Y Comp -5332023159.34 mm -77.344 mm 39.392 mm 38.681 mm 3. HRAS_085 7216 NOAM Z Comp 3232118411.94 mm 104.941 mm 30.695 mm 30.141 mm HRAS_085 7216 U Comp 126.20 mm 126.199 mm 47.446 mm 39.260 mm HRAS_085 7216 E Comp -19.43 mm -19.428 mm 15.037 mm 12.443 mm HRAS_085 7216 N Comp 47.22 mm 47.222 mm 9.649 mm 7.984 mm 4. HRAS_085 CL 0 1982.02.24-18:00:45.576 28400.567 ns 0.560 ns 0.550 ns 5. HRAS_085 CL 1 1982.02.24-18:00:45.576 56.137 D-14 2.261 D-14 2.220 D-14 6. HRAS_085 CL 2 1982.02.24-18:00:45.576 2.340 D-14/day 1.998 D-14/day 1.962 D-14/day 31. HRAS_085 AT 0 1982.02.24-18:00:45.576 71.425 ps 100.523 ps 98.708 ps HRAS_085 Atm 1982.02.25-06:01:17.760 Avg: -10.779 ps Rms: 56.723 ps Tot_Rms: 57.738 ps || Nat: 148 Dura: 83270.0 sec Tzd_avg: 6706.0 Tzd_rms: 74.2 Wzd_avg: 324.2 Wzd_rms: 73.5 ps Prs_avg: 84232. Pa Tem_avg: 8.3 C Stm_avg: -4.4 C Stm_rms: 3.2 K Spr_avg: 168. Spr_rms: 146. Pa 104. HRAS_085 NG 1982.02.24-17:59:45.576 -0.000 mm 0.422 mm 0.415 mm 105. HRAS_085 EG 1982.02.24-17:59:45.576 -0.016 mm 0.422 mm 0.415 mm 106. HRAS_085 NG 1982.02.25-01:59:45.576 -0.005 mm 0.377 mm 0.370 mm 107. HRAS_085 EG 1982.02.25-01:59:45.576 0.008 mm 0.377 mm 0.370 mm 108. HRAS_085 NG 1982.02.25-09:59:45.576 -0.005 mm 0.377 mm 0.370 mm 109. HRAS_085 EG 1982.02.25-09:59:45.576 0.006 mm 0.377 mm 0.370 mm 110. HRAS_085 NG 1982.02.25-17:59:45.576 -0.009 mm 0.422 mm 0.415 mm 111. HRAS_085 EG 1982.02.25-17:59:45.576 -0.002 mm 0.422 mm 0.415 mm 112. WESTFORD 7209 NOAM X Comp 1492206582.23 mm 39.227 mm 8.740 mm 8.582 mm 113. WESTFORD 7209 NOAM Y Comp -4458130444.66 mm 77.344 mm 39.392 mm 38.681 mm 114. WESTFORD 7209 NOAM Z Comp 4296015442.06 mm -104.941 mm 30.695 mm 30.141 mm WESTFORD 7209 U Comp -115.86 mm -115.864 mm 48.803 mm 40.383 mm WESTFORD 7209 E Comp 61.75 mm 61.748 mm 11.943 mm 9.883 mm WESTFORD 7209 N Comp -36.00 mm -36.003 mm 6.781 mm 5.611 mm 115. WESTFORD AT 0 1982.02.24-18:00:45.576 12.726 ps 126.738 ps 124.450 ps WESTFORD Atm 1982.02.25-06:01:17.760 Avg: 50.910 ps Rms: 49.517 ps Tot_Rms: 71.019 ps || Nat: 148 Dura: 83270.0 sec Tzd_avg: 7715.7 Tzd_rms: 28.8 Wzd_avg: 107.0 Wzd_rms: 48.4 ps Prs_avg: 100649. Pa Tem_avg: -3.9 C Stm_avg: 2.8 C Stm_rms: 1.3 K Spr_avg: 392. Spr_rms: 88. Pa 188. WESTFORD NG 1982.02.24-17:59:45.576 -0.006 mm 0.422 mm 0.415 mm 189. WESTFORD EG 1982.02.24-17:59:45.576 0.007 mm 0.422 mm 0.415 mm 190. WESTFORD NG 1982.02.25-01:59:45.576 0.001 mm 0.377 mm 0.370 mm 191. WESTFORD EG 1982.02.25-01:59:45.576 -0.013 mm 0.377 mm 0.370 mm 192. WESTFORD NG 1982.02.25-09:59:45.576 0.002 mm 0.377 mm 0.370 mm 193. WESTFORD EG 1982.02.25-09:59:45.576 0.001 mm 0.377 mm 0.370 mm 194. WESTFORD NG 1982.02.25-17:59:45.576 0.007 mm 0.422 mm 0.415 mm 195. WESTFORD EG 1982.02.25-17:59:45.576 0.012 mm 0.422 mm 0.415 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.73 ps/h NRMS 0.23 share 0.94 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.61 ps/h NRMS 0.19 share 0.95 count 73 Overall RMS 10.72 ps/h NRMS 0.21 share 0.94 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.97 D-14 NRMS 0.39 share 0.47 count 25 Overall RMS 1.97 D-14 NRMS 0.39 share 0.47 count 25 196. UT1-TAI 1, 1982.02.25-05:35:00.000 -2.5047 ms/d 340.47 micros/d 307.42 micros/d 301.87 micros/d EOP epoch (TDT) MJD: 45025.233011 NUT epoch (TDT) MJD: 45025.206110 197. Nutation DPSI wrt apriori model 1982.02.25-05:34:37.416 -5.934 mas 4426.1 microasec 4346.2 microasec Nutation Dx wrt apriori model 1982.02.25-05:34:37.416 -2.367 mas 1756.0 microasec 1724.3 microasec Nutation DPSI wrt Wahr 1980 model 1982.02.25-05:34:37.416 -0.190 mas 4426.1 microasec 4346.2 microasec 198. Nutation DEPS wrt apriori model 1982.02.25-05:34:37.416 1.684 mas 1184.3 microasec 1162.9 microasec Nutation Dy wrt apriori model 1982.02.25-05:34:37.416 1.675 mas 1191.3 microasec 1169.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.02.25-05:34:37.416 3.106 mas 1184.3 microasec 1162.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1259 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.02.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928018.58 17.69 3134928018.58 17.69 100.70 11.22 249.39 99.21 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:22 Correlator type: Unknown Experiment code: pol048 Mark-3 db_name: $82MAR03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820303_a Ver 2 pol048 Matrix Condition Number = 5.098885967652978E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.6 2.1 832.9 1.0 18.7 3.9 WESTFORD MET -5.8 3.8 1014.2 2.7 25.1 25.0 Run 26091-1736 247 Observation Pairs Available Session started on: 2445032.251400 1982.03.03 18:02:00.960 UTC Nominal duration: 110894.400 sec 01 06:48:14.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 164 68.722 ps 0.86 0.9652 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 164 Number of potentially good observations with QC 5-9: 164 Number of used observations: 164 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 164 164 68.722 0.86 19820303_a pol048 1982.03.04-09:26:08.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 16 87.814 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 0212+735 J0217+7349 5 5 17 135.042 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 0234+285 J0237+2848 11 11 19 78.566 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 0552+398 J0555+3948 14 14 19 96.505 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 1637+574 J1638+5720 8 8 20 135.267 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 2134+00 J2136+0041 7 7 17 101.653 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 3C273B J1229+0203 15 15 15 41.746 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 3C345 J1642+3948 20 20 22 40.191 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 3C454.3 J2253+1608 17 17 17 43.393 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: 4C39.25 J0927+3902 6 6 16 171.325 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: NRAO150 J0359+5057 12 12 18 94.394 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: OJ287 J0854+2006 15 15 16 63.943 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: OQ208 J1407+2827 15 15 21 132.082 19820303_a pol048 1982.03.04-09:26:08.160 SRC_STAT: VR422201 J2202+4216 7 7 14 41.191 19820303_a pol048 1982.03.04-09:26:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.03.04-09:25:35 1. HRAS_085 7216 NOAM X Comp -1324211046.11 mm -29.105 mm 7.796 mm 7.659 mm 2. HRAS_085 7216 NOAM Y Comp -5332023231.32 mm -149.319 mm 33.598 mm 33.009 mm 3. HRAS_085 7216 NOAM Z Comp 3232118377.88 mm 70.883 mm 25.948 mm 25.493 mm HRAS_085 7216 U Comp 166.85 mm 166.846 mm 40.762 mm 35.054 mm HRAS_085 7216 E Comp 7.74 mm 7.743 mm 12.012 mm 10.330 mm HRAS_085 7216 N Comp -16.43 mm -16.434 mm 7.560 mm 6.501 mm 4. HRAS_085 CL 0 1982.03.03-18:01:28.776 27581.161 ns 0.460 ns 0.452 ns 5. HRAS_085 CL 1 1982.03.03-18:01:28.776 74.246 D-14 1.931 D-14 1.897 D-14 6. HRAS_085 CL 2 1982.03.03-18:01:28.776 1.733 D-14/day 1.307 D-14/day 1.284 D-14/day 38. HRAS_085 AT 0 1982.03.03-18:01:28.776 -172.491 ps 107.606 ps 105.720 ps HRAS_085 Atm 1982.03.04-09:32:00.960 Avg: -152.450 ps Rms: 44.806 ps Tot_Rms: 158.898 ps || Nat: 247 Dura: 110890.0 sec Tzd_avg: 6454.7 Tzd_rms: 22.9 Wzd_avg: 121.9 Wzd_rms: 23.8 ps Prs_avg: 83293. Pa Tem_avg: 13.6 C Stm_avg: 0.2 C Stm_rms: 1.5 K Spr_avg: -39. Spr_rms: 67. Pa 132. HRAS_085 NG 1982.03.03-18:00:28.776 -0.005 mm 0.422 mm 0.415 mm 133. HRAS_085 EG 1982.03.03-18:00:28.776 -0.001 mm 0.422 mm 0.415 mm 134. HRAS_085 NG 1982.03.04-02:00:28.776 -0.005 mm 0.377 mm 0.370 mm 135. HRAS_085 EG 1982.03.04-02:00:28.776 0.005 mm 0.377 mm 0.370 mm 136. HRAS_085 NG 1982.03.04-10:00:28.776 -0.011 mm 0.373 mm 0.366 mm 137. HRAS_085 EG 1982.03.04-10:00:28.776 0.010 mm 0.373 mm 0.366 mm 138. HRAS_085 NG 1982.03.04-18:00:28.776 0.003 mm 0.377 mm 0.370 mm 139. HRAS_085 EG 1982.03.04-18:00:28.776 -0.003 mm 0.377 mm 0.370 mm 140. HRAS_085 NG 1982.03.05-02:00:28.776 0.006 mm 0.422 mm 0.415 mm 141. HRAS_085 EG 1982.03.05-02:00:28.776 0.005 mm 0.422 mm 0.415 mm 142. WESTFORD 7209 NOAM X Comp 1492206572.11 mm 29.105 mm 7.796 mm 7.659 mm 143. WESTFORD 7209 NOAM Y Comp -4458130372.68 mm 149.319 mm 33.598 mm 33.009 mm 144. WESTFORD 7209 NOAM Z Comp 4296015476.12 mm -70.883 mm 25.948 mm 25.493 mm WESTFORD 7209 U Comp -145.40 mm -145.400 mm 41.210 mm 35.439 mm WESTFORD 7209 E Comp 74.99 mm 74.995 mm 11.865 mm 10.203 mm WESTFORD 7209 N Comp 37.45 mm 37.447 mm 4.890 mm 4.205 mm 145. WESTFORD AT 0 1982.03.03-18:01:28.776 -19.364 ps 136.362 ps 133.971 ps WESTFORD Atm 1982.03.04-09:32:00.960 Avg: -38.231 ps Rms: 23.771 ps Tot_Rms: 45.018 ps || Nat: 247 Dura: 110890.0 sec Tzd_avg: 7780.4 Tzd_rms: 80.3 Wzd_avg: 116.5 Wzd_rms: 91.4 ps Prs_avg: 101417. Pa Tem_avg: -5.7 C Stm_avg: 1.9 C Stm_rms: 1.6 K Spr_avg: 427. Spr_rms: 71. Pa 239. WESTFORD NG 1982.03.03-18:00:28.776 0.002 mm 0.422 mm 0.415 mm 240. WESTFORD EG 1982.03.03-18:00:28.776 0.006 mm 0.422 mm 0.415 mm 241. WESTFORD NG 1982.03.04-02:00:28.776 0.002 mm 0.377 mm 0.370 mm 242. WESTFORD EG 1982.03.04-02:00:28.776 0.005 mm 0.377 mm 0.370 mm 243. WESTFORD NG 1982.03.04-10:00:28.776 -0.001 mm 0.373 mm 0.366 mm 244. WESTFORD EG 1982.03.04-10:00:28.776 0.026 mm 0.373 mm 0.366 mm 245. WESTFORD NG 1982.03.04-18:00:28.776 -0.018 mm 0.377 mm 0.370 mm 246. WESTFORD EG 1982.03.04-18:00:28.776 0.008 mm 0.377 mm 0.370 mm 247. WESTFORD NG 1982.03.05-02:00:28.776 -0.013 mm 0.422 mm 0.415 mm 248. WESTFORD EG 1982.03.05-02:00:28.776 -0.007 mm 0.422 mm 0.415 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.08 ps/h NRMS 0.20 share 0.94 count 94 2. WESTFORD Input 50.00 ps/h RMS 9.51 ps/h NRMS 0.19 share 0.94 count 94 Overall RMS 9.80 ps/h NRMS 0.20 share 0.94 count 188 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.52 count 10 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.52 count 10 Overall RMS 0.03 mm/d NRMS 0.02 share 0.52 count 20 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.39 D-14 NRMS 0.68 share 0.40 count 32 Overall RMS 3.39 D-14 NRMS 0.68 share 0.40 count 32 249. UT1-TAI 1, 1982.03.04-09:26:00.000 -3.0544 ms/d -797.12 micros/d 338.31 micros/d 332.38 micros/d EOP epoch (TDT) MJD: 45032.393428 NUT epoch (TDT) MJD: 45032.444091 250. Nutation DPSI wrt apriori model 1982.03.04-09:25:35.976 -8.589 mas 3215.7 microasec 3159.3 microasec Nutation Dx wrt apriori model 1982.03.04-09:25:35.976 -3.411 mas 1275.2 microasec 1252.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.03.04-09:25:35.976 -3.817 mas 3215.7 microasec 3159.3 microasec 251. Nutation DEPS wrt apriori model 1982.03.04-09:25:35.976 -1.543 mas 1009.0 microasec 991.4 microasec Nutation Dy wrt apriori model 1982.03.04-09:25:35.976 -1.557 mas 1014.1 microasec 996.4 microasec Nutation DEPS wrt Wahr 1980 model 1982.03.04-09:25:35.976 -0.723 mas 1009.0 microasec 991.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0730 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.03.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928063.64 15.95 3134928063.64 15.95 -35.11 7.87 322.17 84.47 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:25 Correlator type: Unknown Experiment code: pol049 Mark-3 db_name: $82MAR10X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820310_a Ver 2 pol049 Matrix Condition Number = 4.585721858334864E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.3 3.9 839.2 0.8 7.5 2.8 WESTFORD MET 1.7 1.4 1017.5 3.2 38.7 22.5 Run 26091-1736 232 Observation Pairs Available Session started on: 2445039.251400 1982.03.10 18:02:00.960 UTC Nominal duration: 86892.480 sec 01 00:08:12.480 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 142 68.219 ps 0.88 1.0517 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 143 Number of potentially good observations with QC 5-9: 143 Number of used observations: 142 ( 99.30%) Number of suppressed observations: 1 ( 0.70%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 142 143 68.219 0.88 19820310_a pol049 1982.03.11-06:06:07.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 7 8 14 63.717 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 0212+735 J0217+7349 8 8 15 125.638 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 0234+285 J0237+2848 12 12 14 120.860 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 0552+398 J0555+3948 11 11 19 133.324 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 1637+574 J1638+5720 0 0 21 0.000 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 2134+00 J2136+0041 6 6 14 178.395 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 3C273B J1229+0203 15 15 15 37.205 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 3C345 J1642+3948 23 23 23 57.251 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 3C454.3 J2253+1608 15 15 15 32.092 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: 4C39.25 J0927+3902 0 0 15 0.000 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: NRAO150 J0359+5057 16 16 16 72.195 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: OJ287 J0854+2006 15 15 16 58.487 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: OQ208 J1407+2827 7 7 22 175.106 19820310_a pol049 1982.03.11-06:06:07.200 SRC_STAT: VR422201 J2202+4216 7 7 13 37.303 19820310_a pol049 1982.03.11-06:06:07.200 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.03.11-06:05:35 1. HRAS_085 7216 NOAM X Comp -1324211029.10 mm -12.100 mm 8.116 mm 8.323 mm 2. HRAS_085 7216 NOAM Y Comp -5332023209.60 mm -127.597 mm 35.188 mm 36.086 mm 3. HRAS_085 7216 NOAM Z Comp 3232118376.08 mm 69.078 mm 27.033 mm 27.723 mm HRAS_085 7216 U Comp 144.26 mm 144.260 mm 42.930 mm 37.897 mm HRAS_085 7216 E Comp 19.01 mm 19.011 mm 11.499 mm 10.151 mm HRAS_085 7216 N Comp -5.16 mm -5.156 mm 7.723 mm 6.818 mm 4. HRAS_085 CL 0 1982.03.10-18:01:28.776 27969.547 ns 0.483 ns 0.496 ns 5. HRAS_085 CL 1 1982.03.10-18:01:28.776 72.999 D-14 2.186 D-14 2.242 D-14 6. HRAS_085 CL 2 1982.03.10-18:01:28.776 2.231 D-14/day 1.825 D-14/day 1.871 D-14/day 32. HRAS_085 AT 0 1982.03.10-18:01:28.776 10.692 ps 110.359 ps 113.176 ps HRAS_085 Atm 1982.03.11-06:32:00.960 Avg: -42.353 ps Rms: 34.007 ps Tot_Rms: 54.317 ps || Nat: 232 Dura: 86890.0 sec Tzd_avg: 6546.8 Tzd_rms: 49.0 Wzd_avg: 172.9 Wzd_rms: 50.8 ps Prs_avg: 83922. Pa Tem_avg: 16.3 C Stm_avg: -2.4 C Stm_rms: 3.8 K Spr_avg: 30. Spr_rms: 56. Pa 108. HRAS_085 NG 1982.03.10-18:00:28.776 -0.006 mm 0.422 mm 0.433 mm 109. HRAS_085 EG 1982.03.10-18:00:28.776 -0.004 mm 0.422 mm 0.433 mm 110. HRAS_085 NG 1982.03.11-02:00:28.776 0.004 mm 0.377 mm 0.387 mm 111. HRAS_085 EG 1982.03.11-02:00:28.776 0.004 mm 0.377 mm 0.387 mm 112. HRAS_085 NG 1982.03.11-10:00:28.776 0.002 mm 0.377 mm 0.387 mm 113. HRAS_085 EG 1982.03.11-10:00:28.776 0.006 mm 0.377 mm 0.387 mm 114. HRAS_085 NG 1982.03.11-18:00:28.776 -0.002 mm 0.422 mm 0.433 mm 115. HRAS_085 EG 1982.03.11-18:00:28.776 0.005 mm 0.422 mm 0.433 mm 116. WESTFORD 7209 NOAM X Comp 1492206555.10 mm 12.100 mm 8.116 mm 8.323 mm 117. WESTFORD 7209 NOAM Y Comp -4458130394.40 mm 127.597 mm 35.188 mm 36.086 mm 118. WESTFORD 7209 NOAM Z Comp 4296015477.92 mm -69.078 mm 27.033 mm 27.723 mm WESTFORD 7209 U Comp -132.99 mm -132.990 mm 42.688 mm 37.683 mm WESTFORD 7209 E Comp 51.97 mm 51.975 mm 13.647 mm 12.047 mm WESTFORD 7209 N Comp 28.48 mm 28.483 mm 5.135 mm 4.533 mm 119. WESTFORD AT 0 1982.03.10-18:01:28.776 104.062 ps 97.877 ps 100.375 ps WESTFORD Atm 1982.03.11-06:32:00.960 Avg: 95.172 ps Rms: 16.523 ps Tot_Rms: 96.596 ps || Nat: 232 Dura: 86890.0 sec Tzd_avg: 7961.7 Tzd_rms: 35.2 Wzd_avg: 277.5 Wzd_rms: 61.0 ps Prs_avg: 101746. Pa Tem_avg: 1.7 C Stm_avg: 0.1 C Stm_rms: 1.6 K Spr_avg: 419. Spr_rms: 60. Pa 195. WESTFORD NG 1982.03.10-18:00:28.776 -0.008 mm 0.422 mm 0.433 mm 196. WESTFORD EG 1982.03.10-18:00:28.776 0.007 mm 0.422 mm 0.433 mm 197. WESTFORD NG 1982.03.11-02:00:28.776 -0.011 mm 0.377 mm 0.387 mm 198. WESTFORD EG 1982.03.11-02:00:28.776 -0.008 mm 0.377 mm 0.387 mm 199. WESTFORD NG 1982.03.11-10:00:28.776 -0.002 mm 0.377 mm 0.387 mm 200. WESTFORD EG 1982.03.11-10:00:28.776 0.002 mm 0.377 mm 0.386 mm 201. WESTFORD NG 1982.03.11-18:00:28.776 0.003 mm 0.422 mm 0.433 mm 202. WESTFORD EG 1982.03.11-18:00:28.776 -0.001 mm 0.422 mm 0.433 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.87 ps/h NRMS 0.22 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 10.14 ps/h NRMS 0.20 share 0.93 count 76 Overall RMS 10.51 ps/h NRMS 0.21 share 0.93 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.00 D-14 NRMS 0.60 share 0.30 count 26 Overall RMS 3.00 D-14 NRMS 0.60 share 0.30 count 26 203. UT1-TAI 1, 1982.03.11-06:06:00.000 -2.5963 ms/d -204.12 micros/d 327.34 micros/d 335.69 micros/d EOP epoch (TDT) MJD: 45039.254539 NUT epoch (TDT) MJD: 45039.263125 204. Nutation DPSI wrt apriori model 1982.03.11-06:05:35.016 -3.531 mas 4122.6 microasec 4227.9 microasec Nutation Dx wrt apriori model 1982.03.11-06:05:35.016 -1.408 mas 1635.8 microasec 1677.5 microasec Nutation DPSI wrt Wahr 1980 model 1982.03.11-06:05:35.016 2.676 mas 4122.6 microasec 4227.9 microasec 205. Nutation DEPS wrt apriori model 1982.03.11-06:05:35.016 0.916 mas 1068.4 microasec 1095.7 microasec Nutation Dy wrt apriori model 1982.03.11-06:05:35.016 0.910 mas 1074.9 microasec 1102.4 microasec Nutation DEPS wrt Wahr 1980 model 1982.03.11-06:05:35.016 0.973 mas 1068.4 microasec 1095.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1671 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.03.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928022.20 16.78 3134928022.20 16.78 -29.03 8.65 286.07 88.22 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:28 Correlator type: Unknown Experiment code: pol050 Mark-3 db_name: $82MAR17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820317_a Ver 2 pol050 Matrix Condition Number = 2.194027951904950E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.2 6.1 837.2 0.6 6.9 3.5 ONSALA60 MET 2.1 0.4 1005.8 1.5 88.0 5.7 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 2.5 2.6 1009.1 3.5 77.3 38.7 Run 26091-1736 587 Observation Pairs Available Session started on: 2445046.250900 1982.03.17 18:01:17.760 UTC Nominal duration: 88663.680 sec 01 00:37:43.680 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 206 53.659 ps 0.80 0.9407 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 209 Number of potentially good observations with QC 5-9: 209 Number of used observations: 206 ( 98.56%) Number of suppressed observations: 3 ( 1.44%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 20 20 51.462 0.74 19820317_a pol050 1982.03.18-06:20:09.6 BAS_STAT HRAS_085 WESTFORD 107 109 45.042 0.78 19820317_a pol050 1982.03.18-06:20:09.6 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 79 80 77.414 0.83 19820317_a pol050 1982.03.18-06:20:09.6 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19820317_a pol050 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820317_a pol050 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 11 22 115.136 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 0212+735 J0217+7349 17 17 60 122.273 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 0234+285 J0237+2848 17 17 28 89.182 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 0552+398 J0555+3948 20 20 45 96.329 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 1637+574 J1638+5720 0 0 67 0.000 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 2134+00 J2136+0041 10 10 28 64.328 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 3C273B J1229+0203 14 14 23 36.639 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 3C345 J1642+3948 28 29 48 40.678 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 3C454.3 J2253+1608 17 17 32 15.406 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: 4C39.25 J0927+3902 10 10 45 144.350 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: NRAO150 J0359+5057 15 15 58 63.059 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: OJ287 J0854+2006 28 28 44 61.845 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: OQ208 J1407+2827 7 7 30 130.558 19820317_a pol050 1982.03.18-06:20:09.600 SRC_STAT: VR422201 J2202+4216 14 14 57 76.219 19820317_a pol050 1982.03.18-06:20:09.600 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.03.18-06:19:37 1. HRAS_085 7216 NOAM X Comp -1324211068.99 mm -51.986 mm 17.718 mm 17.185 mm 2. HRAS_085 7216 NOAM Y Comp -5332023019.72 mm 62.280 mm 57.484 mm 55.755 mm 3. HRAS_085 7216 NOAM Z Comp 3232118432.80 mm 125.801 mm 39.274 mm 38.092 mm HRAS_085 7216 U Comp 22.88 mm 22.882 mm 69.777 mm 55.652 mm HRAS_085 7216 E Comp -65.46 mm -65.464 mm 10.363 mm 8.265 mm HRAS_085 7216 N Comp 132.66 mm 132.657 mm 13.585 mm 10.835 mm 4. HRAS_085 CL 0 1982.03.17-18:00:45.576 28296.813 ns 0.548 ns 0.531 ns 5. HRAS_085 CL 1 1982.03.17-18:00:45.576 45.669 D-14 2.097 D-14 2.034 D-14 6. HRAS_085 CL 2 1982.03.17-18:00:45.576 2.800 D-14/day 1.812 D-14/day 1.757 D-14/day 32. HRAS_085 AT 0 1982.03.17-18:00:45.576 -67.754 ps 205.178 ps 199.005 ps HRAS_085 Atm 1982.03.18-06:31:17.760 Avg: 55.225 ps Rms: 75.210 ps Tot_Rms: 93.307 ps || Nat: 164 Dura: 88670.0 sec Tzd_avg: 6544.4 Tzd_rms: 48.1 Wzd_avg: 191.7 Wzd_rms: 51.4 ps Prs_avg: 83722. Pa Tem_avg: 14.3 C Stm_avg: -5.7 C Stm_rms: 4.9 K Spr_avg: 100. Spr_rms: 73. Pa 108. HRAS_085 NG 1982.03.17-17:59:45.576 0.012 mm 0.422 mm 0.409 mm 109. HRAS_085 EG 1982.03.17-17:59:45.576 0.022 mm 0.422 mm 0.409 mm 110. HRAS_085 NG 1982.03.18-01:59:45.576 0.006 mm 0.377 mm 0.366 mm 111. HRAS_085 EG 1982.03.18-01:59:45.576 0.007 mm 0.377 mm 0.366 mm 112. HRAS_085 NG 1982.03.18-09:59:45.576 -0.002 mm 0.377 mm 0.366 mm 113. HRAS_085 EG 1982.03.18-09:59:45.576 -0.015 mm 0.377 mm 0.366 mm 114. HRAS_085 NG 1982.03.18-17:59:45.576 -0.016 mm 0.422 mm 0.410 mm 115. HRAS_085 EG 1982.03.18-17:59:45.576 -0.006 mm 0.422 mm 0.409 mm 116. ONSALA60 7213 EURA X Comp 3370606004.97 mm 15.966 mm 20.466 mm 19.850 mm 117. ONSALA60 7213 EURA Y Comp 711917359.54 mm -169.460 mm 29.863 mm 28.965 mm 118. ONSALA60 7213 EURA Z Comp 5349830639.60 mm -126.396 mm 34.624 mm 33.582 mm ONSALA60 7213 U Comp -116.93 mm -116.930 mm 34.848 mm 27.793 mm ONSALA60 7213 E Comp -169.10 mm -169.101 mm 28.862 mm 23.019 mm ONSALA60 7213 N Comp -51.77 mm -51.765 mm 21.496 mm 17.145 mm 119. ONSALA60 CL 0 1982.03.17-18:00:45.576 15884.547 ns 0.343 ns 0.332 ns 120. ONSALA60 CL 1 1982.03.17-18:00:45.576 2.280 D-14 2.526 D-14 2.450 D-14 121. ONSALA60 CL 2 1982.03.17-18:00:45.576 1.558 D-14/day 2.327 D-14/day 2.257 D-14/day 147. ONSALA60 AT 0 1982.03.17-18:00:45.576 12.605 ps 59.337 ps 57.552 ps ONSALA60 Atm 1982.03.18-06:31:17.760 Avg: 19.762 ps Rms: 5.854 ps Tot_Rms: 20.611 ps || Nat: 139 Dura: 79450.0 sec Tzd_avg: 7832.7 Tzd_rms: 17.3 Wzd_avg: 218.2 Wzd_rms: 8.2 ps Prs_avg: 100580. Pa Tem_avg: 2.0 C Stm_avg: -1.1 C Stm_rms: 1.1 K Spr_avg: 62. Spr_rms: 96. Pa 223. ONSALA60 NG 1982.03.17-17:59:45.576 0.004 mm 0.422 mm 0.410 mm 224. ONSALA60 EG 1982.03.17-17:59:45.576 -0.007 mm 0.422 mm 0.410 mm 225. ONSALA60 NG 1982.03.18-01:59:45.576 0.005 mm 0.377 mm 0.366 mm 226. ONSALA60 EG 1982.03.18-01:59:45.576 -0.001 mm 0.377 mm 0.366 mm 227. ONSALA60 NG 1982.03.18-09:59:45.576 0.001 mm 0.377 mm 0.366 mm 228. ONSALA60 EG 1982.03.18-09:59:45.576 0.005 mm 0.377 mm 0.366 mm 229. ONSALA60 NG 1982.03.18-17:59:45.576 -0.005 mm 0.422 mm 0.410 mm 230. ONSALA60 EG 1982.03.18-17:59:45.576 -0.000 mm 0.422 mm 0.410 mm 231. WESTFORD 7209 NOAM X Comp 1492206579.02 mm 36.020 mm 12.968 mm 12.578 mm 232. WESTFORD 7209 NOAM Y Comp -4458130414.82 mm 107.180 mm 31.583 mm 30.633 mm 233. WESTFORD 7209 NOAM Z Comp 4296015547.60 mm 0.596 mm 26.084 mm 25.299 mm WESTFORD 7209 U Comp -65.98 mm -65.982 mm 37.876 mm 30.209 mm WESTFORD 7209 E Comp 68.18 mm 68.177 mm 18.294 mm 14.591 mm WESTFORD 7209 N Comp 61.51 mm 61.511 mm 8.761 mm 6.987 mm 234. WESTFORD AT 0 1982.03.17-18:00:45.576 -49.339 ps 43.527 ps 42.218 ps WESTFORD Atm 1982.03.18-06:31:17.760 Avg: -27.219 ps Rms: 35.890 ps Tot_Rms: 45.044 ps || Nat: 221 Dura: 88670.0 sec Tzd_avg: 7797.0 Tzd_rms: 74.4 Wzd_avg: 172.2 Wzd_rms: 98.4 ps Prs_avg: 100921. Pa Tem_avg: 2.7 C Stm_avg: 0.7 C Stm_rms: 1.9 K Spr_avg: 425. Spr_rms: 37. Pa 310. WESTFORD NG 1982.03.17-17:59:45.576 -0.012 mm 0.422 mm 0.409 mm 311. WESTFORD EG 1982.03.17-17:59:45.576 -0.007 mm 0.422 mm 0.409 mm 312. WESTFORD NG 1982.03.18-01:59:45.576 -0.013 mm 0.377 mm 0.366 mm 313. WESTFORD EG 1982.03.18-01:59:45.576 0.009 mm 0.377 mm 0.365 mm 314. WESTFORD NG 1982.03.18-09:59:45.576 -0.012 mm 0.377 mm 0.366 mm 315. WESTFORD EG 1982.03.18-09:59:45.576 0.026 mm 0.377 mm 0.365 mm 316. WESTFORD NG 1982.03.18-17:59:45.576 0.014 mm 0.422 mm 0.409 mm 317. WESTFORD EG 1982.03.18-17:59:45.576 0.006 mm 0.422 mm 0.409 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.75 ps/h NRMS 0.23 share 0.94 count 76 2. ONSALA60 Input 50.00 ps/h RMS 7.69 ps/h NRMS 0.15 share 0.90 count 76 4. WESTFORD Input 50.00 ps/h RMS 15.63 ps/h NRMS 0.31 share 0.86 count 76 Overall RMS 12.13 ps/h NRMS 0.24 share 0.90 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.17 D-14 NRMS 0.63 share 0.29 count 26 2. ONSALA60 Input 5.00 D-14 RMS 1.60 D-14 NRMS 0.32 share 0.52 count 26 Overall RMS 2.51 D-14 NRMS 0.50 share 0.40 count 52 318. UT1-TAI 1, 1982.03.18-06:20:00.000 -1.8981 ms/d -45.32 micros/d 127.93 micros/d 124.08 micros/d EOP epoch (TDT) MJD: 45046.264261 NUT epoch (TDT) MJD: 45046.231754 319. Nutation DPSI wrt apriori model 1982.03.18-06:19:37.416 -0.257 mas 2002.6 microasec 1942.4 microasec Nutation Dx wrt apriori model 1982.03.18-06:19:37.416 -0.099 mas 794.1 microasec 770.2 microasec Nutation DPSI wrt Wahr 1980 model 1982.03.18-06:19:37.416 5.440 mas 2002.6 microasec 1942.4 microasec 320. Nutation DEPS wrt apriori model 1982.03.18-06:19:37.416 -0.786 mas 638.2 microasec 619.0 microasec Nutation Dy wrt apriori model 1982.03.18-06:19:37.416 -0.786 mas 641.4 microasec 622.1 microasec Nutation DEPS wrt Wahr 1980 model 1982.03.18-06:19:37.416 -0.720 mas 638.2 microasec 619.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0467 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.03.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732186.44 67.84 7940732186.44 67.84 266.96 12.55 96.22 93.46 HRAS_085 7216 to WESTFORD 7209 3134928025.29 26.52 3134928025.29 26.52 103.88 8.59 110.61 103.57 ONSALA60 7213 to WESTFORD 7209 5600741436.69 17.25 5600741436.69 17.25 103.10 9.38 -25.33 56.25 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:31 Correlator type: Unknown Experiment code: pol051 Mark-3 db_name: $82MAR24X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820324_a Ver 2 pol051 Matrix Condition Number = 3.504436159613807E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 11.3 5.0 837.0 3.0 7.8 10.2 WESTFORD MET 7.3 2.9 1007.6 0.8 21.2 2.0 Run 26091-1736 232 Observation Pairs Available Session started on: 2445053.250900 1982.03.24 18:01:17.760 UTC Nominal duration: 86581.440 sec 01 00:03:01.440 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 162 76.491 ps 0.89 1.0345 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 168 Number of potentially good observations with QC 5-9: 168 Number of used observations: 162 ( 96.43%) Number of suppressed observations: 6 ( 3.57%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 162 168 76.491 0.89 19820324_a pol051 1982.03.25-06:02:48.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 9 16 76.019 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 0212+735 J0217+7349 11 11 14 132.172 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 0234+285 J0237+2848 16 16 16 69.033 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 0552+398 J0555+3948 19 19 19 107.554 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 1637+574 J1638+5720 0 0 21 0.000 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 2134+00 J2136+0041 9 10 14 124.859 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 3C273B J1229+0203 14 14 15 59.014 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 3C345 J1642+3948 22 23 23 44.217 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 3C454.3 J2253+1608 13 13 14 37.322 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: 4C39.25 J0927+3902 1 1 14 210.994 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: NRAO150 J0359+5057 17 17 17 70.463 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: OJ287 J0854+2006 15 15 15 75.891 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: OQ208 J1407+2827 13 13 22 194.243 19820324_a pol051 1982.03.25-06:02:48.480 SRC_STAT: VR422201 J2202+4216 7 7 12 76.216 19820324_a pol051 1982.03.25-06:02:48.480 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.03.25-06:02:16 1. HRAS_085 7216 NOAM X Comp -1324211085.13 mm -68.133 mm 7.300 mm 7.424 mm 2. HRAS_085 7216 NOAM Y Comp -5332023174.09 mm -92.087 mm 31.041 mm 31.571 mm 3. HRAS_085 7216 NOAM Z Comp 3232118427.92 mm 120.916 mm 23.205 mm 23.601 mm HRAS_085 7216 U Comp 152.64 mm 152.645 mm 38.143 mm 33.831 mm HRAS_085 7216 E Comp -43.93 mm -43.929 mm 7.746 mm 6.871 mm HRAS_085 7216 N Comp 50.13 mm 50.126 mm 6.357 mm 5.638 mm 4. HRAS_085 AT 0 1982.03.24-18:00:45.576 -245.259 ps 112.129 ps 114.045 ps HRAS_085 Atm 1982.03.25-06:01:17.760 Avg: -185.997 ps Rms: 35.588 ps Tot_Rms: 189.371 ps || Nat: 232 Dura: 86580.0 sec Tzd_avg: 6426.3 Tzd_rms: 43.9 Wzd_avg: 67.8 Wzd_rms: 24.4 ps Prs_avg: 83700. Pa Tem_avg: 11.3 C Stm_avg: -3.9 C Stm_rms: 3.2 K Spr_avg: 55. Spr_rms: 69. Pa 77. HRAS_085 NG 1982.03.24-17:59:45.576 -0.005 mm 0.422 mm 0.429 mm 78. HRAS_085 EG 1982.03.24-17:59:45.576 0.006 mm 0.422 mm 0.429 mm 79. HRAS_085 NG 1982.03.25-01:59:45.576 -0.007 mm 0.377 mm 0.383 mm 80. HRAS_085 EG 1982.03.25-01:59:45.576 0.010 mm 0.377 mm 0.383 mm 81. HRAS_085 NG 1982.03.25-09:59:45.576 -0.008 mm 0.377 mm 0.383 mm 82. HRAS_085 EG 1982.03.25-09:59:45.576 0.018 mm 0.377 mm 0.383 mm 83. HRAS_085 NG 1982.03.25-17:59:45.576 -0.007 mm 0.422 mm 0.430 mm 84. HRAS_085 EG 1982.03.25-17:59:45.576 -0.003 mm 0.422 mm 0.430 mm 85. WESTFORD 7209 NOAM X Comp 1492206611.13 mm 68.133 mm 7.300 mm 7.424 mm 86. WESTFORD 7209 NOAM Y Comp -4458130429.91 mm 92.087 mm 31.041 mm 31.571 mm 87. WESTFORD 7209 NOAM Z Comp 4296015426.08 mm -120.916 mm 23.205 mm 23.601 mm WESTFORD 7209 U Comp -130.22 mm -130.216 mm 36.449 mm 32.329 mm WESTFORD 7209 E Comp 93.84 mm 93.839 mm 14.296 mm 12.680 mm WESTFORD 7209 N Comp -44.51 mm -44.506 mm 4.730 mm 4.196 mm 88. WESTFORD CL 0 1982.03.24-18:00:45.576 -29090.447 ns 0.385 ns 0.392 ns 89. WESTFORD CL 1 1982.03.24-18:00:45.576 -23.292 D-14 2.443 D-14 2.484 D-14 90. WESTFORD CL 2 1982.03.24-18:00:45.576 -12.137 D-14/day 2.718 D-14/day 2.765 D-14/day 91. WESTFORD BR 0 1982.03.25-12:38:55.632 33.740 ns 0.143 ns 0.146 ns 92. WESTFORD BR 1 1982.03.25-12:38:55.632 5.190 D-14 5.316 D-14 5.406 D-14 93. WESTFORD BR 2 1982.03.25-12:38:55.632 54.592 D-14/day 18.686 D-14/day 19.006 D-14/day 118. WESTFORD AT 0 1982.03.24-18:00:45.576 -20.080 ps 45.993 ps 46.779 ps WESTFORD Atm 1982.03.25-06:01:17.760 Avg: -13.017 ps Rms: 35.119 ps Tot_Rms: 37.454 ps || Nat: 232 Dura: 86580.0 sec Tzd_avg: 7817.6 Tzd_rms: 28.6 Wzd_avg: 205.6 Wzd_rms: 26.4 ps Prs_avg: 100757. Pa Tem_avg: 7.3 C Stm_avg: 2.1 C Stm_rms: 1.9 K Spr_avg: 413. Spr_rms: 76. Pa 191. WESTFORD NG 1982.03.24-17:59:45.576 -0.008 mm 0.422 mm 0.430 mm 192. WESTFORD EG 1982.03.24-17:59:45.576 -0.004 mm 0.422 mm 0.429 mm 193. WESTFORD NG 1982.03.25-01:59:45.576 -0.006 mm 0.377 mm 0.383 mm 194. WESTFORD EG 1982.03.25-01:59:45.576 -0.008 mm 0.377 mm 0.383 mm 195. WESTFORD NG 1982.03.25-09:59:45.576 0.009 mm 0.377 mm 0.384 mm 196. WESTFORD EG 1982.03.25-09:59:45.576 -0.002 mm 0.377 mm 0.383 mm 197. WESTFORD NG 1982.03.25-17:59:45.576 -0.004 mm 0.422 mm 0.430 mm 198. WESTFORD EG 1982.03.25-17:59:45.576 0.020 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.90 ps/h NRMS 0.24 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 13.72 ps/h NRMS 0.27 share 0.91 count 73 Overall RMS 12.84 ps/h NRMS 0.26 share 0.92 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. WESTFORD Input 5.00 D-14 RMS 2.87 D-14 NRMS 0.57 share 0.35 count 25 Overall RMS 2.87 D-14 NRMS 0.57 share 0.35 count 25 199. UT1-TAI 1, 1982.03.25-06:02:00.000 -2.8725 ms/d -17.74 micros/d 308.50 micros/d 313.77 micros/d EOP epoch (TDT) MJD: 45053.251761 NUT epoch (TDT) MJD: 45053.245370 200. Nutation DPSI wrt apriori model 1982.03.25-06:02:16.296 -5.554 mas 3925.5 microasec 3992.6 microasec Nutation Dx wrt apriori model 1982.03.25-06:02:16.296 -2.206 mas 1557.7 microasec 1584.3 microasec Nutation DPSI wrt Wahr 1980 model 1982.03.25-06:02:16.296 1.511 mas 3925.5 microasec 3992.6 microasec 201. Nutation DEPS wrt apriori model 1982.03.25-06:02:16.296 -0.810 mas 981.2 microasec 997.9 microasec Nutation Dy wrt apriori model 1982.03.25-06:02:16.296 -0.819 mas 987.4 microasec 1004.3 microasec Nutation DEPS wrt Wahr 1980 model 1982.03.25-06:02:16.296 -0.788 mas 981.2 microasec 997.9 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1299 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.03.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928067.89 15.72 3134928067.89 15.72 132.94 8.19 291.36 76.86 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:34 Correlator type: Unknown Experiment code: pol052 Mark-3 db_name: $82MAR29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820329_a Ver 2 pol052 Matrix Condition Number = 4.814661198321605E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.0 4.7 833.9 1.8 66.7 40.5 WESTFORD MET 6.4 2.2 1019.1 1.0 17.4 1.9 Run 26091-1736 233 Observation Pairs Available Session started on: 2445058.084800 1982.03.29 14:02:06.720 UTC Nominal duration: 85570.560 sec 00 23:46:10.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 135 70.264 ps 0.87 1.0232 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 137 Number of potentially good observations with QC 5-9: 137 Number of used observations: 135 ( 98.54%) Number of suppressed observations: 2 ( 1.46%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 135 137 70.264 0.87 19820329_a pol052 1982.03.30-01:55:12.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 15 130.682 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 0212+735 J0217+7349 5 5 15 167.794 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 0234+285 J0237+2848 14 14 15 64.402 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 0552+398 J0555+3948 13 13 19 149.328 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 1637+574 J1638+5720 0 0 21 0.000 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 2134+00 J2136+0041 5 5 15 139.471 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 3C273B J1229+0203 13 13 15 38.465 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 3C345 J1642+3948 21 21 22 40.141 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 3C454.3 J2253+1608 12 14 15 33.152 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: 4C39.25 J0927+3902 0 0 15 0.000 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: NRAO150 J0359+5057 14 14 16 82.772 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: OJ287 J0854+2006 14 14 15 92.061 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: OQ208 J1407+2827 7 7 22 119.798 19820329_a pol052 1982.03.30-01:55:12.000 SRC_STAT: VR422201 J2202+4216 7 7 13 66.916 19820329_a pol052 1982.03.30-01:55:12.000 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.03.30-01:54:39 1. HRAS_085 7216 NOAM X Comp -1324211072.93 mm -55.931 mm 8.888 mm 8.991 mm 2. HRAS_085 7216 NOAM Y Comp -5332023094.01 mm -12.010 mm 37.990 mm 38.428 mm 3. HRAS_085 7216 NOAM Z Comp 3232118389.69 mm 82.690 mm 29.120 mm 29.456 mm HRAS_085 7216 U Comp 63.77 mm 63.767 mm 46.022 mm 39.884 mm HRAS_085 7216 E Comp -51.39 mm -51.387 mm 13.453 mm 11.658 mm HRAS_085 7216 N Comp 58.34 mm 58.338 mm 8.439 mm 7.314 mm 4. HRAS_085 AT 0 1982.03.29-14:01:34.536 93.490 ps 102.983 ps 104.171 ps HRAS_085 Atm 1982.03.30-02:02:06.720 Avg: -0.716 ps Rms: 41.953 ps Tot_Rms: 41.959 ps || Nat: 233 Dura: 85570.0 sec Tzd_avg: 6445.9 Tzd_rms: 19.6 Wzd_avg: 108.0 Wzd_rms: 32.8 ps Prs_avg: 83391. Pa Tem_avg: 14.0 C Stm_avg: -1.2 C Stm_rms: 1.6 K Spr_avg: -1. Spr_rms: 77. Pa 77. HRAS_085 NG 1982.03.29-14:00:34.536 0.000 mm 0.422 mm 0.427 mm 78. HRAS_085 EG 1982.03.29-14:00:34.536 -0.006 mm 0.422 mm 0.427 mm 79. HRAS_085 NG 1982.03.29-22:00:34.536 0.015 mm 0.377 mm 0.381 mm 80. HRAS_085 EG 1982.03.29-22:00:34.536 0.005 mm 0.377 mm 0.381 mm 81. HRAS_085 NG 1982.03.30-06:00:34.536 0.008 mm 0.377 mm 0.381 mm 82. HRAS_085 EG 1982.03.30-06:00:34.536 -0.004 mm 0.377 mm 0.381 mm 83. HRAS_085 NG 1982.03.30-14:00:34.536 -0.003 mm 0.422 mm 0.427 mm 84. HRAS_085 EG 1982.03.30-14:00:34.536 -0.004 mm 0.422 mm 0.427 mm 85. WESTFORD 7209 NOAM X Comp 1492206598.93 mm 55.931 mm 8.888 mm 8.991 mm 86. WESTFORD 7209 NOAM Y Comp -4458130509.99 mm 12.010 mm 37.990 mm 38.428 mm 87. WESTFORD 7209 NOAM Z Comp 4296015464.31 mm -82.690 mm 29.120 mm 29.456 mm WESTFORD 7209 U Comp -51.30 mm -51.301 mm 46.334 mm 40.154 mm WESTFORD 7209 E Comp 56.85 mm 56.851 mm 13.683 mm 11.858 mm WESTFORD 7209 N Comp -65.16 mm -65.163 mm 6.015 mm 5.213 mm 88. WESTFORD CL 0 1982.03.29-14:01:34.536 -29118.375 ns 0.442 ns 0.448 ns 89. WESTFORD CL 1 1982.03.29-14:01:34.536 292.482 D-14 5.765 D-14 5.831 D-14 90. WESTFORD CL 2 1982.03.29-14:01:34.536 10.728 D-14/day 29.641 D-14/day 29.982 D-14/day 91. WESTFORD BR 0 1982.03.29-18:23:55.632 0.931 ns 0.170 ns 0.172 ns 92. WESTFORD BR 1 1982.03.29-18:23:55.632 -337.956 D-14 6.698 D-14 6.775 D-14 93. WESTFORD BR 2 1982.03.29-18:23:55.632 -23.670 D-14/day 29.780 D-14/day 30.123 D-14/day 118. WESTFORD AT 0 1982.03.29-14:01:34.536 -37.349 ps 102.459 ps 103.640 ps WESTFORD Atm 1982.03.30-02:02:06.720 Avg: -24.244 ps Rms: 11.990 ps Tot_Rms: 27.047 ps || Nat: 233 Dura: 85570.0 sec Tzd_avg: 7851.7 Tzd_rms: 12.6 Wzd_avg: 149.8 Wzd_rms: 13.0 ps Prs_avg: 101909. Pa Tem_avg: 6.3 C Stm_avg: 3.4 C Stm_rms: 1.8 K Spr_avg: 408. Spr_rms: 63. Pa 191. WESTFORD NG 1982.03.29-14:00:34.536 0.002 mm 0.422 mm 0.427 mm 192. WESTFORD EG 1982.03.29-14:00:34.536 -0.006 mm 0.422 mm 0.427 mm 193. WESTFORD NG 1982.03.29-22:00:34.536 -0.010 mm 0.377 mm 0.381 mm 194. WESTFORD EG 1982.03.29-22:00:34.536 -0.022 mm 0.377 mm 0.381 mm 195. WESTFORD NG 1982.03.30-06:00:34.536 -0.002 mm 0.377 mm 0.381 mm 196. WESTFORD EG 1982.03.30-06:00:34.536 0.003 mm 0.377 mm 0.381 mm 197. WESTFORD NG 1982.03.30-14:00:34.536 0.006 mm 0.422 mm 0.427 mm 198. WESTFORD EG 1982.03.30-14:00:34.536 0.012 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.23 ps/h NRMS 0.26 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 10.21 ps/h NRMS 0.20 share 0.94 count 73 Overall RMS 11.81 ps/h NRMS 0.24 share 0.93 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. WESTFORD Input 5.00 D-14 RMS 2.49 D-14 NRMS 0.50 share 0.39 count 25 Overall RMS 2.49 D-14 NRMS 0.50 share 0.39 count 25 199. UT1-TAI 1, 1982.03.30-01:55:00.000 -2.6389 ms/d -67.18 micros/d 287.24 micros/d 290.56 micros/d EOP epoch (TDT) MJD: 45058.080234 NUT epoch (TDT) MJD: 45058.065593 200. Nutation DPSI wrt apriori model 1982.03.30-01:54:39.816 1.239 mas 2992.2 microasec 3026.7 microasec Nutation Dx wrt apriori model 1982.03.30-01:54:39.816 0.483 mas 1185.1 microasec 1198.8 microasec Nutation DPSI wrt Wahr 1980 model 1982.03.30-01:54:39.816 7.149 mas 2992.2 microasec 3026.7 microasec 201. Nutation DEPS wrt apriori model 1982.03.30-01:54:39.816 2.523 mas 1319.3 microasec 1334.5 microasec Nutation Dy wrt apriori model 1982.03.30-01:54:39.816 2.525 mas 1324.0 microasec 1339.3 microasec Nutation DEPS wrt Wahr 1980 model 1982.03.30-01:54:39.816 1.814 mas 1319.3 microasec 1334.5 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1432 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.03.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928027.27 17.78 3134928027.27 17.78 154.45 10.33 118.22 95.17 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:37 Correlator type: Unknown Experiment code: pol053 Mark-3 db_name: $82APR07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820407_a Ver 2 pol053 Matrix Condition Number = 9.494526444989914E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.4 4.2 834.1 2.0 15.1 2.8 WESTFORD MET -6.2 1.6 991.9 2.1 74.0 34.7 Run 26091-1736 229 Observation Pairs Available Session started on: 2445067.105600 1982.04.07 14:32:03.840 UTC Nominal duration: 87134.400 sec 01 00:12:14.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 139 95.930 ps 0.88 1.0212 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 149 Number of potentially good observations with QC 5-9: 149 Number of used observations: 139 ( 93.29%) Number of suppressed observations: 10 ( 6.71%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 139 149 95.930 0.88 19820407_a pol053 1982.04.08-02:38:11.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 8 15 127.026 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 0212+735 J0217+7349 9 10 14 109.951 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 0234+285 J0237+2848 11 13 14 99.224 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 0552+398 J0555+3948 14 15 18 97.767 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 1637+574 J1638+5720 0 0 20 0.000 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 2134+00 J2136+0041 5 6 15 152.411 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 3C273B J1229+0203 15 15 17 79.851 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 3C345 J1642+3948 17 17 22 67.567 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 3C454.3 J2253+1608 8 9 13 124.370 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: 4C39.25 J0927+3902 6 6 16 88.414 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: NRAO150 J0359+5057 13 14 14 88.903 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: OJ287 J0854+2006 12 12 15 88.804 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: OQ208 J1407+2827 17 17 22 114.320 19820407_a pol053 1982.04.08-02:38:11.040 SRC_STAT: VR422201 J2202+4216 7 7 14 104.018 19820407_a pol053 1982.04.08-02:38:11.040 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.04.08-02:37:38 1. HRAS_085 7216 NOAM X Comp -1324211086.31 mm -69.309 mm 10.249 mm 10.357 mm 2. HRAS_085 7216 NOAM Y Comp -5332023215.96 mm -133.957 mm 38.087 mm 38.489 mm 3. HRAS_085 7216 NOAM Z Comp 3232118432.57 mm 125.566 mm 27.780 mm 28.073 mm HRAS_085 7216 U Comp 190.22 mm 190.222 mm 46.309 mm 40.821 mm HRAS_085 7216 E Comp -34.98 mm -34.978 mm 10.916 mm 9.623 mm HRAS_085 7216 N Comp 33.27 mm 33.275 mm 7.982 mm 7.036 mm 4. HRAS_085 CL 0 1982.04.07-14:31:31.656 27275.123 ns 0.531 ns 0.536 ns 5. HRAS_085 CL 1 1982.04.07-14:31:31.656 92.768 D-14 6.849 D-14 6.921 D-14 6. HRAS_085 CL 2 1982.04.07-14:31:31.656 -459.290 D-14/day 42.464 D-14/day 42.912 D-14/day 7. HRAS_085 BR 0 1982.04.07-18:58:55.632 -24.139 ns 0.422 ns 0.426 ns 8. HRAS_085 BR 1 1982.04.07-18:58:55.632 -290.920 D-14 10.799 D-14 10.913 D-14 9. HRAS_085 BR 2 1982.04.07-18:58:55.632 457.938 D-14/day 42.243 D-14/day 42.689 D-14/day 35. HRAS_085 AT 0 1982.04.07-14:31:31.656 -122.913 ps 139.770 ps 141.244 ps HRAS_085 Atm 1982.04.08-03:02:03.840 Avg: -268.590 ps Rms: 89.024 ps Tot_Rms: 282.959 ps || Nat: 229 Dura: 87130.0 sec Tzd_avg: 6630.0 Tzd_rms: 30.1 Wzd_avg: 300.5 Wzd_rms: 40.1 ps Prs_avg: 83420. Pa Tem_avg: 17.3 C Stm_avg: -2.4 C Stm_rms: 2.2 K Spr_avg: 55. Spr_rms: 82. Pa 111. HRAS_085 NG 1982.04.07-14:30:31.656 -0.030 mm 0.422 mm 0.427 mm 112. HRAS_085 EG 1982.04.07-14:30:31.656 -0.033 mm 0.422 mm 0.427 mm 113. HRAS_085 NG 1982.04.07-22:30:31.656 -0.011 mm 0.377 mm 0.381 mm 114. HRAS_085 EG 1982.04.07-22:30:31.656 0.001 mm 0.377 mm 0.381 mm 115. HRAS_085 NG 1982.04.08-06:30:31.656 0.011 mm 0.377 mm 0.381 mm 116. HRAS_085 EG 1982.04.08-06:30:31.656 0.029 mm 0.377 mm 0.381 mm 117. HRAS_085 NG 1982.04.08-14:30:31.656 0.010 mm 0.422 mm 0.427 mm 118. HRAS_085 EG 1982.04.08-14:30:31.656 0.027 mm 0.422 mm 0.427 mm 119. WESTFORD 7209 NOAM X Comp 1492206612.31 mm 69.309 mm 10.249 mm 10.357 mm 120. WESTFORD 7209 NOAM Y Comp -4458130388.04 mm 133.957 mm 38.087 mm 38.489 mm 121. WESTFORD 7209 NOAM Z Comp 4296015421.43 mm -125.566 mm 27.780 mm 28.073 mm WESTFORD 7209 U Comp -162.31 mm -162.310 mm 44.326 mm 39.073 mm WESTFORD 7209 E Comp 108.24 mm 108.244 mm 17.973 mm 15.843 mm WESTFORD 7209 N Comp -21.30 mm -21.299 mm 6.289 mm 5.544 mm 122. WESTFORD AT 0 1982.04.07-14:31:31.656 79.209 ps 87.631 ps 88.556 ps WESTFORD Atm 1982.04.08-03:02:03.840 Avg: -0.294 ps Rms: 28.973 ps Tot_Rms: 28.975 ps || Nat: 229 Dura: 87130.0 sec Tzd_avg: 7616.3 Tzd_rms: 12.7 Wzd_avg: 122.7 Wzd_rms: 4.9 ps Prs_avg: 99195. Pa Tem_avg: -6.1 C Stm_avg: 1.4 C Stm_rms: 0.8 K Spr_avg: 447. Spr_rms: 36. Pa 198. WESTFORD NG 1982.04.07-14:30:31.656 0.003 mm 0.422 mm 0.427 mm 199. WESTFORD EG 1982.04.07-14:30:31.656 0.037 mm 0.422 mm 0.427 mm 200. WESTFORD NG 1982.04.07-22:30:31.656 -0.000 mm 0.377 mm 0.381 mm 201. WESTFORD EG 1982.04.07-22:30:31.656 0.001 mm 0.377 mm 0.381 mm 202. WESTFORD NG 1982.04.08-06:30:31.656 -0.004 mm 0.377 mm 0.381 mm 203. WESTFORD EG 1982.04.08-06:30:31.656 -0.010 mm 0.377 mm 0.381 mm 204. WESTFORD NG 1982.04.08-14:30:31.656 -0.005 mm 0.422 mm 0.427 mm 205. WESTFORD EG 1982.04.08-14:30:31.656 -0.014 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.87 ps/h NRMS 0.30 share 0.95 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.33 ps/h NRMS 0.25 share 0.94 count 76 Overall RMS 13.66 ps/h NRMS 0.27 share 0.94 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.17 D-14 NRMS 0.83 share 0.47 count 26 Overall RMS 4.17 D-14 NRMS 0.83 share 0.47 count 26 206. UT1-TAI 1, 1982.04.08-02:38:00.000 -2.8713 ms/d 92.86 micros/d 297.82 micros/d 300.96 micros/d EOP epoch (TDT) MJD: 45067.110095 NUT epoch (TDT) MJD: 45067.130730 207. Nutation DPSI wrt apriori model 1982.04.08-02:37:38.856 1.311 mas 3867.7 microasec 3908.5 microasec Nutation Dx wrt apriori model 1982.04.08-02:37:38.856 0.528 mas 1533.5 microasec 1549.7 microasec Nutation DPSI wrt Wahr 1980 model 1982.04.08-02:37:38.856 8.535 mas 3867.7 microasec 3908.5 microasec 208. Nutation DEPS wrt apriori model 1982.04.08-02:37:38.856 -1.673 mas 1294.1 microasec 1307.8 microasec Nutation Dy wrt apriori model 1982.04.08-02:37:38.856 -1.670 mas 1300.2 microasec 1313.9 microasec Nutation DEPS wrt Wahr 1980 model 1982.04.08-02:37:38.856 -2.497 mas 1294.1 microasec 1307.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1326 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.04.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928090.19 22.28 3134928090.19 22.28 95.16 10.00 363.33 93.34 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:40 Correlator type: Unknown Experiment code: pol054 Mark-3 db_name: $82APR13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820413_a Ver 2 pol054 Matrix Condition Number = 3.236645327368838E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.3 4.9 837.8 1.6 6.7 0.7 WESTFORD MET 9.2 1.9 997.7 4.6 86.1 51.9 Run 26091-1736 227 Observation Pairs Available Session started on: 2445073.441000 1982.04.13 22:35:02.400 UTC Nominal duration: 87782.400 sec 01 00:23:02.400 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 152 49.350 ps 0.86 0.9962 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 161 Number of potentially good observations with QC 5-9: 161 Number of used observations: 152 ( 94.41%) Number of suppressed observations: 9 ( 5.59%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 152 161 49.350 0.86 19820413_a pol054 1982.04.14-10:46:33.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 11 15 102.729 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 0212+735 J0217+7349 13 13 17 81.649 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 0234+285 J0237+2848 13 13 15 70.427 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 0552+398 J0555+3948 15 15 20 111.736 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 1637+574 J1638+5720 4 4 15 135.534 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 2134+00 J2136+0041 5 5 14 128.307 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 3C273B J1229+0203 15 15 17 23.434 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 3C345 J1642+3948 16 16 18 26.633 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 3C454.3 J2253+1608 9 12 14 25.061 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: 4C39.25 J0927+3902 4 4 17 90.818 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: NRAO150 J0359+5057 15 15 17 102.658 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: OJ287 J0854+2006 15 15 16 76.882 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: OQ208 J1407+2827 16 16 20 89.695 19820413_a pol054 1982.04.14-10:46:33.600 SRC_STAT: VR422201 J2202+4216 7 7 12 28.269 19820413_a pol054 1982.04.14-10:46:33.600 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.04.14-10:46:01 1. HRAS_085 7216 NOAM X Comp -1324211079.46 mm -62.457 mm 7.448 mm 7.434 mm 2. HRAS_085 7216 NOAM Y Comp -5332023121.60 mm -39.599 mm 29.739 mm 29.682 mm 3. HRAS_085 7216 NOAM Z Comp 3232118424.97 mm 117.975 mm 22.530 mm 22.487 mm HRAS_085 7216 U Comp 106.14 mm 106.139 mm 36.212 mm 31.082 mm HRAS_085 7216 E Comp -51.07 mm -51.071 mm 9.649 mm 8.282 mm HRAS_085 7216 N Comp 74.25 mm 74.252 mm 6.566 mm 5.636 mm 4. HRAS_085 CL 0 1982.04.13-22:34:30.216 26332.250 ns 0.362 ns 0.361 ns 5. HRAS_085 CL 1 1982.04.13-22:34:30.216 125.741 D-14 2.135 D-14 2.131 D-14 6. HRAS_085 CL 2 1982.04.13-22:34:30.216 -0.380 D-14/day 1.815 D-14/day 1.812 D-14/day 32. HRAS_085 AT 0 1982.04.13-22:34:30.216 -74.916 ps 83.896 ps 83.735 ps HRAS_085 Atm 1982.04.14-11:05:02.400 Avg: -80.682 ps Rms: 9.797 ps Tot_Rms: 81.274 ps || Nat: 227 Dura: 87780.0 sec Tzd_avg: 6637.7 Tzd_rms: 16.9 Wzd_avg: 281.7 Wzd_rms: 10.3 ps Prs_avg: 83778. Pa Tem_avg: 18.3 C Stm_avg: -5.2 C Stm_rms: 3.7 K Spr_avg: 72. Spr_rms: 57. Pa 108. HRAS_085 NG 1982.04.13-22:33:30.216 -0.009 mm 0.422 mm 0.422 mm 109. HRAS_085 EG 1982.04.13-22:33:30.216 -0.010 mm 0.422 mm 0.421 mm 110. HRAS_085 NG 1982.04.14-06:33:30.216 -0.008 mm 0.377 mm 0.376 mm 111. HRAS_085 EG 1982.04.14-06:33:30.216 -0.021 mm 0.377 mm 0.376 mm 112. HRAS_085 NG 1982.04.14-14:33:30.216 0.007 mm 0.377 mm 0.376 mm 113. HRAS_085 EG 1982.04.14-14:33:30.216 -0.014 mm 0.377 mm 0.376 mm 114. HRAS_085 NG 1982.04.14-22:33:30.216 0.004 mm 0.422 mm 0.422 mm 115. HRAS_085 EG 1982.04.14-22:33:30.216 -0.009 mm 0.422 mm 0.421 mm 116. WESTFORD 7209 NOAM X Comp 1492206605.46 mm 62.457 mm 7.448 mm 7.434 mm 117. WESTFORD 7209 NOAM Y Comp -4458130482.40 mm 39.599 mm 29.739 mm 29.682 mm 118. WESTFORD 7209 NOAM Z Comp 4296015429.03 mm -117.975 mm 22.530 mm 22.487 mm WESTFORD 7209 U Comp -92.92 mm -92.920 mm 35.718 mm 30.658 mm WESTFORD 7209 E Comp 71.80 mm 71.796 mm 12.351 mm 10.601 mm WESTFORD 7209 N Comp -74.82 mm -74.821 mm 4.383 mm 3.762 mm 119. WESTFORD AT 0 1982.04.13-22:34:30.216 35.420 ps 90.270 ps 90.097 ps WESTFORD Atm 1982.04.14-11:05:02.400 Avg: 20.235 ps Rms: 40.381 ps Tot_Rms: 45.167 ps || Nat: 227 Dura: 87780.0 sec Tzd_avg: 7724.9 Tzd_rms: 101.9 Wzd_avg: 186.1 Wzd_rms: 132.2 ps Prs_avg: 99781. Pa Tem_avg: 9.1 C Stm_avg: 1.7 C Stm_rms: 1.3 K Spr_avg: 410. Spr_rms: 59. Pa 195. WESTFORD NG 1982.04.13-22:33:30.216 -0.001 mm 0.422 mm 0.422 mm 196. WESTFORD EG 1982.04.13-22:33:30.216 0.005 mm 0.422 mm 0.421 mm 197. WESTFORD NG 1982.04.14-06:33:30.216 -0.010 mm 0.377 mm 0.376 mm 198. WESTFORD EG 1982.04.14-06:33:30.216 0.017 mm 0.377 mm 0.376 mm 199. WESTFORD NG 1982.04.14-14:33:30.216 -0.016 mm 0.377 mm 0.376 mm 200. WESTFORD EG 1982.04.14-14:33:30.216 -0.002 mm 0.377 mm 0.376 mm 201. WESTFORD NG 1982.04.14-22:33:30.216 -0.014 mm 0.422 mm 0.422 mm 202. WESTFORD EG 1982.04.14-22:33:30.216 -0.010 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.37 ps/h NRMS 0.21 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 16.24 ps/h NRMS 0.32 share 0.91 count 76 Overall RMS 13.62 ps/h NRMS 0.27 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 5.94 D-14 NRMS 1.19 share 0.28 count 26 Overall RMS 5.94 D-14 NRMS 1.19 share 0.28 count 26 203. UT1-TAI 1, 1982.04.14-10:46:00.000 -2.4046 ms/d -329.30 micros/d 208.24 micros/d 207.84 micros/d EOP epoch (TDT) MJD: 45073.448984 NUT epoch (TDT) MJD: 45073.411036 204. Nutation DPSI wrt apriori model 1982.04.14-10:46:01.416 4.407 mas 2281.6 microasec 2277.2 microasec Nutation Dx wrt apriori model 1982.04.14-10:46:01.416 1.765 mas 903.7 microasec 901.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.04.14-10:46:01.416 11.020 mas 2281.6 microasec 2277.2 microasec 205. Nutation DEPS wrt apriori model 1982.04.14-10:46:01.416 -2.831 mas 1004.1 microasec 1002.2 microasec Nutation Dy wrt apriori model 1982.04.14-10:46:01.416 -2.824 mas 1007.7 microasec 1005.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.04.14-10:46:01.416 -3.761 mas 1004.1 microasec 1002.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0977 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.04.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928030.43 15.94 3134928030.43 15.94 180.74 6.79 204.79 74.09 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:43 Correlator type: Unknown Experiment code: pol055 Mark-3 db_name: $82APR19XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820419_a Ver 2 pol055 Matrix Condition Number = 8.828096127486603E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.5 7.3 838.2 2.6 5.7 1.3 ONSALA60 MET 5.2 2.6 1020.1 2.1 85.0 2.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 13.8 3.9 1010.3 1.0 18.2 7.4 Run 26091-1736 456 Observation Pairs Available Session started on: 2445079.243700 1982.04.19 17:50:55.680 UTC Nominal duration: 88680.960 sec 01 00:38:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 102 49.621 ps 0.65 0.7948 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 107 Number of potentially good observations with QC 5-9: 107 Number of used observations: 102 ( 95.33%) Number of suppressed observations: 5 ( 4.67%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 21 21 104.990 0.75 19820419_a pol055 1982.04.20-06:09:56.1 BAS_STAT HRAS_085 WESTFORD 38 43 44.827 0.72 19820419_a pol055 1982.04.20-06:09:56.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 43 43 41.598 0.51 19820419_a pol055 1982.04.20-06:09:56.1 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19820419_a pol055 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820419_a pol055 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 5 25 59.498 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 0212+735 J0217+7349 16 17 52 92.993 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 0234+285 J0237+2848 9 9 30 57.721 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 0552+398 J0555+3948 13 14 40 73.979 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 1637+574 J1638+5720 1 2 48 92.559 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 2134+00 J2136+0041 1 1 18 78.636 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 3C273B J1229+0203 10 10 17 34.009 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 3C345 J1642+3948 10 11 26 35.446 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 3C454.3 J2253+1608 9 9 25 24.686 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 3C84 J0319+4130 0 0 1 0.000 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: 4C39.25 J0927+3902 5 5 39 51.100 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: NRAO150 J0359+5057 8 8 44 65.972 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: OJ287 J0854+2006 11 12 25 60.478 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: OQ208 J1407+2827 3 3 26 89.351 19820419_a pol055 1982.04.20-06:09:56.160 SRC_STAT: VR422201 J2202+4216 1 1 40 5.884 19820419_a pol055 1982.04.20-06:09:56.160 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.04.20-06:09:23 1. HRAS_085 7216 NOAM X Comp -1324211079.26 mm -62.264 mm 34.439 mm 30.703 mm 2. HRAS_085 7216 NOAM Y Comp -5332022981.55 mm 100.455 mm 115.499 mm 102.969 mm 3. HRAS_085 7216 NOAM Z Comp 3232118440.96 mm 133.962 mm 75.637 mm 67.432 mm HRAS_085 7216 U Comp -2.71 mm -2.706 mm 139.173 mm 90.048 mm HRAS_085 7216 E Comp -84.64 mm -84.641 mm 18.051 mm 11.679 mm HRAS_085 7216 N Comp 157.30 mm 157.297 mm 23.497 mm 15.203 mm 4. HRAS_085 CL 0 1982.04.19-17:50:23.496 26982.804 ns 1.034 ns 0.922 ns 5. HRAS_085 CL 1 1982.04.19-17:50:23.496 183.220 D-14 2.246 D-14 2.003 D-14 6. HRAS_085 CL 2 1982.04.19-17:50:23.496 7.700 D-14/day 2.090 D-14/day 1.863 D-14/day 32. HRAS_085 AT 0 1982.04.19-17:50:23.496 -52.851 ps 412.128 ps 367.418 ps HRAS_085 Atm 1982.04.20-06:20:55.680 Avg: -38.078 ps Rms: 10.706 ps Tot_Rms: 39.555 ps || Nat: 113 Dura: 88680.0 sec Tzd_avg: 6512.8 Tzd_rms: 48.1 Wzd_avg: 149.5 Wzd_rms: 34.6 ps Prs_avg: 83846. Pa Tem_avg: 12.9 C Stm_avg: -6.3 C Stm_rms: 4.1 K Spr_avg: 103. Spr_rms: 87. Pa 108. HRAS_085 NG 1982.04.19-17:49:23.496 -0.004 mm 0.422 mm 0.377 mm 109. HRAS_085 EG 1982.04.19-17:49:23.496 0.010 mm 0.422 mm 0.377 mm 110. HRAS_085 NG 1982.04.20-01:49:23.496 0.006 mm 0.377 mm 0.336 mm 111. HRAS_085 EG 1982.04.20-01:49:23.496 0.003 mm 0.377 mm 0.336 mm 112. HRAS_085 NG 1982.04.20-09:49:23.496 0.001 mm 0.377 mm 0.336 mm 113. HRAS_085 EG 1982.04.20-09:49:23.496 0.005 mm 0.377 mm 0.336 mm 114. HRAS_085 NG 1982.04.20-17:49:23.496 0.001 mm 0.422 mm 0.377 mm 115. HRAS_085 EG 1982.04.20-17:49:23.496 -0.000 mm 0.422 mm 0.377 mm 116. ONSALA60 7213 EURA X Comp 3370606012.89 mm 23.894 mm 34.111 mm 30.411 mm 117. ONSALA60 7213 EURA Y Comp 711917343.13 mm -185.874 mm 66.729 mm 59.490 mm 118. ONSALA60 7213 EURA Z Comp 5349830636.45 mm -129.554 mm 66.567 mm 59.345 mm ONSALA60 7213 U Comp -117.24 mm -117.238 mm 61.535 mm 39.814 mm ONSALA60 7213 E Comp -186.80 mm -186.799 mm 64.327 mm 41.621 mm ONSALA60 7213 N Comp -57.14 mm -57.143 mm 46.076 mm 29.813 mm 119. ONSALA60 CL 0 1982.04.19-17:50:23.496 13176.804 ns 0.395 ns 0.352 ns 120. ONSALA60 CL 1 1982.04.19-17:50:23.496 149.599 D-14 2.346 D-14 2.091 D-14 121. ONSALA60 CL 2 1982.04.19-17:50:23.496 3.052 D-14/day 2.097 D-14/day 1.869 D-14/day 147. ONSALA60 AT 0 1982.04.19-17:50:23.496 61.873 ps 91.643 ps 81.701 ps ONSALA60 Atm 1982.04.20-06:20:55.680 Avg: 28.316 ps Rms: 22.014 ps Tot_Rms: 35.867 ps || Nat: 118 Dura: 84720.0 sec Tzd_avg: 7950.3 Tzd_rms: 12.2 Wzd_avg: 227.2 Wzd_rms: 14.2 ps Prs_avg: 102016. Pa Tem_avg: 5.3 C Stm_avg: -1.3 C Stm_rms: 2.2 K Spr_avg: 64. Spr_rms: 160. Pa 223. ONSALA60 NG 1982.04.19-17:49:23.496 -0.001 mm 0.422 mm 0.377 mm 224. ONSALA60 EG 1982.04.19-17:49:23.496 0.001 mm 0.422 mm 0.377 mm 225. ONSALA60 NG 1982.04.20-01:49:23.496 0.002 mm 0.377 mm 0.336 mm 226. ONSALA60 EG 1982.04.20-01:49:23.496 0.000 mm 0.377 mm 0.336 mm 227. ONSALA60 NG 1982.04.20-09:49:23.496 0.001 mm 0.377 mm 0.336 mm 228. ONSALA60 EG 1982.04.20-09:49:23.496 0.004 mm 0.377 mm 0.336 mm 229. ONSALA60 NG 1982.04.20-17:49:23.496 -0.001 mm 0.422 mm 0.377 mm 230. ONSALA60 EG 1982.04.20-17:49:23.496 -0.000 mm 0.422 mm 0.377 mm 231. WESTFORD 7209 NOAM X Comp 1492206581.37 mm 38.370 mm 25.061 mm 22.343 mm 232. WESTFORD 7209 NOAM Y Comp -4458130436.58 mm 85.419 mm 55.879 mm 49.817 mm 233. WESTFORD 7209 NOAM Z Comp 4296015542.59 mm -4.408 mm 41.225 mm 36.753 mm WESTFORD 7209 U Comp -53.63 mm -53.635 mm 62.274 mm 40.293 mm WESTFORD 7209 E Comp 63.50 mm 63.498 mm 36.394 mm 23.548 mm WESTFORD 7209 N Comp 43.35 mm 43.352 mm 15.730 mm 10.178 mm 234. WESTFORD AT 0 1982.04.19-17:50:23.496 -68.446 ps 55.773 ps 49.722 ps WESTFORD Atm 1982.04.20-06:20:55.680 Avg: -48.363 ps Rms: 16.168 ps Tot_Rms: 50.994 ps || Nat: 168 Dura: 88680.0 sec Tzd_avg: 7860.4 Tzd_rms: 25.1 Wzd_avg: 227.8 Wzd_rms: 24.0 ps Prs_avg: 101030. Pa Tem_avg: 13.8 C Stm_avg: 3.0 C Stm_rms: 1.5 K Spr_avg: 408. Spr_rms: 65. Pa 310. WESTFORD NG 1982.04.19-17:49:23.496 0.002 mm 0.422 mm 0.377 mm 311. WESTFORD EG 1982.04.19-17:49:23.496 0.007 mm 0.422 mm 0.376 mm 312. WESTFORD NG 1982.04.20-01:49:23.496 -0.002 mm 0.377 mm 0.336 mm 313. WESTFORD EG 1982.04.20-01:49:23.496 0.008 mm 0.377 mm 0.336 mm 314. WESTFORD NG 1982.04.20-09:49:23.496 0.002 mm 0.377 mm 0.336 mm 315. WESTFORD EG 1982.04.20-09:49:23.496 -0.002 mm 0.377 mm 0.336 mm 316. WESTFORD NG 1982.04.20-17:49:23.496 0.006 mm 0.422 mm 0.377 mm 317. WESTFORD EG 1982.04.20-17:49:23.496 0.001 mm 0.422 mm 0.377 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 6.48 ps/h NRMS 0.13 share 0.97 count 76 2. ONSALA60 Input 50.00 ps/h RMS 8.25 ps/h NRMS 0.17 share 0.94 count 76 4. WESTFORD Input 50.00 ps/h RMS 11.03 ps/h NRMS 0.22 share 0.93 count 76 Overall RMS 8.79 ps/h NRMS 0.18 share 0.95 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.01 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.55 D-14 NRMS 0.71 share 0.54 count 26 2. ONSALA60 Input 5.00 D-14 RMS 2.17 D-14 NRMS 0.43 share 0.57 count 26 Overall RMS 2.94 D-14 NRMS 0.59 share 0.56 count 52 318. UT1-TAI 1, 1982.04.20-06:09:00.000 -2.4443 ms/d 260.01 micros/d 169.35 micros/d 150.98 micros/d EOP epoch (TDT) MJD: 45079.256623 NUT epoch (TDT) MJD: 45079.162434 319. Nutation DPSI wrt apriori model 1982.04.20-06:09:23.976 -1.084 mas 3594.6 microasec 3204.6 microasec Nutation Dx wrt apriori model 1982.04.20-06:09:23.976 -0.428 mas 1425.9 microasec 1271.2 microasec Nutation DPSI wrt Wahr 1980 model 1982.04.20-06:09:23.976 6.763 mas 3594.6 microasec 3204.6 microasec 320. Nutation DEPS wrt apriori model 1982.04.20-06:09:23.976 -0.785 mas 1038.3 microasec 925.7 microasec Nutation Dy wrt apriori model 1982.04.20-06:09:23.976 -0.787 mas 1044.0 microasec 930.7 microasec Nutation DEPS wrt Wahr 1980 model 1982.04.20-06:09:23.976 -1.986 mas 1038.3 microasec 925.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0778 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.04.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732152.64136.29 7940732152.64136.29 310.85 23.83 76.97 189.73 HRAS_085 7216 to WESTFORD 7209 3134928015.46 57.53 3134928015.46 57.53 151.39 14.65 70.98 194.48 ONSALA60 7213 to WESTFORD 7209 5600741443.85 33.04 5600741443.85 33.04 105.77 16.97 -23.15 96.79 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:45 Correlator type: Unknown Experiment code: pol056 Mark-3 db_name: $82APR26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820426_a Ver 2 pol056 Matrix Condition Number = 3.643700426701113E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.8 5.8 838.9 0.6 6.2 7.8 WESTFORD MET 15.1 2.2 1006.2 3.2 44.1 4.3 Run 26091-1736 243 Observation Pairs Available Session started on: 2445086.250900 1982.04.26 18:01:17.760 UTC Nominal duration: 88499.520 sec 01 00:34:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 152 59.853 ps 0.86 0.9901 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 152 Number of potentially good observations with QC 5-9: 152 Number of used observations: 152 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 152 152 59.853 0.86 19820426_a pol056 1982.04.27-06:18:47.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 16 85.160 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 0212+735 J0217+7349 4 4 17 123.158 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 0234+285 J0237+2848 12 12 16 60.222 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 0552+398 J0555+3948 13 13 20 142.268 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 1637+574 J1638+5720 3 3 19 75.434 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 2134+00 J2136+0041 4 4 15 170.061 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 3C273B J1229+0203 16 16 17 38.274 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 3C345 J1642+3948 21 21 22 46.562 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 3C454.3 J2253+1608 15 15 16 34.478 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: 4C39.25 J0927+3902 4 4 16 104.800 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: NRAO150 J0359+5057 16 16 18 69.769 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: OJ287 J0854+2006 12 12 15 129.246 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: OQ208 J1407+2827 12 12 22 120.830 19820426_a pol056 1982.04.27-06:18:47.520 SRC_STAT: VR422201 J2202+4216 7 7 14 53.810 19820426_a pol056 1982.04.27-06:18:47.520 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.04.27-06:18:15 1. HRAS_085 7216 NOAM X Comp -1324211063.02 mm -46.015 mm 6.994 mm 6.959 mm 2. HRAS_085 7216 NOAM Y Comp -5332023157.64 mm -75.642 mm 31.435 mm 31.279 mm 3. HRAS_085 7216 NOAM Z Comp 3232118411.26 mm 104.260 mm 24.079 mm 23.959 mm HRAS_085 7216 U Comp 125.84 mm 125.837 mm 38.119 mm 32.722 mm HRAS_085 7216 E Comp -26.43 mm -26.427 mm 10.746 mm 9.225 mm HRAS_085 7216 N Comp 46.64 mm 46.645 mm 6.953 mm 5.969 mm 4. HRAS_085 CL 0 1982.04.26-18:00:45.576 27623.520 ns 0.410 ns 0.408 ns 5. HRAS_085 CL 1 1982.04.26-18:00:45.576 87.886 D-14 2.134 D-14 2.123 D-14 6. HRAS_085 CL 2 1982.04.26-18:00:45.576 59.277 D-14/day 1.784 D-14/day 1.775 D-14/day 32. HRAS_085 AT 0 1982.04.26-18:00:45.576 -96.385 ps 102.115 ps 101.608 ps HRAS_085 Atm 1982.04.27-06:31:17.760 Avg: -162.125 ps Rms: 37.381 ps Tot_Rms: 166.378 ps || Nat: 243 Dura: 88500.0 sec Tzd_avg: 6642.1 Tzd_rms: 84.0 Wzd_avg: 277.5 Wzd_rms: 86.4 ps Prs_avg: 83892. Pa Tem_avg: 14.8 C Stm_avg: -4.8 C Stm_rms: 4.5 K Spr_avg: 75. Spr_rms: 34. Pa 108. HRAS_085 NG 1982.04.26-17:59:45.576 -0.014 mm 0.422 mm 0.420 mm 109. HRAS_085 EG 1982.04.26-17:59:45.576 -0.010 mm 0.422 mm 0.420 mm 110. HRAS_085 NG 1982.04.27-01:59:45.576 0.001 mm 0.377 mm 0.375 mm 111. HRAS_085 EG 1982.04.27-01:59:45.576 0.014 mm 0.377 mm 0.375 mm 112. HRAS_085 NG 1982.04.27-09:59:45.576 0.004 mm 0.377 mm 0.375 mm 113. HRAS_085 EG 1982.04.27-09:59:45.576 0.024 mm 0.377 mm 0.375 mm 114. HRAS_085 NG 1982.04.27-17:59:45.576 -0.003 mm 0.422 mm 0.420 mm 115. HRAS_085 EG 1982.04.27-17:59:45.576 -0.010 mm 0.422 mm 0.420 mm 116. WESTFORD 7209 NOAM X Comp 1492206589.02 mm 46.015 mm 6.994 mm 6.959 mm 117. WESTFORD 7209 NOAM Y Comp -4458130446.36 mm 75.642 mm 31.435 mm 31.279 mm 118. WESTFORD 7209 NOAM Z Comp 4296015442.74 mm -104.260 mm 24.079 mm 23.959 mm WESTFORD 7209 U Comp -112.63 mm -112.629 mm 38.269 mm 32.851 mm WESTFORD 7209 E Comp 67.65 mm 67.645 mm 11.317 mm 9.715 mm WESTFORD 7209 N Comp -38.05 mm -38.054 mm 4.923 mm 4.226 mm 119. WESTFORD AT 0 1982.04.26-18:00:45.576 126.342 ps 76.475 ps 76.095 ps WESTFORD Atm 1982.04.27-06:31:17.760 Avg: 105.269 ps Rms: 19.401 ps Tot_Rms: 107.041 ps || Nat: 243 Dura: 88500.0 sec Tzd_avg: 8201.5 Tzd_rms: 98.4 Wzd_avg: 611.0 Wzd_rms: 87.8 ps Prs_avg: 100619. Pa Tem_avg: 15.2 C Stm_avg: 1.4 C Stm_rms: 0.8 K Spr_avg: 380. Spr_rms: 47. Pa 195. WESTFORD NG 1982.04.26-17:59:45.576 0.001 mm 0.422 mm 0.420 mm 196. WESTFORD EG 1982.04.26-17:59:45.576 0.024 mm 0.422 mm 0.420 mm 197. WESTFORD NG 1982.04.27-01:59:45.576 0.010 mm 0.377 mm 0.375 mm 198. WESTFORD EG 1982.04.27-01:59:45.576 0.006 mm 0.377 mm 0.375 mm 199. WESTFORD NG 1982.04.27-09:59:45.576 0.011 mm 0.377 mm 0.375 mm 200. WESTFORD EG 1982.04.27-09:59:45.576 0.002 mm 0.377 mm 0.375 mm 201. WESTFORD NG 1982.04.27-17:59:45.576 -0.002 mm 0.422 mm 0.420 mm 202. WESTFORD EG 1982.04.27-17:59:45.576 0.012 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.20 ps/h NRMS 0.30 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 13.46 ps/h NRMS 0.27 share 0.92 count 76 Overall RMS 14.35 ps/h NRMS 0.29 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 6.73 D-14 NRMS 1.35 share 0.28 count 26 Overall RMS 6.73 D-14 NRMS 1.35 share 0.28 count 26 203. UT1-TAI 1, 1982.04.27-06:18:00.000 -2.9258 ms/d -285.59 micros/d 305.54 micros/d 304.03 micros/d EOP epoch (TDT) MJD: 45086.262873 NUT epoch (TDT) MJD: 45086.314547 204. Nutation DPSI wrt apriori model 1982.04.27-06:18:15.336 4.869 mas 3107.7 microasec 3092.3 microasec Nutation Dx wrt apriori model 1982.04.27-06:18:15.336 1.940 mas 1232.0 microasec 1225.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.04.27-06:18:15.336 11.191 mas 3107.7 microasec 3092.3 microasec 205. Nutation DEPS wrt apriori model 1982.04.27-06:18:15.336 -0.782 mas 1079.9 microasec 1074.6 microasec Nutation Dy wrt apriori model 1982.04.27-06:18:15.336 -0.775 mas 1084.8 microasec 1079.4 microasec Nutation DEPS wrt Wahr 1980 model 1982.04.27-06:18:15.336 -2.417 mas 1079.9 microasec 1074.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0903 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.04.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928030.29 14.21 3134928030.29 14.21 107.53 8.26 245.66 78.72 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:48 Correlator type: Unknown Experiment code: pol057 Mark-3 db_name: $82MAY03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820503_a Ver 3 pol057 Matrix Condition Number = 4.865362667371947E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 15.3 3.8 839.7 0.7 40.6 2.0 WESTFORD MET 13.3 2.0 1008.9 1.7 24.5 13.3 Run 26091-1736 224 Observation Pairs Available Session started on: 2445093.250900 1982.05.03 18:01:17.760 UTC Nominal duration: 89147.520 sec 01 00:45:47.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 162 74.048 ps 0.87 1.0260 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 165 Number of potentially good observations with QC 5-9: 165 Number of used observations: 162 ( 98.18%) Number of suppressed observations: 3 ( 1.82%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 162 165 74.048 0.87 19820503_a pol057 1982.05.04-06:24:11.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 13 13 73.019 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 0212+735 J0217+7349 9 9 14 157.702 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 0234+285 J0237+2848 13 13 14 107.694 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 0552+398 J0555+3948 18 18 20 95.475 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 1637+574 J1638+5720 1 2 20 185.478 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 2134+00 J2136+0041 9 9 12 130.493 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 3C273B J1229+0203 15 15 17 26.320 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 3C345 J1642+3948 21 21 21 45.728 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 3C454.3 J2253+1608 12 12 12 30.133 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: 4C39.25 J0927+3902 4 4 16 40.481 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: NRAO150 J0359+5057 13 14 16 101.033 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: OJ287 J0854+2006 13 13 15 75.799 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: OQ208 J1407+2827 16 16 22 114.414 19820503_a pol057 1982.05.04-06:24:11.520 SRC_STAT: VR422201 J2202+4216 6 6 12 90.182 19820503_a pol057 1982.05.04-06:24:11.520 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.05.04-06:23:39 1. HRAS_085 7216 NOAM X Comp -1324211053.72 mm -36.715 mm 6.047 mm 6.125 mm 2. HRAS_085 7216 NOAM Y Comp -5332023146.85 mm -64.854 mm 24.625 mm 24.943 mm 3. HRAS_085 7216 NOAM Z Comp 3232118347.08 mm 40.084 mm 18.502 mm 18.741 mm HRAS_085 7216 U Comp 82.20 mm 82.197 mm 30.212 mm 26.339 mm HRAS_085 7216 E Comp -20.00 mm -20.001 mm 6.486 mm 5.655 mm HRAS_085 7216 N Comp -2.10 mm -2.096 mm 5.518 mm 4.810 mm 4. HRAS_085 AT 0 1982.05.03-18:00:45.576 -63.113 ps 89.017 ps 90.167 ps HRAS_085 Atm 1982.05.04-06:31:17.760 Avg: -61.879 ps Rms: 8.074 ps Tot_Rms: 62.403 ps || Nat: 224 Dura: 89150.0 sec Tzd_avg: 6780.2 Tzd_rms: 32.9 Wzd_avg: 412.0 Wzd_rms: 37.0 ps Prs_avg: 83968. Pa Tem_avg: 15.2 C Stm_avg: -3.1 C Stm_rms: 2.5 K Spr_avg: 43. Spr_rms: 61. Pa 80. HRAS_085 NG 1982.05.03-17:59:45.576 -0.013 mm 0.422 mm 0.428 mm 81. HRAS_085 EG 1982.05.03-17:59:45.576 0.006 mm 0.422 mm 0.428 mm 82. HRAS_085 NG 1982.05.04-01:59:45.576 -0.008 mm 0.377 mm 0.382 mm 83. HRAS_085 EG 1982.05.04-01:59:45.576 0.009 mm 0.377 mm 0.382 mm 84. HRAS_085 NG 1982.05.04-09:59:45.576 -0.001 mm 0.377 mm 0.382 mm 85. HRAS_085 EG 1982.05.04-09:59:45.576 0.017 mm 0.377 mm 0.382 mm 86. HRAS_085 NG 1982.05.04-17:59:45.576 -0.004 mm 0.422 mm 0.428 mm 87. HRAS_085 EG 1982.05.04-17:59:45.576 -0.008 mm 0.422 mm 0.428 mm 88. WESTFORD 7209 NOAM X Comp 1492206579.72 mm 36.715 mm 6.047 mm 6.125 mm 89. WESTFORD 7209 NOAM Y Comp -4458130457.15 mm 64.854 mm 24.625 mm 24.943 mm 90. WESTFORD 7209 NOAM Z Comp 4296015506.92 mm -40.084 mm 18.502 mm 18.741 mm WESTFORD 7209 U Comp -63.82 mm -63.823 mm 28.938 mm 25.229 mm WESTFORD 7209 E Comp 55.40 mm 55.402 mm 11.379 mm 9.921 mm WESTFORD 7209 N Comp 4.25 mm 4.249 mm 4.283 mm 3.734 mm 91. WESTFORD CL 0 1982.05.03-18:00:45.576 -29373.615 ns 0.327 ns 0.331 ns 92. WESTFORD CL 1 1982.05.03-18:00:45.576 -186.119 D-14 6.780 D-14 6.868 D-14 93. WESTFORD CL 2 1982.05.03-18:00:45.576 -4.444 D-14/day 7.116 D-14/day 7.208 D-14/day 94. WESTFORD BR 0 1982.05.04-14:00:45.576 -2.283 ns 0.940 ns 0.953 ns 95. WESTFORD BR 1 1982.05.04-14:00:45.576 29.796 D-14 22.476 D-14 22.767 D-14 96. WESTFORD BR 2 1982.05.04-14:00:45.576 206.471 D-14/day 79.795 D-14/day 80.826 D-14/day 122. WESTFORD AT 0 1982.05.03-18:00:45.576 -65.708 ps 50.027 ps 50.673 ps WESTFORD Atm 1982.05.04-06:31:17.760 Avg: -94.561 ps Rms: 10.551 ps Tot_Rms: 95.147 ps || Nat: 224 Dura: 89150.0 sec Tzd_avg: 7973.0 Tzd_rms: 16.8 Wzd_avg: 359.1 Wzd_rms: 11.5 ps Prs_avg: 100891. Pa Tem_avg: 13.3 C Stm_avg: -0.6 C Stm_rms: 1.1 K Spr_avg: 454. Spr_rms: 54. Pa 198. WESTFORD NG 1982.05.03-17:59:45.576 0.014 mm 0.422 mm 0.428 mm 199. WESTFORD EG 1982.05.03-17:59:45.576 0.008 mm 0.422 mm 0.428 mm 200. WESTFORD NG 1982.05.04-01:59:45.576 0.002 mm 0.377 mm 0.382 mm 201. WESTFORD EG 1982.05.04-01:59:45.576 0.011 mm 0.377 mm 0.382 mm 202. WESTFORD NG 1982.05.04-09:59:45.576 -0.006 mm 0.377 mm 0.382 mm 203. WESTFORD EG 1982.05.04-09:59:45.576 0.006 mm 0.377 mm 0.382 mm 204. WESTFORD NG 1982.05.04-17:59:45.576 -0.006 mm 0.422 mm 0.428 mm 205. WESTFORD EG 1982.05.04-17:59:45.576 0.009 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.57 ps/h NRMS 0.17 share 0.94 count 76 2. WESTFORD Input 50.00 ps/h RMS 8.44 ps/h NRMS 0.17 share 0.92 count 76 Overall RMS 8.50 ps/h NRMS 0.17 share 0.93 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 2. WESTFORD Input 15.00 D-14 RMS 8.13 D-14 NRMS 0.54 share 0.23 count 26 Overall RMS 8.13 D-14 NRMS 0.54 share 0.23 count 26 206. UT1-TAI 1, 1982.05.04-06:24:00.000 -3.2952 ms/d -396.84 micros/d 288.71 micros/d 292.44 micros/d EOP epoch (TDT) MJD: 45093.267039 NUT epoch (TDT) MJD: 45093.255730 207. Nutation DPSI wrt apriori model 1982.05.04-06:23:39.336 -5.572 mas 2987.0 microasec 3025.6 microasec Nutation Dx wrt apriori model 1982.05.04-06:23:39.336 -2.212 mas 1184.1 microasec 1199.4 microasec Nutation DPSI wrt Wahr 1980 model 1982.05.04-06:23:39.336 2.091 mas 2987.0 microasec 3025.6 microasec 208. Nutation DEPS wrt apriori model 1982.05.04-06:23:39.336 -1.156 mas 1048.6 microasec 1062.1 microasec Nutation Dy wrt apriori model 1982.05.04-06:23:39.336 -1.165 mas 1053.2 microasec 1066.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.05.04-06:23:39.336 -2.652 mas 1048.6 microasec 1062.1 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 1.500E+01 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1234 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.05.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928051.12 13.04 3134928051.12 13.04 19.20 7.59 150.54 60.94 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:51 Correlator type: Unknown Experiment code: pol058 Mark-3 db_name: $82MAY10XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820510_a Ver 2 pol058 Matrix Condition Number = 1.416362998018181E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 15.3 5.0 835.1 0.9 23.1 6.9 WESTFORD MET 10.8 1.7 1006.7 1.7 42.5 1.4 Run 26091-1736 226 Observation Pairs Available Session started on: 2445100.250900 1982.05.10 18:01:17.760 UTC Nominal duration: 87359.040 sec 01 00:15:59.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 179 62.691 ps 0.88 1.0242 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 179 Number of potentially good observations with QC 5-9: 179 Number of used observations: 179 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 179 179 62.691 0.88 19820510_a pol058 1982.05.11-06:09:17.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 17 86.573 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 0212+735 J0217+7349 12 12 15 101.766 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 0234+285 J0237+2848 16 16 16 88.099 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 0552+398 J0555+3948 14 14 15 110.264 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 1637+574 J1638+5720 5 5 19 192.540 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 2134+00 J2136+0041 10 10 15 139.849 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 3C273B J1229+0203 14 14 16 21.135 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 3C345 J1642+3948 21 21 21 31.915 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 3C454.3 J2253+1608 15 15 15 26.454 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: 4C39.25 J0927+3902 5 5 14 52.529 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: NRAO150 J0359+5057 14 14 14 70.866 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: OJ287 J0854+2006 10 10 13 43.373 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: OQ208 J1407+2827 19 19 22 118.250 19820510_a pol058 1982.05.11-06:09:17.280 SRC_STAT: VR422201 J2202+4216 7 7 14 80.462 19820510_a pol058 1982.05.11-06:09:17.280 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.05.11-06:08:45 1. HRAS_085 7216 NOAM X Comp -1324211063.72 mm -46.717 mm 5.144 mm 5.206 mm 2. HRAS_085 7216 NOAM Y Comp -5332023145.12 mm -63.117 mm 19.823 mm 20.062 mm 3. HRAS_085 7216 NOAM Z Comp 3232118378.16 mm 71.161 mm 14.864 mm 15.043 mm HRAS_085 7216 U Comp 98.66 mm 98.658 mm 24.282 mm 21.487 mm HRAS_085 7216 E Comp -30.13 mm -30.127 mm 5.546 mm 4.908 mm HRAS_085 7216 N Comp 24.27 mm 24.274 mm 4.470 mm 3.956 mm 4. HRAS_085 CL 0 1982.05.10-18:00:45.576 33074.235 ns 0.265 ns 0.268 ns 5. HRAS_085 CL 1 1982.05.10-18:00:45.576 133.415 D-14 2.120 D-14 2.145 D-14 6. HRAS_085 CL 2 1982.05.10-18:00:45.576 8.127 D-14/day 1.809 D-14/day 1.831 D-14/day 32. HRAS_085 AT 0 1982.05.10-18:00:45.576 -96.113 ps 75.001 ps 75.902 ps HRAS_085 Atm 1982.05.11-06:31:17.760 Avg: -70.315 ps Rms: 49.727 ps Tot_Rms: 86.122 ps || Nat: 226 Dura: 87360.0 sec Tzd_avg: 6482.9 Tzd_rms: 14.4 Wzd_avg: 139.8 Wzd_rms: 13.7 ps Prs_avg: 83508. Pa Tem_avg: 15.4 C Stm_avg: -4.2 C Stm_rms: 4.5 K Spr_avg: 33. Spr_rms: 74. Pa 108. HRAS_085 NG 1982.05.10-17:59:45.576 -0.021 mm 0.422 mm 0.427 mm 109. HRAS_085 EG 1982.05.10-17:59:45.576 -0.002 mm 0.422 mm 0.427 mm 110. HRAS_085 NG 1982.05.11-01:59:45.576 -0.009 mm 0.377 mm 0.382 mm 111. HRAS_085 EG 1982.05.11-01:59:45.576 -0.001 mm 0.377 mm 0.381 mm 112. HRAS_085 NG 1982.05.11-09:59:45.576 -0.004 mm 0.377 mm 0.382 mm 113. HRAS_085 EG 1982.05.11-09:59:45.576 -0.008 mm 0.377 mm 0.381 mm 114. HRAS_085 NG 1982.05.11-17:59:45.576 0.004 mm 0.422 mm 0.427 mm 115. HRAS_085 EG 1982.05.11-17:59:45.576 0.012 mm 0.422 mm 0.427 mm 116. WESTFORD 7209 NOAM X Comp 1492206589.72 mm 46.717 mm 5.144 mm 5.206 mm 117. WESTFORD 7209 NOAM Y Comp -4458130458.88 mm 63.117 mm 19.823 mm 20.062 mm 118. WESTFORD 7209 NOAM Z Comp 4296015475.84 mm -71.161 mm 14.864 mm 15.043 mm WESTFORD 7209 U Comp -81.31 mm -81.315 mm 23.294 mm 20.613 mm WESTFORD 7209 E Comp 64.34 mm 64.336 mm 9.233 mm 8.170 mm WESTFORD 7209 N Comp -21.89 mm -21.887 mm 3.537 mm 3.130 mm 119. WESTFORD AT 0 1982.05.10-18:00:45.576 -82.334 ps 44.235 ps 44.767 ps WESTFORD Atm 1982.05.11-06:31:17.760 Avg: -80.561 ps Rms: 35.288 ps Tot_Rms: 87.950 ps || Nat: 226 Dura: 87360.0 sec Tzd_avg: 8023.4 Tzd_rms: 21.6 Wzd_avg: 425.1 Wzd_rms: 32.5 ps Prs_avg: 100669. Pa Tem_avg: 10.8 C Stm_avg: -0.5 C Stm_rms: 1.2 K Spr_avg: 411. Spr_rms: 55. Pa 195. WESTFORD NG 1982.05.10-17:59:45.576 0.007 mm 0.422 mm 0.427 mm 196. WESTFORD EG 1982.05.10-17:59:45.576 0.000 mm 0.422 mm 0.427 mm 197. WESTFORD NG 1982.05.11-01:59:45.576 -0.002 mm 0.377 mm 0.382 mm 198. WESTFORD EG 1982.05.11-01:59:45.576 -0.004 mm 0.377 mm 0.381 mm 199. WESTFORD NG 1982.05.11-09:59:45.576 -0.002 mm 0.377 mm 0.382 mm 200. WESTFORD EG 1982.05.11-09:59:45.576 0.003 mm 0.377 mm 0.381 mm 201. WESTFORD NG 1982.05.11-17:59:45.576 -0.004 mm 0.422 mm 0.427 mm 202. WESTFORD EG 1982.05.11-17:59:45.576 -0.009 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.17 ps/h NRMS 0.28 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.90 ps/h NRMS 0.30 share 0.88 count 76 Overall RMS 14.54 ps/h NRMS 0.29 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.16 D-14 NRMS 0.43 share 0.28 count 26 Overall RMS 2.16 D-14 NRMS 0.43 share 0.28 count 26 203. UT1-TAI 1, 1982.05.11-06:09:00.000 -2.0119 ms/d -225.96 micros/d 253.28 micros/d 256.32 micros/d EOP epoch (TDT) MJD: 45100.256623 NUT epoch (TDT) MJD: 45100.275403 204. Nutation DPSI wrt apriori model 1982.05.11-06:08:45.096 -3.436 mas 2458.1 microasec 2487.7 microasec Nutation Dx wrt apriori model 1982.05.11-06:08:45.096 -1.363 mas 974.2 microasec 985.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.05.11-06:08:45.096 3.233 mas 2458.1 microasec 2487.7 microasec 205. Nutation DEPS wrt apriori model 1982.05.11-06:08:45.096 -0.859 mas 938.0 microasec 949.2 microasec Nutation Dy wrt apriori model 1982.05.11-06:08:45.096 -0.865 mas 941.8 microasec 953.2 microasec Nutation DEPS wrt Wahr 1980 model 1982.05.11-06:08:45.096 -2.225 mas 938.0 microasec 949.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1084 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.05.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928047.03 10.91 3134928047.03 10.91 74.36 6.38 185.40 49.01 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:54 Correlator type: Unknown Experiment code: pol059 Mark-3 db_name: $82MAY17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820517_a Ver 2 pol059 Matrix Condition Number = 1.647529368347185E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.0 4.8 838.3 1.3 26.0 1.9 WESTFORD MET 17.1 4.3 1010.6 2.2 14.7 2.8 Run 26091-1736 226 Observation Pairs Available Session started on: 2445107.251400 1982.05.17 18:02:00.960 UTC Nominal duration: 87315.840 sec 01 00:15:15.840 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 181 68.671 ps 0.86 0.9657 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 182 Number of potentially good observations with QC 5-9: 182 Number of used observations: 181 ( 99.45%) Number of suppressed observations: 1 ( 0.55%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 181 182 68.671 0.86 19820517_a pol059 1982.05.18-06:09:38.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 15 76.793 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 0212+735 J0217+7349 13 13 16 116.004 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 0234+285 J0237+2848 14 14 14 98.091 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 0552+398 J0555+3948 17 17 18 69.113 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 1637+574 J1638+5720 3 4 17 88.450 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 2134+00 J2136+0041 8 8 14 80.799 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 3C273B J1229+0203 17 17 17 39.366 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 3C345 J1642+3948 18 18 18 29.160 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 3C454.3 J2253+1608 14 14 15 40.688 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: 4C39.25 J0927+3902 7 7 16 89.100 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: NRAO150 J0359+5057 15 15 16 83.121 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: OJ287 J0854+2006 16 16 16 63.535 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: OQ208 J1407+2827 18 18 20 159.408 19820517_a pol059 1982.05.18-06:09:38.880 SRC_STAT: VR422201 J2202+4216 7 7 14 74.247 19820517_a pol059 1982.05.18-06:09:38.880 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.05.18-06:09:06 1. HRAS_085 7216 NOAM X Comp -1324211066.55 mm -49.550 mm 5.600 mm 5.504 mm 2. HRAS_085 7216 NOAM Y Comp -5332023116.78 mm -34.781 mm 21.461 mm 21.090 mm 3. HRAS_085 7216 NOAM Z Comp 3232118361.19 mm 54.194 mm 15.793 mm 15.520 mm HRAS_085 7216 U Comp 66.94 mm 66.937 mm 26.217 mm 22.635 mm HRAS_085 7216 E Comp -39.71 mm -39.706 mm 5.701 mm 4.922 mm HRAS_085 7216 N Comp 23.34 mm 23.342 mm 4.639 mm 4.005 mm 4. HRAS_085 CL 0 1982.05.17-18:01:28.776 33453.198 ns 0.284 ns 0.279 ns 5. HRAS_085 CL 1 1982.05.17-18:01:28.776 511.608 D-14 2.151 D-14 2.114 D-14 6. HRAS_085 CL 2 1982.05.17-18:01:28.776 26.089 D-14/day 1.836 D-14/day 1.805 D-14/day 32. HRAS_085 AT 0 1982.05.17-18:01:28.776 -3.516 ps 78.593 ps 77.235 ps HRAS_085 Atm 1982.05.18-06:32:00.960 Avg: 15.467 ps Rms: 23.790 ps Tot_Rms: 28.376 ps || Nat: 226 Dura: 87310.0 sec Tzd_avg: 6620.0 Tzd_rms: 43.3 Wzd_avg: 256.8 Wzd_rms: 42.2 ps Prs_avg: 83831. Pa Tem_avg: 16.0 C Stm_avg: -2.9 C Stm_rms: 1.7 K Spr_avg: 40. Spr_rms: 89. Pa 108. HRAS_085 NG 1982.05.17-18:00:28.776 -0.001 mm 0.422 mm 0.415 mm 109. HRAS_085 EG 1982.05.17-18:00:28.776 -0.008 mm 0.422 mm 0.415 mm 110. HRAS_085 NG 1982.05.18-02:00:28.776 0.001 mm 0.377 mm 0.370 mm 111. HRAS_085 EG 1982.05.18-02:00:28.776 -0.012 mm 0.377 mm 0.370 mm 112. HRAS_085 NG 1982.05.18-10:00:28.776 -0.000 mm 0.377 mm 0.371 mm 113. HRAS_085 EG 1982.05.18-10:00:28.776 0.006 mm 0.377 mm 0.370 mm 114. HRAS_085 NG 1982.05.18-18:00:28.776 0.004 mm 0.422 mm 0.415 mm 115. HRAS_085 EG 1982.05.18-18:00:28.776 0.006 mm 0.422 mm 0.415 mm 116. WESTFORD 7209 NOAM X Comp 1492206592.55 mm 49.550 mm 5.600 mm 5.504 mm 117. WESTFORD 7209 NOAM Y Comp -4458130487.22 mm 34.781 mm 21.461 mm 21.090 mm 118. WESTFORD 7209 NOAM Z Comp 4296015492.81 mm -54.194 mm 15.793 mm 15.520 mm WESTFORD 7209 U Comp -49.39 mm -49.390 mm 24.932 mm 21.526 mm WESTFORD 7209 E Comp 58.03 mm 58.028 mm 10.258 mm 8.856 mm WESTFORD 7209 N Comp -28.20 mm -28.201 mm 3.812 mm 3.291 mm 119. WESTFORD AT 0 1982.05.17-18:01:28.776 -88.277 ps 43.156 ps 42.410 ps WESTFORD Atm 1982.05.18-06:32:00.960 Avg: -108.613 ps Rms: 22.274 ps Tot_Rms: 110.873 ps || Nat: 226 Dura: 87310.0 sec Tzd_avg: 7922.2 Tzd_rms: 29.1 Wzd_avg: 287.1 Wzd_rms: 20.8 ps Prs_avg: 101064. Pa Tem_avg: 17.1 C Stm_avg: 1.5 C Stm_rms: 1.1 K Spr_avg: 381. Spr_rms: 49. Pa 195. WESTFORD NG 1982.05.17-18:00:28.776 -0.001 mm 0.422 mm 0.415 mm 196. WESTFORD EG 1982.05.17-18:00:28.776 0.007 mm 0.422 mm 0.415 mm 197. WESTFORD NG 1982.05.18-02:00:28.776 -0.007 mm 0.377 mm 0.371 mm 198. WESTFORD EG 1982.05.18-02:00:28.776 -0.006 mm 0.377 mm 0.370 mm 199. WESTFORD NG 1982.05.18-10:00:28.776 -0.005 mm 0.377 mm 0.371 mm 200. WESTFORD EG 1982.05.18-10:00:28.776 -0.017 mm 0.377 mm 0.370 mm 201. WESTFORD NG 1982.05.18-18:00:28.776 -0.002 mm 0.422 mm 0.415 mm 202. WESTFORD EG 1982.05.18-18:00:28.776 -0.001 mm 0.422 mm 0.415 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.00 ps/h NRMS 0.26 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 13.16 ps/h NRMS 0.26 share 0.88 count 76 Overall RMS 13.08 ps/h NRMS 0.26 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.93 D-14 NRMS 0.59 share 0.29 count 26 Overall RMS 2.93 D-14 NRMS 0.59 share 0.29 count 26 203. UT1-TAI 1, 1982.05.18-06:09:00.000 -3.2305 ms/d -869.19 micros/d 259.49 micros/d 255.00 micros/d EOP epoch (TDT) MJD: 45107.256623 NUT epoch (TDT) MJD: 45107.250281 204. Nutation DPSI wrt apriori model 1982.05.18-06:09:06.696 -4.102 mas 2528.0 microasec 2484.3 microasec Nutation Dx wrt apriori model 1982.05.18-06:09:06.696 -1.621 mas 1001.8 microasec 984.5 microasec Nutation DPSI wrt Wahr 1980 model 1982.05.18-06:09:06.696 3.032 mas 2528.0 microasec 2484.3 microasec 205. Nutation DEPS wrt apriori model 1982.05.18-06:09:06.696 -2.694 mas 977.0 microasec 960.1 microasec Nutation Dy wrt apriori model 1982.05.18-06:09:06.696 -2.701 mas 980.9 microasec 964.0 microasec Nutation DEPS wrt Wahr 1980 model 1982.05.18-06:09:06.696 -4.160 mas 977.0 microasec 960.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0434 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.05.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928047.84 12.07 3134928047.84 12.07 83.32 6.62 119.72 52.69 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1736 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:36:57 Correlator type: Unknown Experiment code: pol061 Mark-3 db_name: $82JUN02X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820602_a Ver 2 pol061 Matrix Condition Number = 1.335173533185567E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.7 6.9 836.0 1.3 4.9 0.3 WESTFORD MET 16.4 3.2 1004.3 4.3 55.2 20.8 Run 26091-1736 232 Observation Pairs Available Session started on: 2445123.284800 1982.06.02 18:50:06.720 UTC Nominal duration: 85691.520 sec 00 23:48:11.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 177 55.487 ps 0.88 1.0234 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 180 Number of potentially good observations with QC 5-9: 180 Number of used observations: 177 ( 98.33%) Number of suppressed observations: 3 ( 1.67%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 177 180 55.487 0.88 19820602_a pol061 1982.06.03-06:44:12.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 71.801 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 0212+735 J0217+7349 4 4 15 122.467 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 0234+285 J0237+2848 15 15 15 50.793 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 0552+398 J0555+3948 14 16 18 59.987 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 1637+574 J1638+5720 4 5 19 201.199 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 2134+00 J2136+0041 7 7 15 103.231 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 3C273B J1229+0203 17 17 17 31.073 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 3C345 J1642+3948 21 21 21 32.950 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 3C454.3 J2253+1608 15 15 15 31.054 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: 4C39.25 J0927+3902 7 7 16 60.467 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: NRAO150 J0359+5057 15 15 16 72.315 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: OJ287 J0854+2006 15 15 15 55.555 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: OQ208 J1407+2827 21 21 22 128.580 19820602_a pol061 1982.06.03-06:44:12.480 SRC_STAT: VR422201 J2202+4216 7 7 13 107.330 19820602_a pol061 1982.06.03-06:44:12.480 ------------------------------------------------ Parameter adjustments for run 26091-1736 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.03-06:43:40 1. HRAS_085 7216 NOAM X Comp -1324211060.48 mm -43.483 mm 5.055 mm 5.114 mm 2. HRAS_085 7216 NOAM Y Comp -5332023200.08 mm -118.076 mm 19.518 mm 19.745 mm 3. HRAS_085 7216 NOAM Z Comp 3232118400.23 mm 93.233 mm 14.164 mm 14.329 mm HRAS_085 7216 U Comp 155.13 mm 155.127 mm 23.607 mm 20.732 mm HRAS_085 7216 E Comp -13.74 mm -13.741 mm 5.620 mm 4.935 mm HRAS_085 7216 N Comp 16.48 mm 16.481 mm 4.272 mm 3.752 mm 4. HRAS_085 CL 0 1982.06.02-18:49:34.536 -19950.821 ns 0.272 ns 0.275 ns 5. HRAS_085 CL 1 1982.06.02-18:49:34.536 523.608 D-14 2.193 D-14 2.218 D-14 6. HRAS_085 CL 2 1982.06.02-18:49:34.536 7.684 D-14/day 1.898 D-14/day 1.920 D-14/day 31. HRAS_085 AT 0 1982.06.02-18:49:34.536 -219.334 ps 72.618 ps 73.463 ps HRAS_085 Atm 1982.06.03-06:50:06.720 Avg: -225.000 ps Rms: 12.349 ps Tot_Rms: 225.338 ps || Nat: 232 Dura: 85690.0 sec Tzd_avg: 6518.6 Tzd_rms: 28.6 Wzd_avg: 169.8 Wzd_rms: 33.0 ps Prs_avg: 83595. Pa Tem_avg: 18.7 C Stm_avg: -6.3 C Stm_rms: 5.6 K Spr_avg: 34. Spr_rms: 72. Pa 104. HRAS_085 NG 1982.06.02-18:48:34.536 -0.016 mm 0.422 mm 0.427 mm 105. HRAS_085 EG 1982.06.02-18:48:34.536 0.011 mm 0.422 mm 0.427 mm 106. HRAS_085 NG 1982.06.03-02:48:34.536 -0.023 mm 0.377 mm 0.381 mm 107. HRAS_085 EG 1982.06.03-02:48:34.536 -0.017 mm 0.377 mm 0.381 mm 108. HRAS_085 NG 1982.06.03-10:48:34.536 -0.018 mm 0.377 mm 0.381 mm 109. HRAS_085 EG 1982.06.03-10:48:34.536 -0.003 mm 0.377 mm 0.381 mm 110. HRAS_085 NG 1982.06.03-18:48:34.536 0.004 mm 0.422 mm 0.427 mm 111. HRAS_085 EG 1982.06.03-18:48:34.536 0.018 mm 0.422 mm 0.427 mm 112. WESTFORD 7209 NOAM X Comp 1492206586.48 mm 43.483 mm 5.055 mm 5.114 mm 113. WESTFORD 7209 NOAM Y Comp -4458130403.92 mm 118.076 mm 19.518 mm 19.745 mm 114. WESTFORD 7209 NOAM Z Comp 4296015453.77 mm -93.233 mm 14.164 mm 14.329 mm WESTFORD 7209 U Comp -135.37 mm -135.369 mm 22.628 mm 19.872 mm WESTFORD 7209 E Comp 78.71 mm 78.713 mm 8.954 mm 7.864 mm WESTFORD 7209 N Comp -2.15 mm -2.150 mm 3.862 mm 3.392 mm 115. WESTFORD AT 0 1982.06.02-18:49:34.536 -62.968 ps 72.538 ps 73.382 ps WESTFORD Atm 1982.06.03-06:50:06.720 Avg: -14.400 ps Rms: 37.268 ps Tot_Rms: 39.953 ps || Nat: 232 Dura: 85690.0 sec Tzd_avg: 7914.1 Tzd_rms: 111.3 Wzd_avg: 333.8 Wzd_rms: 110.7 ps Prs_avg: 100430. Pa Tem_avg: 16.4 C Stm_avg: -0.7 C Stm_rms: 1.0 K Spr_avg: 449. Spr_rms: 42. Pa 188. WESTFORD NG 1982.06.02-18:48:34.536 0.004 mm 0.422 mm 0.427 mm 189. WESTFORD EG 1982.06.02-18:48:34.536 0.004 mm 0.422 mm 0.427 mm 190. WESTFORD NG 1982.06.03-02:48:34.536 -0.012 mm 0.377 mm 0.381 mm 191. WESTFORD EG 1982.06.03-02:48:34.536 0.037 mm 0.377 mm 0.381 mm 192. WESTFORD NG 1982.06.03-10:48:34.536 -0.005 mm 0.377 mm 0.381 mm 193. WESTFORD EG 1982.06.03-10:48:34.536 0.013 mm 0.377 mm 0.381 mm 194. WESTFORD NG 1982.06.03-18:48:34.536 -0.012 mm 0.422 mm 0.427 mm 195. WESTFORD EG 1982.06.03-18:48:34.536 -0.011 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.17 ps/h NRMS 0.20 share 0.90 count 73 2. WESTFORD Input 50.00 ps/h RMS 16.00 ps/h NRMS 0.32 share 0.87 count 73 Overall RMS 13.41 ps/h NRMS 0.27 share 0.89 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.06 D-14 NRMS 0.61 share 0.24 count 25 Overall RMS 3.06 D-14 NRMS 0.61 share 0.24 count 25 196. UT1-TAI 1, 1982.06.03-06:44:00.000 -2.4222 ms/d -248.57 micros/d 271.76 micros/d 274.92 micros/d EOP epoch (TDT) MJD: 45123.280928 NUT epoch (TDT) MJD: 45123.256958 197. Nutation DPSI wrt apriori model 1982.06.03-06:43:40.296 -3.587 mas 2277.1 microasec 2303.5 microasec Nutation Dx wrt apriori model 1982.06.03-06:43:40.296 -1.424 mas 902.1 microasec 912.6 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.03-06:43:40.296 1.935 mas 2277.1 microasec 2303.5 microasec 198. Nutation DEPS wrt apriori model 1982.06.03-06:43:40.296 -0.634 mas 953.5 microasec 964.6 microasec Nutation Dy wrt apriori model 1982.06.03-06:43:40.296 -0.639 mas 957.1 microasec 968.2 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.03-06:43:40.296 -1.808 mas 953.5 microasec 964.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1099 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928056.88 10.72 3134928056.88 10.72 43.44 6.72 299.51 47.63 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:00 Correlator type: Unknown Experiment code: pol062 Mark-3 db_name: $82JUN07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820607_a Ver 2 pol062 Matrix Condition Number = 2.799588971736317E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.7 6.0 839.9 1.2 16.4 4.1 WESTFORD MET 10.0 2.8 1006.5 1.2 98.1 43.1 Run 26091-1737 211 Observation Pairs Available Session started on: 2445128.250900 1982.06.07 18:01:17.760 UTC Nominal duration: 88560.000 sec 01 00:35:60.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 130 48.746 ps 0.85 1.0239 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 134 Number of potentially good observations with QC 5-9: 134 Number of used observations: 130 ( 97.01%) Number of suppressed observations: 4 ( 2.99%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 130 134 48.746 0.85 19820607_a pol062 1982.06.08-06:19:17.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 16 105.187 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 0212+735 J0217+7349 6 6 14 144.521 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 0234+285 J0237+2848 16 16 16 97.973 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 0552+398 J0555+3948 4 7 11 107.550 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 1637+574 J1638+5720 0 0 18 0.000 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 2134+00 J2136+0041 6 6 15 80.471 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 3C273B J1229+0203 13 13 14 29.467 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 3C345 J1642+3948 19 19 20 30.933 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 3C454.3 J2253+1608 15 15 15 24.877 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: 4C39.25 J0927+3902 2 2 14 37.633 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: NRAO150 J0359+5057 12 12 14 68.890 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: OJ287 J0854+2006 9 9 10 70.337 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: OQ208 J1407+2827 8 9 21 123.148 19820607_a pol062 1982.06.08-06:19:17.760 SRC_STAT: VR422201 J2202+4216 7 7 13 37.508 19820607_a pol062 1982.06.08-06:19:17.760 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.08-06:18:45 1. HRAS_085 7216 NOAM X Comp -1324211070.43 mm -53.426 mm 6.465 mm 6.542 mm 2. HRAS_085 7216 NOAM Y Comp -5332023108.23 mm -26.235 mm 27.770 mm 28.101 mm 3. HRAS_085 7216 NOAM Z Comp 3232118371.79 mm 64.793 mm 20.891 mm 21.140 mm HRAS_085 7216 U Comp 66.00 mm 66.005 mm 33.601 mm 28.459 mm HRAS_085 7216 E Comp -45.53 mm -45.527 mm 9.091 mm 7.700 mm HRAS_085 7216 N Comp 36.21 mm 36.212 mm 6.143 mm 5.203 mm 4. HRAS_085 CL 0 1982.06.07-18:00:45.576 -17589.041 ns 0.343 ns 0.347 ns 5. HRAS_085 CL 1 1982.06.07-18:00:45.576 523.083 D-14 2.129 D-14 2.154 D-14 6. HRAS_085 CL 2 1982.06.07-18:00:45.576 -1.283 D-14/day 1.785 D-14/day 1.806 D-14/day 32. HRAS_085 AT 0 1982.06.07-18:00:45.576 -225.955 ps 109.419 ps 110.721 ps HRAS_085 Atm 1982.06.08-06:31:17.760 Avg: -189.421 ps Rms: 34.959 ps Tot_Rms: 192.619 ps || Nat: 211 Dura: 88560.0 sec Tzd_avg: 6928.7 Tzd_rms: 110.4 Wzd_avg: 567.3 Wzd_rms: 111.8 ps Prs_avg: 83990. Pa Tem_avg: 20.8 C Stm_avg: -4.9 C Stm_rms: 3.9 K Spr_avg: 87. Spr_rms: 78. Pa 108. HRAS_085 NG 1982.06.07-17:59:45.576 -0.002 mm 0.422 mm 0.427 mm 109. HRAS_085 EG 1982.06.07-17:59:45.576 0.006 mm 0.422 mm 0.427 mm 110. HRAS_085 NG 1982.06.08-01:59:45.576 -0.002 mm 0.377 mm 0.382 mm 111. HRAS_085 EG 1982.06.08-01:59:45.576 -0.001 mm 0.377 mm 0.381 mm 112. HRAS_085 NG 1982.06.08-09:59:45.576 -0.010 mm 0.377 mm 0.382 mm 113. HRAS_085 EG 1982.06.08-09:59:45.576 -0.005 mm 0.377 mm 0.381 mm 114. HRAS_085 NG 1982.06.08-17:59:45.576 0.010 mm 0.422 mm 0.427 mm 115. HRAS_085 EG 1982.06.08-17:59:45.576 0.031 mm 0.422 mm 0.427 mm 116. WESTFORD 7209 NOAM X Comp 1492206596.43 mm 53.426 mm 6.465 mm 6.542 mm 117. WESTFORD 7209 NOAM Y Comp -4458130495.77 mm 26.235 mm 27.770 mm 28.101 mm 118. WESTFORD 7209 NOAM Z Comp 4296015482.21 mm -64.793 mm 20.891 mm 21.140 mm WESTFORD 7209 U Comp -49.70 mm -49.696 mm 33.306 mm 28.209 mm WESTFORD 7209 E Comp 58.99 mm 58.990 mm 10.828 mm 9.171 mm WESTFORD 7209 N Comp -42.32 mm -42.321 mm 4.787 mm 4.054 mm 119. WESTFORD AT 0 1982.06.07-18:00:45.576 26.283 ps 39.119 ps 39.584 ps WESTFORD Atm 1982.06.08-06:31:17.760 Avg: 48.147 ps Rms: 24.253 ps Tot_Rms: 53.911 ps || Nat: 211 Dura: 88560.0 sec Tzd_avg: 8118.1 Tzd_rms: 20.1 Wzd_avg: 526.3 Wzd_rms: 15.4 ps Prs_avg: 100646. Pa Tem_avg: 10.0 C Stm_avg: -1.0 C Stm_rms: 0.3 K Spr_avg: 430. Spr_rms: 40. Pa 195. WESTFORD NG 1982.06.07-17:59:45.576 0.002 mm 0.422 mm 0.427 mm 196. WESTFORD EG 1982.06.07-17:59:45.576 -0.009 mm 0.422 mm 0.427 mm 197. WESTFORD NG 1982.06.08-01:59:45.576 0.001 mm 0.377 mm 0.382 mm 198. WESTFORD EG 1982.06.08-01:59:45.576 0.003 mm 0.377 mm 0.381 mm 199. WESTFORD NG 1982.06.08-09:59:45.576 0.002 mm 0.377 mm 0.382 mm 200. WESTFORD EG 1982.06.08-09:59:45.576 0.022 mm 0.377 mm 0.381 mm 201. WESTFORD NG 1982.06.08-17:59:45.576 0.002 mm 0.422 mm 0.427 mm 202. WESTFORD EG 1982.06.08-17:59:45.576 -0.004 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 17.43 ps/h NRMS 0.35 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 15.60 ps/h NRMS 0.31 share 0.90 count 76 Overall RMS 16.54 ps/h NRMS 0.33 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.87 D-14 NRMS 0.97 share 0.31 count 26 Overall RMS 4.87 D-14 NRMS 0.97 share 0.31 count 26 203. UT1-TAI 1, 1982.06.08-06:19:00.000 -0.8196 ms/d 734.40 micros/d 309.48 micros/d 313.16 micros/d EOP epoch (TDT) MJD: 45128.263567 NUT epoch (TDT) MJD: 45128.326064 204. Nutation DPSI wrt apriori model 1982.06.08-06:18:45.576 -0.156 mas 2502.0 microasec 2531.7 microasec Nutation Dx wrt apriori model 1982.06.08-06:18:45.576 -0.072 mas 990.5 microasec 1002.3 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.08-06:18:45.576 4.572 mas 2502.0 microasec 2531.7 microasec 205. Nutation DEPS wrt apriori model 1982.06.08-06:18:45.576 2.546 mas 1229.9 microasec 1244.5 microasec Nutation Dy wrt apriori model 1982.06.08-06:18:45.576 2.546 mas 1233.8 microasec 1248.5 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.08-06:18:45.576 1.039 mas 1229.9 microasec 1244.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1559 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928042.85 13.42 3134928042.85 13.42 111.18 8.07 119.00 68.94 NNT_POS: 4 stations participated in NNT_POS constraints: GOLDVENU ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:03 Correlator type: Unknown Experiment code: xal821 Mark-3 db_name: $82JUN16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820616_a Ver 2 xal821 Matrix Condition Number = 7.575732478673400E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | JPL_MV1 : GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GOLDVENU is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET 28.4 3.5 888.2 0.8 35.0 2.9 JPL_MV1 MET -999.0 0.0 -999.0 0.0 0.0 0.0 ONSALA60 MET 11.9 2.1 1011.2 0.9 70.9 7.5 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 26.6 5.1 874.4 0.7 6.9 3.9 WESTFORD MET 18.1 1.7 1000.9 0.9 76.9 12.5 Run 26091-1737 889 Observation Pairs Available Session started on: 2445137.289600 1982.06.16 18:57:01.440 UTC Nominal duration: 86279.040 sec 00 23:57:59.040 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 247 31.137 ps 0.78 0.9716 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__META Used quality_code_limit: 5 Number of potentially recoverable observations: 263 Number of potentially good observations with QC 5-9: 458 Number of used observations: 247 ( 93.92%) Number of suppressed observations: 16 ( 6.08%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GOLDVENU ONSALA60 27 27 31.306 0.66 19820616_a xal821 1982.06.17-06:56:00.9 BAS_STAT GOLDVENU OVRO_130 34 45 9.548 0.57 19820616_a xal821 1982.06.17-06:56:00.9 BAS_STAT GOLDVENU WESTFORD 41 46 326.823 0.99 19820616_a xal821 1982.06.17-06:56:00.9 BAS_STAT JPL_MV1 -ONSALA60 No Data ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 44 44 57.633 0.71 19820616_a xal821 1982.06.17-06:56:00.9 BAS_STAT ONSALA60 WESTFORD 50 50 77.648 0.81 19820616_a xal821 1982.06.17-06:56:00.9 BAS_STAT OVRO_130 WESTFORD 51 51 55.051 0.80 19820616_a xal821 1982.06.17-06:56:00.9 BAS_STAT Not included: GOLDVENU JPL_MV1 0/ 0 deselected baseline 19820616_a xal821 GOLDVENU ONSALA85 0/ 0 deselected baseline 19820616_a xal821 JPL_MV1 ONSALA85 0/ 0 deselected baseline 19820616_a xal821 JPL_MV1 OVRO_130 0/ 0 deselected baseline 19820616_a xal821 JPL_MV1 WESTFORD 0/ 0 deselected baseline 19820616_a xal821 ONSALA85 OVRO_130 0/ 0 deselected baseline 19820616_a xal821 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820616_a xal821 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 3 3 27 140.820 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 0212+735 J0217+7349 34 38 134 55.057 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 0234+285 J0237+2848 7 7 33 28.168 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 0552+398 J0555+3948 17 18 54 32.608 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 1637+574 J1638+5720 29 30 122 41.004 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 2134+00 J2136+0041 6 6 32 16.664 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 3C273B J1229+0203 20 20 38 16.153 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 3C345 J1642+3948 33 39 93 26.316 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 3C454.3 J2253+1608 12 12 35 28.925 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: 4C39.25 J0927+3902 20 21 78 29.010 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: NRAO150 J0359+5057 13 14 77 38.481 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: OJ287 J0854+2006 12 12 19 34.371 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: OQ208 J1407+2827 28 29 82 40.278 19820616_a xal821 1982.06.17-06:56:00.960 SRC_STAT: VR422201 J2202+4216 13 14 65 29.932 19820616_a xal821 1982.06.17-06:56:00.960 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.17-06:55:28 1. GOLDVENU 1513 NOAM X Comp -2351129245.21 mm -20.214 mm 11.878 mm 11.708 mm 2. GOLDVENU 1513 NOAM Y Comp -4655477002.07 mm -1.069 mm 19.052 mm 18.780 mm 3. GOLDVENU 1513 NOAM Z Comp 3660956953.19 mm 88.187 mm 18.703 mm 18.436 mm GOLDVENU 1513 U Comp 59.11 mm 59.115 mm 26.474 mm 20.631 mm GOLDVENU 1513 E Comp -17.56 mm -17.562 mm 8.283 mm 6.455 mm GOLDVENU 1513 N Comp 66.21 mm 66.209 mm 9.187 mm 7.159 mm 4. GOLDVENU CL 0 1982.06.16-18:56:29.256 13649.663 ns 0.407 ns 0.402 ns 5. GOLDVENU CL 1 1982.06.16-18:56:29.256 64.421 D-14 2.693 D-14 2.655 D-14 6. GOLDVENU CL 2 1982.06.16-18:56:29.256 -13.158 D-14/day 2.364 D-14/day 2.330 D-14/day 31. GOLDVENU AT 0 1982.06.16-18:56:29.256 49.127 ps 70.762 ps 69.751 ps GOLDVENU Atm 1982.06.17-06:57:01.440 Avg: 50.032 ps Rms: 19.649 ps Tot_Rms: 53.752 ps || Nat: 120 Dura: 81370.0 sec Tzd_avg: 7063.9 Tzd_rms: 21.0 Wzd_avg: 332.8 Wzd_rms: 21.6 ps Prs_avg: 88816. Pa Tem_avg: 28.4 C Stm_avg: -0.7 C Stm_rms: 2.8 K Spr_avg: 106. Spr_rms: 27. Pa 104. GOLDVENU NG 1982.06.16-18:55:29.256 0.019 mm 0.422 mm 0.416 mm 105. GOLDVENU EG 1982.06.16-18:55:29.256 0.009 mm 0.422 mm 0.416 mm 106. GOLDVENU NG 1982.06.17-02:55:29.256 -0.012 mm 0.377 mm 0.371 mm 107. GOLDVENU EG 1982.06.17-02:55:29.256 0.014 mm 0.377 mm 0.371 mm 108. GOLDVENU NG 1982.06.17-10:55:29.256 -0.005 mm 0.377 mm 0.371 mm 109. GOLDVENU EG 1982.06.17-10:55:29.256 -0.018 mm 0.377 mm 0.371 mm 110. GOLDVENU NG 1982.06.17-18:55:29.256 0.001 mm 0.422 mm 0.416 mm 111. GOLDVENU EG 1982.06.17-18:55:29.256 -0.010 mm 0.422 mm 0.416 mm 112. ONSALA60 7213 EURA X Comp 3370605984.30 mm -4.704 mm 18.434 mm 18.170 mm 113. ONSALA60 7213 EURA Y Comp 711917398.74 mm -130.261 mm 17.528 mm 17.277 mm 114. ONSALA60 7213 EURA Z Comp 5349830617.44 mm -148.559 mm 29.157 mm 28.741 mm ONSALA60 7213 U Comp -142.13 mm -142.133 mm 30.394 mm 23.686 mm ONSALA60 7213 E Comp -126.48 mm -126.477 mm 17.337 mm 13.511 mm ONSALA60 7213 N Comp -53.49 mm -53.494 mm 16.516 mm 12.871 mm 115. ONSALA60 CL 0 1982.06.16-18:56:29.256 48870.463 ns 0.244 ns 0.241 ns 116. ONSALA60 CL 1 1982.06.16-18:56:29.256 233.074 D-14 2.189 D-14 2.158 D-14 117. ONSALA60 CL 2 1982.06.16-18:56:29.256 -16.951 D-14/day 1.909 D-14/day 1.882 D-14/day 142. ONSALA60 AT 0 1982.06.16-18:56:29.256 21.833 ps 51.002 ps 50.273 ps ONSALA60 Atm 1982.06.17-06:57:01.440 Avg: 11.643 ps Rms: 17.405 ps Tot_Rms: 20.940 ps || Nat: 130 Dura: 85860.0 sec Tzd_avg: 7900.7 Tzd_rms: 42.9 Wzd_avg: 259.1 Wzd_rms: 40.2 ps Prs_avg: 101123. Pa Tem_avg: 11.9 C Stm_avg: -1.5 C Stm_rms: 1.4 K Spr_avg: 231. Spr_rms: 22. Pa 215. ONSALA60 NG 1982.06.16-18:55:29.256 -0.011 mm 0.422 mm 0.416 mm 216. ONSALA60 EG 1982.06.16-18:55:29.256 0.007 mm 0.422 mm 0.416 mm 217. ONSALA60 NG 1982.06.17-02:55:29.256 -0.002 mm 0.377 mm 0.372 mm 218. ONSALA60 EG 1982.06.17-02:55:29.256 0.006 mm 0.377 mm 0.372 mm 219. ONSALA60 NG 1982.06.17-10:55:29.256 -0.015 mm 0.377 mm 0.372 mm 220. ONSALA60 EG 1982.06.17-10:55:29.256 -0.020 mm 0.377 mm 0.372 mm 221. ONSALA60 NG 1982.06.17-18:55:29.256 0.003 mm 0.422 mm 0.416 mm 222. ONSALA60 EG 1982.06.17-18:55:29.256 -0.022 mm 0.422 mm 0.416 mm 223. OVRO_130 7207 NOAM X Comp -2409600875.61 mm 11.386 mm 12.940 mm 12.755 mm 224. OVRO_130 7207 NOAM Y Comp -4478349496.09 mm -32.086 mm 20.786 mm 20.490 mm 225. OVRO_130 7207 NOAM Z Comp 3838603268.72 mm 80.718 mm 20.697 mm 20.402 mm OVRO_130 7207 U Comp 67.04 mm 67.039 mm 29.800 mm 23.223 mm OVRO_130 7207 E Comp 25.23 mm 25.230 mm 7.998 mm 6.233 mm OVRO_130 7207 N Comp 50.44 mm 50.436 mm 8.711 mm 6.788 mm 226. OVRO_130 CL 0 1982.06.16-18:56:29.256 1490.104 ns 0.253 ns 0.249 ns 227. OVRO_130 CL 1 1982.06.16-18:56:29.256 40.382 D-14 2.178 D-14 2.147 D-14 228. OVRO_130 CL 2 1982.06.16-18:56:29.256 -7.768 D-14/day 1.998 D-14/day 1.970 D-14/day 253. OVRO_130 AT 0 1982.06.16-18:56:29.256 -53.481 ps 80.543 ps 79.392 ps OVRO_130 Atm 1982.06.17-06:57:01.440 Avg: -74.020 ps Rms: 20.268 ps Tot_Rms: 76.745 ps || Nat: 112 Dura: 86280.0 sec Tzd_avg: 7054.7 Tzd_rms: 24.8 Wzd_avg: 427.8 Wzd_rms: 26.5 ps Prs_avg: 87447. Pa Tem_avg: 26.0 C Stm_avg: -0.8 C Stm_rms: 2.8 K Spr_avg: 18. Spr_rms: 66. Pa 326. OVRO_130 NG 1982.06.16-18:55:29.256 -0.009 mm 0.422 mm 0.416 mm 327. OVRO_130 EG 1982.06.16-18:55:29.256 0.000 mm 0.422 mm 0.416 mm 328. OVRO_130 NG 1982.06.17-02:55:29.256 0.013 mm 0.377 mm 0.371 mm 329. OVRO_130 EG 1982.06.17-02:55:29.256 0.010 mm 0.377 mm 0.371 mm 330. OVRO_130 NG 1982.06.17-10:55:29.256 -0.005 mm 0.377 mm 0.371 mm 331. OVRO_130 EG 1982.06.17-10:55:29.256 0.010 mm 0.376 mm 0.371 mm 332. OVRO_130 NG 1982.06.17-18:55:29.256 -0.002 mm 0.422 mm 0.416 mm 333. OVRO_130 EG 1982.06.17-18:55:29.256 0.003 mm 0.422 mm 0.416 mm 334. WESTFORD 7209 NOAM X Comp 1492206556.53 mm 13.532 mm 10.759 mm 10.606 mm 335. WESTFORD 7209 NOAM Y Comp -4458130358.58 mm 163.417 mm 21.468 mm 21.162 mm 336. WESTFORD 7209 NOAM Z Comp 4296015526.65 mm -20.345 mm 22.081 mm 21.766 mm WESTFORD 7209 U Comp -124.66 mm -124.660 mm 29.215 mm 22.767 mm WESTFORD 7209 E Comp 64.70 mm 64.702 mm 12.447 mm 9.700 mm WESTFORD 7209 N Comp 87.04 mm 87.038 mm 7.469 mm 5.821 mm 337. WESTFORD AT 0 1982.06.16-18:56:29.256 -80.908 ps 42.725 ps 42.115 ps WESTFORD Atm 1982.06.17-06:57:01.440 Avg: -33.585 ps Rms: 42.090 ps Tot_Rms: 53.847 ps || Nat: 169 Dura: 86280.0 sec Tzd_avg: 8425.2 Tzd_rms: 44.0 Wzd_avg: 916.3 Wzd_rms: 49.0 ps Prs_avg: 100086. Pa Tem_avg: 18.0 C Stm_avg: -2.4 C Stm_rms: 2.0 K Spr_avg: 782. Spr_rms: 59. Pa 410. WESTFORD NG 1982.06.16-18:55:29.256 0.000 mm 0.422 mm 0.416 mm 411. WESTFORD EG 1982.06.16-18:55:29.256 -0.031 mm 0.422 mm 0.416 mm 412. WESTFORD NG 1982.06.17-02:55:29.256 0.015 mm 0.377 mm 0.371 mm 413. WESTFORD EG 1982.06.17-02:55:29.256 -0.005 mm 0.377 mm 0.371 mm 414. WESTFORD NG 1982.06.17-10:55:29.256 0.011 mm 0.377 mm 0.372 mm 415. WESTFORD EG 1982.06.17-10:55:29.256 0.026 mm 0.377 mm 0.371 mm 416. WESTFORD NG 1982.06.17-18:55:29.256 0.009 mm 0.422 mm 0.416 mm 417. WESTFORD EG 1982.06.17-18:55:29.256 0.027 mm 0.422 mm 0.416 mm Atmosphere Constraint Statistics 1. GOLDVENU Input 50.00 ps/h RMS 13.73 ps/h NRMS 0.27 share 0.90 count 73 3. ONSALA60 Input 50.00 ps/h RMS 12.80 ps/h NRMS 0.26 share 0.88 count 73 5. OVRO_130 Input 50.00 ps/h RMS 12.94 ps/h NRMS 0.26 share 0.89 count 73 6. WESTFORD Input 50.00 ps/h RMS 17.06 ps/h NRMS 0.34 share 0.89 count 73 Overall RMS 14.24 ps/h NRMS 0.28 share 0.89 count 292 Gradient Constraint Statistics 1. GOLDVENU Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 6. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 1. GOLDVENU Input 5.00 D-14 RMS 2.58 D-14 NRMS 0.52 share 0.50 count 25 3. ONSALA60 Input 5.00 D-14 RMS 3.88 D-14 NRMS 0.78 share 0.41 count 25 5. OVRO_130 Input 5.00 D-14 RMS 3.36 D-14 NRMS 0.67 share 0.40 count 25 Overall RMS 3.32 D-14 NRMS 0.66 share 0.44 count 75 418. UT1-TAI 1, 1982.06.17-06:56:00.000 -2.1045 ms/d 191.06 micros/d 93.32 micros/d 91.99 micros/d EOP epoch (TDT) MJD: 45137.289261 NUT epoch (TDT) MJD: 45137.186165 419. Nutation DPSI wrt apriori model 1982.06.17-06:55:28.776 -1.347 mas 1764.6 microasec 1739.4 microasec Nutation Dx wrt apriori model 1982.06.17-06:55:28.776 -0.537 mas 699.6 microasec 689.6 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.17-06:55:28.776 1.672 mas 1764.6 microasec 1739.4 microasec 420. Nutation DEPS wrt apriori model 1982.06.17-06:55:28.776 0.260 mas 594.1 microasec 585.6 microasec Nutation Dy wrt apriori model 1982.06.17-06:55:28.776 0.258 mas 596.8 microasec 588.3 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.17-06:55:28.776 -0.973 mas 594.1 microasec 585.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0982 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GOLDVENU 1513 to ONSALA60 7213 8024928095.89 32.73 8024928095.89 32.73 175.53 12.16 162.79 49.65 GOLDVENU 1513 to OVRO_130 7207 257587457.69 5.28 257587457.69 5.28 29.13 3.92 -5.96 36.57 GOLDVENU 1513 to WESTFORD 7209 3900445509.73 16.83 3900445509.73 16.83 -23.01 9.60 197.16 49.17 ONSALA60 7213 to OVRO_130 7207 7914131025.10 34.33 7914131025.10 34.33 131.05 12.06 -175.81 51.80 ONSALA60 7213 to WESTFORD 7209 5600741421.35 18.01 5600741421.35 18.01 108.70 9.43 -20.02 48.23 OVRO_130 7207 to WESTFORD 7209 3928579390.16 17.84 3928579390.16 17.84 -57.89 8.74 212.17 52.65 NNT_POS: 3 stations participated in NNT_POS constraints: ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:06 Correlator type: Unknown Experiment code: ast821 Mark-3 db_name: $82JUN17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820617_a Ver 2 ast821 Matrix Condition Number = 2.838823615408333E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms ONSALA60 MET 13.9 3.6 1013.5 0.5 60.5 2.9 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 19.7 4.3 875.2 0.9 12.7 12.2 WESTFORD MET 17.5 2.0 1005.7 1.0 91.8 44.2 Run 26091-1737 556 Observation Pairs Available Session started on: 2445138.334700 1982.06.17 20:01:58.080 UTC Nominal duration: 82632.960 sec 00 22:57:12.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 167 44.778 ps 0.80 0.9798 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 177 Number of potentially good observations with QC 5-9: 177 Number of used observations: 167 ( 94.35%) Number of suppressed observations: 10 ( 5.65%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 39 39 60.465 0.80 19820617_a ast821 1982.06.18-07:30:34.5 BAS_STAT ONSALA60 WESTFORD 46 47 59.051 0.81 19820617_a ast821 1982.06.18-07:30:34.5 BAS_STAT OVRO_130 WESTFORD 82 91 37.097 0.80 19820617_a ast821 1982.06.18-07:30:34.5 BAS_STAT Not included: ONSALA85 OVRO_130 0/ 0 deselected baseline 19820617_a ast821 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820617_a ast821 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 3 3 5 39.551 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0133+476 J0136+4751 9 9 45 111.145 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0229+131 J0231+1322 14 14 26 84.010 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0234+285 J0237+2848 15 17 35 38.301 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0300+470 J0303+4716 13 13 34 49.217 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0420-014 J0423-0120 6 6 10 24.862 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0528+134 J0530+1331 3 7 20 14.792 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0723-008 J0725-0054 0 0 9 0.000 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0742+103 J0745+1011 1 1 8 60.665 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 0814+425 J0818+4222 4 4 19 60.521 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1055+018 J1058+0133 2 2 6 122.374 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1144+402 J1146+3958 4 4 25 47.096 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1308+326 J1310+3220 2 2 17 32.201 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1413+135 J1415+1320 1 1 21 21.940 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1418+546 J1419+5423 9 9 30 38.075 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1538+149 J1540+1447 3 3 18 138.560 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1606+106 J1608+1029 6 6 19 140.001 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1741-038 J1743-0350 5 5 10 104.081 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1749+096 J1751+0939 8 8 20 64.934 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1803+784 J1800+7828 10 11 31 72.164 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1823+568 J1824+5651 4 4 12 94.353 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 1923+210 J1925+2106 6 6 23 110.106 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 2145+067 J2148+0657 4 5 10 129.697 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 3C273B J1229+0203 0 1 14 0.000 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 3C345 J1642+3948 10 10 19 15.745 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 3C418 J2038+5119 13 13 37 57.424 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 3C454.3 J2253+1608 9 10 19 16.583 19820617_a ast821 1982.06.18-07:30:34.560 SRC_STAT: 4C39.25 J0927+3902 3 3 14 62.128 19820617_a ast821 1982.06.18-07:30:34.560 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.18-07:30:02 1. ONSALA60 7213 EURA X Comp 3370605972.27 mm -16.729 mm 18.828 mm 18.637 mm 2. ONSALA60 7213 EURA Y Comp 711917390.63 mm -138.370 mm 31.290 mm 30.973 mm 3. ONSALA60 7213 EURA Z Comp 5349830683.28 mm -82.718 mm 37.450 mm 37.070 mm ONSALA60 7213 U Comp -93.91 mm -93.910 mm 37.316 mm 29.840 mm ONSALA60 7213 E Comp -131.93 mm -131.927 mm 32.915 mm 26.321 mm ONSALA60 7213 N Comp -6.69 mm -6.694 mm 16.129 mm 12.897 mm 4. ONSALA60 CL 0 1982.06.17-20:01:25.896 49067.756 ns 0.852 ns 0.843 ns 5. ONSALA60 CL 1 1982.06.17-20:01:25.896 203.275 D-14 3.412 D-14 3.377 D-14 6. ONSALA60 CL 2 1982.06.17-20:01:25.896 1.598 D-14/day 2.928 D-14/day 2.898 D-14/day 30. ONSALA60 AT 0 1982.06.17-20:01:25.896 46.935 ps 77.146 ps 76.363 ps ONSALA60 Atm 1982.06.18-07:31:58.080 Avg: 11.736 ps Rms: 27.725 ps Tot_Rms: 30.107 ps || Nat: 144 Dura: 82630.0 sec Tzd_avg: 7930.1 Tzd_rms: 21.3 Wzd_avg: 269.5 Wzd_rms: 22.2 ps Prs_avg: 101348. Pa Tem_avg: 13.9 C Stm_avg: 0.1 C Stm_rms: 1.4 K Spr_avg: 202. Spr_rms: 26. Pa 100. ONSALA60 NG 1982.06.17-20:00:25.896 0.005 mm 0.422 mm 0.418 mm 101. ONSALA60 EG 1982.06.17-20:00:25.896 0.004 mm 0.422 mm 0.418 mm 102. ONSALA60 NG 1982.06.18-04:00:25.896 -0.004 mm 0.377 mm 0.373 mm 103. ONSALA60 EG 1982.06.18-04:00:25.896 -0.006 mm 0.377 mm 0.373 mm 104. ONSALA60 NG 1982.06.18-12:00:25.896 0.004 mm 0.377 mm 0.373 mm 105. ONSALA60 EG 1982.06.18-12:00:25.896 0.002 mm 0.377 mm 0.373 mm 106. ONSALA60 NG 1982.06.18-20:00:25.896 -0.002 mm 0.422 mm 0.418 mm 107. ONSALA60 EG 1982.06.18-20:00:25.896 -0.000 mm 0.422 mm 0.418 mm 108. OVRO_130 7207 NOAM X Comp -2409600851.69 mm 35.306 mm 13.297 mm 13.162 mm 109. OVRO_130 7207 NOAM Y Comp -4478349541.53 mm -77.534 mm 38.739 mm 38.346 mm 110. OVRO_130 7207 NOAM Z Comp 3838603332.86 mm 144.861 mm 35.832 mm 35.469 mm OVRO_130 7207 U Comp 128.69 mm 128.690 mm 46.774 mm 37.402 mm OVRO_130 7207 E Comp 67.83 mm 67.828 mm 23.999 mm 19.191 mm OVRO_130 7207 N Comp 84.15 mm 84.149 mm 14.062 mm 11.245 mm 111. OVRO_130 CL 0 1982.06.17-20:01:25.896 1520.228 ns 0.703 ns 0.696 ns 112. OVRO_130 CL 1 1982.06.17-20:01:25.896 25.077 D-14 2.563 D-14 2.537 D-14 113. OVRO_130 CL 2 1982.06.17-20:01:25.896 2.047 D-14/day 2.584 D-14/day 2.558 D-14/day 137. OVRO_130 AT 0 1982.06.17-20:01:25.896 -141.324 ps 67.440 ps 66.756 ps OVRO_130 Atm 1982.06.18-07:31:58.080 Avg: -78.280 ps Rms: 50.104 ps Tot_Rms: 92.942 ps || Nat: 133 Dura: 73800.0 sec Tzd_avg: 7203.1 Tzd_rms: 60.5 Wzd_avg: 577.3 Wzd_rms: 50.8 ps Prs_avg: 87515. Pa Tem_avg: 20.0 C Stm_avg: -2.0 C Stm_rms: 1.3 K Spr_avg: 23. Spr_rms: 116. Pa 207. OVRO_130 NG 1982.06.17-20:00:25.896 -0.002 mm 0.422 mm 0.418 mm 208. OVRO_130 EG 1982.06.17-20:00:25.896 0.011 mm 0.422 mm 0.418 mm 209. OVRO_130 NG 1982.06.18-04:00:25.896 0.011 mm 0.377 mm 0.373 mm 210. OVRO_130 EG 1982.06.18-04:00:25.896 0.018 mm 0.377 mm 0.373 mm 211. OVRO_130 NG 1982.06.18-12:00:25.896 -0.016 mm 0.377 mm 0.373 mm 212. OVRO_130 EG 1982.06.18-12:00:25.896 0.006 mm 0.377 mm 0.373 mm 213. OVRO_130 NG 1982.06.18-20:00:25.896 -0.007 mm 0.422 mm 0.418 mm 214. OVRO_130 EG 1982.06.18-20:00:25.896 -0.005 mm 0.422 mm 0.418 mm 215. WESTFORD 7209 NOAM X Comp 1492206524.42 mm -18.577 mm 20.570 mm 20.362 mm 216. WESTFORD 7209 NOAM Y Comp -4458130306.10 mm 215.905 mm 55.779 mm 55.213 mm 217. WESTFORD 7209 NOAM Z Comp 4296015484.86 mm -62.144 mm 53.996 mm 53.449 mm WESTFORD 7209 U Comp -197.09 mm -197.091 mm 79.150 mm 63.291 mm WESTFORD 7209 E Comp 50.91 mm 50.913 mm 10.748 mm 8.595 mm WESTFORD 7209 N Comp 96.88 mm 96.876 mm 8.361 mm 6.685 mm 218. WESTFORD AT 0 1982.06.17-20:01:25.896 234.187 ps 238.256 ps 235.839 ps WESTFORD Atm 1982.06.18-07:31:58.080 Avg: 255.168 ps Rms: 26.406 ps Tot_Rms: 256.530 ps || Nat: 161 Dura: 82630.0 sec Tzd_avg: 8169.8 Tzd_rms: 95.0 Wzd_avg: 612.6 Wzd_rms: 109.1 ps Prs_avg: 100562. Pa Tem_avg: 17.8 C Stm_avg: -0.5 C Stm_rms: 1.6 K Spr_avg: 758. Spr_rms: 51. Pa 288. WESTFORD NG 1982.06.17-20:00:25.896 -0.008 mm 0.422 mm 0.418 mm 289. WESTFORD EG 1982.06.17-20:00:25.896 -0.006 mm 0.422 mm 0.418 mm 290. WESTFORD NG 1982.06.18-04:00:25.896 0.004 mm 0.377 mm 0.373 mm 291. WESTFORD EG 1982.06.18-04:00:25.896 -0.020 mm 0.377 mm 0.373 mm 292. WESTFORD NG 1982.06.18-12:00:25.896 0.025 mm 0.377 mm 0.373 mm 293. WESTFORD EG 1982.06.18-12:00:25.896 0.003 mm 0.377 mm 0.373 mm 294. WESTFORD NG 1982.06.18-20:00:25.896 0.009 mm 0.422 mm 0.418 mm 295. WESTFORD EG 1982.06.18-20:00:25.896 0.010 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. ONSALA60 Input 50.00 ps/h RMS 13.58 ps/h NRMS 0.27 share 0.88 count 70 3. OVRO_130 Input 50.00 ps/h RMS 12.83 ps/h NRMS 0.26 share 0.89 count 70 4. WESTFORD Input 50.00 ps/h RMS 8.93 ps/h NRMS 0.18 share 0.95 count 70 Overall RMS 11.95 ps/h NRMS 0.24 share 0.91 count 210 Gradient Constraint Statistics 1. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. ONSALA60 Input 5.00 D-14 RMS 1.77 D-14 NRMS 0.35 share 0.54 count 24 3. OVRO_130 Input 5.00 D-14 RMS 1.87 D-14 NRMS 0.37 share 0.40 count 24 Overall RMS 1.82 D-14 NRMS 0.36 share 0.47 count 48 296. UT1-TAI 1, 1982.06.18-07:30:00.000 -2.2763 ms/d -55.26 micros/d 190.94 micros/d 189.00 micros/d EOP epoch (TDT) MJD: 45138.312873 NUT epoch (TDT) MJD: 45138.344605 297. Nutation DPSI wrt apriori model 1982.06.18-07:30:02.376 1.584 mas 1942.8 microasec 1923.1 microasec Nutation Dx wrt apriori model 1982.06.18-07:30:02.376 0.630 mas 770.0 microasec 762.2 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.18-07:30:02.376 4.214 mas 1942.8 microasec 1923.1 microasec 298. Nutation DEPS wrt apriori model 1982.06.18-07:30:02.376 -0.122 mas 739.8 microasec 732.3 microasec Nutation Dy wrt apriori model 1982.06.18-07:30:02.376 -0.120 mas 742.8 microasec 735.3 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.18-07:30:02.376 -1.263 mas 739.8 microasec 732.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1255 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) ONSALA60 7213 to OVRO_130 7207 7914131023.66 32.26 7914131023.66 32.26 81.75 21.14 -191.81 58.80 ONSALA60 7213 to WESTFORD 7209 5600741392.40 52.41 5600741392.40 52.41 83.78 11.76 99.15 111.92 OVRO_130 7207 to WESTFORD 7209 3928579322.68 36.16 3928579322.68 36.16 -51.50 9.71 351.31 121.18 NNT_POS: 5 stations participated in NNT_POS constraints: HAYSTACK MARPOINT ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:09 Correlator type: Unknown Experiment code: xal822 Mark-3 db_name: $82JUN18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820618_a Ver 2 xal822 Matrix Condition Number = 4.117916030487925E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | MARPOINT: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for MARPOINT is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 18.9 2.8 1004.6 2.0 30.0 15.0 MARPOINT MET -999.0 0.0 -999.0 0.0-99900.0 0.0 ONSALA60 MET 14.3 4.5 1010.7 0.7 57.9 3.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 20.1 5.7 876.8 1.6 16.0 3.0 WESTFORD MET 18.6 2.9 1004.9 1.6 30.0 23.1 Run 26091-1737 1617 Observation Pairs Available Session started on: 2445139.334700 1982.06.18 20:01:58.080 UTC Nominal duration: 86883.840 sec 01 00:08:03.840 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 811 26.217 ps 0.86 0.9941 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 875 Number of potentially good observations with QC 5-9: 875 Number of used observations: 811 ( 92.69%) Number of suppressed observations: 64 ( 7.31%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK MARPOINT 104 120 12.377 0.75 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT HAYSTACK ONSALA60 154 155 43.728 0.86 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT HAYSTACK OVRO_130 60 67 17.274 0.74 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT HAYSTACK WESTFORD 104 129 21.360 0.81 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT MARPOINT ONSALA60 53 54 66.242 0.93 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT MARPOINT OVRO_130 48 50 36.051 0.89 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT MARPOINT WESTFORD 95 103 51.265 0.95 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 54 54 42.391 0.87 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT ONSALA60 WESTFORD 82 82 82.943 0.95 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT OVRO_130 WESTFORD 57 61 25.796 0.82 19820618_a xal822 1982.06.19-08:06:00.0 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19820618_a xal822 MARPOINT ONSALA85 0/ 0 deselected baseline 19820618_a xal822 ONSALA85 OVRO_130 0/ 0 deselected baseline 19820618_a xal822 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820618_a xal822 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 51 53 91 40.588 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 0212+735 J0217+7349 112 131 262 46.315 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 0528+134 J0530+1331 19 28 80 14.949 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 0552+398 J0555+3948 75 82 174 24.568 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 2216-038 J2218-0335 45 45 70 30.949 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 3C273B J1229+0203 36 41 78 18.583 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 3C345 J1642+3948 133 136 213 16.539 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 3C454.3 J2253+1608 63 65 103 14.506 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: 4C39.25 J0927+3902 75 82 162 32.814 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: OJ287 J0854+2006 44 45 92 26.159 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: OQ208 J1407+2827 66 72 117 46.703 19820618_a xal822 1982.06.19-08:06:00.000 SRC_STAT: VR422201 J2202+4216 92 95 175 44.425 19820618_a xal822 1982.06.19-08:06:00.000 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.19-08:05:27 1. HAYSTACK 7205 NOAM X Comp 1492404691.07 mm -4.930 mm 3.093 mm 3.084 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266433.46 mm 101.540 mm 5.678 mm 5.661 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881778.30 mm -15.701 mm 6.499 mm 6.480 mm HAYSTACK 7205 U Comp -82.63 mm -82.634 mm 8.463 mm 7.261 mm HAYSTACK 7205 E Comp 27.56 mm 27.564 mm 2.740 mm 2.351 mm HAYSTACK 7205 N Comp 54.71 mm 54.709 mm 2.218 mm 1.903 mm 4. HAYSTACK CL 0 1982.06.18-20:01:25.896 8587.890 ns 0.057 ns 0.056 ns 5. HAYSTACK CL 1 1982.06.18-20:01:25.896 91.047 D-14 2.076 D-14 2.070 D-14 6. HAYSTACK CL 2 1982.06.18-20:01:25.896 -2.091 D-14/day 1.852 D-14/day 1.847 D-14/day 32. HAYSTACK AT 0 1982.06.18-20:01:25.896 3.599 ps 30.328 ps 30.238 ps HAYSTACK Atm 1982.06.19-08:31:58.080 Avg: 35.077 ps Rms: 40.714 ps Tot_Rms: 53.741 ps || Nat: 188 Dura: 86880.0 sec Tzd_avg: 8038.3 Tzd_rms: 55.6 Wzd_avg: 508.9 Wzd_rms: 56.8 ps Prs_avg: 100445. Pa Tem_avg: 19.1 C Stm_avg: -2.3 C Stm_rms: 0.9 K Spr_avg: 1056. Spr_rms: 50. Pa 108. HAYSTACK NG 1982.06.18-20:00:25.896 0.085 mm 0.418 mm 0.417 mm 109. HAYSTACK EG 1982.06.18-20:00:25.896 -0.081 mm 0.416 mm 0.415 mm 110. HAYSTACK NG 1982.06.19-04:00:25.896 -0.006 mm 0.375 mm 0.374 mm 111. HAYSTACK EG 1982.06.19-04:00:25.896 0.039 mm 0.372 mm 0.371 mm 112. HAYSTACK NG 1982.06.19-12:00:25.896 -0.087 mm 0.374 mm 0.372 mm 113. HAYSTACK EG 1982.06.19-12:00:25.896 0.122 mm 0.368 mm 0.367 mm 114. HAYSTACK NG 1982.06.19-20:00:25.896 -0.095 mm 0.420 mm 0.418 mm 115. HAYSTACK EG 1982.06.19-20:00:25.896 -0.108 mm 0.415 mm 0.414 mm 116. MARPOINT 7217 NOAM X Comp 1106629253.89 mm 0.892 mm 3.561 mm 3.550 mm 117. MARPOINT 7217 NOAM Y Comp -4882907127.95 mm 29.050 mm 9.863 mm 9.834 mm 118. MARPOINT 7217 NOAM Z Comp 3938087025.74 mm 75.737 mm 9.095 mm 9.068 mm MARPOINT 7217 U Comp 24.96 mm 24.960 mm 13.210 mm 11.333 mm MARPOINT 7217 E Comp 7.29 mm 7.291 mm 2.852 mm 2.447 mm MARPOINT 7217 N Comp 76.84 mm 76.842 mm 3.171 mm 2.721 mm 119. MARPOINT CL 0 1982.06.18-20:01:25.896 383.578 ns 0.093 ns 0.092 ns 120. MARPOINT CL 1 1982.06.18-20:01:25.896 69.201 D-14 2.068 D-14 2.061 D-14 121. MARPOINT CL 2 1982.06.18-20:01:25.896 3.258 D-14/day 1.827 D-14/day 1.822 D-14/day 147. MARPOINT AT 0 1982.06.18-20:01:25.896 -81.246 ps 39.550 ps 39.432 ps MARPOINT Atm 1982.06.19-08:31:58.080 Avg: -73.756 ps Rms: 55.165 ps Tot_Rms: 92.104 ps || Nat: 143 Dura: 86880.0 sec Tzd_avg: 8317.1 Tzd_rms: 25.1 Wzd_avg: 695.6 Wzd_rms: 36.4 ps Prs_avg: 101486. Pa Tem_avg: 15.1 C Stm_avg: -7.3 C Stm_rms: 3.2 K Spr_avg: 830. Spr_rms: 259. Pa 223. MARPOINT NG 1982.06.18-20:00:25.896 -0.074 mm 0.419 mm 0.418 mm 224. MARPOINT EG 1982.06.18-20:00:25.896 0.021 mm 0.418 mm 0.417 mm 225. MARPOINT NG 1982.06.19-04:00:25.896 -0.026 mm 0.376 mm 0.375 mm 226. MARPOINT EG 1982.06.19-04:00:25.896 -0.053 mm 0.374 mm 0.373 mm 227. MARPOINT NG 1982.06.19-12:00:25.896 0.033 mm 0.375 mm 0.373 mm 228. MARPOINT EG 1982.06.19-12:00:25.896 -0.063 mm 0.374 mm 0.372 mm 229. MARPOINT NG 1982.06.19-20:00:25.896 0.010 mm 0.421 mm 0.420 mm 230. MARPOINT EG 1982.06.19-20:00:25.896 0.056 mm 0.417 mm 0.416 mm 231. ONSALA60 7213 EURA X Comp 3370605958.90 mm -30.102 mm 8.032 mm 8.008 mm 232. ONSALA60 7213 EURA Y Comp 711917368.54 mm -160.462 mm 7.438 mm 7.416 mm 233. ONSALA60 7213 EURA Z Comp 5349830601.49 mm -164.508 mm 13.754 mm 13.713 mm ONSALA60 7213 U Comp -172.32 mm -172.322 mm 14.898 mm 12.782 mm ONSALA60 7213 E Comp -150.78 mm -150.778 mm 8.218 mm 7.051 mm ONSALA60 7213 N Comp -35.90 mm -35.897 mm 4.418 mm 3.790 mm 234. ONSALA60 CL 0 1982.06.18-20:01:25.896 49244.011 ns 0.127 ns 0.127 ns 235. ONSALA60 CL 1 1982.06.18-20:01:25.896 216.734 D-14 2.110 D-14 2.104 D-14 236. ONSALA60 CL 2 1982.06.18-20:01:25.896 -2.902 D-14/day 1.869 D-14/day 1.863 D-14/day 262. ONSALA60 AT 0 1982.06.18-20:01:25.896 -2.031 ps 24.497 ps 24.424 ps ONSALA60 Atm 1982.06.19-08:31:58.080 Avg: 6.975 ps Rms: 33.059 ps Tot_Rms: 33.787 ps || Nat: 202 Dura: 86880.0 sec Tzd_avg: 7929.0 Tzd_rms: 30.0 Wzd_avg: 290.4 Wzd_rms: 33.1 ps Prs_avg: 101072. Pa Tem_avg: 14.1 C Stm_avg: -0.2 C Stm_rms: 2.6 K Spr_avg: 207. Spr_rms: 28. Pa 338. ONSALA60 NG 1982.06.18-20:00:25.896 -0.020 mm 0.419 mm 0.418 mm 339. ONSALA60 EG 1982.06.18-20:00:25.896 0.005 mm 0.421 mm 0.420 mm 340. ONSALA60 NG 1982.06.19-04:00:25.896 -0.003 mm 0.376 mm 0.374 mm 341. ONSALA60 EG 1982.06.19-04:00:25.896 0.014 mm 0.377 mm 0.375 mm 342. ONSALA60 NG 1982.06.19-12:00:25.896 0.005 mm 0.376 mm 0.375 mm 343. ONSALA60 EG 1982.06.19-12:00:25.896 0.001 mm 0.377 mm 0.375 mm 344. ONSALA60 NG 1982.06.19-20:00:25.896 0.012 mm 0.422 mm 0.421 mm 345. ONSALA60 EG 1982.06.19-20:00:25.896 0.019 mm 0.422 mm 0.421 mm 346. OVRO_130 7207 NOAM X Comp -2409600858.09 mm 28.911 mm 5.233 mm 5.217 mm 347. OVRO_130 7207 NOAM Y Comp -4478349544.32 mm -80.318 mm 11.660 mm 11.626 mm 348. OVRO_130 7207 NOAM Z Comp 3838603294.34 mm 106.341 mm 12.593 mm 12.555 mm OVRO_130 7207 U Comp 109.75 mm 109.748 mm 16.534 mm 14.185 mm OVRO_130 7207 E Comp 63.52 mm 63.515 mm 4.904 mm 4.207 mm OVRO_130 7207 N Comp 50.16 mm 50.162 mm 4.950 mm 4.247 mm 349. OVRO_130 CL 0 1982.06.18-20:01:25.896 1542.515 ns 0.228 ns 0.227 ns 350. OVRO_130 CL 1 1982.06.18-20:01:25.896 41.811 D-14 2.263 D-14 2.256 D-14 351. OVRO_130 CL 2 1982.06.18-20:01:25.896 -2.613 D-14/day 1.960 D-14/day 1.955 D-14/day 377. OVRO_130 AT 0 1982.06.18-20:01:25.896 -45.788 ps 39.839 ps 39.721 ps OVRO_130 Atm 1982.06.19-08:31:58.080 Avg: -13.022 ps Rms: 35.413 ps Tot_Rms: 37.732 ps || Nat: 80 Dura: 82200.0 sec Tzd_avg: 7208.6 Tzd_rms: 22.3 Wzd_avg: 566.9 Wzd_rms: 17.2 ps Prs_avg: 87686. Pa Tem_avg: 20.2 C Stm_avg: -1.0 C Stm_rms: 3.5 K Spr_avg: -8. Spr_rms: 69. Pa 453. OVRO_130 NG 1982.06.18-20:00:25.896 -0.053 mm 0.422 mm 0.421 mm 454. OVRO_130 EG 1982.06.18-20:00:25.896 0.009 mm 0.422 mm 0.421 mm 455. OVRO_130 NG 1982.06.19-04:00:25.896 -0.029 mm 0.377 mm 0.375 mm 456. OVRO_130 EG 1982.06.19-04:00:25.896 -0.018 mm 0.376 mm 0.375 mm 457. OVRO_130 NG 1982.06.19-12:00:25.896 0.002 mm 0.377 mm 0.376 mm 458. OVRO_130 EG 1982.06.19-12:00:25.896 0.007 mm 0.377 mm 0.376 mm 459. OVRO_130 NG 1982.06.19-20:00:25.896 0.057 mm 0.422 mm 0.421 mm 460. OVRO_130 EG 1982.06.19-20:00:25.896 -0.002 mm 0.422 mm 0.421 mm 461. WESTFORD 7209 NOAM X Comp 1492206548.23 mm 5.230 mm 3.631 mm 3.620 mm 462. WESTFORD 7209 NOAM Y Comp -4458130411.81 mm 110.190 mm 7.092 mm 7.071 mm 463. WESTFORD 7209 NOAM Z Comp 4296015545.13 mm -1.868 mm 7.987 mm 7.964 mm WESTFORD 7209 U Comp -76.94 mm -76.943 mm 10.516 mm 9.022 mm WESTFORD 7209 E Comp 39.93 mm 39.935 mm 2.959 mm 2.539 mm WESTFORD 7209 N Comp 68.25 mm 68.247 mm 2.819 mm 2.419 mm 464. WESTFORD AT 0 1982.06.18-20:01:25.896 15.871 ps 31.564 ps 31.470 ps WESTFORD Atm 1982.06.19-08:31:58.080 Avg: 58.065 ps Rms: 26.710 ps Tot_Rms: 63.914 ps || Nat: 195 Dura: 81508.0 sec Tzd_avg: 8066.6 Tzd_rms: 54.0 Wzd_avg: 507.8 Wzd_rms: 53.5 ps Prs_avg: 100493. Pa Tem_avg: 18.8 C Stm_avg: -2.4 C Stm_rms: 0.9 K Spr_avg: 716. Spr_rms: 47. Pa 540. WESTFORD NG 1982.06.18-20:00:25.896 0.022 mm 0.420 mm 0.419 mm 541. WESTFORD EG 1982.06.18-20:00:25.896 0.062 mm 0.419 mm 0.418 mm 542. WESTFORD NG 1982.06.19-04:00:25.896 0.014 mm 0.376 mm 0.375 mm 543. WESTFORD EG 1982.06.19-04:00:25.896 0.017 mm 0.375 mm 0.374 mm 544. WESTFORD NG 1982.06.19-12:00:25.896 0.002 mm 0.375 mm 0.374 mm 545. WESTFORD EG 1982.06.19-12:00:25.896 -0.098 mm 0.371 mm 0.370 mm 546. WESTFORD NG 1982.06.19-20:00:25.896 -0.022 mm 0.422 mm 0.421 mm 547. WESTFORD EG 1982.06.19-20:00:25.896 -0.026 mm 0.421 mm 0.419 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 21.43 ps/h NRMS 0.43 share 0.65 count 76 2. MARPOINT Input 50.00 ps/h RMS 22.67 ps/h NRMS 0.45 share 0.75 count 76 3. ONSALA60 Input 50.00 ps/h RMS 20.92 ps/h NRMS 0.42 share 0.70 count 76 5. OVRO_130 Input 50.00 ps/h RMS 25.51 ps/h NRMS 0.51 share 0.76 count 76 6. WESTFORD Input 50.00 ps/h RMS 19.22 ps/h NRMS 0.38 share 0.73 count 76 Overall RMS 22.05 ps/h NRMS 0.44 share 0.72 count 380 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.37 mm/d NRMS 0.18 share 0.52 count 8 2. MARPOINT Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.53 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.53 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 6. WESTFORD Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 Overall RMS 0.21 mm/d NRMS 0.10 share 0.53 count 40 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 2.67 D-14 NRMS 0.53 share 0.20 count 26 2. MARPOINT Input 5.00 D-14 RMS 3.73 D-14 NRMS 0.75 share 0.20 count 26 3. ONSALA60 Input 5.00 D-14 RMS 3.06 D-14 NRMS 0.61 share 0.25 count 26 5. OVRO_130 Input 5.00 D-14 RMS 2.94 D-14 NRMS 0.59 share 0.27 count 26 Overall RMS 3.13 D-14 NRMS 0.63 share 0.23 count 104 548. UT1-TAI 1, 1982.06.19-08:06:00.000 -2.1354 ms/d -91.20 micros/d 36.33 micros/d 36.22 micros/d EOP epoch (TDT) MJD: 45139.337873 NUT epoch (TDT) MJD: 45139.289926 549. Nutation DPSI wrt apriori model 1982.06.19-08:05:27.816 -1.098 mas 756.1 microasec 753.8 microasec Nutation Dx wrt apriori model 1982.06.19-08:05:27.816 -0.435 mas 299.8 microasec 298.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.19-08:05:27.816 1.117 mas 756.1 microasec 753.8 microasec 550. Nutation DEPS wrt apriori model 1982.06.19-08:05:27.816 -0.356 mas 242.8 microasec 242.1 microasec Nutation Dy wrt apriori model 1982.06.19-08:05:27.816 -0.357 mas 244.0 microasec 243.3 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.19-08:05:27.816 -1.410 mas 242.8 microasec 242.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0306 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to MARPOINT 7217 677293409.98 2.95 677293409.98 2.95 26.47 2.23 -113.63 15.06 HAYSTACK 7205 to ONSALA60 7213 5599714493.22 7.08 5599714493.22 7.08 106.81 3.36 50.73 21.51 HAYSTACK 7205 to OVRO_130 7207 3928881643.94 6.17 3928881643.94 6.17 -36.56 4.26 -213.49 22.26 HAYSTACK 7205 to WESTFORD 7209 1239386.57 3.16 1239386.57 3.16 -6.43 2.13 -5.30 11.15 MARPOINT 7217 to ONSALA60 7213 6198441061.35 9.84 6198441061.35 9.84 134.62 3.81 142.33 24.42 MARPOINT 7217 to OVRO_130 7207 3540824487.56 6.85 3540824487.56 6.85 -44.29 5.36 -100.13 25.43 MARPOINT 7217 to WESTFORD 7209 676178921.20 3.90 676178921.20 3.90 24.73 2.86 108.91 17.46 ONSALA60 7213 to OVRO_130 7207 7914130997.63 12.78 7914130997.63 12.78 104.33 5.69 -225.08 23.70 ONSALA60 7213 to WESTFORD 7209 5600741430.39 7.87 5600741430.39 7.87 106.95 3.71 -63.87 22.70 OVRO_130 7207 to WESTFORD 7209 3928579363.65 6.71 3928579363.65 6.71 -51.59 4.73 211.35 23.36 NNT_POS: 5 stations participated in NNT_POS constraints: HAYSTACK MARPOINT ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:12 Correlator type: Unknown Experiment code: xal823 Mark-3 db_name: $82JUN19XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820619_a Ver 2 xal823 Matrix Condition Number = 3.070717314525828E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | MARPOINT: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for MARPOINT is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 16.1 1.5 996.9 1.5 83.8 43.4 MARPOINT MET -999.0 0.0 -999.0 0.0-99900.0 0.0 ONSALA60 MET 14.3 4.0 1010.0 0.3 64.6 3.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 18.2 5.7 878.0 0.8 26.1 3.7 WESTFORD MET 16.1 1.5 997.0 1.5 83.8 43.4 Run 26091-1737 1707 Observation Pairs Available Session started on: 2445140.376400 1982.06.19 21:02:00.960 UTC Nominal duration: 87134.400 sec 01 00:12:14.400 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 618 26.157 ps 0.84 0.9663 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 784 Number of potentially good observations with QC 5-9: 784 Number of used observations: 618 ( 78.83%) Number of suppressed observations: 166 ( 21.17%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK MARPOINT 136 138 29.633 0.86 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT HAYSTACK ONSALA60 175 175 44.266 0.81 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT HAYSTACK OVRO_130 21 34 23.269 0.78 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT HAYSTACK WESTFORD 45 170 7.809 0.64 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT MARPOINT ONSALA60 45 45 76.674 0.93 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT MARPOINT OVRO_130 13 24 8.871 0.62 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT MARPOINT WESTFORD 96 99 39.115 0.89 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 11 11 77.294 0.91 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT ONSALA60 WESTFORD 57 57 87.747 0.93 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT OVRO_130 WESTFORD 19 31 28.886 0.78 19820619_a xal823 1982.06.20-09:08:08.1 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19820619_a xal823 MARPOINT ONSALA85 0/ 0 deselected baseline 19820619_a xal823 ONSALA85 OVRO_130 0/ 0 deselected baseline 19820619_a xal823 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820619_a xal823 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 40 47 84 50.267 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 0212+735 J0217+7349 58 86 257 72.460 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 0528+134 J0530+1331 36 49 102 32.088 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 0552+398 J0555+3948 67 102 192 33.654 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 2216-038 J2218-0335 25 30 65 35.243 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 3C273B J1229+0203 47 50 75 9.920 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 3C345 J1642+3948 66 78 216 27.750 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 3C454.3 J2253+1608 49 54 110 14.520 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: 4C39.25 J0927+3902 79 96 192 32.206 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: OJ287 J0854+2006 54 63 120 32.753 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: OQ208 J1407+2827 49 62 130 60.650 19820619_a xal823 1982.06.20-09:08:08.160 SRC_STAT: VR422201 J2202+4216 48 67 164 54.138 19820619_a xal823 1982.06.20-09:08:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.20-09:07:35 1. HAYSTACK 7205 NOAM X Comp 1492404683.37 mm -12.627 mm 4.677 mm 4.597 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266421.05 mm 113.951 mm 10.991 mm 10.804 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881760.95 mm -33.045 mm 10.509 mm 10.330 mm HAYSTACK 7205 U Comp -104.84 mm -104.837 mm 14.486 mm 12.168 mm HAYSTACK 7205 E Comp 24.21 mm 24.206 mm 5.684 mm 4.774 mm HAYSTACK 7205 N Comp 51.57 mm 51.572 mm 3.308 mm 2.779 mm 4. HAYSTACK AT 0 1982.06.19-21:01:28.776 122.549 ps 43.132 ps 42.398 ps HAYSTACK Atm 1982.06.20-09:32:00.960 Avg: -18.933 ps Rms: 70.129 ps Tot_Rms: 72.640 ps || Nat: 207 Dura: 87138.0 sec Tzd_avg: 7970.8 Tzd_rms: 192.0 Wzd_avg: 501.2 Wzd_rms: 209.2 ps Prs_avg: 99685. Pa Tem_avg: 16.0 C Stm_avg: -1.4 C Stm_rms: 1.1 K Spr_avg: 1088. Spr_rms: 44. Pa 80. HAYSTACK NG 1982.06.19-21:00:28.776 0.083 mm 0.420 mm 0.413 mm 81. HAYSTACK EG 1982.06.19-21:00:28.776 0.009 mm 0.419 mm 0.412 mm 82. HAYSTACK NG 1982.06.20-05:00:28.776 0.014 mm 0.376 mm 0.370 mm 83. HAYSTACK EG 1982.06.20-05:00:28.776 0.017 mm 0.375 mm 0.368 mm 84. HAYSTACK NG 1982.06.20-13:00:28.776 -0.074 mm 0.375 mm 0.369 mm 85. HAYSTACK EG 1982.06.20-13:00:28.776 -0.014 mm 0.375 mm 0.369 mm 86. HAYSTACK NG 1982.06.20-21:00:28.776 -0.056 mm 0.420 mm 0.413 mm 87. HAYSTACK EG 1982.06.20-21:00:28.776 -0.026 mm 0.418 mm 0.411 mm 88. MARPOINT 7217 NOAM X Comp 1106629258.02 mm 5.022 mm 4.963 mm 4.879 mm 89. MARPOINT 7217 NOAM Y Comp -4882907140.63 mm 16.371 mm 15.017 mm 14.762 mm 90. MARPOINT 7217 NOAM Z Comp 3938087020.83 mm 70.834 mm 12.841 mm 12.623 mm MARPOINT 7217 U Comp 32.33 mm 32.326 mm 19.265 mm 16.181 mm MARPOINT 7217 E Comp 8.52 mm 8.516 mm 5.208 mm 4.375 mm MARPOINT 7217 N Comp 64.75 mm 64.755 mm 4.097 mm 3.442 mm 91. MARPOINT CL 0 1982.06.19-21:01:28.776 -8218.807 ns 0.118 ns 0.116 ns 92. MARPOINT CL 1 1982.06.19-21:01:28.776 -13.735 D-14 2.035 D-14 2.000 D-14 93. MARPOINT CL 2 1982.06.19-21:01:28.776 -7.687 D-14/day 1.728 D-14/day 1.698 D-14/day 119. MARPOINT AT 0 1982.06.19-21:01:28.776 -91.346 ps 57.526 ps 56.548 ps MARPOINT Atm 1982.06.20-09:32:00.960 Avg: -80.264 ps Rms: 54.695 ps Tot_Rms: 97.128 ps || Nat: 150 Dura: 87138.0 sec Tzd_avg: 8215.1 Tzd_rms: 205.6 Wzd_avg: 581.8 Wzd_rms: 232.3 ps Prs_avg: 101486. Pa Tem_avg: 15.1 C Stm_avg: -7.4 C Stm_rms: 2.9 K Spr_avg: 729. Spr_rms: 287. Pa 195. MARPOINT NG 1982.06.19-21:00:28.776 -0.084 mm 0.420 mm 0.413 mm 196. MARPOINT EG 1982.06.19-21:00:28.776 -0.010 mm 0.420 mm 0.412 mm 197. MARPOINT NG 1982.06.20-05:00:28.776 0.006 mm 0.376 mm 0.370 mm 198. MARPOINT EG 1982.06.20-05:00:28.776 -0.050 mm 0.375 mm 0.369 mm 199. MARPOINT NG 1982.06.20-13:00:28.776 0.032 mm 0.376 mm 0.370 mm 200. MARPOINT EG 1982.06.20-13:00:28.776 -0.021 mm 0.375 mm 0.369 mm 201. MARPOINT NG 1982.06.20-21:00:28.776 0.024 mm 0.420 mm 0.413 mm 202. MARPOINT EG 1982.06.20-21:00:28.776 0.034 mm 0.418 mm 0.411 mm 203. ONSALA60 7213 EURA X Comp 3370605983.94 mm -5.056 mm 9.512 mm 9.350 mm 204. ONSALA60 7213 EURA Y Comp 711917360.79 mm -168.209 mm 12.621 mm 12.406 mm 205. ONSALA60 7213 EURA Z Comp 5349830589.13 mm -176.870 mm 17.127 mm 16.836 mm ONSALA60 7213 U Comp -170.39 mm -170.394 mm 17.318 mm 14.546 mm ONSALA60 7213 E Comp -163.53 mm -163.533 mm 12.962 mm 10.887 mm ONSALA60 7213 N Comp -61.85 mm -61.853 mm 8.671 mm 7.283 mm 206. ONSALA60 CL 0 1982.06.19-21:01:28.776 40768.735 ns 0.134 ns 0.132 ns 207. ONSALA60 CL 1 1982.06.19-21:01:28.776 126.794 D-14 2.078 D-14 2.042 D-14 208. ONSALA60 CL 2 1982.06.19-21:01:28.776 -6.802 D-14/day 1.782 D-14/day 1.752 D-14/day 234. ONSALA60 AT 0 1982.06.19-21:01:28.776 -37.133 ps 16.802 ps 16.516 ps ONSALA60 Atm 1982.06.20-09:32:00.960 Avg: 8.675 ps Rms: 35.121 ps Tot_Rms: 36.176 ps || Nat: 207 Dura: 87138.0 sec Tzd_avg: 7964.6 Tzd_rms: 25.2 Wzd_avg: 334.4 Wzd_rms: 24.9 ps Prs_avg: 100999. Pa Tem_avg: 14.3 C Stm_avg: -1.4 C Stm_rms: 2.7 K Spr_avg: 224. Spr_rms: 38. Pa 310. ONSALA60 NG 1982.06.19-21:00:28.776 -0.005 mm 0.421 mm 0.414 mm 311. ONSALA60 EG 1982.06.19-21:00:28.776 0.029 mm 0.421 mm 0.414 mm 312. ONSALA60 NG 1982.06.20-05:00:28.776 -0.047 mm 0.376 mm 0.369 mm 313. ONSALA60 EG 1982.06.20-05:00:28.776 -0.024 mm 0.377 mm 0.370 mm 314. ONSALA60 NG 1982.06.20-13:00:28.776 -0.052 mm 0.376 mm 0.369 mm 315. ONSALA60 EG 1982.06.20-13:00:28.776 -0.030 mm 0.377 mm 0.370 mm 316. ONSALA60 NG 1982.06.20-21:00:28.776 0.004 mm 0.422 mm 0.415 mm 317. ONSALA60 EG 1982.06.20-21:00:28.776 0.005 mm 0.422 mm 0.415 mm 318. OVRO_130 7207 NOAM X Comp -2409600862.11 mm 24.886 mm 12.405 mm 12.194 mm 319. OVRO_130 7207 NOAM Y Comp -4478349551.54 mm -87.541 mm 34.616 mm 34.027 mm 320. OVRO_130 7207 NOAM Z Comp 3838603366.54 mm 178.539 mm 31.298 mm 30.766 mm OVRO_130 7207 U Comp 160.01 mm 160.013 mm 45.358 mm 38.098 mm OVRO_130 7207 E Comp 63.39 mm 63.394 mm 11.881 mm 9.980 mm OVRO_130 7207 N Comp 102.64 mm 102.644 mm 11.543 mm 9.695 mm 321. OVRO_130 CL 0 1982.06.19-21:01:28.776 -7089.805 ns 0.233 ns 0.229 ns 322. OVRO_130 CL 1 1982.06.19-21:01:28.776 -51.623 D-14 2.385 D-14 2.344 D-14 323. OVRO_130 CL 2 1982.06.19-21:01:28.776 -2.674 D-14/day 2.166 D-14/day 2.129 D-14/day 349. OVRO_130 AT 0 1982.06.19-21:01:28.776 -34.858 ps 45.434 ps 44.661 ps OVRO_130 Atm 1982.06.20-09:32:00.960 Avg: -41.386 ps Rms: 7.738 ps Tot_Rms: 42.103 ps || Nat: 79 Dura: 86188.0 sec Tzd_avg: 7168.1 Tzd_rms: 71.9 Wzd_avg: 519.5 Wzd_rms: 69.9 ps Prs_avg: 87803. Pa Tem_avg: 18.0 C Stm_avg: -3.0 C Stm_rms: 3.2 K Spr_avg: 36. Spr_rms: 78. Pa 425. OVRO_130 NG 1982.06.19-21:00:28.776 0.015 mm 0.422 mm 0.415 mm 426. OVRO_130 EG 1982.06.19-21:00:28.776 0.000 mm 0.422 mm 0.415 mm 427. OVRO_130 NG 1982.06.20-05:00:28.776 0.001 mm 0.377 mm 0.371 mm 428. OVRO_130 EG 1982.06.20-05:00:28.776 -0.001 mm 0.377 mm 0.371 mm 429. OVRO_130 NG 1982.06.20-13:00:28.776 -0.013 mm 0.377 mm 0.371 mm 430. OVRO_130 EG 1982.06.20-13:00:28.776 -0.005 mm 0.377 mm 0.371 mm 431. OVRO_130 NG 1982.06.20-21:00:28.776 -0.008 mm 0.422 mm 0.415 mm 432. OVRO_130 EG 1982.06.20-21:00:28.776 -0.002 mm 0.422 mm 0.415 mm 433. WESTFORD 7209 NOAM X Comp 1492206530.77 mm -12.225 mm 6.377 mm 6.269 mm 434. WESTFORD 7209 NOAM Y Comp -4458130396.57 mm 125.427 mm 14.970 mm 14.715 mm 435. WESTFORD 7209 NOAM Z Comp 4296015507.54 mm -39.459 mm 14.824 mm 14.572 mm WESTFORD 7209 U Comp -117.10 mm -117.105 mm 20.821 mm 17.489 mm WESTFORD 7209 E Comp 28.22 mm 28.218 mm 5.942 mm 4.991 mm WESTFORD 7209 N Comp 54.12 mm 54.116 mm 3.960 mm 3.326 mm 436. WESTFORD CL 0 1982.06.19-21:01:28.776 -8667.495 ns 0.128 ns 0.126 ns 437. WESTFORD CL 1 1982.06.19-21:01:28.776 -83.404 D-14 2.062 D-14 2.026 D-14 438. WESTFORD CL 2 1982.06.19-21:01:28.776 -4.483 D-14/day 1.746 D-14/day 1.716 D-14/day 464. WESTFORD AT 0 1982.06.19-21:01:28.776 131.669 ps 57.198 ps 56.225 ps WESTFORD Atm 1982.06.20-09:32:00.960 Avg: 5.313 ps Rms: 50.694 ps Tot_Rms: 50.972 ps || Nat: 197 Dura: 87138.0 sec Tzd_avg: 7990.8 Tzd_rms: 188.6 Wzd_avg: 493.9 Wzd_rms: 205.4 ps Prs_avg: 99694. Pa Tem_avg: 16.1 C Stm_avg: -1.7 C Stm_rms: 1.1 K Spr_avg: 739. Spr_rms: 45. Pa 540. WESTFORD NG 1982.06.19-21:00:28.776 -0.060 mm 0.421 mm 0.414 mm 541. WESTFORD EG 1982.06.19-21:00:28.776 -0.014 mm 0.421 mm 0.414 mm 542. WESTFORD NG 1982.06.20-05:00:28.776 -0.001 mm 0.377 mm 0.370 mm 543. WESTFORD EG 1982.06.20-05:00:28.776 0.016 mm 0.376 mm 0.370 mm 544. WESTFORD NG 1982.06.20-13:00:28.776 0.069 mm 0.376 mm 0.370 mm 545. WESTFORD EG 1982.06.20-13:00:28.776 0.017 mm 0.376 mm 0.370 mm 546. WESTFORD NG 1982.06.20-21:00:28.776 0.066 mm 0.421 mm 0.414 mm 547. WESTFORD EG 1982.06.20-21:00:28.776 0.009 mm 0.420 mm 0.413 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 36.68 ps/h NRMS 0.73 share 0.70 count 76 2. MARPOINT Input 50.00 ps/h RMS 23.52 ps/h NRMS 0.47 share 0.81 count 76 3. ONSALA60 Input 50.00 ps/h RMS 19.88 ps/h NRMS 0.40 share 0.71 count 76 5. OVRO_130 Input 50.00 ps/h RMS 7.62 ps/h NRMS 0.15 share 0.94 count 76 6. WESTFORD Input 50.00 ps/h RMS 22.19 ps/h NRMS 0.44 share 0.84 count 76 Overall RMS 23.85 ps/h NRMS 0.48 share 0.80 count 380 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 2. MARPOINT Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.07 share 0.53 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 6. WESTFORD Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 Overall RMS 0.12 mm/d NRMS 0.06 share 0.53 count 40 Clock Constraint Statistics 2. MARPOINT Input 5.00 D-14 RMS 2.40 D-14 NRMS 0.48 share 0.18 count 26 3. ONSALA60 Input 5.00 D-14 RMS 3.02 D-14 NRMS 0.60 share 0.24 count 26 5. OVRO_130 Input 5.00 D-14 RMS 1.05 D-14 NRMS 0.21 share 0.73 count 26 6. WESTFORD Input 5.00 D-14 RMS 2.05 D-14 NRMS 0.41 share 0.27 count 26 Overall RMS 2.25 D-14 NRMS 0.45 share 0.35 count 104 548. UT1-TAI 1, 1982.06.20-09:08:00.000 -1.9842 ms/d -158.45 micros/d 38.93 micros/d 38.26 micros/d EOP epoch (TDT) MJD: 45140.380928 NUT epoch (TDT) MJD: 45140.398045 549. Nutation DPSI wrt apriori model 1982.06.20-09:07:35.976 0.670 mas 1004.7 microasec 987.6 microasec Nutation Dx wrt apriori model 1982.06.20-09:07:35.976 0.266 mas 398.7 microasec 391.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.20-09:07:35.976 2.454 mas 1004.7 microasec 987.6 microasec 550. Nutation DEPS wrt apriori model 1982.06.20-09:07:35.976 0.197 mas 240.5 microasec 236.4 microasec Nutation Dy wrt apriori model 1982.06.20-09:07:35.976 0.198 mas 242.0 microasec 237.9 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.20-09:07:35.976 -0.917 mas 240.5 microasec 236.4 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0144 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to MARPOINT 7217 677293412.42 3.83 677293412.42 3.83 17.32 2.68 -142.51 20.25 HAYSTACK 7205 to ONSALA60 7213 5599714486.53 8.17 5599714486.53 8.17 135.91 3.51 26.01 23.72 HAYSTACK 7205 to OVRO_130 7207 3928881629.95 13.30 3928881629.95 13.30 15.38 12.69 -287.81 57.75 HAYSTACK 7205 to WESTFORD 7209 1239400.31 4.14 1239400.31 4.14 -2.79 3.59 12.34 22.73 MARPOINT 7217 to ONSALA60 7213 6198441071.74 12.36 6198441071.74 12.36 154.85 4.15 141.97 28.52 MARPOINT 7217 to OVRO_130 7207 3540824494.11 12.86 3540824494.11 12.86 18.25 13.28 -145.81 60.05 MARPOINT 7217 to WESTFORD 7209 676178909.13 5.26 676178909.13 5.26 18.16 3.57 155.00 26.44 ONSALA60 7213 to OVRO_130 7207 7914131002.38 32.13 7914131002.38 32.13 152.98 14.10 -299.95 52.71 ONSALA60 7213 to WESTFORD 7209 5600741428.17 11.97 5600741428.17 11.97 134.66 4.65 -16.98 30.72 OVRO_130 7207 to WESTFORD 7209 3928579337.64 14.54 3928579337.64 14.54 12.40 12.89 300.60 60.64 NNT_POS: 5 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:15 Correlator type: Unknown Experiment code: xal824 Mark-3 db_name: $82JUN20XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820620_a Ver 2 xal824 Matrix Condition Number = 1.740787772201268E+08 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: CABL_DEL GION | | HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: CABL_DEL GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 14.4 2.5 1002.2 0.9 22.7 22.8 HRAS_085 MET 16.1 4.2 840.0 0.8 40.7 0.3 ONSALA60 MET 12.1 2.5 1009.4 0.6 69.9 1.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 21.1 5.6 875.8 1.1 16.9 2.0 WESTFORD MET 14.4 2.5 1002.1 1.0 22.7 20.8 Run 26091-1737 1186 Observation Pairs Available Session started on: 2445141.418100 1982.06.20 22:02:03.840 UTC Nominal duration: 75954.240 sec 00 21:05:54.240 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 618 31.404 ps 0.83 0.9609 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 734 Number of potentially good observations with QC 5-9: 734 Number of used observations: 618 ( 84.20%) Number of suppressed observations: 116 ( 15.80%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 68 75 32.745 0.85 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT HAYSTACK ONSALA60 73 88 35.663 0.76 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT HAYSTACK OVRO_130 75 81 33.306 0.84 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT HAYSTACK WESTFORD 81 116 16.159 0.75 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT HRAS_085 ONSALA60 14 23 30.782 0.52 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT HRAS_085 OVRO_130 68 79 27.320 0.81 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT HRAS_085 WESTFORD 57 63 71.903 0.94 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 43 54 69.892 0.88 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT ONSALA60 WESTFORD 65 76 70.030 0.91 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT OVRO_130 WESTFORD 74 79 35.720 0.85 19820620_a xal824 1982.06.21-08:35:00.9 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19820620_a xal824 HRAS_085 ONSALA85 0/ 0 deselected baseline 19820620_a xal824 ONSALA85 OVRO_130 0/ 0 deselected baseline 19820620_a xal824 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820620_a xal824 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 45 51 64 38.524 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 0212+735 J0217+7349 69 78 138 52.625 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 0234+285 J0237+2848 47 49 68 40.912 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 0552+398 J0555+3948 40 53 81 39.941 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 1637+574 J1638+5720 51 58 139 60.896 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 2134+00 J2136+0041 34 38 56 26.930 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 3C273B J1229+0203 36 41 46 18.508 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 3C345 J1642+3948 58 76 119 18.799 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 3C454.3 J2253+1608 54 60 80 16.447 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: 4C39.25 J0927+3902 30 36 68 47.203 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: NRAO150 J0359+5057 37 60 94 31.740 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: OJ287 J0854+2006 18 22 32 49.050 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: OQ208 J1407+2827 45 51 90 27.350 19820620_a xal824 1982.06.21-08:35:00.960 SRC_STAT: VR422201 J2202+4216 54 61 111 43.704 19820620_a xal824 1982.06.21-08:35:00.960 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.21-08:34:28 1. HAYSTACK 7205 NOAM X Comp 1492404692.71 mm -3.293 mm 3.936 mm 3.858 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266436.23 mm 98.765 mm 8.335 mm 8.171 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881759.00 mm -35.004 mm 8.198 mm 8.036 mm HAYSTACK 7205 U Comp -93.39 mm -93.386 mm 11.040 mm 9.191 mm HAYSTACK 7205 E Comp 28.24 mm 28.236 mm 4.621 mm 3.847 mm HAYSTACK 7205 N Comp 38.37 mm 38.373 mm 2.987 mm 2.487 mm 4. HAYSTACK CL 0 1982.06.20-22:01:31.656 8746.623 ns 0.078 ns 0.077 ns 5. HAYSTACK CL 1 1982.06.20-22:01:31.656 93.451 D-14 2.239 D-14 2.195 D-14 6. HAYSTACK CL 2 1982.06.20-22:01:31.656 3.110 D-14/day 2.266 D-14/day 2.221 D-14/day 29. HAYSTACK AT 0 1982.06.20-22:01:31.656 -56.276 ps 30.283 ps 29.684 ps HAYSTACK Atm 1982.06.21-09:02:03.840 Avg: -11.401 ps Rms: 52.738 ps Tot_Rms: 53.956 ps || Nat: 134 Dura: 73138.0 sec Tzd_avg: 7940.2 Tzd_rms: 54.5 Wzd_avg: 427.0 Wzd_rms: 57.6 ps Prs_avg: 100216. Pa Tem_avg: 14.4 C Stm_avg: -1.4 C Stm_rms: 2.0 K Spr_avg: 1079. Spr_rms: 40. Pa 96. HAYSTACK NG 1982.06.20-22:00:31.656 0.043 mm 0.420 mm 0.412 mm 97. HAYSTACK EG 1982.06.20-22:00:31.656 0.078 mm 0.415 mm 0.407 mm 98. HAYSTACK NG 1982.06.21-06:00:31.656 0.130 mm 0.375 mm 0.368 mm 99. HAYSTACK EG 1982.06.21-06:00:31.656 0.081 mm 0.365 mm 0.358 mm 100. HAYSTACK NG 1982.06.21-14:00:31.656 0.092 mm 0.374 mm 0.366 mm 101. HAYSTACK EG 1982.06.21-14:00:31.656 -0.135 mm 0.371 mm 0.363 mm 102. HAYSTACK NG 1982.06.21-22:00:31.656 0.087 mm 0.421 mm 0.413 mm 103. HAYSTACK EG 1982.06.21-22:00:31.656 -0.066 mm 0.421 mm 0.412 mm 104. HRAS_085 7216 NOAM X Comp -1324211084.57 mm -67.567 mm 5.392 mm 5.286 mm 105. HRAS_085 7216 NOAM Y Comp -5332023049.52 mm 32.476 mm 16.205 mm 15.885 mm 106. HRAS_085 7216 NOAM Z Comp 3232118460.74 mm 153.742 mm 11.026 mm 10.808 mm HRAS_085 7216 U Comp 65.24 mm 65.239 mm 19.402 mm 16.153 mm HRAS_085 7216 E Comp -73.40 mm -73.403 mm 3.776 mm 3.144 mm HRAS_085 7216 N Comp 140.04 mm 140.045 mm 4.749 mm 3.954 mm 107. HRAS_085 CL 0 1982.06.20-22:01:31.656 -5773.247 ns 0.155 ns 0.152 ns 108. HRAS_085 CL 1 1982.06.20-22:01:31.656 -94.786 D-14 7.031 D-14 6.893 D-14 109. HRAS_085 CL 2 1982.06.20-22:01:31.656 1390.262 D-14/day 46.042 D-14/day 45.132 D-14/day 110. HRAS_085 BR 0 1982.06.21-01:27:27.845 -4.461 ns 0.096 ns 0.094 ns 111. HRAS_085 BR 1 1982.06.21-01:27:27.845 -283.165 D-14 7.623 D-14 7.472 D-14 112. HRAS_085 BR 2 1982.06.21-01:27:27.845 -1383.429 D-14/day 46.163 D-14/day 45.250 D-14/day 135. HRAS_085 AT 0 1982.06.20-22:01:31.656 74.740 ps 60.215 ps 59.024 ps HRAS_085 Atm 1982.06.21-09:02:03.840 Avg: 33.003 ps Rms: 63.544 ps Tot_Rms: 71.603 ps || Nat: 102 Dura: 75960.0 sec Tzd_avg: 6781.1 Tzd_rms: 42.5 Wzd_avg: 413.9 Wzd_rms: 38.9 ps Prs_avg: 84000. Pa Tem_avg: 16.3 C Stm_avg: -2.9 C Stm_rms: 3.3 K Spr_avg: 89. Spr_rms: 69. Pa 202. HRAS_085 NG 1982.06.20-22:00:31.656 0.023 mm 0.421 mm 0.413 mm 203. HRAS_085 EG 1982.06.20-22:00:31.656 -0.030 mm 0.421 mm 0.413 mm 204. HRAS_085 NG 1982.06.21-06:00:31.656 -0.040 mm 0.377 mm 0.369 mm 205. HRAS_085 EG 1982.06.21-06:00:31.656 -0.046 mm 0.376 mm 0.368 mm 206. HRAS_085 NG 1982.06.21-14:00:31.656 -0.013 mm 0.376 mm 0.369 mm 207. HRAS_085 EG 1982.06.21-14:00:31.656 -0.006 mm 0.376 mm 0.368 mm 208. HRAS_085 NG 1982.06.21-22:00:31.656 0.019 mm 0.422 mm 0.414 mm 209. HRAS_085 EG 1982.06.21-22:00:31.656 0.015 mm 0.422 mm 0.413 mm 210. ONSALA60 7213 EURA X Comp 3370606009.59 mm 20.592 mm 10.318 mm 10.114 mm 211. ONSALA60 7213 EURA Y Comp 711917322.94 mm -206.059 mm 7.832 mm 7.677 mm 212. ONSALA60 7213 EURA Z Comp 5349830599.52 mm -166.475 mm 16.885 mm 16.551 mm ONSALA60 7213 U Comp -152.33 mm -152.330 mm 18.662 mm 15.537 mm ONSALA60 7213 E Comp -205.87 mm -205.866 mm 8.088 mm 6.733 mm ONSALA60 7213 N Comp -70.80 mm -70.803 mm 6.261 mm 5.212 mm 213. ONSALA60 CL 0 1982.06.20-22:01:31.656 49623.398 ns 0.141 ns 0.138 ns 214. ONSALA60 CL 1 1982.06.20-22:01:31.656 203.829 D-14 2.254 D-14 2.209 D-14 215. ONSALA60 CL 2 1982.06.20-22:01:31.656 1.883 D-14/day 2.251 D-14/day 2.207 D-14/day 238. ONSALA60 AT 0 1982.06.20-22:01:31.656 -12.887 ps 24.866 ps 24.375 ps ONSALA60 Atm 1982.06.21-09:02:03.840 Avg: 84.092 ps Rms: 41.001 ps Tot_Rms: 93.555 ps || Nat: 115 Dura: 75960.0 sec Tzd_avg: 7881.1 Tzd_rms: 33.2 Wzd_avg: 250.4 Wzd_rms: 31.7 ps Prs_avg: 100938. Pa Tem_avg: 12.1 C Stm_avg: -0.5 C Stm_rms: 1.0 K Spr_avg: 194. Spr_rms: 44. Pa 305. ONSALA60 NG 1982.06.20-22:00:31.656 -0.022 mm 0.422 mm 0.413 mm 306. ONSALA60 EG 1982.06.20-22:00:31.656 0.003 mm 0.422 mm 0.414 mm 307. ONSALA60 NG 1982.06.21-06:00:31.656 0.052 mm 0.376 mm 0.368 mm 308. ONSALA60 EG 1982.06.21-06:00:31.656 0.006 mm 0.377 mm 0.369 mm 309. ONSALA60 NG 1982.06.21-14:00:31.656 -0.007 mm 0.376 mm 0.369 mm 310. ONSALA60 EG 1982.06.21-14:00:31.656 -0.028 mm 0.377 mm 0.369 mm 311. ONSALA60 NG 1982.06.21-22:00:31.656 0.015 mm 0.422 mm 0.414 mm 312. ONSALA60 EG 1982.06.21-22:00:31.656 0.000 mm 0.422 mm 0.414 mm 313. OVRO_130 7207 NOAM X Comp -2409600846.68 mm 40.321 mm 7.318 mm 7.173 mm 314. OVRO_130 7207 NOAM Y Comp -4478349479.38 mm -15.382 mm 13.743 mm 13.471 mm 315. OVRO_130 7207 NOAM Z Comp 3838603257.38 mm 69.379 mm 12.063 mm 11.824 mm OVRO_130 7207 U Comp 37.55 mm 37.550 mm 18.748 mm 15.608 mm OVRO_130 7207 E Comp 42.80 mm 42.796 mm 4.055 mm 3.376 mm OVRO_130 7207 N Comp 58.60 mm 58.603 mm 4.470 mm 3.721 mm 316. OVRO_130 CL 0 1982.06.20-22:01:31.656 1607.709 ns 0.135 ns 0.133 ns 317. OVRO_130 CL 1 1982.06.20-22:01:31.656 41.323 D-14 2.212 D-14 2.168 D-14 318. OVRO_130 CL 2 1982.06.20-22:01:31.656 -1.714 D-14/day 2.186 D-14/day 2.143 D-14/day 341. OVRO_130 AT 0 1982.06.20-22:01:31.656 21.911 ps 33.921 ps 33.251 ps OVRO_130 Atm 1982.06.21-09:02:03.840 Avg: 2.640 ps Rms: 50.861 ps Tot_Rms: 50.929 ps || Nat: 101 Dura: 75960.0 sec Tzd_avg: 7126.1 Tzd_rms: 41.8 Wzd_avg: 488.2 Wzd_rms: 40.9 ps Prs_avg: 87588. Pa Tem_avg: 21.2 C Stm_avg: -1.1 C Stm_rms: 3.3 K Spr_avg: -22. Spr_rms: 72. Pa 408. OVRO_130 NG 1982.06.20-22:00:31.656 -0.037 mm 0.421 mm 0.413 mm 409. OVRO_130 EG 1982.06.20-22:00:31.656 0.100 mm 0.421 mm 0.413 mm 410. OVRO_130 NG 1982.06.21-06:00:31.656 0.019 mm 0.376 mm 0.369 mm 411. OVRO_130 EG 1982.06.21-06:00:31.656 0.018 mm 0.376 mm 0.369 mm 412. OVRO_130 NG 1982.06.21-14:00:31.656 0.032 mm 0.376 mm 0.369 mm 413. OVRO_130 EG 1982.06.21-14:00:31.656 -0.039 mm 0.376 mm 0.369 mm 414. OVRO_130 NG 1982.06.21-22:00:31.656 0.006 mm 0.422 mm 0.414 mm 415. OVRO_130 EG 1982.06.21-22:00:31.656 -0.009 mm 0.422 mm 0.414 mm 416. WESTFORD 7209 NOAM X Comp 1492206552.95 mm 9.946 mm 4.164 mm 4.081 mm 417. WESTFORD 7209 NOAM Y Comp -4458130431.80 mm 90.199 mm 9.280 mm 9.097 mm 418. WESTFORD 7209 NOAM Z Comp 4296015525.36 mm -21.642 mm 9.110 mm 8.930 mm WESTFORD 7209 U Comp -75.28 mm -75.278 mm 12.396 mm 10.320 mm WESTFORD 7209 E Comp 38.06 mm 38.062 mm 4.676 mm 3.893 mm WESTFORD 7209 N Comp 39.85 mm 39.846 mm 3.305 mm 2.752 mm 419. WESTFORD AT 0 1982.06.20-22:01:31.656 -36.898 ps 30.423 ps 29.822 ps WESTFORD Atm 1982.06.21-09:02:03.840 Avg: -20.154 ps Rms: 54.801 ps Tot_Rms: 58.389 ps || Nat: 150 Dura: 75280.0 sec Tzd_avg: 7977.6 Tzd_rms: 55.9 Wzd_avg: 438.6 Wzd_rms: 60.6 ps Prs_avg: 100206. Pa Tem_avg: 14.5 C Stm_avg: -1.5 C Stm_rms: 2.1 K Spr_avg: 721. Spr_rms: 44. Pa 486. WESTFORD NG 1982.06.20-22:00:31.656 0.013 mm 0.421 mm 0.412 mm 487. WESTFORD EG 1982.06.20-22:00:31.656 -0.131 mm 0.415 mm 0.407 mm 488. WESTFORD NG 1982.06.21-06:00:31.656 -0.044 mm 0.376 mm 0.368 mm 489. WESTFORD EG 1982.06.21-06:00:31.656 -0.014 mm 0.366 mm 0.359 mm 490. WESTFORD NG 1982.06.21-14:00:31.656 -0.032 mm 0.375 mm 0.368 mm 491. WESTFORD EG 1982.06.21-14:00:31.656 0.179 mm 0.372 mm 0.364 mm 492. WESTFORD NG 1982.06.21-22:00:31.656 -0.062 mm 0.422 mm 0.413 mm 493. WESTFORD EG 1982.06.21-22:00:31.656 0.068 mm 0.421 mm 0.412 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 28.52 ps/h NRMS 0.57 share 0.71 count 67 2. HRAS_085 Input 50.00 ps/h RMS 17.54 ps/h NRMS 0.35 share 0.86 count 67 3. ONSALA60 Input 50.00 ps/h RMS 20.38 ps/h NRMS 0.41 share 0.81 count 67 5. OVRO_130 Input 50.00 ps/h RMS 21.77 ps/h NRMS 0.44 share 0.81 count 67 6. WESTFORD Input 50.00 ps/h RMS 29.00 ps/h NRMS 0.58 share 0.71 count 67 Overall RMS 23.88 ps/h NRMS 0.48 share 0.78 count 335 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.30 mm/d NRMS 0.15 share 0.52 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.53 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.07 share 0.53 count 8 6. WESTFORD Input 2.00 mm/d RMS 0.32 mm/d NRMS 0.16 share 0.53 count 8 Overall RMS 0.22 mm/d NRMS 0.11 share 0.53 count 40 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 2.30 D-14 NRMS 0.46 share 0.23 count 23 2. HRAS_085 Input 5.00 D-14 RMS 2.63 D-14 NRMS 0.53 share 0.36 count 23 3. ONSALA60 Input 5.00 D-14 RMS 3.96 D-14 NRMS 0.79 share 0.29 count 23 5. OVRO_130 Input 5.00 D-14 RMS 2.33 D-14 NRMS 0.47 share 0.24 count 23 Overall RMS 2.88 D-14 NRMS 0.58 share 0.28 count 92 494. UT1-TAI 1, 1982.06.21-08:35:00.000 -1.8265 ms/d -155.95 micros/d 50.82 micros/d 49.81 micros/d EOP epoch (TDT) MJD: 45141.358011 NUT epoch (TDT) MJD: 45141.335247 495. Nutation DPSI wrt apriori model 1982.06.21-08:34:28.776 -0.548 mas 693.4 microasec 679.7 microasec Nutation Dx wrt apriori model 1982.06.21-08:34:28.776 -0.216 mas 274.8 microasec 269.4 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.21-08:34:28.776 1.071 mas 693.4 microasec 679.7 microasec 496. Nutation DEPS wrt apriori model 1982.06.21-08:34:28.776 -0.502 mas 267.1 microasec 261.8 microasec Nutation Dy wrt apriori model 1982.06.21-08:34:28.776 -0.503 mas 268.2 microasec 262.9 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.21-08:34:28.776 -1.742 mas 267.1 microasec 261.8 microasec 497. HAYSTACK HRAS_085 Clock offset 33.005 ps 11.928 ps 11.693 ps 498. HAYSTACK ONSALA60 Clock offset -8.401 ps 12.053 ps 11.815 ps 499. HAYSTACK OVRO_130 Clock offset -0.683 ps 7.977 ps 7.820 ps 500. HRAS_085 ONSALA60 Clock offset -35.426 ps 23.618 ps 23.152 ps 501. HRAS_085 OVRO_130 Clock offset -24.920 ps 12.445 ps 12.199 ps 502. ONSALA60 OVRO_130 Clock offset -4.715 ps 18.087 ps 17.730 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0091 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640995.17 7.13 3135640995.17 7.13 127.33 4.15 -166.70 26.09 HAYSTACK 7205 to ONSALA60 7213 5599714473.40 9.48 5599714473.40 9.48 148.02 4.68 1.24 25.14 HAYSTACK 7205 to OVRO_130 7207 3928881635.93 7.88 3928881635.93 7.88 -4.62 3.45 -150.98 25.33 HAYSTACK 7205 to WESTFORD 7209 1239398.41 2.87 1239398.41 2.87 -8.55 2.43 -18.00 11.45 HRAS_085 7216 to ONSALA60 7213 7940732175.07 19.50 7940732175.07 19.50 315.10 5.88 147.55 27.77 HRAS_085 7216 to OVRO_130 7207 1508195381.44 5.55 1508195381.44 5.55 -6.97 3.84 42.11 29.49 HRAS_085 7216 to WESTFORD 7209 3134928002.41 7.39 3134928002.41 7.39 128.24 4.54 151.55 27.08 ONSALA60 7213 to OVRO_130 7207 7914130960.52 18.92 7914130960.52 18.92 191.34 6.07 -147.39 27.10 ONSALA60 7213 to WESTFORD 7209 5600741425.52 10.04 5600741425.52 10.04 141.84 4.94 -20.91 25.94 OVRO_130 7207 to WESTFORD 7209 3928579358.57 8.08 3928579358.57 8.08 -7.40 3.79 136.68 26.33 NNT_POS: 4 stations participated in NNT_POS constraints: GOLDVENU HRAS_085 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:18 Correlator type: Unknown Experiment code: xal825 Mark-3 db_name: $82JUN21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820621_a Ver 2 xal825 Matrix Condition Number = 1.328134209314536E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | HRAS_085: CABL_DEL GION | | JPL_MV1 : CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GOLDVENU is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET 26.4 4.2 891.3 1.1 38.7 1.8 HRAS_085 MET 17.6 3.7 840.7 0.9 54.3 21.5 JPL_MV1 MET -999.0 0.0 -999.0 0.0 0.0 0.0 ONSALA60 MET 12.0 4.4 1012.4 0.6 72.2 10.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 21.0 5.9 877.2 1.5 21.3 2.9 WESTFORD MET 16.3 2.2 1003.7 2.2 65.3 30.0 Run 26091-1737 1206 Observation Pairs Available Session started on: 2445142.340300 1982.06.21 20:10:01.920 UTC Nominal duration: 83998.080 sec 00 23:19:58.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 204 40.032 ps 0.80 0.9965 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 237 Number of potentially good observations with QC 5-9: 237 Number of used observations: 204 ( 86.08%) Number of suppressed observations: 33 ( 13.92%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GOLDVENU HRAS_085 32 36 50.867 0.79 19820621_a xal825 1982.06.22-07:50:00.9 BAS_STAT GOLDVENU OVRO_130 26 27 12.911 0.57 19820621_a xal825 1982.06.22-07:50:00.9 BAS_STAT GOLDVENU WESTFORD 28 43 71.713 0.79 19820621_a xal825 1982.06.22-07:50:00.9 BAS_STAT HRAS_085 OVRO_130 29 30 46.235 0.80 19820621_a xal825 1982.06.22-07:50:00.9 BAS_STAT HRAS_085 WESTFORD 48 50 91.562 0.89 19820621_a xal825 1982.06.22-07:50:00.9 BAS_STAT JPL_MV1 -ONSALA60 No Data ONSALA60-ONSALA85 No Data OVRO_130 WESTFORD 41 51 65.890 0.83 19820621_a xal825 1982.06.22-07:50:00.9 BAS_STAT Not included: GOLDVENU JPL_MV1 0/ 0 deselected baseline 19820621_a xal825 GOLDVENU ONSALA60 0/ 0 deselected baseline 19820621_a xal825 GOLDVENU ONSALA85 0/ 0 deselected baseline 19820621_a xal825 HRAS_085 JPL_MV1 0/ 0 deselected baseline 19820621_a xal825 HRAS_085 ONSALA60 0/ 0 deselected baseline 19820621_a xal825 HRAS_085 ONSALA85 0/ 0 deselected baseline 19820621_a xal825 JPL_MV1 ONSALA85 0/ 0 deselected baseline 19820621_a xal825 JPL_MV1 OVRO_130 0/ 0 deselected baseline 19820621_a xal825 JPL_MV1 WESTFORD 0/ 0 deselected baseline 19820621_a xal825 ONSALA60 OVRO_130 0/ 0 deselected baseline 19820621_a xal825 ONSALA60 WESTFORD 0/ 0 deselected baseline 19820621_a xal825 ONSALA85 OVRO_130 0/ 0 deselected baseline 19820621_a xal825 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820621_a xal825 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 2 2 45 93.108 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 0212+735 J0217+7349 16 21 137 35.916 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 0234+285 J0237+2848 4 4 46 29.313 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 0552+398 J0555+3948 17 18 77 54.959 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 1637+574 J1638+5720 28 34 164 50.306 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 2134+00 J2136+0041 10 11 55 29.910 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 3C273B J1229+0203 27 28 69 30.535 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 3C345 J1642+3948 22 24 126 33.922 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 3C454.3 J2253+1608 9 11 69 16.654 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: 4C39.25 J0927+3902 18 23 92 46.594 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: NRAO150 J0359+5057 6 9 87 24.150 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: OJ287 J0854+2006 12 14 38 60.334 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: OQ208 J1407+2827 24 27 106 52.563 19820621_a xal825 1982.06.22-07:50:00.960 SRC_STAT: VR422201 J2202+4216 9 11 95 44.720 19820621_a xal825 1982.06.22-07:50:00.960 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.22-07:49:28 1. GOLDVENU 1513 NOAM X Comp -2351129244.78 mm -19.780 mm 12.455 mm 12.433 mm 2. GOLDVENU 1513 NOAM Y Comp -4655477075.46 mm -74.464 mm 25.873 mm 25.828 mm 3. GOLDVENU 1513 NOAM Z Comp 3660956923.74 mm 58.739 mm 20.228 mm 20.192 mm GOLDVENU 1513 U Comp 95.46 mm 95.464 mm 33.317 mm 26.639 mm GOLDVENU 1513 E Comp 15.91 mm 15.912 mm 7.548 mm 6.035 mm GOLDVENU 1513 N Comp 4.46 mm 4.464 mm 8.166 mm 6.529 mm 4. GOLDVENU CL 0 1982.06.21-20:09:29.736 14140.888 ns 0.333 ns 0.333 ns 5. GOLDVENU CL 1 1982.06.21-20:09:29.736 50.461 D-14 2.910 D-14 2.905 D-14 6. GOLDVENU CL 2 1982.06.21-20:09:29.736 -14.669 D-14/day 4.049 D-14/day 4.042 D-14/day 31. GOLDVENU AT 0 1982.06.21-20:09:29.736 -52.980 ps 71.012 ps 70.887 ps GOLDVENU Atm 1982.06.22-08:10:01.920 Avg: -104.350 ps Rms: 37.183 ps Tot_Rms: 110.777 ps || Nat: 119 Dura: 78550.0 sec Tzd_avg: 7015.3 Tzd_rms: 21.5 Wzd_avg: 262.1 Wzd_rms: 27.5 ps Prs_avg: 89133. Pa Tem_avg: 26.4 C Stm_avg: -0.0 C Stm_rms: 2.4 K Spr_avg: 162. Spr_rms: 33. Pa 104. GOLDVENU NG 1982.06.21-20:08:29.736 0.027 mm 0.422 mm 0.421 mm 105. GOLDVENU EG 1982.06.21-20:08:29.736 0.001 mm 0.421 mm 0.421 mm 106. GOLDVENU NG 1982.06.22-04:08:29.736 -0.006 mm 0.377 mm 0.376 mm 107. GOLDVENU EG 1982.06.22-04:08:29.736 0.036 mm 0.376 mm 0.376 mm 108. GOLDVENU NG 1982.06.22-12:08:29.736 -0.011 mm 0.377 mm 0.376 mm 109. GOLDVENU EG 1982.06.22-12:08:29.736 0.008 mm 0.377 mm 0.376 mm 110. GOLDVENU NG 1982.06.22-20:08:29.736 -0.004 mm 0.422 mm 0.422 mm 111. GOLDVENU EG 1982.06.22-20:08:29.736 0.003 mm 0.422 mm 0.422 mm 112. HRAS_085 7216 NOAM X Comp -1324211058.16 mm -41.161 mm 12.981 mm 12.958 mm 113. HRAS_085 7216 NOAM Y Comp -5332023037.18 mm 44.823 mm 33.168 mm 33.109 mm 114. HRAS_085 7216 NOAM Z Comp 3232118338.42 mm 31.423 mm 22.385 mm 22.346 mm HRAS_085 7216 U Comp -12.88 mm -12.881 mm 40.547 mm 32.419 mm HRAS_085 7216 E Comp -50.75 mm -50.751 mm 8.824 mm 7.055 mm HRAS_085 7216 N Comp 44.15 mm 44.150 mm 6.913 mm 5.527 mm 115. HRAS_085 CL 0 1982.06.21-20:09:29.736 -5748.585 ns 0.335 ns 0.334 ns 116. HRAS_085 CL 1 1982.06.21-20:09:29.736 35.825 D-14 2.822 D-14 2.817 D-14 117. HRAS_085 CL 2 1982.06.21-20:09:29.736 -9.291 D-14/day 3.884 D-14/day 3.878 D-14/day 142. HRAS_085 AT 0 1982.06.21-20:09:29.736 32.601 ps 62.066 ps 61.957 ps HRAS_085 Atm 1982.06.22-08:10:01.920 Avg: -19.154 ps Rms: 45.442 ps Tot_Rms: 49.314 ps || Nat: 110 Dura: 84000.0 sec Tzd_avg: 6819.5 Tzd_rms: 39.7 Wzd_avg: 445.7 Wzd_rms: 33.6 ps Prs_avg: 84085. Pa Tem_avg: 18.2 C Stm_avg: -4.4 C Stm_rms: 2.4 K Spr_avg: 72. Spr_rms: 62. Pa 215. HRAS_085 NG 1982.06.21-20:08:29.736 -0.049 mm 0.422 mm 0.421 mm 216. HRAS_085 EG 1982.06.21-20:08:29.736 0.046 mm 0.422 mm 0.421 mm 217. HRAS_085 NG 1982.06.22-04:08:29.736 -0.018 mm 0.377 mm 0.376 mm 218. HRAS_085 EG 1982.06.22-04:08:29.736 0.011 mm 0.377 mm 0.376 mm 219. HRAS_085 NG 1982.06.22-12:08:29.736 0.012 mm 0.377 mm 0.376 mm 220. HRAS_085 EG 1982.06.22-12:08:29.736 -0.017 mm 0.377 mm 0.376 mm 221. HRAS_085 NG 1982.06.22-20:08:29.736 0.004 mm 0.422 mm 0.422 mm 222. HRAS_085 EG 1982.06.22-20:08:29.736 -0.006 mm 0.422 mm 0.422 mm 223. OVRO_130 7207 NOAM X Comp -2409600866.17 mm 20.826 mm 14.389 mm 14.364 mm 224. OVRO_130 7207 NOAM Y Comp -4478349544.83 mm -80.832 mm 27.500 mm 27.452 mm 225. OVRO_130 7207 NOAM Z Comp 3838603219.70 mm 31.696 mm 22.547 mm 22.508 mm OVRO_130 7207 U Comp 68.00 mm 67.996 mm 36.712 mm 29.353 mm OVRO_130 7207 E Comp 56.64 mm 56.640 mm 7.182 mm 5.743 mm OVRO_130 7207 N Comp -11.86 mm -11.862 mm 8.507 mm 6.801 mm 226. OVRO_130 CL 0 1982.06.21-20:09:29.736 1640.118 ns 0.343 ns 0.343 ns 227. OVRO_130 CL 1 1982.06.21-20:09:29.736 39.048 D-14 2.912 D-14 2.907 D-14 228. OVRO_130 CL 2 1982.06.21-20:09:29.736 -4.993 D-14/day 3.972 D-14/day 3.965 D-14/day 253. OVRO_130 AT 0 1982.06.21-20:09:29.736 -156.402 ps 81.588 ps 81.444 ps OVRO_130 Atm 1982.06.22-08:10:01.920 Avg: -190.489 ps Rms: 39.920 ps Tot_Rms: 194.627 ps || Nat: 101 Dura: 81880.0 sec Tzd_avg: 7067.6 Tzd_rms: 61.0 Wzd_avg: 414.8 Wzd_rms: 67.3 ps Prs_avg: 87735. Pa Tem_avg: 20.9 C Stm_avg: -1.5 C Stm_rms: 3.0 K Spr_avg: -37. Spr_rms: 65. Pa 326. OVRO_130 NG 1982.06.21-20:08:29.736 -0.003 mm 0.422 mm 0.421 mm 327. OVRO_130 EG 1982.06.21-20:08:29.736 -0.010 mm 0.422 mm 0.421 mm 328. OVRO_130 NG 1982.06.22-04:08:29.736 0.003 mm 0.377 mm 0.376 mm 329. OVRO_130 EG 1982.06.22-04:08:29.736 -0.019 mm 0.377 mm 0.376 mm 330. OVRO_130 NG 1982.06.22-12:08:29.736 0.000 mm 0.377 mm 0.376 mm 331. OVRO_130 EG 1982.06.22-12:08:29.736 0.027 mm 0.377 mm 0.376 mm 332. OVRO_130 NG 1982.06.22-20:08:29.736 0.000 mm 0.422 mm 0.422 mm 333. OVRO_130 EG 1982.06.22-20:08:29.736 0.010 mm 0.422 mm 0.422 mm 334. WESTFORD 7209 NOAM X Comp 1492206583.11 mm 40.115 mm 11.563 mm 11.542 mm 335. WESTFORD 7209 NOAM Y Comp -4458130411.53 mm 110.473 mm 38.577 mm 38.509 mm 336. WESTFORD 7209 NOAM Z Comp 4296015425.14 mm -121.858 mm 30.492 mm 30.438 mm WESTFORD 7209 U Comp -150.23 mm -150.231 mm 44.890 mm 35.892 mm WESTFORD 7209 E Comp 73.11 mm 73.106 mm 18.214 mm 14.563 mm WESTFORD 7209 N Comp -27.37 mm -27.374 mm 14.311 mm 11.442 mm 337. WESTFORD AT 0 1982.06.21-20:09:29.736 13.535 ps 70.642 ps 70.517 ps WESTFORD Atm 1982.06.22-08:10:01.920 Avg: -6.300 ps Rms: 17.081 ps Tot_Rms: 18.206 ps || Nat: 167 Dura: 84000.0 sec Tzd_avg: 7999.7 Tzd_rms: 34.4 Wzd_avg: 448.2 Wzd_rms: 50.0 ps Prs_avg: 100395. Pa Tem_avg: 16.6 C Stm_avg: -0.3 C Stm_rms: 1.6 K Spr_avg: 741. Spr_rms: 50. Pa 410. WESTFORD NG 1982.06.21-20:08:29.736 -0.003 mm 0.422 mm 0.422 mm 411. WESTFORD EG 1982.06.21-20:08:29.736 0.006 mm 0.422 mm 0.422 mm 412. WESTFORD NG 1982.06.22-04:08:29.736 -0.000 mm 0.377 mm 0.376 mm 413. WESTFORD EG 1982.06.22-04:08:29.736 0.008 mm 0.377 mm 0.376 mm 414. WESTFORD NG 1982.06.22-12:08:29.736 -0.004 mm 0.377 mm 0.376 mm 415. WESTFORD EG 1982.06.22-12:08:29.736 -0.005 mm 0.377 mm 0.376 mm 416. WESTFORD NG 1982.06.22-20:08:29.736 -0.001 mm 0.422 mm 0.422 mm 417. WESTFORD EG 1982.06.22-20:08:29.736 -0.002 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. GOLDVENU Input 50.00 ps/h RMS 11.54 ps/h NRMS 0.23 share 0.92 count 73 2. HRAS_085 Input 50.00 ps/h RMS 13.68 ps/h NRMS 0.27 share 0.94 count 73 6. OVRO_130 Input 50.00 ps/h RMS 18.15 ps/h NRMS 0.36 share 0.92 count 73 7. WESTFORD Input 50.00 ps/h RMS 13.24 ps/h NRMS 0.26 share 0.92 count 73 Overall RMS 14.36 ps/h NRMS 0.29 share 0.93 count 292 Gradient Constraint Statistics 1. GOLDVENU Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 7. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 1. GOLDVENU Input 5.00 D-14 RMS 3.29 D-14 NRMS 0.66 share 0.60 count 25 2. HRAS_085 Input 5.00 D-14 RMS 2.66 D-14 NRMS 0.53 share 0.58 count 25 6. OVRO_130 Input 5.00 D-14 RMS 9.84 D-14 NRMS 1.97 share 0.60 count 25 Overall RMS 6.18 D-14 NRMS 1.24 share 0.59 count 75 418. UT1-TAI 1, 1982.06.22-07:50:00.000 -0.8684 ms/d 726.04 micros/d 459.98 micros/d 459.16 micros/d EOP epoch (TDT) MJD: 45142.326761 NUT epoch (TDT) MJD: 45142.135886 419. Nutation DPSI wrt apriori model 1982.06.22-07:49:28.776 2.060 mas 3659.4 microasec 3652.9 microasec Nutation Dx wrt apriori model 1982.06.22-07:49:28.776 0.816 mas 1450.6 microasec 1448.0 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.22-07:49:28.776 3.921 mas 3659.4 microasec 3652.9 microasec 420. Nutation DEPS wrt apriori model 1982.06.22-07:49:28.776 0.748 mas 1313.0 microasec 1310.7 microasec Nutation Dy wrt apriori model 1982.06.22-07:49:28.776 0.751 mas 1318.7 microasec 1316.4 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.22-07:49:28.776 -0.537 mas 1313.0 microasec 1310.7 microasec 421. GOLDVENU HRAS_085 Clock offset 65.577 ps 27.989 ps 27.940 ps 422. GOLDVENU OVRO_130 Clock offset -6467.717 ps 26.600 ps 26.553 ps 423. HRAS_085 OVRO_130 Clock offset -43.582 ps 24.814 ps 24.770 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1533 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GOLDVENU 1513 to HRAS_085 7216 1302373960.34 11.18 1302373960.34 11.18 -7.09 11.26 102.50 63.34 GOLDVENU 1513 to OVRO_130 7207 257587459.10 6.21 257587459.10 6.21 25.95 5.98 26.60 43.66 GOLDVENU 1513 to WESTFORD 7209 3900445524.80 19.41 3900445524.80 19.41 20.70 21.85 261.64 69.74 HRAS_085 7216 to OVRO_130 7207 1508195404.48 13.00 1508195404.48 13.00 3.51 11.40 -79.06 65.81 HRAS_085 7216 to WESTFORD 7209 3134928015.50 16.77 3134928015.50 16.77 109.76 16.74 144.29 68.20 OVRO_130 7207 to WESTFORD 7209 3928579401.05 20.53 3928579401.05 20.53 -15.10 21.90 245.59 73.50 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:21 Correlator type: Unknown Experiment code: pol065 Mark-3 db_name: $82JUN28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820628_a Ver 2 pol065 Matrix Condition Number = 5.573180455160600E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.4 4.8 838.8 0.7 24.1 3.8 WESTFORD MET 20.5 1.9 1003.8 1.5 81.8 2.3 Run 26091-1737 189 Observation Pairs Available Session started on: 2445149.251400 1982.06.28 18:02:00.960 UTC Nominal duration: 85743.360 sec 00 23:49:03.360 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 134 59.669 ps 0.84 1.0183 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 136 Number of potentially good observations with QC 5-9: 136 Number of used observations: 134 ( 98.53%) Number of suppressed observations: 2 ( 1.47%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 134 136 59.669 0.84 19820628_a pol065 1982.06.29-05:56:32.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 15 83.911 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 0212+735 J0217+7349 7 7 15 154.104 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 0234+285 J0237+2848 14 14 14 83.958 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 0552+398 J0555+3948 17 18 19 91.451 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 1637+574 J1638+5720 0 0 13 0.000 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 2134+00 J2136+0041 2 3 9 119.983 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 3C273B J1229+0203 14 14 14 23.081 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 3C345 J1642+3948 16 16 16 38.529 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 3C454.3 J2253+1608 10 10 11 43.944 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: 4C39.25 J0927+3902 4 4 13 66.659 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: NRAO150 J0359+5057 13 13 14 52.440 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: OJ287 J0854+2006 12 12 12 53.259 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: OQ208 J1407+2827 11 11 14 94.051 19820628_a pol065 1982.06.29-05:56:32.640 SRC_STAT: VR422201 J2202+4216 3 3 10 153.975 19820628_a pol065 1982.06.29-05:56:32.640 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.06.29-05:56:00 1. HRAS_085 7216 NOAM X Comp -1324211064.25 mm -47.245 mm 7.564 mm 7.633 mm 2. HRAS_085 7216 NOAM Y Comp -5332023127.29 mm -45.287 mm 28.402 mm 28.661 mm 3. HRAS_085 7216 NOAM Z Comp 3232118385.30 mm 78.297 mm 20.415 mm 20.601 mm HRAS_085 7216 U Comp 87.51 mm 87.514 mm 34.510 mm 29.032 mm HRAS_085 7216 E Comp -34.94 mm -34.937 mm 7.656 mm 6.441 mm HRAS_085 7216 N Comp 39.17 mm 39.167 mm 5.577 mm 4.692 mm 4. HRAS_085 CL 0 1982.06.28-18:01:28.776 -6750.391 ns 0.337 ns 0.340 ns 5. HRAS_085 CL 1 1982.06.28-18:01:28.776 12.850 D-14 8.161 D-14 8.235 D-14 6. HRAS_085 CL 2 1982.06.28-18:01:28.776 5.246 D-14/day 7.061 D-14/day 7.125 D-14/day 31. HRAS_085 AT 0 1982.06.28-18:01:28.776 10.665 ps 88.936 ps 89.746 ps HRAS_085 Atm 1982.06.29-06:02:00.960 Avg: 9.324 ps Rms: 16.470 ps Tot_Rms: 18.926 ps || Nat: 189 Dura: 85740.0 sec Tzd_avg: 6743.2 Tzd_rms: 73.5 Wzd_avg: 384.6 Wzd_rms: 76.0 ps Prs_avg: 83879. Pa Tem_avg: 20.4 C Stm_avg: -5.3 C Stm_rms: 3.1 K Spr_avg: 91. Spr_rms: 57. Pa 104. HRAS_085 NG 1982.06.28-18:00:28.776 -0.008 mm 0.422 mm 0.426 mm 105. HRAS_085 EG 1982.06.28-18:00:28.776 0.013 mm 0.422 mm 0.426 mm 106. HRAS_085 NG 1982.06.29-02:00:28.776 0.001 mm 0.377 mm 0.380 mm 107. HRAS_085 EG 1982.06.29-02:00:28.776 0.005 mm 0.377 mm 0.380 mm 108. HRAS_085 NG 1982.06.29-10:00:28.776 -0.009 mm 0.377 mm 0.380 mm 109. HRAS_085 EG 1982.06.29-10:00:28.776 0.002 mm 0.377 mm 0.380 mm 110. HRAS_085 NG 1982.06.29-18:00:28.776 -0.003 mm 0.422 mm 0.426 mm 111. HRAS_085 EG 1982.06.29-18:00:28.776 0.023 mm 0.422 mm 0.426 mm 112. WESTFORD 7209 NOAM X Comp 1492206590.25 mm 47.245 mm 7.564 mm 7.633 mm 113. WESTFORD 7209 NOAM Y Comp -4458130476.71 mm 45.287 mm 28.402 mm 28.661 mm 114. WESTFORD 7209 NOAM Z Comp 4296015468.70 mm -78.297 mm 20.415 mm 20.601 mm WESTFORD 7209 U Comp -73.58 mm -73.579 mm 32.678 mm 27.492 mm WESTFORD 7209 E Comp 59.18 mm 59.177 mm 13.673 mm 11.503 mm WESTFORD 7209 N Comp -38.70 mm -38.699 mm 5.080 mm 4.274 mm 115. WESTFORD AT 0 1982.06.28-18:01:28.776 1.324 ps 73.394 ps 74.062 ps WESTFORD Atm 1982.06.29-06:02:00.960 Avg: -58.841 ps Rms: 36.392 ps Tot_Rms: 69.185 ps || Nat: 189 Dura: 85740.0 sec Tzd_avg: 8329.4 Tzd_rms: 105.1 Wzd_avg: 786.6 Wzd_rms: 119.4 ps Prs_avg: 100377. Pa Tem_avg: 20.5 C Stm_avg: -1.4 C Stm_rms: 1.0 K Spr_avg: 682. Spr_rms: 41. Pa 188. WESTFORD NG 1982.06.28-18:00:28.776 0.010 mm 0.422 mm 0.426 mm 189. WESTFORD EG 1982.06.28-18:00:28.776 0.002 mm 0.422 mm 0.426 mm 190. WESTFORD NG 1982.06.29-02:00:28.776 0.012 mm 0.377 mm 0.380 mm 191. WESTFORD EG 1982.06.29-02:00:28.776 -0.008 mm 0.377 mm 0.380 mm 192. WESTFORD NG 1982.06.29-10:00:28.776 0.008 mm 0.377 mm 0.380 mm 193. WESTFORD EG 1982.06.29-10:00:28.776 0.004 mm 0.377 mm 0.380 mm 194. WESTFORD NG 1982.06.29-18:00:28.776 0.006 mm 0.422 mm 0.426 mm 195. WESTFORD EG 1982.06.29-18:00:28.776 -0.013 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.93 ps/h NRMS 0.18 share 0.94 count 73 2. WESTFORD Input 50.00 ps/h RMS 13.95 ps/h NRMS 0.28 share 0.91 count 73 Overall RMS 11.71 ps/h NRMS 0.23 share 0.92 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 20.00 D-14 RMS 6.23 D-14 NRMS 0.31 share 0.13 count 25 Overall RMS 6.23 D-14 NRMS 0.31 share 0.13 count 25 196. UT1-TAI 1, 1982.06.29-05:56:00.000 -1.6521 ms/d 107.91 micros/d 236.41 micros/d 238.57 micros/d EOP epoch (TDT) MJD: 45149.247595 NUT epoch (TDT) MJD: 45149.215006 197. Nutation DPSI wrt apriori model 1982.06.29-05:56:00.456 1.613 mas 2607.6 microasec 2631.3 microasec Nutation Dx wrt apriori model 1982.06.29-05:56:00.456 0.641 mas 1032.4 microasec 1041.8 microasec Nutation DPSI wrt Wahr 1980 model 1982.06.29-05:56:00.456 3.308 mas 2607.6 microasec 2631.3 microasec 198. Nutation DEPS wrt apriori model 1982.06.29-05:56:00.456 0.251 mas 1265.4 microasec 1276.9 microasec Nutation Dy wrt apriori model 1982.06.29-05:56:00.456 0.253 mas 1269.4 microasec 1281.0 microasec Nutation DEPS wrt Wahr 1980 model 1982.06.29-05:56:00.456 -0.891 mas 1265.4 microasec 1276.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 2.000E+01 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1463 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.06.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928033.20 15.89 3134928033.20 15.89 104.40 8.91 165.85 69.21 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:24 Correlator type: Unknown Experiment code: pol066 Mark-3 db_name: $82JUL06XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820706_a Ver 2 pol066 Matrix Condition Number = 5.185326174202019E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.7 4.2 841.1 1.0 24.7 0.5 WESTFORD MET 21.5 3.5 1013.4 1.1 30.2 4.4 Run 26091-1737 228 Observation Pairs Available Session started on: 2445157.247400 1982.07.06 17:56:15.360 UTC Nominal duration: 88024.320 sec 01 00:27:04.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 153 83.828 ps 0.86 0.9785 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 157 Number of potentially good observations with QC 5-9: 157 Number of used observations: 153 ( 97.45%) Number of suppressed observations: 4 ( 2.55%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 153 157 83.828 0.86 19820706_a pol066 1982.07.07-06:09:47.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 14 148.098 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 0212+735 J0217+7349 6 6 16 136.547 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 0234+285 J0237+2848 13 13 15 77.506 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 0552+398 J0555+3948 18 19 21 115.173 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 1637+574 J1638+5720 2 2 17 49.518 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 2134+00 J2136+0041 5 5 13 155.985 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 3C273B J1229+0203 16 17 17 41.629 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 3C345 J1642+3948 21 21 21 59.749 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 3C454.3 J2253+1608 14 14 14 29.454 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: 4C39.25 J0927+3902 4 4 17 61.074 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: NRAO150 J0359+5057 13 15 16 83.477 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: OJ287 J0854+2006 15 15 16 74.460 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: OQ208 J1407+2827 11 11 19 199.820 19820706_a pol066 1982.07.07-06:09:47.520 SRC_STAT: VR422201 J2202+4216 5 5 12 149.505 19820706_a pol066 1982.07.07-06:09:47.520 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.07.07-06:09:15 1. HRAS_085 7216 NOAM X Comp -1324211084.53 mm -67.533 mm 8.491 mm 8.399 mm 2. HRAS_085 7216 NOAM Y Comp -5332023148.36 mm -66.358 mm 37.706 mm 37.298 mm 3. HRAS_085 7216 NOAM Z Comp 3232118429.19 mm 122.194 mm 28.316 mm 28.009 mm HRAS_085 7216 U Comp 131.69 mm 131.687 mm 45.745 mm 39.285 mm HRAS_085 7216 E Comp -49.55 mm -49.547 mm 11.820 mm 10.151 mm HRAS_085 7216 N Comp 64.02 mm 64.024 mm 7.956 mm 6.833 mm 4. HRAS_085 CL 0 1982.07.06-17:55:43.176 -5162.440 ns 0.459 ns 0.454 ns 5. HRAS_085 CL 1 1982.07.06-17:55:43.176 53.835 D-14 4.088 D-14 4.043 D-14 6. HRAS_085 CL 2 1982.07.06-17:55:43.176 -2.032 D-14/day 3.426 D-14/day 3.389 D-14/day 32. HRAS_085 AT 0 1982.07.06-17:55:43.176 -198.382 ps 112.578 ps 111.359 ps HRAS_085 Atm 1982.07.07-06:26:15.360 Avg: -188.050 ps Rms: 10.861 ps Tot_Rms: 188.364 ps || Nat: 228 Dura: 88020.0 sec Tzd_avg: 7011.1 Tzd_rms: 15.7 Wzd_avg: 643.1 Wzd_rms: 22.3 ps Prs_avg: 84108. Pa Tem_avg: 20.7 C Stm_avg: -2.4 C Stm_rms: 2.4 K Spr_avg: 84. Spr_rms: 35. Pa 108. HRAS_085 NG 1982.07.06-17:54:43.176 -0.005 mm 0.422 mm 0.418 mm 109. HRAS_085 EG 1982.07.06-17:54:43.176 0.005 mm 0.422 mm 0.418 mm 110. HRAS_085 NG 1982.07.07-01:54:43.176 -0.011 mm 0.377 mm 0.373 mm 111. HRAS_085 EG 1982.07.07-01:54:43.176 -0.001 mm 0.377 mm 0.373 mm 112. HRAS_085 NG 1982.07.07-09:54:43.176 -0.000 mm 0.377 mm 0.373 mm 113. HRAS_085 EG 1982.07.07-09:54:43.176 0.001 mm 0.377 mm 0.373 mm 114. HRAS_085 NG 1982.07.07-17:54:43.176 -0.001 mm 0.422 mm 0.418 mm 115. HRAS_085 EG 1982.07.07-17:54:43.176 0.005 mm 0.422 mm 0.418 mm 116. WESTFORD 7209 NOAM X Comp 1492206610.53 mm 67.533 mm 8.491 mm 8.399 mm 117. WESTFORD 7209 NOAM Y Comp -4458130455.64 mm 66.358 mm 37.706 mm 37.298 mm 118. WESTFORD 7209 NOAM Z Comp 4296015424.81 mm -122.194 mm 28.316 mm 28.009 mm WESTFORD 7209 U Comp -113.27 mm -113.266 mm 45.160 mm 38.782 mm WESTFORD 7209 E Comp 85.10 mm 85.103 mm 14.898 mm 12.794 mm WESTFORD 7209 N Comp -61.84 mm -61.836 mm 5.857 mm 5.030 mm 119. WESTFORD AT 0 1982.07.06-17:55:43.176 47.444 ps 104.592 ps 103.460 ps WESTFORD Atm 1982.07.07-06:26:15.360 Avg: -0.173 ps Rms: 35.406 ps Tot_Rms: 35.406 ps || Nat: 228 Dura: 88020.0 sec Tzd_avg: 8098.9 Tzd_rms: 34.7 Wzd_avg: 473.8 Wzd_rms: 41.3 ps Prs_avg: 101339. Pa Tem_avg: 21.5 C Stm_avg: 0.5 C Stm_rms: 1.0 K Spr_avg: 702. Spr_rms: 35. Pa 195. WESTFORD NG 1982.07.06-17:54:43.176 -0.001 mm 0.422 mm 0.418 mm 196. WESTFORD EG 1982.07.06-17:54:43.176 0.010 mm 0.422 mm 0.418 mm 197. WESTFORD NG 1982.07.07-01:54:43.176 0.007 mm 0.377 mm 0.373 mm 198. WESTFORD EG 1982.07.07-01:54:43.176 0.029 mm 0.377 mm 0.373 mm 199. WESTFORD NG 1982.07.07-09:54:43.176 0.006 mm 0.377 mm 0.373 mm 200. WESTFORD EG 1982.07.07-09:54:43.176 -0.001 mm 0.377 mm 0.373 mm 201. WESTFORD NG 1982.07.07-17:54:43.176 0.009 mm 0.422 mm 0.418 mm 202. WESTFORD EG 1982.07.07-17:54:43.176 -0.008 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 7.75 ps/h NRMS 0.15 share 0.95 count 76 2. WESTFORD Input 50.00 ps/h RMS 10.54 ps/h NRMS 0.21 share 0.94 count 76 Overall RMS 9.25 ps/h NRMS 0.19 share 0.95 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 10.00 D-14 RMS 5.47 D-14 NRMS 0.55 share 0.17 count 26 Overall RMS 5.47 D-14 NRMS 0.55 share 0.17 count 26 203. UT1-TAI 1, 1982.07.07-06:09:00.000 -1.4336 ms/d -403.93 micros/d 271.38 micros/d 268.45 micros/d EOP epoch (TDT) MJD: 45157.256623 NUT epoch (TDT) MJD: 45157.215078 204. Nutation DPSI wrt apriori model 1982.07.07-06:09:15.336 -3.071 mas 2836.1 microasec 2805.4 microasec Nutation Dx wrt apriori model 1982.07.07-06:09:15.336 -1.219 mas 1122.9 microasec 1110.7 microasec Nutation DPSI wrt Wahr 1980 model 1982.07.07-06:09:15.336 -2.602 mas 2836.1 microasec 2805.4 microasec 205. Nutation DEPS wrt apriori model 1982.07.07-06:09:15.336 -0.606 mas 1375.7 microasec 1360.8 microasec Nutation Dy wrt apriori model 1982.07.07-06:09:15.336 -0.611 mas 1380.1 microasec 1365.2 microasec Nutation DEPS wrt Wahr 1980 model 1982.07.07-06:09:15.336 -1.988 mas 1375.7 microasec 1360.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 1.000E+01 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0755 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.07.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928051.60 17.92 3134928051.60 17.92 162.18 9.34 252.18 93.67 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:27 Correlator type: Unknown Experiment code: pol067 Mark-3 db_name: $82JUL12X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820712_a Ver 2 pol067 Matrix Condition Number = 5.646754448599226E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.1 4.4 843.4 0.9 40.9 2.7 WESTFORD MET 22.8 2.4 1009.1 1.6 78.9 39.4 Run 26091-1737 196 Observation Pairs Available Session started on: 2445163.250100 1982.07.12 18:00:08.640 UTC Nominal duration: 80827.200 sec 00 22:27:07.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 129 85.669 ps 0.89 1.0462 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 129 Number of potentially good observations with QC 5-9: 129 Number of used observations: 129 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 129 129 85.669 0.89 19820712_a pol067 1982.07.13-05:13:42.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 14 138.263 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 0212+735 J0217+7349 2 2 11 170.700 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 0234+285 J0237+2848 12 12 12 85.496 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 0552+398 J0555+3948 12 12 17 167.958 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 1637+574 J1638+5720 1 1 17 301.487 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 2134+00 J2136+0041 4 4 13 134.063 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 3C273B J1229+0203 12 12 12 56.263 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 3C345 J1642+3948 18 18 18 46.952 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 3C454.3 J2253+1608 13 13 13 39.749 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: 4C39.25 J0927+3902 3 3 12 113.174 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: NRAO150 J0359+5057 14 14 14 86.255 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: OJ287 J0854+2006 9 9 13 73.935 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: OQ208 J1407+2827 11 11 19 148.994 19820712_a pol067 1982.07.13-05:13:42.240 SRC_STAT: VR422201 J2202+4216 7 7 11 115.709 19820712_a pol067 1982.07.13-05:13:42.240 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.07.13-05:13:10 1. HRAS_085 7216 NOAM X Comp -1324211064.12 mm -47.123 mm 9.393 mm 9.608 mm 2. HRAS_085 7216 NOAM Y Comp -5332023174.00 mm -92.000 mm 39.086 mm 39.978 mm 3. HRAS_085 7216 NOAM Z Comp 3232118418.58 mm 111.584 mm 29.911 mm 30.594 mm HRAS_085 7216 U Comp 143.46 mm 143.459 mm 47.483 mm 42.049 mm HRAS_085 7216 E Comp -23.56 mm -23.559 mm 13.411 mm 11.876 mm HRAS_085 7216 N Comp 44.72 mm 44.720 mm 8.727 mm 7.728 mm 4. HRAS_085 CL 0 1982.07.12-17:59:36.456 -7293.925 ns 0.467 ns 0.478 ns 5. HRAS_085 CL 1 1982.07.12-17:59:36.456 145.908 D-14 2.296 D-14 2.348 D-14 6. HRAS_085 CL 2 1982.07.12-17:59:36.456 5.475 D-14/day 2.092 D-14/day 2.139 D-14/day 30. HRAS_085 AT 0 1982.07.12-17:59:36.456 -190.928 ps 92.013 ps 94.113 ps HRAS_085 Atm 1982.07.13-05:30:08.640 Avg: -223.902 ps Rms: 16.865 ps Tot_Rms: 224.536 ps || Nat: 196 Dura: 80830.0 sec Tzd_avg: 6924.2 Tzd_rms: 60.6 Wzd_avg: 531.7 Wzd_rms: 63.4 ps Prs_avg: 84340. Pa Tem_avg: 19.1 C Stm_avg: -2.6 C Stm_rms: 1.9 K Spr_avg: 42. Spr_rms: 69. Pa 100. HRAS_085 NG 1982.07.12-17:58:36.456 -0.009 mm 0.422 mm 0.432 mm 101. HRAS_085 EG 1982.07.12-17:58:36.456 0.014 mm 0.422 mm 0.432 mm 102. HRAS_085 NG 1982.07.13-01:58:36.456 -0.007 mm 0.377 mm 0.386 mm 103. HRAS_085 EG 1982.07.13-01:58:36.456 0.002 mm 0.377 mm 0.386 mm 104. HRAS_085 NG 1982.07.13-09:58:36.456 -0.006 mm 0.377 mm 0.386 mm 105. HRAS_085 EG 1982.07.13-09:58:36.456 0.002 mm 0.377 mm 0.386 mm 106. HRAS_085 NG 1982.07.13-17:58:36.456 -0.012 mm 0.422 mm 0.432 mm 107. HRAS_085 EG 1982.07.13-17:58:36.456 -0.003 mm 0.422 mm 0.432 mm 108. WESTFORD 7209 NOAM X Comp 1492206590.12 mm 47.123 mm 9.393 mm 9.608 mm 109. WESTFORD 7209 NOAM Y Comp -4458130430.00 mm 92.000 mm 39.086 mm 39.978 mm 110. WESTFORD 7209 NOAM Z Comp 4296015435.42 mm -111.584 mm 29.911 mm 30.594 mm WESTFORD 7209 U Comp -128.74 mm -128.745 mm 47.414 mm 41.988 mm WESTFORD 7209 E Comp 73.89 mm 73.887 mm 14.933 mm 13.224 mm WESTFORD 7209 N Comp -33.18 mm -33.179 mm 6.285 mm 5.566 mm 111. WESTFORD AT 0 1982.07.12-17:59:36.456 18.102 ps 117.966 ps 120.659 ps WESTFORD Atm 1982.07.13-05:30:08.640 Avg: 29.261 ps Rms: 17.040 ps Tot_Rms: 33.860 ps || Nat: 196 Dura: 80830.0 sec Tzd_avg: 8300.1 Tzd_rms: 163.6 Wzd_avg: 718.7 Wzd_rms: 182.6 ps Prs_avg: 100909. Pa Tem_avg: 22.8 C Stm_avg: -1.4 C Stm_rms: 2.1 K Spr_avg: 735. Spr_rms: 37. Pa 181. WESTFORD NG 1982.07.12-17:58:36.456 0.004 mm 0.422 mm 0.432 mm 182. WESTFORD EG 1982.07.12-17:58:36.456 -0.003 mm 0.422 mm 0.432 mm 183. WESTFORD NG 1982.07.13-01:58:36.456 0.001 mm 0.377 mm 0.386 mm 184. WESTFORD EG 1982.07.13-01:58:36.456 0.004 mm 0.377 mm 0.386 mm 185. WESTFORD NG 1982.07.13-09:58:36.456 0.001 mm 0.377 mm 0.386 mm 186. WESTFORD EG 1982.07.13-09:58:36.456 0.004 mm 0.377 mm 0.386 mm 187. WESTFORD NG 1982.07.13-17:58:36.456 0.005 mm 0.422 mm 0.432 mm 188. WESTFORD EG 1982.07.13-17:58:36.456 0.007 mm 0.422 mm 0.432 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.23 ps/h NRMS 0.18 share 0.94 count 70 2. WESTFORD Input 50.00 ps/h RMS 8.99 ps/h NRMS 0.18 share 0.94 count 70 Overall RMS 9.11 ps/h NRMS 0.18 share 0.94 count 140 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.01 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.60 D-14 NRMS 0.52 share 0.34 count 24 Overall RMS 2.60 D-14 NRMS 0.52 share 0.34 count 24 189. UT1-TAI 1, 1982.07.13-05:13:00.000 -1.8564 ms/d 6.87 micros/d 352.66 micros/d 360.71 micros/d EOP epoch (TDT) MJD: 45163.217734 NUT epoch (TDT) MJD: 45163.204164 190. Nutation DPSI wrt apriori model 1982.07.13-05:13:10.056 0.884 mas 3276.0 microasec 3350.8 microasec Nutation Dx wrt apriori model 1982.07.13-05:13:10.056 0.357 mas 1296.9 microasec 1326.5 microasec Nutation DPSI wrt Wahr 1980 model 1982.07.13-05:13:10.056 0.520 mas 3276.0 microasec 3350.8 microasec 191. Nutation DEPS wrt apriori model 1982.07.13-05:13:10.056 -1.414 mas 1616.8 microasec 1653.7 microasec Nutation Dy wrt apriori model 1982.07.13-05:13:10.056 -1.413 mas 1621.9 microasec 1658.9 microasec Nutation DEPS wrt Wahr 1980 model 1982.07.13-05:13:10.056 -2.320 mas 1616.8 microasec 1653.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1723 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.07.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928036.43 18.99 3134928036.43 18.99 101.23 10.99 280.48 97.78 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:30 Correlator type: Unknown Experiment code: pol068 Mark-3 db_name: $82JUL19X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820719_a Ver 2 pol068 Matrix Condition Number = 3.481821985703782E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.9 4.9 839.9 1.3 42.1 11.0 WESTFORD MET 24.6 2.4 1003.0 0.8 43.1 26.6 Run 26091-1737 233 Observation Pairs Available Session started on: 2445170.250100 1982.07.19 18:00:08.640 UTC Nominal duration: 87480.000 sec 01 00:18:00.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 136 67.584 ps 0.86 1.0094 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 138 Number of potentially good observations with QC 5-9: 138 Number of used observations: 136 ( 98.55%) Number of suppressed observations: 2 ( 1.45%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 136 138 67.584 0.86 19820719_a pol068 1982.07.20-06:09:08.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 14 127.303 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 0212+735 J0217+7349 4 4 15 50.613 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 0234+285 J0237+2848 9 9 15 130.037 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 0552+398 J0555+3948 11 11 20 144.200 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 1637+574 J1638+5720 1 1 18 110.757 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 2134+00 J2136+0041 2 4 15 159.531 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 3C273B J1229+0203 18 18 18 53.679 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 3C345 J1642+3948 21 21 21 40.155 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 3C454.3 J2253+1608 14 14 15 23.666 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: 4C39.25 J0927+3902 4 4 16 44.222 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: NRAO150 J0359+5057 11 11 17 110.404 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: OJ287 J0854+2006 12 12 16 65.129 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: OQ208 J1407+2827 15 15 22 109.948 19820719_a pol068 1982.07.20-06:09:08.640 SRC_STAT: VR422201 J2202+4216 5 5 11 77.792 19820719_a pol068 1982.07.20-06:09:08.640 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.07.20-06:08:36 1. HRAS_085 7216 NOAM X Comp -1324211052.83 mm -35.825 mm 6.998 mm 7.031 mm 2. HRAS_085 7216 NOAM Y Comp -5332023166.25 mm -84.248 mm 30.101 mm 30.242 mm 3. HRAS_085 7216 NOAM Z Comp 3232118381.14 mm 74.140 mm 24.357 mm 24.472 mm HRAS_085 7216 U Comp 115.56 mm 115.562 mm 37.544 mm 32.258 mm HRAS_085 7216 E Comp -14.46 mm -14.463 mm 8.865 mm 7.617 mm HRAS_085 7216 N Comp 17.72 mm 17.724 mm 7.759 mm 6.667 mm 4. HRAS_085 CL 0 1982.07.19-17:59:36.456 -7272.236 ns 0.367 ns 0.368 ns 5. HRAS_085 CL 1 1982.07.19-17:59:36.456 169.894 D-14 2.151 D-14 2.161 D-14 6. HRAS_085 CL 2 1982.07.19-17:59:36.456 -13.958 D-14/day 1.836 D-14/day 1.845 D-14/day 32. HRAS_085 AT 0 1982.07.19-17:59:36.456 110.673 ps 76.592 ps 76.952 ps HRAS_085 Atm 1982.07.20-06:30:08.640 Avg: 19.673 ps Rms: 47.213 ps Tot_Rms: 51.148 ps || Nat: 233 Dura: 87480.0 sec Tzd_avg: 6743.4 Tzd_rms: 56.0 Wzd_avg: 374.6 Wzd_rms: 64.8 ps Prs_avg: 83988. Pa Tem_avg: 19.9 C Stm_avg: -4.1 C Stm_rms: 3.0 K Spr_avg: 70. Spr_rms: 65. Pa 108. HRAS_085 NG 1982.07.19-17:58:36.456 -0.006 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1982.07.19-17:58:36.456 -0.012 mm 0.422 mm 0.424 mm 110. HRAS_085 NG 1982.07.20-01:58:36.456 -0.009 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1982.07.20-01:58:36.456 -0.003 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1982.07.20-09:58:36.456 0.005 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1982.07.20-09:58:36.456 -0.004 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1982.07.20-17:58:36.456 -0.005 mm 0.422 mm 0.424 mm 115. HRAS_085 EG 1982.07.20-17:58:36.456 0.007 mm 0.422 mm 0.424 mm 116. WESTFORD 7209 NOAM X Comp 1492206578.83 mm 35.825 mm 6.998 mm 7.031 mm 117. WESTFORD 7209 NOAM Y Comp -4458130437.75 mm 84.248 mm 30.101 mm 30.242 mm 118. WESTFORD 7209 NOAM Z Comp 4296015472.86 mm -74.140 mm 24.357 mm 24.472 mm WESTFORD 7209 U Comp -100.62 mm -100.623 mm 36.928 mm 31.728 mm WESTFORD 7209 E Comp 60.71 mm 60.713 mm 12.700 mm 10.912 mm WESTFORD 7209 N Comp -8.17 mm -8.172 mm 4.834 mm 4.153 mm 119. WESTFORD AT 0 1982.07.19-17:59:36.456 -92.289 ps 89.432 ps 89.852 ps WESTFORD Atm 1982.07.20-06:30:08.640 Avg: -31.202 ps Rms: 36.084 ps Tot_Rms: 47.704 ps || Nat: 233 Dura: 87480.0 sec Tzd_avg: 8455.9 Tzd_rms: 57.5 Wzd_avg: 927.1 Wzd_rms: 56.2 ps Prs_avg: 100298. Pa Tem_avg: 24.6 C Stm_avg: 0.3 C Stm_rms: 1.2 K Spr_avg: 723. Spr_rms: 54. Pa 195. WESTFORD NG 1982.07.19-17:58:36.456 -0.007 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1982.07.19-17:58:36.456 0.013 mm 0.422 mm 0.424 mm 197. WESTFORD NG 1982.07.20-01:58:36.456 -0.003 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1982.07.20-01:58:36.456 0.014 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1982.07.20-09:58:36.456 -0.011 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1982.07.20-09:58:36.456 0.001 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1982.07.20-17:58:36.456 0.005 mm 0.422 mm 0.424 mm 202. WESTFORD EG 1982.07.20-17:58:36.456 -0.007 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.90 ps/h NRMS 0.24 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.20 ps/h NRMS 0.24 share 0.92 count 76 Overall RMS 12.05 ps/h NRMS 0.24 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.61 D-14 NRMS 0.92 share 0.35 count 26 Overall RMS 4.61 D-14 NRMS 0.92 share 0.35 count 26 203. UT1-TAI 1, 1982.07.20-06:09:00.000 -1.0204 ms/d 222.52 micros/d 234.08 micros/d 235.18 micros/d EOP epoch (TDT) MJD: 45170.256623 NUT epoch (TDT) MJD: 45170.169955 204. Nutation DPSI wrt apriori model 1982.07.20-06:08:36.456 -2.320 mas 3050.0 microasec 3064.4 microasec Nutation Dx wrt apriori model 1982.07.20-06:08:36.456 -0.933 mas 1208.2 microasec 1213.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.07.20-06:08:36.456 -4.644 mas 3050.0 microasec 3064.4 microasec 205. Nutation DEPS wrt apriori model 1982.07.20-06:08:36.456 2.580 mas 1317.9 microasec 1324.1 microasec Nutation Dy wrt apriori model 1982.07.20-06:08:36.456 2.577 mas 1322.7 microasec 1328.9 microasec Nutation DEPS wrt Wahr 1980 model 1982.07.20-06:08:36.456 1.350 mas 1317.9 microasec 1324.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1273 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.07.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928037.22 14.56 3134928037.22 14.56 46.12 9.69 222.85 76.73 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:33 Correlator type: Unknown Experiment code: pol069 Mark-3 db_name: $82JUL26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820726_a Ver 2 pol069 Matrix Condition Number = 2.591957113231104E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 22.4 5.5 843.3 1.1 21.9 0.7 WESTFORD MET 22.3 3.0 1008.3 2.2 51.3 17.3 Run 26091-1737 225 Observation Pairs Available Session started on: 2445177.247300 1982.07.26 17:56:06.720 UTC Nominal duration: 86339.520 sec 00 23:58:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 149 78.444 ps 0.87 0.9998 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 154 Number of potentially good observations with QC 5-9: 154 Number of used observations: 149 ( 96.75%) Number of suppressed observations: 5 ( 3.25%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 149 154 78.444 0.87 19820726_a pol069 1982.07.27-05:55:36.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 88.349 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 0212+735 J0217+7349 8 8 15 162.476 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 0234+285 J0237+2848 14 14 15 79.145 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 0552+398 J0555+3948 14 14 19 134.697 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 1637+574 J1638+5720 0 0 19 0.000 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 2134+00 J2136+0041 8 8 13 112.220 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 3C273B J1229+0203 17 17 17 49.643 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 3C345 J1642+3948 19 20 20 29.952 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 3C454.3 J2253+1608 12 12 13 31.724 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: 4C39.25 J0927+3902 4 5 16 119.691 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: NRAO150 J0359+5057 13 13 15 90.741 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: OJ287 J0854+2006 8 11 15 78.996 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: OQ208 J1407+2827 13 13 20 148.531 19820726_a pol069 1982.07.27-05:55:36.480 SRC_STAT: VR422201 J2202+4216 4 4 13 157.742 19820726_a pol069 1982.07.27-05:55:36.480 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.07.27-05:55:04 1. HRAS_085 7216 NOAM X Comp -1324211064.31 mm -47.315 mm 7.047 mm 7.047 mm 2. HRAS_085 7216 NOAM Y Comp -5332023152.14 mm -70.143 mm 26.628 mm 26.626 mm 3. HRAS_085 7216 NOAM Z Comp 3232118396.97 mm 89.975 mm 20.142 mm 20.140 mm HRAS_085 7216 U Comp 114.24 mm 114.236 mm 32.746 mm 28.425 mm HRAS_085 7216 E Comp -29.01 mm -29.013 mm 7.371 mm 6.399 mm HRAS_085 7216 N Comp 36.91 mm 36.913 mm 6.148 mm 5.337 mm 4. HRAS_085 CL 0 1982.07.26-17:55:34.536 -6772.470 ns 0.353 ns 0.353 ns 5. HRAS_085 CL 1 1982.07.26-17:55:34.536 150.689 D-14 2.178 D-14 2.178 D-14 6. HRAS_085 CL 2 1982.07.26-17:55:34.536 -5.014 D-14/day 1.887 D-14/day 1.887 D-14/day 31. HRAS_085 AT 0 1982.07.26-17:55:34.536 -154.658 ps 72.712 ps 72.706 ps HRAS_085 Atm 1982.07.27-05:56:06.720 Avg: -100.338 ps Rms: 32.163 ps Tot_Rms: 105.366 ps || Nat: 225 Dura: 86340.0 sec Tzd_avg: 6819.3 Tzd_rms: 32.7 Wzd_avg: 423.9 Wzd_rms: 34.1 ps Prs_avg: 84329. Pa Tem_avg: 22.4 C Stm_avg: -2.7 C Stm_rms: 2.5 K Spr_avg: 40. Spr_rms: 63. Pa 104. HRAS_085 NG 1982.07.26-17:54:34.536 -0.010 mm 0.422 mm 0.422 mm 105. HRAS_085 EG 1982.07.26-17:54:34.536 0.000 mm 0.422 mm 0.422 mm 106. HRAS_085 NG 1982.07.27-01:54:34.536 0.001 mm 0.377 mm 0.377 mm 107. HRAS_085 EG 1982.07.27-01:54:34.536 0.023 mm 0.377 mm 0.377 mm 108. HRAS_085 NG 1982.07.27-09:54:34.536 -0.005 mm 0.377 mm 0.377 mm 109. HRAS_085 EG 1982.07.27-09:54:34.536 0.008 mm 0.377 mm 0.377 mm 110. HRAS_085 NG 1982.07.27-17:54:34.536 -0.001 mm 0.422 mm 0.422 mm 111. HRAS_085 EG 1982.07.27-17:54:34.536 0.006 mm 0.422 mm 0.422 mm 112. WESTFORD 7209 NOAM X Comp 1492206590.31 mm 47.315 mm 7.047 mm 7.047 mm 113. WESTFORD 7209 NOAM Y Comp -4458130451.86 mm 70.143 mm 26.628 mm 26.626 mm 114. WESTFORD 7209 NOAM Z Comp 4296015457.03 mm -89.975 mm 20.142 mm 20.140 mm WESTFORD 7209 U Comp -98.82 mm -98.816 mm 31.338 mm 27.203 mm WESTFORD 7209 E Comp 67.13 mm 67.132 mm 12.625 mm 10.959 mm WESTFORD 7209 N Comp -31.35 mm -31.350 mm 4.793 mm 4.161 mm 115. WESTFORD AT 0 1982.07.26-17:55:34.536 67.368 ps 88.711 ps 88.703 ps WESTFORD Atm 1982.07.27-05:56:06.720 Avg: -33.933 ps Rms: 53.124 ps Tot_Rms: 63.037 ps || Nat: 225 Dura: 86340.0 sec Tzd_avg: 8157.1 Tzd_rms: 64.8 Wzd_avg: 577.1 Wzd_rms: 81.7 ps Prs_avg: 100827. Pa Tem_avg: 22.3 C Stm_avg: -1.1 C Stm_rms: 1.7 K Spr_avg: 739. Spr_rms: 34. Pa 188. WESTFORD NG 1982.07.26-17:54:34.536 -0.002 mm 0.422 mm 0.422 mm 189. WESTFORD EG 1982.07.26-17:54:34.536 0.011 mm 0.422 mm 0.422 mm 190. WESTFORD NG 1982.07.27-01:54:34.536 0.002 mm 0.377 mm 0.377 mm 191. WESTFORD EG 1982.07.27-01:54:34.536 -0.012 mm 0.377 mm 0.377 mm 192. WESTFORD NG 1982.07.27-09:54:34.536 0.000 mm 0.377 mm 0.377 mm 193. WESTFORD EG 1982.07.27-09:54:34.536 -0.002 mm 0.377 mm 0.377 mm 194. WESTFORD NG 1982.07.27-17:54:34.536 -0.003 mm 0.422 mm 0.422 mm 195. WESTFORD EG 1982.07.27-17:54:34.536 0.004 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.96 ps/h NRMS 0.20 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 15.53 ps/h NRMS 0.31 share 0.91 count 73 Overall RMS 13.05 ps/h NRMS 0.26 share 0.92 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.91 D-14 NRMS 0.78 share 0.30 count 25 Overall RMS 3.91 D-14 NRMS 0.78 share 0.30 count 25 196. UT1-TAI 1, 1982.07.27-05:55:00.000 -1.0009 ms/d 460.98 micros/d 297.06 micros/d 297.03 micros/d EOP epoch (TDT) MJD: 45177.246900 NUT epoch (TDT) MJD: 45177.242302 197. Nutation DPSI wrt apriori model 1982.07.27-05:55:04.296 -5.159 mas 2901.9 microasec 2901.7 microasec Nutation Dx wrt apriori model 1982.07.27-05:55:04.296 -2.063 mas 1149.1 microasec 1149.0 microasec Nutation DPSI wrt Wahr 1980 model 1982.07.27-05:55:04.296 -8.218 mas 2901.9 microasec 2901.7 microasec 198. Nutation DEPS wrt apriori model 1982.07.27-05:55:04.296 2.898 mas 1360.4 microasec 1360.3 microasec Nutation Dy wrt apriori model 1982.07.27-05:55:04.296 2.890 mas 1364.9 microasec 1364.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.07.27-05:55:04.296 1.921 mas 1360.4 microasec 1360.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1019 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.07.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928039.26 14.86 3134928039.26 14.86 94.19 8.91 219.47 66.01 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:36 Correlator type: Unknown Experiment code: pol070 Mark-3 db_name: $82AUG04X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820804_a Ver 2 pol070 Matrix Condition Number = 4.100255463941659E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.6 5.1 842.8 1.7 32.3 1.2 WESTFORD MET 20.6 2.2 1009.6 0.5 62.2 5.3 Run 26091-1737 221 Observation Pairs Available Session started on: 2445186.243900 1982.08.04 17:51:12.960 UTC Nominal duration: 88076.160 sec 01 00:27:56.160 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 145 97.542 ps 0.88 1.0045 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 146 Number of potentially good observations with QC 5-9: 146 Number of used observations: 145 ( 99.32%) Number of suppressed observations: 1 ( 0.68%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 145 146 97.542 0.88 19820804_a pol070 1982.08.05-06:05:11.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 13 177.892 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 0212+735 J0217+7349 7 7 15 135.996 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 0234+285 J0237+2848 11 11 14 104.668 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 0552+398 J0555+3948 20 20 21 94.032 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 1637+574 J1638+5720 0 0 18 0.000 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 2134+00 J2136+0041 5 5 10 71.213 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 3C273B J1229+0203 19 19 19 43.876 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 3C345 J1642+3948 20 20 20 49.026 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 3C454.3 J2253+1608 9 9 9 44.487 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: 4C39.25 J0927+3902 6 6 17 173.510 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: NRAO150 J0359+5057 15 15 15 152.337 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: OJ287 J0854+2006 0 1 17 0.000 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: OQ208 J1407+2827 18 18 22 139.686 19820804_a pol070 1982.08.05-06:05:11.040 SRC_STAT: VR422201 J2202+4216 5 5 11 142.052 19820804_a pol070 1982.08.05-06:05:11.040 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.08.05-06:04:38 1. HRAS_085 7216 NOAM X Comp -1324211068.85 mm -51.847 mm 8.983 mm 9.004 mm 2. HRAS_085 7216 NOAM Y Comp -5332023159.53 mm -77.529 mm 33.355 mm 33.430 mm 3. HRAS_085 7216 NOAM Z Comp 3232118438.92 mm 131.919 mm 25.393 mm 25.449 mm HRAS_085 7216 U Comp 142.72 mm 142.718 mm 41.109 mm 36.137 mm HRAS_085 7216 E Comp -31.63 mm -31.632 mm 9.611 mm 8.449 mm HRAS_085 7216 N Comp 68.79 mm 68.794 mm 7.463 mm 6.561 mm 4. HRAS_085 CL 0 1982.08.04-17:50:40.776 -5765.579 ns 0.433 ns 0.433 ns 5. HRAS_085 CL 1 1982.08.04-17:50:40.776 203.890 D-14 2.206 D-14 2.211 D-14 6. HRAS_085 CL 2 1982.08.04-17:50:40.776 -0.210 D-14/day 1.884 D-14/day 1.888 D-14/day 32. HRAS_085 AT 0 1982.08.04-17:50:40.776 -104.494 ps 91.816 ps 92.021 ps HRAS_085 Atm 1982.08.05-06:21:12.960 Avg: -73.729 ps Rms: 22.900 ps Tot_Rms: 77.203 ps || Nat: 221 Dura: 88070.0 sec Tzd_avg: 6968.9 Tzd_rms: 24.1 Wzd_avg: 581.0 Wzd_rms: 32.2 ps Prs_avg: 84282. Pa Tem_avg: 19.6 C Stm_avg: -3.7 C Stm_rms: 3.1 K Spr_avg: 25. Spr_rms: 82. Pa 108. HRAS_085 NG 1982.08.04-17:49:40.776 0.006 mm 0.422 mm 0.423 mm 109. HRAS_085 EG 1982.08.04-17:49:40.776 0.007 mm 0.422 mm 0.423 mm 110. HRAS_085 NG 1982.08.05-01:49:40.776 0.003 mm 0.377 mm 0.378 mm 111. HRAS_085 EG 1982.08.05-01:49:40.776 0.022 mm 0.377 mm 0.378 mm 112. HRAS_085 NG 1982.08.05-09:49:40.776 0.000 mm 0.377 mm 0.378 mm 113. HRAS_085 EG 1982.08.05-09:49:40.776 -0.012 mm 0.377 mm 0.378 mm 114. HRAS_085 NG 1982.08.05-17:49:40.776 -0.007 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1982.08.05-17:49:40.776 -0.013 mm 0.422 mm 0.423 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.85 mm 51.847 mm 8.983 mm 9.004 mm 117. WESTFORD 7209 NOAM Y Comp -4458130444.47 mm 77.529 mm 33.355 mm 33.430 mm 118. WESTFORD 7209 NOAM Z Comp 4296015415.08 mm -131.919 mm 25.393 mm 25.449 mm WESTFORD 7209 U Comp -131.31 mm -131.311 mm 39.473 mm 34.699 mm WESTFORD 7209 E Comp 73.77 mm 73.775 mm 15.709 mm 13.809 mm WESTFORD 7209 N Comp -58.45 mm -58.451 mm 5.758 mm 5.062 mm 119. WESTFORD AT 0 1982.08.04-17:50:40.776 126.192 ps 88.772 ps 88.970 ps WESTFORD Atm 1982.08.05-06:21:12.960 Avg: 161.517 ps Rms: 40.535 ps Tot_Rms: 166.526 ps || Nat: 221 Dura: 88070.0 sec Tzd_avg: 8319.7 Tzd_rms: 59.6 Wzd_avg: 733.1 Wzd_rms: 62.8 ps Prs_avg: 100964. Pa Tem_avg: 20.6 C Stm_avg: -3.0 C Stm_rms: 1.5 K Spr_avg: 716. Spr_rms: 55. Pa 195. WESTFORD NG 1982.08.04-17:49:40.776 0.002 mm 0.422 mm 0.423 mm 196. WESTFORD EG 1982.08.04-17:49:40.776 -0.002 mm 0.422 mm 0.423 mm 197. WESTFORD NG 1982.08.05-01:49:40.776 0.009 mm 0.377 mm 0.378 mm 198. WESTFORD EG 1982.08.05-01:49:40.776 -0.015 mm 0.377 mm 0.378 mm 199. WESTFORD NG 1982.08.05-09:49:40.776 -0.010 mm 0.377 mm 0.378 mm 200. WESTFORD EG 1982.08.05-09:49:40.776 0.002 mm 0.377 mm 0.378 mm 201. WESTFORD NG 1982.08.05-17:49:40.776 0.005 mm 0.422 mm 0.423 mm 202. WESTFORD EG 1982.08.05-17:49:40.776 0.001 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 6.91 ps/h NRMS 0.14 share 0.94 count 76 2. WESTFORD Input 50.00 ps/h RMS 11.03 ps/h NRMS 0.22 share 0.93 count 76 Overall RMS 9.20 ps/h NRMS 0.18 share 0.94 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.29 D-14 NRMS 0.66 share 0.38 count 26 Overall RMS 3.29 D-14 NRMS 0.66 share 0.38 count 26 203. UT1-TAI 1, 1982.08.05-06:05:00.000 -0.8600 ms/d 217.62 micros/d 307.49 micros/d 308.18 micros/d EOP epoch (TDT) MJD: 45186.253845 NUT epoch (TDT) MJD: 45186.196583 204. Nutation DPSI wrt apriori model 1982.08.05-06:04:38.856 -4.949 mas 3615.3 microasec 3623.3 microasec Nutation Dx wrt apriori model 1982.08.05-06:04:38.856 -1.979 mas 1432.6 microasec 1435.8 microasec Nutation DPSI wrt Wahr 1980 model 1982.08.05-06:04:38.856 -8.682 mas 3615.3 microasec 3623.3 microasec 205. Nutation DEPS wrt apriori model 1982.08.05-06:04:38.856 2.549 mas 1445.7 microasec 1449.0 microasec Nutation Dy wrt apriori model 1982.08.05-06:04:38.856 2.541 mas 1451.3 microasec 1454.6 microasec Nutation DEPS wrt Wahr 1980 model 1982.08.05-06:04:38.856 1.299 mas 1445.7 microasec 1449.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1078 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.08.05 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928023.05 18.31 3134928023.05 18.31 150.21 11.27 282.22 83.01 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:39 Correlator type: Unknown Experiment code: pol071 Mark-3 db_name: $82AUG09X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820809_a Ver 2 pol071 Matrix Condition Number = 6.948911112911905E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.8 2.6 842.8 0.8 82.2 25.1 WESTFORD MET 22.0 1.3 1005.8 1.1 94.4 41.1 Run 26091-1737 231 Observation Pairs Available Session started on: 2445191.250800 1982.08.09 18:01:09.120 UTC Nominal duration: 85613.760 sec 00 23:46:53.760 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 140 73.251 ps 0.88 1.0262 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 143 Number of potentially good observations with QC 5-9: 143 Number of used observations: 140 ( 97.90%) Number of suppressed observations: 3 ( 2.10%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 140 143 73.251 0.88 19820809_a pol071 1982.08.10-05:54:36.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 7 7 15 158.318 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 0212+735 J0217+7349 6 6 15 140.541 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 0234+285 J0237+2848 11 11 13 49.964 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 0552+398 J0555+3948 17 17 19 106.566 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 1637+574 J1638+5720 1 1 18 302.773 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 2134+00 J2136+0041 1 1 15 27.817 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 3C273B J1229+0203 18 18 18 37.030 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 3C345 J1642+3948 20 20 20 63.399 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 3C454.3 J2253+1608 15 15 15 32.498 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: 4C39.25 J0927+3902 3 3 16 38.506 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: NRAO150 J0359+5057 16 16 16 98.263 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: OJ287 J0854+2006 9 12 16 131.577 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: OQ208 J1407+2827 13 13 22 139.929 19820809_a pol071 1982.08.10-05:54:36.000 SRC_STAT: VR422201 J2202+4216 3 3 13 101.069 19820809_a pol071 1982.08.10-05:54:36.000 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.08.10-05:54:03 1. HRAS_085 7216 NOAM X Comp -1324211052.94 mm -35.940 mm 9.311 mm 9.432 mm 2. HRAS_085 7216 NOAM Y Comp -5332023167.01 mm -85.007 mm 42.944 mm 43.502 mm 3. HRAS_085 7216 NOAM Z Comp 3232118379.32 mm 72.318 mm 33.545 mm 33.981 mm HRAS_085 7216 U Comp 115.29 mm 115.291 mm 52.703 mm 46.121 mm HRAS_085 7216 E Comp -14.39 mm -14.391 mm 13.744 mm 12.028 mm HRAS_085 7216 N Comp 15.77 mm 15.768 mm 9.467 mm 8.284 mm 4. HRAS_085 CL 0 1982.08.09-18:00:36.936 -5302.778 ns 0.581 ns 0.588 ns 5. HRAS_085 CL 1 1982.08.09-18:00:36.936 150.487 D-14 2.189 D-14 2.218 D-14 6. HRAS_085 CL 2 1982.08.09-18:00:36.936 4.002 D-14/day 1.882 D-14/day 1.907 D-14/day 31. HRAS_085 AT 0 1982.08.09-18:00:36.936 -66.449 ps 113.794 ps 115.274 ps HRAS_085 Atm 1982.08.10-06:01:09.120 Avg: -10.525 ps Rms: 44.493 ps Tot_Rms: 45.721 ps || Nat: 231 Dura: 85620.0 sec Tzd_avg: 6968.0 Tzd_rms: 59.7 Wzd_avg: 580.3 Wzd_rms: 62.1 ps Prs_avg: 84275. Pa Tem_avg: 16.8 C Stm_avg: -2.9 C Stm_rms: 1.2 K Spr_avg: 20. Spr_rms: 43. Pa 104. HRAS_085 NG 1982.08.09-17:59:36.936 0.002 mm 0.422 mm 0.428 mm 105. HRAS_085 EG 1982.08.09-17:59:36.936 0.004 mm 0.422 mm 0.428 mm 106. HRAS_085 NG 1982.08.10-01:59:36.936 -0.006 mm 0.377 mm 0.382 mm 107. HRAS_085 EG 1982.08.10-01:59:36.936 -0.008 mm 0.377 mm 0.382 mm 108. HRAS_085 NG 1982.08.10-09:59:36.936 0.001 mm 0.377 mm 0.382 mm 109. HRAS_085 EG 1982.08.10-09:59:36.936 -0.004 mm 0.377 mm 0.382 mm 110. HRAS_085 NG 1982.08.10-17:59:36.936 0.003 mm 0.422 mm 0.428 mm 111. HRAS_085 EG 1982.08.10-17:59:36.936 0.004 mm 0.422 mm 0.428 mm 112. WESTFORD 7209 NOAM X Comp 1492206578.94 mm 35.940 mm 9.311 mm 9.432 mm 113. WESTFORD 7209 NOAM Y Comp -4458130436.99 mm 85.007 mm 42.944 mm 43.502 mm 114. WESTFORD 7209 NOAM Z Comp 4296015474.68 mm -72.318 mm 33.545 mm 33.981 mm WESTFORD 7209 U Comp -99.89 mm -99.892 mm 52.557 mm 45.993 mm WESTFORD 7209 E Comp 61.06 mm 61.063 mm 16.236 mm 14.208 mm WESTFORD 7209 N Comp -6.37 mm -6.369 mm 5.501 mm 4.814 mm 115. WESTFORD AT 0 1982.08.09-18:00:36.936 -155.271 ps 119.624 ps 121.179 ps WESTFORD Atm 1982.08.10-06:01:09.120 Avg: -118.376 ps Rms: 14.500 ps Tot_Rms: 119.261 ps || Nat: 231 Dura: 85620.0 sec Tzd_avg: 8517.1 Tzd_rms: 146.8 Wzd_avg: 969.4 Wzd_rms: 158.4 ps Prs_avg: 100578. Pa Tem_avg: 22.0 C Stm_avg: 0.5 C Stm_rms: 0.7 K Spr_avg: 737. Spr_rms: 54. Pa 188. WESTFORD NG 1982.08.09-17:59:36.936 0.003 mm 0.422 mm 0.428 mm 189. WESTFORD EG 1982.08.09-17:59:36.936 -0.001 mm 0.422 mm 0.428 mm 190. WESTFORD NG 1982.08.10-01:59:36.936 0.009 mm 0.377 mm 0.382 mm 191. WESTFORD EG 1982.08.10-01:59:36.936 0.016 mm 0.377 mm 0.382 mm 192. WESTFORD NG 1982.08.10-09:59:36.936 -0.002 mm 0.377 mm 0.382 mm 193. WESTFORD EG 1982.08.10-09:59:36.936 0.005 mm 0.377 mm 0.382 mm 194. WESTFORD NG 1982.08.10-17:59:36.936 -0.000 mm 0.422 mm 0.428 mm 195. WESTFORD EG 1982.08.10-17:59:36.936 -0.002 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.70 ps/h NRMS 0.19 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 10.13 ps/h NRMS 0.20 share 0.93 count 73 Overall RMS 9.92 ps/h NRMS 0.20 share 0.93 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.92 D-14 NRMS 0.78 share 0.29 count 25 Overall RMS 3.92 D-14 NRMS 0.78 share 0.29 count 25 196. UT1-TAI 1, 1982.08.10-05:54:00.000 -1.7694 ms/d -27.98 micros/d 267.29 micros/d 270.76 micros/d EOP epoch (TDT) MJD: 45191.246206 NUT epoch (TDT) MJD: 45191.203914 197. Nutation DPSI wrt apriori model 1982.08.10-05:54:03.816 -0.086 mas 3226.2 microasec 3268.2 microasec Nutation Dx wrt apriori model 1982.08.10-05:54:03.816 -0.041 mas 1277.9 microasec 1294.5 microasec Nutation DPSI wrt Wahr 1980 model 1982.08.10-05:54:03.816 -4.136 mas 3226.2 microasec 3268.2 microasec 198. Nutation DEPS wrt apriori model 1982.08.10-05:54:03.816 1.626 mas 1421.3 microasec 1439.8 microasec Nutation Dy wrt apriori model 1982.08.10-05:54:03.816 1.626 mas 1426.3 microasec 1444.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.08.10-05:54:03.816 0.568 mas 1421.3 microasec 1439.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1396 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.08.10 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928039.09 19.28 3134928039.09 19.28 42.78 9.28 221.82 108.47 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:42 Correlator type: Unknown Experiment code: pol074 Mark-3 db_name: $82AUG30X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820830_a Ver 2 pol074 Matrix Condition Number = 3.202578511872113E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 22.0 4.9 843.2 1.1 24.2 0.3 WESTFORD MET 16.4 2.6 1015.6 1.2 19.5 17.8 Run 26091-1737 226 Observation Pairs Available Session started on: 2445212.246000 1982.08.30 17:54:14.400 UTC Nominal duration: 86944.320 sec 01 00:09:04.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 167 62.316 ps 0.86 0.9773 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 169 Number of potentially good observations with QC 5-9: 169 Number of used observations: 167 ( 98.82%) Number of suppressed observations: 2 ( 1.18%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 167 169 62.316 0.86 19820830_a pol074 1982.08.31-05:58:46.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 14 62.193 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 0212+735 J0217+7349 6 6 14 121.950 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 0234+285 J0237+2848 13 13 14 76.326 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 0552+398 J0555+3948 20 20 20 95.720 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 1637+574 J1638+5720 2 2 20 246.874 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 2134+00 J2136+0041 8 8 15 199.939 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 3C273B J1229+0203 15 16 16 28.837 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 3C345 J1642+3948 22 22 22 41.075 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 3C454.3 J2253+1608 12 12 12 27.870 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: 4C39.25 J0927+3902 5 5 16 98.420 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: NRAO150 J0359+5057 16 16 16 90.520 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: OJ287 J0854+2006 13 14 14 54.302 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: OQ208 J1407+2827 19 19 23 103.252 19820830_a pol074 1982.08.31-05:58:46.560 SRC_STAT: VR422201 J2202+4216 5 5 10 65.219 19820830_a pol074 1982.08.31-05:58:46.560 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.08.31-05:58:14 1. HRAS_085 7216 NOAM X Comp -1324211063.36 mm -46.355 mm 6.749 mm 6.672 mm 2. HRAS_085 7216 NOAM Y Comp -5332023099.44 mm -17.445 mm 29.613 mm 29.274 mm 3. HRAS_085 7216 NOAM Z Comp 3232118359.11 mm 52.111 mm 22.305 mm 22.050 mm HRAS_085 7216 U Comp 50.74 mm 50.736 mm 35.991 mm 31.088 mm HRAS_085 7216 E Comp -40.78 mm -40.784 mm 9.218 mm 7.962 mm HRAS_085 7216 N Comp 30.52 mm 30.516 mm 6.299 mm 5.441 mm 4. HRAS_085 CL 0 1982.08.30-17:53:42.216 1796.051 ns 0.364 ns 0.360 ns 5. HRAS_085 CL 1 1982.08.30-17:53:42.216 99.919 D-14 2.128 D-14 2.104 D-14 6. HRAS_085 CL 2 1982.08.30-17:53:42.216 5.302 D-14/day 1.812 D-14/day 1.792 D-14/day 32. HRAS_085 AT 0 1982.08.30-17:53:42.216 -93.478 ps 92.835 ps 91.775 ps HRAS_085 Atm 1982.08.31-06:24:14.400 Avg: -33.919 ps Rms: 47.832 ps Tot_Rms: 58.638 ps || Nat: 226 Dura: 86940.0 sec Tzd_avg: 6909.2 Tzd_rms: 30.9 Wzd_avg: 522.2 Wzd_rms: 30.4 ps Prs_avg: 84322. Pa Tem_avg: 22.0 C Stm_avg: -2.4 C Stm_rms: 1.2 K Spr_avg: 100. Spr_rms: 64. Pa 108. HRAS_085 NG 1982.08.30-17:52:42.216 0.003 mm 0.422 mm 0.418 mm 109. HRAS_085 EG 1982.08.30-17:52:42.216 -0.004 mm 0.422 mm 0.417 mm 110. HRAS_085 NG 1982.08.31-01:52:42.216 0.003 mm 0.377 mm 0.373 mm 111. HRAS_085 EG 1982.08.31-01:52:42.216 0.007 mm 0.377 mm 0.373 mm 112. HRAS_085 NG 1982.08.31-09:52:42.216 -0.011 mm 0.377 mm 0.373 mm 113. HRAS_085 EG 1982.08.31-09:52:42.216 -0.016 mm 0.377 mm 0.373 mm 114. HRAS_085 NG 1982.08.31-17:52:42.216 -0.016 mm 0.422 mm 0.418 mm 115. HRAS_085 EG 1982.08.31-17:52:42.216 -0.020 mm 0.422 mm 0.417 mm 116. WESTFORD 7209 NOAM X Comp 1492206589.36 mm 46.355 mm 6.749 mm 6.672 mm 117. WESTFORD 7209 NOAM Y Comp -4458130504.56 mm 17.445 mm 29.613 mm 29.274 mm 118. WESTFORD 7209 NOAM Z Comp 4296015494.89 mm -52.111 mm 22.305 mm 22.050 mm WESTFORD 7209 U Comp -36.63 mm -36.627 mm 35.476 mm 30.643 mm WESTFORD 7209 E Comp 49.50 mm 49.495 mm 11.863 mm 10.247 mm WESTFORD 7209 N Comp -37.11 mm -37.112 mm 4.545 mm 3.926 mm 119. WESTFORD AT 0 1982.08.30-17:53:42.216 3.181 ps 75.152 ps 74.293 ps WESTFORD Atm 1982.08.31-06:24:14.400 Avg: -0.430 ps Rms: 30.888 ps Tot_Rms: 30.891 ps || Nat: 226 Dura: 86940.0 sec Tzd_avg: 8196.1 Tzd_rms: 128.5 Wzd_avg: 559.0 Wzd_rms: 142.6 ps Prs_avg: 101562. Pa Tem_avg: 16.4 C Stm_avg: -1.7 C Stm_rms: 1.3 K Spr_avg: 733. Spr_rms: 55. Pa 195. WESTFORD NG 1982.08.30-17:52:42.216 0.000 mm 0.422 mm 0.418 mm 196. WESTFORD EG 1982.08.30-17:52:42.216 0.002 mm 0.422 mm 0.417 mm 197. WESTFORD NG 1982.08.31-01:52:42.216 0.003 mm 0.377 mm 0.373 mm 198. WESTFORD EG 1982.08.31-01:52:42.216 -0.011 mm 0.377 mm 0.373 mm 199. WESTFORD NG 1982.08.31-09:52:42.216 -0.009 mm 0.377 mm 0.373 mm 200. WESTFORD EG 1982.08.31-09:52:42.216 -0.003 mm 0.377 mm 0.373 mm 201. WESTFORD NG 1982.08.31-17:52:42.216 -0.004 mm 0.422 mm 0.418 mm 202. WESTFORD EG 1982.08.31-17:52:42.216 0.016 mm 0.422 mm 0.417 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.48 ps/h NRMS 0.23 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.60 ps/h NRMS 0.29 share 0.91 count 76 Overall RMS 13.13 ps/h NRMS 0.26 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.43 D-14 NRMS 0.49 share 0.27 count 26 Overall RMS 2.43 D-14 NRMS 0.49 share 0.27 count 26 203. UT1-TAI 1, 1982.08.31-05:58:00.000 -1.2458 ms/d 445.87 micros/d 188.48 micros/d 186.33 micros/d EOP epoch (TDT) MJD: 45212.248984 NUT epoch (TDT) MJD: 45212.205128 204. Nutation DPSI wrt apriori model 1982.08.31-05:58:14.376 -4.491 mas 2822.2 microasec 2790.0 microasec Nutation Dx wrt apriori model 1982.08.31-05:58:14.376 -1.793 mas 1119.4 microasec 1106.6 microasec Nutation DPSI wrt Wahr 1980 model 1982.08.31-05:58:14.376 -10.095 mas 2822.2 microasec 2790.0 microasec 205. Nutation DEPS wrt apriori model 1982.08.31-05:58:14.376 1.692 mas 860.0 microasec 850.1 microasec Nutation Dy wrt apriori model 1982.08.31-05:58:14.376 1.685 mas 864.3 microasec 854.4 microasec Nutation DEPS wrt Wahr 1980 model 1982.08.31-05:58:14.376 0.465 mas 860.0 microasec 850.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0641 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.08.31 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928033.85 14.29 3134928033.85 14.29 96.36 7.29 89.81 73.64 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:45 Correlator type: Unknown Experiment code: pol075 Mark-3 db_name: $82SEP07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820907_a Ver 2 pol075 Matrix Condition Number = 3.410904855217625E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.7 4.6 844.3 0.8 27.2 1.5 WESTFORD MET 13.9 2.7 1020.3 0.7 23.0 1.9 Run 26091-1737 235 Observation Pairs Available Session started on: 2445220.244600 1982.09.07 17:52:13.440 UTC Nominal duration: 88680.960 sec 01 00:38:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 155 62.491 ps 0.88 1.0401 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 159 Number of potentially good observations with QC 5-9: 159 Number of used observations: 155 ( 97.48%) Number of suppressed observations: 4 ( 2.52%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 155 159 62.491 0.88 19820907_a pol075 1982.09.08-06:11:13.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 9 13 127.685 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 0212+735 J0217+7349 4 5 14 102.235 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 0234+285 J0237+2848 14 14 15 106.643 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 0552+398 J0555+3948 18 18 22 108.121 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 1637+574 J1638+5720 2 2 21 144.641 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 2134+00 J2136+0041 6 6 15 100.470 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 3C273B J1229+0203 17 17 17 40.567 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 3C345 J1642+3948 20 20 22 31.570 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 3C454.3 J2253+1608 13 13 14 35.673 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: 4C39.25 J0927+3902 3 3 16 65.658 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: NRAO150 J0359+5057 15 15 15 85.598 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: OJ287 J0854+2006 15 15 15 68.089 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: OQ208 J1407+2827 15 17 24 110.550 19820907_a pol075 1982.09.08-06:11:13.920 SRC_STAT: VR422201 J2202+4216 5 5 12 88.912 19820907_a pol075 1982.09.08-06:11:13.920 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.09.08-06:10:41 1. HRAS_085 7216 NOAM X Comp -1324211010.06 mm 6.938 mm 7.060 mm 7.200 mm 2. HRAS_085 7216 NOAM Y Comp -5332023289.56 mm -207.565 mm 29.911 mm 30.505 mm 3. HRAS_085 7216 NOAM Z Comp 3232118407.85 mm 100.852 mm 23.830 mm 24.303 mm HRAS_085 7216 U Comp 223.28 mm 223.281 mm 36.537 mm 32.199 mm HRAS_085 7216 E Comp 56.76 mm 56.763 mm 11.082 mm 9.766 mm HRAS_085 7216 N Comp -15.03 mm -15.029 mm 7.388 mm 6.511 mm 4. HRAS_085 CL 0 1982.09.07-17:51:41.256 2931.101 ns 0.406 ns 0.414 ns 5. HRAS_085 CL 1 1982.09.07-17:51:41.256 104.041 D-14 2.136 D-14 2.178 D-14 6. HRAS_085 CL 2 1982.09.07-17:51:41.256 6.040 D-14/day 1.754 D-14/day 1.789 D-14/day 32. HRAS_085 AT 0 1982.09.07-17:51:41.256 -56.424 ps 85.266 ps 86.960 ps HRAS_085 Atm 1982.09.08-06:22:13.440 Avg: -41.546 ps Rms: 27.506 ps Tot_Rms: 49.826 ps || Nat: 235 Dura: 88680.0 sec Tzd_avg: 6779.4 Tzd_rms: 34.1 Wzd_avg: 378.0 Wzd_rms: 35.1 ps Prs_avg: 84428. Pa Tem_avg: 18.7 C Stm_avg: -2.1 C Stm_rms: 2.3 K Spr_avg: 82. Spr_rms: 52. Pa 108. HRAS_085 NG 1982.09.07-17:50:41.256 -0.001 mm 0.422 mm 0.431 mm 109. HRAS_085 EG 1982.09.07-17:50:41.256 -0.003 mm 0.422 mm 0.431 mm 110. HRAS_085 NG 1982.09.08-01:50:41.256 -0.006 mm 0.377 mm 0.385 mm 111. HRAS_085 EG 1982.09.08-01:50:41.256 0.008 mm 0.377 mm 0.384 mm 112. HRAS_085 NG 1982.09.08-09:50:41.256 -0.018 mm 0.377 mm 0.384 mm 113. HRAS_085 EG 1982.09.08-09:50:41.256 -0.007 mm 0.377 mm 0.384 mm 114. HRAS_085 NG 1982.09.08-17:50:41.256 -0.002 mm 0.422 mm 0.431 mm 115. HRAS_085 EG 1982.09.08-17:50:41.256 0.016 mm 0.422 mm 0.431 mm 116. WESTFORD 7209 NOAM X Comp 1492206536.06 mm -6.938 mm 7.060 mm 7.200 mm 117. WESTFORD 7209 NOAM Y Comp -4458130314.44 mm 207.565 mm 29.911 mm 30.505 mm 118. WESTFORD 7209 NOAM Z Comp 4296015446.15 mm -100.852 mm 23.830 mm 24.303 mm WESTFORD 7209 U Comp -214.76 mm -214.758 mm 37.252 mm 32.829 mm WESTFORD 7209 E Comp 59.30 mm 59.303 mm 10.209 mm 8.997 mm WESTFORD 7209 N Comp 60.53 mm 60.533 mm 4.521 mm 3.984 mm 119. WESTFORD AT 0 1982.09.07-17:51:41.256 40.321 ps 96.574 ps 98.493 ps WESTFORD Atm 1982.09.08-06:22:13.440 Avg: 4.736 ps Rms: 33.907 ps Tot_Rms: 34.236 ps || Nat: 235 Dura: 88680.0 sec Tzd_avg: 7976.4 Tzd_rms: 54.1 Wzd_avg: 292.5 Wzd_rms: 54.7 ps Prs_avg: 102035. Pa Tem_avg: 13.9 C Stm_avg: -1.2 C Stm_rms: 0.9 K Spr_avg: 711. Spr_rms: 39. Pa 195. WESTFORD NG 1982.09.07-17:50:41.256 -0.001 mm 0.422 mm 0.431 mm 196. WESTFORD EG 1982.09.07-17:50:41.256 0.007 mm 0.422 mm 0.431 mm 197. WESTFORD NG 1982.09.08-01:50:41.256 -0.003 mm 0.377 mm 0.385 mm 198. WESTFORD EG 1982.09.08-01:50:41.256 -0.000 mm 0.377 mm 0.384 mm 199. WESTFORD NG 1982.09.08-09:50:41.256 -0.010 mm 0.377 mm 0.385 mm 200. WESTFORD EG 1982.09.08-09:50:41.256 0.015 mm 0.377 mm 0.384 mm 201. WESTFORD NG 1982.09.08-17:50:41.256 -0.011 mm 0.422 mm 0.431 mm 202. WESTFORD EG 1982.09.08-17:50:41.256 -0.009 mm 0.422 mm 0.431 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.91 ps/h NRMS 0.26 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.52 ps/h NRMS 0.25 share 0.92 count 76 Overall RMS 12.72 ps/h NRMS 0.25 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.97 D-14 NRMS 0.59 share 0.26 count 26 Overall RMS 2.97 D-14 NRMS 0.59 share 0.26 count 26 203. UT1-TAI 1, 1982.09.08-06:11:00.000 -2.4887 ms/d 170.59 micros/d 216.85 micros/d 221.16 micros/d EOP epoch (TDT) MJD: 45220.258011 NUT epoch (TDT) MJD: 45220.240403 204. Nutation DPSI wrt apriori model 1982.09.08-06:10:41.736 -1.311 mas 3106.1 microasec 3167.8 microasec Nutation Dx wrt apriori model 1982.09.08-06:10:41.736 -0.524 mas 1232.0 microasec 1256.5 microasec Nutation DPSI wrt Wahr 1980 model 1982.09.08-06:10:41.736 -6.757 mas 3106.1 microasec 3167.8 microasec 205. Nutation DEPS wrt apriori model 1982.09.08-06:10:41.736 0.697 mas 937.6 microasec 956.2 microasec Nutation Dy wrt apriori model 1982.09.08-06:10:41.736 0.695 mas 942.3 microasec 961.1 microasec Nutation DEPS wrt Wahr 1980 model 1982.09.08-06:10:41.736 -0.247 mas 937.6 microasec 956.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1429 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.09.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928011.01 14.23 3134928011.01 14.23 -87.09 8.04 452.12 76.04 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:48 Correlator type: Unknown Experiment code: pol076 Mark-3 db_name: $82SEP13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820913_a Ver 2 pol076 Matrix Condition Number = 5.063400377011399E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.2 5.7 840.6 1.4 16.7 7.0 ONSALA60 MET 12.8 1.3 1018.9 0.5 79.2 1.1 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 18.0 2.5 1017.8 0.9 55.1 3.3 Run 26091-1737 459 Observation Pairs Available Session started on: 2445226.239400 1982.09.13 17:44:44.160 UTC Nominal duration: 87989.760 sec 01 00:26:29.760 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 128 65.879 ps 0.73 0.9133 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 130 Number of potentially good observations with QC 5-9: 130 Number of used observations: 128 ( 98.46%) Number of suppressed observations: 2 ( 1.54%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 70 71 68.989 0.81 19820913_a pol076 1982.09.14-05:57:59.0 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 58 59 60.638 0.62 19820913_a pol076 1982.09.14-05:57:59.0 BAS_STAT Not included: HRAS_085 ONSALA60 0/ 0 deselected baseline 19820913_a pol076 HRAS_085 ONSALA85 0/ 0 deselected baseline 19820913_a pol076 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820913_a pol076 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 19 135.461 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 0212+735 J0217+7349 17 17 50 114.413 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 0234+285 J0237+2848 12 12 30 64.062 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 0552+398 J0555+3948 11 12 33 57.239 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 1637+574 J1638+5720 6 6 46 171.140 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 2134+00 J2136+0041 1 1 23 10.910 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 3C273B J1229+0203 13 13 19 39.611 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 3C345 J1642+3948 12 13 27 40.841 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 3C454.3 J2253+1608 11 11 23 29.644 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: 4C39.25 J0927+3902 2 2 44 48.899 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: NRAO150 J0359+5057 10 10 45 53.654 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: OJ287 J0854+2006 14 14 32 85.219 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: OQ208 J1407+2827 11 11 31 89.719 19820913_a pol076 1982.09.14-05:57:59.040 SRC_STAT: VR422201 J2202+4216 0 0 37 0.000 19820913_a pol076 1982.09.14-05:57:59.040 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.09.14-05:57:26 1. HRAS_085 7216 NOAM X Comp -1324210999.09 mm 17.910 mm 28.137 mm 26.890 mm 2. HRAS_085 7216 NOAM Y Comp -5332023351.81 mm -269.805 mm 88.035 mm 84.132 mm 3. HRAS_085 7216 NOAM Z Comp 3232118529.39 mm 222.385 mm 59.940 mm 57.282 mm HRAS_085 7216 U Comp 334.91 mm 334.913 mm 106.180 mm 77.506 mm HRAS_085 7216 E Comp 82.41 mm 82.413 mm 17.635 mm 12.873 mm HRAS_085 7216 N Comp 60.11 mm 60.106 mm 23.441 mm 17.111 mm 4. HRAS_085 CL 0 1982.09.13-17:44:11.976 3590.523 ns 0.829 ns 0.792 ns 5. HRAS_085 CL 1 1982.09.13-17:44:11.976 106.625 D-14 2.147 D-14 2.052 D-14 6. HRAS_085 CL 2 1982.09.13-17:44:11.976 4.644 D-14/day 1.810 D-14/day 1.730 D-14/day 32. HRAS_085 AT 0 1982.09.13-17:44:11.976 -437.425 ps 303.851 ps 290.380 ps HRAS_085 Atm 1982.09.14-06:14:44.160 Avg: -416.901 ps Rms: 10.699 ps Tot_Rms: 417.038 ps || Nat: 117 Dura: 87480.0 sec Tzd_avg: 6832.6 Tzd_rms: 55.0 Wzd_avg: 460.4 Wzd_rms: 51.8 ps Prs_avg: 84056. Pa Tem_avg: 18.6 C Stm_avg: -3.2 C Stm_rms: 3.1 K Spr_avg: 55. Spr_rms: 63. Pa 108. HRAS_085 NG 1982.09.13-17:43:11.976 0.021 mm 0.422 mm 0.404 mm 109. HRAS_085 EG 1982.09.13-17:43:11.976 -0.010 mm 0.422 mm 0.404 mm 110. HRAS_085 NG 1982.09.14-01:43:11.976 0.003 mm 0.377 mm 0.360 mm 111. HRAS_085 EG 1982.09.14-01:43:11.976 -0.009 mm 0.377 mm 0.360 mm 112. HRAS_085 NG 1982.09.14-09:43:11.976 -0.011 mm 0.377 mm 0.360 mm 113. HRAS_085 EG 1982.09.14-09:43:11.976 -0.011 mm 0.377 mm 0.360 mm 114. HRAS_085 NG 1982.09.14-17:43:11.976 -0.017 mm 0.422 mm 0.404 mm 115. HRAS_085 EG 1982.09.14-17:43:11.976 0.023 mm 0.422 mm 0.404 mm 116. ONSALA60 7213 EURA X Comp 3370605937.38 mm -51.621 mm 33.833 mm 32.333 mm 117. ONSALA60 7213 EURA Y Comp 711917542.98 mm 13.977 mm 45.764 mm 43.735 mm 118. ONSALA60 7213 EURA Z Comp 5349830556.58 mm -209.419 mm 55.669 mm 53.201 mm ONSALA60 7213 U Comp -202.08 mm -202.076 mm 57.938 mm 42.292 mm ONSALA60 7213 E Comp 24.34 mm 24.343 mm 43.807 mm 31.977 mm ONSALA60 7213 N Comp -72.73 mm -72.727 mm 32.591 mm 23.790 mm 119. ONSALA60 CL 0 1982.09.13-17:44:11.976 8396.467 ns 0.409 ns 0.391 ns 120. ONSALA60 CL 1 1982.09.13-17:44:11.976 261.909 D-14 2.206 D-14 2.109 D-14 121. ONSALA60 CL 2 1982.09.13-17:44:11.976 3.350 D-14/day 1.923 D-14/day 1.838 D-14/day 147. ONSALA60 AT 0 1982.09.13-17:44:11.976 61.042 ps 112.875 ps 107.871 ps ONSALA60 Atm 1982.09.14-06:14:44.160 Avg: 95.989 ps Rms: 23.728 ps Tot_Rms: 98.878 ps || Nat: 122 Dura: 87150.0 sec Tzd_avg: 8093.5 Tzd_rms: 60.3 Wzd_avg: 396.2 Wzd_rms: 58.4 ps Prs_avg: 101887. Pa Tem_avg: 12.7 C Stm_avg: -0.8 C Stm_rms: 0.8 K Spr_avg: 202. Spr_rms: 33. Pa 223. ONSALA60 NG 1982.09.13-17:43:11.976 0.005 mm 0.422 mm 0.404 mm 224. ONSALA60 EG 1982.09.13-17:43:11.976 0.002 mm 0.422 mm 0.404 mm 225. ONSALA60 NG 1982.09.14-01:43:11.976 0.000 mm 0.377 mm 0.360 mm 226. ONSALA60 EG 1982.09.14-01:43:11.976 0.003 mm 0.377 mm 0.360 mm 227. ONSALA60 NG 1982.09.14-09:43:11.976 -0.009 mm 0.377 mm 0.360 mm 228. ONSALA60 EG 1982.09.14-09:43:11.976 -0.003 mm 0.377 mm 0.360 mm 229. ONSALA60 NG 1982.09.14-17:43:11.976 -0.022 mm 0.422 mm 0.404 mm 230. ONSALA60 EG 1982.09.14-17:43:11.976 -0.006 mm 0.422 mm 0.404 mm 231. WESTFORD 7209 NOAM X Comp 1492206576.71 mm 33.711 mm 20.025 mm 19.137 mm 232. WESTFORD 7209 NOAM Y Comp -4458130266.17 mm 255.828 mm 50.423 mm 48.187 mm 233. WESTFORD 7209 NOAM Z Comp 4296015534.03 mm -12.967 mm 42.977 mm 41.071 mm WESTFORD 7209 U Comp -179.44 mm -179.444 mm 61.296 mm 44.743 mm WESTFORD 7209 E Comp 113.17 mm 113.170 mm 28.170 mm 20.563 mm WESTFORD 7209 N Comp 147.46 mm 147.463 mm 15.481 mm 11.300 mm 234. WESTFORD AT 0 1982.09.13-17:44:11.976 25.062 ps 71.494 ps 68.324 ps WESTFORD Atm 1982.09.14-06:14:44.160 Avg: 13.885 ps Rms: 16.861 ps Tot_Rms: 21.842 ps || Nat: 179 Dura: 87990.0 sec Tzd_avg: 8154.9 Tzd_rms: 21.2 Wzd_avg: 501.1 Wzd_rms: 17.1 ps Prs_avg: 101776. Pa Tem_avg: 18.1 C Stm_avg: -2.9 C Stm_rms: 2.3 K Spr_avg: 751. Spr_rms: 58. Pa 310. WESTFORD NG 1982.09.13-17:43:11.976 -0.032 mm 0.422 mm 0.403 mm 311. WESTFORD EG 1982.09.13-17:43:11.976 0.009 mm 0.422 mm 0.403 mm 312. WESTFORD NG 1982.09.14-01:43:11.976 -0.015 mm 0.377 mm 0.360 mm 313. WESTFORD EG 1982.09.14-01:43:11.976 0.007 mm 0.377 mm 0.360 mm 314. WESTFORD NG 1982.09.14-09:43:11.976 0.001 mm 0.377 mm 0.360 mm 315. WESTFORD EG 1982.09.14-09:43:11.976 0.006 mm 0.377 mm 0.360 mm 316. WESTFORD NG 1982.09.14-17:43:11.976 0.024 mm 0.422 mm 0.404 mm 317. WESTFORD EG 1982.09.14-17:43:11.976 -0.026 mm 0.422 mm 0.403 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 5.37 ps/h NRMS 0.11 share 0.96 count 76 2. ONSALA60 Input 50.00 ps/h RMS 5.55 ps/h NRMS 0.11 share 0.95 count 76 4. WESTFORD Input 50.00 ps/h RMS 10.02 ps/h NRMS 0.20 share 0.93 count 76 Overall RMS 7.31 ps/h NRMS 0.15 share 0.95 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.48 D-14 NRMS 0.50 share 0.43 count 26 2. ONSALA60 Input 5.00 D-14 RMS 2.52 D-14 NRMS 0.50 share 0.50 count 26 Overall RMS 2.50 D-14 NRMS 0.50 share 0.46 count 52 318. UT1-TAI 1, 1982.09.14-05:58:00.000 -2.3339 ms/d -315.05 micros/d 114.99 micros/d 109.89 micros/d EOP epoch (TDT) MJD: 45226.248984 NUT epoch (TDT) MJD: 45226.253134 319. Nutation DPSI wrt apriori model 1982.09.14-05:57:26.856 -0.093 mas 2423.4 microasec 2316.0 microasec Nutation Dx wrt apriori model 1982.09.14-05:57:26.856 -0.042 mas 960.5 microasec 917.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.09.14-05:57:26.856 -5.445 mas 2423.4 microasec 2316.0 microasec 320. Nutation DEPS wrt apriori model 1982.09.14-05:57:26.856 1.362 mas 921.1 microasec 880.3 microasec Nutation Dy wrt apriori model 1982.09.14-05:57:26.856 1.362 mas 924.8 microasec 883.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.09.14-05:57:26.856 0.710 mas 921.1 microasec 880.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1259 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.09.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928057.05 40.89 3134928057.05 40.89 -109.98 12.74 559.73 160.24 ONSALA60 7213 to WESTFORD 7209 5600741433.84 35.64 5600741433.84 35.64 76.08 12.40 -123.10 93.26 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:51 Correlator type: Unknown Experiment code: pol077 Mark-3 db_name: $82SEP20X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820920_a Ver 2 pol077 Matrix Condition Number = 1.525136753206204E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 15.1 3.1 844.3 1.5 49.7 6.4 ONSALA60 MET 15.0 0.5 999.0 2.6 90.8 0.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 11.2 1.4 1010.4 1.3 69.7 5.4 Run 26091-1737 417 Observation Pairs Available Session started on: 2445233.238900 1982.09.20 17:44:00.960 UTC Nominal duration: 88257.600 sec 01 00:30:57.600 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 84 76.625 ps 0.70 0.9960 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 94 Number of potentially good observations with QC 5-9: 94 Number of used observations: 84 ( 89.36%) Number of suppressed observations: 10 ( 10.64%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 51 60 73.446 0.73 19820920_a pol077 1982.09.21-05:59:29.7 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 33 34 83.695 0.67 19820920_a pol077 1982.09.21-05:59:29.7 BAS_STAT Not included: HRAS_085 ONSALA60 0/ 0 deselected baseline 19820920_a pol077 HRAS_085 ONSALA85 0/ 0 deselected baseline 19820920_a pol077 ONSALA85 WESTFORD 0/ 0 deselected baseline 19820920_a pol077 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 1 1 18 192.006 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 0212+735 J0217+7349 5 5 47 109.430 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 0234+285 J0237+2848 9 9 22 89.125 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 0552+398 J0555+3948 12 12 38 51.750 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 1637+574 J1638+5720 2 2 36 79.013 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 2134+00 J2136+0041 0 0 21 0.000 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 3C273B J1229+0203 2 10 16 36.913 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 3C345 J1642+3948 10 11 24 47.224 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 3C454.3 J2253+1608 10 10 23 103.140 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: 4C39.25 J0927+3902 3 3 29 89.786 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: NRAO150 J0359+5057 12 13 44 61.097 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: OJ287 J0854+2006 14 14 30 79.510 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: OQ208 J1407+2827 4 4 21 77.350 19820920_a pol077 1982.09.21-05:59:29.760 SRC_STAT: VR422201 J2202+4216 0 0 48 0.000 19820920_a pol077 1982.09.21-05:59:29.760 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.09.21-05:58:57 1. HRAS_085 7216 NOAM X Comp -1324211102.69 mm -85.685 mm 52.034 mm 51.930 mm 2. HRAS_085 7216 NOAM Y Comp -5332023064.10 mm 17.895 mm 142.669 mm 142.383 mm 3. HRAS_085 7216 NOAM Z Comp 3232118408.51 mm 101.513 mm 104.005 mm 103.796 mm HRAS_085 7216 U Comp 54.56 mm 54.556 mm 173.736 mm 122.277 mm HRAS_085 7216 E Comp -87.47 mm -87.472 mm 35.450 mm 24.950 mm HRAS_085 7216 N Comp 85.67 mm 85.669 mm 49.377 mm 34.752 mm 4. HRAS_085 CL 0 1982.09.20-17:43:28.776 6133.150 ns 1.339 ns 1.337 ns 5. HRAS_085 CL 1 1982.09.20-17:43:28.776 80.639 D-14 8.603 D-14 8.585 D-14 6. HRAS_085 CL 2 1982.09.20-17:43:28.776 31.330 D-14/day 62.123 D-14/day 61.998 D-14/day 7. HRAS_085 BR 0 1982.09.20-21:14:55.398 2.907 ns 0.297 ns 0.296 ns 8. HRAS_085 BR 1 1982.09.20-21:14:55.398 621.415 D-14 12.378 D-14 12.353 D-14 9. HRAS_085 BR 2 1982.09.20-21:14:55.398 282.273 D-14/day 73.987 D-14/day 73.838 D-14/day 10. HRAS_085 BR 0 1982.09.21-00:58:55.412 107.466 ns 0.356 ns 0.356 ns 11. HRAS_085 BR 1 1982.09.21-00:58:55.412 1318.728 D-14 8.130 D-14 8.113 D-14 12. HRAS_085 BR 2 1982.09.21-00:58:55.412 -324.112 D-14/day 39.860 D-14/day 39.780 D-14/day 38. HRAS_085 AT 0 1982.09.20-17:43:28.776 334.697 ps 496.175 ps 495.181 ps HRAS_085 Atm 1982.09.21-06:14:00.960 Avg: 297.078 ps Rms: 28.708 ps Tot_Rms: 298.462 ps || Nat: 117 Dura: 87420.0 sec Tzd_avg: 6965.8 Tzd_rms: 11.9 Wzd_avg: 567.0 Wzd_rms: 18.0 ps Prs_avg: 84432. Pa Tem_avg: 15.5 C Stm_avg: -1.2 C Stm_rms: 1.0 K Spr_avg: 38. Spr_rms: 61. Pa 114. HRAS_085 NG 1982.09.20-17:42:28.776 -0.004 mm 0.422 mm 0.422 mm 115. HRAS_085 EG 1982.09.20-17:42:28.776 -0.012 mm 0.422 mm 0.422 mm 116. HRAS_085 NG 1982.09.21-01:42:28.776 -0.004 mm 0.377 mm 0.376 mm 117. HRAS_085 EG 1982.09.21-01:42:28.776 -0.007 mm 0.377 mm 0.376 mm 118. HRAS_085 NG 1982.09.21-09:42:28.776 0.004 mm 0.377 mm 0.376 mm 119. HRAS_085 EG 1982.09.21-09:42:28.776 0.015 mm 0.377 mm 0.376 mm 120. HRAS_085 NG 1982.09.21-17:42:28.776 0.004 mm 0.422 mm 0.422 mm 121. HRAS_085 EG 1982.09.21-17:42:28.776 0.009 mm 0.422 mm 0.422 mm 122. ONSALA60 7213 EURA X Comp 3370606185.96 mm 196.956 mm 69.136 mm 68.998 mm 123. ONSALA60 7213 EURA Y Comp 711917349.48 mm -179.520 mm 75.665 mm 75.514 mm 124. ONSALA60 7213 EURA Z Comp 5349830654.20 mm -111.797 mm 115.830 mm 115.598 mm ONSALA60 7213 U Comp -10.33 mm -10.334 mm 122.062 mm 85.908 mm ONSALA60 7213 E Comp -216.35 mm -216.346 mm 73.692 mm 51.865 mm ONSALA60 7213 N Comp -191.32 mm -191.324 mm 59.933 mm 42.181 mm 125. ONSALA60 CL 0 1982.09.20-17:43:28.776 9137.796 ns 0.784 ns 0.783 ns 126. ONSALA60 CL 1 1982.09.20-17:43:28.776 252.508 D-14 3.036 D-14 3.030 D-14 127. ONSALA60 CL 2 1982.09.20-17:43:28.776 5.699 D-14/day 3.150 D-14/day 3.144 D-14/day 153. ONSALA60 AT 0 1982.09.20-17:43:28.776 -110.880 ps 143.731 ps 143.443 ps ONSALA60 Atm 1982.09.21-06:14:00.960 Avg: -89.308 ps Rms: 16.277 ps Tot_Rms: 90.779 ps || Nat: 106 Dura: 75180.0 sec Tzd_avg: 8184.7 Tzd_rms: 67.3 Wzd_avg: 643.5 Wzd_rms: 53.0 ps Prs_avg: 99914. Pa Tem_avg: 15.0 C Stm_avg: -1.1 C Stm_rms: 0.4 K Spr_avg: 176. Spr_rms: 25. Pa 229. ONSALA60 NG 1982.09.20-17:42:28.776 0.002 mm 0.422 mm 0.422 mm 230. ONSALA60 EG 1982.09.20-17:42:28.776 -0.002 mm 0.422 mm 0.422 mm 231. ONSALA60 NG 1982.09.21-01:42:28.776 0.002 mm 0.377 mm 0.376 mm 232. ONSALA60 EG 1982.09.21-01:42:28.776 -0.003 mm 0.377 mm 0.376 mm 233. ONSALA60 NG 1982.09.21-09:42:28.776 -0.003 mm 0.377 mm 0.376 mm 234. ONSALA60 EG 1982.09.21-09:42:28.776 0.003 mm 0.377 mm 0.376 mm 235. ONSALA60 NG 1982.09.21-17:42:28.776 0.001 mm 0.422 mm 0.422 mm 236. ONSALA60 EG 1982.09.21-17:42:28.776 0.001 mm 0.422 mm 0.422 mm 237. WESTFORD 7209 NOAM X Comp 1492206431.73 mm -111.271 mm 37.988 mm 37.912 mm 238. WESTFORD 7209 NOAM Y Comp -4458130360.38 mm 161.624 mm 78.575 mm 78.417 mm 239. WESTFORD 7209 NOAM Z Comp 4296015557.28 mm 10.285 mm 80.859 mm 80.697 mm WESTFORD 7209 U Comp -131.82 mm -131.825 mm 104.135 mm 73.291 mm WESTFORD 7209 E Comp -54.22 mm -54.216 mm 48.724 mm 34.292 mm WESTFORD 7209 N Comp 135.25 mm 135.249 mm 30.613 mm 21.545 mm 240. WESTFORD AT 0 1982.09.20-17:43:28.776 203.511 ps 88.329 ps 88.152 ps WESTFORD Atm 1982.09.21-06:14:00.960 Avg: 144.134 ps Rms: 38.613 ps Tot_Rms: 149.217 ps || Nat: 165 Dura: 88260.0 sec Tzd_avg: 8173.9 Tzd_rms: 100.5 Wzd_avg: 578.7 Wzd_rms: 111.7 ps Prs_avg: 101042. Pa Tem_avg: 11.3 C Stm_avg: -1.8 C Stm_rms: 2.1 K Spr_avg: 759. Spr_rms: 44. Pa 316. WESTFORD NG 1982.09.20-17:42:28.776 0.001 mm 0.422 mm 0.422 mm 317. WESTFORD EG 1982.09.20-17:42:28.776 0.018 mm 0.422 mm 0.421 mm 318. WESTFORD NG 1982.09.21-01:42:28.776 0.003 mm 0.377 mm 0.376 mm 319. WESTFORD EG 1982.09.21-01:42:28.776 0.018 mm 0.377 mm 0.376 mm 320. WESTFORD NG 1982.09.21-09:42:28.776 -0.001 mm 0.377 mm 0.376 mm 321. WESTFORD EG 1982.09.21-09:42:28.776 -0.010 mm 0.377 mm 0.376 mm 322. WESTFORD NG 1982.09.21-17:42:28.776 -0.002 mm 0.422 mm 0.422 mm 323. WESTFORD EG 1982.09.21-17:42:28.776 -0.002 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 6.77 ps/h NRMS 0.14 share 0.98 count 76 2. ONSALA60 Input 50.00 ps/h RMS 6.71 ps/h NRMS 0.13 share 0.97 count 76 4. WESTFORD Input 50.00 ps/h RMS 9.70 ps/h NRMS 0.19 share 0.95 count 76 Overall RMS 7.85 ps/h NRMS 0.16 share 0.96 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.43 D-14 NRMS 0.89 share 0.68 count 26 2. ONSALA60 Input 5.00 D-14 RMS 1.79 D-14 NRMS 0.36 share 0.74 count 26 Overall RMS 3.38 D-14 NRMS 0.68 share 0.71 count 52 324. UT1-TAI 1, 1982.09.21-05:59:00.000 -2.7404 ms/d -477.38 micros/d 247.31 micros/d 246.81 micros/d EOP epoch (TDT) MJD: 45233.249678 NUT epoch (TDT) MJD: 45233.257172 325. Nutation DPSI wrt apriori model 1982.09.21-05:58:57.576 -2.562 mas 6856.0 microasec 6842.2 microasec Nutation Dx wrt apriori model 1982.09.21-05:58:57.576 -1.019 mas 2718.4 microasec 2713.0 microasec Nutation DPSI wrt Wahr 1980 model 1982.09.21-05:58:57.576 -8.085 mas 6856.0 microasec 6842.2 microasec 326. Nutation DEPS wrt apriori model 1982.09.21-05:58:57.576 -0.093 mas 2321.8 microasec 2317.2 microasec Nutation Dy wrt apriori model 1982.09.21-05:58:57.576 -0.097 mas 2332.4 microasec 2327.7 microasec Nutation DEPS wrt Wahr 1980 model 1982.09.21-05:58:57.576 -0.354 mas 2321.8 microasec 2317.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5038 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.09.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134927962.32 66.21 3134927962.32 66.21 -23.96 31.20 169.91 258.44 ONSALA60 7213 to WESTFORD 7209 5600741488.17 56.12 5600741488.17 56.12 389.61 35.10 139.62 194.66 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:54 Correlator type: Unknown Experiment code: pol078 Mark-3 db_name: $82SEP27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19820927_a Ver 2 pol078 Matrix Condition Number = 1.922445472034173E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 22.1 4.0 833.7 1.6 18.8 2.3 WESTFORD MET 15.0 1.0 1007.9 2.8 99.5 39.7 Run 26091-1737 235 Observation Pairs Available Session started on: 2445240.237000 1982.09.27 17:41:16.800 UTC Nominal duration: 87713.280 sec 01 00:21:53.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 162 71.035 ps 0.88 1.0284 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 171 Number of potentially good observations with QC 5-9: 171 Number of used observations: 162 ( 94.74%) Number of suppressed observations: 9 ( 5.26%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 162 171 71.035 0.88 19820927_a pol078 1982.09.28-05:52:13.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 15 84.042 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 0212+735 J0217+7349 7 7 15 94.167 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 0234+285 J0237+2848 15 15 15 85.290 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 0552+398 J0555+3948 19 19 19 82.594 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 1637+574 J1638+5720 2 2 20 245.938 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 2134+00 J2136+0041 9 9 16 111.253 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 3C273B J1229+0203 8 13 15 50.735 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 3C345 J1642+3948 22 22 22 48.653 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 3C454.3 J2253+1608 14 15 15 31.571 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: 4C39.25 J0927+3902 3 4 16 149.674 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: NRAO150 J0359+5057 15 15 16 90.845 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: OJ287 J0854+2006 14 16 16 67.051 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: OQ208 J1407+2827 16 16 23 117.818 19820927_a pol078 1982.09.28-05:52:13.440 SRC_STAT: VR422201 J2202+4216 3 3 12 185.854 19820927_a pol078 1982.09.28-05:52:13.440 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.09.28-05:51:41 1. HRAS_085 7216 NOAM X Comp -1324211068.55 mm -51.551 mm 5.992 mm 6.077 mm 2. HRAS_085 7216 NOAM Y Comp -5332023139.06 mm -57.059 mm 22.857 mm 23.179 mm 3. HRAS_085 7216 NOAM Z Comp 3232118395.03 mm 88.035 mm 17.817 mm 18.068 mm HRAS_085 7216 U Comp 103.20 mm 103.200 mm 28.078 mm 24.812 mm HRAS_085 7216 E Comp -36.28 mm -36.278 mm 6.810 mm 6.018 mm HRAS_085 7216 N Comp 41.19 mm 41.195 mm 6.408 mm 5.663 mm 4. HRAS_085 CL 0 1982.09.27-17:40:44.616 9697.148 ns 0.348 ns 0.353 ns 5. HRAS_085 CL 1 1982.09.27-17:40:44.616 114.151 D-14 2.199 D-14 2.230 D-14 6. HRAS_085 CL 2 1982.09.27-17:40:44.616 0.040 D-14/day 1.846 D-14/day 1.872 D-14/day 32. HRAS_085 AT 0 1982.09.27-17:40:44.616 -186.135 ps 90.033 ps 91.301 ps HRAS_085 Atm 1982.09.28-06:11:16.800 Avg: -122.907 ps Rms: 24.275 ps Tot_Rms: 125.281 ps || Nat: 235 Dura: 87710.0 sec Tzd_avg: 6816.0 Tzd_rms: 38.7 Wzd_avg: 494.3 Wzd_rms: 30.6 ps Prs_avg: 83367. Pa Tem_avg: 22.1 C Stm_avg: -1.4 C Stm_rms: 2.0 K Spr_avg: 18. Spr_rms: 70. Pa 108. HRAS_085 NG 1982.09.27-17:39:44.616 0.001 mm 0.422 mm 0.428 mm 109. HRAS_085 EG 1982.09.27-17:39:44.616 0.011 mm 0.422 mm 0.428 mm 110. HRAS_085 NG 1982.09.28-01:39:44.616 -0.008 mm 0.377 mm 0.382 mm 111. HRAS_085 EG 1982.09.28-01:39:44.616 -0.011 mm 0.377 mm 0.382 mm 112. HRAS_085 NG 1982.09.28-09:39:44.616 0.006 mm 0.377 mm 0.382 mm 113. HRAS_085 EG 1982.09.28-09:39:44.616 0.004 mm 0.377 mm 0.382 mm 114. HRAS_085 NG 1982.09.28-17:39:44.616 0.001 mm 0.422 mm 0.428 mm 115. HRAS_085 EG 1982.09.28-17:39:44.616 0.007 mm 0.422 mm 0.428 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.55 mm 51.551 mm 5.992 mm 6.077 mm 117. WESTFORD 7209 NOAM Y Comp -4458130464.94 mm 57.059 mm 22.857 mm 23.179 mm 118. WESTFORD 7209 NOAM Z Comp 4296015458.97 mm -88.035 mm 17.817 mm 18.068 mm WESTFORD 7209 U Comp -87.38 mm -87.382 mm 27.254 mm 24.085 mm WESTFORD 7209 E Comp 67.00 mm 66.996 mm 10.384 mm 9.176 mm WESTFORD 7209 N Comp -39.23 mm -39.233 mm 5.019 mm 4.435 mm 119. WESTFORD AT 0 1982.09.27-17:40:44.616 -58.348 ps 88.547 ps 89.794 ps WESTFORD Atm 1982.09.28-06:11:16.800 Avg: -31.206 ps Rms: 28.765 ps Tot_Rms: 42.441 ps || Nat: 235 Dura: 87710.0 sec Tzd_avg: 8072.0 Tzd_rms: 156.8 Wzd_avg: 493.9 Wzd_rms: 171.8 ps Prs_avg: 100793. Pa Tem_avg: 15.0 C Stm_avg: -2.7 C Stm_rms: 1.4 K Spr_avg: 768. Spr_rms: 57. Pa 195. WESTFORD NG 1982.09.27-17:39:44.616 -0.012 mm 0.422 mm 0.428 mm 196. WESTFORD EG 1982.09.27-17:39:44.616 -0.004 mm 0.422 mm 0.428 mm 197. WESTFORD NG 1982.09.28-01:39:44.616 -0.004 mm 0.377 mm 0.382 mm 198. WESTFORD EG 1982.09.28-01:39:44.616 0.022 mm 0.377 mm 0.382 mm 199. WESTFORD NG 1982.09.28-09:39:44.616 0.000 mm 0.377 mm 0.382 mm 200. WESTFORD EG 1982.09.28-09:39:44.616 0.004 mm 0.377 mm 0.382 mm 201. WESTFORD NG 1982.09.28-17:39:44.616 0.005 mm 0.422 mm 0.428 mm 202. WESTFORD EG 1982.09.28-17:39:44.616 -0.001 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.45 ps/h NRMS 0.23 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 13.22 ps/h NRMS 0.26 share 0.91 count 76 Overall RMS 12.37 ps/h NRMS 0.25 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.13 D-14 NRMS 0.63 share 0.29 count 26 Overall RMS 3.13 D-14 NRMS 0.63 share 0.29 count 26 203. UT1-TAI 1, 1982.09.28-05:52:00.000 -2.3700 ms/d -394.12 micros/d 304.30 micros/d 308.59 micros/d EOP epoch (TDT) MJD: 45240.244817 NUT epoch (TDT) MJD: 45240.288403 204. Nutation DPSI wrt apriori model 1982.09.28-05:51:41.256 1.463 mas 3117.9 microasec 3161.8 microasec Nutation Dx wrt apriori model 1982.09.28-05:51:41.256 0.577 mas 1236.2 microasec 1253.6 microasec Nutation DPSI wrt Wahr 1980 model 1982.09.28-05:51:41.256 -3.018 mas 3117.9 microasec 3161.8 microasec 205. Nutation DEPS wrt apriori model 1982.09.28-05:51:41.256 1.139 mas 1066.8 microasec 1081.8 microasec Nutation Dy wrt apriori model 1982.09.28-05:51:41.256 1.142 mas 1071.6 microasec 1086.7 microasec Nutation DEPS wrt Wahr 1980 model 1982.09.28-05:51:41.256 0.677 mas 1066.8 microasec 1081.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1233 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.09.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928040.89 13.05 3134928040.89 13.05 109.34 9.25 196.25 56.98 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1737 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:37:57 Correlator type: Unknown Experiment code: pol079 Mark-3 db_name: $82OCT04X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821004_a Ver 2 pol079 Matrix Condition Number = 6.655058339421187E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.0 5.2 838.0 0.7 25.3 0.5 WESTFORD MET 12.9 4.3 1013.9 2.8 22.0 6.5 Run 26091-1737 221 Observation Pairs Available Session started on: 2445247.243200 1982.10.04 17:50:12.480 UTC Nominal duration: 85795.200 sec 00 23:49:55.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 132 80.412 ps 0.88 1.0436 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 138 Number of potentially good observations with QC 5-9: 138 Number of used observations: 132 ( 95.65%) Number of suppressed observations: 6 ( 4.35%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 132 138 80.412 0.88 19821004_a pol079 1982.10.05-05:45:10.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 15 138.569 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 0212+735 J0217+7349 4 4 14 82.270 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 0234+285 J0237+2848 13 13 14 86.826 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 0552+398 J0555+3948 15 15 18 105.581 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 1637+574 J1638+5720 1 1 20 227.998 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 2134+00 J2136+0041 5 5 16 97.244 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 3C273B J1229+0203 2 7 15 23.829 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 3C345 J1642+3948 20 20 21 49.416 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 3C454.3 J2253+1608 15 15 15 38.508 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: 4C39.25 J0927+3902 5 5 14 131.010 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: NRAO150 J0359+5057 14 14 15 103.080 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: OJ287 J0854+2006 14 14 14 108.270 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: OQ208 J1407+2827 10 11 20 134.620 19821004_a pol079 1982.10.05-05:45:10.080 SRC_STAT: VR422201 J2202+4216 1 1 10 204.326 19821004_a pol079 1982.10.05-05:45:10.080 ------------------------------------------------ Parameter adjustments for run 26091-1737 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.05-05:44:37 1. HRAS_085 7216 NOAM X Comp -1324211048.82 mm -31.821 mm 9.234 mm 9.433 mm 2. HRAS_085 7216 NOAM Y Comp -5332023109.58 mm -27.584 mm 41.954 mm 42.860 mm 3. HRAS_085 7216 NOAM Z Comp 3232118374.21 mm 67.210 mm 33.191 mm 33.907 mm HRAS_085 7216 U Comp 63.88 mm 63.883 mm 51.708 mm 45.658 mm HRAS_085 7216 E Comp -24.23 mm -24.234 mm 12.975 mm 11.456 mm HRAS_085 7216 N Comp 40.28 mm 40.278 mm 10.249 mm 9.050 mm 4. HRAS_085 CL 0 1982.10.04-17:49:40.296 10514.986 ns 0.555 ns 0.567 ns 5. HRAS_085 CL 1 1982.10.04-17:49:40.296 101.724 D-14 2.241 D-14 2.289 D-14 6. HRAS_085 CL 2 1982.10.04-17:49:40.296 3.845 D-14/day 1.923 D-14/day 1.964 D-14/day 31. HRAS_085 AT 0 1982.10.04-17:49:40.296 155.220 ps 125.681 ps 128.393 ps HRAS_085 Atm 1982.10.05-05:50:12.480 Avg: 77.479 ps Rms: 44.511 ps Tot_Rms: 89.354 ps || Nat: 221 Dura: 85790.0 sec Tzd_avg: 6765.5 Tzd_rms: 20.9 Wzd_avg: 410.6 Wzd_rms: 26.2 ps Prs_avg: 83805. Pa Tem_avg: 18.0 C Stm_avg: -3.3 C Stm_rms: 2.4 K Spr_avg: 56. Spr_rms: 52. Pa 104. HRAS_085 NG 1982.10.04-17:48:40.296 -0.008 mm 0.422 mm 0.431 mm 105. HRAS_085 EG 1982.10.04-17:48:40.296 -0.009 mm 0.422 mm 0.431 mm 106. HRAS_085 NG 1982.10.05-01:48:40.296 0.003 mm 0.377 mm 0.385 mm 107. HRAS_085 EG 1982.10.05-01:48:40.296 -0.003 mm 0.377 mm 0.385 mm 108. HRAS_085 NG 1982.10.05-09:48:40.296 0.004 mm 0.377 mm 0.385 mm 109. HRAS_085 EG 1982.10.05-09:48:40.296 -0.004 mm 0.377 mm 0.385 mm 110. HRAS_085 NG 1982.10.05-17:48:40.296 -0.001 mm 0.422 mm 0.431 mm 111. HRAS_085 EG 1982.10.05-17:48:40.296 0.004 mm 0.422 mm 0.431 mm 112. WESTFORD 7209 NOAM X Comp 1492206574.82 mm 31.821 mm 9.234 mm 9.433 mm 113. WESTFORD 7209 NOAM Y Comp -4458130494.42 mm 27.584 mm 41.954 mm 42.860 mm 114. WESTFORD 7209 NOAM Z Comp 4296015479.79 mm -67.210 mm 33.191 mm 33.907 mm WESTFORD 7209 U Comp -57.32 mm -57.322 mm 51.310 mm 45.306 mm WESTFORD 7209 E Comp 38.93 mm 38.931 mm 16.502 mm 14.571 mm WESTFORD 7209 N Comp -38.59 mm -38.591 mm 6.487 mm 5.728 mm 115. WESTFORD AT 0 1982.10.04-17:49:40.296 19.843 ps 107.842 ps 110.169 ps WESTFORD Atm 1982.10.05-05:50:12.480 Avg: 4.302 ps Rms: 9.317 ps Tot_Rms: 10.263 ps || Nat: 221 Dura: 85790.0 sec Tzd_avg: 7926.8 Tzd_rms: 25.6 Wzd_avg: 295.0 Wzd_rms: 11.2 ps Prs_avg: 101392. Pa Tem_avg: 12.9 C Stm_avg: -1.0 C Stm_rms: 1.0 K Spr_avg: 750. Spr_rms: 47. Pa 188. WESTFORD NG 1982.10.04-17:48:40.296 0.011 mm 0.422 mm 0.431 mm 189. WESTFORD EG 1982.10.04-17:48:40.296 0.014 mm 0.422 mm 0.431 mm 190. WESTFORD NG 1982.10.05-01:48:40.296 -0.003 mm 0.377 mm 0.385 mm 191. WESTFORD EG 1982.10.05-01:48:40.296 -0.007 mm 0.377 mm 0.385 mm 192. WESTFORD NG 1982.10.05-09:48:40.296 -0.012 mm 0.377 mm 0.385 mm 193. WESTFORD EG 1982.10.05-09:48:40.296 -0.011 mm 0.377 mm 0.385 mm 194. WESTFORD NG 1982.10.05-17:48:40.296 -0.005 mm 0.422 mm 0.432 mm 195. WESTFORD EG 1982.10.05-17:48:40.296 -0.005 mm 0.422 mm 0.431 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.84 ps/h NRMS 0.18 share 0.94 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.13 ps/h NRMS 0.18 share 0.94 count 73 Overall RMS 8.98 ps/h NRMS 0.18 share 0.94 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.87 D-14 NRMS 0.57 share 0.32 count 25 Overall RMS 2.87 D-14 NRMS 0.57 share 0.32 count 25 196. UT1-TAI 1, 1982.10.05-05:45:00.000 -2.3528 ms/d 322.39 micros/d 366.94 micros/d 374.85 micros/d EOP epoch (TDT) MJD: 45247.239956 NUT epoch (TDT) MJD: 45247.216130 197. Nutation DPSI wrt apriori model 1982.10.05-05:44:37.896 -7.823 mas 4095.8 microasec 4184.1 microasec Nutation Dx wrt apriori model 1982.10.05-05:44:37.896 -3.120 mas 1623.8 microasec 1658.8 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.05-05:44:37.896 -11.966 mas 4095.8 microasec 4184.1 microasec 198. Nutation DEPS wrt apriori model 1982.10.05-05:44:37.896 2.066 mas 1444.0 microasec 1475.1 microasec Nutation Dy wrt apriori model 1982.10.05-05:44:37.896 2.054 mas 1450.2 microasec 1481.5 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.05-05:44:37.896 2.022 mas 1444.0 microasec 1475.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1667 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.05 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928003.14 19.61 3134928003.14 19.61 94.21 11.64 124.74 106.15 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:00 Correlator type: Unknown Experiment code: pol080 Mark-3 db_name: $82OCT13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821013_a Ver 2 pol080 Matrix Condition Number = 3.563651732283435E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.0 4.9 845.0 1.1 35.9 3.3 WESTFORD MET 11.7 1.0 1002.8 3.8 76.0 29.3 Run 26091-1738 215 Observation Pairs Available Session started on: 2445256.247300 1982.10.13 17:56:06.720 UTC Nominal duration: 86469.120 sec 01 00:01:09.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 128 43.183 ps 0.74 0.7979 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 133 Number of potentially good observations with QC 5-9: 133 Number of used observations: 128 ( 96.24%) Number of suppressed observations: 5 ( 3.76%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 128 133 43.183 0.74 19821013_a pol080 1982.10.14-05:56:41.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 9 14 89.383 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 0212+735 J0217+7349 4 4 15 108.340 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 0234+285 J0237+2848 13 13 14 91.473 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 0552+398 J0555+3948 16 16 17 87.000 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 1637+574 J1638+5720 0 0 18 0.000 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 2134+00 J2136+0041 1 2 16 47.840 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 3C273B J1229+0203 10 12 13 19.472 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 3C345 J1642+3948 19 19 19 28.022 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 3C454.3 J2253+1608 12 12 12 20.045 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: 4C39.25 J0927+3902 4 5 15 52.349 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: NRAO150 J0359+5057 12 12 15 57.633 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: OJ287 J0854+2006 15 15 15 49.350 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: OQ208 J1407+2827 14 14 20 93.546 19821013_a pol080 1982.10.14-05:56:41.280 SRC_STAT: VR422201 J2202+4216 0 0 12 0.000 19821013_a pol080 1982.10.14-05:56:41.280 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.14-05:56:09 1. HRAS_085 7216 NOAM X Comp -1324211074.93 mm -57.928 mm 7.770 mm 6.941 mm 2. HRAS_085 7216 NOAM Y Comp -5332023167.87 mm -85.870 mm 31.450 mm 28.094 mm 3. HRAS_085 7216 NOAM Z Comp 3232118427.93 mm 120.933 mm 23.336 mm 20.845 mm HRAS_085 7216 U Comp 145.35 mm 145.346 mm 38.561 mm 28.708 mm HRAS_085 7216 E Comp -35.52 mm -35.523 mm 7.907 mm 5.886 mm HRAS_085 7216 N Comp 54.47 mm 54.469 mm 6.676 mm 4.970 mm 4. HRAS_085 CL 0 1982.10.13-17:55:34.536 11108.888 ns 0.407 ns 0.364 ns 5. HRAS_085 CL 1 1982.10.13-17:55:34.536 89.450 D-14 2.144 D-14 1.916 D-14 6. HRAS_085 CL 2 1982.10.13-17:55:34.536 2.382 D-14/day 1.833 D-14/day 1.637 D-14/day 31. HRAS_085 AT 0 1982.10.13-17:55:34.536 -241.487 ps 138.170 ps 123.423 ps HRAS_085 Atm 1982.10.14-05:56:06.720 Avg: -200.508 ps Rms: 20.207 ps Tot_Rms: 201.523 ps || Nat: 215 Dura: 86470.0 sec Tzd_avg: 6644.3 Tzd_rms: 34.8 Wzd_avg: 234.0 Wzd_rms: 31.2 ps Prs_avg: 84496. Pa Tem_avg: 6.0 C Stm_avg: -5.4 C Stm_rms: 2.8 K Spr_avg: 96. Spr_rms: 56. Pa 104. HRAS_085 NG 1982.10.13-17:54:34.536 0.007 mm 0.422 mm 0.377 mm 105. HRAS_085 EG 1982.10.13-17:54:34.536 0.001 mm 0.422 mm 0.377 mm 106. HRAS_085 NG 1982.10.14-01:54:34.536 -0.006 mm 0.377 mm 0.337 mm 107. HRAS_085 EG 1982.10.14-01:54:34.536 0.005 mm 0.377 mm 0.337 mm 108. HRAS_085 NG 1982.10.14-09:54:34.536 -0.010 mm 0.377 mm 0.337 mm 109. HRAS_085 EG 1982.10.14-09:54:34.536 0.009 mm 0.377 mm 0.337 mm 110. HRAS_085 NG 1982.10.14-17:54:34.536 -0.012 mm 0.422 mm 0.377 mm 111. HRAS_085 EG 1982.10.14-17:54:34.536 -0.006 mm 0.422 mm 0.377 mm 112. WESTFORD 7209 NOAM X Comp 1492206600.93 mm 57.928 mm 7.770 mm 6.941 mm 113. WESTFORD 7209 NOAM Y Comp -4458130436.13 mm 85.870 mm 31.450 mm 28.094 mm 114. WESTFORD 7209 NOAM Z Comp 4296015426.07 mm -120.933 mm 23.336 mm 20.845 mm WESTFORD 7209 U Comp -128.27 mm -128.273 mm 36.687 mm 27.313 mm WESTFORD 7209 E Comp 82.19 mm 82.188 mm 14.853 mm 11.058 mm WESTFORD 7209 N Comp -46.32 mm -46.318 mm 5.246 mm 3.906 mm 115. WESTFORD AT 0 1982.10.13-17:55:34.536 2.234 ps 78.947 ps 70.520 ps WESTFORD Atm 1982.10.14-05:56:06.720 Avg: -3.190 ps Rms: 7.771 ps Tot_Rms: 8.400 ps || Nat: 215 Dura: 86470.0 sec Tzd_avg: 8084.1 Tzd_rms: 79.0 Wzd_avg: 541.7 Wzd_rms: 52.9 ps Prs_avg: 100280. Pa Tem_avg: 11.7 C Stm_avg: -0.6 C Stm_rms: 1.4 K Spr_avg: 707. Spr_rms: 56. Pa 188. WESTFORD NG 1982.10.13-17:54:34.536 -0.009 mm 0.422 mm 0.377 mm 189. WESTFORD EG 1982.10.13-17:54:34.536 0.010 mm 0.422 mm 0.377 mm 190. WESTFORD NG 1982.10.14-01:54:34.536 0.003 mm 0.377 mm 0.337 mm 191. WESTFORD EG 1982.10.14-01:54:34.536 0.003 mm 0.377 mm 0.337 mm 192. WESTFORD NG 1982.10.14-09:54:34.536 0.005 mm 0.377 mm 0.337 mm 193. WESTFORD EG 1982.10.14-09:54:34.536 -0.004 mm 0.377 mm 0.337 mm 194. WESTFORD NG 1982.10.14-17:54:34.536 0.003 mm 0.422 mm 0.377 mm 195. WESTFORD EG 1982.10.14-17:54:34.536 0.005 mm 0.422 mm 0.377 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.23 ps/h NRMS 0.18 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.95 ps/h NRMS 0.20 share 0.90 count 73 Overall RMS 9.60 ps/h NRMS 0.19 share 0.91 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.18 D-14 NRMS 0.44 share 0.26 count 25 Overall RMS 2.18 D-14 NRMS 0.44 share 0.26 count 25 196. UT1-TAI 1, 1982.10.14-05:56:00.000 -2.7263 ms/d -203.34 micros/d 205.26 micros/d 183.36 micros/d EOP epoch (TDT) MJD: 45256.247595 NUT epoch (TDT) MJD: 45256.316278 197. Nutation DPSI wrt apriori model 1982.10.14-05:56:09.096 0.896 mas 2912.9 microasec 2602.0 microasec Nutation Dx wrt apriori model 1982.10.14-05:56:09.096 0.353 mas 1154.9 microasec 1031.6 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.14-05:56:09.096 -2.274 mas 2912.9 microasec 2602.0 microasec 198. Nutation DEPS wrt apriori model 1982.10.14-05:56:09.096 0.920 mas 1009.8 microasec 902.0 microasec Nutation Dy wrt apriori model 1982.10.14-05:56:09.096 0.921 mas 1014.2 microasec 906.0 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.14-05:56:09.096 1.602 mas 1009.8 microasec 902.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.9036 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928046.08 16.85 3134928046.08 16.85 130.76 9.08 281.85 77.52 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 JPL_MV1 MON_PEAK OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:03 Correlator type: Unknown Experiment code: mob821 Mark-3 db_name: $82OCT16XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821016_a Ver 2 mob821 Matrix Condition Number = 4.698295086885749E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | HRAS_085: GION | | JPL_MV1 : GION | | MON_PEAK: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for JPL_MV1 is 5.0 Elevation cut for MON_PEAK is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET -999.0 0.0 -999.0 0.0 0.0 0.0 HRAS_085 MET 10.4 5.2 845.6 1.5 26.8 8.2 JPL_MV1 MET 30.5 4.7 963.5 0.3 14.7 1.7 MON_PEAK MET 13.6 2.6 817.7 0.6 16.8 0.3 OVRO_130 MET 12.3 7.8 884.2 1.8 11.4 11.4 Run 26091-1738 612 Observation Pairs Available Session started on: 2445258.517200 1982.10.16 00:24:46.080 UTC Nominal duration: 119603.520 sec 01 09:13:23.520 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 316 35.359 ps 0.78 0.9856 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 355 Number of potentially good observations with QC 5-9: 355 Number of used observations: 316 ( 89.01%) Number of suppressed observations: 39 ( 10.99%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 JPL_MV1 42 47 67.392 0.89 19821016_a mob821 1982.10.16-17:01:27.8 BAS_STAT HRAS_085 MON_PEAK 53 57 35.738 0.82 19821016_a mob821 1982.10.16-17:01:27.8 BAS_STAT HRAS_085 OVRO_130 59 72 28.082 0.70 19821016_a mob821 1982.10.16-17:01:27.8 BAS_STAT JPL_MV1 MON_PEAK 24 26 30.389 0.75 19821016_a mob821 1982.10.16-17:01:27.8 BAS_STAT JPL_MV1 OVRO_130 62 64 45.308 0.79 19821016_a mob821 1982.10.16-17:01:27.8 BAS_STAT MON_PEAK OVRO_130 76 89 29.593 0.74 19821016_a mob821 1982.10.16-17:01:27.8 BAS_STAT Not included: GOLDVENU HRAS_085 0/ 0 deselected baseline 19821016_a mob821 GOLDVENU JPL_MV1 0/ 0 deselected baseline 19821016_a mob821 GOLDVENU MON_PEAK 0/ 0 deselected baseline 19821016_a mob821 GOLDVENU OVRO_130 0/ 0 deselected baseline 19821016_a mob821 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0552+398 J0555+3948 20 22 47 42.864 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 0727-115 J0730-1141 7 7 15 39.708 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 1127-145 J1130-1449 4 9 33 55.808 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 1510-089 J1512-0905 3 5 14 39.044 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 1921-293 J1924-2914 13 13 24 26.746 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 2134+00 J2136+0041 30 30 50 34.177 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 3C120 J0433+0521 11 16 47 48.602 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 3C273B J1229+0203 22 27 31 31.725 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 3C279 J1256-0547 10 13 20 41.111 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 3C345 J1642+3948 35 37 53 34.275 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 3C418 J2038+5119 27 31 59 51.036 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 3C454.3 J2253+1608 42 43 52 29.440 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 3C84 J0319+4130 44 49 69 28.880 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: 4C39.25 J0927+3902 8 10 19 46.220 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: NRAO150 J0359+5057 21 22 46 54.188 19821016_a mob821 1982.10.16-17:01:27.840 SRC_STAT: NRAO530 J1733-1304 19 21 33 36.672 19821016_a mob821 1982.10.16-17:01:27.840 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.16-17:00:55 1. HRAS_085 7216 NOAM X Comp -1324211269.26 mm -252.261 mm 13.636 mm 13.538 mm 2. HRAS_085 7216 NOAM Y Comp -5332022971.88 mm 110.118 mm 36.932 mm 36.665 mm 3. HRAS_085 7216 NOAM Z Comp 3232118524.35 mm 217.350 mm 23.816 mm 23.645 mm HRAS_085 7216 U Comp 71.12 mm 71.122 mm 45.040 mm 35.099 mm HRAS_085 7216 E Comp -271.37 mm -271.365 mm 8.014 mm 6.245 mm HRAS_085 7216 N Comp 210.49 mm 210.488 mm 4.932 mm 3.844 mm 4. HRAS_085 AT 0 1982.10.16-00:24:13.896 -92.521 ps 112.539 ps 111.727 ps HRAS_085 Atm 1982.10.16-17:24:46.080 Avg: -96.754 ps Rms: 23.491 ps Tot_Rms: 99.565 ps || Nat: 94 Dura: 119600.0 sec Tzd_avg: 6702.5 Tzd_rms: 46.7 Wzd_avg: 285.9 Wzd_rms: 55.9 ps Prs_avg: 84556. Pa Tem_avg: 10.3 C Stm_avg: -6.0 C Stm_rms: 3.8 K Spr_avg: 53. Spr_rms: 59. Pa 107. HRAS_085 NG 1982.10.16-00:23:13.896 -0.003 mm 0.422 mm 0.419 mm 108. HRAS_085 EG 1982.10.16-00:23:13.896 -0.020 mm 0.422 mm 0.419 mm 109. HRAS_085 NG 1982.10.16-08:23:13.896 -0.002 mm 0.377 mm 0.374 mm 110. HRAS_085 EG 1982.10.16-08:23:13.896 -0.024 mm 0.376 mm 0.374 mm 111. HRAS_085 NG 1982.10.16-16:23:13.896 0.014 mm 0.373 mm 0.370 mm 112. HRAS_085 EG 1982.10.16-16:23:13.896 -0.011 mm 0.373 mm 0.370 mm 113. HRAS_085 NG 1982.10.17-00:23:13.896 0.002 mm 0.376 mm 0.374 mm 114. HRAS_085 EG 1982.10.17-00:23:13.896 0.011 mm 0.376 mm 0.374 mm 115. HRAS_085 NG 1982.10.17-08:23:13.896 -0.014 mm 0.422 mm 0.419 mm 116. HRAS_085 EG 1982.10.17-08:23:13.896 0.031 mm 0.422 mm 0.419 mm 117. JPL_MV1 7263 PCFC X Comp -2493306073.22 mm 223.779 mm 20.213 mm 20.067 mm 118. JPL_MV1 7263 PCFC Y Comp -4655197342.16 mm 41.842 mm 36.809 mm 36.544 mm 119. JPL_MV1 7263 PCFC Z Comp 3565519231.87 mm -231.126 mm 27.563 mm 27.365 mm JPL_MV1 7263 U Comp -247.81 mm -247.814 mm 49.705 mm 38.735 mm JPL_MV1 7263 E Comp 177.51 mm 177.511 mm 5.294 mm 4.126 mm JPL_MV1 7263 N Comp -111.02 mm -111.018 mm 4.961 mm 3.866 mm 120. JPL_MV1 CL 0 1982.10.16-00:24:13.896 7658.826 ns 0.416 ns 0.413 ns 121. JPL_MV1 CL 1 1982.10.16-00:24:13.896 -60.733 D-14 1.900 D-14 1.887 D-14 122. JPL_MV1 CL 2 1982.10.16-00:24:13.896 1.718 D-14/day 1.252 D-14/day 1.243 D-14/day 157. JPL_MV1 AT 0 1982.10.16-00:24:13.896 330.108 ps 115.654 ps 114.821 ps JPL_MV1 Atm 1982.10.16-17:24:46.080 Avg: 400.690 ps Rms: 49.379 ps Tot_Rms: 403.721 ps || Nat: 99 Dura: 119600.0 sec Tzd_avg: 7516.2 Tzd_rms: 28.8 Wzd_avg: 195.9 Wzd_rms: 25.9 ps Prs_avg: 96354. Pa Tem_avg: 30.4 C Stm_avg: 5.3 C Stm_rms: 5.5 K Spr_avg: -59. Spr_rms: 85. Pa 260. JPL_MV1 NG 1982.10.16-00:23:13.896 0.009 mm 0.422 mm 0.419 mm 261. JPL_MV1 EG 1982.10.16-00:23:13.896 0.005 mm 0.422 mm 0.419 mm 262. JPL_MV1 NG 1982.10.16-08:23:13.896 -0.027 mm 0.376 mm 0.374 mm 263. JPL_MV1 EG 1982.10.16-08:23:13.896 0.029 mm 0.376 mm 0.373 mm 264. JPL_MV1 NG 1982.10.16-16:23:13.896 -0.044 mm 0.373 mm 0.370 mm 265. JPL_MV1 EG 1982.10.16-16:23:13.896 0.077 mm 0.373 mm 0.370 mm 266. JPL_MV1 NG 1982.10.17-00:23:13.896 0.027 mm 0.376 mm 0.374 mm 267. JPL_MV1 EG 1982.10.17-00:23:13.896 -0.031 mm 0.376 mm 0.374 mm 268. JPL_MV1 NG 1982.10.17-08:23:13.896 0.017 mm 0.422 mm 0.419 mm 269. JPL_MV1 EG 1982.10.17-08:23:13.896 -0.061 mm 0.422 mm 0.419 mm 270. MON_PEAK 7274 PCFC X Comp -2386289587.35 mm 136.647 mm 15.538 mm 15.426 mm 271. MON_PEAK 7274 PCFC Y Comp -4802346495.63 mm -282.625 mm 30.656 mm 30.435 mm 272. MON_PEAK 7274 PCFC Z Comp 3444883988.11 mm -103.888 mm 22.010 mm 21.851 mm MON_PEAK 7274 U Comp 105.05 mm 105.053 mm 40.411 mm 31.492 mm MON_PEAK 7274 E Comp 248.14 mm 248.138 mm 4.037 mm 3.146 mm MON_PEAK 7274 N Comp -191.66 mm -191.660 mm 4.038 mm 3.147 mm 273. MON_PEAK CL 0 1982.10.16-00:24:13.896 -6619.386 ns 0.378 ns 0.375 ns 274. MON_PEAK CL 1 1982.10.16-00:24:13.896 -5.597 D-14 1.820 D-14 1.807 D-14 275. MON_PEAK CL 2 1982.10.16-00:24:13.896 1.039 D-14/day 1.126 D-14/day 1.118 D-14/day 310. MON_PEAK AT 0 1982.10.16-00:24:13.896 -60.895 ps 106.713 ps 105.944 ps MON_PEAK Atm 1982.10.16-17:24:46.080 Avg: -71.946 ps Rms: 13.046 ps Tot_Rms: 73.119 ps || Nat: 107 Dura: 119600.0 sec Tzd_avg: 6346.4 Tzd_rms: 30.7 Wzd_avg: 130.8 Wzd_rms: 29.5 ps Prs_avg: 81771. Pa Tem_avg: 13.6 C Stm_avg: -1.7 C Stm_rms: 2.9 K Spr_avg: -31. Spr_rms: 31. Pa 413. MON_PEAK NG 1982.10.16-00:23:13.896 0.034 mm 0.421 mm 0.418 mm 414. MON_PEAK EG 1982.10.16-00:23:13.896 0.029 mm 0.422 mm 0.419 mm 415. MON_PEAK NG 1982.10.16-08:23:13.896 0.030 mm 0.376 mm 0.374 mm 416. MON_PEAK EG 1982.10.16-08:23:13.896 -0.025 mm 0.376 mm 0.373 mm 417. MON_PEAK NG 1982.10.16-16:23:13.896 -0.008 mm 0.373 mm 0.370 mm 418. MON_PEAK EG 1982.10.16-16:23:13.896 -0.033 mm 0.372 mm 0.370 mm 419. MON_PEAK NG 1982.10.17-00:23:13.896 -0.024 mm 0.376 mm 0.373 mm 420. MON_PEAK EG 1982.10.17-00:23:13.896 0.001 mm 0.376 mm 0.373 mm 421. MON_PEAK NG 1982.10.17-08:23:13.896 0.009 mm 0.422 mm 0.419 mm 422. MON_PEAK EG 1982.10.17-08:23:13.896 -0.003 mm 0.421 mm 0.418 mm 423. OVRO_130 7207 NOAM X Comp -2409600995.16 mm -108.164 mm 11.718 mm 11.633 mm 424. OVRO_130 7207 NOAM Y Comp -4478349333.33 mm 130.665 mm 23.354 mm 23.186 mm 425. OVRO_130 7207 NOAM Z Comp 3838603305.66 mm 117.663 mm 17.662 mm 17.535 mm OVRO_130 7207 U Comp 20.38 mm 20.380 mm 30.880 mm 24.064 mm OVRO_130 7207 E Comp -157.16 mm -157.164 mm 4.572 mm 3.563 mm OVRO_130 7207 N Comp 132.29 mm 132.293 mm 4.496 mm 3.504 mm 426. OVRO_130 CL 0 1982.10.16-00:24:13.896 -7331.797 ns 0.325 ns 0.322 ns 427. OVRO_130 CL 1 1982.10.16-00:24:13.896 -77.935 D-14 1.788 D-14 1.776 D-14 428. OVRO_130 CL 2 1982.10.16-00:24:13.896 -0.332 D-14/day 1.107 D-14/day 1.099 D-14/day 463. OVRO_130 AT 0 1982.10.16-00:24:13.896 -23.643 ps 79.490 ps 78.917 ps OVRO_130 Atm 1982.10.16-17:24:46.080 Avg: 4.310 ps Rms: 23.316 ps Tot_Rms: 23.711 ps || Nat: 108 Dura: 118760.0 sec Tzd_avg: 6911.0 Tzd_rms: 13.4 Wzd_avg: 209.7 Wzd_rms: 5.7 ps Prs_avg: 88420. Pa Tem_avg: 12.2 C Stm_avg: -6.6 C Stm_rms: 5.5 K Spr_avg: 126. Spr_rms: 44. Pa 566. OVRO_130 NG 1982.10.16-00:23:13.896 -0.042 mm 0.422 mm 0.418 mm 567. OVRO_130 EG 1982.10.16-00:23:13.896 -0.014 mm 0.422 mm 0.419 mm 568. OVRO_130 NG 1982.10.16-08:23:13.896 -0.001 mm 0.376 mm 0.373 mm 569. OVRO_130 EG 1982.10.16-08:23:13.896 0.022 mm 0.376 mm 0.373 mm 570. OVRO_130 NG 1982.10.16-16:23:13.896 0.040 mm 0.373 mm 0.370 mm 571. OVRO_130 EG 1982.10.16-16:23:13.896 -0.028 mm 0.372 mm 0.370 mm 572. OVRO_130 NG 1982.10.17-00:23:13.896 -0.002 mm 0.376 mm 0.373 mm 573. OVRO_130 EG 1982.10.17-00:23:13.896 0.025 mm 0.376 mm 0.373 mm 574. OVRO_130 NG 1982.10.17-08:23:13.896 -0.012 mm 0.422 mm 0.419 mm 575. OVRO_130 EG 1982.10.17-08:23:13.896 0.034 mm 0.421 mm 0.418 mm Atmosphere Constraint Statistics 2. HRAS_085 Input 50.00 ps/h RMS 8.89 ps/h NRMS 0.18 share 0.92 count 103 3. JPL_MV1 Input 50.00 ps/h RMS 21.97 ps/h NRMS 0.44 share 0.94 count 103 4. MON_PEAK Input 50.00 ps/h RMS 9.47 ps/h NRMS 0.19 share 0.92 count 103 5. OVRO_130 Input 50.00 ps/h RMS 16.28 ps/h NRMS 0.33 share 0.90 count 103 Overall RMS 15.14 ps/h NRMS 0.30 share 0.92 count 412 Gradient Constraint Statistics 2. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.52 count 10 3. JPL_MV1 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.52 count 10 4. MON_PEAK Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.52 count 10 5. OVRO_130 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.52 count 10 Overall RMS 0.11 mm/d NRMS 0.05 share 0.52 count 40 Clock Constraint Statistics 3. JPL_MV1 Input 5.00 D-14 RMS 5.65 D-14 NRMS 1.13 share 0.41 count 35 4. MON_PEAK Input 5.00 D-14 RMS 2.22 D-14 NRMS 0.44 share 0.33 count 35 5. OVRO_130 Input 5.00 D-14 RMS 2.17 D-14 NRMS 0.43 share 0.26 count 35 Overall RMS 3.72 D-14 NRMS 0.74 share 0.33 count 105 576. UT1-TAI 1, 1982.10.16-17:01:00.000 -2.7755 ms/d -257.49 micros/d 185.53 micros/d 184.19 micros/d EOP epoch (TDT) MJD: 45258.709400 NUT epoch (TDT) MJD: 45258.730659 577. Nutation DPSI wrt apriori model 1982.10.16-17:00:55.656 0.653 mas 3155.3 microasec 3132.6 microasec Nutation Dx wrt apriori model 1982.10.16-17:00:55.656 0.262 mas 1251.5 microasec 1242.4 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.16-17:00:55.656 -2.661 mas 3155.3 microasec 3132.6 microasec 578. Nutation DEPS wrt apriori model 1982.10.16-17:00:55.656 -0.463 mas 982.6 microasec 975.6 microasec Nutation Dy wrt apriori model 1982.10.16-17:00:55.656 -0.462 mas 987.5 microasec 980.4 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.16-17:00:55.656 0.283 mas 982.6 microasec 975.6 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1124 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to JPL_MV1 7263 1391413535.03 14.05 1391413535.03 14.05 -174.46 7.65 331.16 81.37 HRAS_085 7216 to MON_PEAK 7274 1205751494.23 11.15 1205751494.23 11.15 -284.28 6.44 -30.67 70.58 HRAS_085 7216 to OVRO_130 7207 1508195387.94 12.45 1508195387.94 12.45 24.05 5.48 114.37 59.67 JPL_MV1 7263 to MON_PEAK 7274 218307726.96 7.46 218307726.96 7.46 7.76 6.37 -343.27 76.18 JPL_MV1 7263 to OVRO_130 7207 335941467.63 7.51 335941467.63 7.51 -327.32 5.49 -267.01 67.31 MON_PEAK 7274 to OVRO_130 7207 510423827.73 7.02 510423827.73 7.02 -275.42 4.08 80.41 53.39 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MON_PEAK OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:06 Correlator type: Unknown Experiment code: mob822 Mark-3 db_name: $82OCT17XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821017_a Ver 2 mob822 Matrix Condition Number = 1.088218680765205E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MON_PEAK: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MON_PEAK is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.6 6.3 841.3 1.1 45.1 4.2 MON_PEAK MET 13.7 2.8 813.9 1.5 17.1 2.5 OVRO_130 MET 12.9 8.2 878.9 1.7 50.3 4.8 Run 26091-1738 286 Observation Pairs Available Session started on: 2445260.002600 1982.10.17 12:03:44.640 UTC Nominal duration: 83280.960 sec 00 23:08:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 225 24.000 ps 0.80 1.0568 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 239 Number of potentially good observations with QC 5-9: 239 Number of used observations: 225 ( 94.14%) Number of suppressed observations: 14 ( 5.86%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MON_PEAK 57 59 88.075 0.97 19821017_a mob822 1982.10.17-23:37:45.1 BAS_STAT HRAS_085 OVRO_130 81 91 15.358 0.70 19821017_a mob822 1982.10.17-23:37:45.1 BAS_STAT MON_PEAK OVRO_130 87 89 26.209 0.78 19821017_a mob822 1982.10.17-23:37:45.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 21 21.133 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 0528+134 J0530+1331 19 19 24 25.087 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 0552+398 J0555+3948 22 23 24 26.993 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 2134+00 J2136+0041 17 17 22 18.425 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 3C273B J1229+0203 25 28 28 20.455 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 3C345 J1642+3948 25 26 28 23.268 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 3C418 J2038+5119 12 14 25 32.326 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 3C454.3 J2253+1608 25 26 26 20.679 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 3C84 J0319+4130 21 23 24 23.729 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: 4C39.25 J0927+3902 22 23 27 27.030 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: NRAO530 J1733-1304 7 10 18 19.609 19821017_a mob822 1982.10.17-23:37:45.120 SRC_STAT: OJ287 J0854+2006 13 13 19 40.243 19821017_a mob822 1982.10.17-23:37:45.120 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.17-23:37:12 1. HRAS_085 7216 NOAM X Comp -1324211189.85 mm -172.848 mm 8.068 mm 8.294 mm 2. HRAS_085 7216 NOAM Y Comp -5332022933.11 mm 148.889 mm 16.444 mm 16.905 mm 3. HRAS_085 7216 NOAM Z Comp 3232118420.52 mm 113.517 mm 11.369 mm 11.688 mm HRAS_085 7216 U Comp -30.64 mm -30.635 mm 20.884 mm 16.810 mm HRAS_085 7216 E Comp -203.64 mm -203.639 mm 4.647 mm 3.740 mm HRAS_085 7216 N Comp 150.08 mm 150.077 mm 2.648 mm 2.132 mm 4. HRAS_085 CL 0 1982.10.17-12:03:12.456 6624.131 ns 0.236 ns 0.242 ns 5. HRAS_085 CL 1 1982.10.17-12:03:12.456 0.618 D-14 2.105 D-14 2.164 D-14 6. HRAS_085 CL 2 1982.10.17-12:03:12.456 -1.268 D-14/day 1.872 D-14/day 1.925 D-14/day 31. HRAS_085 AT 0 1982.10.17-12:03:12.456 -21.605 ps 58.119 ps 59.748 ps HRAS_085 Atm 1982.10.18-00:03:44.640 Avg: -14.065 ps Rms: 15.065 ps Tot_Rms: 20.611 ps || Nat: 96 Dura: 83288.0 sec Tzd_avg: 6638.0 Tzd_rms: 21.0 Wzd_avg: 250.7 Wzd_rms: 17.5 ps Prs_avg: 84130. Pa Tem_avg: 13.6 C Stm_avg: -6.7 C Stm_rms: 4.5 K Spr_avg: 25. Spr_rms: 66. Pa 104. HRAS_085 NG 1982.10.17-12:02:12.456 -0.038 mm 0.422 mm 0.433 mm 105. HRAS_085 EG 1982.10.17-12:02:12.456 0.002 mm 0.421 mm 0.433 mm 106. HRAS_085 NG 1982.10.17-20:02:12.456 0.008 mm 0.377 mm 0.387 mm 107. HRAS_085 EG 1982.10.17-20:02:12.456 -0.012 mm 0.377 mm 0.387 mm 108. HRAS_085 NG 1982.10.18-04:02:12.456 -0.005 mm 0.377 mm 0.387 mm 109. HRAS_085 EG 1982.10.18-04:02:12.456 -0.007 mm 0.376 mm 0.387 mm 110. HRAS_085 NG 1982.10.18-12:02:12.456 0.030 mm 0.422 mm 0.434 mm 111. HRAS_085 EG 1982.10.18-12:02:12.456 -0.003 mm 0.422 mm 0.434 mm 112. MON_PEAK 7274 PCFC X Comp -2386289513.56 mm 210.445 mm 9.799 mm 10.074 mm 113. MON_PEAK 7274 PCFC Y Comp -4802346487.41 mm -274.413 mm 18.998 mm 19.530 mm 114. MON_PEAK 7274 PCFC Z Comp 3444883932.56 mm -159.439 mm 13.377 mm 13.752 mm MON_PEAK 7274 U Comp 41.13 mm 41.135 mm 24.892 mm 20.036 mm MON_PEAK 7274 E Comp 310.57 mm 310.572 mm 2.408 mm 1.938 mm MON_PEAK 7274 N Comp -216.48 mm -216.479 mm 3.236 mm 2.604 mm 115. MON_PEAK AT 0 1982.10.17-12:03:12.456 -97.548 ps 85.206 ps 87.595 ps MON_PEAK Atm 1982.10.18-00:03:44.640 Avg: -82.228 ps Rms: 27.786 ps Tot_Rms: 86.796 ps || Nat: 98 Dura: 83288.0 sec Tzd_avg: 6311.5 Tzd_rms: 17.9 Wzd_avg: 115.6 Wzd_rms: 26.4 ps Prs_avg: 81391. Pa Tem_avg: 13.7 C Stm_avg: -1.5 C Stm_rms: 3.2 K Spr_avg: -146. Spr_rms: 52. Pa 188. MON_PEAK NG 1982.10.17-12:02:12.456 0.043 mm 0.422 mm 0.433 mm 189. MON_PEAK EG 1982.10.17-12:02:12.456 -0.046 mm 0.421 mm 0.433 mm 190. MON_PEAK NG 1982.10.17-20:02:12.456 -0.009 mm 0.377 mm 0.387 mm 191. MON_PEAK EG 1982.10.17-20:02:12.456 -0.001 mm 0.376 mm 0.387 mm 192. MON_PEAK NG 1982.10.18-04:02:12.456 -0.020 mm 0.376 mm 0.387 mm 193. MON_PEAK EG 1982.10.18-04:02:12.456 0.037 mm 0.376 mm 0.386 mm 194. MON_PEAK NG 1982.10.18-12:02:12.456 0.020 mm 0.422 mm 0.434 mm 195. MON_PEAK EG 1982.10.18-12:02:12.456 -0.004 mm 0.421 mm 0.432 mm 196. OVRO_130 7207 NOAM X Comp -2409600924.60 mm -37.596 mm 6.436 mm 6.616 mm 197. OVRO_130 7207 NOAM Y Comp -4478349338.48 mm 125.525 mm 12.521 mm 12.872 mm 198. OVRO_130 7207 NOAM Z Comp 3838603233.92 mm 45.921 mm 9.332 mm 9.593 mm OVRO_130 7207 U Comp -46.04 mm -46.044 mm 16.562 mm 13.331 mm OVRO_130 7207 E Comp -92.58 mm -92.584 mm 2.218 mm 1.785 mm OVRO_130 7207 N Comp 92.66 mm 92.665 mm 2.461 mm 1.981 mm 199. OVRO_130 CL 0 1982.10.17-12:03:12.456 -807.798 ns 0.193 ns 0.198 ns 200. OVRO_130 CL 1 1982.10.17-12:03:12.456 -77.469 D-14 2.101 D-14 2.160 D-14 201. OVRO_130 CL 2 1982.10.17-12:03:12.456 0.952 D-14/day 1.871 D-14/day 1.924 D-14/day 226. OVRO_130 AT 0 1982.10.17-12:03:12.456 3.463 ps 62.225 ps 63.969 ps OVRO_130 Atm 1982.10.18-00:03:44.640 Avg: -5.002 ps Rms: 17.141 ps Tot_Rms: 17.856 ps || Nat: 99 Dura: 83288.0 sec Tzd_avg: 6836.6 Tzd_rms: 31.8 Wzd_avg: 168.1 Wzd_rms: 33.1 ps Prs_avg: 87890. Pa Tem_avg: 13.0 C Stm_avg: -3.8 C Stm_rms: 5.5 K Spr_avg: 46. Spr_rms: 120. Pa 299. OVRO_130 NG 1982.10.17-12:02:12.456 -0.020 mm 0.421 mm 0.433 mm 300. OVRO_130 EG 1982.10.17-12:02:12.456 0.065 mm 0.420 mm 0.432 mm 301. OVRO_130 NG 1982.10.17-20:02:12.456 -0.003 mm 0.377 mm 0.387 mm 302. OVRO_130 EG 1982.10.17-20:02:12.456 0.033 mm 0.376 mm 0.386 mm 303. OVRO_130 NG 1982.10.18-04:02:12.456 0.034 mm 0.376 mm 0.387 mm 304. OVRO_130 EG 1982.10.18-04:02:12.456 -0.041 mm 0.376 mm 0.386 mm 305. OVRO_130 NG 1982.10.18-12:02:12.456 -0.031 mm 0.422 mm 0.434 mm 306. OVRO_130 EG 1982.10.18-12:02:12.456 -0.027 mm 0.421 mm 0.432 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 18.23 ps/h NRMS 0.36 share 0.84 count 73 2. MON_PEAK Input 50.00 ps/h RMS 12.99 ps/h NRMS 0.26 share 0.88 count 73 3. OVRO_130 Input 50.00 ps/h RMS 20.55 ps/h NRMS 0.41 share 0.81 count 73 Overall RMS 17.54 ps/h NRMS 0.35 share 0.84 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.53 count 8 2. MON_PEAK Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 Overall RMS 0.11 mm/d NRMS 0.06 share 0.53 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.17 D-14 NRMS 0.43 share 0.23 count 25 3. OVRO_130 Input 5.00 D-14 RMS 1.33 D-14 NRMS 0.27 share 0.21 count 25 Overall RMS 1.80 D-14 NRMS 0.36 share 0.22 count 50 307. UT1-TAI 1, 1982.10.17-23:37:00.000 -2.6467 ms/d -299.37 micros/d 305.75 micros/d 314.32 micros/d EOP epoch (TDT) MJD: 45259.984400 NUT epoch (TDT) MJD: 45259.995706 308. Nutation DPSI wrt apriori model 1982.10.17-23:37:12.936 -1.420 mas 1812.6 microasec 1863.4 microasec Nutation Dx wrt apriori model 1982.10.17-23:37:12.936 -0.556 mas 716.9 microasec 737.0 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.17-23:37:12.936 -4.676 mas 1812.6 microasec 1863.4 microasec 309. Nutation DEPS wrt apriori model 1982.10.17-23:37:12.936 -2.309 mas 1087.4 microasec 1117.9 microasec Nutation Dy wrt apriori model 1982.10.17-23:37:12.936 -2.311 mas 1090.2 microasec 1120.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.17-23:37:12.936 -1.559 mas 1087.4 microasec 1117.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1768 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MON_PEAK 7274 1205751494.27 6.52 1205751494.27 6.52 -258.79 5.29 -82.11 42.96 HRAS_085 7216 to OVRO_130 7207 1508195382.36 5.29 1508195382.36 5.29 29.31 3.42 59.80 28.71 MON_PEAK 7274 to OVRO_130 7207 510423806.92 5.16 510423806.92 5.16 -279.29 3.18 78.81 36.62 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 MARPOINT ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:09 Correlator type: Unknown Experiment code: xus821 Mark-3 db_name: $82OCT18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821018_a Ver 2 xus821 Matrix Condition Number = 2.072310479492363E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MARPOINT: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MARPOINT is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.9 7.0 840.4 1.0 17.6 2.5 MARPOINT MET 11.9 2.5 1034.6 0.7 41.5 10.1 ONSALA60 MET 5.0 2.1 1020.4 2.0 59.9 9.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 14.7 5.7 882.2 2.2 6.9 3.1 WESTFORD MET 9.3 3.8 1021.4 1.2 22.2 3.4 Run 26091-1738 1187 Observation Pairs Available Session started on: 2445261.243900 1982.10.18 17:51:12.960 UTC Nominal duration: 88231.680 sec 01 00:30:31.680 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 458 31.497 ps 0.83 0.9883 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 475 Number of potentially good observations with QC 5-9: 475 Number of used observations: 458 ( 96.42%) Number of suppressed observations: 17 ( 3.58%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MARPOINT 44 44 58.927 0.89 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT HRAS_085 ONSALA60 29 29 114.367 0.93 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT HRAS_085 OVRO_130 72 74 13.169 0.65 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT HRAS_085 WESTFORD 30 42 81.814 0.91 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT MARPOINT ONSALA60 24 24 83.744 0.89 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT MARPOINT OVRO_130 35 37 14.509 0.66 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT MARPOINT WESTFORD 52 52 63.149 0.88 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 45 46 43.436 0.77 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT ONSALA60 WESTFORD 51 51 68.529 0.85 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT OVRO_130 WESTFORD 76 76 57.525 0.87 19821018_a xus821 1982.10.19-06:06:28.8 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19821018_a xus821 MARPOINT ONSALA85 0/ 0 deselected baseline 19821018_a xus821 ONSALA85 OVRO_130 0/ 0 deselected baseline 19821018_a xus821 ONSALA85 WESTFORD 0/ 0 deselected baseline 19821018_a xus821 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 27 28 60 57.308 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 0212+735 J0217+7349 40 43 127 57.815 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 0234+285 J0237+2848 32 32 58 30.376 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 0552+398 J0555+3948 45 46 82 34.947 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 1637+574 J1638+5720 27 29 118 54.711 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 2134+00 J2136+0041 19 19 56 35.437 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 3C273B J1229+0203 30 31 68 16.910 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 3C345 J1642+3948 41 44 107 24.667 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 3C454.3 J2253+1608 38 39 65 17.665 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: 4C39.25 J0927+3902 33 33 96 59.624 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: NRAO150 J0359+5057 39 40 100 30.909 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: OJ287 J0854+2006 25 26 45 51.613 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: OQ208 J1407+2827 47 48 110 33.179 19821018_a xus821 1982.10.19-06:06:28.800 SRC_STAT: VR422201 J2202+4216 15 17 95 73.629 19821018_a xus821 1982.10.19-06:06:28.800 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.19-06:05:56 1. HRAS_085 7216 NOAM X Comp -1324211147.59 mm -130.593 mm 6.409 mm 6.371 mm 2. HRAS_085 7216 NOAM Y Comp -5332022947.95 mm 134.052 mm 16.687 mm 16.590 mm 3. HRAS_085 7216 NOAM Z Comp 3232118398.67 mm 91.671 mm 13.999 mm 13.917 mm HRAS_085 7216 U Comp -38.14 mm -38.142 mm 20.614 mm 17.029 mm HRAS_085 7216 E Comp -159.05 mm -159.053 mm 6.021 mm 4.974 mm HRAS_085 7216 N Comp 129.13 mm 129.133 mm 7.370 mm 6.089 mm 4. HRAS_085 CL 0 1982.10.18-17:50:40.776 11623.328 ns 0.184 ns 0.183 ns 5. HRAS_085 CL 1 1982.10.18-17:50:40.776 82.042 D-14 2.080 D-14 2.067 D-14 6. HRAS_085 CL 2 1982.10.18-17:50:40.776 9.591 D-14/day 1.738 D-14/day 1.728 D-14/day 32. HRAS_085 AT 0 1982.10.18-17:50:40.776 -14.351 ps 64.501 ps 64.123 ps HRAS_085 Atm 1982.10.19-06:21:12.960 Avg: -5.245 ps Rms: 26.588 ps Tot_Rms: 27.100 ps || Nat: 120 Dura: 87930.0 sec Tzd_avg: 6666.9 Tzd_rms: 33.7 Wzd_avg: 289.3 Wzd_rms: 36.6 ps Prs_avg: 84039. Pa Tem_avg: 14.8 C Stm_avg: -7.7 C Stm_rms: 5.3 K Spr_avg: 44. Spr_rms: 67. Pa 108. HRAS_085 NG 1982.10.18-17:49:40.776 -0.023 mm 0.422 mm 0.420 mm 109. HRAS_085 EG 1982.10.18-17:49:40.776 0.029 mm 0.422 mm 0.419 mm 110. HRAS_085 NG 1982.10.19-01:49:40.776 -0.015 mm 0.377 mm 0.374 mm 111. HRAS_085 EG 1982.10.19-01:49:40.776 0.056 mm 0.376 mm 0.374 mm 112. HRAS_085 NG 1982.10.19-09:49:40.776 -0.011 mm 0.377 mm 0.374 mm 113. HRAS_085 EG 1982.10.19-09:49:40.776 0.048 mm 0.376 mm 0.374 mm 114. HRAS_085 NG 1982.10.19-17:49:40.776 -0.007 mm 0.422 mm 0.419 mm 115. HRAS_085 EG 1982.10.19-17:49:40.776 -0.019 mm 0.421 mm 0.419 mm 116. MARPOINT 7217 NOAM X Comp 1106629206.16 mm -46.845 mm 7.130 mm 7.089 mm 117. MARPOINT 7217 NOAM Y Comp -4882907124.49 mm 32.508 mm 21.954 mm 21.826 mm 118. MARPOINT 7217 NOAM Z Comp 3938086945.89 mm -4.108 mm 18.797 mm 18.687 mm MARPOINT 7217 U Comp -35.52 mm -35.522 mm 27.975 mm 23.110 mm MARPOINT 7217 E Comp -38.50 mm -38.501 mm 6.695 mm 5.531 mm MARPOINT 7217 N Comp 22.89 mm 22.889 mm 7.666 mm 6.333 mm 119. MARPOINT CL 0 1982.10.18-17:50:40.776 9663.635 ns 0.343 ns 0.341 ns 120. MARPOINT CL 1 1982.10.18-17:50:40.776 79.140 D-14 2.408 D-14 2.394 D-14 121. MARPOINT CL 2 1982.10.18-17:50:40.776 8.877 D-14/day 1.939 D-14/day 1.928 D-14/day 147. MARPOINT AT 0 1982.10.18-17:50:40.776 23.287 ps 61.666 ps 61.305 ps MARPOINT Atm 1982.10.19-06:21:12.960 Avg: 26.607 ps Rms: 17.420 ps Tot_Rms: 31.803 ps || Nat: 98 Dura: 87210.0 sec Tzd_avg: 8170.6 Tzd_rms: 21.9 Wzd_avg: 377.6 Wzd_rms: 23.0 ps Prs_avg: 103454. Pa Tem_avg: 11.9 C Stm_avg: -0.2 C Stm_rms: 2.0 K Spr_avg: 691. Spr_rms: 65. Pa 223. MARPOINT NG 1982.10.18-17:49:40.776 -0.001 mm 0.422 mm 0.420 mm 224. MARPOINT EG 1982.10.18-17:49:40.776 0.022 mm 0.422 mm 0.420 mm 225. MARPOINT NG 1982.10.19-01:49:40.776 0.004 mm 0.377 mm 0.375 mm 226. MARPOINT EG 1982.10.19-01:49:40.776 0.001 mm 0.377 mm 0.374 mm 227. MARPOINT NG 1982.10.19-09:49:40.776 0.005 mm 0.377 mm 0.375 mm 228. MARPOINT EG 1982.10.19-09:49:40.776 -0.052 mm 0.376 mm 0.374 mm 229. MARPOINT NG 1982.10.19-17:49:40.776 0.011 mm 0.422 mm 0.420 mm 230. MARPOINT EG 1982.10.19-17:49:40.776 -0.028 mm 0.422 mm 0.419 mm 231. ONSALA60 7213 EURA X Comp 3370606204.52 mm 215.521 mm 17.461 mm 17.359 mm 232. ONSALA60 7213 EURA Y Comp 711917204.89 mm -324.115 mm 12.689 mm 12.615 mm 233. ONSALA60 7213 EURA Z Comp 5349830676.80 mm -89.204 mm 28.279 mm 28.113 mm ONSALA60 7213 U Comp 2.39 mm 2.385 mm 31.508 mm 26.029 mm ONSALA60 7213 E Comp -361.66 mm -361.657 mm 13.775 mm 11.380 mm ONSALA60 7213 N Comp -169.28 mm -169.280 mm 9.114 mm 7.529 mm 234. ONSALA60 CL 0 1982.10.18-17:50:40.776 16270.562 ns 0.224 ns 0.222 ns 235. ONSALA60 CL 1 1982.10.18-17:50:40.776 337.963 D-14 2.160 D-14 2.147 D-14 236. ONSALA60 CL 2 1982.10.18-17:50:40.776 13.498 D-14/day 1.913 D-14/day 1.902 D-14/day 262. ONSALA60 AT 0 1982.10.18-17:50:40.776 -75.447 ps 46.528 ps 46.255 ps ONSALA60 Atm 1982.10.19-06:21:12.960 Avg: -36.633 ps Rms: 37.145 ps Tot_Rms: 52.171 ps || Nat: 137 Dura: 88230.0 sec Tzd_avg: 8047.4 Tzd_rms: 18.6 Wzd_avg: 339.3 Wzd_rms: 21.5 ps Prs_avg: 102046. Pa Tem_avg: 4.9 C Stm_avg: -2.3 C Stm_rms: 0.8 K Spr_avg: 244. Spr_rms: 27. Pa 338. ONSALA60 NG 1982.10.18-17:49:40.776 0.002 mm 0.422 mm 0.420 mm 339. ONSALA60 EG 1982.10.18-17:49:40.776 0.010 mm 0.422 mm 0.420 mm 340. ONSALA60 NG 1982.10.19-01:49:40.776 0.017 mm 0.377 mm 0.375 mm 341. ONSALA60 EG 1982.10.19-01:49:40.776 0.002 mm 0.377 mm 0.375 mm 342. ONSALA60 NG 1982.10.19-09:49:40.776 0.016 mm 0.377 mm 0.375 mm 343. ONSALA60 EG 1982.10.19-09:49:40.776 0.005 mm 0.377 mm 0.375 mm 344. ONSALA60 NG 1982.10.19-17:49:40.776 0.009 mm 0.422 mm 0.420 mm 345. ONSALA60 EG 1982.10.19-17:49:40.776 -0.003 mm 0.422 mm 0.420 mm 346. OVRO_130 7207 NOAM X Comp -2409600900.09 mm -13.092 mm 9.197 mm 9.143 mm 347. OVRO_130 7207 NOAM Y Comp -4478349383.99 mm 80.007 mm 17.446 mm 17.344 mm 348. OVRO_130 7207 NOAM Z Comp 3838603252.16 mm 64.157 mm 16.307 mm 16.212 mm OVRO_130 7207 U Comp -12.34 mm -12.341 mm 23.827 mm 19.683 mm OVRO_130 7207 E Comp -49.44 mm -49.438 mm 6.312 mm 5.214 mm OVRO_130 7207 N Comp 89.96 mm 89.957 mm 6.878 mm 5.682 mm 349. OVRO_130 CL 0 1982.10.18-17:50:40.776 4510.303 ns 0.205 ns 0.204 ns 350. OVRO_130 CL 1 1982.10.18-17:50:40.776 7.583 D-14 2.074 D-14 2.062 D-14 351. OVRO_130 CL 2 1982.10.18-17:50:40.776 7.474 D-14/day 1.732 D-14/day 1.722 D-14/day 377. OVRO_130 AT 0 1982.10.18-17:50:40.776 -92.211 ps 71.022 ps 70.606 ps OVRO_130 Atm 1982.10.19-06:21:12.960 Avg: -46.686 ps Rms: 48.574 ps Tot_Rms: 67.372 ps || Nat: 115 Dura: 88230.0 sec Tzd_avg: 6858.2 Tzd_rms: 60.9 Wzd_avg: 159.9 Wzd_rms: 40.8 ps Prs_avg: 88217. Pa Tem_avg: 14.6 C Stm_avg: -0.0 C Stm_rms: 1.6 K Spr_avg: -8. Spr_rms: 117. Pa 453. OVRO_130 NG 1982.10.18-17:49:40.776 0.000 mm 0.422 mm 0.420 mm 454. OVRO_130 EG 1982.10.18-17:49:40.776 -0.006 mm 0.422 mm 0.420 mm 455. OVRO_130 NG 1982.10.19-01:49:40.776 -0.002 mm 0.376 mm 0.374 mm 456. OVRO_130 EG 1982.10.19-01:49:40.776 -0.015 mm 0.376 mm 0.374 mm 457. OVRO_130 NG 1982.10.19-09:49:40.776 -0.007 mm 0.377 mm 0.374 mm 458. OVRO_130 EG 1982.10.19-09:49:40.776 -0.007 mm 0.376 mm 0.374 mm 459. OVRO_130 NG 1982.10.19-17:49:40.776 -0.011 mm 0.422 mm 0.419 mm 460. OVRO_130 EG 1982.10.19-17:49:40.776 0.038 mm 0.421 mm 0.419 mm 461. WESTFORD 7209 NOAM X Comp 1492206518.01 mm -24.991 mm 7.386 mm 7.343 mm 462. WESTFORD 7209 NOAM Y Comp -4458130444.45 mm 77.547 mm 15.487 mm 15.396 mm 463. WESTFORD 7209 NOAM Z Comp 4296015484.48 mm -62.516 mm 16.048 mm 15.954 mm WESTFORD 7209 U Comp -102.28 mm -102.283 mm 21.821 mm 18.026 mm WESTFORD 7209 E Comp 0.92 mm 0.916 mm 6.771 mm 5.594 mm WESTFORD 7209 N Comp 9.15 mm 9.150 mm 5.470 mm 4.519 mm 464. WESTFORD AT 0 1982.10.18-17:50:40.776 3.931 ps 49.328 ps 49.039 ps WESTFORD Atm 1982.10.19-06:21:12.960 Avg: -0.899 ps Rms: 21.103 ps Tot_Rms: 21.123 ps || Nat: 179 Dura: 87930.0 sec Tzd_avg: 8010.2 Tzd_rms: 22.0 Wzd_avg: 319.0 Wzd_rms: 20.0 ps Prs_avg: 102141. Pa Tem_avg: 9.3 C Stm_avg: 0.6 C Stm_rms: 1.4 K Spr_avg: 710. Spr_rms: 50. Pa 540. WESTFORD NG 1982.10.18-17:49:40.776 0.005 mm 0.422 mm 0.420 mm 541. WESTFORD EG 1982.10.18-17:49:40.776 -0.057 mm 0.422 mm 0.419 mm 542. WESTFORD NG 1982.10.19-01:49:40.776 -0.011 mm 0.377 mm 0.374 mm 543. WESTFORD EG 1982.10.19-01:49:40.776 -0.021 mm 0.376 mm 0.374 mm 544. WESTFORD NG 1982.10.19-09:49:40.776 -0.012 mm 0.377 mm 0.375 mm 545. WESTFORD EG 1982.10.19-09:49:40.776 0.032 mm 0.376 mm 0.374 mm 546. WESTFORD NG 1982.10.19-17:49:40.776 -0.006 mm 0.422 mm 0.419 mm 547. WESTFORD EG 1982.10.19-17:49:40.776 0.055 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.76 ps/h NRMS 0.32 share 0.87 count 76 2. MARPOINT Input 50.00 ps/h RMS 10.20 ps/h NRMS 0.20 share 0.91 count 76 3. ONSALA60 Input 50.00 ps/h RMS 12.99 ps/h NRMS 0.26 share 0.87 count 76 5. OVRO_130 Input 50.00 ps/h RMS 15.19 ps/h NRMS 0.30 share 0.85 count 76 6. WESTFORD Input 50.00 ps/h RMS 15.64 ps/h NRMS 0.31 share 0.86 count 76 Overall RMS 14.12 ps/h NRMS 0.28 share 0.87 count 380 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.53 count 8 2. MARPOINT Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 6. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.70 D-14 NRMS 0.54 share 0.25 count 26 2. MARPOINT Input 5.00 D-14 RMS 1.51 D-14 NRMS 0.30 share 0.38 count 26 3. ONSALA60 Input 5.00 D-14 RMS 2.69 D-14 NRMS 0.54 share 0.43 count 26 5. OVRO_130 Input 5.00 D-14 RMS 1.66 D-14 NRMS 0.33 share 0.23 count 26 Overall RMS 2.21 D-14 NRMS 0.44 share 0.32 count 104 548. UT1-TAI 1, 1982.10.19-06:06:00.000 -2.0692 ms/d 52.71 micros/d 76.54 micros/d 76.10 micros/d EOP epoch (TDT) MJD: 45261.254539 NUT epoch (TDT) MJD: 45261.296454 549. Nutation DPSI wrt apriori model 1982.10.19-06:05:56.616 -1.212 mas 1058.8 microasec 1052.6 microasec Nutation Dx wrt apriori model 1982.10.19-06:05:56.616 -0.479 mas 419.6 microasec 417.1 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.19-06:05:56.616 -4.382 mas 1058.8 microasec 1052.6 microasec 550. Nutation DEPS wrt apriori model 1982.10.19-06:05:56.616 -0.705 mas 425.5 microasec 423.0 microasec Nutation Dy wrt apriori model 1982.10.19-06:05:56.616 -0.707 mas 427.2 microasec 424.7 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.19-06:05:56.616 -0.021 mas 425.5 microasec 423.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0603 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MARPOINT 7217 2570813380.62 8.48 2570813380.62 8.48 156.69 8.81 -26.68 41.65 HRAS_085 7216 to ONSALA60 7213 7940732197.58 23.99 7940732197.58 23.99 556.05 8.15 -127.46 41.27 HRAS_085 7216 to OVRO_130 7207 1508195393.88 5.66 1508195393.88 5.66 38.52 4.65 8.37 29.35 HRAS_085 7216 to WESTFORD 7209 3134928003.00 9.35 3134928003.00 9.35 187.42 6.46 47.70 34.31 MARPOINT 7217 to ONSALA60 7213 6198441053.00 22.26 6198441053.00 22.26 338.82 8.72 -167.98 48.56 MARPOINT 7217 to OVRO_130 7207 3540824498.73 11.51 3540824498.73 11.51 84.52 8.50 -3.47 43.43 MARPOINT 7217 to WESTFORD 7209 676178918.67 7.85 676178918.67 7.85 37.58 7.42 66.40 35.82 ONSALA60 7213 to OVRO_130 7207 7914131017.67 26.55 7914131017.67 26.55 470.94 9.19 33.17 42.21 ONSALA60 7213 to WESTFORD 7209 5600741427.55 16.45 5600741427.55 16.45 297.05 7.21 211.07 45.10 OVRO_130 7207 to WESTFORD 7209 3928579372.21 11.67 3928579372.21 11.67 93.32 5.94 82.33 37.41 NNT_POS: 3 stations participated in NNT_POS constraints: JPL_MV1 OVRO_130 QUINCY NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:12 Correlator type: Unknown Experiment code: mob823 Mark-3 db_name: $82OCT21XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821021_a Ver 2 mob823 Matrix Condition Number = 6.599138676703826E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | JPL_MV1 : CABL_DEL GION | | OVRO_130: GION | | QUINCY : GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for QUINCY is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET -999.0 0.0 -999.0 0.0 0.0 0.0 JPL_MV1 MET 23.9 5.0 964.2 1.0 9.1 19.8 OVRO_130 MET 15.8 4.3 884.5 1.2 10.5 16.8 QUINCY MET 11.4 2.1 891.6 0.8 28.2 44.8 Run 26091-1738 433 Observation Pairs Available Session started on: 2445263.803300 1982.10.21 07:16:45.120 UTC Nominal duration: 187133.760 sec 02 03:58:53.760 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 87 53.906 ps 0.71 1.0049 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 97 Number of potentially good observations with QC 5-9: 97 Number of used observations: 87 ( 89.69%) Number of suppressed observations: 10 ( 10.31%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 OVRO_130 34 39 252.079 0.82 19821021_a mob823 1982.10.22-09:16:12.0 BAS_STAT JPL_MV1 QUINCY 8 8 146.967 0.70 19821021_a mob823 1982.10.22-09:16:12.0 BAS_STAT OVRO_130 QUINCY 45 50 34.296 0.62 19821021_a mob823 1982.10.22-09:16:12.0 BAS_STAT Not included: GOLDVENU JPL_MV1 0/ 0 deselected baseline 19821021_a mob823 GOLDVENU OVRO_130 0/ 0 deselected baseline 19821021_a mob823 GOLDVENU QUINCY 0/ 0 deselected baseline 19821021_a mob823 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0552+398 J0555+3948 5 9 33 19.685 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 0727-115 J0730-1141 5 6 18 126.994 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 1127-145 J1130-1449 4 5 17 50.805 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 1510-089 J1512-0905 2 2 11 118.984 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 2134+00 J2136+0041 8 8 44 53.263 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 3C120 J0433+0521 9 9 37 77.840 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 3C273B J1229+0203 3 3 17 37.396 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 3C279 J1256-0547 5 5 11 68.417 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 3C345 J1642+3948 8 8 30 42.922 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 3C418 J2038+5119 7 8 43 122.710 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 3C454.3 J2253+1608 14 14 61 42.509 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 3C84 J0319+4130 6 6 27 26.016 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: 4C39.25 J0927+3902 3 3 27 30.537 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: NRAO150 J0359+5057 6 9 46 66.941 19821021_a mob823 1982.10.22-09:16:12.000 SRC_STAT: NRAO530 J1733-1304 2 2 11 34.819 19821021_a mob823 1982.10.22-09:16:12.000 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.22-09:15:39 1. JPL_MV1 7263 PCFC X Comp -2493306253.24 mm 43.755 mm 155.465 mm 155.842 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197608.86 mm -224.863 mm 284.945 mm 285.637 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519531.45 mm 68.448 mm 208.130 mm 208.635 mm JPL_MV1 7263 U Comp 185.33 mm 185.329 mm 382.876 mm 272.385 mm JPL_MV1 7263 E Comp 144.74 mm 144.739 mm 25.394 mm 18.066 mm JPL_MV1 7263 N Comp -43.21 mm -43.210 mm 37.976 mm 27.017 mm 4. JPL_MV1 CL 0 1982.10.21-07:16:12.936 29584.052 ns 4.954 ns 4.966 ns 5. JPL_MV1 CL 1 1982.10.21-07:16:12.936 19.647 D-14 9.309 D-14 9.332 D-14 6. JPL_MV1 CL 2 1982.10.21-07:16:12.936 2.848 D-14/day 4.223 D-14/day 4.233 D-14/day 7. JPL_MV1 BR 0 1982.10.22-18:59:27.816 -4.049 ns 0.438 ns 0.439 ns 8. JPL_MV1 BR 1 1982.10.22-18:59:27.816 17.008 D-14 5.048 D-14 5.060 D-14 9. JPL_MV1 BR 2 1982.10.22-18:59:27.816 -33.759 D-14/day 6.317 D-14/day 6.333 D-14/day 62. JPL_MV1 AT 0 1982.10.21-07:16:12.936 -146.262 ps 1105.211 ps 1107.895 ps JPL_MV1 Atm 1982.10.22-09:16:45.120 Avg: -174.392 ps Rms: 28.985 ps Tot_Rms: 176.784 ps || Nat: 103 Dura: 187140.0 sec Tzd_avg: 7711.9 Tzd_rms: 11.8 Wzd_avg: 391.6 Wzd_rms: 12.2 ps Prs_avg: 96404. Pa Tem_avg: 23.9 C Stm_avg: -0.6 C Stm_rms: 4.0 K Spr_avg: -99. Spr_rms: 39. Pa 219. JPL_MV1 NG 1982.10.21-07:15:12.936 -0.001 mm 0.422 mm 0.423 mm 220. JPL_MV1 EG 1982.10.21-07:15:12.936 0.000 mm 0.422 mm 0.423 mm 221. JPL_MV1 NG 1982.10.21-15:15:12.936 -0.002 mm 0.377 mm 0.378 mm 222. JPL_MV1 EG 1982.10.21-15:15:12.936 0.001 mm 0.377 mm 0.378 mm 223. JPL_MV1 NG 1982.10.21-23:15:12.936 -0.006 mm 0.373 mm 0.374 mm 224. JPL_MV1 EG 1982.10.21-23:15:12.936 0.004 mm 0.373 mm 0.374 mm 225. JPL_MV1 NG 1982.10.22-07:15:12.936 -0.007 mm 0.372 mm 0.373 mm 226. JPL_MV1 EG 1982.10.22-07:15:12.936 0.003 mm 0.372 mm 0.373 mm 227. JPL_MV1 NG 1982.10.22-15:15:12.936 0.001 mm 0.373 mm 0.374 mm 228. JPL_MV1 EG 1982.10.22-15:15:12.936 -0.003 mm 0.373 mm 0.374 mm 229. JPL_MV1 NG 1982.10.22-23:15:12.936 0.003 mm 0.377 mm 0.378 mm 230. JPL_MV1 EG 1982.10.22-23:15:12.936 -0.002 mm 0.377 mm 0.378 mm 231. JPL_MV1 NG 1982.10.23-07:15:12.936 0.008 mm 0.422 mm 0.423 mm 232. JPL_MV1 EG 1982.10.23-07:15:12.936 -0.003 mm 0.422 mm 0.423 mm 233. OVRO_130 7207 NOAM X Comp -2409600931.78 mm -44.780 mm 78.898 mm 79.089 mm 234. OVRO_130 7207 NOAM Y Comp -4478349324.84 mm 139.158 mm 144.334 mm 144.685 mm 235. OVRO_130 7207 NOAM Z Comp 3838603126.92 mm -61.082 mm 105.140 mm 105.396 mm OVRO_130 7207 U Comp -117.63 mm -117.634 mm 193.567 mm 137.707 mm OVRO_130 7207 E Comp -105.37 mm -105.370 mm 13.789 mm 9.810 mm OVRO_130 7207 N Comp 12.67 mm 12.673 mm 21.293 mm 15.148 mm 236. OVRO_130 AT 0 1982.10.21-07:16:12.936 166.800 ps 628.140 ps 629.666 ps OVRO_130 Atm 1982.10.22-09:16:45.120 Avg: 183.892 ps Rms: 20.271 ps Tot_Rms: 185.006 ps || Nat: 98 Dura: 187140.0 sec Tzd_avg: 7034.7 Tzd_rms: 34.6 Wzd_avg: 331.7 Wzd_rms: 31.4 ps Prs_avg: 88432. Pa Tem_avg: 16.0 C Stm_avg: -0.5 C Stm_rms: 3.0 K Spr_avg: 58. Spr_rms: 83. Pa 393. OVRO_130 NG 1982.10.21-07:15:12.936 -0.000 mm 0.422 mm 0.423 mm 394. OVRO_130 EG 1982.10.21-07:15:12.936 -0.000 mm 0.422 mm 0.423 mm 395. OVRO_130 NG 1982.10.21-15:15:12.936 -0.000 mm 0.377 mm 0.378 mm 396. OVRO_130 EG 1982.10.21-15:15:12.936 -0.001 mm 0.377 mm 0.378 mm 397. OVRO_130 NG 1982.10.21-23:15:12.936 -0.001 mm 0.373 mm 0.374 mm 398. OVRO_130 EG 1982.10.21-23:15:12.936 -0.003 mm 0.373 mm 0.374 mm 399. OVRO_130 NG 1982.10.22-07:15:12.936 -0.002 mm 0.372 mm 0.373 mm 400. OVRO_130 EG 1982.10.22-07:15:12.936 0.001 mm 0.372 mm 0.373 mm 401. OVRO_130 NG 1982.10.22-15:15:12.936 0.009 mm 0.373 mm 0.374 mm 402. OVRO_130 EG 1982.10.22-15:15:12.936 0.001 mm 0.373 mm 0.374 mm 403. OVRO_130 NG 1982.10.22-23:15:12.936 0.007 mm 0.377 mm 0.378 mm 404. OVRO_130 EG 1982.10.22-23:15:12.936 0.004 mm 0.377 mm 0.378 mm 405. OVRO_130 NG 1982.10.23-07:15:12.936 0.008 mm 0.422 mm 0.423 mm 406. OVRO_130 EG 1982.10.23-07:15:12.936 0.003 mm 0.422 mm 0.423 mm 407. QUINCY 7221 NOAM X Comp -2517231056.98 mm 1.024 mm 82.816 mm 83.017 mm 408. QUINCY 7221 NOAM Y Comp -4198595028.29 mm 85.706 mm 148.126 mm 148.486 mm 409. QUINCY 7221 NOAM Z Comp 4076531201.63 mm -7.366 mm 113.739 mm 114.015 mm QUINCY 7221 U Comp -61.47 mm -61.466 mm 200.030 mm 142.305 mm QUINCY 7221 E Comp -43.19 mm -43.192 mm 20.532 mm 14.607 mm QUINCY 7221 N Comp 41.92 mm 41.918 mm 36.092 mm 25.676 mm 410. QUINCY CL 0 1982.10.21-07:16:12.936 392.544 ns 2.354 ns 2.360 ns 411. QUINCY CL 1 1982.10.21-07:16:12.936 45.275 D-14 4.191 D-14 4.201 D-14 412. QUINCY CL 2 1982.10.21-07:16:12.936 1.578 D-14/day 1.475 D-14/day 1.479 D-14/day 465. QUINCY AT 0 1982.10.21-07:16:12.936 203.801 ps 675.705 ps 677.346 ps QUINCY Atm 1982.10.22-09:16:45.120 Avg: 192.929 ps Rms: 15.892 ps Tot_Rms: 193.582 ps || Nat: 70 Dura: 170900.0 sec Tzd_avg: 7115.6 Tzd_rms: 44.9 Wzd_avg: 352.7 Wzd_rms: 47.9 ps Prs_avg: 89157. Pa Tem_avg: 11.3 C Stm_avg: -2.5 C Stm_rms: 2.6 K Spr_avg: -32. Spr_rms: 82. Pa 622. QUINCY NG 1982.10.21-07:15:12.936 0.001 mm 0.422 mm 0.423 mm 623. QUINCY EG 1982.10.21-07:15:12.936 -0.000 mm 0.422 mm 0.423 mm 624. QUINCY NG 1982.10.21-15:15:12.936 0.002 mm 0.377 mm 0.378 mm 625. QUINCY EG 1982.10.21-15:15:12.936 -0.000 mm 0.377 mm 0.378 mm 626. QUINCY NG 1982.10.21-23:15:12.936 0.007 mm 0.373 mm 0.374 mm 627. QUINCY EG 1982.10.21-23:15:12.936 -0.001 mm 0.373 mm 0.374 mm 628. QUINCY NG 1982.10.22-07:15:12.936 0.009 mm 0.372 mm 0.373 mm 629. QUINCY EG 1982.10.22-07:15:12.936 -0.004 mm 0.372 mm 0.373 mm 630. QUINCY NG 1982.10.22-15:15:12.936 -0.010 mm 0.373 mm 0.374 mm 631. QUINCY EG 1982.10.22-15:15:12.936 0.002 mm 0.373 mm 0.374 mm 632. QUINCY NG 1982.10.22-23:15:12.936 -0.011 mm 0.377 mm 0.378 mm 633. QUINCY EG 1982.10.22-23:15:12.936 -0.002 mm 0.377 mm 0.378 mm 634. QUINCY NG 1982.10.23-07:15:12.936 -0.016 mm 0.422 mm 0.423 mm 635. QUINCY EG 1982.10.23-07:15:12.936 -0.000 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 2. JPL_MV1 Input 50.00 ps/h RMS 4.08 ps/h NRMS 0.08 share 0.99 count 157 3. OVRO_130 Input 50.00 ps/h RMS 5.48 ps/h NRMS 0.11 share 0.98 count 157 4. QUINCY Input 50.00 ps/h RMS 5.05 ps/h NRMS 0.10 share 0.98 count 157 Overall RMS 4.90 ps/h NRMS 0.10 share 0.98 count 471 Gradient Constraint Statistics 2. JPL_MV1 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.50 count 14 3. OVRO_130 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.50 count 14 4. QUINCY Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.50 count 14 Overall RMS 0.01 mm/d NRMS 0.01 share 0.50 count 42 Clock Constraint Statistics 2. JPL_MV1 Input 5.00 D-14 RMS 2.29 D-14 NRMS 0.46 share 0.92 count 53 4. QUINCY Input 5.00 D-14 RMS 2.62 D-14 NRMS 0.52 share 0.74 count 53 Overall RMS 2.46 D-14 NRMS 0.49 share 0.83 count 106 636. UT1-TAI 1, 1982.10.22-09:16:00.000 -3.7529 ms/d -1995.62 micros/d 1459.82 micros/d 1463.37 micros/d EOP epoch (TDT) MJD: 45264.386484 NUT epoch (TDT) MJD: 45264.676015 637. Nutation DPSI wrt apriori model 1982.10.22-09:15:39.816 -29.052 mas 24966.5 microasec 25027.2 microasec Nutation Dx wrt apriori model 1982.10.22-09:15:39.816 -11.483 mas 9900.6 microasec 9924.6 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.22-09:15:39.816 -31.538 mas 24966.5 microasec 25027.2 microasec 638. Nutation DEPS wrt apriori model 1982.10.22-09:15:39.816 -19.482 mas 8172.0 microasec 8191.8 microasec Nutation Dy wrt apriori model 1982.10.22-09:15:39.816 -19.526 mas 8210.2 microasec 8230.1 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.22-09:15:39.816 -18.924 mas 8172.0 microasec 8191.8 microasec 639. JPL_MV1 QUINCY Clock offset 90.112 ps 102.569 ps 102.818 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 2.2318 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to OVRO_130 7207 335941284.33 56.54 335941284.33 56.54 -248.40 36.07 302.15 572.15 JPL_MV1 7263 to QUINCY 7221 685704921.87 78.66 685704921.87 78.66 -145.60 40.82 244.51 578.68 OVRO_130 7207 to QUINCY 7221 382696327.43 29.32 382696327.43 29.32 69.20 12.99 -52.03 99.93 NNT_POS: 4 stations participated in NNT_POS constraints: GOLDVENU HRAS_085 OVRO_130 QUINCY NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:15 Correlator type: Unknown Experiment code: mob824 Mark-3 db_name: $82OCT23XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821023_a Ver 2 mob824 Matrix Condition Number = 1.079535268539044E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | HRAS_085: GION | | OVRO_130: GION | | QUINCY : GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GOLDVENU is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for QUINCY is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET 21.3 3.0 897.4 0.9 42.6 4.4 HRAS_085 MET 9.6 6.2 844.8 0.8 45.6 13.7 OVRO_130 MET 16.1 6.6 881.0 0.9 50.4 1.1 QUINCY MET 9.6 1.2 891.4 0.5 100.0 0.0 Run 26091-1738 587 Observation Pairs Available Session started on: 2445266.020800 1982.10.23 12:29:57.120 UTC Nominal duration: 86244.480 sec 00 23:57:24.480 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 461 35.694 ps 0.85 1.0029 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 511 Number of potentially good observations with QC 5-9: 511 Number of used observations: 461 ( 90.22%) Number of suppressed observations: 50 ( 9.78%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GOLDVENU HRAS_085 86 92 31.257 0.82 19821023_a mob824 1982.10.24-00:28:39.3 BAS_STAT GOLDVENU OVRO_130 85 90 21.657 0.77 19821023_a mob824 1982.10.24-00:28:39.3 BAS_STAT GOLDVENU QUINCY 84 89 72.415 0.91 19821023_a mob824 1982.10.24-00:28:39.3 BAS_STAT HRAS_085 OVRO_130 79 95 29.369 0.81 19821023_a mob824 1982.10.24-00:28:39.3 BAS_STAT HRAS_085 QUINCY 56 57 94.259 0.93 19821023_a mob824 1982.10.24-00:28:39.3 BAS_STAT OVRO_130 QUINCY 71 88 57.203 0.88 19821023_a mob824 1982.10.24-00:28:39.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 26 29 34 50.795 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 0528+134 J0530+1331 41 42 48 38.304 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 0552+398 J0555+3948 38 40 46 41.181 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 2134+00 J2136+0041 40 40 48 37.792 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 3C273B J1229+0203 42 53 53 33.120 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 3C345 J1642+3948 49 60 60 26.276 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 3C418 J2038+5119 40 43 53 36.645 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 3C454.3 J2253+1608 51 55 55 34.862 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 3C84 J0319+4130 37 39 43 35.602 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: 4C39.25 J0927+3902 36 38 54 33.726 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: NRAO530 J1733-1304 27 36 42 29.456 19821023_a mob824 1982.10.24-00:28:39.360 SRC_STAT: OJ287 J0854+2006 34 36 51 32.772 19821023_a mob824 1982.10.24-00:28:39.360 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.24-00:28:07 1. GOLDVENU 1513 NOAM X Comp -2351129259.52 mm -34.516 mm 7.870 mm 7.881 mm 2. GOLDVENU 1513 NOAM Y Comp -4655477009.79 mm -8.795 mm 14.497 mm 14.518 mm 3. GOLDVENU 1513 NOAM Z Comp 3660956870.17 mm 5.170 mm 11.480 mm 11.497 mm GOLDVENU 1513 U Comp 22.10 mm 22.102 mm 19.827 mm 16.878 mm GOLDVENU 1513 E Comp -26.84 mm -26.845 mm 2.142 mm 1.823 mm GOLDVENU 1513 N Comp -9.29 mm -9.288 mm 2.488 mm 2.118 mm 4. GOLDVENU CL 0 1982.10.23-12:29:24.936 16247.455 ns 0.152 ns 0.153 ns 5. GOLDVENU CL 1 1982.10.23-12:29:24.936 -64.176 D-14 2.069 D-14 2.072 D-14 6. GOLDVENU CL 2 1982.10.23-12:29:24.936 -1.279 D-14/day 1.796 D-14/day 1.799 D-14/day 31. GOLDVENU AT 0 1982.10.23-12:29:24.936 52.037 ps 67.611 ps 67.710 ps GOLDVENU Atm 1982.10.24-00:29:57.120 Avg: -14.664 ps Rms: 31.966 ps Tot_Rms: 35.169 ps || Nat: 97 Dura: 86240.0 sec Tzd_avg: 7188.3 Tzd_rms: 32.7 Wzd_avg: 399.8 Wzd_rms: 38.7 ps Prs_avg: 89744. Pa Tem_avg: 21.3 C Stm_avg: 0.6 C Stm_rms: 3.6 K Spr_avg: 251. Spr_rms: 112. Pa 104. GOLDVENU NG 1982.10.23-12:28:24.936 -0.014 mm 0.421 mm 0.422 mm 105. GOLDVENU EG 1982.10.23-12:28:24.936 0.102 mm 0.419 mm 0.420 mm 106. GOLDVENU NG 1982.10.23-20:28:24.936 -0.061 mm 0.376 mm 0.376 mm 107. GOLDVENU EG 1982.10.23-20:28:24.936 0.007 mm 0.374 mm 0.375 mm 108. GOLDVENU NG 1982.10.24-04:28:24.936 0.028 mm 0.376 mm 0.376 mm 109. GOLDVENU EG 1982.10.24-04:28:24.936 -0.024 mm 0.375 mm 0.375 mm 110. GOLDVENU NG 1982.10.24-12:28:24.936 0.088 mm 0.420 mm 0.421 mm 111. GOLDVENU EG 1982.10.24-12:28:24.936 -0.100 mm 0.419 mm 0.419 mm 112. HRAS_085 7216 NOAM X Comp -1324211125.11 mm -108.114 mm 9.199 mm 9.212 mm 113. HRAS_085 7216 NOAM Y Comp -5332023073.43 mm 8.567 mm 17.658 mm 17.684 mm 114. HRAS_085 7216 NOAM Z Comp 3232118322.65 mm 15.648 mm 13.753 mm 13.773 mm HRAS_085 7216 U Comp 23.24 mm 23.241 mm 23.202 mm 19.751 mm HRAS_085 7216 E Comp -106.99 mm -106.992 mm 5.655 mm 4.814 mm HRAS_085 7216 N Comp 4.42 mm 4.422 mm 3.910 mm 3.328 mm 115. HRAS_085 CL 0 1982.10.23-12:29:24.936 7428.871 ns 0.187 ns 0.187 ns 116. HRAS_085 CL 1 1982.10.23-12:29:24.936 69.462 D-14 2.071 D-14 2.074 D-14 117. HRAS_085 CL 2 1982.10.23-12:29:24.936 -1.962 D-14/day 1.803 D-14/day 1.806 D-14/day 142. HRAS_085 AT 0 1982.10.23-12:29:24.936 -8.911 ps 52.735 ps 52.813 ps HRAS_085 Atm 1982.10.24-00:29:57.120 Avg: -6.245 ps Rms: 14.643 ps Tot_Rms: 15.919 ps || Nat: 105 Dura: 86240.0 sec Tzd_avg: 6626.4 Tzd_rms: 7.5 Wzd_avg: 214.8 Wzd_rms: 8.2 ps Prs_avg: 84483. Pa Tem_avg: 9.5 C Stm_avg: -4.9 C Stm_rms: 3.1 K Spr_avg: 76. Spr_rms: 58. Pa 215. HRAS_085 NG 1982.10.23-12:28:24.936 -0.033 mm 0.422 mm 0.422 mm 216. HRAS_085 EG 1982.10.23-12:28:24.936 -0.012 mm 0.421 mm 0.422 mm 217. HRAS_085 NG 1982.10.23-20:28:24.936 0.008 mm 0.377 mm 0.377 mm 218. HRAS_085 EG 1982.10.23-20:28:24.936 -0.020 mm 0.376 mm 0.377 mm 219. HRAS_085 NG 1982.10.24-04:28:24.936 0.009 mm 0.377 mm 0.377 mm 220. HRAS_085 EG 1982.10.24-04:28:24.936 0.004 mm 0.376 mm 0.377 mm 221. HRAS_085 NG 1982.10.24-12:28:24.936 0.006 mm 0.422 mm 0.422 mm 222. HRAS_085 EG 1982.10.24-12:28:24.936 0.022 mm 0.421 mm 0.422 mm 223. OVRO_130 7207 NOAM X Comp -2409600857.89 mm 29.111 mm 7.737 mm 7.749 mm 224. OVRO_130 7207 NOAM Y Comp -4478349477.43 mm -13.428 mm 13.820 mm 13.841 mm 225. OVRO_130 7207 NOAM Z Comp 3838603169.97 mm -18.030 mm 11.603 mm 11.621 mm OVRO_130 7207 U Comp -12.48 mm -12.476 mm 19.370 mm 16.489 mm OVRO_130 7207 E Comp 32.00 mm 31.999 mm 2.139 mm 1.821 mm OVRO_130 7207 N Comp -13.16 mm -13.164 mm 2.392 mm 2.036 mm 226. OVRO_130 AT 0 1982.10.23-12:29:24.936 -187.376 ps 74.453 ps 74.562 ps OVRO_130 Atm 1982.10.24-00:29:57.120 Avg: -119.112 ps Rms: 38.168 ps Tot_Rms: 125.078 ps || Nat: 101 Dura: 86240.0 sec Tzd_avg: 7090.0 Tzd_rms: 20.0 Wzd_avg: 403.8 Wzd_rms: 18.2 ps Prs_avg: 88101. Pa Tem_avg: 15.9 C Stm_avg: 0.4 C Stm_rms: 5.0 K Spr_avg: -94. Spr_rms: 53. Pa 299. OVRO_130 NG 1982.10.23-12:28:24.936 0.023 mm 0.421 mm 0.422 mm 300. OVRO_130 EG 1982.10.23-12:28:24.936 -0.078 mm 0.419 mm 0.420 mm 301. OVRO_130 NG 1982.10.23-20:28:24.936 0.050 mm 0.376 mm 0.376 mm 302. OVRO_130 EG 1982.10.23-20:28:24.936 0.025 mm 0.375 mm 0.375 mm 303. OVRO_130 NG 1982.10.24-04:28:24.936 -0.033 mm 0.376 mm 0.376 mm 304. OVRO_130 EG 1982.10.24-04:28:24.936 0.031 mm 0.375 mm 0.375 mm 305. OVRO_130 NG 1982.10.24-12:28:24.936 -0.105 mm 0.420 mm 0.421 mm 306. OVRO_130 EG 1982.10.24-12:28:24.936 0.046 mm 0.419 mm 0.419 mm 307. QUINCY 7221 NOAM X Comp -2517230944.48 mm 113.518 mm 14.056 mm 14.077 mm 308. QUINCY 7221 NOAM Y Comp -4198595100.35 mm 13.655 mm 22.935 mm 22.969 mm 309. QUINCY 7221 NOAM Z Comp 4076531206.21 mm -2.789 mm 20.632 mm 20.663 mm QUINCY 7221 U Comp -55.50 mm -55.498 mm 33.398 mm 28.431 mm QUINCY 7221 E Comp 90.34 mm 90.339 mm 3.468 mm 2.952 mm QUINCY 7221 N Comp 42.89 mm 42.888 mm 4.674 mm 3.979 mm 310. QUINCY CL 0 1982.10.23-12:29:24.936 485.340 ns 0.235 ns 0.235 ns 311. QUINCY CL 1 1982.10.23-12:29:24.936 52.517 D-14 2.117 D-14 2.120 D-14 312. QUINCY CL 2 1982.10.23-12:29:24.936 -1.361 D-14/day 1.835 D-14/day 1.838 D-14/day 337. QUINCY AT 0 1982.10.23-12:29:24.936 124.541 ps 79.406 ps 79.523 ps QUINCY Atm 1982.10.24-00:29:57.120 Avg: 61.134 ps Rms: 36.909 ps Tot_Rms: 71.412 ps || Nat: 103 Dura: 84600.0 sec Tzd_avg: 7107.9 Tzd_rms: 30.7 Wzd_avg: 344.9 Wzd_rms: 28.5 ps Prs_avg: 89143. Pa Tem_avg: 9.6 C Stm_avg: -2.0 C Stm_rms: 0.9 K Spr_avg: -50. Spr_rms: 38. Pa 410. QUINCY NG 1982.10.23-12:28:24.936 0.002 mm 0.422 mm 0.423 mm 411. QUINCY EG 1982.10.23-12:28:24.936 -0.007 mm 0.422 mm 0.422 mm 412. QUINCY NG 1982.10.23-20:28:24.936 -0.001 mm 0.377 mm 0.377 mm 413. QUINCY EG 1982.10.23-20:28:24.936 -0.006 mm 0.376 mm 0.377 mm 414. QUINCY NG 1982.10.24-04:28:24.936 -0.004 mm 0.377 mm 0.377 mm 415. QUINCY EG 1982.10.24-04:28:24.936 -0.003 mm 0.376 mm 0.377 mm 416. QUINCY NG 1982.10.24-12:28:24.936 0.007 mm 0.422 mm 0.423 mm 417. QUINCY EG 1982.10.24-12:28:24.936 0.036 mm 0.421 mm 0.422 mm Atmosphere Constraint Statistics 1. GOLDVENU Input 50.00 ps/h RMS 17.30 ps/h NRMS 0.35 share 0.80 count 73 2. HRAS_085 Input 50.00 ps/h RMS 13.09 ps/h NRMS 0.26 share 0.83 count 73 3. OVRO_130 Input 50.00 ps/h RMS 20.63 ps/h NRMS 0.41 share 0.79 count 73 4. QUINCY Input 50.00 ps/h RMS 16.07 ps/h NRMS 0.32 share 0.90 count 73 Overall RMS 16.99 ps/h NRMS 0.34 share 0.83 count 292 Gradient Constraint Statistics 1. GOLDVENU Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.10 share 0.53 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.09 share 0.53 count 8 4. QUINCY Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.15 mm/d NRMS 0.07 share 0.53 count 32 Clock Constraint Statistics 1. GOLDVENU Input 5.00 D-14 RMS 2.86 D-14 NRMS 0.57 share 0.17 count 25 2. HRAS_085 Input 5.00 D-14 RMS 1.62 D-14 NRMS 0.32 share 0.19 count 25 4. QUINCY Input 5.00 D-14 RMS 3.24 D-14 NRMS 0.65 share 0.24 count 25 Overall RMS 2.66 D-14 NRMS 0.53 share 0.20 count 75 418. UT1-TAI 1, 1982.10.24-00:28:00.000 -1.6026 ms/d 186.23 micros/d 298.53 micros/d 298.97 micros/d EOP epoch (TDT) MJD: 45266.019817 NUT epoch (TDT) MJD: 45266.048628 419. Nutation DPSI wrt apriori model 1982.10.24-00:28:07.176 -1.423 mas 2150.5 microasec 2153.7 microasec Nutation Dx wrt apriori model 1982.10.24-00:28:07.176 -0.563 mas 851.9 microasec 853.1 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.24-00:28:07.176 -3.423 mas 2150.5 microasec 2153.7 microasec 420. Nutation DEPS wrt apriori model 1982.10.24-00:28:07.176 -0.707 mas 940.5 microasec 941.9 microasec Nutation Dy wrt apriori model 1982.10.24-00:28:07.176 -0.709 mas 943.8 microasec 945.2 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.24-00:28:07.176 0.013 mas 940.5 microasec 941.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0592 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GOLDVENU 1513 to HRAS_085 7216 1302373959.67 5.85 1302373959.67 5.85 26.00 3.84 -13.47 33.21 GOLDVENU 1513 to OVRO_130 7207 257587457.71 3.18 257587457.71 3.18 48.05 2.42 34.18 26.80 GOLDVENU 1513 to QUINCY 7221 639556782.24 6.38 639556782.24 6.38 125.57 4.56 77.16 46.82 HRAS_085 7216 to OVRO_130 7207 1508195395.35 6.15 1508195395.35 6.15 55.52 3.86 42.47 32.21 HRAS_085 7216 to QUINCY 7221 1849591408.26 9.48 1849591408.26 9.48 143.96 6.17 82.35 49.97 OVRO_130 7207 to QUINCY 7221 382696351.52 5.86 382696351.52 5.86 79.55 4.62 41.61 46.76 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:18 Correlator type: Unknown Experiment code: pol082 Mark-3 db_name: $82OCT25X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821025_a Ver 2 pol082 Matrix Condition Number = 9.908079844207920E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.0 4.5 843.3 0.6 20.0 2.7 OVRO_130 MET 14.6 3.9 875.6 1.7 44.4 26.7 WESTFORD MET 6.4 2.7 1014.6 1.5 30.5 4.3 Run 26091-1738 419 Observation Pairs Available Session started on: 2445268.257100 1982.10.25 18:10:13.440 UTC Nominal duration: 87168.960 sec 01 00:12:48.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 281 56.976 ps 0.88 1.0302 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 293 Number of potentially good observations with QC 5-9: 293 Number of used observations: 281 ( 95.90%) Number of suppressed observations: 12 ( 4.10%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 OVRO_130 88 94 45.004 0.83 19821025_a pol082 1982.10.26-06:16:37.9 BAS_STAT HRAS_085 WESTFORD 116 116 89.467 0.93 19821025_a pol082 1982.10.26-06:16:37.9 BAS_STAT OVRO_130 WESTFORD 77 83 47.838 0.85 19821025_a pol082 1982.10.26-06:16:37.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 23 68.436 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 0212+735 J0217+7349 7 11 23 84.632 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 0234+285 J0237+2848 18 18 23 104.412 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 0552+398 J0555+3948 35 35 39 50.822 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 1637+574 J1638+5720 29 30 51 90.107 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 2134+00 J2136+0041 2 2 20 14.581 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 3C273B J1229+0203 13 15 16 46.370 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 3C345 J1642+3948 29 29 29 33.877 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 3C454.3 J2253+1608 29 29 29 32.449 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: 4C39.25 J0927+3902 21 22 37 73.664 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: NRAO150 J0359+5057 29 29 35 41.851 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: OJ287 J0854+2006 25 28 29 58.528 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: OQ208 J1407+2827 21 21 33 65.374 19821025_a pol082 1982.10.26-06:16:37.920 SRC_STAT: VR422201 J2202+4216 13 14 32 90.286 19821025_a pol082 1982.10.26-06:16:37.920 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.10.26-06:16:05 1. HRAS_085 7216 NOAM X Comp -1324211130.99 mm -113.994 mm 9.995 mm 10.145 mm 2. HRAS_085 7216 NOAM Y Comp -5332023101.37 mm -19.368 mm 37.479 mm 38.040 mm 3. HRAS_085 7216 NOAM Z Comp 3232118429.24 mm 122.244 mm 24.947 mm 25.321 mm HRAS_085 7216 U Comp 102.11 mm 102.109 mm 45.288 mm 39.698 mm HRAS_085 7216 E Comp -105.96 mm -105.964 mm 6.697 mm 5.870 mm HRAS_085 7216 N Comp 81.60 mm 81.600 mm 5.574 mm 4.886 mm 4. HRAS_085 CL 0 1982.10.25-18:09:41.256 12027.832 ns 0.421 ns 0.427 ns 5. HRAS_085 CL 1 1982.10.25-18:09:41.256 51.685 D-14 2.123 D-14 2.155 D-14 6. HRAS_085 CL 2 1982.10.25-18:09:41.256 -2.626 D-14/day 1.821 D-14/day 1.849 D-14/day 32. HRAS_085 AT 0 1982.10.25-18:09:41.256 -88.803 ps 132.715 ps 134.705 ps HRAS_085 Atm 1982.10.26-06:40:13.440 Avg: -102.532 ps Rms: 12.059 ps Tot_Rms: 103.239 ps || Nat: 222 Dura: 87170.0 sec Tzd_avg: 6713.1 Tzd_rms: 12.7 Wzd_avg: 315.9 Wzd_rms: 8.5 ps Prs_avg: 84334. Pa Tem_avg: 14.2 C Stm_avg: -4.0 C Stm_rms: 2.4 K Spr_avg: 73. Spr_rms: 76. Pa 108. HRAS_085 NG 1982.10.25-18:08:41.256 -0.013 mm 0.422 mm 0.428 mm 109. HRAS_085 EG 1982.10.25-18:08:41.256 0.022 mm 0.422 mm 0.428 mm 110. HRAS_085 NG 1982.10.26-02:08:41.256 0.001 mm 0.377 mm 0.382 mm 111. HRAS_085 EG 1982.10.26-02:08:41.256 0.007 mm 0.377 mm 0.382 mm 112. HRAS_085 NG 1982.10.26-10:08:41.256 0.006 mm 0.377 mm 0.382 mm 113. HRAS_085 EG 1982.10.26-10:08:41.256 0.022 mm 0.377 mm 0.382 mm 114. HRAS_085 NG 1982.10.26-18:08:41.256 -0.012 mm 0.422 mm 0.428 mm 115. HRAS_085 EG 1982.10.26-18:08:41.256 -0.020 mm 0.422 mm 0.428 mm 116. OVRO_130 7207 NOAM X Comp -2409600802.84 mm 84.158 mm 9.794 mm 9.941 mm 117. OVRO_130 7207 NOAM Y Comp -4478349396.76 mm 67.239 mm 23.966 mm 24.325 mm 118. OVRO_130 7207 NOAM Z Comp 3838603176.05 mm -11.950 mm 19.991 mm 20.291 mm OVRO_130 7207 U Comp -86.12 mm -86.124 mm 30.958 mm 27.137 mm OVRO_130 7207 E Comp 42.25 mm 42.252 mm 8.779 mm 7.696 mm OVRO_130 7207 N Comp 50.44 mm 50.437 mm 5.872 mm 5.147 mm 119. OVRO_130 CL 0 1982.10.25-18:09:41.256 4470.936 ns 0.299 ns 0.304 ns 120. OVRO_130 CL 1 1982.10.25-18:09:41.256 -11.656 D-14 2.126 D-14 2.158 D-14 121. OVRO_130 CL 2 1982.10.25-18:09:41.256 -4.405 D-14/day 1.832 D-14/day 1.860 D-14/day 147. OVRO_130 AT 0 1982.10.25-18:09:41.256 118.935 ps 70.110 ps 71.161 ps OVRO_130 Atm 1982.10.26-06:40:13.440 Avg: 126.736 ps Rms: 41.819 ps Tot_Rms: 133.457 ps || Nat: 102 Dura: 85930.0 sec Tzd_avg: 6969.7 Tzd_rms: 49.1 Wzd_avg: 323.4 Wzd_rms: 54.9 ps Prs_avg: 87565. Pa Tem_avg: 14.5 C Stm_avg: 1.5 C Stm_rms: 2.2 K Spr_avg: -69. Spr_rms: 162. Pa 223. OVRO_130 NG 1982.10.25-18:08:41.256 0.001 mm 0.422 mm 0.429 mm 224. OVRO_130 EG 1982.10.25-18:08:41.256 0.002 mm 0.422 mm 0.429 mm 225. OVRO_130 NG 1982.10.26-02:08:41.256 0.011 mm 0.377 mm 0.383 mm 226. OVRO_130 EG 1982.10.26-02:08:41.256 -0.009 mm 0.377 mm 0.382 mm 227. OVRO_130 NG 1982.10.26-10:08:41.256 0.000 mm 0.377 mm 0.383 mm 228. OVRO_130 EG 1982.10.26-10:08:41.256 -0.014 mm 0.377 mm 0.382 mm 229. OVRO_130 NG 1982.10.26-18:08:41.256 0.009 mm 0.422 mm 0.429 mm 230. OVRO_130 EG 1982.10.26-18:08:41.256 0.035 mm 0.422 mm 0.428 mm 231. WESTFORD 7209 NOAM X Comp 1492206572.84 mm 29.835 mm 9.398 mm 9.539 mm 232. WESTFORD 7209 NOAM Y Comp -4458130569.87 mm -47.870 mm 32.933 mm 33.427 mm 233. WESTFORD 7209 NOAM Z Comp 4296015436.71 mm -110.293 mm 26.374 mm 26.770 mm WESTFORD 7209 U Comp -34.30 mm -34.296 mm 40.055 mm 35.111 mm WESTFORD 7209 E Comp 13.10 mm 13.098 mm 15.265 mm 13.381 mm WESTFORD 7209 N Comp -118.32 mm -118.315 mm 5.579 mm 4.890 mm 234. WESTFORD AT 0 1982.10.25-18:09:41.256 35.718 ps 69.343 ps 70.382 ps WESTFORD Atm 1982.10.26-06:40:13.440 Avg: 52.588 ps Rms: 65.277 ps Tot_Rms: 83.825 ps || Nat: 228 Dura: 87170.0 sec Tzd_avg: 7990.4 Tzd_rms: 61.8 Wzd_avg: 349.9 Wzd_rms: 73.2 ps Prs_avg: 101465. Pa Tem_avg: 6.6 C Stm_avg: 1.2 C Stm_rms: 1.0 K Spr_avg: 689. Spr_rms: 48. Pa 310. WESTFORD NG 1982.10.25-18:08:41.256 0.019 mm 0.422 mm 0.429 mm 311. WESTFORD EG 1982.10.25-18:08:41.256 -0.029 mm 0.422 mm 0.428 mm 312. WESTFORD NG 1982.10.26-02:08:41.256 -0.019 mm 0.377 mm 0.383 mm 313. WESTFORD EG 1982.10.26-02:08:41.256 0.000 mm 0.377 mm 0.383 mm 314. WESTFORD NG 1982.10.26-10:08:41.256 -0.014 mm 0.377 mm 0.383 mm 315. WESTFORD EG 1982.10.26-10:08:41.256 0.009 mm 0.377 mm 0.383 mm 316. WESTFORD NG 1982.10.26-18:08:41.256 -0.003 mm 0.422 mm 0.429 mm 317. WESTFORD EG 1982.10.26-18:08:41.256 0.018 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.62 ps/h NRMS 0.21 share 0.92 count 76 2. OVRO_130 Input 50.00 ps/h RMS 19.66 ps/h NRMS 0.39 share 0.90 count 76 3. WESTFORD Input 50.00 ps/h RMS 18.57 ps/h NRMS 0.37 share 0.91 count 76 Overall RMS 16.77 ps/h NRMS 0.34 share 0.91 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. OVRO_130 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.60 D-14 NRMS 0.52 share 0.28 count 26 2. OVRO_130 Input 5.00 D-14 RMS 2.79 D-14 NRMS 0.56 share 0.29 count 26 Overall RMS 2.70 D-14 NRMS 0.54 share 0.28 count 52 318. UT1-TAI 1, 1982.10.26-06:16:00.000 -2.1442 ms/d -77.60 micros/d 186.02 micros/d 188.81 micros/d EOP epoch (TDT) MJD: 45268.261484 NUT epoch (TDT) MJD: 45268.265671 319. Nutation DPSI wrt apriori model 1982.10.26-06:16:05.736 0.140 mas 2211.7 microasec 2244.9 microasec Nutation Dx wrt apriori model 1982.10.26-06:16:05.736 0.052 mas 876.7 microasec 889.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.10.26-06:16:05.736 -1.588 mas 2211.7 microasec 2244.9 microasec 320. Nutation DEPS wrt apriori model 1982.10.26-06:16:05.736 1.023 mas 819.1 microasec 831.4 microasec Nutation Dy wrt apriori model 1982.10.26-06:16:05.736 1.023 mas 822.5 microasec 834.8 microasec Nutation DEPS wrt Wahr 1980 model 1982.10.26-06:16:05.736 1.821 mas 819.1 microasec 831.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1045 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.10.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to OVRO_130 7207 1508195372.56 11.22 1508195372.56 11.22 51.70 7.92 200.82 65.85 HRAS_085 7216 to WESTFORD 7209 3134928018.56 18.36 3134928018.56 18.36 245.08 8.28 117.11 80.72 OVRO_130 7207 to WESTFORD 7209 3928579332.79 15.75 3928579332.79 15.75 144.88 8.70 -22.93 58.54 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:21 Correlator type: Unknown Experiment code: pol083 Mark-3 db_name: $82NOV01XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821101_a Ver 2 pol083 Matrix Condition Number = 2.954861463107676E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 9.2 5.2 837.1 0.7 18.6 1.3 WESTFORD MET 15.9 2.3 1008.8 1.0 35.7 8.0 Run 26091-1738 228 Observation Pairs Available Session started on: 2445275.239700 1982.11.01 17:45:10.080 UTC Nominal duration: 89812.800 sec 01 00:56:52.800 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 156 63.388 ps 0.85 0.9876 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 161 Number of potentially good observations with QC 5-9: 161 Number of used observations: 156 ( 96.89%) Number of suppressed observations: 5 ( 3.11%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 156 161 63.388 0.85 19821101_a pol083 1982.11.02-06:13:36.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 14 14 86.258 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 0212+735 J0217+7349 7 7 14 97.528 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 0234+285 J0237+2848 14 14 15 71.554 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 0552+398 J0555+3948 16 16 19 88.686 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 1637+574 J1638+5720 3 4 19 144.743 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 2134+00 J2136+0041 5 5 15 169.042 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 3C273B J1229+0203 14 16 18 24.631 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 3C345 J1642+3948 18 18 20 31.401 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 3C454.3 J2253+1608 14 14 15 42.789 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: 4C39.25 J0927+3902 4 4 15 74.099 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: NRAO150 J0359+5057 16 16 16 66.459 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: OJ287 J0854+2006 12 12 14 77.497 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: OQ208 J1407+2827 19 19 22 128.962 19821101_a pol083 1982.11.02-06:13:36.480 SRC_STAT: VR422201 J2202+4216 2 2 12 140.407 19821101_a pol083 1982.11.02-06:13:36.480 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.11.02-06:13:04 1. HRAS_085 7216 NOAM X Comp -1324211078.69 mm -61.688 mm 7.642 mm 7.595 mm 2. HRAS_085 7216 NOAM Y Comp -5332023236.77 mm -154.775 mm 28.841 mm 28.662 mm 3. HRAS_085 7216 NOAM Z Comp 3232118486.18 mm 179.179 mm 20.693 mm 20.565 mm HRAS_085 7216 U Comp 233.35 mm 233.346 mm 35.280 mm 30.139 mm HRAS_085 7216 E Comp -22.56 mm -22.564 mm 6.401 mm 5.468 mm HRAS_085 7216 N Comp 70.04 mm 70.045 mm 5.723 mm 4.889 mm 4. HRAS_085 CL 0 1982.11.01-17:44:37.896 12103.573 ns 0.381 ns 0.378 ns 5. HRAS_085 CL 1 1982.11.01-17:44:37.896 38.923 D-14 2.116 D-14 2.103 D-14 6. HRAS_085 CL 2 1982.11.01-17:44:37.896 -0.227 D-14/day 1.734 D-14/day 1.723 D-14/day 32. HRAS_085 AT 0 1982.11.01-17:44:37.896 -336.145 ps 122.113 ps 121.356 ps HRAS_085 Atm 1982.11.02-06:15:10.080 Avg: -315.106 ps Rms: 25.673 ps Tot_Rms: 316.150 ps || Nat: 228 Dura: 89820.0 sec Tzd_avg: 6606.7 Tzd_rms: 30.3 Wzd_avg: 255.5 Wzd_rms: 25.6 ps Prs_avg: 83709. Pa Tem_avg: 9.3 C Stm_avg: -7.3 C Stm_rms: 4.0 K Spr_avg: 77. Spr_rms: 64. Pa 108. HRAS_085 NG 1982.11.01-17:43:37.896 -0.001 mm 0.422 mm 0.420 mm 109. HRAS_085 EG 1982.11.01-17:43:37.896 0.019 mm 0.422 mm 0.420 mm 110. HRAS_085 NG 1982.11.02-01:43:37.896 -0.015 mm 0.377 mm 0.375 mm 111. HRAS_085 EG 1982.11.02-01:43:37.896 0.002 mm 0.377 mm 0.375 mm 112. HRAS_085 NG 1982.11.02-09:43:37.896 -0.009 mm 0.377 mm 0.375 mm 113. HRAS_085 EG 1982.11.02-09:43:37.896 0.006 mm 0.377 mm 0.375 mm 114. HRAS_085 NG 1982.11.02-17:43:37.896 0.002 mm 0.422 mm 0.420 mm 115. HRAS_085 EG 1982.11.02-17:43:37.896 0.004 mm 0.422 mm 0.420 mm 116. WESTFORD 7209 NOAM X Comp 1492206604.69 mm 61.688 mm 7.642 mm 7.595 mm 117. WESTFORD 7209 NOAM Y Comp -4458130367.23 mm 154.775 mm 28.841 mm 28.662 mm 118. WESTFORD 7209 NOAM Z Comp 4296015367.82 mm -179.179 mm 20.693 mm 20.565 mm WESTFORD 7209 U Comp -214.92 mm -214.917 mm 32.813 mm 28.031 mm WESTFORD 7209 E Comp 107.62 mm 107.625 mm 14.716 mm 12.572 mm WESTFORD 7209 N Comp -45.75 mm -45.752 mm 5.019 mm 4.288 mm 119. WESTFORD AT 0 1982.11.01-17:44:37.896 -33.024 ps 63.299 ps 62.906 ps WESTFORD Atm 1982.11.02-06:15:10.080 Avg: 39.802 ps Rms: 36.230 ps Tot_Rms: 53.822 ps || Nat: 228 Dura: 89820.0 sec Tzd_avg: 8218.2 Tzd_rms: 54.2 Wzd_avg: 637.6 Wzd_rms: 55.4 ps Prs_avg: 100875. Pa Tem_avg: 15.9 C Stm_avg: -0.5 C Stm_rms: 4.0 K Spr_avg: 753. Spr_rms: 60. Pa 195. WESTFORD NG 1982.11.01-17:43:37.896 -0.003 mm 0.422 mm 0.420 mm 196. WESTFORD EG 1982.11.01-17:43:37.896 -0.006 mm 0.422 mm 0.419 mm 197. WESTFORD NG 1982.11.02-01:43:37.896 0.009 mm 0.377 mm 0.375 mm 198. WESTFORD EG 1982.11.02-01:43:37.896 0.007 mm 0.377 mm 0.375 mm 199. WESTFORD NG 1982.11.02-09:43:37.896 0.008 mm 0.377 mm 0.375 mm 200. WESTFORD EG 1982.11.02-09:43:37.896 0.003 mm 0.377 mm 0.375 mm 201. WESTFORD NG 1982.11.02-17:43:37.896 0.000 mm 0.422 mm 0.420 mm 202. WESTFORD EG 1982.11.02-17:43:37.896 -0.008 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.01 ps/h NRMS 0.22 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.17 ps/h NRMS 0.24 share 0.89 count 76 Overall RMS 11.61 ps/h NRMS 0.23 share 0.91 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.21 D-14 NRMS 0.44 share 0.26 count 26 Overall RMS 2.21 D-14 NRMS 0.44 share 0.26 count 26 203. UT1-TAI 1, 1982.11.02-06:13:00.000 -1.8081 ms/d 719.75 micros/d 384.75 micros/d 382.36 micros/d EOP epoch (TDT) MJD: 45275.259400 NUT epoch (TDT) MJD: 45275.312526 204. Nutation DPSI wrt apriori model 1982.11.02-06:13:04.296 -0.649 mas 2500.6 microasec 2485.1 microasec Nutation Dx wrt apriori model 1982.11.02-06:13:04.296 -0.249 mas 989.0 microasec 982.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.11.02-06:13:04.296 -2.155 mas 2500.6 microasec 2485.1 microasec 205. Nutation DEPS wrt apriori model 1982.11.02-06:13:04.296 -2.360 mas 1495.5 microasec 1486.2 microasec Nutation Dy wrt apriori model 1982.11.02-06:13:04.296 -2.361 mas 1499.3 microasec 1490.0 microasec Nutation DEPS wrt Wahr 1980 model 1982.11.02-06:13:04.296 -0.877 mas 1495.5 microasec 1486.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0856 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.11.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928051.72 16.70 3134928051.72 16.70 142.63 8.57 461.97 70.15 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:24 Correlator type: Unknown Experiment code: pol084 Mark-3 db_name: $82NOV08XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821108_a Ver 2 pol084 Matrix Condition Number = 4.857789446912177E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 9.7 4.2 839.6 1.2 25.8 0.6 WESTFORD MET 10.9 3.1 1012.5 3.5 21.4 1.0 Run 26091-1738 221 Observation Pairs Available Session started on: 2445282.251500 1982.11.08 18:02:09.600 UTC Nominal duration: 85924.800 sec 00 23:52:04.800 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 149 72.357 ps 0.88 1.0100 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 149 Number of potentially good observations with QC 5-9: 149 Number of used observations: 149 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 149 149 72.357 0.88 19821108_a pol084 1982.11.09-05:58:12.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 15 138.138 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 0212+735 J0217+7349 7 7 13 168.755 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 0234+285 J0237+2848 12 12 14 81.161 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 0552+398 J0555+3948 17 17 19 127.882 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 1637+574 J1638+5720 4 4 20 137.637 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 2134+00 J2136+0041 5 5 16 109.771 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 3C273B J1229+0203 13 13 13 34.424 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 3C345 J1642+3948 19 19 21 25.309 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 3C454.3 J2253+1608 12 12 13 32.912 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: 4C39.25 J0927+3902 6 6 15 146.482 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: NRAO150 J0359+5057 15 15 16 92.183 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: OJ287 J0854+2006 14 14 15 70.401 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: OQ208 J1407+2827 14 14 21 73.546 19821108_a pol084 1982.11.09-05:58:12.000 SRC_STAT: VR422201 J2202+4216 1 1 10 253.191 19821108_a pol084 1982.11.09-05:58:12.000 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.11.09-05:57:39 1. HRAS_085 7216 NOAM X Comp -1324211056.32 mm -39.323 mm 8.642 mm 8.686 mm 2. HRAS_085 7216 NOAM Y Comp -5332023209.28 mm -127.283 mm 36.892 mm 37.076 mm 3. HRAS_085 7216 NOAM Z Comp 3232118456.90 mm 149.900 mm 26.776 mm 26.910 mm HRAS_085 7216 U Comp 190.83 mm 190.830 mm 44.854 mm 39.253 mm HRAS_085 7216 E Comp -7.48 mm -7.484 mm 9.652 mm 8.447 mm HRAS_085 7216 N Comp 61.20 mm 61.196 mm 6.902 mm 6.041 mm 4. HRAS_085 CL 0 1982.11.08-18:01:37.416 12386.473 ns 0.466 ns 0.468 ns 5. HRAS_085 CL 1 1982.11.08-18:01:37.416 25.790 D-14 2.182 D-14 2.193 D-14 6. HRAS_085 CL 2 1982.11.08-18:01:37.416 2.992 D-14/day 1.859 D-14/day 1.868 D-14/day 31. HRAS_085 AT 0 1982.11.08-18:01:37.416 -101.208 ps 127.683 ps 128.320 ps HRAS_085 Atm 1982.11.09-06:02:09.600 Avg: -61.779 ps Rms: 23.964 ps Tot_Rms: 66.264 ps || Nat: 221 Dura: 85930.0 sec Tzd_avg: 6675.7 Tzd_rms: 32.3 Wzd_avg: 314.7 Wzd_rms: 27.9 ps Prs_avg: 83958. Pa Tem_avg: 9.7 C Stm_avg: -6.2 C Stm_rms: 2.7 K Spr_avg: 173. Spr_rms: 68. Pa 104. HRAS_085 NG 1982.11.08-18:00:37.416 -0.003 mm 0.422 mm 0.424 mm 105. HRAS_085 EG 1982.11.08-18:00:37.416 0.005 mm 0.422 mm 0.424 mm 106. HRAS_085 NG 1982.11.09-02:00:37.416 -0.003 mm 0.377 mm 0.379 mm 107. HRAS_085 EG 1982.11.09-02:00:37.416 0.000 mm 0.377 mm 0.379 mm 108. HRAS_085 NG 1982.11.09-10:00:37.416 -0.007 mm 0.377 mm 0.379 mm 109. HRAS_085 EG 1982.11.09-10:00:37.416 0.016 mm 0.377 mm 0.379 mm 110. HRAS_085 NG 1982.11.09-18:00:37.416 -0.007 mm 0.422 mm 0.424 mm 111. HRAS_085 EG 1982.11.09-18:00:37.416 0.007 mm 0.422 mm 0.424 mm 112. WESTFORD 7209 NOAM X Comp 1492206582.32 mm 39.323 mm 8.642 mm 8.686 mm 113. WESTFORD 7209 NOAM Y Comp -4458130394.72 mm 127.283 mm 36.892 mm 37.076 mm 114. WESTFORD 7209 NOAM Z Comp 4296015397.10 mm -149.900 mm 26.776 mm 26.910 mm WESTFORD 7209 U Comp -181.13 mm -181.132 mm 42.933 mm 37.572 mm WESTFORD 7209 E Comp 77.69 mm 77.690 mm 16.634 mm 14.557 mm WESTFORD 7209 N Comp -37.05 mm -37.048 mm 5.723 mm 5.008 mm 115. WESTFORD AT 0 1982.11.08-18:01:37.416 119.426 ps 105.618 ps 106.145 ps WESTFORD Atm 1982.11.09-06:02:09.600 Avg: 105.863 ps Rms: 16.140 ps Tot_Rms: 107.086 ps || Nat: 221 Dura: 85930.0 sec Tzd_avg: 7891.5 Tzd_rms: 18.0 Wzd_avg: 267.7 Wzd_rms: 42.6 ps Prs_avg: 101247. Pa Tem_avg: 10.9 C Stm_avg: 0.5 C Stm_rms: 0.7 K Spr_avg: 723. Spr_rms: 38. Pa 188. WESTFORD NG 1982.11.08-18:00:37.416 0.003 mm 0.422 mm 0.424 mm 189. WESTFORD EG 1982.11.08-18:00:37.416 -0.006 mm 0.422 mm 0.424 mm 190. WESTFORD NG 1982.11.09-02:00:37.416 -0.002 mm 0.377 mm 0.379 mm 191. WESTFORD EG 1982.11.09-02:00:37.416 0.002 mm 0.377 mm 0.379 mm 192. WESTFORD NG 1982.11.09-10:00:37.416 0.013 mm 0.377 mm 0.379 mm 193. WESTFORD EG 1982.11.09-10:00:37.416 -0.004 mm 0.377 mm 0.379 mm 194. WESTFORD NG 1982.11.09-18:00:37.416 0.009 mm 0.422 mm 0.424 mm 195. WESTFORD EG 1982.11.09-18:00:37.416 0.009 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.03 ps/h NRMS 0.18 share 0.94 count 73 2. WESTFORD Input 50.00 ps/h RMS 9.71 ps/h NRMS 0.19 share 0.92 count 73 Overall RMS 9.38 ps/h NRMS 0.19 share 0.93 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.26 D-14 NRMS 0.45 share 0.29 count 25 Overall RMS 2.26 D-14 NRMS 0.45 share 0.29 count 25 196. UT1-TAI 1, 1982.11.09-05:58:00.000 -3.0520 ms/d -493.07 micros/d 419.12 micros/d 421.21 micros/d EOP epoch (TDT) MJD: 45282.248984 NUT epoch (TDT) MJD: 45282.320251 197. Nutation DPSI wrt apriori model 1982.11.09-05:57:39.816 -1.903 mas 2805.2 microasec 2819.2 microasec Nutation Dx wrt apriori model 1982.11.09-05:57:39.816 -0.764 mas 1109.7 microasec 1115.2 microasec Nutation DPSI wrt Wahr 1980 model 1982.11.09-05:57:39.816 -2.447 mas 2805.2 microasec 2819.2 microasec 198. Nutation DEPS wrt apriori model 1982.11.09-05:57:39.816 1.762 mas 1625.8 microasec 1633.9 microasec Nutation Dy wrt apriori model 1982.11.09-05:57:39.816 1.759 mas 1630.0 microasec 1638.2 microasec Nutation DEPS wrt Wahr 1980 model 1982.11.09-05:57:39.816 3.625 mas 1625.8 microasec 1633.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1124 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.11.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928016.08 18.59 3134928016.08 18.59 110.93 9.11 383.37 90.45 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:27 Correlator type: Unknown Experiment code: pol085 Mark-3 db_name: $82NOV15X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821115_a Ver 2 pol085 Matrix Condition Number = 5.957164267762539E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.1 2.4 839.6 1.6 25.6 1.0 ONSALA60 MET 4.6 0.2 1003.6 1.6 79.6 0.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 1.0 2.1 1014.6 4.3 76.4 39.1 Run 26091-1738 310 Observation Pairs Available Session started on: 2445289.239700 1982.11.15 17:45:10.080 UTC Nominal duration: 78416.640 sec 00 21:46:56.640 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 94 45.423 ps 0.69 0.9060 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 97 Number of potentially good observations with QC 5-9: 97 Number of used observations: 94 ( 96.91%) Number of suppressed observations: 3 ( 3.09%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 10 10 111.942 0.90 19821115_a pol085 1982.11.16-04:38:38.4 BAS_STAT HRAS_085 WESTFORD 60 62 41.667 0.70 19821115_a pol085 1982.11.16-04:38:38.4 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 24 25 42.193 0.58 19821115_a pol085 1982.11.16-04:38:38.4 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19821115_a pol085 ONSALA85 WESTFORD 0/ 0 deselected baseline 19821115_a pol085 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 5 25 81.996 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 0212+735 J0217+7349 14 15 34 66.818 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 0234+285 J0237+2848 12 12 29 58.804 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 0552+398 J0555+3948 11 11 25 57.225 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 1637+574 J1638+5720 3 3 28 52.753 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 2134+00 J2136+0041 1 1 22 0.745 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 3C273B J1229+0203 5 5 5 22.105 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 3C345 J1642+3948 8 8 15 34.755 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 3C454.3 J2253+1608 12 12 22 22.094 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: 4C39.25 J0927+3902 1 1 22 134.025 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: NRAO150 J0359+5057 9 10 26 45.656 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: OJ287 J0854+2006 9 9 16 65.041 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: OQ208 J1407+2827 2 3 5 36.392 19821115_a pol085 1982.11.16-04:38:38.400 SRC_STAT: VR422201 J2202+4216 2 2 36 156.287 19821115_a pol085 1982.11.16-04:38:38.400 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.11.16-04:38:06 1. HRAS_085 7216 NOAM X Comp -1324211140.54 mm -123.544 mm 39.686 mm 37.775 mm 2. HRAS_085 7216 NOAM Y Comp -5332023220.82 mm -138.820 mm 78.949 mm 75.148 mm 3. HRAS_085 7216 NOAM Z Comp 3232118461.22 mm 154.222 mm 61.625 mm 58.658 mm HRAS_085 7216 U Comp 220.13 mm 220.133 mm 95.188 mm 65.885 mm HRAS_085 7216 E Comp -86.44 mm -86.442 mm 35.386 mm 24.492 mm HRAS_085 7216 N Comp 48.86 mm 48.865 mm 35.953 mm 24.885 mm 4. HRAS_085 CL 0 1982.11.15-17:44:37.896 12654.948 ns 0.747 ns 0.711 ns 5. HRAS_085 CL 1 1982.11.15-17:44:37.896 17.925 D-14 2.288 D-14 2.177 D-14 6. HRAS_085 CL 2 1982.11.15-17:44:37.896 5.799 D-14/day 2.106 D-14/day 2.005 D-14/day 29. HRAS_085 AT 0 1982.11.15-17:44:37.896 -531.890 ps 269.517 ps 256.539 ps HRAS_085 Atm 1982.11.16-04:45:10.080 Avg: -546.749 ps Rms: 16.005 ps Tot_Rms: 546.984 ps || Nat: 101 Dura: 78420.0 sec Tzd_avg: 6614.8 Tzd_rms: 21.4 Wzd_avg: 245.8 Wzd_rms: 13.6 ps Prs_avg: 83934. Pa Tem_avg: 7.2 C Stm_avg: -3.4 C Stm_rms: 2.6 K Spr_avg: 74. Spr_rms: 72. Pa 96. HRAS_085 NG 1982.11.15-17:43:37.896 -0.007 mm 0.422 mm 0.402 mm 97. HRAS_085 EG 1982.11.15-17:43:37.896 -0.008 mm 0.422 mm 0.402 mm 98. HRAS_085 NG 1982.11.16-01:43:37.896 0.003 mm 0.377 mm 0.359 mm 99. HRAS_085 EG 1982.11.16-01:43:37.896 0.005 mm 0.377 mm 0.359 mm 100. HRAS_085 NG 1982.11.16-09:43:37.896 -0.001 mm 0.377 mm 0.359 mm 101. HRAS_085 EG 1982.11.16-09:43:37.896 0.020 mm 0.377 mm 0.359 mm 102. HRAS_085 NG 1982.11.16-17:43:37.896 0.003 mm 0.422 mm 0.402 mm 103. HRAS_085 EG 1982.11.16-17:43:37.896 0.003 mm 0.422 mm 0.402 mm 104. ONSALA60 7213 EURA X Comp 3370606111.10 mm 122.101 mm 67.173 mm 63.938 mm 105. ONSALA60 7213 EURA Y Comp 711917411.79 mm -117.206 mm 49.751 mm 47.356 mm 106. ONSALA60 7213 EURA Z Comp 5349830796.55 mm 30.552 mm 91.530 mm 87.123 mm ONSALA60 7213 U Comp 77.06 mm 77.058 mm 106.090 mm 73.431 mm ONSALA60 7213 E Comp -139.91 mm -139.908 mm 55.802 mm 38.623 mm ONSALA60 7213 N Comp -63.77 mm -63.773 mm 31.560 mm 21.845 mm 107. ONSALA60 CL 0 1982.11.15-17:44:37.896 24141.122 ns 0.614 ns 0.585 ns 108. ONSALA60 CL 1 1982.11.15-17:44:37.896 287.319 D-14 3.820 D-14 3.636 D-14 109. ONSALA60 CL 2 1982.11.15-17:44:37.896 -0.179 D-14/day 7.040 D-14/day 6.701 D-14/day 132. ONSALA60 AT 0 1982.11.15-17:44:37.896 -89.856 ps 89.043 ps 84.755 ps ONSALA60 Atm 1982.11.16-04:45:10.080 Avg: -70.688 ps Rms: 9.239 ps Tot_Rms: 71.289 ps || Nat: 72 Dura: 49380.0 sec Tzd_avg: 7799.7 Tzd_rms: 29.2 Wzd_avg: 208.5 Wzd_rms: 41.6 ps Prs_avg: 100364. Pa Tem_avg: 4.6 C Stm_avg: -1.9 C Stm_rms: 0.4 K Spr_avg: 157. Spr_rms: 26. Pa 199. ONSALA60 NG 1982.11.15-17:43:37.896 0.004 mm 0.422 mm 0.402 mm 200. ONSALA60 EG 1982.11.15-17:43:37.896 -0.004 mm 0.422 mm 0.402 mm 201. ONSALA60 NG 1982.11.16-01:43:37.896 -0.003 mm 0.377 mm 0.359 mm 202. ONSALA60 EG 1982.11.16-01:43:37.896 -0.000 mm 0.377 mm 0.359 mm 203. ONSALA60 NG 1982.11.16-09:43:37.896 -0.001 mm 0.377 mm 0.359 mm 204. ONSALA60 EG 1982.11.16-09:43:37.896 0.000 mm 0.377 mm 0.359 mm 205. ONSALA60 NG 1982.11.16-17:43:37.896 -0.000 mm 0.422 mm 0.402 mm 206. ONSALA60 EG 1982.11.16-17:43:37.896 0.000 mm 0.422 mm 0.402 mm 207. WESTFORD 7209 NOAM X Comp 1492206544.44 mm 1.442 mm 35.200 mm 33.505 mm 208. WESTFORD 7209 NOAM Y Comp -4458130265.97 mm 256.026 mm 47.263 mm 44.987 mm 209. WESTFORD 7209 NOAM Z Comp 4296015362.23 mm -184.775 mm 58.085 mm 55.288 mm WESTFORD 7209 U Comp -303.44 mm -303.441 mm 72.374 mm 50.094 mm WESTFORD 7209 E Comp 82.63 mm 82.632 mm 34.098 mm 23.601 mm WESTFORD 7209 N Comp 28.08 mm 28.083 mm 21.120 mm 14.618 mm 210. WESTFORD AT 0 1982.11.15-17:44:37.896 -24.832 ps 52.363 ps 49.842 ps WESTFORD Atm 1982.11.16-04:45:10.080 Avg: -2.898 ps Rms: 21.761 ps Tot_Rms: 21.953 ps || Nat: 141 Dura: 78420.0 sec Tzd_avg: 7788.2 Tzd_rms: 37.3 Wzd_avg: 140.6 Wzd_rms: 52.5 ps Prs_avg: 101525. Pa Tem_avg: 0.8 C Stm_avg: 0.3 C Stm_rms: 0.9 K Spr_avg: 741. Spr_rms: 39. Pa 277. WESTFORD NG 1982.11.15-17:43:37.896 0.003 mm 0.422 mm 0.402 mm 278. WESTFORD EG 1982.11.15-17:43:37.896 0.017 mm 0.422 mm 0.402 mm 279. WESTFORD NG 1982.11.16-01:43:37.896 -0.002 mm 0.377 mm 0.359 mm 280. WESTFORD EG 1982.11.16-01:43:37.896 -0.005 mm 0.377 mm 0.359 mm 281. WESTFORD NG 1982.11.16-09:43:37.896 0.005 mm 0.377 mm 0.359 mm 282. WESTFORD EG 1982.11.16-09:43:37.896 -0.008 mm 0.377 mm 0.359 mm 283. WESTFORD NG 1982.11.16-17:43:37.896 -0.001 mm 0.422 mm 0.402 mm 284. WESTFORD EG 1982.11.16-17:43:37.896 0.002 mm 0.422 mm 0.402 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 7.68 ps/h NRMS 0.15 share 0.96 count 67 2. ONSALA60 Input 50.00 ps/h RMS 2.79 ps/h NRMS 0.06 share 0.97 count 67 4. WESTFORD Input 50.00 ps/h RMS 13.82 ps/h NRMS 0.28 share 0.92 count 67 Overall RMS 9.27 ps/h NRMS 0.19 share 0.95 count 201 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.60 D-14 NRMS 0.72 share 0.35 count 23 2. ONSALA60 Input 5.00 D-14 RMS 1.34 D-14 NRMS 0.27 share 0.76 count 23 Overall RMS 2.72 D-14 NRMS 0.54 share 0.55 count 46 285. UT1-TAI 1, 1982.11.16-04:38:00.000 -2.7527 ms/d -424.88 micros/d 475.23 micros/d 452.35 micros/d EOP epoch (TDT) MJD: 45289.193428 NUT epoch (TDT) MJD: 45289.164221 286. Nutation DPSI wrt apriori model 1982.11.16-04:38:06.216 0.391 mas 3828.4 microasec 3644.1 microasec Nutation Dx wrt apriori model 1982.11.16-04:38:06.216 0.159 mas 1516.0 microasec 1443.0 microasec Nutation DPSI wrt Wahr 1980 model 1982.11.16-04:38:06.216 -0.017 mas 3828.4 microasec 3644.1 microasec 287. Nutation DEPS wrt apriori model 1982.11.16-04:38:06.216 -1.037 mas 1825.7 microasec 1737.8 microasec Nutation Dy wrt apriori model 1982.11.16-04:38:06.216 -1.036 mas 1831.5 microasec 1743.3 microasec Nutation DEPS wrt Wahr 1980 model 1982.11.16-04:38:06.216 0.960 mas 1825.7 microasec 1737.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2650 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.11.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732518.61112.41 7940732518.61112.41 234.94 46.87 65.89 179.61 HRAS_085 7216 to WESTFORD 7209 3134928083.51 38.25 3134928083.51 38.25 83.16 14.94 517.70 140.90 ONSALA60 7213 to WESTFORD 7209 5600741459.13 32.56 5600741459.13 32.56 68.94 37.28 354.99 174.26 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:30 Correlator type: Unknown Experiment code: pol086 Mark-3 db_name: $82NOV22XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821122_a Ver 2 pol086 Matrix Condition Number = 1.703987339301745E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 9.0 5.8 837.7 0.8 16.0 2.6 WESTFORD MET 12.5 0.9 1012.7 1.9 62.3 18.7 Run 26091-1738 229 Observation Pairs Available Session started on: 2445296.250200 1982.11.22 18:00:17.280 UTC Nominal duration: 87048.000 sec 01 00:10:48.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 179 54.881 ps 0.87 1.0037 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 179 Number of potentially good observations with QC 5-9: 179 Number of used observations: 179 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 179 179 54.881 0.87 19821122_a pol086 1982.11.23-06:05:41.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 13 91.736 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 0212+735 J0217+7349 11 11 15 150.473 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 0234+285 J0237+2848 14 14 14 75.185 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 0552+398 J0555+3948 18 18 18 62.116 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 1637+574 J1638+5720 7 7 20 151.500 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 2134+00 J2136+0041 7 7 16 90.838 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 3C273B J1229+0203 16 16 16 19.751 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 3C345 J1642+3948 21 21 22 25.398 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 3C454.3 J2253+1608 15 15 15 29.789 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: 4C39.25 J0927+3902 5 5 15 75.702 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: NRAO150 J0359+5057 15 15 15 67.578 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: OJ287 J0854+2006 15 15 15 50.198 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: OQ208 J1407+2827 21 21 23 144.270 19821122_a pol086 1982.11.23-06:05:41.280 SRC_STAT: VR422201 J2202+4216 1 1 12 86.154 19821122_a pol086 1982.11.23-06:05:41.280 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.11.23-06:05:09 1. HRAS_085 7216 NOAM X Comp -1324211088.93 mm -71.931 mm 5.578 mm 5.589 mm 2. HRAS_085 7216 NOAM Y Comp -5332023143.22 mm -61.225 mm 21.989 mm 22.030 mm 3. HRAS_085 7216 NOAM Z Comp 3232118447.15 mm 140.155 mm 16.020 mm 16.049 mm HRAS_085 7216 U Comp 137.46 mm 137.465 mm 26.873 mm 23.388 mm HRAS_085 7216 E Comp -55.05 mm -55.053 mm 5.220 mm 4.543 mm HRAS_085 7216 N Comp 81.48 mm 81.477 mm 4.672 mm 4.066 mm 4. HRAS_085 CL 0 1982.11.22-17:59:45.096 14059.953 ns 0.305 ns 0.306 ns 5. HRAS_085 CL 1 1982.11.22-17:59:45.096 30.621 D-14 2.137 D-14 2.141 D-14 6. HRAS_085 CL 2 1982.11.22-17:59:45.096 0.909 D-14/day 1.815 D-14/day 1.818 D-14/day 32. HRAS_085 AT 0 1982.11.22-17:59:45.096 -183.264 ps 92.452 ps 92.624 ps HRAS_085 Atm 1982.11.23-06:30:17.280 Avg: -159.953 ps Rms: 14.111 ps Tot_Rms: 160.574 ps || Nat: 229 Dura: 87050.0 sec Tzd_avg: 6555.9 Tzd_rms: 21.5 Wzd_avg: 198.7 Wzd_rms: 21.5 ps Prs_avg: 83765. Pa Tem_avg: 9.0 C Stm_avg: -7.4 C Stm_rms: 4.3 K Spr_avg: 81. Spr_rms: 80. Pa 108. HRAS_085 NG 1982.11.22-17:58:45.096 -0.006 mm 0.422 mm 0.423 mm 109. HRAS_085 EG 1982.11.22-17:58:45.096 0.006 mm 0.422 mm 0.423 mm 110. HRAS_085 NG 1982.11.23-01:58:45.096 -0.017 mm 0.377 mm 0.378 mm 111. HRAS_085 EG 1982.11.23-01:58:45.096 -0.023 mm 0.377 mm 0.378 mm 112. HRAS_085 NG 1982.11.23-09:58:45.096 -0.003 mm 0.377 mm 0.378 mm 113. HRAS_085 EG 1982.11.23-09:58:45.096 -0.007 mm 0.377 mm 0.378 mm 114. HRAS_085 NG 1982.11.23-17:58:45.096 0.013 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1982.11.23-17:58:45.096 0.021 mm 0.422 mm 0.423 mm 116. WESTFORD 7209 NOAM X Comp 1492206614.93 mm 71.931 mm 5.578 mm 5.589 mm 117. WESTFORD 7209 NOAM Y Comp -4458130460.78 mm 61.225 mm 21.989 mm 22.030 mm 118. WESTFORD 7209 NOAM Z Comp 4296015406.85 mm -140.155 mm 16.020 mm 16.049 mm WESTFORD 7209 U Comp -120.82 mm -120.816 mm 25.306 mm 22.024 mm WESTFORD 7209 E Comp 87.64 mm 87.644 mm 10.746 mm 9.352 mm WESTFORD 7209 N Comp -79.30 mm -79.296 mm 3.923 mm 3.414 mm 119. WESTFORD AT 0 1982.11.22-17:59:45.096 36.250 ps 76.985 ps 77.129 ps WESTFORD Atm 1982.11.23-06:30:17.280 Avg: 38.008 ps Rms: 43.118 ps Tot_Rms: 57.478 ps || Nat: 229 Dura: 87050.0 sec Tzd_avg: 8143.0 Tzd_rms: 50.6 Wzd_avg: 527.5 Wzd_rms: 37.9 ps Prs_avg: 101266. Pa Tem_avg: 12.5 C Stm_avg: 2.5 C Stm_rms: 1.2 K Spr_avg: 736. Spr_rms: 36. Pa 195. WESTFORD NG 1982.11.22-17:58:45.096 0.005 mm 0.422 mm 0.423 mm 196. WESTFORD EG 1982.11.22-17:58:45.096 -0.007 mm 0.422 mm 0.423 mm 197. WESTFORD NG 1982.11.23-01:58:45.096 0.003 mm 0.377 mm 0.378 mm 198. WESTFORD EG 1982.11.23-01:58:45.096 0.016 mm 0.377 mm 0.378 mm 199. WESTFORD NG 1982.11.23-09:58:45.096 0.003 mm 0.377 mm 0.378 mm 200. WESTFORD EG 1982.11.23-09:58:45.096 0.002 mm 0.377 mm 0.378 mm 201. WESTFORD NG 1982.11.23-17:58:45.096 -0.005 mm 0.422 mm 0.423 mm 202. WESTFORD EG 1982.11.23-17:58:45.096 -0.027 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.76 ps/h NRMS 0.20 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 13.46 ps/h NRMS 0.27 share 0.86 count 76 Overall RMS 11.76 ps/h NRMS 0.24 share 0.89 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.07 D-14 NRMS 0.41 share 0.26 count 26 Overall RMS 2.07 D-14 NRMS 0.41 share 0.26 count 26 203. UT1-TAI 1, 1982.11.23-06:05:00.000 -2.4171 ms/d -94.78 micros/d 310.83 micros/d 311.41 micros/d EOP epoch (TDT) MJD: 45296.253845 NUT epoch (TDT) MJD: 45296.316800 204. Nutation DPSI wrt apriori model 1982.11.23-06:05:09.096 1.938 mas 2013.8 microasec 2017.5 microasec Nutation Dx wrt apriori model 1982.11.23-06:05:09.096 0.769 mas 796.4 microasec 797.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.11.23-06:05:09.096 2.621 mas 2013.8 microasec 2017.5 microasec 205. Nutation DEPS wrt apriori model 1982.11.23-06:05:09.096 0.589 mas 1228.2 microasec 1230.5 microasec Nutation Dy wrt apriori model 1982.11.23-06:05:09.096 0.592 mas 1231.3 microasec 1233.6 microasec Nutation DEPS wrt Wahr 1980 model 1982.11.23-06:05:09.096 2.714 mas 1228.2 microasec 1230.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0875 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.11.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928044.45 12.31 3134928044.45 12.31 197.33 6.62 265.83 53.75 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:33 Correlator type: Unknown Experiment code: pol087 Mark-3 db_name: $82NOV29XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821129_a Ver 2 pol087 Matrix Condition Number = 2.371757427597967E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 5.7 3.8 835.4 0.4 27.0 1.5 WESTFORD MET 7.3 1.2 1003.0 5.7 83.3 31.7 Run 26091-1738 229 Observation Pairs Available Session started on: 2445303.250200 1982.11.29 18:00:17.280 UTC Nominal duration: 87177.600 sec 01 00:12:57.600 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 158 47.860 ps 0.86 1.0157 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 159 Number of potentially good observations with QC 5-9: 159 Number of used observations: 158 ( 99.37%) Number of suppressed observations: 1 ( 0.63%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 158 159 47.860 0.86 19821129_a pol087 1982.11.30-06:06:46.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 15 108.195 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 0212+735 J0217+7349 4 4 14 69.761 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 0234+285 J0237+2848 14 14 14 69.592 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 0552+398 J0555+3948 16 16 18 89.227 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 1637+574 J1638+5720 4 5 18 170.363 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 2134+00 J2136+0041 2 2 15 67.748 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 3C273B J1229+0203 15 15 16 17.866 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 3C345 J1642+3948 23 23 23 28.039 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 3C454.3 J2253+1608 15 15 15 26.306 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: 4C39.25 J0927+3902 4 4 16 96.820 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: NRAO150 J0359+5057 16 16 16 108.709 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: OJ287 J0854+2006 14 14 15 46.678 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: OQ208 J1407+2827 16 16 22 88.658 19821129_a pol087 1982.11.30-06:06:46.080 SRC_STAT: VR422201 J2202+4216 3 3 12 116.543 19821129_a pol087 1982.11.30-06:06:46.080 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.11.30-06:06:13 1. HRAS_085 7216 NOAM X Comp -1324211085.60 mm -68.596 mm 5.757 mm 5.802 mm 2. HRAS_085 7216 NOAM Y Comp -5332023167.50 mm -85.495 mm 25.446 mm 25.645 mm 3. HRAS_085 7216 NOAM Z Comp 3232118444.61 mm 137.611 mm 19.607 mm 19.760 mm HRAS_085 7216 U Comp 155.74 mm 155.744 mm 31.006 mm 26.700 mm HRAS_085 7216 E Comp -45.97 mm -45.967 mm 8.262 mm 7.115 mm HRAS_085 7216 N Comp 67.69 mm 67.694 mm 5.955 mm 5.128 mm 4. HRAS_085 CL 0 1982.11.29-17:59:45.096 14372.686 ns 0.341 ns 0.344 ns 5. HRAS_085 CL 1 1982.11.29-17:59:45.096 44.620 D-14 2.139 D-14 2.156 D-14 6. HRAS_085 CL 2 1982.11.29-17:59:45.096 3.197 D-14/day 1.782 D-14/day 1.795 D-14/day 32. HRAS_085 AT 0 1982.11.29-17:59:45.096 -166.232 ps 78.354 ps 78.966 ps HRAS_085 Atm 1982.11.30-06:30:17.280 Avg: -179.751 ps Rms: 38.224 ps Tot_Rms: 183.770 ps || Nat: 229 Dura: 87180.0 sec Tzd_avg: 6558.4 Tzd_rms: 22.4 Wzd_avg: 213.9 Wzd_rms: 24.8 ps Prs_avg: 83540. Pa Tem_avg: 5.7 C Stm_avg: -5.2 C Stm_rms: 3.1 K Spr_avg: 15. Spr_rms: 63. Pa 108. HRAS_085 NG 1982.11.29-17:58:45.096 -0.008 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1982.11.29-17:58:45.096 0.002 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1982.11.30-01:58:45.096 -0.023 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1982.11.30-01:58:45.096 -0.027 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1982.11.30-09:58:45.096 -0.010 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1982.11.30-09:58:45.096 0.018 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1982.11.30-17:58:45.096 0.019 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1982.11.30-17:58:45.096 0.015 mm 0.422 mm 0.425 mm 116. WESTFORD 7209 NOAM X Comp 1492206611.60 mm 68.596 mm 5.757 mm 5.802 mm 117. WESTFORD 7209 NOAM Y Comp -4458130436.50 mm 85.495 mm 25.446 mm 25.645 mm 118. WESTFORD 7209 NOAM Z Comp 4296015409.39 mm -137.611 mm 19.607 mm 19.760 mm WESTFORD 7209 U Comp -136.81 mm -136.811 mm 30.833 mm 26.551 mm WESTFORD 7209 E Comp 92.19 mm 92.185 mm 9.787 mm 8.428 mm WESTFORD 7209 N Comp -61.12 mm -61.125 mm 4.317 mm 3.718 mm 119. WESTFORD AT 0 1982.11.29-17:59:45.096 12.081 ps 94.205 ps 94.942 ps WESTFORD Atm 1982.11.30-06:30:17.280 Avg: 26.395 ps Rms: 15.571 ps Tot_Rms: 30.646 ps || Nat: 229 Dura: 87180.0 sec Tzd_avg: 7875.2 Tzd_rms: 34.3 Wzd_avg: 327.6 Wzd_rms: 43.7 ps Prs_avg: 100306. Pa Tem_avg: 7.3 C Stm_avg: 2.1 C Stm_rms: 1.7 K Spr_avg: 758. Spr_rms: 33. Pa 195. WESTFORD NG 1982.11.29-17:58:45.096 -0.001 mm 0.422 mm 0.426 mm 196. WESTFORD EG 1982.11.29-17:58:45.096 -0.009 mm 0.422 mm 0.426 mm 197. WESTFORD NG 1982.11.30-01:58:45.096 0.001 mm 0.377 mm 0.380 mm 198. WESTFORD EG 1982.11.30-01:58:45.096 0.022 mm 0.377 mm 0.380 mm 199. WESTFORD NG 1982.11.30-09:58:45.096 0.012 mm 0.377 mm 0.380 mm 200. WESTFORD EG 1982.11.30-09:58:45.096 0.005 mm 0.377 mm 0.380 mm 201. WESTFORD NG 1982.11.30-17:58:45.096 0.003 mm 0.422 mm 0.426 mm 202. WESTFORD EG 1982.11.30-17:58:45.096 0.001 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.76 ps/h NRMS 0.22 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.99 ps/h NRMS 0.26 share 0.89 count 76 Overall RMS 11.93 ps/h NRMS 0.24 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.40 D-14 NRMS 0.48 share 0.23 count 26 Overall RMS 2.40 D-14 NRMS 0.48 share 0.23 count 26 203. UT1-TAI 1, 1982.11.30-06:06:00.000 -2.7934 ms/d -130.03 micros/d 363.62 micros/d 366.46 micros/d EOP epoch (TDT) MJD: 45303.254539 NUT epoch (TDT) MJD: 45303.307902 204. Nutation DPSI wrt apriori model 1982.11.30-06:06:13.896 -3.985 mas 2379.2 microasec 2397.8 microasec Nutation Dx wrt apriori model 1982.11.30-06:06:13.896 -1.587 mas 941.1 microasec 948.4 microasec Nutation DPSI wrt Wahr 1980 model 1982.11.30-06:06:13.896 -3.407 mas 2379.2 microasec 2397.8 microasec 205. Nutation DEPS wrt apriori model 1982.11.30-06:06:13.896 0.552 mas 1420.4 microasec 1431.5 microasec Nutation Dy wrt apriori model 1982.11.30-06:06:13.896 0.546 mas 1424.1 microasec 1435.2 microasec Nutation DEPS wrt Wahr 1980 model 1982.11.30-06:06:13.896 3.500 mas 1420.4 microasec 1431.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1163 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.11.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928053.72 11.96 3134928053.72 11.96 164.41 7.54 301.28 63.72 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:37 Correlator type: Unknown Experiment code: pol088 Mark-3 db_name: $82DEC06XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821206_a Ver 2 pol088 Matrix Condition Number = 1.396876335549003E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 5.6 3.6 840.1 1.5 79.2 30.6 WESTFORD MET 14.3 4.4 1006.9 4.9 81.6 41.2 Run 26091-1738 226 Observation Pairs Available Session started on: 2445310.075100 1982.12.06 13:48:08.640 UTC Nominal duration: 85743.360 sec 00 23:49:03.360 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 171 65.991 ps 0.87 1.0035 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 175 Number of potentially good observations with QC 5-9: 175 Number of used observations: 171 ( 97.71%) Number of suppressed observations: 4 ( 2.29%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 171 175 65.991 0.87 19821206_a pol088 1982.12.07-01:42:40.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 15 15 79.839 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 0212+735 J0217+7349 10 10 14 146.762 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 0234+285 J0237+2848 15 15 15 63.677 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 0552+398 J0555+3948 17 17 18 111.383 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 1637+574 J1638+5720 5 5 20 148.476 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 2134+00 J2136+0041 9 9 16 68.845 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 3C273B J1229+0203 13 13 13 21.164 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 3C345 J1642+3948 19 21 21 33.994 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 3C454.3 J2253+1608 14 15 15 33.047 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: 4C39.25 J0927+3902 5 5 16 57.881 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: NRAO150 J0359+5057 15 15 15 93.542 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: OJ287 J0854+2006 15 15 15 29.297 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: OQ208 J1407+2827 17 17 22 137.997 19821206_a pol088 1982.12.07-01:42:40.320 SRC_STAT: VR422201 J2202+4216 3 3 11 147.033 19821206_a pol088 1982.12.07-01:42:40.320 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.12.07-01:42:08 1. HRAS_085 7216 NOAM X Comp -1324211078.86 mm -61.856 mm 5.239 mm 5.248 mm 2. HRAS_085 7216 NOAM Y Comp -5332023123.19 mm -41.194 mm 19.527 mm 19.561 mm 3. HRAS_085 7216 NOAM Z Comp 3232118436.92 mm 129.919 mm 14.967 mm 14.993 mm HRAS_085 7216 U Comp 113.43 mm 113.432 mm 24.050 mm 20.993 mm HRAS_085 7216 E Comp -50.10 mm -50.104 mm 5.521 mm 4.820 mm HRAS_085 7216 N Comp 83.81 mm 83.813 mm 4.884 mm 4.263 mm 4. HRAS_085 CL 0 1982.12.06-13:47:36.456 14521.372 ns 0.283 ns 0.284 ns 5. HRAS_085 CL 1 1982.12.06-13:47:36.456 70.371 D-14 2.149 D-14 2.153 D-14 6. HRAS_085 CL 2 1982.12.06-13:47:36.456 -4.145 D-14/day 1.850 D-14/day 1.853 D-14/day 31. HRAS_085 AT 0 1982.12.06-13:47:36.456 -92.177 ps 95.614 ps 95.779 ps HRAS_085 Atm 1982.12.07-01:48:08.640 Avg: -85.283 ps Rms: 8.463 ps Tot_Rms: 85.702 ps || Nat: 226 Dura: 85750.0 sec Tzd_avg: 6479.3 Tzd_rms: 12.8 Wzd_avg: 94.9 Wzd_rms: 3.5 ps Prs_avg: 84010. Pa Tem_avg: 5.6 C Stm_avg: -4.1 C Stm_rms: 2.7 K Spr_avg: 11. Spr_rms: 53. Pa 104. HRAS_085 NG 1982.12.06-13:46:36.456 -0.004 mm 0.422 mm 0.423 mm 105. HRAS_085 EG 1982.12.06-13:46:36.456 0.012 mm 0.422 mm 0.423 mm 106. HRAS_085 NG 1982.12.06-21:46:36.456 -0.008 mm 0.377 mm 0.378 mm 107. HRAS_085 EG 1982.12.06-21:46:36.456 -0.006 mm 0.377 mm 0.378 mm 108. HRAS_085 NG 1982.12.07-05:46:36.456 -0.007 mm 0.377 mm 0.378 mm 109. HRAS_085 EG 1982.12.07-05:46:36.456 -0.006 mm 0.377 mm 0.378 mm 110. HRAS_085 NG 1982.12.07-13:46:36.456 -0.004 mm 0.422 mm 0.423 mm 111. HRAS_085 EG 1982.12.07-13:46:36.456 0.003 mm 0.422 mm 0.423 mm 112. WESTFORD 7209 NOAM X Comp 1492206604.86 mm 61.856 mm 5.239 mm 5.248 mm 113. WESTFORD 7209 NOAM Y Comp -4458130480.81 mm 41.194 mm 19.527 mm 19.561 mm 114. WESTFORD 7209 NOAM Z Comp 4296015417.08 mm -129.919 mm 14.967 mm 14.993 mm WESTFORD 7209 U Comp -102.26 mm -102.260 mm 23.091 mm 20.155 mm WESTFORD 7209 E Comp 71.73 mm 71.733 mm 9.254 mm 8.077 mm WESTFORD 7209 N Comp -82.46 mm -82.458 mm 3.735 mm 3.260 mm 115. WESTFORD AT 0 1982.12.06-13:47:36.456 7.357 ps 57.584 ps 57.683 ps WESTFORD Atm 1982.12.07-01:48:08.640 Avg: 12.884 ps Rms: 33.488 ps Tot_Rms: 35.881 ps || Nat: 226 Dura: 85750.0 sec Tzd_avg: 7944.4 Tzd_rms: 122.1 Wzd_avg: 370.0 Wzd_rms: 159.0 ps Prs_avg: 100687. Pa Tem_avg: 14.3 C Stm_avg: 2.5 C Stm_rms: 0.7 K Spr_avg: 766. Spr_rms: 37. Pa 188. WESTFORD NG 1982.12.06-13:46:36.456 -0.008 mm 0.422 mm 0.423 mm 189. WESTFORD EG 1982.12.06-13:46:36.456 0.007 mm 0.422 mm 0.423 mm 190. WESTFORD NG 1982.12.06-21:46:36.456 -0.013 mm 0.377 mm 0.378 mm 191. WESTFORD EG 1982.12.06-21:46:36.456 0.007 mm 0.377 mm 0.378 mm 192. WESTFORD NG 1982.12.07-05:46:36.456 -0.016 mm 0.377 mm 0.378 mm 193. WESTFORD EG 1982.12.07-05:46:36.456 -0.015 mm 0.377 mm 0.378 mm 194. WESTFORD NG 1982.12.07-13:46:36.456 -0.005 mm 0.422 mm 0.423 mm 195. WESTFORD EG 1982.12.07-13:46:36.456 -0.012 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.81 ps/h NRMS 0.18 share 0.92 count 73 2. WESTFORD Input 50.00 ps/h RMS 14.86 ps/h NRMS 0.30 share 0.88 count 73 Overall RMS 12.21 ps/h NRMS 0.24 share 0.90 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.39 D-14 NRMS 0.48 share 0.26 count 25 Overall RMS 2.39 D-14 NRMS 0.48 share 0.26 count 25 196. UT1-TAI 1, 1982.12.07-01:42:00.000 -3.0998 ms/d -378.67 micros/d 204.42 micros/d 204.78 micros/d EOP epoch (TDT) MJD: 45310.071206 NUT epoch (TDT) MJD: 45310.086340 197. Nutation DPSI wrt apriori model 1982.12.07-01:42:08.136 4.989 mas 2676.1 microasec 2680.7 microasec Nutation Dx wrt apriori model 1982.12.07-01:42:08.136 1.980 mas 1061.6 microasec 1063.4 microasec Nutation DPSI wrt Wahr 1980 model 1982.12.07-01:42:08.136 6.816 mas 2676.1 microasec 2680.7 microasec 198. Nutation DEPS wrt apriori model 1982.12.07-01:42:08.136 1.311 mas 780.9 microasec 782.3 microasec Nutation Dy wrt apriori model 1982.12.07-01:42:08.136 1.318 mas 785.0 microasec 786.3 microasec Nutation DEPS wrt Wahr 1980 model 1982.12.07-01:42:08.136 4.372 mas 780.9 microasec 782.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0908 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.12.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928022.13 11.22 3134928022.13 11.22 195.59 6.92 221.91 48.55 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 NRAO_140 ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:40 Correlator type: Unknown Experiment code: xal826 Mark-3 db_name: $82DEC15X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821215_a Ver 2 xal826 Matrix Condition Number = 5.959302446199351E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | NRAO_140: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for NRAO_140 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.6 3.5 844.8 1.0 45.0 26.0 NRAO_140 MET 2.9 4.1 929.5 3.3 40.8 40.8 ONSALA60 MET 5.0 0.7 962.7 4.4 95.4 28.1 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET -0.8 5.7 886.6 1.0 61.3 43.3 WESTFORD MET 7.3 2.8 1015.2 4.2 20.6 12.3 Run 26091-1738 1283 Observation Pairs Available Session started on: 2445318.876400 1982.12.15 09:02:00.960 UTC Nominal duration: 122230.080 sec 01 09:57:10.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 491 18.919 ps 0.79 0.9966 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 527 Number of potentially good observations with QC 5-9: 527 Number of used observations: 491 ( 93.17%) Number of suppressed observations: 36 ( 6.83%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 NRAO_140 57 62 16.847 0.77 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT HRAS_085 ONSALA60 12 12 145.093 0.97 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT HRAS_085 OVRO_130 119 120 11.942 0.70 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT HRAS_085 WESTFORD 92 96 47.978 0.89 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT NRAO_140 ONSALA60 6 6 7.769 0.37 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT NRAO_140 OVRO_130 50 53 11.452 0.68 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT NRAO_140 WESTFORD 49 64 23.761 0.78 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 14 14 36.456 0.71 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT ONSALA60 WESTFORD 17 17 67.582 0.86 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT OVRO_130 WESTFORD 75 83 36.244 0.85 19821215_a xal826 1982.12.16-02:00:36.0 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19821215_a xal826 NRAO_140 ONSALA85 0/ 0 deselected baseline 19821215_a xal826 ONSALA85 OVRO_130 0/ 0 deselected baseline 19821215_a xal826 ONSALA85 WESTFORD 0/ 0 deselected baseline 19821215_a xal826 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 16 16 39 17.944 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 0212+735 J0217+7349 47 49 133 29.815 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 0234+285 J0237+2848 37 40 82 23.899 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 0300+470 J0303+4716 36 37 110 24.391 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 0552+398 J0555+3948 38 46 106 20.310 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 2216-038 J2218-0335 12 12 32 14.130 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 3C273B J1229+0203 36 38 74 11.080 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 3C345 J1642+3948 81 84 206 15.455 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 3C454.3 J2253+1608 35 36 60 11.869 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: 4C39.25 J0927+3902 36 42 111 24.337 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: OJ287 J0854+2006 34 35 83 12.628 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: OQ208 J1407+2827 40 46 120 26.938 19821215_a xal826 1982.12.16-02:00:36.000 SRC_STAT: VR422201 J2202+4216 43 46 127 34.276 19821215_a xal826 1982.12.16-02:00:36.000 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.12.16-02:00:03 1. HRAS_085 7216 NOAM X Comp -1324211083.39 mm -66.394 mm 7.393 mm 7.380 mm 2. HRAS_085 7216 NOAM Y Comp -5332023036.43 mm 45.572 mm 10.526 mm 10.508 mm 3. HRAS_085 7216 NOAM Z Comp 3232118409.23 mm 102.233 mm 12.489 mm 12.468 mm HRAS_085 7216 U Comp 27.81 mm 27.811 mm 13.617 mm 10.701 mm HRAS_085 7216 E Comp -75.42 mm -75.420 mm 7.416 mm 5.828 mm HRAS_085 7216 N Comp 102.35 mm 102.346 mm 8.999 mm 7.072 mm 4. HRAS_085 CL 0 1982.12.15-09:01:28.776 15019.253 ns 0.144 ns 0.144 ns 5. HRAS_085 CL 1 1982.12.15-09:01:28.776 -20.370 D-14 1.741 D-14 1.738 D-14 6. HRAS_085 CL 2 1982.12.15-09:01:28.776 -0.671 D-14/day 1.074 D-14/day 1.073 D-14/day 41. HRAS_085 AT 0 1982.12.15-09:01:28.776 -24.934 ps 42.189 ps 42.118 ps HRAS_085 Atm 1982.12.16-02:02:00.960 Avg: -27.505 ps Rms: 13.251 ps Tot_Rms: 30.531 ps || Nat: 156 Dura: 122230.0 sec Tzd_avg: 6506.4 Tzd_rms: 19.0 Wzd_avg: 79.8 Wzd_rms: 15.4 ps Prs_avg: 84487. Pa Tem_avg: 6.5 C Stm_avg: -0.3 C Stm_rms: 2.1 K Spr_avg: -62. Spr_rms: 63. Pa 144. HRAS_085 NG 1982.12.15-09:00:28.776 0.033 mm 0.420 mm 0.419 mm 145. HRAS_085 EG 1982.12.15-09:00:28.776 0.076 mm 0.418 mm 0.417 mm 146. HRAS_085 NG 1982.12.15-17:00:28.776 -0.022 mm 0.375 mm 0.375 mm 147. HRAS_085 EG 1982.12.15-17:00:28.776 0.084 mm 0.372 mm 0.371 mm 148. HRAS_085 NG 1982.12.16-01:00:28.776 -0.072 mm 0.371 mm 0.370 mm 149. HRAS_085 EG 1982.12.16-01:00:28.776 -0.057 mm 0.371 mm 0.370 mm 150. HRAS_085 NG 1982.12.16-09:00:28.776 0.018 mm 0.374 mm 0.373 mm 151. HRAS_085 EG 1982.12.16-09:00:28.776 -0.033 mm 0.370 mm 0.370 mm 152. HRAS_085 NG 1982.12.16-17:00:28.776 0.051 mm 0.420 mm 0.419 mm 153. HRAS_085 EG 1982.12.16-17:00:28.776 0.006 mm 0.416 mm 0.415 mm 154. NRAO_140 7204 NOAM X Comp 882879839.13 mm 0.126 mm 7.528 mm 7.515 mm 155. NRAO_140 7204 NOAM Y Comp -4924482226.12 mm 86.878 mm 9.003 mm 8.988 mm 156. NRAO_140 7204 NOAM Z Comp 3944130654.60 mm -33.398 mm 12.373 mm 12.352 mm NRAO_140 7204 U Comp -87.73 mm -87.727 mm 13.982 mm 10.988 mm NRAO_140 7204 E Comp 15.46 mm 15.456 mm 7.193 mm 5.652 mm NRAO_140 7204 N Comp 26.99 mm 26.987 mm 6.601 mm 5.188 mm 157. NRAO_140 CL 0 1982.12.15-09:01:28.776 6094.343 ns 0.216 ns 0.215 ns 158. NRAO_140 CL 1 1982.12.15-09:01:28.776 -34.933 D-14 1.855 D-14 1.851 D-14 159. NRAO_140 CL 2 1982.12.15-09:01:28.776 5.847 D-14/day 1.129 D-14/day 1.127 D-14/day 194. NRAO_140 AT 0 1982.12.15-09:01:28.776 59.649 ps 43.863 ps 43.789 ps NRAO_140 Atm 1982.12.16-02:02:00.960 Avg: -4.276 ps Rms: 51.035 ps Tot_Rms: 51.214 ps || Nat: 96 Dura: 121366.0 sec Tzd_avg: 7343.0 Tzd_rms: 140.9 Wzd_avg: 370.9 Wzd_rms: 144.1 ps Prs_avg: 92930. Pa Tem_avg: 2.7 C Stm_avg: -2.0 C Stm_rms: 2.2 K Spr_avg: 999. Spr_rms: 138. Pa 297. NRAO_140 NG 1982.12.15-09:00:28.776 0.003 mm 0.422 mm 0.421 mm 298. NRAO_140 EG 1982.12.15-09:00:28.776 0.012 mm 0.421 mm 0.420 mm 299. NRAO_140 NG 1982.12.15-17:00:28.776 0.035 mm 0.376 mm 0.375 mm 300. NRAO_140 EG 1982.12.15-17:00:28.776 0.004 mm 0.376 mm 0.375 mm 301. NRAO_140 NG 1982.12.16-01:00:28.776 0.057 mm 0.371 mm 0.371 mm 302. NRAO_140 EG 1982.12.16-01:00:28.776 -0.024 mm 0.371 mm 0.371 mm 303. NRAO_140 NG 1982.12.16-09:00:28.776 -0.063 mm 0.375 mm 0.375 mm 304. NRAO_140 EG 1982.12.16-09:00:28.776 -0.016 mm 0.374 mm 0.374 mm 305. NRAO_140 NG 1982.12.16-17:00:28.776 -0.056 mm 0.422 mm 0.421 mm 306. NRAO_140 EG 1982.12.16-17:00:28.776 -0.090 mm 0.418 mm 0.418 mm 307. ONSALA60 7213 EURA X Comp 3370605999.89 mm 10.889 mm 28.673 mm 28.624 mm 308. ONSALA60 7213 EURA Y Comp 711917340.53 mm -188.474 mm 15.867 mm 15.841 mm 309. ONSALA60 7213 EURA Z Comp 5349830683.85 mm -82.146 mm 41.009 mm 40.940 mm ONSALA60 7213 U Comp -84.45 mm -84.447 mm 47.459 mm 37.296 mm ONSALA60 7213 E Comp -186.66 mm -186.656 mm 19.096 mm 15.006 mm ONSALA60 7213 N Comp -20.43 mm -20.427 mm 11.775 mm 9.253 mm 310. ONSALA60 CL 0 1982.12.15-09:01:28.776 32785.688 ns 1.094 ns 1.092 ns 311. ONSALA60 CL 1 1982.12.15-09:01:28.776 374.079 D-14 6.942 D-14 6.930 D-14 312. ONSALA60 CL 2 1982.12.15-09:01:28.776 -23.418 D-14/day 8.528 D-14/day 8.514 D-14/day 347. ONSALA60 AT 0 1982.12.15-09:01:28.776 22.565 ps 83.666 ps 83.525 ps ONSALA60 Atm 1982.12.16-02:02:00.960 Avg: 16.430 ps Rms: 3.930 ps Tot_Rms: 16.893 ps || Nat: 141 Dura: 106836.0 sec Tzd_avg: 7509.8 Tzd_rms: 104.2 Wzd_avg: 233.5 Wzd_rms: 85.7 ps Prs_avg: 96281. Pa Tem_avg: 5.1 C Stm_avg: -0.6 C Stm_rms: 0.2 K Spr_avg: 215. Spr_rms: 61. Pa 450. ONSALA60 NG 1982.12.15-09:00:28.776 0.003 mm 0.422 mm 0.422 mm 451. ONSALA60 EG 1982.12.15-09:00:28.776 -0.000 mm 0.422 mm 0.422 mm 452. ONSALA60 NG 1982.12.15-17:00:28.776 0.007 mm 0.377 mm 0.376 mm 453. ONSALA60 EG 1982.12.15-17:00:28.776 0.012 mm 0.377 mm 0.376 mm 454. ONSALA60 NG 1982.12.16-01:00:28.776 0.014 mm 0.373 mm 0.372 mm 455. ONSALA60 EG 1982.12.16-01:00:28.776 0.017 mm 0.373 mm 0.372 mm 456. ONSALA60 NG 1982.12.16-09:00:28.776 0.004 mm 0.377 mm 0.376 mm 457. ONSALA60 EG 1982.12.16-09:00:28.776 0.005 mm 0.377 mm 0.376 mm 458. ONSALA60 NG 1982.12.16-17:00:28.776 0.001 mm 0.422 mm 0.422 mm 459. ONSALA60 EG 1982.12.16-17:00:28.776 0.002 mm 0.422 mm 0.422 mm 460. OVRO_130 7207 NOAM X Comp -2409600852.94 mm 34.062 mm 9.037 mm 9.022 mm 461. OVRO_130 7207 NOAM Y Comp -4478349493.53 mm -29.526 mm 10.279 mm 10.262 mm 462. OVRO_130 7207 NOAM Z Comp 3838603254.74 mm 66.738 mm 12.624 mm 12.603 mm OVRO_130 7207 U Comp 48.23 mm 48.231 mm 14.371 mm 11.294 mm OVRO_130 7207 E Comp 43.99 mm 43.986 mm 7.427 mm 5.837 mm OVRO_130 7207 N Comp 47.17 mm 47.170 mm 9.220 mm 7.246 mm 463. OVRO_130 CL 0 1982.12.15-09:01:28.776 2709.447 ns 0.149 ns 0.149 ns 464. OVRO_130 CL 1 1982.12.15-09:01:28.776 -68.411 D-14 1.750 D-14 1.747 D-14 465. OVRO_130 CL 2 1982.12.15-09:01:28.776 -0.136 D-14/day 1.089 D-14/day 1.088 D-14/day 500. OVRO_130 AT 0 1982.12.15-09:01:28.776 25.358 ps 36.316 ps 36.255 ps OVRO_130 Atm 1982.12.16-02:02:00.960 Avg: 9.068 ps Rms: 29.293 ps Tot_Rms: 30.664 ps || Nat: 149 Dura: 122230.0 sec Tzd_avg: 6889.2 Tzd_rms: 40.5 Wzd_avg: 178.7 Wzd_rms: 42.1 ps Prs_avg: 88659. Pa Tem_avg: -0.9 C Stm_avg: -10.1 C Stm_rms: 4.7 K Spr_avg: 266. Spr_rms: 44. Pa 603. OVRO_130 NG 1982.12.15-09:00:28.776 -0.021 mm 0.421 mm 0.420 mm 604. OVRO_130 EG 1982.12.15-09:00:28.776 -0.063 mm 0.419 mm 0.418 mm 605. OVRO_130 NG 1982.12.15-17:00:28.776 -0.005 mm 0.375 mm 0.375 mm 606. OVRO_130 EG 1982.12.15-17:00:28.776 -0.080 mm 0.374 mm 0.373 mm 607. OVRO_130 NG 1982.12.16-01:00:28.776 0.005 mm 0.371 mm 0.371 mm 608. OVRO_130 EG 1982.12.16-01:00:28.776 0.058 mm 0.371 mm 0.371 mm 609. OVRO_130 NG 1982.12.16-09:00:28.776 -0.020 mm 0.375 mm 0.374 mm 610. OVRO_130 EG 1982.12.16-09:00:28.776 0.024 mm 0.373 mm 0.372 mm 611. OVRO_130 NG 1982.12.16-17:00:28.776 -0.042 mm 0.421 mm 0.420 mm 612. OVRO_130 EG 1982.12.16-17:00:28.776 -0.042 mm 0.417 mm 0.417 mm 613. WESTFORD 7209 NOAM X Comp 1492206564.32 mm 21.316 mm 8.482 mm 8.468 mm 614. WESTFORD 7209 NOAM Y Comp -4458130436.45 mm 85.551 mm 11.812 mm 11.792 mm 615. WESTFORD 7209 NOAM Z Comp 4296015493.57 mm -53.426 mm 16.110 mm 16.083 mm WESTFORD 7209 U Comp -90.90 mm -90.897 mm 19.651 mm 15.443 mm WESTFORD 7209 E Comp 47.37 mm 47.368 mm 6.975 mm 5.481 mm WESTFORD 7209 N Comp 11.03 mm 11.027 mm 6.017 mm 4.728 mm 616. WESTFORD AT 0 1982.12.15-09:01:28.776 -49.401 ps 59.581 ps 59.481 ps WESTFORD Atm 1982.12.16-02:02:00.960 Avg: -8.106 ps Rms: 23.072 ps Tot_Rms: 24.455 ps || Nat: 169 Dura: 122230.0 sec Tzd_avg: 8059.3 Tzd_rms: 89.0 Wzd_avg: 423.9 Wzd_rms: 126.1 ps Prs_avg: 101479. Pa Tem_avg: 7.3 C Stm_avg: 4.3 C Stm_rms: 1.8 K Spr_avg: 735. Spr_rms: 53. Pa 719. WESTFORD NG 1982.12.15-09:00:28.776 -0.004 mm 0.422 mm 0.421 mm 720. WESTFORD EG 1982.12.15-09:00:28.776 -0.000 mm 0.421 mm 0.420 mm 721. WESTFORD NG 1982.12.15-17:00:28.776 -0.006 mm 0.376 mm 0.376 mm 722. WESTFORD EG 1982.12.15-17:00:28.776 -0.017 mm 0.375 mm 0.375 mm 723. WESTFORD NG 1982.12.16-01:00:28.776 -0.030 mm 0.372 mm 0.372 mm 724. WESTFORD EG 1982.12.16-01:00:28.776 0.008 mm 0.372 mm 0.371 mm 725. WESTFORD NG 1982.12.16-09:00:28.776 0.014 mm 0.376 mm 0.375 mm 726. WESTFORD EG 1982.12.16-09:00:28.776 0.001 mm 0.375 mm 0.375 mm 727. WESTFORD NG 1982.12.16-17:00:28.776 0.008 mm 0.422 mm 0.421 mm 728. WESTFORD EG 1982.12.16-17:00:28.776 0.043 mm 0.421 mm 0.420 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 19.26 ps/h NRMS 0.39 share 0.77 count 103 2. NRAO_140 Input 50.00 ps/h RMS 15.29 ps/h NRMS 0.31 share 0.86 count 103 3. ONSALA60 Input 50.00 ps/h RMS 4.49 ps/h NRMS 0.09 share 0.97 count 103 5. OVRO_130 Input 50.00 ps/h RMS 21.79 ps/h NRMS 0.44 share 0.76 count 103 6. WESTFORD Input 50.00 ps/h RMS 14.07 ps/h NRMS 0.28 share 0.85 count 103 Overall RMS 16.11 ps/h NRMS 0.32 share 0.84 count 515 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.51 count 10 2. NRAO_140 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.52 count 10 3. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.52 count 10 5. OVRO_130 Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.51 count 10 6. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.52 count 10 Overall RMS 0.14 mm/d NRMS 0.07 share 0.51 count 50 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.50 D-14 NRMS 0.50 share 0.17 count 35 2. NRAO_140 Input 5.00 D-14 RMS 1.71 D-14 NRMS 0.34 share 0.47 count 35 3. ONSALA60 Input 5.00 D-14 RMS 0.72 D-14 NRMS 0.14 share 0.88 count 35 5. OVRO_130 Input 5.00 D-14 RMS 2.16 D-14 NRMS 0.43 share 0.18 count 35 Overall RMS 1.89 D-14 NRMS 0.38 share 0.42 count 140 729. UT1-TAI 1, 1982.12.16-02:00:00.000 -2.0810 ms/d -14.33 micros/d 56.64 micros/d 56.54 micros/d EOP epoch (TDT) MJD: 45319.083706 NUT epoch (TDT) MJD: 45319.092676 730. Nutation DPSI wrt apriori model 1982.12.16-02:00:03.816 0.709 mas 737.4 microasec 736.1 microasec Nutation Dx wrt apriori model 1982.12.16-02:00:03.816 0.282 mas 292.3 microasec 291.8 microasec Nutation DPSI wrt Wahr 1980 model 1982.12.16-02:00:03.816 2.647 mas 737.4 microasec 736.1 microasec 731. Nutation DEPS wrt apriori model 1982.12.16-02:00:03.816 -0.003 mas 269.0 microasec 268.5 microasec Nutation Dy wrt apriori model 1982.12.16-02:00:03.816 -0.002 mas 270.1 microasec 269.7 microasec Nutation DEPS wrt Wahr 1980 model 1982.12.16-02:00:03.816 2.867 mas 269.0 microasec 268.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0930 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.12.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to NRAO_140 7204 2354634003.38 4.53 2354634003.38 4.53 103.72 3.64 113.83 19.53 HRAS_085 7216 to ONSALA60 7213 7940732208.29 29.93 7940732208.29 29.93 246.07 16.81 34.75 56.94 HRAS_085 7216 to OVRO_130 7207 1508195391.02 3.66 1508195391.02 3.66 16.07 2.40 -8.52 17.60 HRAS_085 7216 to WESTFORD 7209 3134928013.32 6.64 3134928013.32 6.64 128.23 3.87 125.30 23.85 NRAO_140 7204 to ONSALA60 7213 6319317534.20 21.50 6319317534.20 21.50 100.59 15.15 -67.73 60.41 NRAO_140 7204 to OVRO_130 7207 3324244208.06 5.86 3324244208.06 5.86 6.14 3.63 -148.14 20.75 NRAO_140 7204 to WESTFORD 7209 844148085.15 4.33 844148085.15 4.33 27.36 3.51 8.03 19.33 ONSALA60 7213 to OVRO_130 7207 7914130995.42 33.06 7914130995.42 33.06 138.78 18.89 -79.55 54.35 ONSALA60 7213 to WESTFORD 7209 5600741460.83 19.62 5600741460.83 19.62 61.28 14.72 60.84 64.78 OVRO_130 7207 to WESTFORD 7209 3928579372.73 7.95 3928579372.73 7.95 9.09 4.06 164.57 25.09 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 NRAO_140 ONSALA60 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:43 Correlator type: Unknown Experiment code: xal827 Mark-3 db_name: $82DEC16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821216_a Ver 2 xal827 Matrix Condition Number = 2.162681849481973E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | NRAO_140: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for NRAO_140 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.5 4.8 844.9 0.7 45.0 0.0 NRAO_140 MET -0.2 0.7 928.0 0.4 70.2 3.3 ONSALA60 MET 1.4 1.4 977.2 4.3 78.4 1.1 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 2.9 5.2 883.5 1.3 34.7 3.6 WESTFORD MET 5.3 5.2 1005.9 4.2 87.2 45.7 Run 26091-1738 1070 Observation Pairs Available Session started on: 2445320.335900 1982.12.16 20:03:41.760 UTC Nominal duration: 86253.120 sec 00 23:57:33.120 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 646 27.275 ps 0.85 0.9924 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 680 Number of potentially good observations with QC 5-9: 680 Number of used observations: 646 ( 95.00%) Number of suppressed observations: 34 ( 5.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 NRAO_140 68 71 13.568 0.73 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT HRAS_085 ONSALA60 47 47 42.613 0.80 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT HRAS_085 OVRO_130 101 101 19.473 0.80 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT HRAS_085 WESTFORD 106 108 56.457 0.92 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT NRAO_140 ONSALA60 24 24 31.914 0.78 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT NRAO_140 OVRO_130 52 57 23.395 0.84 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT NRAO_140 WESTFORD 62 69 33.061 0.88 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 44 44 52.979 0.87 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT ONSALA60 WESTFORD 49 49 104.012 0.94 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT OVRO_130 WESTFORD 93 110 30.638 0.84 19821216_a xal827 1982.12.17-08:02:28.3 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19821216_a xal827 NRAO_140 ONSALA85 0/ 0 deselected baseline 19821216_a xal827 ONSALA85 OVRO_130 0/ 0 deselected baseline 19821216_a xal827 ONSALA85 WESTFORD 0/ 0 deselected baseline 19821216_a xal827 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 49 52 74 33.027 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 0234+285 J0237+2848 73 76 118 29.315 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 0300+470 J0303+4716 65 67 109 42.292 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 0552+398 J0555+3948 60 64 95 22.786 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 1741-038 J1743-0350 17 21 30 48.659 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 3C273B J1229+0203 43 44 48 21.393 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 3C345 J1642+3948 73 73 119 20.515 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 3C454.3 J2253+1608 58 58 92 23.166 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: 4C39.25 J0927+3902 69 70 129 29.153 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: OJ287 J0854+2006 46 47 66 17.985 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: OQ208 J1407+2827 53 58 79 30.840 19821216_a xal827 1982.12.17-08:02:28.320 SRC_STAT: VR422201 J2202+4216 40 50 111 46.160 19821216_a xal827 1982.12.17-08:02:28.320 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.12.17-08:01:56 1. HRAS_085 7216 NOAM X Comp -1324211088.30 mm -71.297 mm 5.940 mm 5.917 mm 2. HRAS_085 7216 NOAM Y Comp -5332023015.03 mm 66.966 mm 17.625 mm 17.558 mm 3. HRAS_085 7216 NOAM Z Comp 3232118395.00 mm 88.004 mm 12.948 mm 12.899 mm HRAS_085 7216 U Comp 3.71 mm 3.712 mm 21.236 mm 17.991 mm HRAS_085 7216 E Comp -85.34 mm -85.335 mm 4.982 mm 4.221 mm HRAS_085 7216 N Comp 100.08 mm 100.082 mm 6.146 mm 5.207 mm 4. HRAS_085 CL 0 1982.12.16-20:03:09.576 14992.057 ns 0.146 ns 0.145 ns 5. HRAS_085 CL 1 1982.12.16-20:03:09.576 -25.941 D-14 2.070 D-14 2.062 D-14 6. HRAS_085 CL 2 1982.12.16-20:03:09.576 0.244 D-14/day 1.809 D-14/day 1.802 D-14/day 31. HRAS_085 AT 0 1982.12.16-20:03:09.576 -26.855 ps 48.731 ps 48.545 ps HRAS_085 Atm 1982.12.17-08:03:41.760 Avg: 8.117 ps Rms: 20.394 ps Tot_Rms: 21.950 ps || Nat: 125 Dura: 86258.0 sec Tzd_avg: 6513.5 Tzd_rms: 5.1 Wzd_avg: 88.3 Wzd_rms: 4.0 ps Prs_avg: 84477. Pa Tem_avg: 8.1 C Stm_avg: -4.6 C Stm_rms: 4.0 K Spr_avg: -54. Spr_rms: 70. Pa 104. HRAS_085 NG 1982.12.16-20:02:09.576 -0.073 mm 0.420 mm 0.418 mm 105. HRAS_085 EG 1982.12.16-20:02:09.576 -0.006 mm 0.417 mm 0.415 mm 106. HRAS_085 NG 1982.12.17-04:02:09.576 0.003 mm 0.375 mm 0.374 mm 107. HRAS_085 EG 1982.12.17-04:02:09.576 -0.074 mm 0.373 mm 0.372 mm 108. HRAS_085 NG 1982.12.17-12:02:09.576 0.019 mm 0.375 mm 0.373 mm 109. HRAS_085 EG 1982.12.17-12:02:09.576 0.073 mm 0.373 mm 0.371 mm 110. HRAS_085 NG 1982.12.17-20:02:09.576 0.014 mm 0.421 mm 0.419 mm 111. HRAS_085 EG 1982.12.17-20:02:09.576 0.006 mm 0.419 mm 0.418 mm 112. NRAO_140 7204 NOAM X Comp 882879822.00 mm -16.998 mm 4.701 mm 4.683 mm 113. NRAO_140 7204 NOAM Y Comp -4924482200.90 mm 112.095 mm 12.556 mm 12.509 mm 114. NRAO_140 7204 NOAM Z Comp 3944130636.98 mm -51.018 mm 11.736 mm 11.692 mm NRAO_140 7204 U Comp -120.49 mm -120.490 mm 16.497 mm 13.976 mm NRAO_140 7204 E Comp 3.05 mm 3.050 mm 4.747 mm 4.021 mm NRAO_140 7204 N Comp 30.50 mm 30.495 mm 4.778 mm 4.048 mm 115. NRAO_140 CL 0 1982.12.16-20:03:09.576 6060.533 ns 0.091 ns 0.090 ns 116. NRAO_140 CL 1 1982.12.16-20:03:09.576 -18.678 D-14 2.285 D-14 2.277 D-14 117. NRAO_140 CL 2 1982.12.16-20:03:09.576 -6.133 D-14/day 2.438 D-14/day 2.429 D-14/day 142. NRAO_140 AT 0 1982.12.16-20:03:09.576 30.330 ps 16.655 ps 16.592 ps NRAO_140 Atm 1982.12.17-08:03:41.760 Avg: 36.497 ps Rms: 12.908 ps Tot_Rms: 38.712 ps || Nat: 85 Dura: 68730.0 sec Tzd_avg: 7121.6 Tzd_rms: 16.7 Wzd_avg: 133.8 Wzd_rms: 16.2 ps Prs_avg: 92805. Pa Tem_avg: -0.3 C Stm_avg: 1.3 C Stm_rms: 0.8 K Spr_avg: 771. Spr_rms: 21. Pa 215. NRAO_140 NG 1982.12.16-20:02:09.576 0.018 mm 0.420 mm 0.418 mm 216. NRAO_140 EG 1982.12.16-20:02:09.576 -0.083 mm 0.419 mm 0.418 mm 217. NRAO_140 NG 1982.12.17-04:02:09.576 0.029 mm 0.376 mm 0.374 mm 218. NRAO_140 EG 1982.12.17-04:02:09.576 -0.013 mm 0.375 mm 0.374 mm 219. NRAO_140 NG 1982.12.17-12:02:09.576 -0.017 mm 0.376 mm 0.374 mm 220. NRAO_140 EG 1982.12.17-12:02:09.576 0.045 mm 0.374 mm 0.373 mm 221. NRAO_140 NG 1982.12.17-20:02:09.576 -0.019 mm 0.422 mm 0.420 mm 222. NRAO_140 EG 1982.12.17-20:02:09.576 0.017 mm 0.422 mm 0.420 mm 223. ONSALA60 7213 EURA X Comp 3370606025.13 mm 36.131 mm 16.211 mm 16.150 mm 224. ONSALA60 7213 EURA Y Comp 711917281.93 mm -247.069 mm 17.976 mm 17.908 mm 225. ONSALA60 7213 EURA Z Comp 5349830733.86 mm -32.138 mm 31.365 mm 31.246 mm ONSALA60 7213 U Comp -35.54 mm -35.537 mm 32.245 mm 27.318 mm ONSALA60 7213 E Comp -249.20 mm -249.202 mm 19.102 mm 16.183 mm ONSALA60 7213 N Comp -4.09 mm -4.086 mm 12.849 mm 10.885 mm 226. ONSALA60 CL 0 1982.12.16-20:03:09.576 33229.550 ns 0.312 ns 0.310 ns 227. ONSALA60 CL 1 1982.12.16-20:03:09.576 346.337 D-14 2.386 D-14 2.377 D-14 228. ONSALA60 CL 2 1982.12.16-20:03:09.576 -9.325 D-14/day 2.016 D-14/day 2.008 D-14/day 253. ONSALA60 AT 0 1982.12.16-20:03:09.576 -3.590 ps 39.773 ps 39.622 ps ONSALA60 Atm 1982.12.17-08:03:41.760 Avg: -0.690 ps Rms: 19.555 ps Tot_Rms: 19.567 ps || Nat: 75 Dura: 85828.0 sec Tzd_avg: 7497.7 Tzd_rms: 38.9 Wzd_avg: 105.9 Wzd_rms: 21.8 ps Prs_avg: 97759. Pa Tem_avg: 1.4 C Stm_avg: -1.0 C Stm_rms: 1.3 K Spr_avg: 222. Spr_rms: 37. Pa 326. ONSALA60 NG 1982.12.16-20:02:09.576 0.009 mm 0.422 mm 0.420 mm 327. ONSALA60 EG 1982.12.16-20:02:09.576 0.017 mm 0.422 mm 0.421 mm 328. ONSALA60 NG 1982.12.17-04:02:09.576 -0.010 mm 0.377 mm 0.376 mm 329. ONSALA60 EG 1982.12.17-04:02:09.576 0.013 mm 0.377 mm 0.375 mm 330. ONSALA60 NG 1982.12.17-12:02:09.576 -0.006 mm 0.377 mm 0.375 mm 331. ONSALA60 EG 1982.12.17-12:02:09.576 -0.009 mm 0.377 mm 0.376 mm 332. ONSALA60 NG 1982.12.17-20:02:09.576 0.002 mm 0.422 mm 0.421 mm 333. ONSALA60 EG 1982.12.17-20:02:09.576 -0.002 mm 0.422 mm 0.421 mm 334. OVRO_130 7207 NOAM X Comp -2409600847.07 mm 39.932 mm 5.807 mm 5.785 mm 335. OVRO_130 7207 NOAM Y Comp -4478349463.86 mm 0.141 mm 11.665 mm 11.621 mm 336. OVRO_130 7207 NOAM Z Comp 3838603229.60 mm 41.598 mm 11.510 mm 11.466 mm OVRO_130 7207 U Comp 10.00 mm 10.004 mm 15.167 mm 12.849 mm OVRO_130 7207 E Comp 35.10 mm 35.098 mm 5.848 mm 4.954 mm OVRO_130 7207 N Comp 44.64 mm 44.643 mm 6.168 mm 5.226 mm 337. OVRO_130 CL 0 1982.12.16-20:03:09.576 2622.545 ns 0.113 ns 0.113 ns 338. OVRO_130 CL 1 1982.12.16-20:03:09.576 -70.223 D-14 2.180 D-14 2.172 D-14 339. OVRO_130 CL 2 1982.12.16-20:03:09.576 -1.760 D-14/day 2.113 D-14/day 2.105 D-14/day 364. OVRO_130 AT 0 1982.12.16-20:03:09.576 30.844 ps 31.979 ps 31.857 ps OVRO_130 Atm 1982.12.17-08:03:41.760 Avg: -16.551 ps Rms: 49.127 ps Tot_Rms: 51.840 ps || Nat: 119 Dura: 75958.0 sec Tzd_avg: 6840.0 Tzd_rms: 47.3 Wzd_avg: 135.5 Wzd_rms: 52.3 ps Prs_avg: 88336. Pa Tem_avg: 2.8 C Stm_avg: -5.5 C Stm_rms: 4.6 K Spr_avg: 40. Spr_rms: 93. Pa 437. OVRO_130 NG 1982.12.16-20:02:09.576 0.053 mm 0.420 mm 0.419 mm 438. OVRO_130 EG 1982.12.16-20:02:09.576 0.028 mm 0.419 mm 0.418 mm 439. OVRO_130 NG 1982.12.17-04:02:09.576 -0.055 mm 0.376 mm 0.374 mm 440. OVRO_130 EG 1982.12.17-04:02:09.576 0.096 mm 0.375 mm 0.374 mm 441. OVRO_130 NG 1982.12.17-12:02:09.576 -0.025 mm 0.376 mm 0.374 mm 442. OVRO_130 EG 1982.12.17-12:02:09.576 -0.070 mm 0.375 mm 0.373 mm 443. OVRO_130 NG 1982.12.17-20:02:09.576 -0.017 mm 0.421 mm 0.420 mm 444. OVRO_130 EG 1982.12.17-20:02:09.576 -0.031 mm 0.421 mm 0.419 mm 445. WESTFORD 7209 NOAM X Comp 1492206555.23 mm 12.232 mm 4.908 mm 4.889 mm 446. WESTFORD 7209 NOAM Y Comp -4458130454.13 mm 67.866 mm 11.564 mm 11.520 mm 447. WESTFORD 7209 NOAM Z Comp 4296015500.55 mm -46.445 mm 11.562 mm 11.518 mm WESTFORD 7209 U Comp -75.95 mm -75.951 mm 15.529 mm 13.156 mm WESTFORD 7209 E Comp 33.14 mm 33.140 mm 5.464 mm 4.629 mm WESTFORD 7209 N Comp 6.76 mm 6.763 mm 4.529 mm 3.837 mm 448. WESTFORD AT 0 1982.12.16-20:03:09.576 -136.510 ps 31.161 ps 31.043 ps WESTFORD Atm 1982.12.17-08:03:41.760 Avg: -60.747 ps Rms: 62.268 ps Tot_Rms: 86.992 ps || Nat: 132 Dura: 86258.0 sec Tzd_avg: 7846.0 Tzd_rms: 130.7 Wzd_avg: 272.1 Wzd_rms: 162.8 ps Prs_avg: 100658. Pa Tem_avg: 4.6 C Stm_avg: 1.2 C Stm_rms: 1.0 K Spr_avg: 788. Spr_rms: 68. Pa 521. WESTFORD NG 1982.12.16-20:02:09.576 -0.020 mm 0.421 mm 0.419 mm 522. WESTFORD EG 1982.12.16-20:02:09.576 0.053 mm 0.421 mm 0.419 mm 523. WESTFORD NG 1982.12.17-04:02:09.576 -0.017 mm 0.376 mm 0.375 mm 524. WESTFORD EG 1982.12.17-04:02:09.576 0.045 mm 0.376 mm 0.374 mm 525. WESTFORD NG 1982.12.17-12:02:09.576 0.039 mm 0.376 mm 0.375 mm 526. WESTFORD EG 1982.12.17-12:02:09.576 -0.040 mm 0.376 mm 0.374 mm 527. WESTFORD NG 1982.12.17-20:02:09.576 0.043 mm 0.421 mm 0.420 mm 528. WESTFORD EG 1982.12.17-20:02:09.576 -0.004 mm 0.421 mm 0.420 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 22.66 ps/h NRMS 0.45 share 0.75 count 73 2. NRAO_140 Input 50.00 ps/h RMS 20.36 ps/h NRMS 0.41 share 0.80 count 73 3. ONSALA60 Input 50.00 ps/h RMS 14.61 ps/h NRMS 0.29 share 0.83 count 73 5. OVRO_130 Input 50.00 ps/h RMS 22.82 ps/h NRMS 0.46 share 0.72 count 73 6. WESTFORD Input 50.00 ps/h RMS 24.45 ps/h NRMS 0.49 share 0.73 count 73 Overall RMS 21.26 ps/h NRMS 0.43 share 0.77 count 365 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.23 mm/d NRMS 0.12 share 0.53 count 8 2. NRAO_140 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.53 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.26 mm/d NRMS 0.13 share 0.53 count 8 6. WESTFORD Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.53 count 8 Overall RMS 0.18 mm/d NRMS 0.09 share 0.53 count 40 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.70 D-14 NRMS 0.54 share 0.18 count 25 2. NRAO_140 Input 5.00 D-14 RMS 1.15 D-14 NRMS 0.23 share 0.35 count 25 3. ONSALA60 Input 5.00 D-14 RMS 3.56 D-14 NRMS 0.71 share 0.37 count 25 5. OVRO_130 Input 5.00 D-14 RMS 1.70 D-14 NRMS 0.34 share 0.27 count 25 Overall RMS 2.46 D-14 NRMS 0.49 share 0.29 count 100 529. UT1-TAI 1, 1982.12.17-08:02:00.000 -2.0598 ms/d -21.07 micros/d 77.74 micros/d 77.44 micros/d EOP epoch (TDT) MJD: 45320.335095 NUT epoch (TDT) MJD: 45320.263126 530. Nutation DPSI wrt apriori model 1982.12.17-08:01:56.136 0.363 mas 671.7 microasec 669.2 microasec Nutation Dx wrt apriori model 1982.12.17-08:01:56.136 0.146 mas 265.9 microasec 264.9 microasec Nutation DPSI wrt Wahr 1980 model 1982.12.17-08:01:56.136 2.579 mas 671.7 microasec 669.2 microasec 531. Nutation DEPS wrt apriori model 1982.12.17-08:01:56.136 -0.465 mas 352.5 microasec 351.2 microasec Nutation Dy wrt apriori model 1982.12.17-08:01:56.136 -0.464 mas 353.5 microasec 352.2 microasec Nutation DEPS wrt Wahr 1980 model 1982.12.17-08:01:56.136 2.374 mas 352.5 microasec 351.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0400 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.12.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to NRAO_140 7204 2354633991.56 5.63 2354633991.56 5.63 99.97 3.07 118.49 29.45 HRAS_085 7216 to ONSALA60 7213 7940732182.36 23.71 7940732182.36 23.71 278.28 10.14 -63.86 48.65 HRAS_085 7216 to OVRO_130 7207 1508195383.57 4.39 1508195383.57 4.39 17.27 2.57 7.18 26.49 HRAS_085 7216 to WESTFORD 7209 3134928005.87 7.20 3134928005.87 7.20 132.43 3.77 81.47 28.80 NRAO_140 7204 to ONSALA60 7213 6319317491.17 18.17 6319317491.17 18.17 123.16 9.89 -172.76 47.03 NRAO_140 7204 to OVRO_130 7207 3324244186.12 5.26 3324244186.12 5.26 4.52 3.51 -137.13 23.11 NRAO_140 7204 to WESTFORD 7209 844148077.51 4.37 844148077.51 4.37 33.80 3.66 -41.07 20.67 ONSALA60 7213 to OVRO_130 7207 7914130966.03 20.35 7914130966.03 20.35 184.16 13.24 24.81 45.28 ONSALA60 7213 to WESTFORD 7209 5600741442.67 17.04 5600741442.67 17.04 76.80 10.25 125.12 46.22 OVRO_130 7207 to WESTFORD 7209 3928579361.37 5.29 3928579361.37 5.29 16.23 4.01 106.97 22.82 NNT_POS: 4 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:46 Correlator type: Unknown Experiment code: ast823 Mark-3 db_name: $82DEC18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821218_a Ver 2 ast823 Matrix Condition Number = 2.983746777345154E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: CABL_DEL GION | | HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | OVRO_130: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -6.8 1.6 1019.4 1.9 25.6 6.4 HRAS_085 MET 15.5 6.2 840.7 1.7 45.0 0.0 ONSALA60 MET 2.3 0.6 995.7 2.1 69.4 0.4 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 3.0 8.4 885.1 1.0 67.8 1.9 WESTFORD MET -6.9 1.6 1019.4 1.8 24.8 6.1 Run 26091-1738 2098 Observation Pairs Available Session started on: 2445322.000800 1982.12.18 12:01:09.120 UTC Nominal duration: 85976.640 sec 00 23:52:56.640 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 656 25.923 ps 0.89 1.0012 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 760 Number of potentially good observations with QC 5-9: 760 Number of used observations: 656 ( 86.32%) Number of suppressed observations: 104 ( 13.68%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 68 69 38.384 0.89 19821218_a ast823 1982.12.18-23:57:37.4 BAS_STAT HAYSTACK ONSALA60 129 148 26.194 0.85 19821218_a ast823 1982.12.18-23:57:37.4 BAS_STAT HAYSTACK OVRO_130 125 131 21.068 0.86 19821218_a ast823 1982.12.18-23:57:37.4 BAS_STAT HRAS_085 ONSALA60 103 129 89.928 0.97 19821218_a ast823 1982.12.18-23:57:37.4 BAS_STAT HRAS_085 OVRO_130 136 138 17.000 0.85 19821218_a ast823 1982.12.18-23:57:37.4 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 95 145 48.609 0.92 19821218_a ast823 1982.12.18-23:57:37.4 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19821218_a ast823 HAYSTACK WESTFORD 0/ 0 deselected baseline 19821218_a ast823 HRAS_085 ONSALA85 0/ 0 deselected baseline 19821218_a ast823 HRAS_085 WESTFORD 0/ 0 deselected baseline 19821218_a ast823 ONSALA60 WESTFORD 0/ 0 deselected baseline 19821218_a ast823 ONSALA85 OVRO_130 0/ 0 deselected baseline 19821218_a ast823 ONSALA85 WESTFORD 0/ 0 deselected baseline 19821218_a ast823 OVRO_130 WESTFORD 0/ 0 deselected baseline 19821218_a ast823 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 4 4 12 19.247 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 0212+735 J0217+7349 30 33 85 34.349 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 0234+285 J0237+2848 20 23 62 30.952 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 0300+470 J0303+4716 44 47 116 24.143 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 0552+398 J0555+3948 32 35 99 17.183 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 2216-038 J2218-0335 2 2 4 10.913 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 3C273B J1229+0203 6 10 33 7.463 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 3C345 J1642+3948 245 270 753 22.396 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 3C454.3 J2253+1608 2 2 5 8.951 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: 4C39.25 J0927+3902 19 19 51 23.880 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: NRAO512 J1640+3946 221 279 784 35.903 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: OJ287 J0854+2006 19 19 46 19.131 19821218_a ast823 1982.12.18-23:57:37.440 SRC_STAT: VR422201 J2202+4216 12 17 48 33.270 19821218_a ast823 1982.12.18-23:57:37.440 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.12.18-23:57:05 1. HAYSTACK 7205 NOAM X Comp 1492404689.85 mm -6.146 mm 9.566 mm 9.572 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266419.23 mm 115.768 mm 17.540 mm 17.550 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881709.62 mm -84.380 mm 17.838 mm 17.848 mm HAYSTACK 7205 U Comp -139.35 mm -139.353 mm 23.266 mm 20.598 mm HAYSTACK 7205 E Comp 30.93 mm 30.929 mm 10.843 mm 9.600 mm HAYSTACK 7205 N Comp 13.57 mm 13.572 mm 7.647 mm 6.770 mm 4. HAYSTACK CL 0 1982.12.18-12:00:36.936 -6861.285 ns 0.375 ns 0.375 ns 5. HAYSTACK CL 1 1982.12.18-12:00:36.936 26.520 D-14 2.362 D-14 2.364 D-14 6. HAYSTACK CL 2 1982.12.18-12:00:36.936 1.187 D-14/day 1.974 D-14/day 1.975 D-14/day 31. HAYSTACK AT 0 1982.12.18-12:00:36.936 0.498 ps 99.882 ps 99.942 ps HAYSTACK Atm 1982.12.19-00:01:09.120 Avg: 3.425 ps Rms: 9.719 ps Tot_Rms: 10.305 ps || Nat: 185 Dura: 83446.0 sec Tzd_avg: 7718.0 Tzd_rms: 9.3 Wzd_avg: 69.1 Wzd_rms: 17.1 ps Prs_avg: 101931. Pa Tem_avg: -6.8 C Stm_avg: -0.3 C Stm_rms: 1.7 K Spr_avg: 1163. Spr_rms: 81. Pa 104. HAYSTACK NG 1982.12.18-11:59:36.936 -0.040 mm 0.422 mm 0.423 mm 105. HAYSTACK EG 1982.12.18-11:59:36.936 0.011 mm 0.422 mm 0.422 mm 106. HAYSTACK NG 1982.12.18-19:59:36.936 -0.044 mm 0.377 mm 0.377 mm 107. HAYSTACK EG 1982.12.18-19:59:36.936 0.021 mm 0.377 mm 0.377 mm 108. HAYSTACK NG 1982.12.19-03:59:36.936 -0.045 mm 0.377 mm 0.377 mm 109. HAYSTACK EG 1982.12.19-03:59:36.936 0.016 mm 0.376 mm 0.376 mm 110. HAYSTACK NG 1982.12.19-11:59:36.936 0.011 mm 0.422 mm 0.422 mm 111. HAYSTACK EG 1982.12.19-11:59:36.936 -0.020 mm 0.422 mm 0.422 mm 112. HRAS_085 7216 NOAM X Comp -1324211096.91 mm -79.907 mm 11.363 mm 11.370 mm 113. HRAS_085 7216 NOAM Y Comp -5332022993.83 mm 88.173 mm 25.344 mm 25.359 mm 114. HRAS_085 7216 NOAM Z Comp 3232118396.77 mm 89.771 mm 20.326 mm 20.338 mm HRAS_085 7216 U Comp -11.31 mm -11.310 mm 30.577 mm 27.071 mm HRAS_085 7216 E Comp -98.80 mm -98.803 mm 11.653 mm 10.317 mm HRAS_085 7216 N Comp 111.03 mm 111.033 mm 10.669 mm 9.446 mm 115. HRAS_085 AT 0 1982.12.18-12:00:36.936 13.571 ps 121.309 ps 121.382 ps HRAS_085 Atm 1982.12.19-00:01:09.120 Avg: 12.542 ps Rms: 24.770 ps Tot_Rms: 27.764 ps || Nat: 187 Dura: 83686.0 sec Tzd_avg: 6498.0 Tzd_rms: 9.5 Wzd_avg: 102.0 Wzd_rms: 10.6 ps Prs_avg: 84077. Pa Tem_avg: 15.1 C Stm_avg: 1.8 C Stm_rms: 4.4 K Spr_avg: -77. Spr_rms: 86. Pa 188. HRAS_085 NG 1982.12.18-11:59:36.936 0.006 mm 0.422 mm 0.423 mm 189. HRAS_085 EG 1982.12.18-11:59:36.936 0.006 mm 0.422 mm 0.423 mm 190. HRAS_085 NG 1982.12.18-19:59:36.936 0.011 mm 0.377 mm 0.377 mm 191. HRAS_085 EG 1982.12.18-19:59:36.936 0.009 mm 0.377 mm 0.377 mm 192. HRAS_085 NG 1982.12.19-03:59:36.936 -0.012 mm 0.377 mm 0.377 mm 193. HRAS_085 EG 1982.12.19-03:59:36.936 -0.012 mm 0.376 mm 0.376 mm 194. HRAS_085 NG 1982.12.19-11:59:36.936 -0.080 mm 0.421 mm 0.422 mm 195. HRAS_085 EG 1982.12.19-11:59:36.936 -0.004 mm 0.421 mm 0.422 mm 196. ONSALA60 7213 EURA X Comp 3370606056.36 mm 67.359 mm 23.373 mm 23.387 mm 197. ONSALA60 7213 EURA Y Comp 711917319.08 mm -209.919 mm 20.845 mm 20.858 mm 198. ONSALA60 7213 EURA Z Comp 5349830700.84 mm -65.164 mm 36.288 mm 36.309 mm ONSALA60 7213 U Comp -42.76 mm -42.758 mm 39.048 mm 34.571 mm ONSALA60 7213 E Comp -219.31 mm -219.307 mm 23.480 mm 20.788 mm ONSALA60 7213 N Comp -54.09 mm -54.088 mm 14.886 mm 13.179 mm 199. ONSALA60 CL 0 1982.12.18-12:00:36.936 18758.695 ns 0.478 ns 0.478 ns 200. ONSALA60 CL 1 1982.12.18-12:00:36.936 359.502 D-14 2.446 D-14 2.447 D-14 201. ONSALA60 CL 2 1982.12.18-12:00:36.936 0.991 D-14/day 2.196 D-14/day 2.197 D-14/day 226. ONSALA60 AT 0 1982.12.18-12:00:36.936 -40.720 ps 98.781 ps 98.840 ps ONSALA60 Atm 1982.12.19-00:01:09.120 Avg: -25.635 ps Rms: 19.757 ps Tot_Rms: 32.365 ps || Nat: 186 Dura: 83754.0 sec Tzd_avg: 7695.1 Tzd_rms: 37.1 Wzd_avg: 169.4 Wzd_rms: 26.9 ps Prs_avg: 99577. Pa Tem_avg: 2.4 C Stm_avg: -0.5 C Stm_rms: 0.5 K Spr_avg: 247. Spr_rms: 12. Pa 299. ONSALA60 NG 1982.12.18-11:59:36.936 0.000 mm 0.422 mm 0.423 mm 300. ONSALA60 EG 1982.12.18-11:59:36.936 -0.005 mm 0.422 mm 0.423 mm 301. ONSALA60 NG 1982.12.18-19:59:36.936 -0.002 mm 0.377 mm 0.377 mm 302. ONSALA60 EG 1982.12.18-19:59:36.936 -0.012 mm 0.377 mm 0.377 mm 303. ONSALA60 NG 1982.12.19-03:59:36.936 -0.000 mm 0.377 mm 0.377 mm 304. ONSALA60 EG 1982.12.19-03:59:36.936 -0.008 mm 0.377 mm 0.377 mm 305. ONSALA60 NG 1982.12.19-11:59:36.936 -0.029 mm 0.422 mm 0.422 mm 306. ONSALA60 EG 1982.12.19-11:59:36.936 -0.011 mm 0.422 mm 0.422 mm 307. OVRO_130 7207 NOAM X Comp -2409600868.31 mm 18.693 mm 10.327 mm 10.333 mm 308. OVRO_130 7207 NOAM Y Comp -4478349458.02 mm 5.978 mm 19.948 mm 19.960 mm 309. OVRO_130 7207 NOAM Z Comp 3838603247.77 mm 59.773 mm 18.206 mm 18.217 mm OVRO_130 7207 U Comp 24.92 mm 24.922 mm 23.950 mm 21.204 mm OVRO_130 7207 E Comp 13.63 mm 13.629 mm 11.230 mm 9.943 mm OVRO_130 7207 N Comp 56.13 mm 56.135 mm 11.674 mm 10.336 mm 310. OVRO_130 CL 0 1982.12.18-12:00:36.936 -12434.018 ns 0.412 ns 0.412 ns 311. OVRO_130 CL 1 1982.12.18-12:00:36.936 -45.828 D-14 2.455 D-14 2.456 D-14 312. OVRO_130 CL 2 1982.12.18-12:00:36.936 1.856 D-14/day 2.016 D-14/day 2.017 D-14/day 337. OVRO_130 AT 0 1982.12.18-12:00:36.936 -144.288 ps 100.978 ps 101.039 ps OVRO_130 Atm 1982.12.19-00:01:09.120 Avg: -72.623 ps Rms: 47.691 ps Tot_Rms: 86.882 ps || Nat: 174 Dura: 85738.0 sec Tzd_avg: 6840.4 Tzd_rms: 6.0 Wzd_avg: 131.7 Wzd_rms: 7.2 ps Prs_avg: 88499. Pa Tem_avg: 2.9 C Stm_avg: -7.6 C Stm_rms: 6.6 K Spr_avg: 151. Spr_rms: 41. Pa 410. OVRO_130 NG 1982.12.18-11:59:36.936 0.011 mm 0.422 mm 0.423 mm 411. OVRO_130 EG 1982.12.18-11:59:36.936 -0.001 mm 0.422 mm 0.423 mm 412. OVRO_130 NG 1982.12.18-19:59:36.936 0.008 mm 0.377 mm 0.377 mm 413. OVRO_130 EG 1982.12.18-19:59:36.936 -0.004 mm 0.377 mm 0.377 mm 414. OVRO_130 NG 1982.12.19-03:59:36.936 -0.011 mm 0.377 mm 0.377 mm 415. OVRO_130 EG 1982.12.19-03:59:36.936 0.029 mm 0.376 mm 0.377 mm 416. OVRO_130 NG 1982.12.19-11:59:36.936 0.035 mm 0.422 mm 0.422 mm 417. OVRO_130 EG 1982.12.19-11:59:36.936 0.046 mm 0.421 mm 0.421 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 18.36 ps/h NRMS 0.37 share 0.79 count 73 2. HRAS_085 Input 50.00 ps/h RMS 24.33 ps/h NRMS 0.49 share 0.81 count 73 3. ONSALA60 Input 50.00 ps/h RMS 20.80 ps/h NRMS 0.42 share 0.68 count 73 5. OVRO_130 Input 50.00 ps/h RMS 20.31 ps/h NRMS 0.41 share 0.81 count 73 Overall RMS 21.06 ps/h NRMS 0.42 share 0.77 count 292 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 1.08 D-14 NRMS 0.22 share 0.23 count 25 3. ONSALA60 Input 5.00 D-14 RMS 2.21 D-14 NRMS 0.44 share 0.39 count 25 5. OVRO_130 Input 5.00 D-14 RMS 1.35 D-14 NRMS 0.27 share 0.21 count 25 Overall RMS 1.62 D-14 NRMS 0.32 share 0.27 count 75 418. UT1-TAI 1, 1982.12.18-23:57:00.000 -2.0221 ms/d 123.64 micros/d 184.98 micros/d 185.09 micros/d EOP epoch (TDT) MJD: 45321.998289 NUT epoch (TDT) MJD: 45321.897953 419. Nutation DPSI wrt apriori model 1982.12.18-23:57:05.256 5.726 mas 1683.5 microasec 1684.5 microasec Nutation Dx wrt apriori model 1982.12.18-23:57:05.256 2.278 mas 667.0 microasec 667.4 microasec Nutation DPSI wrt Wahr 1980 model 1982.12.18-23:57:05.256 8.022 mas 1683.5 microasec 1684.5 microasec 420. Nutation DEPS wrt apriori model 1982.12.18-23:57:05.256 0.049 mas 720.6 microasec 721.0 microasec Nutation Dy wrt apriori model 1982.12.18-23:57:05.256 0.058 mas 723.1 microasec 723.6 microasec Nutation DEPS wrt Wahr 1980 model 1982.12.18-23:57:05.256 3.040 mas 720.6 microasec 721.0 microasec 421. HAYSTACK ONSALA60 Clock offset -11.994 ps 11.765 ps 11.772 ps 422. HAYSTACK OVRO_130 Clock offset -18.255 ps 7.225 ps 7.230 ps 423. ONSALA60 OVRO_130 Clock offset 2.008 ps 11.212 ps 11.219 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0371 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.12.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640997.85 11.77 3135640997.85 11.77 142.06 10.71 -127.00 46.24 HAYSTACK 7205 to ONSALA60 7213 5599714499.12 15.01 5599714499.12 15.01 118.24 15.50 -153.86 56.79 HAYSTACK 7205 to OVRO_130 7207 3928881649.91 11.83 3928881649.91 11.83 29.11 14.41 -175.87 38.41 HRAS_085 7216 to ONSALA60 7213 7940732208.77 31.48 7940732208.77 31.48 317.07 25.45 -34.71 63.57 HRAS_085 7216 to OVRO_130 7207 1508195390.55 6.85 1508195390.55 6.85 16.87 6.97 -17.63 40.08 ONSALA60 7213 to OVRO_130 7207 7914131015.11 27.79 7914131015.11 27.79 216.50 28.55 -29.05 57.16 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:49 Correlator type: Unknown Experiment code: pol090 Mark-3 db_name: $82DEC20XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821220_a Ver 2 pol090 Matrix Condition Number = 1.634086087392409E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.8 6.1 839.0 0.7 28.9 22.6 WESTFORD MET 0.7 0.7 995.2 1.6 76.9 21.1 Run 26091-1738 224 Observation Pairs Available Session started on: 2445324.240300 1982.12.20 17:46:01.920 UTC Nominal duration: 86702.400 sec 01 00:05:02.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 176 51.072 ps 0.88 1.0379 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 177 Number of potentially good observations with QC 5-9: 177 Number of used observations: 176 ( 99.44%) Number of suppressed observations: 1 ( 0.56%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 176 177 51.072 0.88 19821220_a pol090 1982.12.21-05:48:33.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 13 62.147 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 0212+735 J0217+7349 10 10 14 142.970 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 0234+285 J0237+2848 15 15 15 60.776 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 0552+398 J0555+3948 18 18 18 62.309 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 1637+574 J1638+5720 8 8 16 99.749 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 2134+00 J2136+0041 4 5 16 96.084 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 3C273B J1229+0203 15 15 15 33.279 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 3C345 J1642+3948 21 21 21 19.527 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 3C454.3 J2253+1608 13 13 15 27.057 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: 4C39.25 J0927+3902 8 8 15 94.663 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: NRAO150 J0359+5057 16 16 16 91.793 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: OJ287 J0854+2006 15 15 15 45.394 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: OQ208 J1407+2827 17 17 22 91.993 19821220_a pol090 1982.12.21-05:48:33.120 SRC_STAT: VR422201 J2202+4216 4 4 13 77.003 19821220_a pol090 1982.12.21-05:48:33.120 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.12.21-05:48:00 1. HRAS_085 7216 NOAM X Comp -1324211064.74 mm -47.737 mm 5.384 mm 5.485 mm 2. HRAS_085 7216 NOAM Y Comp -5332023135.87 mm -53.873 mm 21.621 mm 22.027 mm 3. HRAS_085 7216 NOAM Z Comp 3232118400.69 mm 93.693 mm 15.858 mm 16.156 mm HRAS_085 7216 U Comp 102.63 mm 102.632 mm 26.352 mm 23.286 mm HRAS_085 7216 E Comp -33.34 mm -33.344 mm 5.762 mm 5.091 mm HRAS_085 7216 N Comp 48.11 mm 48.108 mm 4.507 mm 3.983 mm 4. HRAS_085 CL 0 1982.12.20-17:45:29.736 15007.296 ns 0.330 ns 0.336 ns 5. HRAS_085 CL 1 1982.12.20-17:45:29.736 -32.252 D-14 2.217 D-14 2.259 D-14 6. HRAS_085 CL 2 1982.12.20-17:45:29.736 0.212 D-14/day 1.881 D-14/day 1.916 D-14/day 32. HRAS_085 AT 0 1982.12.20-17:45:29.736 -142.018 ps 85.296 ps 86.898 ps HRAS_085 Atm 1982.12.21-06:16:01.920 Avg: -140.685 ps Rms: 19.882 ps Tot_Rms: 142.082 ps || Nat: 224 Dura: 86700.0 sec Tzd_avg: 6507.3 Tzd_rms: 14.3 Wzd_avg: 128.2 Wzd_rms: 15.3 ps Prs_avg: 83897. Pa Tem_avg: 6.8 C Stm_avg: -8.3 C Stm_rms: 4.4 K Spr_avg: -47. Spr_rms: 74. Pa 108. HRAS_085 NG 1982.12.20-17:44:29.736 0.002 mm 0.422 mm 0.430 mm 109. HRAS_085 EG 1982.12.20-17:44:29.736 0.006 mm 0.422 mm 0.430 mm 110. HRAS_085 NG 1982.12.21-01:44:29.736 0.005 mm 0.377 mm 0.384 mm 111. HRAS_085 EG 1982.12.21-01:44:29.736 0.009 mm 0.377 mm 0.384 mm 112. HRAS_085 NG 1982.12.21-09:44:29.736 0.005 mm 0.377 mm 0.384 mm 113. HRAS_085 EG 1982.12.21-09:44:29.736 0.013 mm 0.377 mm 0.384 mm 114. HRAS_085 NG 1982.12.21-17:44:29.736 -0.010 mm 0.422 mm 0.430 mm 115. HRAS_085 EG 1982.12.21-17:44:29.736 -0.025 mm 0.422 mm 0.430 mm 116. WESTFORD 7209 NOAM X Comp 1492206590.74 mm 47.737 mm 5.384 mm 5.485 mm 117. WESTFORD 7209 NOAM Y Comp -4458130468.13 mm 53.873 mm 21.621 mm 22.027 mm 118. WESTFORD 7209 NOAM Z Comp 4296015453.31 mm -93.693 mm 15.858 mm 16.156 mm WESTFORD 7209 U Comp -89.88 mm -89.881 mm 25.160 mm 22.233 mm WESTFORD 7209 E Comp 62.37 mm 62.368 mm 10.026 mm 8.859 mm WESTFORD 7209 N Comp -44.62 mm -44.623 mm 3.794 mm 3.353 mm 119. WESTFORD AT 0 1982.12.20-17:45:29.736 63.088 ps 82.694 ps 84.247 ps WESTFORD Atm 1982.12.21-06:16:01.920 Avg: 34.851 ps Rms: 17.313 ps Tot_Rms: 38.914 ps || Nat: 224 Dura: 86700.0 sec Tzd_avg: 7687.4 Tzd_rms: 13.0 Wzd_avg: 198.5 Wzd_rms: 15.6 ps Prs_avg: 99521. Pa Tem_avg: 0.7 C Stm_avg: 3.0 C Stm_rms: 1.9 K Spr_avg: 804. Spr_rms: 39. Pa 195. WESTFORD NG 1982.12.20-17:44:29.736 -0.004 mm 0.422 mm 0.430 mm 196. WESTFORD EG 1982.12.20-17:44:29.736 -0.002 mm 0.422 mm 0.430 mm 197. WESTFORD NG 1982.12.21-01:44:29.736 -0.006 mm 0.377 mm 0.384 mm 198. WESTFORD EG 1982.12.21-01:44:29.736 0.000 mm 0.377 mm 0.384 mm 199. WESTFORD NG 1982.12.21-09:44:29.736 0.013 mm 0.377 mm 0.384 mm 200. WESTFORD EG 1982.12.21-09:44:29.736 -0.007 mm 0.377 mm 0.384 mm 201. WESTFORD NG 1982.12.21-17:44:29.736 0.013 mm 0.422 mm 0.430 mm 202. WESTFORD EG 1982.12.21-17:44:29.736 0.016 mm 0.422 mm 0.430 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.61 ps/h NRMS 0.19 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.32 ps/h NRMS 0.25 share 0.88 count 76 Overall RMS 11.05 ps/h NRMS 0.22 share 0.89 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.77 D-14 NRMS 0.35 share 0.26 count 26 Overall RMS 1.77 D-14 NRMS 0.35 share 0.26 count 26 203. UT1-TAI 1, 1982.12.21-05:48:00.000 -2.4374 ms/d 16.07 micros/d 305.64 micros/d 311.38 micros/d EOP epoch (TDT) MJD: 45324.242039 NUT epoch (TDT) MJD: 45324.312429 204. Nutation DPSI wrt apriori model 1982.12.21-05:48:00.936 -5.890 mas 1995.8 microasec 2033.3 microasec Nutation Dx wrt apriori model 1982.12.21-05:48:00.936 -2.347 mas 789.5 microasec 804.3 microasec Nutation DPSI wrt Wahr 1980 model 1982.12.21-05:48:00.936 -3.678 mas 1995.8 microasec 2033.3 microasec 205. Nutation DEPS wrt apriori model 1982.12.21-05:48:00.936 0.982 mas 1179.7 microasec 1201.9 microasec Nutation Dy wrt apriori model 1982.12.21-05:48:00.936 0.973 mas 1182.8 microasec 1205.0 microasec Nutation DEPS wrt Wahr 1980 model 1982.12.21-05:48:00.936 3.978 mas 1179.7 microasec 1201.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1264 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.12.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928028.42 11.50 3134928028.42 11.50 117.55 6.56 198.22 53.07 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:52 Correlator type: Unknown Experiment code: pol091 Mark-3 db_name: $82DEC27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19821227_a Ver 2 pol091 Matrix Condition Number = 2.927522680672667E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -3.5 3.4 837.8 0.9 73.0 23.2 WESTFORD MET 8.3 3.5 1012.9 5.1 24.1 20.7 Run 26091-1738 181 Observation Pairs Available Session started on: 2445331.581300 1982.12.28 01:57:04.320 UTC Nominal duration: 68592.960 sec 00 19:03:12.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 143 54.345 ps 0.87 1.0032 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 143 Number of potentially good observations with QC 5-9: 143 Number of used observations: 143 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 143 143 54.345 0.87 19821227_a pol091 1982.12.28-11:28:40.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 3 3 7 163.267 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 0212+735 J0217+7349 6 6 10 85.996 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 0234+285 J0237+2848 8 8 9 99.751 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 0552+398 J0555+3948 16 16 18 79.649 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 1637+574 J1638+5720 13 13 17 165.703 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 2134+00 J2136+0041 6 6 8 80.371 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 3C273B J1229+0203 15 15 16 31.360 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 3C345 J1642+3948 17 17 18 32.048 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 3C454.3 J2253+1608 7 7 7 19.156 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: 4C39.25 J0927+3902 6 6 15 50.967 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: NRAO150 J0359+5057 11 11 12 87.521 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: OJ287 J0854+2006 15 15 15 34.841 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: OQ208 J1407+2827 16 16 22 75.946 19821227_a pol091 1982.12.28-11:28:40.800 SRC_STAT: VR422201 J2202+4216 4 4 7 39.978 19821227_a pol091 1982.12.28-11:28:40.800 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1982.12.28-11:28:08 1. HRAS_085 7216 NOAM X Comp -1324211068.15 mm -51.147 mm 6.050 mm 6.059 mm 2. HRAS_085 7216 NOAM Y Comp -5332023117.71 mm -35.714 mm 25.655 mm 25.695 mm 3. HRAS_085 7216 NOAM Z Comp 3232118382.47 mm 75.467 mm 20.044 mm 20.076 mm HRAS_085 7216 U Comp 78.89 mm 78.888 mm 31.429 mm 27.388 mm HRAS_085 7216 E Comp -41.03 mm -41.031 mm 8.142 mm 7.095 mm HRAS_085 7216 N Comp 40.99 mm 40.988 mm 6.516 mm 5.678 mm 4. HRAS_085 CL 0 1982.12.28-01:56:32.136 14777.038 ns 0.396 ns 0.396 ns 5. HRAS_085 CL 1 1982.12.28-01:56:32.136 -4.796 D-14 2.500 D-14 2.504 D-14 6. HRAS_085 CL 2 1982.12.28-01:56:32.136 14.044 D-14/day 2.639 D-14/day 2.643 D-14/day 26. HRAS_085 AT 0 1982.12.28-01:56:32.136 -94.511 ps 87.527 ps 87.666 ps HRAS_085 Atm 1982.12.28-11:27:04.320 Avg: -78.792 ps Rms: 23.875 ps Tot_Rms: 82.330 ps || Nat: 181 Dura: 68590.0 sec Tzd_avg: 6510.4 Tzd_rms: 35.2 Wzd_avg: 141.1 Wzd_rms: 29.0 ps Prs_avg: 83780. Pa Tem_avg: -3.5 C Stm_avg: -5.5 C Stm_rms: 1.9 K Spr_avg: -40. Spr_rms: 65. Pa 84. HRAS_085 NG 1982.12.28-01:55:32.136 -0.027 mm 0.423 mm 0.423 mm 85. HRAS_085 EG 1982.12.28-01:55:32.136 -0.026 mm 0.423 mm 0.423 mm 86. HRAS_085 NG 1982.12.28-09:55:32.136 -0.013 mm 0.381 mm 0.382 mm 87. HRAS_085 EG 1982.12.28-09:55:32.136 0.012 mm 0.381 mm 0.382 mm 88. HRAS_085 NG 1982.12.28-17:55:32.136 -0.008 mm 0.423 mm 0.423 mm 89. HRAS_085 EG 1982.12.28-17:55:32.136 -0.008 mm 0.423 mm 0.423 mm 90. WESTFORD 7209 NOAM X Comp 1492206594.15 mm 51.147 mm 6.050 mm 6.059 mm 91. WESTFORD 7209 NOAM Y Comp -4458130486.29 mm 35.714 mm 25.655 mm 25.695 mm 92. WESTFORD 7209 NOAM Z Comp 4296015471.53 mm -75.467 mm 20.044 mm 20.076 mm WESTFORD 7209 U Comp -64.07 mm -64.071 mm 31.086 mm 27.090 mm WESTFORD 7209 E Comp 59.84 mm 59.838 mm 10.367 mm 9.034 mm WESTFORD 7209 N Comp -43.60 mm -43.602 mm 4.763 mm 4.150 mm 93. WESTFORD AT 0 1982.12.28-01:56:32.136 99.115 ps 78.825 ps 78.950 ps WESTFORD Atm 1982.12.28-11:27:04.320 Avg: 8.378 ps Rms: 44.712 ps Tot_Rms: 45.490 ps || Nat: 181 Dura: 68590.0 sec Tzd_avg: 8121.8 Tzd_rms: 85.4 Wzd_avg: 504.9 Wzd_rms: 86.9 ps Prs_avg: 101287. Pa Tem_avg: 8.3 C Stm_avg: 2.2 C Stm_rms: 0.7 K Spr_avg: 751. Spr_rms: 53. Pa 151. WESTFORD NG 1982.12.28-01:55:32.136 0.011 mm 0.423 mm 0.423 mm 152. WESTFORD EG 1982.12.28-01:55:32.136 0.016 mm 0.423 mm 0.423 mm 153. WESTFORD NG 1982.12.28-09:55:32.136 0.009 mm 0.381 mm 0.382 mm 154. WESTFORD EG 1982.12.28-09:55:32.136 -0.020 mm 0.381 mm 0.382 mm 155. WESTFORD NG 1982.12.28-17:55:32.136 0.005 mm 0.423 mm 0.423 mm 156. WESTFORD EG 1982.12.28-17:55:32.136 -0.021 mm 0.423 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.10 ps/h NRMS 0.22 share 0.90 count 58 2. WESTFORD Input 50.00 ps/h RMS 13.82 ps/h NRMS 0.28 share 0.89 count 58 Overall RMS 12.53 ps/h NRMS 0.25 share 0.90 count 116 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.57 count 6 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.57 count 6 Overall RMS 0.06 mm/d NRMS 0.03 share 0.57 count 12 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.05 D-14 NRMS 0.41 share 0.27 count 20 Overall RMS 2.05 D-14 NRMS 0.41 share 0.27 count 20 157. UT1-TAI 1, 1982.12.28-11:28:00.000 -2.9756 ms/d -389.53 micros/d 465.86 micros/d 466.60 micros/d EOP epoch (TDT) MJD: 45331.478150 NUT epoch (TDT) MJD: 45331.513296 158. Nutation DPSI wrt apriori model 1982.12.28-11:28:08.616 -1.714 mas 4150.2 microasec 4156.8 microasec Nutation Dx wrt apriori model 1982.12.28-11:28:08.616 -0.684 mas 1647.5 microasec 1650.1 microasec Nutation DPSI wrt Wahr 1980 model 1982.12.28-11:28:08.616 -0.203 mas 4150.2 microasec 4156.8 microasec 159. Nutation DEPS wrt apriori model 1982.12.28-11:28:08.616 0.609 mas 930.7 microasec 932.2 microasec Nutation Dy wrt apriori model 1982.12.28-11:28:08.616 0.607 mas 937.0 microasec 938.5 microasec Nutation DEPS wrt Wahr 1980 model 1982.12.28-11:28:08.616 4.290 mas 930.7 microasec 932.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0852 1 Baseline information for run 26091-173 Monument to monument values at epoch 1982.12.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928036.79 12.75 3134928036.79 12.75 114.17 8.67 147.11 64.41 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:55 Correlator type: Unknown Experiment code: pol092 Mark-3 db_name: $83JAN03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830103_a Ver 2 pol092 Matrix Condition Number = 1.759683577898550E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 2.3 1.7 840.7 0.9 65.7 5.0 WESTFORD MET -5.9 5.3 1020.5 8.4 20.2 1.1 Run 26091-1738 236 Observation Pairs Available Session started on: 2445338.250800 1983.01.03 18:01:09.120 UTC Nominal duration: 88128.000 sec 01 00:28:48.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 207 39.841 ps 0.87 1.0175 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 212 Number of potentially good observations with QC 5-9: 212 Number of used observations: 207 ( 97.64%) Number of suppressed observations: 5 ( 2.36%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 207 212 39.841 0.87 19830103_a pol092 1983.01.04-06:15:33.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 14 53.307 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 0212+735 J0217+7349 12 13 15 69.305 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 0234+285 J0237+2848 15 15 15 60.502 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 0552+398 J0555+3948 19 19 19 62.267 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 1637+574 J1638+5720 13 16 21 140.031 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 2134+00 J2136+0041 12 12 16 36.561 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 3C273B J1229+0203 16 16 17 13.156 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 3C345 J1642+3948 20 20 20 23.369 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 3C454.3 J2253+1608 16 16 16 26.064 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: 4C39.25 J0927+3902 9 10 14 49.372 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: NRAO150 J0359+5057 16 16 16 56.948 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: OJ287 J0854+2006 17 17 17 31.440 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: OQ208 J1407+2827 19 19 21 80.672 19830103_a pol092 1983.01.04-06:15:33.120 SRC_STAT: VR422201 J2202+4216 9 9 15 111.046 19830103_a pol092 1983.01.04-06:15:33.120 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.01.04-06:15:00 1. HRAS_085 7216 NOAM X Comp -1324211067.25 mm -50.251 mm 3.500 mm 3.531 mm 2. HRAS_085 7216 NOAM Y Comp -5332023119.91 mm -37.912 mm 14.228 mm 14.353 mm 3. HRAS_085 7216 NOAM Z Comp 3232118394.80 mm 87.798 mm 10.963 mm 11.058 mm HRAS_085 7216 U Comp 86.82 mm 86.821 mm 17.391 mm 15.126 mm HRAS_085 7216 E Comp -39.63 mm -39.632 mm 4.496 mm 3.911 mm HRAS_085 7216 N Comp 50.62 mm 50.620 mm 3.493 mm 3.038 mm 4. HRAS_085 CL 0 1983.01.03-18:00:36.936 13985.833 ns 0.192 ns 0.194 ns 5. HRAS_085 CL 1 1983.01.03-18:00:36.936 -57.271 D-14 2.071 D-14 2.090 D-14 6. HRAS_085 CL 2 1983.01.03-18:00:36.936 3.506 D-14/day 1.740 D-14/day 1.755 D-14/day 32. HRAS_085 AT 0 1983.01.03-18:00:36.936 -69.765 ps 44.131 ps 44.516 ps HRAS_085 Atm 1983.01.04-06:31:09.120 Avg: -90.960 ps Rms: 16.865 ps Tot_Rms: 92.510 ps || Nat: 236 Dura: 88130.0 sec Tzd_avg: 6501.5 Tzd_rms: 8.1 Wzd_avg: 105.9 Wzd_rms: 5.3 ps Prs_avg: 84074. Pa Tem_avg: 2.3 C Stm_avg: -1.3 C Stm_rms: 1.1 K Spr_avg: -78. Spr_rms: 53. Pa 108. HRAS_085 NG 1983.01.03-17:59:36.936 -0.023 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1983.01.03-17:59:36.936 -0.009 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1983.01.04-01:59:36.936 -0.010 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1983.01.04-01:59:36.936 -0.001 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1983.01.04-09:59:36.936 0.024 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1983.01.04-09:59:36.936 0.040 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1983.01.04-17:59:36.936 -0.002 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1983.01.04-17:59:36.936 0.013 mm 0.422 mm 0.426 mm 116. WESTFORD 7209 NOAM X Comp 1492206593.25 mm 50.251 mm 3.500 mm 3.531 mm 117. WESTFORD 7209 NOAM Y Comp -4458130484.09 mm 37.912 mm 14.228 mm 14.353 mm 118. WESTFORD 7209 NOAM Z Comp 4296015459.20 mm -87.798 mm 10.963 mm 11.058 mm WESTFORD 7209 U Comp -74.16 mm -74.163 mm 17.106 mm 14.878 mm WESTFORD 7209 E Comp 59.69 mm 59.686 mm 5.948 mm 5.174 mm WESTFORD 7209 N Comp -51.07 mm -51.073 mm 2.622 mm 2.280 mm 119. WESTFORD AT 0 1983.01.03-18:00:36.936 -21.149 ps 47.428 ps 47.842 ps WESTFORD Atm 1983.01.04-06:31:09.120 Avg: 0.305 ps Rms: 18.759 ps Tot_Rms: 18.761 ps || Nat: 236 Dura: 88130.0 sec Tzd_avg: 7741.4 Tzd_rms: 36.4 Wzd_avg: 55.1 Wzd_rms: 29.1 ps Prs_avg: 102050. Pa Tem_avg: -5.9 C Stm_avg: 1.3 C Stm_rms: 1.1 K Spr_avg: 791. Spr_rms: 66. Pa 195. WESTFORD NG 1983.01.03-17:59:36.936 0.009 mm 0.422 mm 0.426 mm 196. WESTFORD EG 1983.01.03-17:59:36.936 0.015 mm 0.422 mm 0.426 mm 197. WESTFORD NG 1983.01.04-01:59:36.936 -0.005 mm 0.377 mm 0.380 mm 198. WESTFORD EG 1983.01.04-01:59:36.936 0.017 mm 0.377 mm 0.380 mm 199. WESTFORD NG 1983.01.04-09:59:36.936 0.004 mm 0.377 mm 0.380 mm 200. WESTFORD EG 1983.01.04-09:59:36.936 -0.015 mm 0.377 mm 0.380 mm 201. WESTFORD NG 1983.01.04-17:59:36.936 0.017 mm 0.422 mm 0.426 mm 202. WESTFORD EG 1983.01.04-17:59:36.936 0.008 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.80 ps/h NRMS 0.28 share 0.86 count 76 2. WESTFORD Input 50.00 ps/h RMS 16.14 ps/h NRMS 0.32 share 0.82 count 76 Overall RMS 15.02 ps/h NRMS 0.30 share 0.84 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.91 D-14 NRMS 0.58 share 0.20 count 26 Overall RMS 2.91 D-14 NRMS 0.58 share 0.20 count 26 203. UT1-TAI 1, 1983.01.04-06:15:00.000 -2.9816 ms/d -69.66 micros/d 180.14 micros/d 181.72 micros/d EOP epoch (TDT) MJD: 45338.260789 NUT epoch (TDT) MJD: 45338.261561 204. Nutation DPSI wrt apriori model 1983.01.04-06:15:00.936 0.246 mas 1307.9 microasec 1319.3 microasec Nutation Dx wrt apriori model 1983.01.04-06:15:00.936 0.095 mas 517.4 microasec 521.9 microasec Nutation DPSI wrt Wahr 1980 model 1983.01.04-06:15:00.936 3.450 mas 1307.9 microasec 1319.3 microasec 205. Nutation DEPS wrt apriori model 1983.01.04-06:15:00.936 0.661 mas 772.8 microasec 779.6 microasec Nutation Dy wrt apriori model 1983.01.04-06:15:00.936 0.662 mas 774.8 microasec 781.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.01.04-06:15:00.936 4.115 mas 772.8 microasec 779.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0913 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.01.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928028.04 7.36 3134928028.04 7.36 128.65 4.73 165.67 35.54 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1738 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:38:58 Correlator type: Unknown Experiment code: pol093 Mark-3 db_name: $83JAN10X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830110_a Ver 2 pol093 Matrix Condition Number = 2.123723921694627E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.1 2.4 840.6 2.0 19.8 4.2 WESTFORD MET 6.9 5.2 1006.2 11.8 33.7 23.5 Run 26091-1738 221 Observation Pairs Available Session started on: 2445345.251400 1983.01.10 18:02:00.960 UTC Nominal duration: 85389.120 sec 00 23:43:09.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 184 35.077 ps 0.84 0.9458 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 186 Number of potentially good observations with QC 5-9: 186 Number of used observations: 184 ( 98.92%) Number of suppressed observations: 2 ( 1.08%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 184 186 35.077 0.84 19830110_a pol093 1983.01.11-05:53:35.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 14 62.684 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 0212+735 J0217+7349 8 8 15 168.568 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 0234+285 J0237+2848 15 15 15 67.098 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 0552+398 J0555+3948 16 16 17 64.523 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 1637+574 J1638+5720 17 17 19 87.928 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 2134+00 J2136+0041 11 11 15 37.160 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 3C273B J1229+0203 14 14 14 18.743 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 3C345 J1642+3948 20 20 20 14.837 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 3C454.3 J2253+1608 15 15 15 12.575 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: 4C39.25 J0927+3902 3 3 14 47.950 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: NRAO150 J0359+5057 15 15 15 76.287 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: OJ287 J0854+2006 14 14 15 29.072 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: OQ208 J1407+2827 16 18 21 103.423 19830110_a pol093 1983.01.11-05:53:35.520 SRC_STAT: VR422201 J2202+4216 6 6 12 44.453 19830110_a pol093 1983.01.11-05:53:35.520 ------------------------------------------------ Parameter adjustments for run 26091-1738 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.01.11-05:53:03 1. HRAS_085 7216 NOAM X Comp -1324211075.26 mm -58.259 mm 3.987 mm 3.877 mm 2. HRAS_085 7216 NOAM Y Comp -5332023118.21 mm -36.210 mm 16.104 mm 15.661 mm 3. HRAS_085 7216 NOAM Z Comp 3232118399.51 mm 92.515 mm 12.306 mm 11.968 mm HRAS_085 7216 U Comp 89.46 mm 89.464 mm 19.594 mm 16.387 mm HRAS_085 7216 E Comp -47.81 mm -47.814 mm 5.290 mm 4.424 mm HRAS_085 7216 N Comp 54.54 mm 54.537 mm 3.842 mm 3.213 mm 4. HRAS_085 CL 0 1983.01.10-18:01:28.776 13580.260 ns 0.212 ns 0.206 ns 5. HRAS_085 CL 1 1983.01.10-18:01:28.776 -85.317 D-14 2.140 D-14 2.082 D-14 6. HRAS_085 CL 2 1983.01.10-18:01:28.776 5.119 D-14/day 1.849 D-14/day 1.798 D-14/day 31. HRAS_085 AT 0 1983.01.10-18:01:28.776 -84.941 ps 49.001 ps 47.654 ps HRAS_085 Atm 1983.01.11-06:02:00.960 Avg: -68.814 ps Rms: 13.966 ps Tot_Rms: 70.217 ps || Nat: 221 Dura: 85390.0 sec Tzd_avg: 6455.5 Tzd_rms: 16.1 Wzd_avg: 57.6 Wzd_rms: 9.4 ps Prs_avg: 84058. Pa Tem_avg: 8.1 C Stm_avg: -0.1 C Stm_rms: 2.2 K Spr_avg: -103. Spr_rms: 95. Pa 104. HRAS_085 NG 1983.01.10-18:00:28.776 -0.013 mm 0.422 mm 0.411 mm 105. HRAS_085 EG 1983.01.10-18:00:28.776 0.003 mm 0.422 mm 0.411 mm 106. HRAS_085 NG 1983.01.11-02:00:28.776 -0.003 mm 0.377 mm 0.367 mm 107. HRAS_085 EG 1983.01.11-02:00:28.776 -0.005 mm 0.377 mm 0.366 mm 108. HRAS_085 NG 1983.01.11-10:00:28.776 0.021 mm 0.377 mm 0.367 mm 109. HRAS_085 EG 1983.01.11-10:00:28.776 0.018 mm 0.377 mm 0.366 mm 110. HRAS_085 NG 1983.01.11-18:00:28.776 0.003 mm 0.422 mm 0.411 mm 111. HRAS_085 EG 1983.01.11-18:00:28.776 0.013 mm 0.422 mm 0.411 mm 112. WESTFORD 7209 NOAM X Comp 1492206601.26 mm 58.259 mm 3.987 mm 3.877 mm 113. WESTFORD 7209 NOAM Y Comp -4458130485.79 mm 36.210 mm 16.104 mm 15.661 mm 114. WESTFORD 7209 NOAM Z Comp 4296015454.49 mm -92.515 mm 12.306 mm 11.968 mm WESTFORD 7209 U Comp -74.30 mm -74.298 mm 19.348 mm 16.181 mm WESTFORD 7209 E Comp 66.74 mm 66.740 mm 6.563 mm 5.488 mm WESTFORD 7209 N Comp -57.36 mm -57.358 mm 3.043 mm 2.545 mm 115. WESTFORD AT 0 1983.01.10-18:01:28.776 22.427 ps 60.208 ps 58.554 ps WESTFORD Atm 1983.01.11-06:02:00.960 Avg: -48.715 ps Rms: 95.487 ps Tot_Rms: 107.195 ps || Nat: 221 Dura: 85390.0 sec Tzd_avg: 8034.6 Tzd_rms: 77.5 Wzd_avg: 466.3 Wzd_rms: 127.4 ps Prs_avg: 100616. Pa Tem_avg: 6.9 C Stm_avg: -0.1 C Stm_rms: 1.3 K Spr_avg: 736. Spr_rms: 107. Pa 188. WESTFORD NG 1983.01.10-18:00:28.776 0.008 mm 0.422 mm 0.411 mm 189. WESTFORD EG 1983.01.10-18:00:28.776 0.020 mm 0.422 mm 0.411 mm 190. WESTFORD NG 1983.01.11-02:00:28.776 0.005 mm 0.377 mm 0.367 mm 191. WESTFORD EG 1983.01.11-02:00:28.776 0.024 mm 0.377 mm 0.366 mm 192. WESTFORD NG 1983.01.11-10:00:28.776 0.010 mm 0.377 mm 0.367 mm 193. WESTFORD EG 1983.01.11-10:00:28.776 -0.026 mm 0.377 mm 0.366 mm 194. WESTFORD NG 1983.01.11-18:00:28.776 0.014 mm 0.422 mm 0.411 mm 195. WESTFORD EG 1983.01.11-18:00:28.776 -0.018 mm 0.422 mm 0.410 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.18 ps/h NRMS 0.30 share 0.87 count 73 2. WESTFORD Input 50.00 ps/h RMS 24.86 ps/h NRMS 0.50 share 0.84 count 73 Overall RMS 20.60 ps/h NRMS 0.41 share 0.86 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.66 D-14 NRMS 0.53 share 0.23 count 25 Overall RMS 2.66 D-14 NRMS 0.53 share 0.23 count 25 196. UT1-TAI 1, 1983.01.11-05:53:00.000 -2.2592 ms/d -71.93 micros/d 199.66 micros/d 194.18 micros/d EOP epoch (TDT) MJD: 45345.245511 NUT epoch (TDT) MJD: 45345.239443 197. Nutation DPSI wrt apriori model 1983.01.11-05:53:03.336 0.660 mas 1604.5 microasec 1560.4 microasec Nutation Dx wrt apriori model 1983.01.11-05:53:03.336 0.263 mas 634.7 microasec 617.3 microasec Nutation DPSI wrt Wahr 1980 model 1983.01.11-05:53:03.336 2.899 mas 1604.5 microasec 1560.4 microasec 198. Nutation DEPS wrt apriori model 1983.01.11-05:53:03.336 -0.188 mas 937.5 microasec 911.7 microasec Nutation Dy wrt apriori model 1983.01.11-05:53:03.336 -0.187 mas 939.9 microasec 914.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.01.11-05:53:03.336 3.282 mas 937.5 microasec 911.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0240 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.01.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928038.28 8.12 3134928038.28 8.12 144.29 5.58 168.48 40.12 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:01 Correlator type: Unknown Experiment code: pol094 Mark-3 db_name: $83JAN17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830117_a Ver 2 pol094 Matrix Condition Number = 1.682719214139356E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.1 2.5 835.0 1.0 66.7 3.4 WESTFORD MET -7.3 2.5 1000.5 2.6 26.4 0.1 Run 26091-1739 115 Observation Pairs Available Session started on: 2445352.252600 1983.01.17 18:03:44.640 UTC Nominal duration: 87082.560 sec 01 00:11:22.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 88 36.987 ps 0.77 1.0641 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 91 Number of potentially good observations with QC 5-9: 91 Number of used observations: 88 ( 96.70%) Number of suppressed observations: 3 ( 3.30%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 88 91 36.987 0.77 19830117_a pol094 1983.01.18-06:09:25.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 10 77.059 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 0212+735 J0217+7349 5 5 6 96.366 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 0234+285 J0237+2848 7 7 8 37.178 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 0552+398 J0555+3948 6 7 8 28.331 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 1637+574 J1638+5720 7 7 7 141.059 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 2134+00 J2136+0041 2 3 8 64.479 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 3C273B J1229+0203 9 9 9 14.961 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 3C345 J1642+3948 6 6 7 25.165 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 3C454.3 J2253+1608 9 9 9 12.510 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: 4C39.25 J0927+3902 3 3 10 59.212 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: NRAO150 J0359+5057 5 5 6 46.682 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: OJ287 J0854+2006 11 11 11 35.889 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: OQ208 J1407+2827 6 6 9 49.356 19830117_a pol094 1983.01.18-06:09:25.920 SRC_STAT: VR422201 J2202+4216 3 4 7 33.014 19830117_a pol094 1983.01.18-06:09:25.920 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.01.18-06:08:53 1. HRAS_085 7216 NOAM X Comp -1324211058.47 mm -41.472 mm 6.452 mm 6.656 mm 2. HRAS_085 7216 NOAM Y Comp -5332023147.49 mm -65.485 mm 21.770 mm 22.457 mm 3. HRAS_085 7216 NOAM Z Comp 3232118368.86 mm 61.865 mm 15.655 mm 16.149 mm HRAS_085 7216 U Comp 94.81 mm 94.810 mm 26.416 mm 20.394 mm HRAS_085 7216 E Comp -24.47 mm -24.466 mm 6.218 mm 4.800 mm HRAS_085 7216 N Comp 15.75 mm 15.748 mm 4.915 mm 3.795 mm 4. HRAS_085 CL 0 1983.01.17-18:03:12.456 12937.679 ns 0.266 ns 0.274 ns 5. HRAS_085 CL 1 1983.01.17-18:03:12.456 -103.175 D-14 2.186 D-14 2.255 D-14 6. HRAS_085 CL 2 1983.01.17-18:03:12.456 0.725 D-14/day 1.831 D-14/day 1.889 D-14/day 32. HRAS_085 AT 0 1983.01.17-18:03:12.456 80.419 ps 58.022 ps 59.853 ps HRAS_085 Atm 1983.01.18-06:33:44.640 Avg: -44.202 ps Rms: 64.165 ps Tot_Rms: 77.916 ps || Nat: 115 Dura: 87090.0 sec Tzd_avg: 6667.1 Tzd_rms: 5.7 Wzd_avg: 323.1 Wzd_rms: 8.3 ps Prs_avg: 83502. Pa Tem_avg: 8.1 C Stm_avg: -1.4 C Stm_rms: 1.2 K Spr_avg: -65. Spr_rms: 45. Pa 108. HRAS_085 NG 1983.01.17-18:02:12.456 -0.005 mm 0.422 mm 0.436 mm 109. HRAS_085 EG 1983.01.17-18:02:12.456 -0.015 mm 0.422 mm 0.436 mm 110. HRAS_085 NG 1983.01.18-02:02:12.456 0.001 mm 0.377 mm 0.389 mm 111. HRAS_085 EG 1983.01.18-02:02:12.456 -0.009 mm 0.377 mm 0.389 mm 112. HRAS_085 NG 1983.01.18-10:02:12.456 0.004 mm 0.377 mm 0.389 mm 113. HRAS_085 EG 1983.01.18-10:02:12.456 0.003 mm 0.377 mm 0.389 mm 114. HRAS_085 NG 1983.01.18-18:02:12.456 -0.006 mm 0.422 mm 0.436 mm 115. HRAS_085 EG 1983.01.18-18:02:12.456 -0.001 mm 0.422 mm 0.436 mm 116. WESTFORD 7209 NOAM X Comp 1492206584.47 mm 41.472 mm 6.452 mm 6.656 mm 117. WESTFORD 7209 NOAM Y Comp -4458130456.51 mm 65.485 mm 21.770 mm 22.457 mm 118. WESTFORD 7209 NOAM Z Comp 4296015485.14 mm -61.865 mm 15.655 mm 16.149 mm WESTFORD 7209 U Comp -77.90 mm -77.899 mm 24.882 mm 19.210 mm WESTFORD 7209 E Comp 60.11 mm 60.113 mm 11.015 mm 8.503 mm WESTFORD 7209 N Comp -12.40 mm -12.398 mm 4.493 mm 3.469 mm 119. WESTFORD AT 0 1983.01.17-18:03:12.456 -54.692 ps 84.696 ps 87.368 ps WESTFORD Atm 1983.01.18-06:33:44.640 Avg: -60.382 ps Rms: 21.580 ps Tot_Rms: 64.122 ps || Nat: 115 Dura: 87090.0 sec Tzd_avg: 7624.6 Tzd_rms: 16.9 Wzd_avg: 91.5 Wzd_rms: 4.7 ps Prs_avg: 100047. Pa Tem_avg: -7.3 C Stm_avg: 3.0 C Stm_rms: 1.1 K Spr_avg: 791. Spr_rms: 48. Pa 195. WESTFORD NG 1983.01.17-18:02:12.456 -0.002 mm 0.422 mm 0.436 mm 196. WESTFORD EG 1983.01.17-18:02:12.456 0.012 mm 0.422 mm 0.436 mm 197. WESTFORD NG 1983.01.18-02:02:12.456 -0.009 mm 0.377 mm 0.389 mm 198. WESTFORD EG 1983.01.18-02:02:12.456 0.014 mm 0.377 mm 0.389 mm 199. WESTFORD NG 1983.01.18-10:02:12.456 -0.010 mm 0.377 mm 0.389 mm 200. WESTFORD EG 1983.01.18-10:02:12.456 0.002 mm 0.377 mm 0.389 mm 201. WESTFORD NG 1983.01.18-18:02:12.456 -0.003 mm 0.422 mm 0.436 mm 202. WESTFORD EG 1983.01.18-18:02:12.456 0.005 mm 0.422 mm 0.436 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.63 ps/h NRMS 0.23 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 11.20 ps/h NRMS 0.22 share 0.90 count 76 Overall RMS 11.41 ps/h NRMS 0.23 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.34 D-14 NRMS 0.47 share 0.31 count 26 Overall RMS 2.34 D-14 NRMS 0.47 share 0.31 count 26 203. UT1-TAI 1, 1983.01.18-06:09:00.000 -2.9494 ms/d 32.94 micros/d 321.68 micros/d 331.83 micros/d EOP epoch (TDT) MJD: 45352.256623 NUT epoch (TDT) MJD: 45352.286236 204. Nutation DPSI wrt apriori model 1983.01.18-06:08:53.736 0.173 mas 2637.7 microasec 2720.9 microasec Nutation Dx wrt apriori model 1983.01.18-06:08:53.736 0.073 mas 1044.8 microasec 1077.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.01.18-06:08:53.736 3.252 mas 2637.7 microasec 2720.9 microasec 205. Nutation DEPS wrt apriori model 1983.01.18-06:08:53.736 -1.072 mas 1178.2 microasec 1215.4 microasec Nutation Dy wrt apriori model 1983.01.18-06:08:53.736 -1.071 mas 1182.2 microasec 1219.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.01.18-06:08:53.736 2.183 mas 1178.2 microasec 1215.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3487 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.01.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928045.24 13.70 3134928045.24 13.70 53.87 8.02 177.97 52.82 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:04 Correlator type: Unknown Experiment code: pol095 Mark-3 db_name: $83JAN24XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830124_a Ver 2 pol095 Matrix Condition Number = 1.295450601134970E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 5.9 3.0 839.7 2.3 39.1 0.5 WESTFORD MET 4.3 1.0 1001.8 3.0 68.3 28.4 Run 26091-1739 229 Observation Pairs Available Session started on: 2445359.251400 1983.01.24 18:02:00.960 UTC Nominal duration: 85691.520 sec 00 23:48:11.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 194 54.678 ps 0.89 1.0184 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 195 Number of potentially good observations with QC 5-9: 195 Number of used observations: 194 ( 99.49%) Number of suppressed observations: 1 ( 0.51%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 194 195 54.678 0.89 19830124_a pol095 1983.01.25-05:56:06.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 13 13 78.867 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 0212+735 J0217+7349 13 13 15 103.084 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 0234+285 J0237+2848 15 15 15 75.744 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 0552+398 J0555+3948 19 19 19 80.901 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 1637+574 J1638+5720 8 8 19 150.631 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 2134+00 J2136+0041 12 12 16 45.670 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 3C273B J1229+0203 17 17 17 18.891 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 3C345 J1642+3948 21 21 21 31.950 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 3C454.3 J2253+1608 14 14 14 28.192 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: 4C39.25 J0927+3902 8 8 15 81.320 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: NRAO150 J0359+5057 16 16 16 78.081 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: OJ287 J0854+2006 16 16 16 43.472 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: OQ208 J1407+2827 17 17 21 82.024 19830124_a pol095 1983.01.25-05:56:06.720 SRC_STAT: VR422201 J2202+4216 6 6 12 134.921 19830124_a pol095 1983.01.25-05:56:06.720 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.01.25-05:55:34 1. HRAS_085 7216 NOAM X Comp -1324211061.24 mm -44.242 mm 4.366 mm 4.406 mm 2. HRAS_085 7216 NOAM Y Comp -5332023118.48 mm -36.482 mm 18.889 mm 19.063 mm 3. HRAS_085 7216 NOAM Z Comp 3232118384.44 mm 77.437 mm 14.624 mm 14.758 mm HRAS_085 7216 U Comp 79.10 mm 79.100 mm 23.029 mm 20.407 mm HRAS_085 7216 E Comp -34.14 mm -34.145 mm 6.201 mm 5.495 mm HRAS_085 7216 N Comp 43.15 mm 43.151 mm 4.575 mm 4.054 mm 4. HRAS_085 CL 0 1983.01.24-18:01:28.776 12508.561 ns 0.240 ns 0.242 ns 5. HRAS_085 CL 1 1983.01.24-18:01:28.776 -116.721 D-14 2.119 D-14 2.138 D-14 6. HRAS_085 CL 2 1983.01.24-18:01:28.776 1.649 D-14/day 1.841 D-14/day 1.858 D-14/day 31. HRAS_085 AT 0 1983.01.24-18:01:28.776 -0.204 ps 62.704 ps 63.279 ps HRAS_085 Atm 1983.01.25-06:02:00.960 Avg: -17.630 ps Rms: 37.052 ps Tot_Rms: 41.033 ps || Nat: 229 Dura: 85690.0 sec Tzd_avg: 6503.8 Tzd_rms: 10.4 Wzd_avg: 120.4 Wzd_rms: 19.7 ps Prs_avg: 83967. Pa Tem_avg: 5.9 C Stm_avg: -0.8 C Stm_rms: 1.7 K Spr_avg: -30. Spr_rms: 58. Pa 104. HRAS_085 NG 1983.01.24-18:00:28.776 -0.000 mm 0.422 mm 0.426 mm 105. HRAS_085 EG 1983.01.24-18:00:28.776 0.008 mm 0.422 mm 0.426 mm 106. HRAS_085 NG 1983.01.25-02:00:28.776 -0.006 mm 0.377 mm 0.380 mm 107. HRAS_085 EG 1983.01.25-02:00:28.776 0.003 mm 0.377 mm 0.380 mm 108. HRAS_085 NG 1983.01.25-10:00:28.776 0.010 mm 0.377 mm 0.380 mm 109. HRAS_085 EG 1983.01.25-10:00:28.776 0.022 mm 0.377 mm 0.380 mm 110. HRAS_085 NG 1983.01.25-18:00:28.776 -0.013 mm 0.422 mm 0.426 mm 111. HRAS_085 EG 1983.01.25-18:00:28.776 -0.008 mm 0.422 mm 0.426 mm 112. WESTFORD 7209 NOAM X Comp 1492206587.24 mm 44.242 mm 4.366 mm 4.406 mm 113. WESTFORD 7209 NOAM Y Comp -4458130485.52 mm 36.482 mm 18.889 mm 19.063 mm 114. WESTFORD 7209 NOAM Z Comp 4296015469.56 mm -77.437 mm 14.624 mm 14.758 mm WESTFORD 7209 U Comp -67.55 mm -67.553 mm 22.939 mm 20.328 mm WESTFORD 7209 E Comp 53.53 mm 53.534 mm 7.307 mm 6.475 mm WESTFORD 7209 N Comp -43.07 mm -43.074 mm 3.183 mm 2.821 mm 115. WESTFORD AT 0 1983.01.24-18:01:28.776 -12.828 ps 64.864 ps 65.459 ps WESTFORD Atm 1983.01.25-06:02:00.960 Avg: -17.452 ps Rms: 23.575 ps Tot_Rms: 29.332 ps || Nat: 229 Dura: 85690.0 sec Tzd_avg: 7738.6 Tzd_rms: 17.7 Wzd_avg: 197.7 Wzd_rms: 25.0 ps Prs_avg: 100182. Pa Tem_avg: 4.3 C Stm_avg: 3.1 C Stm_rms: 1.3 K Spr_avg: 780. Spr_rms: 40. Pa 188. WESTFORD NG 1983.01.24-18:00:28.776 -0.008 mm 0.422 mm 0.426 mm 189. WESTFORD EG 1983.01.24-18:00:28.776 -0.010 mm 0.422 mm 0.426 mm 190. WESTFORD NG 1983.01.25-02:00:28.776 -0.003 mm 0.377 mm 0.380 mm 191. WESTFORD EG 1983.01.25-02:00:28.776 -0.005 mm 0.377 mm 0.380 mm 192. WESTFORD NG 1983.01.25-10:00:28.776 -0.003 mm 0.377 mm 0.380 mm 193. WESTFORD EG 1983.01.25-10:00:28.776 0.010 mm 0.377 mm 0.380 mm 194. WESTFORD NG 1983.01.25-18:00:28.776 0.014 mm 0.422 mm 0.426 mm 195. WESTFORD EG 1983.01.25-18:00:28.776 0.033 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.90 ps/h NRMS 0.28 share 0.89 count 73 2. WESTFORD Input 50.00 ps/h RMS 12.56 ps/h NRMS 0.25 share 0.88 count 73 Overall RMS 13.25 ps/h NRMS 0.26 share 0.88 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.83 D-14 NRMS 0.37 share 0.22 count 25 Overall RMS 1.83 D-14 NRMS 0.37 share 0.22 count 25 196. UT1-TAI 1, 1983.01.25-05:56:00.000 -2.8761 ms/d 201.04 micros/d 155.66 micros/d 157.09 micros/d EOP epoch (TDT) MJD: 45359.247595 NUT epoch (TDT) MJD: 45359.242612 197. Nutation DPSI wrt apriori model 1983.01.25-05:55:34.536 -0.742 mas 1711.2 microasec 1726.9 microasec Nutation Dx wrt apriori model 1983.01.25-05:55:34.536 -0.292 mas 678.0 microasec 684.2 microasec Nutation DPSI wrt Wahr 1980 model 1983.01.25-05:55:34.536 1.506 mas 1711.2 microasec 1726.9 microasec 198. Nutation DEPS wrt apriori model 1983.01.25-05:55:34.536 -0.910 mas 720.5 microasec 727.2 microasec Nutation Dy wrt apriori model 1983.01.25-05:55:34.536 -0.911 mas 723.1 microasec 729.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.01.25-05:55:34.536 2.542 mas 720.5 microasec 727.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0945 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.01.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928023.48 9.32 3134928023.48 9.32 110.10 5.37 150.94 47.36 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:07 Correlator type: Unknown Experiment code: pol096 Mark-3 db_name: $83JAN31XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830131_a Ver 2 pol096 Matrix Condition Number = 1.407923657702957E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 4.5 2.8 829.0 0.7 53.5 18.2 WESTFORD MET 3.4 1.1 1009.1 2.4 72.5 38.8 Run 26091-1739 214 Observation Pairs Available Session started on: 2445366.234700 1983.01.31 17:37:58.080 UTC Nominal duration: 93666.240 sec 01 02:01:06.240 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 175 41.166 ps 0.85 0.9874 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 178 Number of potentially good observations with QC 5-9: 178 Number of used observations: 175 ( 98.31%) Number of suppressed observations: 3 ( 1.69%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 175 178 41.166 0.85 19830131_a pol096 1983.02.01-06:38:31.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 13 58.890 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 0212+735 J0217+7349 10 11 13 121.469 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 0234+285 J0237+2848 13 13 13 53.483 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 0552+398 J0555+3948 14 14 14 57.251 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 1637+574 J1638+5720 6 7 20 147.132 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 2134+00 J2136+0041 15 15 19 62.896 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 3C273B J1229+0203 13 13 14 17.190 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 3C345 J1642+3948 21 21 22 20.505 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 3C454.3 J2253+1608 17 17 17 18.996 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: 4C39.25 J0927+3902 8 8 13 75.594 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: NRAO150 J0359+5057 12 12 12 76.424 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: OJ287 J0854+2006 13 13 14 35.613 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: OQ208 J1407+2827 16 16 19 110.216 19830131_a pol096 1983.02.01-06:38:31.200 SRC_STAT: VR422201 J2202+4216 4 5 11 34.814 19830131_a pol096 1983.02.01-06:38:31.200 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.02.01-06:37:59 1. HRAS_085 7216 NOAM X Comp -1324211049.06 mm -32.057 mm 4.066 mm 4.040 mm 2. HRAS_085 7216 NOAM Y Comp -5332023162.03 mm -80.026 mm 18.532 mm 18.415 mm 3. HRAS_085 7216 NOAM Z Comp 3232118380.48 mm 73.482 mm 14.020 mm 13.931 mm HRAS_085 7216 U Comp 110.92 mm 110.920 mm 22.551 mm 19.125 mm HRAS_085 7216 E Comp -11.82 mm -11.823 mm 5.564 mm 4.718 mm HRAS_085 7216 N Comp 19.71 mm 19.709 mm 4.125 mm 3.498 mm 4. HRAS_085 CL 0 1983.01.31-17:37:25.896 11789.450 ns 0.209 ns 0.208 ns 5. HRAS_085 CL 1 1983.01.31-17:37:25.896 -131.309 D-14 2.000 D-14 1.987 D-14 6. HRAS_085 CL 2 1983.01.31-17:37:25.896 -3.837 D-14/day 1.594 D-14/day 1.584 D-14/day 33. HRAS_085 AT 0 1983.01.31-17:37:25.896 -23.249 ps 47.401 ps 47.101 ps HRAS_085 Atm 1983.02.01-06:37:58.080 Avg: -31.124 ps Rms: 16.443 ps Tot_Rms: 35.200 ps || Nat: 214 Dura: 93660.0 sec Tzd_avg: 6463.3 Tzd_rms: 12.7 Wzd_avg: 157.7 Wzd_rms: 10.3 ps Prs_avg: 82901. Pa Tem_avg: 4.5 C Stm_avg: 0.9 C Stm_rms: 1.1 K Spr_avg: -90. Spr_rms: 56. Pa 112. HRAS_085 NG 1983.01.31-17:36:25.896 0.004 mm 0.422 mm 0.420 mm 113. HRAS_085 EG 1983.01.31-17:36:25.896 -0.003 mm 0.422 mm 0.420 mm 114. HRAS_085 NG 1983.02.01-01:36:25.896 0.012 mm 0.377 mm 0.375 mm 115. HRAS_085 EG 1983.02.01-01:36:25.896 0.014 mm 0.377 mm 0.374 mm 116. HRAS_085 NG 1983.02.01-09:36:25.896 0.006 mm 0.377 mm 0.375 mm 117. HRAS_085 EG 1983.02.01-09:36:25.896 0.002 mm 0.377 mm 0.374 mm 118. HRAS_085 NG 1983.02.01-17:36:25.896 -0.016 mm 0.422 mm 0.420 mm 119. HRAS_085 EG 1983.02.01-17:36:25.896 -0.016 mm 0.422 mm 0.419 mm 120. WESTFORD 7209 NOAM X Comp 1492206575.06 mm 32.057 mm 4.066 mm 4.040 mm 121. WESTFORD 7209 NOAM Y Comp -4458130441.97 mm 80.026 mm 18.532 mm 18.415 mm 122. WESTFORD 7209 NOAM Z Comp 4296015473.52 mm -73.482 mm 14.020 mm 13.931 mm WESTFORD 7209 U Comp -98.11 mm -98.111 mm 22.178 mm 18.808 mm WESTFORD 7209 E Comp 55.80 mm 55.800 mm 7.440 mm 6.310 mm WESTFORD 7209 N Comp -9.59 mm -9.588 mm 3.052 mm 2.589 mm 123. WESTFORD AT 0 1983.01.31-17:37:25.896 -25.185 ps 60.254 ps 59.872 ps WESTFORD Atm 1983.02.01-06:37:58.080 Avg: -33.312 ps Rms: 6.791 ps Tot_Rms: 33.997 ps || Nat: 214 Dura: 93660.0 sec Tzd_avg: 7764.7 Tzd_rms: 21.6 Wzd_avg: 168.1 Wzd_rms: 33.8 ps Prs_avg: 100907. Pa Tem_avg: 3.4 C Stm_avg: 2.4 C Stm_rms: 0.7 K Spr_avg: 782. Spr_rms: 33. Pa 202. WESTFORD NG 1983.01.31-17:36:25.896 -0.009 mm 0.422 mm 0.420 mm 203. WESTFORD EG 1983.01.31-17:36:25.896 0.007 mm 0.422 mm 0.419 mm 204. WESTFORD NG 1983.02.01-01:36:25.896 -0.005 mm 0.377 mm 0.375 mm 205. WESTFORD EG 1983.02.01-01:36:25.896 -0.001 mm 0.377 mm 0.374 mm 206. WESTFORD NG 1983.02.01-09:36:25.896 -0.002 mm 0.377 mm 0.375 mm 207. WESTFORD EG 1983.02.01-09:36:25.896 -0.002 mm 0.377 mm 0.374 mm 208. WESTFORD NG 1983.02.01-17:36:25.896 0.008 mm 0.422 mm 0.420 mm 209. WESTFORD EG 1983.02.01-17:36:25.896 0.007 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.11 ps/h NRMS 0.22 share 0.89 count 79 2. WESTFORD Input 50.00 ps/h RMS 11.58 ps/h NRMS 0.23 share 0.87 count 79 Overall RMS 11.34 ps/h NRMS 0.23 share 0.88 count 158 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.81 D-14 NRMS 0.36 share 0.24 count 27 Overall RMS 1.81 D-14 NRMS 0.36 share 0.24 count 27 210. UT1-TAI 1, 1983.02.01-06:38:00.000 -3.3071 ms/d 257.17 micros/d 111.65 micros/d 110.94 micros/d EOP epoch (TDT) MJD: 45366.276761 NUT epoch (TDT) MJD: 45366.268195 211. Nutation DPSI wrt apriori model 1983.02.01-06:37:59.016 2.784 mas 1684.0 microasec 1673.3 microasec Nutation Dx wrt apriori model 1983.02.01-06:37:59.016 1.113 mas 667.7 microasec 663.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.02.01-06:37:59.016 6.521 mas 1684.0 microasec 1673.3 microasec 212. Nutation DEPS wrt apriori model 1983.02.01-06:37:59.016 -1.512 mas 577.8 microasec 574.1 microasec Nutation Dy wrt apriori model 1983.02.01-06:37:59.016 -1.508 mas 580.3 microasec 576.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.02.01-06:37:59.016 1.324 mas 577.8 microasec 574.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0751 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.02.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928028.54 8.77 3134928028.54 8.77 46.45 5.00 215.47 46.09 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:10 Correlator type: Unknown Experiment code: pol097 Mark-3 db_name: $83FEB07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830207_a Ver 2 pol097 Matrix Condition Number = 1.583325403117460E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.4 2.2 835.4 0.5 23.9 11.5 ONSALA60 MET -5.6 1.4 1015.6 1.5 51.0 20.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET -4.8 0.5 993.8 1.3 86.1 41.3 Run 26091-1739 438 Observation Pairs Available Session started on: 2445373.314700 1983.02.07 19:33:10.080 UTC Nominal duration: 85743.360 sec 00 23:49:03.360 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 158 34.012 ps 0.69 0.7845 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 159 Number of potentially good observations with QC 5-9: 159 Number of used observations: 158 ( 99.37%) Number of suppressed observations: 1 ( 0.63%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 19 19 34.916 0.51 19830207_a pol097 1983.02.08-07:27:41.7 BAS_STAT HRAS_085 WESTFORD 107 108 32.618 0.74 19830207_a pol097 1983.02.08-07:27:41.7 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 32 32 45.065 0.59 19830207_a pol097 1983.02.08-07:27:41.7 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19830207_a pol097 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830207_a pol097 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 16 71.725 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 0212+735 J0217+7349 17 17 49 61.184 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 0234+285 J0237+2848 13 13 24 31.098 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 0552+398 J0555+3948 14 14 36 48.627 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 1637+574 J1638+5720 5 5 44 85.579 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 2134+00 J2136+0041 10 11 21 62.835 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 3C273B J1229+0203 11 11 20 10.599 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 3C345 J1642+3948 23 23 39 20.234 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 3C454.3 J2253+1608 14 14 16 21.285 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: 4C39.25 J0927+3902 7 7 48 104.626 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: NRAO150 J0359+5057 6 6 40 37.754 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: OJ287 J0854+2006 12 12 29 29.922 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: OQ208 J1407+2827 9 9 25 96.930 19830207_a pol097 1983.02.08-07:27:41.760 SRC_STAT: VR422201 J2202+4216 8 8 31 81.262 19830207_a pol097 1983.02.08-07:27:41.760 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.02.08-07:27:09 1. HRAS_085 7216 NOAM X Comp -1324211060.96 mm -43.955 mm 16.445 mm 14.566 mm 2. HRAS_085 7216 NOAM Y Comp -5332023074.07 mm 7.935 mm 27.277 mm 24.160 mm 3. HRAS_085 7216 NOAM Z Comp 3232118519.03 mm 212.027 mm 31.219 mm 27.652 mm HRAS_085 7216 U Comp 110.54 mm 110.537 mm 35.011 mm 24.053 mm HRAS_085 7216 E Comp -44.57 mm -44.572 mm 16.415 mm 11.277 mm HRAS_085 7216 N Comp 180.96 mm 180.957 mm 22.223 mm 15.268 mm 4. HRAS_085 CL 0 1983.02.07-19:32:37.896 10966.328 ns 0.304 ns 0.269 ns 5. HRAS_085 CL 1 1983.02.07-19:32:37.896 -136.189 D-14 2.128 D-14 1.885 D-14 6. HRAS_085 CL 2 1983.02.07-19:32:37.896 -2.256 D-14/day 1.823 D-14/day 1.615 D-14/day 31. HRAS_085 AT 0 1983.02.07-19:32:37.896 40.342 ps 91.601 ps 81.134 ps HRAS_085 Atm 1983.02.08-07:33:10.080 Avg: -50.271 ps Rms: 51.979 ps Tot_Rms: 72.312 ps || Nat: 139 Dura: 85740.0 sec Tzd_avg: 6531.7 Tzd_rms: 8.0 Wzd_avg: 169.5 Wzd_rms: 7.0 ps Prs_avg: 83542. Pa Tem_avg: 7.2 C Stm_avg: -1.6 C Stm_rms: 2.4 K Spr_avg: -198. Spr_rms: 55. Pa 104. HRAS_085 NG 1983.02.07-19:31:37.896 -0.031 mm 0.422 mm 0.374 mm 105. HRAS_085 EG 1983.02.07-19:31:37.896 0.001 mm 0.422 mm 0.374 mm 106. HRAS_085 NG 1983.02.08-03:31:37.896 -0.019 mm 0.377 mm 0.334 mm 107. HRAS_085 EG 1983.02.08-03:31:37.896 0.007 mm 0.377 mm 0.334 mm 108. HRAS_085 NG 1983.02.08-11:31:37.896 0.011 mm 0.377 mm 0.334 mm 109. HRAS_085 EG 1983.02.08-11:31:37.896 -0.001 mm 0.377 mm 0.334 mm 110. HRAS_085 NG 1983.02.08-19:31:37.896 0.021 mm 0.422 mm 0.374 mm 111. HRAS_085 EG 1983.02.08-19:31:37.896 0.008 mm 0.422 mm 0.374 mm 112. ONSALA60 7213 EURA X Comp 3370605976.14 mm -12.858 mm 30.768 mm 27.253 mm 113. ONSALA60 7213 EURA Y Comp 711917398.32 mm -130.682 mm 19.256 mm 17.056 mm 114. ONSALA60 7213 EURA Z Comp 5349830546.20 mm -219.797 mm 51.118 mm 45.277 mm ONSALA60 7213 U Comp -206.49 mm -206.491 mm 57.133 mm 39.251 mm ONSALA60 7213 E Comp -125.20 mm -125.204 mm 21.418 mm 14.714 mm ONSALA60 7213 N Comp -85.09 mm -85.086 mm 14.411 mm 9.901 mm 115. ONSALA60 CL 0 1983.02.07-19:32:37.896 46634.060 ns 0.387 ns 0.343 ns 116. ONSALA60 CL 1 1983.02.07-19:32:37.896 393.731 D-14 2.475 D-14 2.193 D-14 117. ONSALA60 CL 2 1983.02.07-19:32:37.896 -10.467 D-14/day 2.711 D-14/day 2.401 D-14/day 142. ONSALA60 AT 0 1983.02.07-19:32:37.896 17.876 ps 81.396 ps 72.095 ps ONSALA60 Atm 1983.02.08-07:33:10.080 Avg: 14.580 ps Rms: 8.066 ps Tot_Rms: 16.662 ps || Nat: 101 Dura: 68580.0 sec Tzd_avg: 7770.3 Tzd_rms: 8.1 Wzd_avg: 89.7 Wzd_rms: 12.6 ps Prs_avg: 101565. Pa Tem_avg: -5.5 C Stm_avg: -0.8 C Stm_rms: 0.6 K Spr_avg: 227. Spr_rms: 47. Pa 215. ONSALA60 NG 1983.02.07-19:31:37.896 -0.012 mm 0.422 mm 0.374 mm 216. ONSALA60 EG 1983.02.07-19:31:37.896 -0.009 mm 0.422 mm 0.374 mm 217. ONSALA60 NG 1983.02.08-03:31:37.896 -0.001 mm 0.377 mm 0.334 mm 218. ONSALA60 EG 1983.02.08-03:31:37.896 0.001 mm 0.377 mm 0.334 mm 219. ONSALA60 NG 1983.02.08-11:31:37.896 0.004 mm 0.377 mm 0.334 mm 220. ONSALA60 EG 1983.02.08-11:31:37.896 0.004 mm 0.377 mm 0.334 mm 221. ONSALA60 NG 1983.02.08-19:31:37.896 0.002 mm 0.422 mm 0.374 mm 222. ONSALA60 EG 1983.02.08-19:31:37.896 0.004 mm 0.422 mm 0.374 mm 223. WESTFORD 7209 NOAM X Comp 1492206599.81 mm 56.813 mm 15.738 mm 13.939 mm 224. WESTFORD 7209 NOAM Y Comp -4458130399.25 mm 122.747 mm 18.549 mm 16.429 mm 225. WESTFORD 7209 NOAM Z Comp 4296015554.77 mm 7.770 mm 27.802 mm 24.625 mm WESTFORD 7209 U Comp -67.13 mm -67.132 mm 30.481 mm 20.940 mm WESTFORD 7209 E Comp 92.84 mm 92.836 mm 15.344 mm 10.541 mm WESTFORD 7209 N Comp 72.32 mm 72.317 mm 14.148 mm 9.719 mm 226. WESTFORD AT 0 1983.02.07-19:32:37.896 -29.274 ps 57.646 ps 51.059 ps WESTFORD Atm 1983.02.08-07:33:10.080 Avg: -17.196 ps Rms: 16.935 ps Tot_Rms: 24.136 ps || Nat: 189 Dura: 85740.0 sec Tzd_avg: 7688.0 Tzd_rms: 66.4 Wzd_avg: 212.4 Wzd_rms: 66.6 ps Prs_avg: 99391. Pa Tem_avg: -4.8 C Stm_avg: -0.5 C Stm_rms: 3.6 K Spr_avg: 841. Spr_rms: 48. Pa 299. WESTFORD NG 1983.02.07-19:31:37.896 0.045 mm 0.422 mm 0.374 mm 300. WESTFORD EG 1983.02.07-19:31:37.896 0.025 mm 0.422 mm 0.374 mm 301. WESTFORD NG 1983.02.08-03:31:37.896 0.025 mm 0.377 mm 0.334 mm 302. WESTFORD EG 1983.02.08-03:31:37.896 0.024 mm 0.377 mm 0.334 mm 303. WESTFORD NG 1983.02.08-11:31:37.896 -0.002 mm 0.377 mm 0.334 mm 304. WESTFORD EG 1983.02.08-11:31:37.896 -0.000 mm 0.377 mm 0.334 mm 305. WESTFORD NG 1983.02.08-19:31:37.896 -0.015 mm 0.422 mm 0.374 mm 306. WESTFORD EG 1983.02.08-19:31:37.896 -0.002 mm 0.422 mm 0.374 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.52 ps/h NRMS 0.23 share 0.91 count 73 2. ONSALA60 Input 50.00 ps/h RMS 4.58 ps/h NRMS 0.09 share 0.94 count 73 4. WESTFORD Input 50.00 ps/h RMS 14.99 ps/h NRMS 0.30 share 0.85 count 73 Overall RMS 11.23 ps/h NRMS 0.22 share 0.90 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.27 D-14 NRMS 0.45 share 0.23 count 25 2. ONSALA60 Input 5.00 D-14 RMS 1.58 D-14 NRMS 0.32 share 0.62 count 25 Overall RMS 1.95 D-14 NRMS 0.39 share 0.43 count 50 307. UT1-TAI 1, 1983.02.08-07:27:00.000 -2.7529 ms/d -204.90 micros/d 161.64 micros/d 143.17 micros/d EOP epoch (TDT) MJD: 45373.310789 NUT epoch (TDT) MJD: 45373.355857 308. Nutation DPSI wrt apriori model 1983.02.08-07:27:09.576 -2.156 mas 2488.4 microasec 2204.1 microasec Nutation Dx wrt apriori model 1983.02.08-07:27:09.576 -0.856 mas 987.8 microasec 874.9 microasec Nutation DPSI wrt Wahr 1980 model 1983.02.08-07:27:09.576 0.272 mas 2488.4 microasec 2204.1 microasec 309. Nutation DEPS wrt apriori model 1983.02.08-07:27:09.576 -0.366 mas 564.5 microasec 500.0 microasec Nutation Dy wrt apriori model 1983.02.08-07:27:09.576 -0.369 mas 568.2 microasec 503.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.02.08-07:27:09.576 2.240 mas 564.5 microasec 500.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.9211 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.02.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732187.62 48.83 7940732187.62 48.83 273.25 15.29 301.78 88.64 HRAS_085 7216 to WESTFORD 7209 3134928029.42 11.13 3134928029.42 11.13 128.12 5.87 214.03 51.17 ONSALA60 7213 to WESTFORD 7209 5600741422.56 28.48 5600741422.56 28.48 107.22 14.08 -138.91 87.13 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:13 Correlator type: Unknown Experiment code: pol098 Mark-3 db_name: $83FEB14XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830214_a Ver 2 pol098 Matrix Condition Number = 1.154314763561021E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 2.6 2.3 831.6 3.3 25.8 21.9 WESTFORD MET 0.8 2.9 1004.0 2.3 23.5 0.1 Run 26091-1739 235 Observation Pairs Available Session started on: 2445380.246500 1983.02.14 17:54:57.600 UTC Nominal duration: 89225.280 sec 01 00:47:05.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 209 49.516 ps 0.87 0.9869 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 212 Number of potentially good observations with QC 5-9: 212 Number of used observations: 209 ( 98.58%) Number of suppressed observations: 3 ( 1.42%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 209 212 49.516 0.87 19830214_a pol098 1983.02.15-06:18:30.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 15 15 68.308 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 0212+735 J0217+7349 13 13 15 117.053 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 0234+285 J0237+2848 13 13 13 67.669 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 0552+398 J0555+3948 19 19 19 66.381 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 1637+574 J1638+5720 16 16 21 144.695 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 2134+00 J2136+0041 14 14 17 50.804 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 3C273B J1229+0203 17 17 17 24.564 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 3C345 J1642+3948 18 18 20 27.111 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 3C454.3 J2253+1608 15 15 15 21.502 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: 4C39.25 J0927+3902 8 8 15 35.169 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: NRAO150 J0359+5057 15 16 16 63.011 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: OJ287 J0854+2006 16 16 16 32.892 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: OQ208 J1407+2827 20 21 22 69.841 19830214_a pol098 1983.02.15-06:18:30.240 SRC_STAT: VR422201 J2202+4216 11 11 14 138.146 19830214_a pol098 1983.02.15-06:18:30.240 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.02.15-06:17:58 1. HRAS_085 7216 NOAM X Comp -1324211075.99 mm -58.992 mm 3.939 mm 3.913 mm 2. HRAS_085 7216 NOAM Y Comp -5332023121.57 mm -39.569 mm 17.034 mm 16.922 mm 3. HRAS_085 7216 NOAM Z Comp 3232118393.47 mm 86.471 mm 12.662 mm 12.579 mm HRAS_085 7216 U Comp 89.34 mm 89.342 mm 20.732 mm 17.990 mm HRAS_085 7216 E Comp -47.72 mm -47.716 mm 4.777 mm 4.146 mm HRAS_085 7216 N Comp 47.59 mm 47.586 mm 3.654 mm 3.171 mm 4. HRAS_085 CL 0 1983.02.14-17:54:25.416 10049.312 ns 0.224 ns 0.223 ns 5. HRAS_085 CL 1 1983.02.14-17:54:25.416 -139.918 D-14 2.057 D-14 2.044 D-14 6. HRAS_085 CL 2 1983.02.14-17:54:25.416 6.263 D-14/day 1.707 D-14/day 1.696 D-14/day 32. HRAS_085 AT 0 1983.02.14-17:54:25.416 4.531 ps 57.286 ps 56.909 ps HRAS_085 Atm 1983.02.15-06:24:57.600 Avg: -35.628 ps Rms: 24.820 ps Tot_Rms: 43.421 ps || Nat: 235 Dura: 89220.0 sec Tzd_avg: 6502.6 Tzd_rms: 33.0 Wzd_avg: 163.7 Wzd_rms: 15.6 ps Prs_avg: 83164. Pa Tem_avg: 2.6 C Stm_avg: -3.1 C Stm_rms: 1.7 K Spr_avg: -266. Spr_rms: 56. Pa 108. HRAS_085 NG 1983.02.14-17:53:25.416 -0.000 mm 0.422 mm 0.419 mm 109. HRAS_085 EG 1983.02.14-17:53:25.416 0.004 mm 0.422 mm 0.419 mm 110. HRAS_085 NG 1983.02.15-01:53:25.416 -0.011 mm 0.377 mm 0.374 mm 111. HRAS_085 EG 1983.02.15-01:53:25.416 0.013 mm 0.377 mm 0.374 mm 112. HRAS_085 NG 1983.02.15-09:53:25.416 -0.012 mm 0.377 mm 0.374 mm 113. HRAS_085 EG 1983.02.15-09:53:25.416 0.008 mm 0.377 mm 0.374 mm 114. HRAS_085 NG 1983.02.15-17:53:25.416 -0.019 mm 0.422 mm 0.419 mm 115. HRAS_085 EG 1983.02.15-17:53:25.416 0.019 mm 0.422 mm 0.419 mm 116. WESTFORD 7209 NOAM X Comp 1492206601.99 mm 58.992 mm 3.939 mm 3.913 mm 117. WESTFORD 7209 NOAM Y Comp -4458130482.43 mm 39.569 mm 17.034 mm 16.922 mm 118. WESTFORD 7209 NOAM Z Comp 4296015460.53 mm -86.471 mm 12.662 mm 12.579 mm WESTFORD 7209 U Comp -72.38 mm -72.380 mm 20.090 mm 17.433 mm WESTFORD 7209 E Comp 68.50 mm 68.501 mm 7.369 mm 6.394 mm WESTFORD 7209 N Comp -50.91 mm -50.911 mm 2.843 mm 2.467 mm 119. WESTFORD AT 0 1983.02.14-17:54:25.416 -108.622 ps 49.287 ps 48.962 ps WESTFORD Atm 1983.02.15-06:24:57.600 Avg: -53.931 ps Rms: 22.360 ps Tot_Rms: 58.382 ps || Nat: 235 Dura: 89220.0 sec Tzd_avg: 7701.7 Tzd_rms: 47.1 Wzd_avg: 142.1 Wzd_rms: 43.8 ps Prs_avg: 100398. Pa Tem_avg: 0.8 C Stm_avg: 2.5 C Stm_rms: 0.4 K Spr_avg: 775. Spr_rms: 85. Pa 195. WESTFORD NG 1983.02.14-17:53:25.416 0.000 mm 0.422 mm 0.420 mm 196. WESTFORD EG 1983.02.14-17:53:25.416 0.029 mm 0.422 mm 0.419 mm 197. WESTFORD NG 1983.02.15-01:53:25.416 0.009 mm 0.377 mm 0.375 mm 198. WESTFORD EG 1983.02.15-01:53:25.416 0.027 mm 0.377 mm 0.374 mm 199. WESTFORD NG 1983.02.15-09:53:25.416 0.010 mm 0.377 mm 0.374 mm 200. WESTFORD EG 1983.02.15-09:53:25.416 0.022 mm 0.377 mm 0.374 mm 201. WESTFORD NG 1983.02.15-17:53:25.416 0.019 mm 0.422 mm 0.420 mm 202. WESTFORD EG 1983.02.15-17:53:25.416 -0.011 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.24 ps/h NRMS 0.30 share 0.88 count 76 2. WESTFORD Input 50.00 ps/h RMS 16.52 ps/h NRMS 0.33 share 0.84 count 76 Overall RMS 15.89 ps/h NRMS 0.32 share 0.86 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.34 D-14 NRMS 0.47 share 0.21 count 26 Overall RMS 2.34 D-14 NRMS 0.47 share 0.21 count 26 203. UT1-TAI 1, 1983.02.15-06:18:00.000 -2.5910 ms/d 274.61 micros/d 138.62 micros/d 137.71 micros/d EOP epoch (TDT) MJD: 45380.262873 NUT epoch (TDT) MJD: 45380.271650 204. Nutation DPSI wrt apriori model 1983.02.15-06:17:58.056 2.380 mas 1815.6 microasec 1803.6 microasec Nutation Dx wrt apriori model 1983.02.15-06:17:58.056 0.950 mas 720.3 microasec 715.6 microasec Nutation DPSI wrt Wahr 1980 model 1983.02.15-06:17:58.056 6.050 mas 1815.6 microasec 1803.6 microasec 205. Nutation DEPS wrt apriori model 1983.02.15-06:17:58.056 -0.756 mas 522.8 microasec 519.4 microasec Nutation Dy wrt apriori model 1983.02.15-06:17:58.056 -0.753 mas 525.6 microasec 522.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.02.15-06:17:58.056 1.946 mas 522.8 microasec 519.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0557 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.02.15 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928045.57 8.58 3134928045.57 8.58 132.63 4.63 166.41 42.06 NNT_POS: 3 stations participated in NNT_POS constraints: JPL_MV1 OVRO_130 PBLOSSOM NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:16 Correlator type: Unknown Experiment code: ari83a Mark-3 db_name: $83FEB21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830221_a Ver 2 ari83a Matrix Condition Number = 2.626774464675747E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- JPL_MV1 : | | OVRO_130: | | PBLOSSOM: | | VNDNBERG: | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PBLOSSOM is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms JPL_MV1 MET 18.2 3.5 961.9 1.4 27.0 3.5 OVRO_130 MET 9.3 6.8 878.7 1.2 11.3 8.6 PBLOSSOM MET 15.5 2.5 918.3 0.9 22.7 2.4 VNDNBERG MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1739 284 Observation Pairs Available Session started on: 2445387.452100 1983.02.21 22:51:01.440 UTC Nominal duration: 88188.480 sec 01 00:29:48.480 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 82 25.027 ps 0.62 0.9908 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 85 Number of potentially good observations with QC 5-9: 85 Number of used observations: 82 ( 96.47%) Number of suppressed observations: 3 ( 3.53%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 OVRO_130 32 33 27.977 0.58 19830221_a ari83a 1983.02.22-11:05:55.6 BAS_STAT JPL_MV1 PBLOSSOM 13 14 36.308 0.72 19830221_a ari83a 1983.02.22-11:05:55.6 BAS_STAT OVRO_130 PBLOSSOM 37 38 21.030 0.61 19830221_a ari83a 1983.02.22-11:05:55.6 BAS_STAT Not included: JPL_MV1 VNDNBERG 0/ 0 deselected baseline 19830221_a ari83a OVRO_130 VNDNBERG 0/ 0 deselected baseline 19830221_a ari83a PBLOSSOM VNDNBERG 0/ 0 deselected baseline 19830221_a ari83a Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0552+398 J0555+3948 3 3 14 21.819 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 0727-115 J0730-1141 3 4 12 53.419 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 1127-145 J1130-1449 3 3 16 32.484 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 1510-089 J1512-0905 1 1 7 58.847 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 2134+00 J2136+0041 10 10 24 31.451 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 3C120 J0433+0521 4 5 21 16.956 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 3C273B J1229+0203 5 6 18 5.273 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 3C279 J1256-0547 2 2 8 29.030 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 3C345 J1642+3948 6 6 20 15.087 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 3C418 J2038+5119 7 7 31 58.999 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 3C454.3 J2253+1608 16 16 32 20.257 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 3C84 J0319+4130 6 6 17 9.767 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: 4C39.25 J0927+3902 5 5 26 21.858 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: NRAO150 J0359+5057 10 10 30 28.704 19830221_a ari83a 1983.02.22-11:05:55.680 SRC_STAT: NRAO530 J1733-1304 1 1 8 185.489 19830221_a ari83a 1983.02.22-11:05:55.680 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.02.22-11:05:23 1. JPL_MV1 7263 PCFC X Comp -2493306130.99 mm 166.014 mm 25.978 mm 25.859 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197406.23 mm -22.226 mm 55.121 mm 54.868 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519295.20 mm -167.803 mm 42.746 mm 42.550 mm JPL_MV1 7263 U Comp -142.95 mm -142.952 mm 73.510 mm 45.363 mm JPL_MV1 7263 E Comp 156.84 mm 156.839 mm 7.224 mm 4.458 mm JPL_MV1 7263 N Comp -105.73 mm -105.729 mm 9.198 mm 5.676 mm 4. JPL_MV1 CL 0 1983.02.21-22:50:29.256 -642.543 ns 0.694 ns 0.691 ns 5. JPL_MV1 CL 1 1983.02.21-22:50:29.256 11.227 D-14 2.469 D-14 2.457 D-14 6. JPL_MV1 CL 2 1983.02.21-22:50:29.256 -7.752 D-14/day 2.110 D-14/day 2.101 D-14/day 32. JPL_MV1 AT 0 1983.02.21-22:50:29.256 -268.156 ps 362.772 ps 361.104 ps JPL_MV1 Atm 1983.02.22-11:21:01.440 Avg: -268.189 ps Rms: 9.626 ps Tot_Rms: 268.361 ps || Nat: 54 Dura: 81270.0 sec Tzd_avg: 7516.2 Tzd_rms: 17.2 Wzd_avg: 217.9 Wzd_rms: 17.7 ps Prs_avg: 96202. Pa Tem_avg: 18.0 C Stm_avg: -0.7 C Stm_rms: 2.3 K Spr_avg: 68. Spr_rms: 63. Pa 108. JPL_MV1 NG 1983.02.21-22:49:29.256 -0.000 mm 0.422 mm 0.420 mm 109. JPL_MV1 EG 1983.02.21-22:49:29.256 0.001 mm 0.422 mm 0.420 mm 110. JPL_MV1 NG 1983.02.22-06:49:29.256 -0.000 mm 0.377 mm 0.375 mm 111. JPL_MV1 EG 1983.02.22-06:49:29.256 0.005 mm 0.377 mm 0.375 mm 112. JPL_MV1 NG 1983.02.22-14:49:29.256 0.003 mm 0.377 mm 0.375 mm 113. JPL_MV1 EG 1983.02.22-14:49:29.256 -0.000 mm 0.377 mm 0.375 mm 114. JPL_MV1 NG 1983.02.22-22:49:29.256 0.006 mm 0.422 mm 0.420 mm 115. JPL_MV1 EG 1983.02.22-22:49:29.256 -0.006 mm 0.422 mm 0.420 mm 116. OVRO_130 7207 NOAM X Comp -2409600964.34 mm -77.344 mm 17.778 mm 17.697 mm 117. OVRO_130 7207 NOAM Y Comp -4478349284.24 mm 179.758 mm 36.844 mm 36.674 mm 118. OVRO_130 7207 NOAM Z Comp 3838603257.94 mm 69.944 mm 33.617 mm 33.463 mm OVRO_130 7207 U Comp -54.54 mm -54.540 mm 51.490 mm 31.775 mm OVRO_130 7207 E Comp -153.28 mm -153.284 mm 5.373 mm 3.316 mm OVRO_130 7207 N Comp 129.29 mm 129.293 mm 11.114 mm 6.859 mm 119. OVRO_130 CL 0 1983.02.21-22:50:29.256 -6925.195 ns 0.536 ns 0.534 ns 120. OVRO_130 CL 1 1983.02.21-22:50:29.256 -47.909 D-14 2.861 D-14 2.848 D-14 121. OVRO_130 CL 2 1983.02.21-22:50:29.256 -4.442 D-14/day 3.040 D-14/day 3.026 D-14/day 122. OVRO_130 BR 0 1983.02.22-17:29:27.816 -27.694 ns 0.142 ns 0.141 ns 123. OVRO_130 BR 1 1983.02.22-17:29:27.816 -1.620 D-14 5.714 D-14 5.688 D-14 124. OVRO_130 BR 2 1983.02.22-17:29:27.816 9.053 D-14/day 17.306 D-14/day 17.227 D-14/day 150. OVRO_130 AT 0 1983.02.21-22:50:29.256 -241.911 ps 474.141 ps 471.961 ps OVRO_130 Atm 1983.02.22-11:21:01.440 Avg: -248.910 ps Rms: 12.579 ps Tot_Rms: 249.228 ps || Nat: 64 Dura: 88190.0 sec Tzd_avg: 6851.3 Tzd_rms: 36.4 Wzd_avg: 178.4 Wzd_rms: 30.7 ps Prs_avg: 87854. Pa Tem_avg: 9.9 C Stm_avg: -3.8 C Stm_rms: 4.9 K Spr_avg: -45. Spr_rms: 50. Pa 226. OVRO_130 NG 1983.02.21-22:49:29.256 -0.001 mm 0.422 mm 0.420 mm 227. OVRO_130 EG 1983.02.21-22:49:29.256 0.003 mm 0.422 mm 0.420 mm 228. OVRO_130 NG 1983.02.22-06:49:29.256 -0.000 mm 0.377 mm 0.375 mm 229. OVRO_130 EG 1983.02.22-06:49:29.256 0.000 mm 0.377 mm 0.375 mm 230. OVRO_130 NG 1983.02.22-14:49:29.256 0.004 mm 0.377 mm 0.375 mm 231. OVRO_130 EG 1983.02.22-14:49:29.256 -0.002 mm 0.377 mm 0.375 mm 232. OVRO_130 NG 1983.02.22-22:49:29.256 -0.012 mm 0.422 mm 0.420 mm 233. OVRO_130 EG 1983.02.22-22:49:29.256 -0.005 mm 0.422 mm 0.420 mm 234. PBLOSSOM 7254 NOAM X Comp -2464071131.67 mm -88.671 mm 24.024 mm 23.914 mm 235. PBLOSSOM 7254 NOAM Y Comp -4649425467.53 mm -157.532 mm 52.485 mm 52.244 mm 236. PBLOSSOM 7254 NOAM Z Comp 3593905730.86 mm 97.859 mm 35.793 mm 35.628 mm PBLOSSOM 7254 U Comp 204.36 mm 204.355 mm 66.854 mm 41.256 mm PBLOSSOM 7254 E Comp -4.58 mm -4.579 mm 7.320 mm 4.517 mm PBLOSSOM 7254 N Comp -21.75 mm -21.754 mm 9.480 mm 5.850 mm 237. PBLOSSOM AT 0 1983.02.21-22:50:29.256 -411.463 ps 472.881 ps 470.707 ps PBLOSSOM Atm 1983.02.22-11:21:01.440 Avg: -402.552 ps Rms: 15.156 ps Tot_Rms: 402.837 ps || Nat: 58 Dura: 81720.0 sec Tzd_avg: 7107.8 Tzd_rms: 20.6 Wzd_avg: 193.5 Wzd_rms: 20.5 ps Prs_avg: 91823. Pa Tem_avg: 15.6 C Stm_avg: 0.8 C Stm_rms: 1.2 K Spr_avg: 766. Spr_rms: 38. Pa 313. PBLOSSOM NG 1983.02.21-22:49:29.256 0.002 mm 0.422 mm 0.420 mm 314. PBLOSSOM EG 1983.02.21-22:49:29.256 -0.004 mm 0.422 mm 0.420 mm 315. PBLOSSOM NG 1983.02.22-06:49:29.256 0.001 mm 0.377 mm 0.375 mm 316. PBLOSSOM EG 1983.02.22-06:49:29.256 -0.006 mm 0.377 mm 0.375 mm 317. PBLOSSOM NG 1983.02.22-14:49:29.256 -0.008 mm 0.377 mm 0.375 mm 318. PBLOSSOM EG 1983.02.22-14:49:29.256 0.001 mm 0.377 mm 0.375 mm 319. PBLOSSOM NG 1983.02.22-22:49:29.256 0.006 mm 0.422 mm 0.420 mm 320. PBLOSSOM EG 1983.02.22-22:49:29.256 0.012 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. JPL_MV1 Input 50.00 ps/h RMS 7.68 ps/h NRMS 0.15 share 0.96 count 76 2. OVRO_130 Input 50.00 ps/h RMS 9.45 ps/h NRMS 0.19 share 0.95 count 76 3. PBLOSSOM Input 50.00 ps/h RMS 9.80 ps/h NRMS 0.20 share 0.95 count 76 Overall RMS 9.03 ps/h NRMS 0.18 share 0.95 count 228 Gradient Constraint Statistics 1. JPL_MV1 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 2. OVRO_130 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 3. PBLOSSOM Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 1. JPL_MV1 Input 5.00 D-14 RMS 3.60 D-14 NRMS 0.72 share 0.55 count 26 2. OVRO_130 Input 5.00 D-14 RMS 1.51 D-14 NRMS 0.30 share 0.52 count 26 Overall RMS 2.76 D-14 NRMS 0.55 share 0.53 count 52 321. UT1-TAI 1, 1983.02.22-11:05:00.000 -3.6256 ms/d -889.85 micros/d 3085.70 micros/d 3071.52 micros/d EOP epoch (TDT) MJD: 45387.462178 NUT epoch (TDT) MJD: 45387.561432 322. Nutation DPSI wrt apriori model 1983.02.22-11:05:23.496 -7.429 mas 25325.8 microasec 25209.3 microasec Nutation Dx wrt apriori model 1983.02.22-11:05:23.496 -2.918 mas 10033.2 microasec 9987.1 microasec Nutation DPSI wrt Wahr 1980 model 1983.02.22-11:05:23.496 -4.503 mas 25325.8 microasec 25209.3 microasec 323. Nutation DEPS wrt apriori model 1983.02.22-11:05:23.496 -9.793 mas 11061.9 microasec 11011.0 microasec Nutation Dy wrt apriori model 1983.02.22-11:05:23.496 -9.804 mas 11099.9 microasec 11048.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.02.22-11:05:23.496 -7.533 mas 11061.9 microasec 11011.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.7934 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.02.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to OVRO_130 7207 335941459.01 18.15 335941459.01 18.15 -303.04 10.37 -87.23 107.88 JPL_MV1 7263 to PBLOSSOM 7254 41155682.36 10.31 41155682.36 10.31 -181.32 16.87 -347.27 130.81 OVRO_130 7207 to PBLOSSOM 7254 303497840.82 19.72 303497840.82 19.72 -131.51 10.21 -261.91 93.80 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:19 Correlator type: Unknown Experiment code: pol100 Mark-3 db_name: $83FEB28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830228_a Ver 2 pol100 Matrix Condition Number = 7.391558991199846E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 10.0 5.8 834.7 1.4 24.6 1.2 ONSALA60 MET -0.0 0.4 1016.4 5.4 94.8 19.4 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 8.0 2.9 1011.6 1.6 16.5 0.6 Run 26091-1739 470 Observation Pairs Available Session started on: 2445394.218500 1983.02.28 17:14:38.400 UTC Nominal duration: 89069.760 sec 01 00:44:29.760 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 199 52.365 ps 0.79 0.9605 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 200 Number of potentially good observations with QC 5-9: 200 Number of used observations: 199 ( 99.50%) Number of suppressed observations: 1 ( 0.50%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 33 33 46.336 0.73 19830228_a pol100 1983.03.01-05:36:53.2 BAS_STAT HRAS_085 WESTFORD 106 107 52.151 0.83 19830228_a pol100 1983.03.01-05:36:53.2 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 60 60 57.154 0.75 19830228_a pol100 1983.03.01-05:36:53.2 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19830228_a pol100 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830228_a pol100 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 20 99.416 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 0212+735 J0217+7349 23 23 49 92.627 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 0234+285 J0237+2848 14 14 26 43.444 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 0552+398 J0555+3948 22 22 38 49.403 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 1637+574 J1638+5720 10 11 48 112.489 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 2134+00 J2136+0041 9 9 29 101.800 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 3C273B J1229+0203 14 14 19 25.418 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 3C345 J1642+3948 20 20 39 23.878 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 3C454.3 J2253+1608 16 16 21 48.561 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: 4C39.25 J0927+3902 11 11 40 101.198 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: NRAO150 J0359+5057 10 10 46 58.850 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: OJ287 J0854+2006 19 19 29 31.527 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: OQ208 J1407+2827 9 9 23 56.781 19830228_a pol100 1983.03.01-05:36:53.280 SRC_STAT: VR422201 J2202+4216 12 12 43 66.837 19830228_a pol100 1983.03.01-05:36:53.280 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.03.01-05:36:21 1. HRAS_085 7216 NOAM X Comp -1324211059.57 mm -42.568 mm 12.210 mm 11.966 mm 2. HRAS_085 7216 NOAM Y Comp -5332023057.51 mm 24.490 mm 32.072 mm 31.432 mm 3. HRAS_085 7216 NOAM Z Comp 3232118516.15 mm 209.154 mm 25.832 mm 25.317 mm HRAS_085 7216 U Comp 94.96 mm 94.961 mm 39.106 mm 30.907 mm HRAS_085 7216 E Comp -47.22 mm -47.216 mm 10.403 mm 8.222 mm HRAS_085 7216 N Comp 186.84 mm 186.843 mm 14.404 mm 11.384 mm 4. HRAS_085 CL 0 1983.02.28-17:14:06.216 4932.968 ns 0.333 ns 0.326 ns 5. HRAS_085 CL 1 1983.02.28-17:14:06.216 135.821 D-14 2.092 D-14 2.050 D-14 6. HRAS_085 CL 2 1983.02.28-17:14:06.216 0.242 D-14/day 1.737 D-14/day 1.702 D-14/day 32. HRAS_085 AT 0 1983.02.28-17:14:06.216 40.850 ps 105.390 ps 103.286 ps HRAS_085 Atm 1983.03.01-05:44:38.400 Avg: -37.359 ps Rms: 48.795 ps Tot_Rms: 61.455 ps || Nat: 133 Dura: 89070.0 sec Tzd_avg: 6530.9 Tzd_rms: 8.2 Wzd_avg: 166.8 Wzd_rms: 10.4 ps Prs_avg: 83490. Pa Tem_avg: 10.2 C Stm_avg: -4.7 C Stm_rms: 4.8 K Spr_avg: -274. Spr_rms: 60. Pa 108. HRAS_085 NG 1983.02.28-17:13:06.216 -0.007 mm 0.422 mm 0.414 mm 109. HRAS_085 EG 1983.02.28-17:13:06.216 -0.019 mm 0.422 mm 0.414 mm 110. HRAS_085 NG 1983.03.01-01:13:06.216 0.015 mm 0.377 mm 0.369 mm 111. HRAS_085 EG 1983.03.01-01:13:06.216 -0.008 mm 0.377 mm 0.369 mm 112. HRAS_085 NG 1983.03.01-09:13:06.216 0.013 mm 0.377 mm 0.369 mm 113. HRAS_085 EG 1983.03.01-09:13:06.216 0.002 mm 0.377 mm 0.369 mm 114. HRAS_085 NG 1983.03.01-17:13:06.216 -0.014 mm 0.422 mm 0.414 mm 115. HRAS_085 EG 1983.03.01-17:13:06.216 0.012 mm 0.422 mm 0.414 mm 116. ONSALA60 7213 EURA X Comp 3370605967.67 mm -21.330 mm 19.880 mm 19.483 mm 117. ONSALA60 7213 EURA Y Comp 711917391.09 mm -137.913 mm 18.288 mm 17.923 mm 118. ONSALA60 7213 EURA Z Comp 5349830540.99 mm -225.009 mm 32.904 mm 32.247 mm ONSALA60 7213 U Comp -216.15 mm -216.153 mm 36.080 mm 28.515 mm ONSALA60 7213 E Comp -130.53 mm -130.528 mm 18.625 mm 14.720 mm ONSALA60 7213 N Comp -79.65 mm -79.652 mm 12.795 mm 10.113 mm 119. ONSALA60 CL 0 1983.02.28-17:14:06.216 54546.201 ns 0.296 ns 0.290 ns 120. ONSALA60 CL 1 1983.02.28-17:14:06.216 426.276 D-14 2.336 D-14 2.289 D-14 121. ONSALA60 CL 2 1983.02.28-17:14:06.216 2.613 D-14/day 2.233 D-14/day 2.188 D-14/day 147. ONSALA60 AT 0 1983.02.28-17:14:06.216 49.131 ps 40.309 ps 39.504 ps ONSALA60 Atm 1983.03.01-05:44:38.400 Avg: 58.172 ps Rms: 15.746 ps Tot_Rms: 60.266 ps || Nat: 113 Dura: 77800.0 sec Tzd_avg: 7927.8 Tzd_rms: 21.8 Wzd_avg: 247.9 Wzd_rms: 19.5 ps Prs_avg: 101657. Pa Tem_avg: -0.0 C Stm_avg: -0.6 C Stm_rms: 0.6 K Spr_avg: 262. Spr_rms: 30. Pa 223. ONSALA60 NG 1983.02.28-17:13:06.216 0.007 mm 0.422 mm 0.414 mm 224. ONSALA60 EG 1983.02.28-17:13:06.216 0.001 mm 0.422 mm 0.414 mm 225. ONSALA60 NG 1983.03.01-01:13:06.216 0.012 mm 0.377 mm 0.369 mm 226. ONSALA60 EG 1983.03.01-01:13:06.216 0.013 mm 0.377 mm 0.369 mm 227. ONSALA60 NG 1983.03.01-09:13:06.216 -0.008 mm 0.377 mm 0.369 mm 228. ONSALA60 EG 1983.03.01-09:13:06.216 -0.001 mm 0.377 mm 0.370 mm 229. ONSALA60 NG 1983.03.01-17:13:06.216 -0.005 mm 0.422 mm 0.414 mm 230. ONSALA60 EG 1983.03.01-17:13:06.216 -0.002 mm 0.422 mm 0.414 mm 231. WESTFORD 7209 NOAM X Comp 1492206606.90 mm 63.899 mm 11.238 mm 11.013 mm 232. WESTFORD 7209 NOAM Y Comp -4458130408.58 mm 113.423 mm 19.825 mm 19.429 mm 233. WESTFORD 7209 NOAM Z Comp 4296015562.86 mm 15.856 mm 20.979 mm 20.560 mm WESTFORD 7209 U Comp -53.50 mm -53.495 mm 26.802 mm 21.182 mm WESTFORD 7209 E Comp 96.60 mm 96.596 mm 12.350 mm 9.761 mm WESTFORD 7209 N Comp 70.76 mm 70.758 mm 9.411 mm 7.438 mm 234. WESTFORD AT 0 1983.02.28-17:14:06.216 -32.490 ps 56.705 ps 55.572 ps WESTFORD Atm 1983.03.01-05:44:38.400 Avg: -27.333 ps Rms: 30.513 ps Tot_Rms: 40.965 ps || Nat: 188 Dura: 89070.0 sec Tzd_avg: 7784.6 Tzd_rms: 34.7 Wzd_avg: 169.5 Wzd_rms: 30.6 ps Prs_avg: 101137. Pa Tem_avg: 7.9 C Stm_avg: 4.6 C Stm_rms: 2.3 K Spr_avg: 772. Spr_rms: 39. Pa 310. WESTFORD NG 1983.02.28-17:13:06.216 -0.008 mm 0.422 mm 0.414 mm 311. WESTFORD EG 1983.02.28-17:13:06.216 0.034 mm 0.422 mm 0.413 mm 312. WESTFORD NG 1983.03.01-01:13:06.216 -0.025 mm 0.377 mm 0.369 mm 313. WESTFORD EG 1983.03.01-01:13:06.216 0.006 mm 0.376 mm 0.369 mm 314. WESTFORD NG 1983.03.01-09:13:06.216 0.011 mm 0.377 mm 0.369 mm 315. WESTFORD EG 1983.03.01-09:13:06.216 -0.035 mm 0.377 mm 0.369 mm 316. WESTFORD NG 1983.03.01-17:13:06.216 0.025 mm 0.422 mm 0.414 mm 317. WESTFORD EG 1983.03.01-17:13:06.216 -0.012 mm 0.422 mm 0.413 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.49 ps/h NRMS 0.21 share 0.93 count 76 2. ONSALA60 Input 50.00 ps/h RMS 8.02 ps/h NRMS 0.16 share 0.90 count 76 4. WESTFORD Input 50.00 ps/h RMS 16.68 ps/h NRMS 0.33 share 0.86 count 76 Overall RMS 12.28 ps/h NRMS 0.25 share 0.90 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.69 D-14 NRMS 0.54 share 0.26 count 26 2. ONSALA60 Input 5.00 D-14 RMS 1.99 D-14 NRMS 0.40 share 0.48 count 26 Overall RMS 2.37 D-14 NRMS 0.47 share 0.37 count 52 318. UT1-TAI 1, 1983.03.01-05:36:00.000 -3.5983 ms/d 70.74 micros/d 122.74 micros/d 120.29 micros/d EOP epoch (TDT) MJD: 45394.233706 NUT epoch (TDT) MJD: 45394.220153 319. Nutation DPSI wrt apriori model 1983.03.01-05:36:21.096 2.527 mas 1912.2 microasec 1874.0 microasec Nutation Dx wrt apriori model 1983.03.01-05:36:21.096 1.006 mas 758.9 microasec 743.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.03.01-05:36:21.096 6.866 mas 1912.2 microasec 1874.0 microasec 320. Nutation DEPS wrt apriori model 1983.03.01-05:36:21.096 -0.300 mas 481.4 microasec 471.8 microasec Nutation Dy wrt apriori model 1983.03.01-05:36:21.096 -0.296 mas 484.3 microasec 474.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.03.01-05:36:21.096 1.165 mas 481.4 microasec 471.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0778 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.03.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732163.07 43.09 7940732163.07 43.09 277.38 10.91 294.83 66.18 HRAS_085 7216 to WESTFORD 7209 3134928031.04 14.53 3134928031.04 14.53 136.83 6.36 186.76 59.54 ONSALA60 7213 to WESTFORD 7209 5600741416.77 19.87 5600741416.77 19.87 100.41 9.61 -157.43 56.67 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:22 Correlator type: Unknown Experiment code: pol101 Mark-3 db_name: $83MAR07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830307_a Ver 2 pol101 Matrix Condition Number = 9.273851527543628E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 11.3 2.8 832.1 0.9 28.0 0.8 WESTFORD MET 1.0 0.8 1015.5 1.2 36.7 8.4 Run 26091-1739 237 Observation Pairs Available Session started on: 2445401.335500 1983.03.07 20:03:07.200 UTC Nominal duration: 88015.680 sec 01 00:26:55.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 198 54.527 ps 0.87 0.9933 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 206 Number of potentially good observations with QC 5-9: 206 Number of used observations: 198 ( 96.12%) Number of suppressed observations: 8 ( 3.88%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 198 206 54.527 0.87 19830307_a pol101 1983.03.08-08:16:35.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 16 16 16 76.342 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 0212+735 J0217+7349 12 12 15 103.330 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 0234+285 J0237+2848 14 14 14 65.970 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 0552+398 J0555+3948 19 19 19 74.408 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 1637+574 J1638+5720 13 15 21 110.373 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 2134+00 J2136+0041 12 13 17 51.387 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 3C273B J1229+0203 14 17 17 32.366 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 3C345 J1642+3948 19 19 20 34.982 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 3C454.3 J2253+1608 14 15 15 37.539 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: 4C39.25 J0927+3902 7 7 15 53.664 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: NRAO150 J0359+5057 14 14 16 69.886 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: OJ287 J0854+2006 15 16 16 30.544 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: OQ208 J1407+2827 17 17 22 102.362 19830307_a pol101 1983.03.08-08:16:35.040 SRC_STAT: VR422201 J2202+4216 12 12 14 93.528 19830307_a pol101 1983.03.08-08:16:35.040 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.03.08-08:16:02 1. HRAS_085 7216 NOAM X Comp -1324211067.95 mm -50.950 mm 3.925 mm 3.912 mm 2. HRAS_085 7216 NOAM Y Comp -5332023142.41 mm -60.407 mm 16.176 mm 16.121 mm 3. HRAS_085 7216 NOAM Z Comp 3232118397.27 mm 90.272 mm 12.630 mm 12.587 mm HRAS_085 7216 U Comp 107.01 mm 107.011 mm 19.759 mm 17.241 mm HRAS_085 7216 E Comp -34.89 mm -34.888 mm 5.335 mm 4.655 mm HRAS_085 7216 N Comp 41.54 mm 41.538 mm 4.209 mm 3.673 mm 4. HRAS_085 CL 0 1983.03.07-20:02:35.016 5927.449 ns 0.203 ns 0.202 ns 5. HRAS_085 CL 1 1983.03.07-20:02:35.016 89.249 D-14 2.091 D-14 2.084 D-14 6. HRAS_085 CL 2 1983.03.07-20:02:35.016 -1.304 D-14/day 1.764 D-14/day 1.759 D-14/day 32. HRAS_085 AT 0 1983.03.07-20:02:35.016 -149.687 ps 67.287 ps 67.060 ps HRAS_085 Atm 1983.03.08-08:33:07.200 Avg: -73.186 ps Rms: 34.798 ps Tot_Rms: 81.037 ps || Nat: 237 Dura: 88010.0 sec Tzd_avg: 6541.0 Tzd_rms: 25.4 Wzd_avg: 195.8 Wzd_rms: 28.0 ps Prs_avg: 83210. Pa Tem_avg: 11.3 C Stm_avg: -0.9 C Stm_rms: 1.3 K Spr_avg: -316. Spr_rms: 52. Pa 108. HRAS_085 NG 1983.03.07-20:01:35.016 0.001 mm 0.422 mm 0.421 mm 109. HRAS_085 EG 1983.03.07-20:01:35.016 -0.003 mm 0.422 mm 0.421 mm 110. HRAS_085 NG 1983.03.08-04:01:35.016 -0.016 mm 0.377 mm 0.376 mm 111. HRAS_085 EG 1983.03.08-04:01:35.016 0.004 mm 0.377 mm 0.376 mm 112. HRAS_085 NG 1983.03.08-12:01:35.016 -0.010 mm 0.377 mm 0.376 mm 113. HRAS_085 EG 1983.03.08-12:01:35.016 0.006 mm 0.377 mm 0.376 mm 114. HRAS_085 NG 1983.03.08-20:01:35.016 -0.013 mm 0.422 mm 0.421 mm 115. HRAS_085 EG 1983.03.08-20:01:35.016 -0.008 mm 0.422 mm 0.421 mm 116. WESTFORD 7209 NOAM X Comp 1492206593.95 mm 50.950 mm 3.925 mm 3.912 mm 117. WESTFORD 7209 NOAM Y Comp -4458130461.59 mm 60.407 mm 16.176 mm 16.121 mm 118. WESTFORD 7209 NOAM Z Comp 4296015456.73 mm -90.272 mm 12.630 mm 12.587 mm WESTFORD 7209 U Comp -91.37 mm -91.374 mm 19.647 mm 17.144 mm WESTFORD 7209 E Comp 67.49 mm 67.489 mm 6.467 mm 5.643 mm WESTFORD 7209 N Comp -38.60 mm -38.601 mm 2.960 mm 2.583 mm 119. WESTFORD AT 0 1983.03.07-20:02:35.016 40.588 ps 30.594 ps 30.490 ps WESTFORD Atm 1983.03.08-08:33:07.200 Avg: 22.188 ps Rms: 28.280 ps Tot_Rms: 35.946 ps || Nat: 237 Dura: 88010.0 sec Tzd_avg: 7981.5 Tzd_rms: 45.7 Wzd_avg: 342.8 Wzd_rms: 38.8 ps Prs_avg: 101548. Pa Tem_avg: 1.0 C Stm_avg: 0.3 C Stm_rms: 0.5 K Spr_avg: 796. Spr_rms: 40. Pa 195. WESTFORD NG 1983.03.07-20:01:35.016 -0.001 mm 0.422 mm 0.421 mm 196. WESTFORD EG 1983.03.07-20:01:35.016 0.004 mm 0.422 mm 0.421 mm 197. WESTFORD NG 1983.03.08-04:01:35.016 0.010 mm 0.377 mm 0.376 mm 198. WESTFORD EG 1983.03.08-04:01:35.016 0.016 mm 0.377 mm 0.376 mm 199. WESTFORD NG 1983.03.08-12:01:35.016 0.012 mm 0.377 mm 0.376 mm 200. WESTFORD EG 1983.03.08-12:01:35.016 -0.011 mm 0.377 mm 0.376 mm 201. WESTFORD NG 1983.03.08-20:01:35.016 0.001 mm 0.422 mm 0.421 mm 202. WESTFORD EG 1983.03.08-20:01:35.016 0.001 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.89 ps/h NRMS 0.24 share 0.90 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.68 ps/h NRMS 0.29 share 0.86 count 76 Overall RMS 13.35 ps/h NRMS 0.27 share 0.88 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.20 D-14 NRMS 0.44 share 0.24 count 26 Overall RMS 2.20 D-14 NRMS 0.44 share 0.24 count 26 203. UT1-TAI 1, 1983.03.08-08:16:00.000 -2.4520 ms/d -93.25 micros/d 198.29 micros/d 197.62 micros/d EOP epoch (TDT) MJD: 45401.344817 NUT epoch (TDT) MJD: 45401.373599 204. Nutation DPSI wrt apriori model 1983.03.08-08:16:02.856 -2.226 mas 2124.8 microasec 2117.6 microasec Nutation Dx wrt apriori model 1983.03.08-08:16:02.856 -0.885 mas 842.9 microasec 840.0 microasec Nutation DPSI wrt Wahr 1980 model 1983.03.08-08:16:02.856 1.113 mas 2124.8 microasec 2117.6 microasec 205. Nutation DEPS wrt apriori model 1983.03.08-08:16:02.856 0.005 mas 635.8 microasec 633.6 microasec Nutation Dy wrt apriori model 1983.03.08-08:16:02.856 0.002 mas 638.9 microasec 636.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.03.08-08:16:02.856 1.107 mas 635.8 microasec 633.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0663 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.03.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928040.16 8.53 3134928040.16 8.53 108.38 5.08 204.30 40.59 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:25 Correlator type: Unknown Experiment code: pol102 Mark-3 db_name: $83MAR14X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830314_a Ver 2 pol102 Matrix Condition Number = 1.919331950983974E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 12.3 3.9 826.2 1.3 26.5 10.2 ONSALA60 MET 3.7 0.3 1007.0 0.8 98.7 3.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 8.8 2.1 999.2 1.9 15.6 2.4 Run 26091-1739 474 Observation Pairs Available Session started on: 2445408.218900 1983.03.14 17:15:12.960 UTC Nominal duration: 85190.400 sec 00 23:39:50.400 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 182 59.334 ps 0.80 1.0090 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 183 Number of potentially good observations with QC 5-9: 183 Number of used observations: 182 ( 99.45%) Number of suppressed observations: 1 ( 0.55%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 26 26 98.892 0.83 19830314_a pol102 1983.03.15-05:05:08.1 BAS_STAT HRAS_085 WESTFORD 88 88 49.197 0.80 19830314_a pol102 1983.03.15-05:05:08.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 68 69 72.029 0.80 19830314_a pol102 1983.03.15-05:05:08.1 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19830314_a pol102 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830314_a pol102 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 21 109.501 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 0212+735 J0217+7349 23 23 55 108.534 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 0234+285 J0237+2848 17 17 29 52.541 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 0552+398 J0555+3948 18 18 38 54.946 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 1637+574 J1638+5720 8 8 45 118.676 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 2134+00 J2136+0041 4 4 24 113.595 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 3C273B J1229+0203 12 12 16 21.663 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 3C345 J1642+3948 20 20 34 39.569 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 3C454.3 J2253+1608 13 14 25 52.058 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: 4C39.25 J0927+3902 4 4 45 96.767 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: NRAO150 J0359+5057 12 12 48 76.481 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: OJ287 J0854+2006 17 17 29 34.611 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: OQ208 J1407+2827 10 10 28 58.415 19830314_a pol102 1983.03.15-05:05:08.160 SRC_STAT: VR422201 J2202+4216 15 15 37 99.659 19830314_a pol102 1983.03.15-05:05:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.03.15-05:04:35 1. HRAS_085 7216 NOAM X Comp -1324211080.07 mm -63.066 mm 18.137 mm 18.218 mm 2. HRAS_085 7216 NOAM Y Comp -5332023049.26 mm 32.738 mm 53.958 mm 54.199 mm 3. HRAS_085 7216 NOAM Z Comp 3232118494.70 mm 187.699 mm 38.008 mm 38.178 mm HRAS_085 7216 U Comp 81.39 mm 81.392 mm 65.292 mm 52.484 mm HRAS_085 7216 E Comp -69.10 mm -69.098 mm 12.217 mm 9.820 mm HRAS_085 7216 N Comp 169.94 mm 169.944 mm 16.515 mm 13.276 mm 4. HRAS_085 CL 0 1983.03.14-17:14:40.776 5997.260 ns 0.541 ns 0.543 ns 5. HRAS_085 CL 1 1983.03.14-17:14:40.776 63.628 D-14 2.170 D-14 2.179 D-14 6. HRAS_085 CL 2 1983.03.14-17:14:40.776 4.978 D-14/day 1.874 D-14/day 1.883 D-14/day 31. HRAS_085 AT 0 1983.03.14-17:14:40.776 -63.011 ps 189.693 ps 190.543 ps HRAS_085 Atm 1983.03.15-05:15:12.960 Avg: -48.257 ps Rms: 22.553 ps Tot_Rms: 53.267 ps || Nat: 114 Dura: 85190.0 sec Tzd_avg: 6527.8 Tzd_rms: 35.2 Wzd_avg: 227.9 Wzd_rms: 45.4 ps Prs_avg: 82617. Pa Tem_avg: 12.1 C Stm_avg: -2.0 C Stm_rms: 1.9 K Spr_avg: -329. Spr_rms: 71. Pa 104. HRAS_085 NG 1983.03.14-17:13:40.776 0.009 mm 0.422 mm 0.424 mm 105. HRAS_085 EG 1983.03.14-17:13:40.776 -0.002 mm 0.422 mm 0.424 mm 106. HRAS_085 NG 1983.03.15-01:13:40.776 -0.003 mm 0.377 mm 0.379 mm 107. HRAS_085 EG 1983.03.15-01:13:40.776 0.001 mm 0.377 mm 0.379 mm 108. HRAS_085 NG 1983.03.15-09:13:40.776 -0.003 mm 0.377 mm 0.379 mm 109. HRAS_085 EG 1983.03.15-09:13:40.776 0.005 mm 0.377 mm 0.379 mm 110. HRAS_085 NG 1983.03.15-17:13:40.776 -0.008 mm 0.422 mm 0.424 mm 111. HRAS_085 EG 1983.03.15-17:13:40.776 -0.002 mm 0.422 mm 0.424 mm 112. ONSALA60 7213 EURA X Comp 3370606000.95 mm 11.947 mm 24.113 mm 24.221 mm 113. ONSALA60 7213 EURA Y Comp 711917387.47 mm -141.530 mm 29.092 mm 29.222 mm 114. ONSALA60 7213 EURA Z Comp 5349830577.07 mm -188.926 mm 39.826 mm 40.004 mm ONSALA60 7213 U Comp -168.61 mm -168.615 mm 42.279 mm 33.985 mm ONSALA60 7213 E Comp -140.94 mm -140.943 mm 28.348 mm 22.787 mm ONSALA60 7213 N Comp -87.01 mm -87.008 mm 20.560 mm 16.527 mm 115. ONSALA60 CL 0 1983.03.14-17:14:40.776 59595.831 ns 0.289 ns 0.290 ns 116. ONSALA60 CL 1 1983.03.14-17:14:40.776 411.969 D-14 2.203 D-14 2.213 D-14 117. ONSALA60 CL 2 1983.03.14-17:14:40.776 8.970 D-14/day 1.964 D-14/day 1.973 D-14/day 142. ONSALA60 AT 0 1983.03.14-17:14:40.776 -30.849 ps 56.198 ps 56.449 ps ONSALA60 Atm 1983.03.15-05:15:12.960 Avg: 4.940 ps Rms: 15.331 ps Tot_Rms: 16.107 ps || Nat: 126 Dura: 85190.0 sec Tzd_avg: 7914.8 Tzd_rms: 28.2 Wzd_avg: 305.1 Wzd_rms: 35.4 ps Prs_avg: 100702. Pa Tem_avg: 3.7 C Stm_avg: -1.3 C Stm_rms: 0.6 K Spr_avg: 208. Spr_rms: 32. Pa 215. ONSALA60 NG 1983.03.14-17:13:40.776 -0.001 mm 0.422 mm 0.424 mm 216. ONSALA60 EG 1983.03.14-17:13:40.776 -0.002 mm 0.422 mm 0.424 mm 217. ONSALA60 NG 1983.03.15-01:13:40.776 0.005 mm 0.377 mm 0.379 mm 218. ONSALA60 EG 1983.03.15-01:13:40.776 0.004 mm 0.377 mm 0.379 mm 219. ONSALA60 NG 1983.03.15-09:13:40.776 0.003 mm 0.377 mm 0.379 mm 220. ONSALA60 EG 1983.03.15-09:13:40.776 -0.009 mm 0.377 mm 0.379 mm 221. ONSALA60 NG 1983.03.15-17:13:40.776 0.003 mm 0.422 mm 0.424 mm 222. ONSALA60 EG 1983.03.15-17:13:40.776 -0.000 mm 0.422 mm 0.424 mm 223. WESTFORD 7209 NOAM X Comp 1492206594.12 mm 51.119 mm 14.347 mm 14.411 mm 224. WESTFORD 7209 NOAM Y Comp -4458130413.21 mm 108.792 mm 29.101 mm 29.231 mm 225. WESTFORD 7209 NOAM Z Comp 4296015548.23 mm 1.226 mm 26.522 mm 26.641 mm WESTFORD 7209 U Comp -63.15 mm -63.153 mm 35.980 mm 28.922 mm WESTFORD 7209 E Comp 83.01 mm 83.007 mm 18.571 mm 14.928 mm WESTFORD 7209 N Comp 59.76 mm 59.765 mm 10.802 mm 8.683 mm 226. WESTFORD AT 0 1983.03.14-17:14:40.776 -17.619 ps 53.646 ps 53.887 ps WESTFORD Atm 1983.03.15-05:15:12.960 Avg: -52.812 ps Rms: 16.904 ps Tot_Rms: 55.452 ps || Nat: 177 Dura: 85190.0 sec Tzd_avg: 7752.9 Tzd_rms: 55.2 Wzd_avg: 232.0 Wzd_rms: 46.9 ps Prs_avg: 99928. Pa Tem_avg: 8.7 C Stm_avg: 3.9 C Stm_rms: 1.5 K Spr_avg: 774. Spr_rms: 56. Pa 299. WESTFORD NG 1983.03.14-17:13:40.776 -0.014 mm 0.422 mm 0.424 mm 300. WESTFORD EG 1983.03.14-17:13:40.776 -0.002 mm 0.422 mm 0.424 mm 301. WESTFORD NG 1983.03.15-01:13:40.776 -0.001 mm 0.377 mm 0.379 mm 302. WESTFORD EG 1983.03.15-01:13:40.776 0.013 mm 0.376 mm 0.378 mm 303. WESTFORD NG 1983.03.15-09:13:40.776 0.015 mm 0.377 mm 0.378 mm 304. WESTFORD EG 1983.03.15-09:13:40.776 0.016 mm 0.377 mm 0.378 mm 305. WESTFORD NG 1983.03.15-17:13:40.776 0.011 mm 0.422 mm 0.424 mm 306. WESTFORD EG 1983.03.15-17:13:40.776 0.008 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.95 ps/h NRMS 0.18 share 0.94 count 73 2. ONSALA60 Input 50.00 ps/h RMS 9.99 ps/h NRMS 0.20 share 0.91 count 73 4. WESTFORD Input 50.00 ps/h RMS 11.76 ps/h NRMS 0.24 share 0.87 count 73 Overall RMS 10.30 ps/h NRMS 0.21 share 0.91 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.19 D-14 NRMS 0.64 share 0.30 count 25 2. ONSALA60 Input 5.00 D-14 RMS 2.72 D-14 NRMS 0.54 share 0.43 count 25 Overall RMS 2.97 D-14 NRMS 0.59 share 0.36 count 50 307. UT1-TAI 1, 1983.03.15-05:05:00.000 -3.1244 ms/d 61.44 micros/d 115.18 micros/d 115.69 micros/d EOP epoch (TDT) MJD: 45408.212178 NUT epoch (TDT) MJD: 45408.202105 308. Nutation DPSI wrt apriori model 1983.03.15-05:04:35.976 1.624 mas 2129.2 microasec 2138.7 microasec Nutation Dx wrt apriori model 1983.03.15-05:04:35.976 0.647 mas 845.0 microasec 848.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.03.15-05:04:35.976 6.437 mas 2129.2 microasec 2138.7 microasec 309. Nutation DEPS wrt apriori model 1983.03.15-05:04:35.976 -0.237 mas 545.5 microasec 547.9 microasec Nutation Dy wrt apriori model 1983.03.15-05:04:35.976 -0.234 mas 548.7 microasec 551.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.03.15-05:04:35.976 1.288 mas 545.5 microasec 547.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1478 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.03.15 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732201.18 67.67 7940732201.18 67.67 299.92 13.12 228.63 94.29 HRAS_085 7216 to WESTFORD 7209 3134928036.70 25.49 3134928036.70 25.49 142.32 7.44 172.28 95.72 ONSALA60 7213 to WESTFORD 7209 5600741442.69 22.17 5600741442.69 22.17 113.43 10.17 -95.36 65.27 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:28 Correlator type: Unknown Experiment code: pol103 Mark-3 db_name: $83MAR21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830321_a Ver 2 pol103 Matrix Condition Number = 5.045756072009719E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.2 4.3 826.9 1.0 32.9 4.4 WESTFORD MET 5.2 0.7 988.3 2.7 34.4 4.7 Run 26091-1739 217 Observation Pairs Available Session started on: 2445415.259000 1983.03.21 18:12:57.600 UTC Nominal duration: 91739.520 sec 01 01:28:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 154 144.327 ps 0.89 0.9906 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 156 Number of potentially good observations with QC 5-9: 156 Number of used observations: 154 ( 98.72%) Number of suppressed observations: 2 ( 1.28%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 154 156 144.327 0.89 19830321_a pol103 1983.03.22-06:57:27.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 10 13 121.432 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 0212+735 J0217+7349 5 5 15 118.971 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 0234+285 J0237+2848 12 12 15 210.726 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 0552+398 J0555+3948 13 14 19 120.884 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 1637+574 J1638+5720 7 7 18 229.531 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 2134+00 J2136+0041 12 12 14 135.172 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 3C273B J1229+0203 14 14 14 110.366 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 3C345 J1642+3948 18 18 18 182.416 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 3C454.3 J2253+1608 12 12 13 99.936 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: 4C39.25 J0927+3902 5 5 14 78.298 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: NRAO150 J0359+5057 10 10 16 123.638 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: OJ287 J0854+2006 11 11 14 137.273 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: OQ208 J1407+2827 17 17 20 138.126 19830321_a pol103 1983.03.22-06:57:27.360 SRC_STAT: VR422201 J2202+4216 9 9 14 134.561 19830321_a pol103 1983.03.22-06:57:27.360 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.03.22-06:56:55 1. HRAS_085 7216 NOAM X Comp -1324211056.24 mm -39.239 mm 9.091 mm 9.048 mm 2. HRAS_085 7216 NOAM Y Comp -5332023197.09 mm -115.088 mm 37.403 mm 37.227 mm 3. HRAS_085 7216 NOAM Z Comp 3232118437.84 mm 130.838 mm 28.052 mm 27.921 mm HRAS_085 7216 U Comp 170.92 mm 170.916 mm 45.558 mm 40.723 mm HRAS_085 7216 E Comp -10.34 mm -10.343 mm 10.529 mm 9.411 mm HRAS_085 7216 N Comp 50.84 mm 50.837 mm 9.066 mm 8.103 mm 4. HRAS_085 CL 0 1983.03.21-18:12:25.416 6434.198 ns 0.465 ns 0.463 ns 5. HRAS_085 CL 1 1983.03.21-18:12:25.416 61.132 D-14 2.171 D-14 2.161 D-14 6. HRAS_085 CL 2 1983.03.21-18:12:25.416 4.205 D-14/day 1.749 D-14/day 1.741 D-14/day 33. HRAS_085 AT 0 1983.03.21-18:12:25.416 -163.714 ps 116.055 ps 115.509 ps HRAS_085 Atm 1983.03.22-07:12:57.600 Avg: -107.327 ps Rms: 77.178 ps Tot_Rms: 132.194 ps || Nat: 217 Dura: 91740.0 sec Tzd_avg: 6506.3 Tzd_rms: 18.1 Wzd_avg: 178.9 Wzd_rms: 17.7 ps Prs_avg: 82686. Pa Tem_avg: 7.2 C Stm_avg: -1.5 C Stm_rms: 2.8 K Spr_avg: -599. Spr_rms: 44. Pa 112. HRAS_085 NG 1983.03.21-18:11:25.416 0.007 mm 0.422 mm 0.420 mm 113. HRAS_085 EG 1983.03.21-18:11:25.416 -0.002 mm 0.422 mm 0.420 mm 114. HRAS_085 NG 1983.03.22-02:11:25.416 -0.012 mm 0.377 mm 0.375 mm 115. HRAS_085 EG 1983.03.22-02:11:25.416 0.017 mm 0.377 mm 0.375 mm 116. HRAS_085 NG 1983.03.22-10:11:25.416 -0.005 mm 0.377 mm 0.375 mm 117. HRAS_085 EG 1983.03.22-10:11:25.416 -0.007 mm 0.377 mm 0.375 mm 118. HRAS_085 NG 1983.03.22-18:11:25.416 -0.003 mm 0.422 mm 0.420 mm 119. HRAS_085 EG 1983.03.22-18:11:25.416 -0.004 mm 0.422 mm 0.420 mm 120. WESTFORD 7209 NOAM X Comp 1492206582.24 mm 39.239 mm 9.091 mm 9.048 mm 121. WESTFORD 7209 NOAM Y Comp -4458130406.91 mm 115.088 mm 37.403 mm 37.227 mm 122. WESTFORD 7209 NOAM Z Comp 4296015416.16 mm -130.838 mm 28.052 mm 27.921 mm WESTFORD 7209 U Comp -159.74 mm -159.736 mm 43.980 mm 39.313 mm WESTFORD 7209 E Comp 73.74 mm 73.740 mm 16.654 mm 14.887 mm WESTFORD 7209 N Comp -30.83 mm -30.832 mm 7.547 mm 6.746 mm 123. WESTFORD AT 0 1983.03.21-18:12:25.416 232.047 ps 69.100 ps 68.775 ps WESTFORD Atm 1983.03.22-07:12:57.600 Avg: 139.083 ps Rms: 85.857 ps Tot_Rms: 163.449 ps || Nat: 217 Dura: 91740.0 sec Tzd_avg: 7779.3 Tzd_rms: 77.5 Wzd_avg: 346.9 Wzd_rms: 73.0 ps Prs_avg: 98835. Pa Tem_avg: 5.2 C Stm_avg: -1.8 C Stm_rms: 2.7 K Spr_avg: 795. Spr_rms: 77. Pa 202. WESTFORD NG 1983.03.21-18:11:25.416 -0.008 mm 0.422 mm 0.420 mm 203. WESTFORD EG 1983.03.21-18:11:25.416 0.008 mm 0.422 mm 0.420 mm 204. WESTFORD NG 1983.03.22-02:11:25.416 0.019 mm 0.377 mm 0.375 mm 205. WESTFORD EG 1983.03.22-02:11:25.416 0.001 mm 0.377 mm 0.375 mm 206. WESTFORD NG 1983.03.22-10:11:25.416 0.003 mm 0.377 mm 0.375 mm 207. WESTFORD EG 1983.03.22-10:11:25.416 0.012 mm 0.377 mm 0.375 mm 208. WESTFORD NG 1983.03.22-18:11:25.416 -0.004 mm 0.422 mm 0.420 mm 209. WESTFORD EG 1983.03.22-18:11:25.416 0.000 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 19.13 ps/h NRMS 0.38 share 0.96 count 79 2. WESTFORD Input 50.00 ps/h RMS 18.92 ps/h NRMS 0.38 share 0.94 count 79 Overall RMS 19.03 ps/h NRMS 0.38 share 0.95 count 158 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 12.70 D-14 NRMS 2.54 share 0.48 count 27 Overall RMS 12.70 D-14 NRMS 2.54 share 0.48 count 27 210. UT1-TAI 1, 1983.03.22-06:57:00.000 -3.6103 ms/d -939.70 micros/d 379.79 micros/d 378.01 micros/d EOP epoch (TDT) MJD: 45415.289956 NUT epoch (TDT) MJD: 45415.302283 211. Nutation DPSI wrt apriori model 1983.03.22-06:56:55.176 -21.613 mas 4630.9 microasec 4609.1 microasec Nutation Dx wrt apriori model 1983.03.22-06:56:55.176 -8.595 mas 1836.6 microasec 1828.0 microasec Nutation DPSI wrt Wahr 1980 model 1983.03.22-06:56:55.176 -17.370 mas 4630.9 microasec 4609.1 microasec 212. Nutation DEPS wrt apriori model 1983.03.22-06:56:55.176 -0.638 mas 1496.8 microasec 1489.7 microasec Nutation Dy wrt apriori model 1983.03.22-06:56:55.176 -0.670 mas 1503.7 microasec 1496.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.03.22-06:56:55.176 0.072 mas 1496.8 microasec 1489.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0812 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.03.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928022.07 19.71 3134928022.07 19.71 96.80 13.32 340.79 92.24 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:30 Correlator type: Unknown Experiment code: pol104 Mark-3 db_name: $83MAR28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830328_a Ver 2 pol104 Matrix Condition Number = 2.249312742744070E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 11.7 4.2 829.8 1.3 20.7 2.0 WESTFORD MET 6.0 1.8 998.8 1.7 84.4 44.4 Run 26091-1739 222 Observation Pairs Available Session started on: 2445422.237400 1983.03.28 17:41:51.360 UTC Nominal duration: 87851.520 sec 01 00:24:11.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 187 84.669 ps 0.91 1.0396 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 191 Number of potentially good observations with QC 5-9: 191 Number of used observations: 187 ( 97.91%) Number of suppressed observations: 4 ( 2.09%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 187 191 84.669 0.91 19830328_a pol104 1983.03.29-05:53:57.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 12 12 105.898 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 0212+735 J0217+7349 12 12 14 106.197 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 0234+285 J0237+2848 12 12 13 105.082 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 0552+398 J0555+3948 16 16 18 85.030 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 1637+574 J1638+5720 8 8 20 154.984 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 2134+00 J2136+0041 12 12 16 90.532 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 3C273B J1229+0203 17 17 17 57.258 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 3C345 J1642+3948 21 21 21 50.908 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 3C454.3 J2253+1608 14 15 15 80.143 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: 4C39.25 J0927+3902 6 6 14 84.897 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: NRAO150 J0359+5057 14 14 15 84.615 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: OJ287 J0854+2006 15 15 15 76.685 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: OQ208 J1407+2827 19 20 21 85.328 19830328_a pol104 1983.03.29-05:53:57.120 SRC_STAT: VR422201 J2202+4216 11 11 11 141.614 19830328_a pol104 1983.03.29-05:53:57.120 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.03.29-05:53:24 1. HRAS_085 7216 NOAM X Comp -1324211060.08 mm -43.080 mm 5.947 mm 6.063 mm 2. HRAS_085 7216 NOAM Y Comp -5332023174.12 mm -92.121 mm 24.704 mm 25.188 mm 3. HRAS_085 7216 NOAM Z Comp 3232118419.97 mm 112.974 mm 18.978 mm 19.350 mm HRAS_085 7216 U Comp 143.43 mm 143.431 mm 30.233 mm 27.448 mm HRAS_085 7216 E Comp -19.61 mm -19.606 mm 7.627 mm 6.925 mm HRAS_085 7216 N Comp 46.35 mm 46.353 mm 5.794 mm 5.261 mm 4. HRAS_085 CL 0 1983.03.28-17:41:19.176 6615.810 ns 0.294 ns 0.300 ns 5. HRAS_085 CL 1 1983.03.28-17:41:19.176 25.042 D-14 2.118 D-14 2.160 D-14 6. HRAS_085 CL 2 1983.03.28-17:41:19.176 1.728 D-14/day 1.788 D-14/day 1.823 D-14/day 32. HRAS_085 AT 0 1983.03.28-17:41:19.176 -114.687 ps 88.021 ps 89.748 ps HRAS_085 Atm 1983.03.29-06:11:51.360 Avg: -105.767 ps Rms: 17.700 ps Tot_Rms: 107.238 ps || Nat: 222 Dura: 87850.0 sec Tzd_avg: 6563.4 Tzd_rms: 13.9 Wzd_avg: 212.5 Wzd_rms: 15.5 ps Prs_avg: 82984. Pa Tem_avg: 11.7 C Stm_avg: -4.2 C Stm_rms: 3.2 K Spr_avg: -626. Spr_rms: 50. Pa 108. HRAS_085 NG 1983.03.28-17:40:19.176 0.017 mm 0.422 mm 0.431 mm 109. HRAS_085 EG 1983.03.28-17:40:19.176 0.012 mm 0.422 mm 0.431 mm 110. HRAS_085 NG 1983.03.29-01:40:19.176 0.005 mm 0.377 mm 0.384 mm 111. HRAS_085 EG 1983.03.29-01:40:19.176 0.016 mm 0.377 mm 0.384 mm 112. HRAS_085 NG 1983.03.29-09:40:19.176 -0.002 mm 0.377 mm 0.384 mm 113. HRAS_085 EG 1983.03.29-09:40:19.176 0.004 mm 0.377 mm 0.384 mm 114. HRAS_085 NG 1983.03.29-17:40:19.176 -0.022 mm 0.422 mm 0.431 mm 115. HRAS_085 EG 1983.03.29-17:40:19.176 -0.013 mm 0.422 mm 0.431 mm 116. WESTFORD 7209 NOAM X Comp 1492206586.08 mm 43.080 mm 5.947 mm 6.063 mm 117. WESTFORD 7209 NOAM Y Comp -4458130429.88 mm 92.121 mm 24.704 mm 25.188 mm 118. WESTFORD 7209 NOAM Z Comp 4296015434.03 mm -112.974 mm 18.978 mm 19.350 mm WESTFORD 7209 U Comp -130.72 mm -130.715 mm 29.711 mm 26.974 mm WESTFORD 7209 E Comp 70.09 mm 70.092 mm 10.339 mm 9.387 mm WESTFORD 7209 N Comp -33.26 mm -33.255 mm 4.014 mm 3.644 mm 119. WESTFORD AT 0 1983.03.28-17:41:19.176 77.205 ps 46.881 ps 47.801 ps WESTFORD Atm 1983.03.29-06:11:51.360 Avg: 34.671 ps Rms: 14.658 ps Tot_Rms: 37.642 ps || Nat: 222 Dura: 87850.0 sec Tzd_avg: 7808.2 Tzd_rms: 65.7 Wzd_avg: 293.8 Wzd_rms: 78.4 ps Prs_avg: 99884. Pa Tem_avg: 6.0 C Stm_avg: 3.2 C Stm_rms: 2.3 K Spr_avg: 789. Spr_rms: 38. Pa 195. WESTFORD NG 1983.03.28-17:40:19.176 -0.010 mm 0.422 mm 0.431 mm 196. WESTFORD EG 1983.03.28-17:40:19.176 -0.001 mm 0.422 mm 0.430 mm 197. WESTFORD NG 1983.03.29-01:40:19.176 -0.003 mm 0.377 mm 0.384 mm 198. WESTFORD EG 1983.03.29-01:40:19.176 -0.006 mm 0.377 mm 0.384 mm 199. WESTFORD NG 1983.03.29-09:40:19.176 0.001 mm 0.377 mm 0.384 mm 200. WESTFORD EG 1983.03.29-09:40:19.176 -0.012 mm 0.377 mm 0.384 mm 201. WESTFORD NG 1983.03.29-17:40:19.176 0.010 mm 0.422 mm 0.431 mm 202. WESTFORD EG 1983.03.29-17:40:19.176 0.005 mm 0.422 mm 0.430 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.31 ps/h NRMS 0.29 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 15.75 ps/h NRMS 0.31 share 0.91 count 76 Overall RMS 15.05 ps/h NRMS 0.30 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.68 D-14 NRMS 0.94 share 0.30 count 26 Overall RMS 4.68 D-14 NRMS 0.94 share 0.30 count 26 203. UT1-TAI 1, 1983.03.29-05:54:00.000 -3.4309 ms/d 75.94 micros/d 240.38 micros/d 245.10 micros/d EOP epoch (TDT) MJD: 45422.246206 NUT epoch (TDT) MJD: 45422.259448 204. Nutation DPSI wrt apriori model 1983.03.29-05:53:24.936 -1.502 mas 3078.3 microasec 3138.7 microasec Nutation Dx wrt apriori model 1983.03.29-05:53:24.936 -0.598 mas 1221.8 microasec 1245.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.03.29-05:53:24.936 3.897 mas 3078.3 microasec 3138.7 microasec 205. Nutation DEPS wrt apriori model 1983.03.29-05:53:24.936 0.148 mas 736.8 microasec 751.2 microasec Nutation Dy wrt apriori model 1983.03.29-05:53:24.936 0.146 mas 741.4 microasec 755.9 microasec Nutation DEPS wrt Wahr 1980 model 1983.03.29-05:53:24.936 0.392 mas 736.8 microasec 751.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1181 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.03.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928028.29 12.77 3134928028.29 12.77 99.54 6.83 282.49 61.75 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:33 Correlator type: Unknown Experiment code: pol105 Mark-3 db_name: $83APR04X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830404_a Ver 2 pol105 Matrix Condition Number = 1.419190935820504E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -1.0 5.0 825.7 3.7 39.2 24.0 WESTFORD MET 8.6 1.5 1008.5 1.1 26.1 2.5 Run 26091-1739 236 Observation Pairs Available Session started on: 2445429.343200 1983.04.04 20:14:12.480 UTC Nominal duration: 88378.560 sec 01 00:32:58.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 187 70.289 ps 0.88 1.0040 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 189 Number of potentially good observations with QC 5-9: 189 Number of used observations: 187 ( 98.94%) Number of suppressed observations: 2 ( 1.06%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 187 189 70.289 0.88 19830404_a pol105 1983.04.05-08:30:41.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 14 15 60.912 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 0212+735 J0217+7349 6 6 15 98.112 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 0234+285 J0237+2848 15 15 17 78.320 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 0552+398 J0555+3948 18 18 19 69.602 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 1637+574 J1638+5720 7 7 21 153.991 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 2134+00 J2136+0041 11 11 15 55.355 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 3C273B J1229+0203 16 16 17 38.181 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 3C345 J1642+3948 19 19 21 67.788 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 3C454.3 J2253+1608 14 14 14 46.820 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: 4C39.25 J0927+3902 4 4 15 83.919 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: NRAO150 J0359+5057 17 17 17 68.337 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: OJ287 J0854+2006 15 15 16 66.406 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: OQ208 J1407+2827 20 20 21 124.217 19830404_a pol105 1983.04.05-08:30:41.760 SRC_STAT: VR422201 J2202+4216 13 13 13 75.206 19830404_a pol105 1983.04.05-08:30:41.760 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.04.05-08:30:09 1. HRAS_085 7216 NOAM X Comp -1324211072.63 mm -55.626 mm 4.969 mm 4.979 mm 2. HRAS_085 7216 NOAM Y Comp -5332023137.48 mm -55.478 mm 19.747 mm 19.786 mm 3. HRAS_085 7216 NOAM Z Comp 3232118421.62 mm 114.622 mm 15.068 mm 15.098 mm HRAS_085 7216 U Comp 116.27 mm 116.273 mm 24.002 mm 21.200 mm HRAS_085 7216 E Comp -40.61 mm -40.614 mm 6.451 mm 5.698 mm HRAS_085 7216 N Comp 64.35 mm 64.353 mm 4.894 mm 4.323 mm 4. HRAS_085 CL 0 1983.04.04-20:13:40.296 6832.040 ns 0.277 ns 0.278 ns 5. HRAS_085 CL 1 1983.04.04-20:13:40.296 33.197 D-14 2.093 D-14 2.097 D-14 6. HRAS_085 CL 2 1983.04.04-20:13:40.296 1.099 D-14/day 1.746 D-14/day 1.749 D-14/day 32. HRAS_085 AT 0 1983.04.04-20:13:40.296 -81.577 ps 65.608 ps 65.740 ps HRAS_085 Atm 1983.04.05-08:44:12.480 Avg: -53.896 ps Rms: 64.532 ps Tot_Rms: 84.079 ps || Nat: 236 Dura: 88380.0 sec Tzd_avg: 6557.9 Tzd_rms: 29.3 Wzd_avg: 242.6 Wzd_rms: 44.2 ps Prs_avg: 82567. Pa Tem_avg: -1.0 C Stm_avg: -7.8 C Stm_rms: 3.9 K Spr_avg: -587. Spr_rms: 87. Pa 108. HRAS_085 NG 1983.04.04-20:12:40.296 -0.001 mm 0.422 mm 0.423 mm 109. HRAS_085 EG 1983.04.04-20:12:40.296 0.021 mm 0.422 mm 0.423 mm 110. HRAS_085 NG 1983.04.05-04:12:40.296 0.006 mm 0.377 mm 0.378 mm 111. HRAS_085 EG 1983.04.05-04:12:40.296 0.025 mm 0.377 mm 0.378 mm 112. HRAS_085 NG 1983.04.05-12:12:40.296 -0.011 mm 0.377 mm 0.378 mm 113. HRAS_085 EG 1983.04.05-12:12:40.296 0.002 mm 0.377 mm 0.378 mm 114. HRAS_085 NG 1983.04.05-20:12:40.296 -0.021 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1983.04.05-20:12:40.296 -0.011 mm 0.422 mm 0.423 mm 116. WESTFORD 7209 NOAM X Comp 1492206598.63 mm 55.626 mm 4.969 mm 4.979 mm 117. WESTFORD 7209 NOAM Y Comp -4458130466.52 mm 55.478 mm 19.747 mm 19.786 mm 118. WESTFORD 7209 NOAM Z Comp 4296015432.38 mm -114.622 mm 15.068 mm 15.098 mm WESTFORD 7209 U Comp -103.33 mm -103.328 mm 23.687 mm 20.922 mm WESTFORD 7209 E Comp 70.36 mm 70.358 mm 8.186 mm 7.230 mm WESTFORD 7209 N Comp -60.69 mm -60.691 mm 3.682 mm 3.252 mm 119. WESTFORD AT 0 1983.04.04-20:13:40.296 47.145 ps 65.087 ps 65.219 ps WESTFORD Atm 1983.04.05-08:44:12.480 Avg: 42.247 ps Rms: 23.976 ps Tot_Rms: 48.576 ps || Nat: 236 Dura: 88380.0 sec Tzd_avg: 7849.8 Tzd_rms: 11.2 Wzd_avg: 258.2 Wzd_rms: 17.6 ps Prs_avg: 100848. Pa Tem_avg: 8.6 C Stm_avg: 2.1 C Stm_rms: 1.9 K Spr_avg: 751. Spr_rms: 33. Pa 195. WESTFORD NG 1983.04.04-20:12:40.296 0.004 mm 0.422 mm 0.423 mm 196. WESTFORD EG 1983.04.04-20:12:40.296 -0.006 mm 0.422 mm 0.423 mm 197. WESTFORD NG 1983.04.05-04:12:40.296 -0.005 mm 0.377 mm 0.378 mm 198. WESTFORD EG 1983.04.05-04:12:40.296 -0.009 mm 0.377 mm 0.378 mm 199. WESTFORD NG 1983.04.05-12:12:40.296 0.002 mm 0.377 mm 0.378 mm 200. WESTFORD EG 1983.04.05-12:12:40.296 0.007 mm 0.377 mm 0.378 mm 201. WESTFORD NG 1983.04.05-20:12:40.296 -0.001 mm 0.422 mm 0.423 mm 202. WESTFORD EG 1983.04.05-20:12:40.296 0.023 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 17.81 ps/h NRMS 0.36 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.74 ps/h NRMS 0.29 share 0.89 count 76 Overall RMS 16.35 ps/h NRMS 0.33 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.89 D-14 NRMS 0.98 share 0.27 count 26 Overall RMS 4.89 D-14 NRMS 0.98 share 0.27 count 26 203. UT1-TAI 1, 1983.04.05-08:30:00.000 -2.5257 ms/d 1.60 micros/d 239.30 micros/d 239.78 micros/d EOP epoch (TDT) MJD: 45429.354539 NUT epoch (TDT) MJD: 45429.364474 204. Nutation DPSI wrt apriori model 1983.04.05-08:30:09.576 -0.799 mas 2386.4 microasec 2391.2 microasec Nutation Dx wrt apriori model 1983.04.05-08:30:09.576 -0.319 mas 946.1 microasec 948.0 microasec Nutation DPSI wrt Wahr 1980 model 1983.04.05-08:30:09.576 4.020 mas 2386.4 microasec 2391.2 microasec 205. Nutation DEPS wrt apriori model 1983.04.05-08:30:09.576 0.328 mas 860.1 microasec 861.8 microasec Nutation Dy wrt apriori model 1983.04.05-08:30:09.576 0.327 mas 863.6 microasec 865.4 microasec Nutation DEPS wrt Wahr 1980 model 1983.04.05-08:30:09.576 0.315 mas 860.1 microasec 861.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0814 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.04.05 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928029.28 10.69 3134928029.28 10.69 152.70 6.27 226.06 49.12 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:36 Correlator type: Unknown Experiment code: pol106 Mark-3 db_name: $83APR11X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830411_a Ver 2 pol106 Matrix Condition Number = 1.506816661965250E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.8 4.8 822.7 0.8 6.9 3.8 WESTFORD MET 8.0 1.1 998.8 3.7 76.0 37.5 Run 26091-1739 227 Observation Pairs Available Session started on: 2445436.237600 1983.04.11 17:42:08.640 UTC Nominal duration: 88309.440 sec 01 00:31:49.440 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 182 57.304 ps 0.86 0.9772 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 183 Number of potentially good observations with QC 5-9: 183 Number of used observations: 182 ( 99.45%) Number of suppressed observations: 1 ( 0.55%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 182 183 57.304 0.86 19830411_a pol106 1983.04.12-05:58:03.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 11 14 70.065 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 0212+735 J0217+7349 11 11 14 96.513 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 0234+285 J0237+2848 15 15 16 78.392 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 0552+398 J0555+3948 17 17 17 75.828 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 1637+574 J1638+5720 7 7 20 123.685 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 2134+00 J2136+0041 10 10 16 92.321 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 3C273B J1229+0203 15 15 15 24.187 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 3C345 J1642+3948 17 17 20 28.468 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 3C454.3 J2253+1608 15 15 16 34.265 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: 4C39.25 J0927+3902 6 6 14 75.359 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: NRAO150 J0359+5057 15 15 15 93.439 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: OJ287 J0854+2006 15 15 15 38.494 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: OQ208 J1407+2827 19 19 22 101.749 19830411_a pol106 1983.04.12-05:58:03.360 SRC_STAT: VR422201 J2202+4216 10 10 13 71.172 19830411_a pol106 1983.04.12-05:58:03.360 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.04.12-05:57:31 1. HRAS_085 7216 NOAM X Comp -1324211068.84 mm -51.839 mm 4.794 mm 4.739 mm 2. HRAS_085 7216 NOAM Y Comp -5332023139.65 mm -57.647 mm 20.159 mm 19.927 mm 3. HRAS_085 7216 NOAM Z Comp 3232118416.76 mm 109.765 mm 15.758 mm 15.578 mm HRAS_085 7216 U Comp 114.82 mm 114.824 mm 24.639 mm 21.273 mm HRAS_085 7216 E Comp -36.42 mm -36.416 mm 6.757 mm 5.834 mm HRAS_085 7216 N Comp 59.57 mm 59.566 mm 4.993 mm 4.311 mm 4. HRAS_085 CL 0 1983.04.11-17:41:36.456 6975.911 ns 0.289 ns 0.286 ns 5. HRAS_085 CL 1 1983.04.11-17:41:36.456 -27.598 D-14 2.132 D-14 2.108 D-14 6. HRAS_085 CL 2 1983.04.11-17:41:36.456 0.124 D-14/day 1.783 D-14/day 1.763 D-14/day 32. HRAS_085 AT 0 1983.04.11-17:41:36.456 -106.693 ps 74.082 ps 73.233 ps HRAS_085 Atm 1983.04.12-06:12:08.640 Avg: -85.359 ps Rms: 49.256 ps Tot_Rms: 98.551 ps || Nat: 227 Dura: 88310.0 sec Tzd_avg: 6450.9 Tzd_rms: 13.8 Wzd_avg: 122.6 Wzd_rms: 18.6 ps Prs_avg: 82273. Pa Tem_avg: 13.8 C Stm_avg: -0.9 C Stm_rms: 1.3 K Spr_avg: -1000. Spr_rms: 90. Pa 108. HRAS_085 NG 1983.04.11-17:40:36.456 0.014 mm 0.422 mm 0.417 mm 109. HRAS_085 EG 1983.04.11-17:40:36.456 0.003 mm 0.422 mm 0.417 mm 110. HRAS_085 NG 1983.04.12-01:40:36.456 0.015 mm 0.377 mm 0.373 mm 111. HRAS_085 EG 1983.04.12-01:40:36.456 0.028 mm 0.377 mm 0.373 mm 112. HRAS_085 NG 1983.04.12-09:40:36.456 -0.007 mm 0.377 mm 0.373 mm 113. HRAS_085 EG 1983.04.12-09:40:36.456 -0.010 mm 0.377 mm 0.373 mm 114. HRAS_085 NG 1983.04.12-17:40:36.456 -0.023 mm 0.422 mm 0.417 mm 115. HRAS_085 EG 1983.04.12-17:40:36.456 -0.027 mm 0.422 mm 0.417 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.84 mm 51.839 mm 4.794 mm 4.739 mm 117. WESTFORD 7209 NOAM Y Comp -4458130464.35 mm 57.647 mm 20.159 mm 19.927 mm 118. WESTFORD 7209 NOAM Z Comp 4296015437.24 mm -109.765 mm 15.758 mm 15.578 mm WESTFORD 7209 U Comp -102.44 mm -102.437 mm 24.601 mm 21.240 mm WESTFORD 7209 E Comp 67.46 mm 67.456 mm 7.817 mm 6.749 mm WESTFORD 7209 N Comp -54.91 mm -54.909 mm 3.373 mm 2.912 mm 119. WESTFORD AT 0 1983.04.11-17:41:36.456 115.176 ps 68.793 ps 68.004 ps WESTFORD Atm 1983.04.12-06:12:08.640 Avg: 43.502 ps Rms: 29.638 ps Tot_Rms: 52.639 ps || Nat: 227 Dura: 88310.0 sec Tzd_avg: 7775.1 Tzd_rms: 25.7 Wzd_avg: 257.2 Wzd_rms: 30.2 ps Prs_avg: 99885. Pa Tem_avg: 8.0 C Stm_avg: 1.7 C Stm_rms: 1.8 K Spr_avg: 759. Spr_rms: 21. Pa 195. WESTFORD NG 1983.04.11-17:40:36.456 -0.001 mm 0.422 mm 0.417 mm 196. WESTFORD EG 1983.04.11-17:40:36.456 -0.011 mm 0.422 mm 0.417 mm 197. WESTFORD NG 1983.04.12-01:40:36.456 0.011 mm 0.377 mm 0.373 mm 198. WESTFORD EG 1983.04.12-01:40:36.456 -0.031 mm 0.377 mm 0.373 mm 199. WESTFORD NG 1983.04.12-09:40:36.456 0.013 mm 0.377 mm 0.373 mm 200. WESTFORD EG 1983.04.12-09:40:36.456 -0.008 mm 0.377 mm 0.373 mm 201. WESTFORD NG 1983.04.12-17:40:36.456 0.009 mm 0.422 mm 0.418 mm 202. WESTFORD EG 1983.04.12-17:40:36.456 0.008 mm 0.422 mm 0.417 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.15 ps/h NRMS 0.28 share 0.90 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.09 ps/h NRMS 0.24 share 0.89 count 76 Overall RMS 13.16 ps/h NRMS 0.26 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.80 D-14 NRMS 0.76 share 0.25 count 26 Overall RMS 3.80 D-14 NRMS 0.76 share 0.25 count 26 203. UT1-TAI 1, 1983.04.12-05:58:00.000 -3.2375 ms/d -165.84 micros/d 251.74 micros/d 248.85 micros/d EOP epoch (TDT) MJD: 45436.248984 NUT epoch (TDT) MJD: 45436.231472 204. Nutation DPSI wrt apriori model 1983.04.12-05:57:31.176 -1.155 mas 2797.3 microasec 2765.2 microasec Nutation Dx wrt apriori model 1983.04.12-05:57:31.176 -0.454 mas 1110.3 microasec 1097.6 microasec Nutation DPSI wrt Wahr 1980 model 1983.04.12-05:57:31.176 4.688 mas 2797.3 microasec 2765.2 microasec 205. Nutation DEPS wrt apriori model 1983.04.12-05:57:31.176 -1.317 mas 664.2 microasec 656.6 microasec Nutation Dy wrt apriori model 1983.04.12-05:57:31.176 -1.318 mas 668.3 microasec 660.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.04.12-05:57:31.176 -0.997 mas 664.2 microasec 656.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0563 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.04.12 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928026.98 10.15 3134928026.98 10.15 140.07 5.84 223.69 50.73 NNT_POS: 2 stations participated in NNT_POS constraints: ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:39 Correlator type: Unknown Experiment code: pol107 Mark-3 db_name: $83APR18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830418_a Ver 2 pol107 Matrix Condition Number = 2.126258502618168E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -999.0 0.0 -999.0 0.0 0.0 0.0 ONSALA60 MET 10.2 2.6 1005.2 0.3 52.6 18.7 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 6.9 2.6 996.8 2.1 19.4 25.4 Run 26091-1739 234 Observation Pairs Available Session started on: 2445443.292800 1983.04.18 19:01:37.920 UTC Nominal duration: 80127.360 sec 00 22:15:27.360 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 79 66.718 ps 0.77 1.0587 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 80 Number of potentially good observations with QC 5-9: 80 Number of used observations: 79 ( 98.75%) Number of suppressed observations: 1 ( 1.25%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085-ONSALA60 No Data HRAS_085-ONSALA85 No Data ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 79 80 66.718 0.77 19830418_a pol107 1983.04.19-06:09:21.6 BAS_STAT Not included: HRAS_085 WESTFORD 0/ 0 deselected baseline 19830418_a pol107 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830418_a pol107 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 0 0 7 0.000 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 0212+735 J0217+7349 13 14 32 74.860 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 0234+285 J0237+2848 7 7 14 58.517 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 0552+398 J0555+3948 9 9 18 96.363 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 1637+574 J1638+5720 6 6 28 116.600 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 2134+00 J2136+0041 5 5 12 106.817 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 3C273B J1229+0203 2 2 4 18.188 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 3C345 J1642+3948 8 8 16 57.097 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 3C454.3 J2253+1608 2 2 12 60.169 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: 4C39.25 J0927+3902 3 3 20 51.768 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: NRAO150 J0359+5057 6 6 25 65.389 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: OJ287 J0854+2006 4 4 8 45.350 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: OQ208 J1407+2827 5 5 14 64.405 19830418_a pol107 1983.04.19-06:09:21.600 SRC_STAT: VR422201 J2202+4216 9 9 24 43.756 19830418_a pol107 1983.04.19-06:09:21.600 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.04.19-06:08:49 1. ONSALA60 7213 EURA X Comp 3370605973.54 mm -15.455 mm 15.008 mm 15.442 mm 2. ONSALA60 7213 EURA Y Comp 711917401.76 mm -127.241 mm 12.503 mm 12.865 mm 3. ONSALA60 7213 EURA Z Comp 5349830714.19 mm -51.806 mm 25.673 mm 26.415 mm ONSALA60 7213 U Comp -65.96 mm -65.959 mm 28.357 mm 21.843 mm ONSALA60 7213 E Comp -121.30 mm -121.300 mm 13.716 mm 10.565 mm ONSALA60 7213 N Comp 6.98 mm 6.975 mm 6.960 mm 5.361 mm 4. ONSALA60 CL 0 1983.04.18-19:01:05.736 814.414 ns 0.275 ns 0.283 ns 5. ONSALA60 CL 1 1983.04.18-19:01:05.736 -63.510 D-14 2.339 D-14 2.407 D-14 6. ONSALA60 CL 2 1983.04.18-19:01:05.736 1.050 D-14/day 2.199 D-14/day 2.263 D-14/day 30. ONSALA60 AT 0 1983.04.18-19:01:05.736 -64.311 ps 44.080 ps 45.354 ps ONSALA60 Atm 1983.04.19-06:31:37.920 Avg: -10.970 ps Rms: 27.446 ps Tot_Rms: 29.557 ps || Nat: 116 Dura: 80120.0 sec Tzd_avg: 7974.0 Tzd_rms: 40.6 Wzd_avg: 378.3 Wzd_rms: 43.4 ps Prs_avg: 100517. Pa Tem_avg: 10.2 C Stm_avg: 0.8 C Stm_rms: 0.9 K Spr_avg: 181. Spr_rms: 28. Pa 100. ONSALA60 NG 1983.04.18-19:00:05.736 -0.001 mm 0.422 mm 0.435 mm 101. ONSALA60 EG 1983.04.18-19:00:05.736 -0.007 mm 0.422 mm 0.434 mm 102. ONSALA60 NG 1983.04.19-03:00:05.736 -0.007 mm 0.377 mm 0.388 mm 103. ONSALA60 EG 1983.04.19-03:00:05.736 -0.002 mm 0.377 mm 0.388 mm 104. ONSALA60 NG 1983.04.19-11:00:05.736 -0.004 mm 0.377 mm 0.388 mm 105. ONSALA60 EG 1983.04.19-11:00:05.736 0.004 mm 0.377 mm 0.388 mm 106. ONSALA60 NG 1983.04.19-19:00:05.736 0.000 mm 0.422 mm 0.435 mm 107. ONSALA60 EG 1983.04.19-19:00:05.736 0.005 mm 0.422 mm 0.435 mm 108. WESTFORD 7209 NOAM X Comp 1492206558.46 mm 15.455 mm 15.008 mm 15.442 mm 109. WESTFORD 7209 NOAM Y Comp -4458130394.76 mm 127.241 mm 12.503 mm 12.865 mm 110. WESTFORD 7209 NOAM Z Comp 4296015598.81 mm 51.806 mm 25.673 mm 26.415 mm WESTFORD 7209 U Comp -50.11 mm -50.115 mm 26.309 mm 20.266 mm WESTFORD 7209 E Comp 55.04 mm 55.043 mm 13.242 mm 10.200 mm WESTFORD 7209 N Comp 116.50 mm 116.498 mm 13.160 mm 10.137 mm 111. WESTFORD AT 0 1983.04.18-19:01:05.736 -52.805 ps 51.119 ps 52.596 ps WESTFORD Atm 1983.04.19-06:31:37.920 Avg: -10.217 ps Rms: 18.685 ps Tot_Rms: 21.296 ps || Nat: 117 Dura: 80120.0 sec Tzd_avg: 7765.8 Tzd_rms: 69.1 Wzd_avg: 260.9 Wzd_rms: 76.2 ps Prs_avg: 99682. Pa Tem_avg: 6.8 C Stm_avg: 1.9 C Stm_rms: 1.8 K Spr_avg: 725. Spr_rms: 34. Pa 181. WESTFORD NG 1983.04.18-19:00:05.736 -0.006 mm 0.422 mm 0.434 mm 182. WESTFORD EG 1983.04.18-19:00:05.736 0.019 mm 0.422 mm 0.434 mm 183. WESTFORD NG 1983.04.19-03:00:05.736 -0.008 mm 0.377 mm 0.388 mm 184. WESTFORD EG 1983.04.19-03:00:05.736 0.013 mm 0.377 mm 0.388 mm 185. WESTFORD NG 1983.04.19-11:00:05.736 -0.002 mm 0.377 mm 0.388 mm 186. WESTFORD EG 1983.04.19-11:00:05.736 0.001 mm 0.377 mm 0.388 mm 187. WESTFORD NG 1983.04.19-19:00:05.736 -0.005 mm 0.422 mm 0.435 mm 188. WESTFORD EG 1983.04.19-19:00:05.736 -0.005 mm 0.422 mm 0.435 mm Atmosphere Constraint Statistics 2. ONSALA60 Input 50.00 ps/h RMS 11.62 ps/h NRMS 0.23 share 0.91 count 70 4. WESTFORD Input 50.00 ps/h RMS 9.96 ps/h NRMS 0.20 share 0.90 count 70 Overall RMS 10.82 ps/h NRMS 0.22 share 0.91 count 140 Gradient Constraint Statistics 2. ONSALA60 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 1.94 D-14 NRMS 0.39 share 0.44 count 24 Overall RMS 1.94 D-14 NRMS 0.39 share 0.44 count 24 189. UT1-TAI 1, 1983.04.19-06:09:00.000 -2.5370 ms/d -15.78 micros/d 148.21 micros/d 152.49 micros/d EOP epoch (TDT) MJD: 45443.256623 NUT epoch (TDT) MJD: 45443.198136 190. Nutation DPSI wrt apriori model 1983.04.19-06:08:49.416 -0.446 mas 2244.9 microasec 2309.8 microasec Nutation Dx wrt apriori model 1983.04.19-06:08:49.416 -0.173 mas 888.8 microasec 914.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.04.19-06:08:49.416 4.647 mas 2244.9 microasec 2309.8 microasec 191. Nutation DEPS wrt apriori model 1983.04.19-06:08:49.416 -1.248 mas 1139.0 microasec 1172.0 microasec Nutation Dy wrt apriori model 1983.04.19-06:08:49.416 -1.248 mas 1142.4 microasec 1175.4 microasec Nutation DEPS wrt Wahr 1980 model 1983.04.19-06:08:49.416 -1.704 mas 1139.0 microasec 1172.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3838 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.04.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) ONSALA60 7213 to WESTFORD 7209 5600741457.91 21.99 5600741457.91 21.99 77.73 9.46 -17.46 59.91 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:42 Correlator type: Unknown Experiment code: pol108 Mark-3 db_name: $83APR25X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830425_a Ver 2 pol108 Matrix Condition Number = 1.180077920792787E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.9 4.2 830.6 1.3 24.2 4.2 WESTFORD MET 9.6 1.1 990.3 3.1 66.1 9.8 Run 26091-1739 238 Observation Pairs Available Session started on: 2445450.243100 1983.04.25 17:50:03.840 UTC Nominal duration: 88136.640 sec 01 00:28:56.640 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 194 53.540 ps 0.87 0.9984 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 195 Number of potentially good observations with QC 5-9: 195 Number of used observations: 194 ( 99.49%) Number of suppressed observations: 1 ( 0.51%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 194 195 53.540 0.87 19830425_a pol108 1983.04.26-06:04:32.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 13 125.015 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 0212+735 J0217+7349 11 11 16 139.408 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 0234+285 J0237+2848 15 16 17 67.584 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 0552+398 J0555+3948 20 20 21 70.161 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 1637+574 J1638+5720 5 5 21 129.165 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 2134+00 J2136+0041 11 11 16 97.967 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 3C273B J1229+0203 17 17 17 31.673 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 3C345 J1642+3948 20 20 20 27.363 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 3C454.3 J2253+1608 14 14 14 25.744 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: 4C39.25 J0927+3902 8 8 14 18.358 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: NRAO150 J0359+5057 17 17 18 56.231 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: OJ287 J0854+2006 16 16 16 36.420 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: OQ208 J1407+2827 17 17 22 91.445 19830425_a pol108 1983.04.26-06:04:32.160 SRC_STAT: VR422201 J2202+4216 11 11 13 54.437 19830425_a pol108 1983.04.26-06:04:32.160 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.04.26-06:03:59 1. HRAS_085 7216 NOAM X Comp -1324211074.68 mm -57.680 mm 4.336 mm 4.332 mm 2. HRAS_085 7216 NOAM Y Comp -5332023147.73 mm -65.733 mm 17.898 mm 17.883 mm 3. HRAS_085 7216 NOAM Z Comp 3232118428.74 mm 121.739 mm 14.072 mm 14.061 mm HRAS_085 7216 U Comp 128.89 mm 128.890 mm 21.804 mm 19.054 mm HRAS_085 7216 E Comp -40.14 mm -40.136 mm 6.364 mm 5.561 mm HRAS_085 7216 N Comp 65.15 mm 65.152 mm 4.608 mm 4.027 mm 4. HRAS_085 CL 0 1983.04.25-17:49:31.656 3210.233 ns 0.257 ns 0.257 ns 5. HRAS_085 CL 1 1983.04.25-17:49:31.656 -77.314 D-14 2.095 D-14 2.093 D-14 6. HRAS_085 CL 2 1983.04.25-17:49:31.656 4.938 D-14/day 1.749 D-14/day 1.748 D-14/day 32. HRAS_085 AT 0 1983.04.25-17:49:31.656 -210.107 ps 62.982 ps 62.931 ps HRAS_085 Atm 1983.04.26-06:20:03.840 Avg: -125.465 ps Rms: 56.447 ps Tot_Rms: 137.578 ps || Nat: 238 Dura: 88140.0 sec Tzd_avg: 6541.1 Tzd_rms: 41.1 Wzd_avg: 215.9 Wzd_rms: 47.0 ps Prs_avg: 83058. Pa Tem_avg: 16.9 C Stm_avg: -3.1 C Stm_rms: 2.7 K Spr_avg: -215. Spr_rms: 53. Pa 108. HRAS_085 NG 1983.04.25-17:48:31.656 -0.006 mm 0.422 mm 0.422 mm 109. HRAS_085 EG 1983.04.25-17:48:31.656 0.014 mm 0.422 mm 0.422 mm 110. HRAS_085 NG 1983.04.26-01:48:31.656 -0.002 mm 0.377 mm 0.377 mm 111. HRAS_085 EG 1983.04.26-01:48:31.656 0.001 mm 0.377 mm 0.377 mm 112. HRAS_085 NG 1983.04.26-09:48:31.656 -0.009 mm 0.377 mm 0.377 mm 113. HRAS_085 EG 1983.04.26-09:48:31.656 -0.003 mm 0.377 mm 0.377 mm 114. HRAS_085 NG 1983.04.26-17:48:31.656 -0.016 mm 0.422 mm 0.422 mm 115. HRAS_085 EG 1983.04.26-17:48:31.656 -0.007 mm 0.422 mm 0.422 mm 116. WESTFORD 7209 NOAM X Comp 1492206600.68 mm 57.680 mm 4.336 mm 4.332 mm 117. WESTFORD 7209 NOAM Y Comp -4458130456.27 mm 65.733 mm 17.898 mm 17.883 mm 118. WESTFORD 7209 NOAM Z Comp 4296015425.26 mm -121.739 mm 14.072 mm 14.061 mm WESTFORD 7209 U Comp -114.82 mm -114.823 mm 21.999 mm 19.224 mm WESTFORD 7209 E Comp 75.56 mm 75.561 mm 6.618 mm 5.783 mm WESTFORD 7209 N Comp -59.79 mm -59.786 mm 3.069 mm 2.682 mm 119. WESTFORD AT 0 1983.04.25-17:49:31.656 -24.431 ps 59.307 ps 59.258 ps WESTFORD Atm 1983.04.26-06:20:03.840 Avg: 27.038 ps Rms: 46.257 ps Tot_Rms: 53.579 ps || Nat: 238 Dura: 88140.0 sec Tzd_avg: 7821.0 Tzd_rms: 38.1 Wzd_avg: 375.3 Wzd_rms: 50.9 ps Prs_avg: 99027. Pa Tem_avg: 9.6 C Stm_avg: 0.3 C Stm_rms: 2.3 K Spr_avg: 801. Spr_rms: 57. Pa 195. WESTFORD NG 1983.04.25-17:48:31.656 0.006 mm 0.422 mm 0.422 mm 196. WESTFORD EG 1983.04.25-17:48:31.656 0.002 mm 0.422 mm 0.422 mm 197. WESTFORD NG 1983.04.26-01:48:31.656 -0.008 mm 0.377 mm 0.377 mm 198. WESTFORD EG 1983.04.26-01:48:31.656 0.007 mm 0.377 mm 0.377 mm 199. WESTFORD NG 1983.04.26-09:48:31.656 -0.001 mm 0.377 mm 0.377 mm 200. WESTFORD EG 1983.04.26-09:48:31.656 0.011 mm 0.377 mm 0.377 mm 201. WESTFORD NG 1983.04.26-17:48:31.656 -0.005 mm 0.422 mm 0.422 mm 202. WESTFORD EG 1983.04.26-17:48:31.656 0.018 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.84 ps/h NRMS 0.26 share 0.89 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.21 ps/h NRMS 0.28 share 0.88 count 76 Overall RMS 13.54 ps/h NRMS 0.27 share 0.89 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.21 D-14 NRMS 0.44 share 0.22 count 26 Overall RMS 2.21 D-14 NRMS 0.44 share 0.22 count 26 203. UT1-TAI 1, 1983.04.26-06:04:00.000 -2.9750 ms/d 44.44 micros/d 219.87 micros/d 219.69 micros/d EOP epoch (TDT) MJD: 45450.253150 NUT epoch (TDT) MJD: 45450.247034 204. Nutation DPSI wrt apriori model 1983.04.26-06:03:59.976 -1.561 mas 2282.3 microasec 2280.5 microasec Nutation Dx wrt apriori model 1983.04.26-06:03:59.976 -0.620 mas 905.5 microasec 904.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.04.26-06:03:59.976 4.325 mas 2282.3 microasec 2280.5 microasec 205. Nutation DEPS wrt apriori model 1983.04.26-06:03:59.976 -0.302 mas 657.7 microasec 657.1 microasec Nutation Dy wrt apriori model 1983.04.26-06:03:59.976 -0.305 mas 661.1 microasec 660.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.04.26-06:03:59.976 -0.720 mas 657.7 microasec 657.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0736 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.04.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928033.86 9.24 3134928033.86 9.24 153.56 5.17 250.93 45.13 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:45 Correlator type: Unknown Experiment code: pol109 Mark-3 db_name: $83MAY02X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830502_a Ver 2 pol109 Matrix Condition Number = 1.867889700592419E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 12.5 2.9 836.8 2.6 18.7 2.7 WESTFORD MET 18.2 0.9 1000.2 2.3 54.6 18.6 Run 26091-1739 229 Observation Pairs Available Session started on: 2445457.223600 1983.05.02 17:21:59.040 UTC Nominal duration: 88205.760 sec 01 00:30:05.760 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 180 61.635 ps 0.88 1.0015 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 183 Number of potentially good observations with QC 5-9: 183 Number of used observations: 180 ( 98.36%) Number of suppressed observations: 3 ( 1.64%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 180 183 61.635 0.88 19830502_a pol109 1983.05.03-05:37:01.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 12 69.022 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 0212+735 J0217+7349 10 10 16 167.695 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 0234+285 J0237+2848 14 14 14 71.741 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 0552+398 J0555+3948 20 20 20 81.511 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 1637+574 J1638+5720 5 5 21 161.520 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 2134+00 J2136+0041 9 9 16 89.335 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 3C273B J1229+0203 16 16 17 43.220 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 3C345 J1642+3948 19 19 20 37.897 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 3C454.3 J2253+1608 12 13 13 38.060 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: 4C39.25 J0927+3902 6 6 13 67.143 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: NRAO150 J0359+5057 13 15 17 103.752 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: OJ287 J0854+2006 15 15 16 32.621 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: OQ208 J1407+2827 19 19 22 91.586 19830502_a pol109 1983.05.03-05:37:01.920 SRC_STAT: VR422201 J2202+4216 10 10 12 44.351 19830502_a pol109 1983.05.03-05:37:01.920 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.05.03-05:36:29 1. HRAS_085 7216 NOAM X Comp -1324211064.52 mm -47.521 mm 5.151 mm 5.154 mm 2. HRAS_085 7216 NOAM Y Comp -5332023144.35 mm -62.351 mm 22.262 mm 22.279 mm 3. HRAS_085 7216 NOAM Z Comp 3232118410.47 mm 103.472 mm 17.588 mm 17.601 mm HRAS_085 7216 U Comp 114.65 mm 114.650 mm 27.073 mm 23.710 mm HRAS_085 7216 E Comp -31.09 mm -31.092 mm 8.172 mm 7.157 mm HRAS_085 7216 N Comp 52.36 mm 52.356 mm 5.637 mm 4.937 mm 4. HRAS_085 CL 0 1983.05.02-17:21:26.856 2806.423 ns 0.304 ns 0.304 ns 5. HRAS_085 CL 1 1983.05.02-17:21:26.856 -98.423 D-14 2.104 D-14 2.105 D-14 6. HRAS_085 CL 2 1983.05.02-17:21:26.856 -1.312 D-14/day 1.753 D-14/day 1.755 D-14/day 32. HRAS_085 AT 0 1983.05.02-17:21:26.856 -109.915 ps 67.585 ps 67.636 ps HRAS_085 Atm 1983.05.03-05:51:59.040 Avg: -106.265 ps Rms: 27.454 ps Tot_Rms: 109.754 ps || Nat: 229 Dura: 88200.0 sec Tzd_avg: 6468.2 Tzd_rms: 13.4 Wzd_avg: 89.0 Wzd_rms: 8.3 ps Prs_avg: 83684. Pa Tem_avg: 12.5 C Stm_avg: -1.1 C Stm_rms: 1.2 K Spr_avg: -242. Spr_rms: 74. Pa 108. HRAS_085 NG 1983.05.02-17:20:26.856 -0.004 mm 0.422 mm 0.423 mm 109. HRAS_085 EG 1983.05.02-17:20:26.856 -0.030 mm 0.422 mm 0.423 mm 110. HRAS_085 NG 1983.05.03-01:20:26.856 0.012 mm 0.377 mm 0.377 mm 111. HRAS_085 EG 1983.05.03-01:20:26.856 0.003 mm 0.377 mm 0.377 mm 112. HRAS_085 NG 1983.05.03-09:20:26.856 0.000 mm 0.377 mm 0.377 mm 113. HRAS_085 EG 1983.05.03-09:20:26.856 0.021 mm 0.377 mm 0.377 mm 114. HRAS_085 NG 1983.05.03-17:20:26.856 -0.010 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1983.05.03-17:20:26.856 -0.018 mm 0.422 mm 0.423 mm 116. WESTFORD 7209 NOAM X Comp 1492206590.52 mm 47.521 mm 5.151 mm 5.154 mm 117. WESTFORD 7209 NOAM Y Comp -4458130459.65 mm 62.351 mm 22.262 mm 22.279 mm 118. WESTFORD 7209 NOAM Z Comp 4296015443.53 mm -103.472 mm 17.588 mm 17.601 mm WESTFORD 7209 U Comp -102.47 mm -102.468 mm 27.586 mm 24.160 mm WESTFORD 7209 E Comp 64.85 mm 64.854 mm 7.554 mm 6.616 mm WESTFORD 7209 N Comp -46.33 mm -46.331 mm 3.665 mm 3.210 mm 119. WESTFORD AT 0 1983.05.02-17:21:26.856 78.812 ps 66.114 ps 66.165 ps WESTFORD Atm 1983.05.03-05:51:59.040 Avg: 6.975 ps Rms: 66.204 ps Tot_Rms: 66.570 ps || Nat: 229 Dura: 88200.0 sec Tzd_avg: 8191.3 Tzd_rms: 63.5 Wzd_avg: 679.1 Wzd_rms: 64.0 ps Prs_avg: 100022. Pa Tem_avg: 18.2 C Stm_avg: -0.2 C Stm_rms: 2.7 K Spr_avg: 781. Spr_rms: 57. Pa 195. WESTFORD NG 1983.05.02-17:20:26.856 -0.003 mm 0.422 mm 0.423 mm 196. WESTFORD EG 1983.05.02-17:20:26.856 0.021 mm 0.422 mm 0.422 mm 197. WESTFORD NG 1983.05.03-01:20:26.856 -0.001 mm 0.377 mm 0.377 mm 198. WESTFORD EG 1983.05.03-01:20:26.856 -0.014 mm 0.377 mm 0.377 mm 199. WESTFORD NG 1983.05.03-09:20:26.856 0.001 mm 0.377 mm 0.377 mm 200. WESTFORD EG 1983.05.03-09:20:26.856 -0.022 mm 0.377 mm 0.377 mm 201. WESTFORD NG 1983.05.03-17:20:26.856 -0.008 mm 0.422 mm 0.423 mm 202. WESTFORD EG 1983.05.03-17:20:26.856 0.008 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.03 ps/h NRMS 0.24 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 19.39 ps/h NRMS 0.39 share 0.90 count 76 Overall RMS 16.14 ps/h NRMS 0.32 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.87 D-14 NRMS 0.57 share 0.25 count 26 Overall RMS 2.87 D-14 NRMS 0.57 share 0.25 count 26 203. UT1-TAI 1, 1983.05.03-05:37:00.000 -1.3137 ms/d 661.23 micros/d 247.51 micros/d 247.70 micros/d EOP epoch (TDT) MJD: 45457.234400 NUT epoch (TDT) MJD: 45457.216388 204. Nutation DPSI wrt apriori model 1983.05.03-05:36:29.736 7.460 mas 2491.3 microasec 2493.2 microasec Nutation Dx wrt apriori model 1983.05.03-05:36:29.736 2.965 mas 988.2 microasec 989.0 microasec Nutation DPSI wrt Wahr 1980 model 1983.05.03-05:36:29.736 12.843 mas 2491.3 microasec 2493.2 microasec 205. Nutation DEPS wrt apriori model 1983.05.03-05:36:29.736 0.569 mas 768.2 microasec 768.8 microasec Nutation Dy wrt apriori model 1983.05.03-05:36:29.736 0.580 mas 771.9 microasec 772.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.05.03-05:36:29.736 -0.010 mas 768.2 microasec 768.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0832 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.05.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928026.12 10.74 3134928026.12 10.74 122.16 6.16 223.59 56.33 NNT_POS: 6 stations participated in NNT_POS constraints: EFLSBERG HAYSTACK HRAS_085 ONSALA60 ROBLED32 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:48 Correlator type: Unknown Experiment code: xal831 Mark-3 db_name: $83MAY05X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830505_a Ver 2 xal831 Matrix Condition Number = 3.565790676008798E+08 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- EFLSBERG: GION | | HAYSTACK: GION | | HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | ROBLED32: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for EFLSBERG is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for ROBLED32 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms EFLSBERG MET 11.8 3.2 975.2 3.5 37.2 29.3 HAYSTACK MET 12.5 4.4 1012.4 0.8 38.0 2.5 HRAS_085 MET 21.0 4.1 832.9 0.8 7.4 3.8 ONSALA60 MET 10.4 2.9 1021.3 2.2 40.0 30.1 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 ROBLED32 MET 15.8 2.9 1008.6 1.4 79.6 0.3 WESTFORD MET 12.5 2.8 1015.4 1.5 12.5 7.2 Run 26091-1739 1704 Observation Pairs Available Session started on: 2445460.101300 1983.05.05 14:25:52.320 UTC Nominal duration: 175469.760 sec 02 00:44:29.760 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 597 13.579 ps 0.74 0.9801 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 612 Number of potentially good observations with QC 5-9: 612 Number of used observations: 597 ( 97.55%) Number of suppressed observations: 15 ( 2.45%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps EFLSBERG HAYSTACK 51 52 27.160 0.79 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT EFLSBERG HRAS_085 24 28 33.950 0.74 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT EFLSBERG ONSALA60 107 110 4.110 0.47 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT EFLSBERG ROBLED32 100 101 46.247 0.81 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT EFLSBERG WESTFORD 29 31 31.639 0.76 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT HAYSTACK HRAS_085 43 44 14.885 0.61 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT HAYSTACK ONSALA60 87 89 19.297 0.73 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT HAYSTACK ROBLED32 23 23 388.388 0.99 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT HRAS_085 ONSALA60 35 36 38.698 0.80 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT HRAS_085 WESTFORD 22 22 45.733 0.82 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 76 76 46.817 0.84 19830505_a xal831 1983.05.06-14:48:07.2 BAS_STAT Not included: EFLSBERG ONSALA85 0/ 0 deselected baseline 19830505_a xal831 HAYSTACK ONSALA85 0/ 0 deselected baseline 19830505_a xal831 HAYSTACK WESTFORD 0/ 0 deselected baseline 19830505_a xal831 HRAS_085 ONSALA85 0/ 0 deselected baseline 19830505_a xal831 HRAS_085 ROBLED32 0/ 0 deselected baseline 19830505_a xal831 ONSALA60 ROBLED32 0/ 0 deselected baseline 19830505_a xal831 ONSALA85 ROBLED32 0/ 0 deselected baseline 19830505_a xal831 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830505_a xal831 ROBLED32 WESTFORD 0/ 0 deselected baseline 19830505_a xal831 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 36 37 119 15.582 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 0212+735 J0217+7349 74 77 218 21.630 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 0528+134 J0530+1331 38 38 112 21.152 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 0552+398 J0555+3948 33 33 88 11.657 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 1803+784 J1800+7828 78 81 226 18.803 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 2216-038 J2218-0335 45 45 128 14.954 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 3C273B J1229+0203 36 37 84 7.593 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 3C345 J1642+3948 73 76 213 9.536 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 3C454.3 J2253+1608 61 63 199 9.273 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: 4C39.25 J0927+3902 30 32 86 15.965 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: OJ287 J0854+2006 39 39 88 15.133 19830505_a xal831 1983.05.06-14:48:07.200 SRC_STAT: OQ208 J1407+2827 54 54 143 20.854 19830505_a xal831 1983.05.06-14:48:07.200 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.05.06-14:47:35 1. EFLSBERG 7203 EURA X Comp 4033947450.97 mm 17.975 mm 8.911 mm 8.822 mm 2. EFLSBERG 7203 EURA Y Comp 486990417.55 mm -145.445 mm 5.973 mm 5.913 mm 3. EFLSBERG 7203 EURA Z Comp 4900430748.57 mm -88.431 mm 10.052 mm 9.951 mm EFLSBERG 7203 U Comp -68.00 mm -67.997 mm 12.789 mm 9.461 mm EFLSBERG 7203 E Comp -146.55 mm -146.551 mm 6.245 mm 4.619 mm EFLSBERG 7203 N Comp -56.54 mm -56.538 mm 3.682 mm 2.724 mm 4. EFLSBERG CL 0 1983.05.05-14:25:20.136 -772.462 ns 2.415 ns 2.390 ns 5. EFLSBERG CL 1 1983.05.05-14:25:20.136 113.908 D-14 3.983 D-14 3.943 D-14 6. EFLSBERG CL 2 1983.05.05-14:25:20.136 6.601 D-14/day 1.315 D-14/day 1.302 D-14/day 56. EFLSBERG AT 0 1983.05.05-14:25:20.136 -44.238 ps 65.956 ps 65.298 ps EFLSBERG Atm 1983.05.06-14:55:52.320 Avg: -67.610 ps Rms: 10.654 ps Tot_Rms: 68.444 ps || Nat: 185 Dura: 175470.0 sec Tzd_avg: 7719.6 Tzd_rms: 76.0 Wzd_avg: 359.2 Wzd_rms: 101.9 ps Prs_avg: 97535. Pa Tem_avg: 11.9 C Stm_avg: 0.7 C Stm_rms: 2.0 K Spr_avg: 380. Spr_rms: 54. Pa 204. EFLSBERG NG 1983.05.05-14:24:20.136 -0.007 mm 0.421 mm 0.417 mm 205. EFLSBERG EG 1983.05.05-14:24:20.136 0.013 mm 0.422 mm 0.417 mm 206. EFLSBERG NG 1983.05.05-22:24:20.136 -0.017 mm 0.368 mm 0.364 mm 207. EFLSBERG EG 1983.05.05-22:24:20.136 0.067 mm 0.373 mm 0.370 mm 208. EFLSBERG NG 1983.05.06-06:24:20.136 0.029 mm 0.363 mm 0.360 mm 209. EFLSBERG EG 1983.05.06-06:24:20.136 0.062 mm 0.370 mm 0.366 mm 210. EFLSBERG NG 1983.05.06-14:24:20.136 0.041 mm 0.368 mm 0.364 mm 211. EFLSBERG EG 1983.05.06-14:24:20.136 0.018 mm 0.371 mm 0.368 mm 212. EFLSBERG NG 1983.05.06-22:24:20.136 -0.030 mm 0.372 mm 0.368 mm 213. EFLSBERG EG 1983.05.06-22:24:20.136 -0.028 mm 0.372 mm 0.369 mm 214. EFLSBERG NG 1983.05.07-06:24:20.136 -0.126 mm 0.370 mm 0.366 mm 215. EFLSBERG EG 1983.05.07-06:24:20.136 -0.067 mm 0.374 mm 0.371 mm 216. EFLSBERG NG 1983.05.07-14:24:20.136 0.087 mm 0.411 mm 0.407 mm 217. EFLSBERG EG 1983.05.07-14:24:20.136 -0.010 mm 0.420 mm 0.416 mm 218. HAYSTACK 7205 NOAM X Comp 1492404716.43 mm 20.429 mm 9.671 mm 9.574 mm 219. HAYSTACK 7205 NOAM Y Comp -4457266371.35 mm 163.654 mm 10.055 mm 9.955 mm 220. HAYSTACK 7205 NOAM Z Comp 4296881828.46 mm 34.460 mm 13.456 mm 13.321 mm HAYSTACK 7205 U Comp -86.08 mm -86.081 mm 16.888 mm 12.493 mm HAYSTACK 7205 E Comp 71.33 mm 71.332 mm 8.252 mm 6.104 mm HAYSTACK 7205 N Comp 126.05 mm 126.052 mm 4.733 mm 3.501 mm 221. HAYSTACK CL 0 1983.05.05-14:25:20.136 8213.980 ns 2.450 ns 2.426 ns 222. HAYSTACK CL 1 1983.05.05-14:25:20.136 -18.366 D-14 4.568 D-14 4.523 D-14 223. HAYSTACK CL 2 1983.05.05-14:25:20.136 6.110 D-14/day 1.853 D-14/day 1.834 D-14/day 273. HAYSTACK AT 0 1983.05.05-14:25:20.136 -37.984 ps 51.273 ps 50.762 ps HAYSTACK Atm 1983.05.06-14:55:52.320 Avg: -44.583 ps Rms: 20.216 ps Tot_Rms: 48.952 ps || Nat: 173 Dura: 126540.0 sec Tzd_avg: 7816.4 Tzd_rms: 54.9 Wzd_avg: 260.3 Wzd_rms: 88.0 ps Prs_avg: 101248. Pa Tem_avg: 13.3 C Stm_avg: -0.5 C Stm_rms: 1.5 K Spr_avg: 1619. Spr_rms: 475. Pa 421. HAYSTACK NG 1983.05.05-14:24:20.136 0.041 mm 0.422 mm 0.418 mm 422. HAYSTACK EG 1983.05.05-14:24:20.136 -0.029 mm 0.422 mm 0.418 mm 423. HAYSTACK NG 1983.05.05-22:24:20.136 0.096 mm 0.375 mm 0.372 mm 424. HAYSTACK EG 1983.05.05-22:24:20.136 -0.083 mm 0.376 mm 0.372 mm 425. HAYSTACK NG 1983.05.06-06:24:20.136 0.022 mm 0.372 mm 0.368 mm 426. HAYSTACK EG 1983.05.06-06:24:20.136 -0.012 mm 0.372 mm 0.368 mm 427. HAYSTACK NG 1983.05.06-14:24:20.136 -0.033 mm 0.372 mm 0.368 mm 428. HAYSTACK EG 1983.05.06-14:24:20.136 0.035 mm 0.372 mm 0.368 mm 429. HAYSTACK NG 1983.05.06-22:24:20.136 -0.070 mm 0.372 mm 0.368 mm 430. HAYSTACK EG 1983.05.06-22:24:20.136 0.045 mm 0.372 mm 0.368 mm 431. HAYSTACK NG 1983.05.07-06:24:20.136 -0.031 mm 0.377 mm 0.373 mm 432. HAYSTACK EG 1983.05.07-06:24:20.136 0.018 mm 0.377 mm 0.373 mm 433. HAYSTACK NG 1983.05.07-14:24:20.136 -0.011 mm 0.422 mm 0.418 mm 434. HAYSTACK EG 1983.05.07-14:24:20.136 0.007 mm 0.422 mm 0.418 mm 435. HRAS_085 7216 NOAM X Comp -1324211042.85 mm -25.849 mm 12.390 mm 12.266 mm 436. HRAS_085 7216 NOAM Y Comp -5332022994.81 mm 87.194 mm 17.889 mm 17.710 mm 437. HRAS_085 7216 NOAM Z Comp 3232118552.13 mm 245.125 mm 18.331 mm 18.148 mm HRAS_085 7216 U Comp 57.46 mm 57.464 mm 22.414 mm 16.581 mm HRAS_085 7216 E Comp -46.10 mm -46.104 mm 13.208 mm 9.770 mm HRAS_085 7216 N Comp 250.86 mm 250.858 mm 11.521 mm 8.522 mm 438. HRAS_085 CL 0 1983.05.05-14:25:20.136 2560.034 ns 2.425 ns 2.401 ns 439. HRAS_085 CL 1 1983.05.05-14:25:20.136 -131.644 D-14 4.438 D-14 4.394 D-14 440. HRAS_085 CL 2 1983.05.05-14:25:20.136 3.284 D-14/day 1.753 D-14/day 1.735 D-14/day 490. HRAS_085 AT 0 1983.05.05-14:25:20.136 -27.395 ps 89.531 ps 88.637 ps HRAS_085 Atm 1983.05.06-14:55:52.320 Avg: -6.722 ps Rms: 37.308 ps Tot_Rms: 37.909 ps || Nat: 80 Dura: 134520.0 sec Tzd_avg: 6466.7 Tzd_rms: 12.1 Wzd_avg: 116.8 Wzd_rms: 14.2 ps Prs_avg: 83296. Pa Tem_avg: 21.3 C Stm_avg: -1.9 C Stm_rms: 3.0 K Spr_avg: -257. Spr_rms: 55. Pa 638. HRAS_085 NG 1983.05.05-14:24:20.136 -0.008 mm 0.422 mm 0.418 mm 639. HRAS_085 EG 1983.05.05-14:24:20.136 0.001 mm 0.422 mm 0.418 mm 640. HRAS_085 NG 1983.05.05-22:24:20.136 -0.024 mm 0.376 mm 0.373 mm 641. HRAS_085 EG 1983.05.05-22:24:20.136 0.016 mm 0.377 mm 0.373 mm 642. HRAS_085 NG 1983.05.06-06:24:20.136 -0.034 mm 0.372 mm 0.369 mm 643. HRAS_085 EG 1983.05.06-06:24:20.136 0.029 mm 0.373 mm 0.369 mm 644. HRAS_085 NG 1983.05.06-14:24:20.136 0.016 mm 0.372 mm 0.369 mm 645. HRAS_085 EG 1983.05.06-14:24:20.136 -0.005 mm 0.372 mm 0.369 mm 646. HRAS_085 NG 1983.05.06-22:24:20.136 0.038 mm 0.372 mm 0.369 mm 647. HRAS_085 EG 1983.05.06-22:24:20.136 -0.031 mm 0.372 mm 0.369 mm 648. HRAS_085 NG 1983.05.07-06:24:20.136 0.015 mm 0.377 mm 0.373 mm 649. HRAS_085 EG 1983.05.07-06:24:20.136 -0.004 mm 0.377 mm 0.373 mm 650. HRAS_085 NG 1983.05.07-14:24:20.136 0.005 mm 0.422 mm 0.418 mm 651. HRAS_085 EG 1983.05.07-14:24:20.136 -0.002 mm 0.422 mm 0.418 mm 652. ONSALA60 7213 EURA X Comp 3370606006.04 mm 17.040 mm 8.508 mm 8.423 mm 653. ONSALA60 7213 EURA Y Comp 711917429.16 mm -99.840 mm 5.935 mm 5.876 mm 654. ONSALA60 7213 EURA Z Comp 5349830674.25 mm -91.749 mm 10.154 mm 10.053 mm ONSALA60 7213 U Comp -79.42 mm -79.425 mm 12.339 mm 9.128 mm ONSALA60 7213 E Comp -101.21 mm -101.206 mm 6.473 mm 4.788 mm ONSALA60 7213 N Comp -46.10 mm -46.101 mm 4.071 mm 3.011 mm 655. ONSALA60 CL 0 1983.05.05-14:25:20.136 9829.674 ns 2.410 ns 2.386 ns 656. ONSALA60 CL 1 1983.05.05-14:25:20.136 -104.490 D-14 3.982 D-14 3.942 D-14 657. ONSALA60 CL 2 1983.05.05-14:25:20.136 7.906 D-14/day 1.313 D-14/day 1.300 D-14/day 707. ONSALA60 AT 0 1983.05.05-14:25:20.136 -67.193 ps 63.659 ps 63.024 ps ONSALA60 Atm 1983.05.06-14:55:52.320 Avg: -54.155 ps Rms: 24.504 ps Tot_Rms: 59.441 ps || Nat: 242 Dura: 175470.0 sec Tzd_avg: 7960.5 Tzd_rms: 18.0 Wzd_avg: 239.7 Wzd_rms: 20.6 ps Prs_avg: 102124. Pa Tem_avg: 10.3 C Stm_avg: -0.9 C Stm_rms: 1.6 K Spr_avg: 195. Spr_rms: 29. Pa 855. ONSALA60 NG 1983.05.05-14:24:20.136 -0.030 mm 0.421 mm 0.417 mm 856. ONSALA60 EG 1983.05.05-14:24:20.136 -0.020 mm 0.422 mm 0.417 mm 857. ONSALA60 NG 1983.05.05-22:24:20.136 -0.058 mm 0.368 mm 0.365 mm 858. ONSALA60 EG 1983.05.05-22:24:20.136 -0.079 mm 0.374 mm 0.370 mm 859. ONSALA60 NG 1983.05.06-06:24:20.136 0.015 mm 0.363 mm 0.359 mm 860. ONSALA60 EG 1983.05.06-06:24:20.136 -0.019 mm 0.370 mm 0.366 mm 861. ONSALA60 NG 1983.05.06-14:24:20.136 0.078 mm 0.367 mm 0.363 mm 862. ONSALA60 EG 1983.05.06-14:24:20.136 0.011 mm 0.372 mm 0.368 mm 863. ONSALA60 NG 1983.05.06-22:24:20.136 0.125 mm 0.371 mm 0.367 mm 864. ONSALA60 EG 1983.05.06-22:24:20.136 0.051 mm 0.372 mm 0.368 mm 865. ONSALA60 NG 1983.05.07-06:24:20.136 0.100 mm 0.370 mm 0.366 mm 866. ONSALA60 EG 1983.05.07-06:24:20.136 0.032 mm 0.375 mm 0.371 mm 867. ONSALA60 NG 1983.05.07-14:24:20.136 -0.130 mm 0.411 mm 0.407 mm 868. ONSALA60 EG 1983.05.07-14:24:20.136 -0.004 mm 0.421 mm 0.416 mm 869. ROBLED32 1561 EURA X Comp 4849245131.80 mm -61.203 mm 34.484 mm 34.140 mm 870. ROBLED32 1561 EURA Y Comp -360278285.21 mm -183.213 mm 9.092 mm 9.002 mm 871. ROBLED32 1561 EURA Z Comp 4114884472.95 mm -121.046 mm 29.798 mm 29.500 mm ROBLED32 1561 U Comp -114.63 mm -114.626 mm 45.312 mm 33.520 mm ROBLED32 1561 E Comp -187.24 mm -187.244 mm 8.453 mm 6.253 mm ROBLED32 1561 N Comp -61.36 mm -61.364 mm 5.918 mm 4.378 mm 872. ROBLED32 CL 0 1983.05.05-14:25:20.136 16465.614 ns 2.462 ns 2.438 ns 873. ROBLED32 CL 1 1983.05.05-14:25:20.136 -16.160 D-14 4.120 D-14 4.078 D-14 874. ROBLED32 CL 2 1983.05.05-14:25:20.136 4.986 D-14/day 1.378 D-14/day 1.364 D-14/day 924. ROBLED32 AT 0 1983.05.05-14:25:20.136 -202.730 ps 145.618 ps 144.165 ps ROBLED32 Atm 1983.05.06-14:55:52.320 Avg: -191.254 ps Rms: 20.928 ps Tot_Rms: 192.395 ps || Nat: 111 Dura: 134880.0 sec Tzd_avg: 7399.3 Tzd_rms: 29.3 Wzd_avg: 380.5 Wzd_rms: 24.4 ps Prs_avg: 100855. Pa Tem_avg: 15.9 C Stm_avg: 0.5 C Stm_rms: 1.4 K Spr_avg: 8284. Spr_rms: 64. Pa 1072. ROBLED32 NG 1983.05.05-14:24:20.136 -0.001 mm 0.422 mm 0.418 mm 1073. ROBLED32 EG 1983.05.05-14:24:20.136 -0.001 mm 0.422 mm 0.418 mm 1074. ROBLED32 NG 1983.05.05-22:24:20.136 -0.001 mm 0.377 mm 0.373 mm 1075. ROBLED32 EG 1983.05.05-22:24:20.136 -0.003 mm 0.377 mm 0.373 mm 1076. ROBLED32 NG 1983.05.06-06:24:20.136 -0.006 mm 0.372 mm 0.369 mm 1077. ROBLED32 EG 1983.05.06-06:24:20.136 -0.007 mm 0.372 mm 0.369 mm 1078. ROBLED32 NG 1983.05.06-14:24:20.136 -0.008 mm 0.372 mm 0.369 mm 1079. ROBLED32 EG 1983.05.06-14:24:20.136 0.013 mm 0.372 mm 0.369 mm 1080. ROBLED32 NG 1983.05.06-22:24:20.136 0.002 mm 0.373 mm 0.369 mm 1081. ROBLED32 EG 1983.05.06-22:24:20.136 0.005 mm 0.373 mm 0.369 mm 1082. ROBLED32 NG 1983.05.07-06:24:20.136 0.015 mm 0.376 mm 0.372 mm 1083. ROBLED32 EG 1983.05.07-06:24:20.136 0.008 mm 0.376 mm 0.373 mm 1084. ROBLED32 NG 1983.05.07-14:24:20.136 0.002 mm 0.422 mm 0.418 mm 1085. ROBLED32 EG 1983.05.07-14:24:20.136 -0.010 mm 0.422 mm 0.418 mm 1086. WESTFORD 7209 NOAM X Comp 1492206574.61 mm 31.609 mm 12.943 mm 12.814 mm 1087. WESTFORD 7209 NOAM Y Comp -4458130344.35 mm 177.650 mm 16.034 mm 15.874 mm 1088. WESTFORD 7209 NOAM Z Comp 4296015568.64 mm 21.641 mm 19.968 mm 19.769 mm WESTFORD 7209 U Comp -101.94 mm -101.944 mm 25.978 mm 19.217 mm WESTFORD 7209 E Comp 86.36 mm 86.362 mm 10.223 mm 7.563 mm WESTFORD 7209 N Comp 123.19 mm 123.191 mm 6.632 mm 4.906 mm 1089. WESTFORD AT 0 1983.05.05-14:25:20.136 -16.926 ps 151.882 ps 150.366 ps WESTFORD Atm 1983.05.06-14:55:52.320 Avg: -9.369 ps Rms: 22.850 ps Tot_Rms: 24.697 ps || Nat: 117 Dura: 85650.0 sec Tzd_avg: 7884.8 Tzd_rms: 70.7 Wzd_avg: 242.0 Wzd_rms: 64.7 ps Prs_avg: 101505. Pa Tem_avg: 12.9 C Stm_avg: -0.1 C Stm_rms: 1.0 K Spr_avg: 742. Spr_rms: 41. Pa 1237. WESTFORD NG 1983.05.05-14:24:20.136 -0.001 mm 0.422 mm 0.418 mm 1238. WESTFORD EG 1983.05.05-14:24:20.136 0.001 mm 0.422 mm 0.418 mm 1239. WESTFORD NG 1983.05.05-22:24:20.136 -0.004 mm 0.377 mm 0.373 mm 1240. WESTFORD EG 1983.05.05-22:24:20.136 0.003 mm 0.377 mm 0.373 mm 1241. WESTFORD NG 1983.05.06-06:24:20.136 -0.012 mm 0.373 mm 0.369 mm 1242. WESTFORD EG 1983.05.06-06:24:20.136 0.011 mm 0.373 mm 0.369 mm 1243. WESTFORD NG 1983.05.06-14:24:20.136 -0.043 mm 0.372 mm 0.369 mm 1244. WESTFORD EG 1983.05.06-14:24:20.136 0.038 mm 0.372 mm 0.369 mm 1245. WESTFORD NG 1983.05.06-22:24:20.136 -0.021 mm 0.372 mm 0.369 mm 1246. WESTFORD EG 1983.05.06-22:24:20.136 0.023 mm 0.372 mm 0.369 mm 1247. WESTFORD NG 1983.05.07-06:24:20.136 0.072 mm 0.376 mm 0.373 mm 1248. WESTFORD EG 1983.05.07-06:24:20.136 -0.011 mm 0.376 mm 0.373 mm 1249. WESTFORD NG 1983.05.07-14:24:20.136 0.041 mm 0.422 mm 0.418 mm 1250. WESTFORD EG 1983.05.07-14:24:20.136 -0.034 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. EFLSBERG Input 50.00 ps/h RMS 18.02 ps/h NRMS 0.36 share 0.78 count 148 2. HAYSTACK Input 50.00 ps/h RMS 14.17 ps/h NRMS 0.28 share 0.88 count 148 3. HRAS_085 Input 50.00 ps/h RMS 10.99 ps/h NRMS 0.22 share 0.93 count 148 4. ONSALA60 Input 50.00 ps/h RMS 22.28 ps/h NRMS 0.45 share 0.73 count 148 6. ROBLED32 Input 50.00 ps/h RMS 7.40 ps/h NRMS 0.15 share 0.96 count 148 7. WESTFORD Input 50.00 ps/h RMS 11.75 ps/h NRMS 0.23 share 0.93 count 148 Overall RMS 14.92 ps/h NRMS 0.30 share 0.87 count 888 Gradient Constraint Statistics 1. EFLSBERG Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.49 count 14 2. HAYSTACK Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.50 count 14 3. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.50 count 14 4. ONSALA60 Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.49 count 14 6. ROBLED32 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.50 count 14 7. WESTFORD Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.50 count 14 Overall RMS 0.16 mm/d NRMS 0.08 share 0.50 count 84 Clock Constraint Statistics 1. EFLSBERG Input 5.00 D-14 RMS 1.80 D-14 NRMS 0.36 share 0.48 count 50 2. HAYSTACK Input 5.00 D-14 RMS 2.14 D-14 NRMS 0.43 share 0.55 count 50 3. HRAS_085 Input 5.00 D-14 RMS 2.70 D-14 NRMS 0.54 share 0.60 count 50 4. ONSALA60 Input 5.00 D-14 RMS 2.77 D-14 NRMS 0.55 share 0.35 count 50 6. ROBLED32 Input 5.00 D-14 RMS 1.87 D-14 NRMS 0.37 share 0.66 count 50 Overall RMS 2.29 D-14 NRMS 0.46 share 0.53 count 250 1251. UT1-TAI 1, 1983.05.06-14:48:00.000 -2.2821 ms/d 2.01 micros/d 16.13 micros/d 15.97 micros/d EOP epoch (TDT) MJD: 45460.617039 NUT epoch (TDT) MJD: 45460.602511 1252. Nutation DPSI wrt apriori model 1983.05.06-14:47:35.016 -0.257 mas 521.0 microasec 515.8 microasec Nutation Dx wrt apriori model 1983.05.06-14:47:35.016 -0.100 mas 206.6 microasec 204.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.05.06-14:47:35.016 6.162 mas 521.0 microasec 515.8 microasec 1253. Nutation DEPS wrt apriori model 1983.05.06-14:47:35.016 -0.530 mas 176.9 microasec 175.1 microasec Nutation Dy wrt apriori model 1983.05.06-14:47:35.016 -0.530 mas 177.6 microasec 175.9 microasec Nutation DEPS wrt Wahr 1980 model 1983.05.06-14:47:35.016 -1.344 mas 176.9 microasec 175.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1324 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.05.06 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) EFLSBERG 7203 to HAYSTACK 7205 5591903608.35 8.65 5591903608.35 8.65 166.85 3.04 7.14 20.86 EFLSBERG 7203 to HRAS_085 7216 8084184876.84 16.35 8084184876.84 16.35 319.50 6.93 -149.24 29.57 EFLSBERG 7203 to ONSALA60 7213 832210506.01 1.60 832210506.01 1.60 44.31 2.59 -1.12 9.21 EFLSBERG 7203 to ROBLED32 1561 1414092470.16 8.50 1414092470.16 8.50 49.68 8.36 79.17 53.20 EFLSBERG 7203 to WESTFORD 7209 5592851128.19 12.86 5592851128.19 12.86 155.34 4.95 16.93 30.44 HAYSTACK 7205 to HRAS_085 7216 3135640974.40 12.70 3135640974.40 12.70 129.60 5.67 -188.41 29.62 HAYSTACK 7205 to ONSALA60 7213 5599714503.40 8.18 5599714503.40 8.18 114.06 3.20 21.90 20.19 HAYSTACK 7205 to ROBLED32 1561 5299699235.77 23.97 5299699235.77 23.97 228.18 5.96 13.26 53.03 HRAS_085 7216 to ONSALA60 7213 7940732183.07 15.67 7940732183.07 15.67 263.56 8.14 195.08 29.14 HRAS_085 7216 to WESTFORD 7209 3134927977.20 19.31 3134927977.20 19.31 136.10 8.59 207.13 38.66 ONSALA60 7213 to WESTFORD 7209 5600741440.31 12.56 5600741440.31 12.56 101.04 5.41 -11.24 30.01 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:52 Correlator type: Unknown Experiment code: pol110 Mark-3 db_name: $83MAY09X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830509_a Ver 2 pol110 Matrix Condition Number = 1.283354667941731E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.8 4.6 832.3 1.4 89.9 4.8 WESTFORD MET 7.8 2.0 1005.3 4.2 70.8 31.9 Run 26091-1739 233 Observation Pairs Available Session started on: 2445463.830000 1983.05.09 07:55:12.000 UTC Nominal duration: 87523.200 sec 01 00:18:43.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 198 52.046 ps 0.88 1.0121 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 199 Number of potentially good observations with QC 5-9: 199 Number of used observations: 198 ( 99.50%) Number of suppressed observations: 1 ( 0.50%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 198 199 52.046 0.88 19830509_a pol110 1983.05.09-20:04:33.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 14 67.835 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 0212+735 J0217+7349 12 12 14 101.457 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 0234+285 J0237+2848 13 13 14 45.640 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 0552+398 J0555+3948 19 19 19 50.661 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 1637+574 J1638+5720 9 10 22 89.276 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 2134+00 J2136+0041 11 11 15 62.670 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 3C273B J1229+0203 16 16 17 24.777 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 3C345 J1642+3948 23 23 23 37.985 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 3C454.3 J2253+1608 11 11 13 34.877 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: 4C39.25 J0927+3902 9 9 15 39.231 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: NRAO150 J0359+5057 15 15 16 140.717 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: OJ287 J0854+2006 15 15 15 23.528 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: OQ208 J1407+2827 22 22 24 72.523 19830509_a pol110 1983.05.09-20:04:33.600 SRC_STAT: VR422201 J2202+4216 12 12 12 70.448 19830509_a pol110 1983.05.09-20:04:33.600 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.05.09-20:04:01 1. HRAS_085 7216 NOAM X Comp -1324211068.99 mm -51.994 mm 4.618 mm 4.646 mm 2. HRAS_085 7216 NOAM Y Comp -5332023151.87 mm -69.869 mm 18.140 mm 18.250 mm 3. HRAS_085 7216 NOAM Z Comp 3232118417.74 mm 110.739 mm 13.567 mm 13.649 mm HRAS_085 7216 U Comp 125.56 mm 125.559 mm 22.071 mm 19.428 mm HRAS_085 7216 E Comp -33.62 mm -33.620 mm 5.496 mm 4.838 mm HRAS_085 7216 N Comp 54.34 mm 54.341 mm 4.139 mm 3.643 mm 4. HRAS_085 CL 0 1983.05.09-07:54:39.816 1854.823 ns 0.263 ns 0.265 ns 5. HRAS_085 CL 1 1983.05.09-07:54:39.816 -123.939 D-14 2.120 D-14 2.133 D-14 6. HRAS_085 CL 2 1983.05.09-07:54:39.816 -4.710 D-14/day 1.801 D-14/day 1.812 D-14/day 32. HRAS_085 AT 0 1983.05.09-07:54:39.816 -88.126 ps 65.486 ps 65.880 ps HRAS_085 Atm 1983.05.09-20:25:12.000 Avg: -125.824 ps Rms: 27.421 ps Tot_Rms: 128.777 ps || Nat: 233 Dura: 87520.0 sec Tzd_avg: 6683.1 Tzd_rms: 49.3 Wzd_avg: 347.9 Wzd_rms: 49.3 ps Prs_avg: 83230. Pa Tem_avg: 14.8 C Stm_avg: -2.4 C Stm_rms: 1.3 K Spr_avg: -233. Spr_rms: 96. Pa 108. HRAS_085 NG 1983.05.09-07:53:39.816 -0.004 mm 0.422 mm 0.425 mm 109. HRAS_085 EG 1983.05.09-07:53:39.816 -0.009 mm 0.422 mm 0.425 mm 110. HRAS_085 NG 1983.05.09-15:53:39.816 -0.003 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1983.05.09-15:53:39.816 -0.011 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1983.05.09-23:53:39.816 0.009 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1983.05.09-23:53:39.816 0.012 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1983.05.10-07:53:39.816 0.012 mm 0.422 mm 0.425 mm 115. HRAS_085 EG 1983.05.10-07:53:39.816 0.025 mm 0.422 mm 0.425 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.99 mm 51.994 mm 4.618 mm 4.646 mm 117. WESTFORD 7209 NOAM Y Comp -4458130452.13 mm 69.869 mm 18.140 mm 18.250 mm 118. WESTFORD 7209 NOAM Z Comp 4296015436.26 mm -110.739 mm 13.567 mm 13.649 mm WESTFORD 7209 U Comp -111.59 mm -111.591 mm 21.468 mm 18.896 mm WESTFORD 7209 E Comp 71.48 mm 71.482 mm 7.995 mm 7.037 mm WESTFORD 7209 N Comp -47.81 mm -47.813 mm 3.115 mm 2.742 mm 119. WESTFORD AT 0 1983.05.09-07:54:39.816 52.793 ps 74.414 ps 74.861 ps WESTFORD Atm 1983.05.09-20:25:12.000 Avg: 15.491 ps Rms: 21.072 ps Tot_Rms: 26.153 ps || Nat: 233 Dura: 87520.0 sec Tzd_avg: 7837.0 Tzd_rms: 92.9 Wzd_avg: 271.2 Wzd_rms: 117.8 ps Prs_avg: 100531. Pa Tem_avg: 7.8 C Stm_avg: -0.3 C Stm_rms: 2.3 K Spr_avg: 768. Spr_rms: 59. Pa 195. WESTFORD NG 1983.05.09-07:53:39.816 0.003 mm 0.422 mm 0.425 mm 196. WESTFORD EG 1983.05.09-07:53:39.816 0.016 mm 0.422 mm 0.425 mm 197. WESTFORD NG 1983.05.09-15:53:39.816 -0.006 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1983.05.09-15:53:39.816 0.005 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1983.05.09-23:53:39.816 0.001 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1983.05.09-23:53:39.816 -0.001 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1983.05.10-07:53:39.816 0.012 mm 0.422 mm 0.425 mm 202. WESTFORD EG 1983.05.10-07:53:39.816 -0.001 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.07 ps/h NRMS 0.20 share 0.90 count 76 2. WESTFORD Input 50.00 ps/h RMS 11.74 ps/h NRMS 0.23 share 0.86 count 76 Overall RMS 10.94 ps/h NRMS 0.22 share 0.88 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.95 D-14 NRMS 0.59 share 0.24 count 26 Overall RMS 2.95 D-14 NRMS 0.59 share 0.24 count 26 203. UT1-TAI 1, 1983.05.09-20:04:00.000 -2.7880 ms/d -74.48 micros/d 272.93 micros/d 274.57 micros/d EOP epoch (TDT) MJD: 45463.836484 NUT epoch (TDT) MJD: 45463.890616 204. Nutation DPSI wrt apriori model 1983.05.09-20:04:01.416 -0.222 mas 1644.8 microasec 1654.7 microasec Nutation Dx wrt apriori model 1983.05.09-20:04:01.416 -0.089 mas 650.4 microasec 654.4 microasec Nutation DPSI wrt Wahr 1980 model 1983.05.09-20:04:01.416 5.383 mas 1644.8 microasec 1654.7 microasec 205. Nutation DEPS wrt apriori model 1983.05.09-20:04:01.416 0.322 mas 1039.8 microasec 1046.1 microasec Nutation Dy wrt apriori model 1983.05.09-20:04:01.416 0.322 mas 1042.2 microasec 1048.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.05.09-20:04:01.416 -0.218 mas 1039.8 microasec 1046.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0866 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.05.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928033.42 10.05 3134928033.42 10.05 128.33 5.07 244.24 44.85 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK HRAS_085 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:55 Correlator type: Unknown Experiment code: frame0 Mark-3 db_name: $83MAY11X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830511_a Ver 2 frame0 Matrix Condition Number = 1.038703704725356E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | HRAS_085: GION | | NRAO_140: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -999.0 0.0 -999.0 0.0 -999.0 0.0 HRAS_085 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 NRAO_140 MET -999.0 0.0 -999.0 0.0 0.0 0.0 ONSALA60 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 Run 26091-1739 363 Observation Pairs Available Session started on: 2445465.839400 1983.05.11 08:08:44.160 UTC Nominal duration: 84360.960 sec 00 23:26:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 101 11.006 ps 0.67 0.9210 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 101 Number of potentially good observations with QC 5-9: 101 Number of used observations: 101 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK HRAS_085 39 39 53.060 0.84 19830511_a frame0 1983.05.11-19:51:44.6 BAS_STAT HAYSTACK OVRO_130 25 25 5.524 0.47 19830511_a frame0 1983.05.11-19:51:44.6 BAS_STAT HRAS_085 OVRO_130 37 37 8.287 0.60 19830511_a frame0 1983.05.11-19:51:44.6 BAS_STAT NRAO_140-ONSALA60 No Data ONSALA60-ONSALA85 No Data Not included: HAYSTACK NRAO_140 0/ 0 deselected baseline 19830511_a frame0 HAYSTACK ONSALA60 0/ 0 deselected baseline 19830511_a frame0 HAYSTACK ONSALA85 0/ 0 deselected baseline 19830511_a frame0 HRAS_085 NRAO_140 0/ 0 deselected baseline 19830511_a frame0 HRAS_085 ONSALA60 0/ 0 deselected baseline 19830511_a frame0 HRAS_085 ONSALA85 0/ 0 deselected baseline 19830511_a frame0 NRAO_140 ONSALA85 0/ 0 deselected baseline 19830511_a frame0 NRAO_140 OVRO_130 0/ 0 deselected baseline 19830511_a frame0 ONSALA60 OVRO_130 0/ 0 deselected baseline 19830511_a frame0 ONSALA85 OVRO_130 0/ 0 deselected baseline 19830511_a frame0 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0202+319 J0205+3212 7 7 26 42.753 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0420-014 J0423-0120 6 6 11 2.998 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0500+019 J0503+0203 0 0 20 0.000 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0552+398 J0555+3948 6 6 16 5.199 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0607-157 J0609-1542 4 4 9 20.250 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0609+607 J0614+6046 6 6 28 48.361 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0642+449 J0646+4451 4 4 30 33.759 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0711+356 J0714+3534 2 2 21 215.996 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0727-115 J0730-1141 4 4 6 10.083 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0738+313 J0741+3112 7 7 20 35.162 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 0823+033 J0825+0309 6 6 13 16.350 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 1741-038 J1743-0350 2 2 12 5.606 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 1803+784 J1800+7828 4 4 15 17.302 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 1821+107 J1824+1044 6 6 23 12.987 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 2121+053 J2123+0535 6 6 21 64.293 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 2128-123 J2131-1207 4 4 6 3.426 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 2136+141 J2139+1423 9 9 19 18.581 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 2149+056 J2151+0552 5 5 13 58.718 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 2227-088 J2229-0832 2 2 8 32.805 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 3C273B J1229+0203 1 1 7 7.355 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: 3C345 J1642+3948 6 6 24 2.162 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: OJ287 J0854+2006 3 3 8 1.629 19830511_a frame0 1983.05.11-19:51:44.640 SRC_STAT: OQ208 J1407+2827 1 1 7 5.451 19830511_a frame0 1983.05.11-19:51:44.640 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.05.11-19:51:12 1. HAYSTACK 7205 NOAM X Comp 1492404693.58 mm -2.417 mm 13.084 mm 12.557 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266487.22 mm 47.779 mm 38.305 mm 36.760 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881697.55 mm -96.452 mm 27.678 mm 26.562 mm HAYSTACK 7205 U Comp -99.22 mm -99.217 mm 44.473 mm 29.935 mm HAYSTACK 7205 E Comp 12.88 mm 12.878 mm 17.222 mm 11.593 mm HAYSTACK 7205 N Comp -39.77 mm -39.771 mm 11.403 mm 7.675 mm 4. HAYSTACK AT 0 1983.05.11-08:08:11.976 11.180 ps 94.096 ps 90.302 ps HAYSTACK Atm 1983.05.11-20:08:44.160 Avg: 0.696 ps Rms: 15.162 ps Tot_Rms: 15.178 ps || Nat: 71 Dura: 61500.0 sec Tzd_avg: 7882.2 Tzd_rms: 13.1 Wzd_avg: 270.5 Wzd_rms: 12.0 ps Prs_avg: 99929. Pa Tem_avg: 14.2 C Stm_avg: 8.4 C Stm_rms: 0.9 K Spr_avg: -435. Spr_rms: 49. Pa 77. HAYSTACK NG 1983.05.11-08:07:11.976 0.009 mm 0.422 mm 0.405 mm 78. HAYSTACK EG 1983.05.11-08:07:11.976 0.004 mm 0.422 mm 0.405 mm 79. HAYSTACK NG 1983.05.11-16:07:11.976 0.007 mm 0.377 mm 0.362 mm 80. HAYSTACK EG 1983.05.11-16:07:11.976 0.009 mm 0.377 mm 0.362 mm 81. HAYSTACK NG 1983.05.12-00:07:11.976 0.004 mm 0.377 mm 0.362 mm 82. HAYSTACK EG 1983.05.12-00:07:11.976 0.004 mm 0.377 mm 0.362 mm 83. HAYSTACK NG 1983.05.12-08:07:11.976 0.002 mm 0.422 mm 0.405 mm 84. HAYSTACK EG 1983.05.12-08:07:11.976 0.002 mm 0.422 mm 0.405 mm 85. HRAS_085 7216 NOAM X Comp -1324211067.08 mm -50.082 mm 11.814 mm 11.338 mm 86. HRAS_085 7216 NOAM Y Comp -5332023071.96 mm 10.044 mm 37.227 mm 35.726 mm 87. HRAS_085 7216 NOAM Z Comp 3232118384.13 mm 77.134 mm 23.708 mm 22.752 mm HRAS_085 7216 U Comp 41.31 mm 41.306 mm 44.157 mm 29.723 mm HRAS_085 7216 E Comp -51.03 mm -51.026 mm 9.941 mm 6.692 mm HRAS_085 7216 N Comp 65.18 mm 65.184 mm 6.230 mm 4.194 mm 88. HRAS_085 CL 0 1983.05.11-08:08:11.976 -6372.904 ns 0.436 ns 0.419 ns 89. HRAS_085 CL 1 1983.05.11-08:08:11.976 -129.786 D-14 2.581 D-14 2.477 D-14 90. HRAS_085 CL 2 1983.05.11-08:08:11.976 -0.372 D-14/day 3.107 D-14/day 2.982 D-14/day 115. HRAS_085 AT 0 1983.05.11-08:08:11.976 44.391 ps 129.806 ps 124.571 ps HRAS_085 Atm 1983.05.11-20:08:44.160 Avg: 57.973 ps Rms: 17.193 ps Tot_Rms: 60.469 ps || Nat: 71 Dura: 63388.0 sec Tzd_avg: 6489.5 Tzd_rms: 45.0 Wzd_avg: 140.7 Wzd_rms: 47.5 ps Prs_avg: 83509. Pa Tem_avg: 4.6 C Stm_avg: -15.9 C Stm_rms: 3.2 K Spr_avg: -42. Spr_rms: 87. Pa 188. HRAS_085 NG 1983.05.11-08:07:11.976 -0.019 mm 0.422 mm 0.405 mm 189. HRAS_085 EG 1983.05.11-08:07:11.976 -0.008 mm 0.422 mm 0.405 mm 190. HRAS_085 NG 1983.05.11-16:07:11.976 -0.002 mm 0.377 mm 0.362 mm 191. HRAS_085 EG 1983.05.11-16:07:11.976 -0.003 mm 0.377 mm 0.362 mm 192. HRAS_085 NG 1983.05.12-00:07:11.976 0.010 mm 0.377 mm 0.362 mm 193. HRAS_085 EG 1983.05.12-00:07:11.976 0.005 mm 0.377 mm 0.362 mm 194. HRAS_085 NG 1983.05.12-08:07:11.976 0.003 mm 0.422 mm 0.405 mm 195. HRAS_085 EG 1983.05.12-08:07:11.976 0.002 mm 0.422 mm 0.405 mm 196. OVRO_130 7207 NOAM X Comp -2409600834.50 mm 52.498 mm 11.114 mm 10.666 mm 197. OVRO_130 7207 NOAM Y Comp -4478349521.82 mm -57.823 mm 27.671 mm 26.555 mm 198. OVRO_130 7207 NOAM Z Comp 3838603207.32 mm 19.317 mm 19.968 mm 19.163 mm OVRO_130 7207 U Comp 32.42 mm 32.425 mm 32.732 mm 22.032 mm OVRO_130 7207 E Comp 73.63 mm 73.629 mm 11.706 mm 7.879 mm OVRO_130 7207 N Comp -0.38 mm -0.378 mm 8.919 mm 6.003 mm 199. OVRO_130 CL 0 1983.05.11-08:08:11.976 -13230.749 ns 0.337 ns 0.324 ns 200. OVRO_130 CL 1 1983.05.11-08:08:11.976 -65.199 D-14 2.581 D-14 2.477 D-14 201. OVRO_130 CL 2 1983.05.11-08:08:11.976 1.735 D-14/day 3.016 D-14/day 2.894 D-14/day 226. OVRO_130 AT 0 1983.05.11-08:08:11.976 -39.295 ps 66.272 ps 63.599 ps OVRO_130 Atm 1983.05.11-20:08:44.160 Avg: -28.348 ps Rms: 5.984 ps Tot_Rms: 28.972 ps || Nat: 67 Dura: 84368.0 sec Tzd_avg: 6814.6 Tzd_rms: 11.5 Wzd_avg: 151.2 Wzd_rms: 12.6 ps Prs_avg: 87670. Pa Tem_avg: 7.2 C Stm_avg: -0.9 C Stm_rms: 5.0 K Spr_avg: -98. Spr_rms: 76. Pa 299. OVRO_130 NG 1983.05.11-08:07:11.976 0.011 mm 0.422 mm 0.405 mm 300. OVRO_130 EG 1983.05.11-08:07:11.976 0.012 mm 0.422 mm 0.405 mm 301. OVRO_130 NG 1983.05.11-16:07:11.976 -0.001 mm 0.377 mm 0.362 mm 302. OVRO_130 EG 1983.05.11-16:07:11.976 -0.005 mm 0.377 mm 0.362 mm 303. OVRO_130 NG 1983.05.12-00:07:11.976 -0.017 mm 0.377 mm 0.362 mm 304. OVRO_130 EG 1983.05.12-00:07:11.976 -0.010 mm 0.377 mm 0.362 mm 305. OVRO_130 NG 1983.05.12-08:07:11.976 -0.006 mm 0.422 mm 0.405 mm 306. OVRO_130 EG 1983.05.12-08:07:11.976 -0.004 mm 0.422 mm 0.405 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 6.44 ps/h NRMS 0.13 share 0.94 count 73 2. HRAS_085 Input 50.00 ps/h RMS 8.11 ps/h NRMS 0.16 share 0.95 count 73 6. OVRO_130 Input 50.00 ps/h RMS 8.72 ps/h NRMS 0.17 share 0.92 count 73 Overall RMS 7.81 ps/h NRMS 0.16 share 0.94 count 219 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 6. OVRO_130 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 2. HRAS_085 Input 5.00 D-14 RMS 1.56 D-14 NRMS 0.31 share 0.53 count 25 6. OVRO_130 Input 5.00 D-14 RMS 1.37 D-14 NRMS 0.27 share 0.54 count 25 Overall RMS 1.47 D-14 NRMS 0.29 share 0.54 count 50 307. UT1-TAI 1, 1983.05.11-19:51:00.000 -3.2526 ms/d -492.48 micros/d 354.93 micros/d 340.62 micros/d EOP epoch (TDT) MJD: 45465.827456 NUT epoch (TDT) MJD: 45465.657783 308. Nutation DPSI wrt apriori model 1983.05.11-19:51:12.456 3.425 mas 2839.2 microasec 2724.7 microasec Nutation Dx wrt apriori model 1983.05.11-19:51:12.456 1.359 mas 1126.2 microasec 1080.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.05.11-19:51:12.456 8.622 mas 2839.2 microasec 2724.7 microasec 309. Nutation DEPS wrt apriori model 1983.05.11-19:51:12.456 0.985 mas 875.0 microasec 839.7 microasec Nutation Dy wrt apriori model 1983.05.11-19:51:12.456 0.990 mas 879.2 microasec 843.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.05.11-19:51:12.456 0.502 mas 875.0 microasec 839.7 microasec 310. HRAS_085 OVRO_130 Clock offset 26.302 ps 13.604 ps 13.055 ps General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2860 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.05.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to HRAS_085 7216 3135640977.43 24.68 3135640977.43 24.68 124.69 13.65 -135.09 83.07 HAYSTACK 7205 to OVRO_130 7207 3928881623.33 22.04 3928881623.33 22.04 8.47 19.96 -151.48 66.43 HRAS_085 7216 to OVRO_130 7207 1508195384.61 12.29 1508195384.61 12.29 3.27 8.36 10.20 64.23 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1739 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:39:58 Correlator type: Unknown Experiment code: pol111 Mark-3 db_name: $83MAY16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830516_a Ver 2 pol111 Matrix Condition Number = 1.635672727609180E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.8 5.0 832.5 0.6 11.7 1.4 ONSALA60 MET 12.1 1.1 1008.7 2.5 92.2 0.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 3.8 1.7 1006.9 0.8 42.4 28.5 Run 26091-1739 262 Observation Pairs Available Session started on: 2445471.290800 1983.05.16 18:58:45.120 UTC Nominal duration: 86667.840 sec 01 00:04:27.840 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 82 47.579 ps 0.74 1.0133 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 84 Number of potentially good observations with QC 5-9: 84 Number of used observations: 82 ( 97.62%) Number of suppressed observations: 2 ( 2.38%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 10 10 105.349 0.81 19830516_a pol111 1983.05.17-07:00:59.0 BAS_STAT HRAS_085 WESTFORD 54 55 42.888 0.76 19830516_a pol111 1983.05.17-07:00:59.0 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 18 19 56.756 0.62 19830516_a pol111 1983.05.17-07:00:59.0 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19830516_a pol111 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830516_a pol111 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 11 24 36.529 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 0212+735 J0217+7349 10 10 32 84.234 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 0234+285 J0237+2848 11 11 28 49.904 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 0552+398 J0555+3948 8 8 24 36.955 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 1637+574 J1638+5720 3 3 19 60.000 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 2134+00 J2136+0041 5 5 18 96.464 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 3C273B J1229+0203 1 2 5 1.245 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 3C345 J1642+3948 2 2 2 14.775 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 3C454.3 J2253+1608 9 9 22 26.256 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: 4C39.25 J0927+3902 1 1 16 96.237 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: NRAO150 J0359+5057 4 4 23 58.637 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: OJ287 J0854+2006 3 3 7 31.951 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: OQ208 J1407+2827 1 1 2 11.485 19830516_a pol111 1983.05.17-07:00:59.040 SRC_STAT: VR422201 J2202+4216 14 14 40 74.783 19830516_a pol111 1983.05.17-07:00:59.040 ------------------------------------------------ Parameter adjustments for run 26091-1739 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.05.17-07:00:26 1. HRAS_085 7216 NOAM X Comp -1324210991.47 mm 25.533 mm 48.178 mm 48.496 mm 2. HRAS_085 7216 NOAM Y Comp -5332023091.09 mm -9.086 mm 67.110 mm 67.554 mm 3. HRAS_085 7216 NOAM Z Comp 3232118634.12 mm 327.118 mm 97.541 mm 98.185 mm HRAS_085 7216 U Comp 168.99 mm 168.989 mm 91.247 mm 67.542 mm HRAS_085 7216 E Comp 26.97 mm 26.970 mm 46.401 mm 34.346 mm HRAS_085 7216 N Comp 280.10 mm 280.100 mm 76.551 mm 56.664 mm 4. HRAS_085 CL 0 1983.05.16-18:58:12.936 1071.942 ns 0.669 ns 0.674 ns 5. HRAS_085 CL 1 1983.05.16-18:58:12.936 -131.497 D-14 2.445 D-14 2.461 D-14 6. HRAS_085 CL 2 1983.05.16-18:58:12.936 1.671 D-14/day 2.067 D-14/day 2.081 D-14/day 32. HRAS_085 AT 0 1983.05.16-18:58:12.936 -9.708 ps 197.589 ps 198.894 ps HRAS_085 Atm 1983.05.17-07:28:45.120 Avg: -14.888 ps Rms: 9.706 ps Tot_Rms: 17.773 ps || Nat: 68 Dura: 86670.0 sec Tzd_avg: 6469.0 Tzd_rms: 24.4 Wzd_avg: 125.7 Wzd_rms: 20.0 ps Prs_avg: 83248. Pa Tem_avg: 17.1 C Stm_avg: -2.2 C Stm_rms: 3.2 K Spr_avg: -222. Spr_rms: 66. Pa 108. HRAS_085 NG 1983.05.16-18:57:12.936 -0.001 mm 0.422 mm 0.425 mm 109. HRAS_085 EG 1983.05.16-18:57:12.936 0.011 mm 0.422 mm 0.425 mm 110. HRAS_085 NG 1983.05.17-02:57:12.936 -0.003 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1983.05.17-02:57:12.936 0.003 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1983.05.17-10:57:12.936 -0.013 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1983.05.17-10:57:12.936 0.000 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1983.05.17-18:57:12.936 -0.004 mm 0.422 mm 0.425 mm 115. HRAS_085 EG 1983.05.17-18:57:12.936 -0.022 mm 0.422 mm 0.425 mm 116. ONSALA60 7213 EURA X Comp 3370605819.72 mm -169.276 mm 96.016 mm 96.651 mm 117. ONSALA60 7213 EURA Y Comp 711917457.63 mm -71.371 mm 44.343 mm 44.636 mm 118. ONSALA60 7213 EURA Z Comp 5349830289.80 mm -476.201 mm 165.946 mm 167.042 mm ONSALA60 7213 U Comp -498.35 mm -498.348 mm 186.304 mm 137.904 mm ONSALA60 7213 E Comp -34.85 mm -34.849 mm 51.630 mm 38.217 mm ONSALA60 7213 N Comp -104.65 mm -104.645 mm 36.725 mm 27.184 mm 119. ONSALA60 CL 0 1983.05.16-18:58:12.936 8692.202 ns 1.066 ns 1.073 ns 120. ONSALA60 CL 1 1983.05.16-18:58:12.936 -47.259 D-14 3.179 D-14 3.200 D-14 121. ONSALA60 CL 2 1983.05.16-18:58:12.936 5.295 D-14/day 2.961 D-14/day 2.980 D-14/day 147. ONSALA60 AT 0 1983.05.16-18:58:12.936 341.846 ps 216.848 ps 218.280 ps ONSALA60 Atm 1983.05.17-07:28:45.120 Avg: 318.568 ps Rms: 17.066 ps Tot_Rms: 319.025 ps || Nat: 65 Dura: 81030.0 sec Tzd_avg: 8081.5 Tzd_rms: 82.5 Wzd_avg: 468.3 Wzd_rms: 102.1 ps Prs_avg: 100857. Pa Tem_avg: 12.1 C Stm_avg: -0.4 C Stm_rms: 1.2 K Spr_avg: 248. Spr_rms: 20. Pa 223. ONSALA60 NG 1983.05.16-18:57:12.936 -0.005 mm 0.422 mm 0.425 mm 224. ONSALA60 EG 1983.05.16-18:57:12.936 0.001 mm 0.422 mm 0.425 mm 225. ONSALA60 NG 1983.05.17-02:57:12.936 -0.002 mm 0.377 mm 0.380 mm 226. ONSALA60 EG 1983.05.17-02:57:12.936 0.000 mm 0.377 mm 0.380 mm 227. ONSALA60 NG 1983.05.17-10:57:12.936 0.004 mm 0.377 mm 0.380 mm 228. ONSALA60 EG 1983.05.17-10:57:12.936 0.001 mm 0.377 mm 0.380 mm 229. ONSALA60 NG 1983.05.17-18:57:12.936 0.008 mm 0.422 mm 0.425 mm 230. ONSALA60 EG 1983.05.17-18:57:12.936 -0.001 mm 0.422 mm 0.425 mm 231. WESTFORD 7209 NOAM X Comp 1492206686.74 mm 143.743 mm 51.342 mm 51.681 mm 232. WESTFORD 7209 NOAM Y Comp -4458130441.54 mm 80.457 mm 36.023 mm 36.261 mm 233. WESTFORD 7209 NOAM Z Comp 4296015696.08 mm 149.083 mm 81.787 mm 82.327 mm WESTFORD 7209 U Comp 78.36 mm 78.363 mm 78.574 mm 58.161 mm WESTFORD 7209 E Comp 161.85 mm 161.848 mm 49.518 mm 36.654 mm WESTFORD 7209 N Comp 130.48 mm 130.483 mm 44.686 mm 33.077 mm 234. WESTFORD AT 0 1983.05.16-18:58:12.936 -147.058 ps 107.346 ps 108.055 ps WESTFORD Atm 1983.05.17-07:28:45.120 Avg: -115.860 ps Rms: 22.669 ps Tot_Rms: 118.057 ps || Nat: 95 Dura: 86670.0 sec Tzd_avg: 7841.0 Tzd_rms: 134.3 Wzd_avg: 233.5 Wzd_rms: 157.4 ps Prs_avg: 100698. Pa Tem_avg: 3.7 C Stm_avg: -3.5 C Stm_rms: 2.8 K Spr_avg: 402. Spr_rms: 201. Pa 310. WESTFORD NG 1983.05.16-18:57:12.936 0.004 mm 0.422 mm 0.425 mm 311. WESTFORD EG 1983.05.16-18:57:12.936 -0.010 mm 0.422 mm 0.425 mm 312. WESTFORD NG 1983.05.17-02:57:12.936 -0.002 mm 0.377 mm 0.380 mm 313. WESTFORD EG 1983.05.17-02:57:12.936 -0.006 mm 0.377 mm 0.380 mm 314. WESTFORD NG 1983.05.17-10:57:12.936 -0.007 mm 0.377 mm 0.380 mm 315. WESTFORD EG 1983.05.17-10:57:12.936 -0.007 mm 0.377 mm 0.379 mm 316. WESTFORD NG 1983.05.17-18:57:12.936 -0.023 mm 0.422 mm 0.425 mm 317. WESTFORD EG 1983.05.17-18:57:12.936 0.019 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 5.39 ps/h NRMS 0.11 share 0.96 count 76 2. ONSALA60 Input 50.00 ps/h RMS 3.13 ps/h NRMS 0.06 share 0.98 count 76 4. WESTFORD Input 50.00 ps/h RMS 6.49 ps/h NRMS 0.13 share 0.93 count 76 Overall RMS 5.20 ps/h NRMS 0.10 share 0.95 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.25 D-14 NRMS 0.45 share 0.63 count 26 2. ONSALA60 Input 5.00 D-14 RMS 1.44 D-14 NRMS 0.29 share 0.82 count 26 Overall RMS 1.89 D-14 NRMS 0.38 share 0.73 count 52 318. UT1-TAI 1, 1983.05.17-07:01:00.000 -2.2252 ms/d 64.88 micros/d 338.48 micros/d 340.72 micros/d EOP epoch (TDT) MJD: 45471.292734 NUT epoch (TDT) MJD: 45471.508979 319. Nutation DPSI wrt apriori model 1983.05.17-07:00:26.856 -1.875 mas 3503.8 microasec 3527.0 microasec Nutation Dx wrt apriori model 1983.05.17-07:00:26.856 -0.749 mas 1384.3 microasec 1393.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.05.17-07:00:26.856 2.872 mas 3503.8 microasec 3527.0 microasec 320. Nutation DEPS wrt apriori model 1983.05.17-07:00:26.856 0.754 mas 2569.4 microasec 2586.4 microasec Nutation Dy wrt apriori model 1983.05.17-07:00:26.856 0.751 mas 2574.6 microasec 2591.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.05.17-07:00:26.856 -0.201 mas 2569.4 microasec 2586.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4859 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-173 Monument to monument values at epoch 1983.05.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732013.09152.83 7940732013.09152.83 222.42 36.74 704.05 273.49 HRAS_085 7216 to WESTFORD 7209 3134928046.94 28.93 3134928046.94 28.93 130.72 20.47 177.75 118.09 ONSALA60 7213 to WESTFORD 7209 5600741359.89 84.34 5600741359.89 84.34 81.94 30.57 -611.30 272.59 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:00 Correlator type: Unknown Experiment code: pol112 Mark-3 db_name: $83MAY23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830523_a Ver 2 pol112 Matrix Condition Number = 2.127552969364153E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.8 4.0 838.9 0.9 51.0 6.4 WESTFORD MET 12.2 3.6 1004.2 1.6 75.6 2.1 Run 26091-1740 221 Observation Pairs Available Session started on: 2445478.208500 1983.05.23 17:00:14.400 UTC Nominal duration: 88439.040 sec 01 00:33:59.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 147 58.431 ps 0.87 1.0117 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 147 Number of potentially good observations with QC 5-9: 147 Number of used observations: 147 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 147 147 58.431 0.87 19830523_a pol112 1983.05.24-05:17:13.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 15 70.415 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 0212+735 J0217+7349 4 4 11 170.025 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 0234+285 J0237+2848 11 11 17 62.607 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 0552+398 J0555+3948 13 13 19 90.094 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 1637+574 J1638+5720 3 3 20 105.805 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 2134+00 J2136+0041 9 9 15 64.409 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 3C273B J1229+0203 16 16 17 26.893 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 3C345 J1642+3948 18 18 19 37.162 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 3C454.3 J2253+1608 12 12 12 34.606 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: 4C39.25 J0927+3902 6 6 13 157.229 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: NRAO150 J0359+5057 9 9 16 90.986 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: OJ287 J0854+2006 11 11 15 39.689 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: OQ208 J1407+2827 14 14 20 117.414 19830523_a pol112 1983.05.24-05:17:13.920 SRC_STAT: VR422201 J2202+4216 10 10 12 51.579 19830523_a pol112 1983.05.24-05:17:13.920 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.05.24-05:16:41 1. HRAS_085 7216 NOAM X Comp -1324211057.25 mm -40.251 mm 5.868 mm 5.902 mm 2. HRAS_085 7216 NOAM Y Comp -5332023142.05 mm -60.050 mm 24.027 mm 24.166 mm 3. HRAS_085 7216 NOAM Z Comp 3232118405.15 mm 98.154 mm 18.586 mm 18.694 mm HRAS_085 7216 U Comp 108.51 mm 108.511 mm 29.058 mm 25.234 mm HRAS_085 7216 E Comp -24.59 mm -24.591 mm 8.841 mm 7.677 mm HRAS_085 7216 N Comp 49.81 mm 49.810 mm 5.883 mm 5.109 mm 4. HRAS_085 CL 0 1983.05.23-16:59:42.216 1400.364 ns 0.579 ns 0.582 ns 5. HRAS_085 CL 1 1983.05.23-16:59:42.216 -144.978 D-14 2.862 D-14 2.879 D-14 6. HRAS_085 CL 2 1983.05.23-16:59:42.216 1.482 D-14/day 2.202 D-14/day 2.215 D-14/day 32. HRAS_085 AT 0 1983.05.23-16:59:42.216 -9.624 ps 81.757 ps 82.233 ps HRAS_085 Atm 1983.05.24-05:30:14.400 Avg: -1.005 ps Rms: 29.626 ps Tot_Rms: 29.643 ps || Nat: 221 Dura: 88440.0 sec Tzd_avg: 6667.6 Tzd_rms: 28.2 Wzd_avg: 284.7 Wzd_rms: 36.6 ps Prs_avg: 83886. Pa Tem_avg: 17.8 C Stm_avg: -2.8 C Stm_rms: 1.7 K Spr_avg: -178. Spr_rms: 52. Pa 108. HRAS_085 NG 1983.05.23-16:58:42.216 -0.004 mm 0.422 mm 0.425 mm 109. HRAS_085 EG 1983.05.23-16:58:42.216 0.011 mm 0.422 mm 0.425 mm 110. HRAS_085 NG 1983.05.24-00:58:42.216 -0.002 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1983.05.24-00:58:42.216 0.022 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1983.05.24-08:58:42.216 -0.007 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1983.05.24-08:58:42.216 0.003 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1983.05.24-16:58:42.216 -0.019 mm 0.422 mm 0.425 mm 115. HRAS_085 EG 1983.05.24-16:58:42.216 -0.009 mm 0.422 mm 0.425 mm 116. WESTFORD 7209 NOAM X Comp 1492206583.25 mm 40.251 mm 5.868 mm 5.902 mm 117. WESTFORD 7209 NOAM Y Comp -4458130461.95 mm 60.050 mm 24.027 mm 24.166 mm 118. WESTFORD 7209 NOAM Z Comp 4296015448.85 mm -98.154 mm 18.586 mm 18.694 mm WESTFORD 7209 U Comp -98.96 mm -98.960 mm 29.446 mm 25.571 mm WESTFORD 7209 E Comp 57.23 mm 57.230 mm 8.570 mm 7.442 mm WESTFORD 7209 N Comp -42.33 mm -42.332 mm 4.078 mm 3.541 mm 119. WESTFORD AT 0 1983.05.23-16:59:42.216 22.510 ps 102.164 ps 102.758 ps WESTFORD Atm 1983.05.24-05:30:14.400 Avg: -9.647 ps Rms: 39.953 ps Tot_Rms: 41.101 ps || Nat: 221 Dura: 88440.0 sec Tzd_avg: 8129.1 Tzd_rms: 41.8 Wzd_avg: 585.8 Wzd_rms: 37.7 ps Prs_avg: 100415. Pa Tem_avg: 12.2 C Stm_avg: -1.6 C Stm_rms: 1.1 K Spr_avg: 807. Spr_rms: 46. Pa 195. WESTFORD NG 1983.05.23-16:58:42.216 0.002 mm 0.422 mm 0.425 mm 196. WESTFORD EG 1983.05.23-16:58:42.216 -0.007 mm 0.422 mm 0.425 mm 197. WESTFORD NG 1983.05.24-00:58:42.216 0.003 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1983.05.24-00:58:42.216 -0.013 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1983.05.24-08:58:42.216 0.009 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1983.05.24-08:58:42.216 0.004 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1983.05.24-16:58:42.216 0.010 mm 0.422 mm 0.425 mm 202. WESTFORD EG 1983.05.24-16:58:42.216 0.031 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.05 ps/h NRMS 0.26 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.28 ps/h NRMS 0.29 share 0.91 count 76 Overall RMS 13.68 ps/h NRMS 0.27 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.92 D-14 NRMS 0.38 share 0.35 count 26 Overall RMS 1.92 D-14 NRMS 0.38 share 0.35 count 26 203. UT1-TAI 1, 1983.05.24-05:17:00.000 -2.2021 ms/d 418.33 micros/d 332.56 micros/d 334.50 micros/d EOP epoch (TDT) MJD: 45478.220511 NUT epoch (TDT) MJD: 45478.286926 204. Nutation DPSI wrt apriori model 1983.05.24-05:16:41.736 0.875 mas 2527.9 microasec 2542.6 microasec Nutation Dx wrt apriori model 1983.05.24-05:16:41.736 0.347 mas 1001.5 microasec 1007.3 microasec Nutation DPSI wrt Wahr 1980 model 1983.05.24-05:16:41.736 5.827 mas 2527.9 microasec 2542.6 microasec 205. Nutation DEPS wrt apriori model 1983.05.24-05:16:41.736 0.346 mas 1109.9 microasec 1116.4 microasec Nutation Dy wrt apriori model 1983.05.24-05:16:41.736 0.347 mas 1113.7 microasec 1120.2 microasec Nutation DEPS wrt Wahr 1980 model 1983.05.24-05:16:41.736 -0.232 mas 1109.9 microasec 1116.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1178 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.05.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928015.38 12.27 3134928015.38 12.27 110.66 6.68 213.68 60.28 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:03 Correlator type: Unknown Experiment code: pol113 Mark-3 db_name: $83MAY31X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830531_a Ver 2 pol113 Matrix Condition Number = 2.555920271702920E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 10.9 4.1 832.6 0.6 80.7 29.1 WESTFORD MET 15.8 2.9 1000.1 1.8 69.1 34.2 Run 26091-1740 231 Observation Pairs Available Session started on: 2445486.232100 1983.05.31 17:34:13.440 UTC Nominal duration: 88136.640 sec 01 00:28:56.640 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 165 75.589 ps 0.90 1.0495 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 167 Number of potentially good observations with QC 5-9: 167 Number of used observations: 165 ( 98.80%) Number of suppressed observations: 2 ( 1.20%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 165 167 75.589 0.90 19830531_a pol113 1983.06.01-05:48:41.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 14 92.416 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 0212+735 J0217+7349 7 7 14 183.328 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 0234+285 J0237+2848 13 13 15 60.033 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 0552+398 J0555+3948 20 21 21 92.031 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 1637+574 J1638+5720 6 6 20 182.515 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 2134+00 J2136+0041 8 8 15 61.586 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 3C273B J1229+0203 14 14 17 43.481 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 3C345 J1642+3948 20 20 20 33.270 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 3C454.3 J2253+1608 11 12 14 57.289 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: 4C39.25 J0927+3902 6 6 15 114.232 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: NRAO150 J0359+5057 14 14 17 97.994 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: OJ287 J0854+2006 14 14 16 47.672 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: OQ208 J1407+2827 14 14 20 164.157 19830531_a pol113 1983.06.01-05:48:41.760 SRC_STAT: VR422201 J2202+4216 8 8 13 66.849 19830531_a pol113 1983.06.01-05:48:41.760 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.01-05:48:09 1. HRAS_085 7216 NOAM X Comp -1324211074.23 mm -57.228 mm 6.578 mm 6.739 mm 2. HRAS_085 7216 NOAM Y Comp -5332023148.81 mm -66.809 mm 26.326 mm 26.970 mm 3. HRAS_085 7216 NOAM Z Comp 3232118427.88 mm 120.876 mm 20.213 mm 20.707 mm HRAS_085 7216 U Comp 129.25 mm 129.255 mm 31.697 mm 28.423 mm HRAS_085 7216 E Comp -39.44 mm -39.438 mm 9.951 mm 8.923 mm HRAS_085 7216 N Comp 63.93 mm 63.933 mm 6.419 mm 5.756 mm 4. HRAS_085 CL 0 1983.05.31-17:33:41.256 411.193 ns 0.336 ns 0.344 ns 5. HRAS_085 CL 1 1983.05.31-17:33:41.256 -176.777 D-14 2.151 D-14 2.204 D-14 6. HRAS_085 CL 2 1983.05.31-17:33:41.256 5.580 D-14/day 1.803 D-14/day 1.847 D-14/day 32. HRAS_085 AT 0 1983.05.31-17:33:41.256 -143.636 ps 63.179 ps 64.722 ps HRAS_085 Atm 1983.06.01-06:04:13.440 Avg: -223.108 ps Rms: 60.849 ps Tot_Rms: 231.257 ps || Nat: 231 Dura: 88140.0 sec Tzd_avg: 6849.0 Tzd_rms: 61.3 Wzd_avg: 512.8 Wzd_rms: 62.6 ps Prs_avg: 83261. Pa Tem_avg: 10.9 C Stm_avg: -5.2 C Stm_rms: 3.9 K Spr_avg: -287. Spr_rms: 35. Pa 108. HRAS_085 NG 1983.05.31-17:32:41.256 -0.014 mm 0.422 mm 0.433 mm 109. HRAS_085 EG 1983.05.31-17:32:41.256 -0.019 mm 0.422 mm 0.433 mm 110. HRAS_085 NG 1983.06.01-01:32:41.256 -0.005 mm 0.377 mm 0.386 mm 111. HRAS_085 EG 1983.06.01-01:32:41.256 -0.013 mm 0.377 mm 0.386 mm 112. HRAS_085 NG 1983.06.01-09:32:41.256 -0.011 mm 0.377 mm 0.386 mm 113. HRAS_085 EG 1983.06.01-09:32:41.256 0.025 mm 0.377 mm 0.386 mm 114. HRAS_085 NG 1983.06.01-17:32:41.256 -0.013 mm 0.422 mm 0.433 mm 115. HRAS_085 EG 1983.06.01-17:32:41.256 -0.008 mm 0.422 mm 0.433 mm 116. WESTFORD 7209 NOAM X Comp 1492206600.23 mm 57.228 mm 6.578 mm 6.739 mm 117. WESTFORD 7209 NOAM Y Comp -4458130455.19 mm 66.809 mm 26.326 mm 26.970 mm 118. WESTFORD 7209 NOAM Z Comp 4296015426.12 mm -120.876 mm 20.213 mm 20.707 mm WESTFORD 7209 U Comp -115.10 mm -115.096 mm 32.205 mm 28.879 mm WESTFORD 7209 E Comp 75.47 mm 75.474 mm 9.251 mm 8.296 mm WESTFORD 7209 N Comp -58.36 mm -58.362 mm 4.705 mm 4.219 mm 119. WESTFORD AT 0 1983.05.31-17:33:41.256 57.987 ps 77.802 ps 79.703 ps WESTFORD Atm 1983.06.01-06:04:13.440 Avg: -25.472 ps Rms: 48.964 ps Tot_Rms: 55.193 ps || Nat: 231 Dura: 88140.0 sec Tzd_avg: 7986.2 Tzd_rms: 140.9 Wzd_avg: 468.1 Wzd_rms: 158.7 ps Prs_avg: 100016. Pa Tem_avg: 15.9 C Stm_avg: -0.3 C Stm_rms: 1.4 K Spr_avg: 792. Spr_rms: 47. Pa 195. WESTFORD NG 1983.05.31-17:32:41.256 -0.008 mm 0.422 mm 0.433 mm 196. WESTFORD EG 1983.05.31-17:32:41.256 0.027 mm 0.422 mm 0.432 mm 197. WESTFORD NG 1983.06.01-01:32:41.256 -0.018 mm 0.377 mm 0.386 mm 198. WESTFORD EG 1983.06.01-01:32:41.256 0.011 mm 0.377 mm 0.386 mm 199. WESTFORD NG 1983.06.01-09:32:41.256 -0.000 mm 0.377 mm 0.386 mm 200. WESTFORD EG 1983.06.01-09:32:41.256 -0.030 mm 0.377 mm 0.386 mm 201. WESTFORD NG 1983.06.01-17:32:41.256 -0.004 mm 0.422 mm 0.433 mm 202. WESTFORD EG 1983.06.01-17:32:41.256 0.001 mm 0.422 mm 0.432 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.05 ps/h NRMS 0.28 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 15.65 ps/h NRMS 0.31 share 0.92 count 76 Overall RMS 14.87 ps/h NRMS 0.30 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.32 D-14 NRMS 0.66 share 0.28 count 26 Overall RMS 3.32 D-14 NRMS 0.66 share 0.28 count 26 203. UT1-TAI 1, 1983.06.01-05:48:00.000 -2.0180 ms/d -147.36 micros/d 327.32 micros/d 335.32 micros/d EOP epoch (TDT) MJD: 45486.242039 NUT epoch (TDT) MJD: 45486.207218 204. Nutation DPSI wrt apriori model 1983.06.01-05:48:09.576 0.259 mas 2833.5 microasec 2902.7 microasec Nutation Dx wrt apriori model 1983.06.01-05:48:09.576 0.102 mas 1123.3 microasec 1150.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.01-05:48:09.576 4.460 mas 2833.5 microasec 2902.7 microasec 205. Nutation DEPS wrt apriori model 1983.06.01-05:48:09.576 0.415 mas 1042.9 microasec 1068.4 microasec Nutation Dy wrt apriori model 1983.06.01-05:48:09.576 0.415 mas 1047.1 microasec 1072.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.01-05:48:09.576 -0.436 mas 1042.9 microasec 1068.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1435 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928034.23 13.53 3134928034.23 13.53 150.76 7.85 251.60 65.84 NNT_POS: 4 stations participated in NNT_POS constraints: HATCREEK HRAS_085 OVRO_130 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:06 Correlator type: Unknown Experiment code: gsfca Mark-3 db_name: $83JUN06X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830606_a Ver 2 gsfca Matrix Condition Number = 5.327309909204902E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | HRAS_085: CABL_DEL GION | | OVRO_130: CABL_DEL GION | | PLATTVIL: CABL_DEL GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET 19.1 6.4 897.1 0.1 25.8 10.6 HRAS_085 MET 10.6 0.8 838.2 0.7 92.0 18.1 OVRO_130 MET 20.7 7.1 876.6 1.5 21.4 8.7 PLATTVIL MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 19.6 2.2 1000.5 1.8 29.9 14.3 Run 26091-1740 545 Observation Pairs Available Session started on: 2445492.127600 1983.06.06 15:03:44.640 UTC Nominal duration: 85803.840 sec 00 23:50:03.840 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 317 13.902 ps 0.78 1.0041 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 339 Number of potentially good observations with QC 5-9: 339 Number of used observations: 317 ( 93.51%) Number of suppressed observations: 22 ( 6.49%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK HRAS_085 35 35 16.035 0.82 19830606_a gsfca 1983.06.07-02:58:46.5 BAS_STAT HATCREEK OVRO_130 36 37 6.960 0.62 19830606_a gsfca 1983.06.07-02:58:46.5 BAS_STAT HATCREEK WESTFORD 35 36 63.412 0.93 19830606_a gsfca 1983.06.07-02:58:46.5 BAS_STAT HRAS_085 OVRO_130 77 86 7.073 0.58 19830606_a gsfca 1983.06.07-02:58:46.5 BAS_STAT HRAS_085 WESTFORD 68 71 45.924 0.90 19830606_a gsfca 1983.06.07-02:58:46.5 BAS_STAT OVRO_130 WESTFORD 66 74 28.414 0.81 19830606_a gsfca 1983.06.07-02:58:46.5 BAS_STAT Not included: HATCREEK PLATTVIL 0/ 0 deselected baseline 19830606_a gsfca HRAS_085 PLATTVIL 0/ 0 deselected baseline 19830606_a gsfca OVRO_130 PLATTVIL 0/ 0 deselected baseline 19830606_a gsfca PLATTVIL WESTFORD 0/ 0 deselected baseline 19830606_a gsfca Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 20 37 11.124 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 0528+134 J0530+1331 10 13 21 25.289 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 0552+398 J0555+3948 17 19 30 15.638 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 1741-038 J1743-0350 25 27 57 22.273 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 2134+00 J2136+0041 27 27 51 13.290 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 2201+315 J2203+3145 43 45 73 20.657 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 3C273B J1229+0203 30 31 41 11.608 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 3C345 J1642+3948 59 60 83 9.686 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 3C454.3 J2253+1608 31 31 50 12.918 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 3C84 J0319+4130 16 23 36 16.166 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: 4C39.25 J0927+3902 21 22 39 20.200 19830606_a gsfca 1983.06.07-02:58:46.560 SRC_STAT: OJ287 J0854+2006 20 21 27 10.564 19830606_a gsfca 1983.06.07-02:58:46.560 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.07-02:58:14 1. HATCREEK 7218 NOAM X Comp -2523970030.13 mm 73.868 mm 7.876 mm 7.893 mm 2. HATCREEK 7218 NOAM Y Comp -4123506293.15 mm 10.853 mm 14.699 mm 14.729 mm 3. HATCREEK 7218 NOAM Z Comp 4147752549.26 mm 12.262 mm 12.702 mm 12.728 mm HATCREEK 7218 U Comp -28.18 mm -28.175 mm 20.327 mm 15.822 mm HATCREEK 7218 E Comp 57.34 mm 57.337 mm 4.285 mm 3.336 mm HATCREEK 7218 N Comp 40.54 mm 40.538 mm 2.808 mm 2.186 mm 4. HATCREEK CL 0 1983.06.06-15:03:12.456 2894.148 ns 2.439 ns 2.444 ns 5. HATCREEK CL 1 1983.06.06-15:03:12.456 -116.883 D-14 7.921 D-14 7.938 D-14 6. HATCREEK CL 2 1983.06.06-15:03:12.456 2.485 D-14/day 5.189 D-14/day 5.200 D-14/day 31. HATCREEK AT 0 1983.06.06-15:03:12.456 32.318 ps 117.677 ps 117.920 ps HATCREEK Atm 1983.06.07-03:03:44.640 Avg: 20.072 ps Rms: 19.483 ps Tot_Rms: 27.973 ps || Nat: 54 Dura: 44740.0 sec Tzd_avg: 7208.6 Tzd_rms: 12.4 Wzd_avg: 420.2 Wzd_rms: 9.6 ps Prs_avg: 89706. Pa Tem_avg: 19.5 C Stm_avg: -0.0 C Stm_rms: 4.9 K Spr_avg: 134. Spr_rms: 89. Pa 104. HATCREEK NG 1983.06.06-15:02:12.456 0.021 mm 0.422 mm 0.423 mm 105. HATCREEK EG 1983.06.06-15:02:12.456 -0.000 mm 0.422 mm 0.423 mm 106. HATCREEK NG 1983.06.06-23:02:12.456 0.057 mm 0.376 mm 0.377 mm 107. HATCREEK EG 1983.06.06-23:02:12.456 -0.001 mm 0.377 mm 0.377 mm 108. HATCREEK NG 1983.06.07-07:02:12.456 0.025 mm 0.377 mm 0.377 mm 109. HATCREEK EG 1983.06.07-07:02:12.456 0.016 mm 0.376 mm 0.377 mm 110. HATCREEK NG 1983.06.07-15:02:12.456 -0.070 mm 0.421 mm 0.421 mm 111. HATCREEK EG 1983.06.07-15:02:12.456 -0.032 mm 0.420 mm 0.421 mm 112. HRAS_085 7216 NOAM X Comp -1324211109.17 mm -92.175 mm 5.327 mm 5.338 mm 113. HRAS_085 7216 NOAM Y Comp -5332023097.41 mm -15.413 mm 18.755 mm 18.794 mm 114. HRAS_085 7216 NOAM Z Comp 3232118388.22 mm 81.224 mm 11.333 mm 11.356 mm HRAS_085 7216 U Comp 73.38 mm 73.378 mm 22.180 mm 17.265 mm HRAS_085 7216 E Comp -85.74 mm -85.742 mm 3.390 mm 2.639 mm HRAS_085 7216 N Comp 50.94 mm 50.942 mm 2.261 mm 1.760 mm 115. HRAS_085 CL 0 1983.06.06-15:03:12.456 -677.642 ns 0.360 ns 0.361 ns 116. HRAS_085 CL 1 1983.06.06-15:03:12.456 -187.097 D-14 2.437 D-14 2.442 D-14 117. HRAS_085 CL 2 1983.06.06-15:03:12.456 3.195 D-14/day 2.031 D-14/day 2.035 D-14/day 142. HRAS_085 AT 0 1983.06.06-15:03:12.456 -198.387 ps 71.725 ps 71.873 ps HRAS_085 Atm 1983.06.07-03:03:44.640 Avg: -62.389 ps Rms: 98.683 ps Tot_Rms: 116.750 ps || Nat: 103 Dura: 85808.0 sec Tzd_avg: 6746.7 Tzd_rms: 98.3 Wzd_avg: 369.8 Wzd_rms: 105.9 ps Prs_avg: 83809. Pa Tem_avg: 10.7 C Stm_avg: -5.1 C Stm_rms: 2.8 K Spr_avg: -211. Spr_rms: 80. Pa 215. HRAS_085 NG 1983.06.06-15:02:12.456 0.064 mm 0.421 mm 0.422 mm 216. HRAS_085 EG 1983.06.06-15:02:12.456 0.042 mm 0.421 mm 0.422 mm 217. HRAS_085 NG 1983.06.06-23:02:12.456 0.036 mm 0.375 mm 0.376 mm 218. HRAS_085 EG 1983.06.06-23:02:12.456 0.010 mm 0.375 mm 0.376 mm 219. HRAS_085 NG 1983.06.07-07:02:12.456 0.004 mm 0.376 mm 0.377 mm 220. HRAS_085 EG 1983.06.07-07:02:12.456 -0.106 mm 0.375 mm 0.376 mm 221. HRAS_085 NG 1983.06.07-15:02:12.456 0.009 mm 0.420 mm 0.420 mm 222. HRAS_085 EG 1983.06.07-15:02:12.456 0.006 mm 0.418 mm 0.419 mm 223. OVRO_130 7207 NOAM X Comp -2409600864.16 mm 22.836 mm 4.734 mm 4.744 mm 224. OVRO_130 7207 NOAM Y Comp -4478349516.49 mm -52.485 mm 10.573 mm 10.595 mm 225. OVRO_130 7207 NOAM Z Comp 3838603205.62 mm 17.621 mm 8.130 mm 8.147 mm OVRO_130 7207 U Comp 38.85 mm 38.846 mm 13.480 mm 10.493 mm OVRO_130 7207 E Comp 44.98 mm 44.979 mm 3.838 mm 2.987 mm OVRO_130 7207 N Comp -7.39 mm -7.388 mm 1.965 mm 1.530 mm 226. OVRO_130 CL 0 1983.06.06-15:03:12.456 -5864.167 ns 0.355 ns 0.355 ns 227. OVRO_130 CL 1 1983.06.06-15:03:12.456 -8.116 D-14 2.445 D-14 2.450 D-14 228. OVRO_130 CL 2 1983.06.06-15:03:12.456 3.931 D-14/day 2.032 D-14/day 2.036 D-14/day 253. OVRO_130 AT 0 1983.06.06-15:03:12.456 43.024 ps 60.222 ps 60.346 ps OVRO_130 Atm 1983.06.07-03:03:44.640 Avg: -24.006 ps Rms: 46.830 ps Tot_Rms: 52.625 ps || Nat: 104 Dura: 85808.0 sec Tzd_avg: 7025.8 Tzd_rms: 80.5 Wzd_avg: 383.1 Wzd_rms: 87.0 ps Prs_avg: 87675. Pa Tem_avg: 22.4 C Stm_avg: -1.0 C Stm_rms: 4.7 K Spr_avg: 57. Spr_rms: 106. Pa 326. OVRO_130 NG 1983.06.06-15:02:12.456 -0.052 mm 0.422 mm 0.422 mm 327. OVRO_130 EG 1983.06.06-15:02:12.456 -0.044 mm 0.421 mm 0.422 mm 328. OVRO_130 NG 1983.06.06-23:02:12.456 -0.063 mm 0.375 mm 0.376 mm 329. OVRO_130 EG 1983.06.06-23:02:12.456 -0.023 mm 0.375 mm 0.375 mm 330. OVRO_130 NG 1983.06.07-07:02:12.456 0.007 mm 0.375 mm 0.376 mm 331. OVRO_130 EG 1983.06.07-07:02:12.456 0.003 mm 0.375 mm 0.376 mm 332. OVRO_130 NG 1983.06.07-15:02:12.456 0.104 mm 0.420 mm 0.421 mm 333. OVRO_130 EG 1983.06.07-15:02:12.456 0.010 mm 0.419 mm 0.420 mm 334. WESTFORD 7209 NOAM X Comp 1492206538.47 mm -4.530 mm 5.355 mm 5.366 mm 335. WESTFORD 7209 NOAM Y Comp -4458130464.95 mm 57.045 mm 17.906 mm 17.943 mm 336. WESTFORD 7209 NOAM Z Comp 4296015435.89 mm -111.107 mm 13.489 mm 13.517 mm WESTFORD 7209 U Comp -116.09 mm -116.094 mm 21.338 mm 16.610 mm WESTFORD 7209 E Comp 13.81 mm 13.811 mm 7.716 mm 6.006 mm WESTFORD 7209 N Comp -44.17 mm -44.170 mm 4.052 mm 3.154 mm 337. WESTFORD AT 0 1983.06.06-15:03:12.456 -5.035 ps 81.622 ps 81.790 ps WESTFORD Atm 1983.06.07-03:03:44.640 Avg: 16.292 ps Rms: 58.121 ps Tot_Rms: 60.361 ps || Nat: 103 Dura: 85808.0 sec Tzd_avg: 8158.4 Tzd_rms: 90.4 Wzd_avg: 633.6 Wzd_rms: 108.6 ps Prs_avg: 100086. Pa Tem_avg: 20.2 C Stm_avg: 0.4 C Stm_rms: 1.0 K Spr_avg: 700. Spr_rms: 71. Pa 410. WESTFORD NG 1983.06.06-15:02:12.456 -0.013 mm 0.422 mm 0.423 mm 411. WESTFORD EG 1983.06.06-15:02:12.456 0.001 mm 0.422 mm 0.423 mm 412. WESTFORD NG 1983.06.06-23:02:12.456 -0.012 mm 0.377 mm 0.378 mm 413. WESTFORD EG 1983.06.06-23:02:12.456 0.005 mm 0.377 mm 0.377 mm 414. WESTFORD NG 1983.06.07-07:02:12.456 -0.008 mm 0.377 mm 0.378 mm 415. WESTFORD EG 1983.06.07-07:02:12.456 0.026 mm 0.377 mm 0.377 mm 416. WESTFORD NG 1983.06.07-15:02:12.456 0.010 mm 0.422 mm 0.423 mm 417. WESTFORD EG 1983.06.07-15:02:12.456 -0.021 mm 0.421 mm 0.422 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 17.65 ps/h NRMS 0.35 share 0.88 count 73 2. HRAS_085 Input 50.00 ps/h RMS 24.38 ps/h NRMS 0.49 share 0.77 count 73 3. OVRO_130 Input 50.00 ps/h RMS 25.70 ps/h NRMS 0.51 share 0.73 count 73 5. WESTFORD Input 50.00 ps/h RMS 28.83 ps/h NRMS 0.58 share 0.85 count 73 Overall RMS 24.48 ps/h NRMS 0.49 share 0.81 count 292 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.10 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.53 count 8 5. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.15 mm/d NRMS 0.08 share 0.53 count 32 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 1.01 D-14 NRMS 0.20 share 0.61 count 25 2. HRAS_085 Input 5.00 D-14 RMS 2.22 D-14 NRMS 0.44 share 0.24 count 25 3. OVRO_130 Input 5.00 D-14 RMS 2.62 D-14 NRMS 0.52 share 0.24 count 25 Overall RMS 2.07 D-14 NRMS 0.41 share 0.36 count 75 418. UT1-TAI 1, 1983.06.07-02:58:00.000 -2.4876 ms/d -39.03 micros/d 123.96 micros/d 124.21 micros/d EOP epoch (TDT) MJD: 45492.123984 NUT epoch (TDT) MJD: 45492.263543 419. Nutation DPSI wrt apriori model 1983.06.07-02:58:14.376 0.002 mas 1086.5 microasec 1088.7 microasec Nutation Dx wrt apriori model 1983.06.07-02:58:14.376 0.005 mas 430.9 microasec 431.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.07-02:58:14.376 3.132 mas 1086.5 microasec 1088.7 microasec 420. Nutation DEPS wrt apriori model 1983.06.07-02:58:14.376 -0.969 mas 346.2 microasec 346.9 microasec Nutation Dy wrt apriori model 1983.06.07-02:58:14.376 -0.969 mas 347.8 microasec 348.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.07-02:58:14.376 -1.620 mas 346.2 microasec 346.9 microasec 421. HATCREEK HRAS_085 Clock offset 18.556 ps 14.113 ps 14.142 ps 422. HATCREEK OVRO_130 Clock offset 19.279 ps 13.077 ps 13.104 ps 423. HRAS_085 OVRO_130 Clock offset -0.649 ps 8.071 ps 8.088 ps General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1065 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to HRAS_085 7216 1933473623.16 7.14 1933473623.16 7.14 80.29 3.02 -111.10 36.37 HATCREEK 7218 to OVRO_130 7207 484321521.25 2.86 484321521.25 2.86 36.80 2.55 -65.83 25.57 HATCREEK 7218 to WESTFORD 7209 4032819045.05 10.56 4032819045.05 10.56 58.34 6.41 112.36 35.11 HRAS_085 7216 to OVRO_130 7207 1508195390.77 5.38 1508195390.77 5.38 15.61 2.24 40.96 28.78 HRAS_085 7216 to WESTFORD 7209 3134928009.87 8.77 3134928009.87 8.77 136.82 4.79 173.41 37.00 OVRO_130 7207 to WESTFORD 7209 3928579357.18 7.79 3928579357.18 7.79 17.80 5.60 165.13 29.29 NNT_POS: 3 stations participated in NNT_POS constraints: HATCREEK OVRO_130 PLATTVIL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:09 Correlator type: Unknown Experiment code: gsfcb Mark-3 db_name: $83JUN07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830607_a Ver 2 gsfcb Matrix Condition Number = 5.402579863248996E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | OVRO_130: GION | | PLATTVIL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PLATTVIL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET 25.5 3.8 894.1 0.6 25.5 7.2 OVRO_130 MET 20.1 6.3 875.0 1.1 9.8 13.9 PLATTVIL MET -999.0 0.0 -999.0 0.0-99900.0 0.0 Run 26091-1740 158 Observation Pairs Available Session started on: 2445493.294200 1983.06.07 19:03:38.880 UTC Nominal duration: 71288.640 sec 00 19:48:08.640 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 58 34.146 ps 0.65 0.9867 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 66 Number of potentially good observations with QC 5-9: 66 Number of used observations: 58 ( 87.88%) Number of suppressed observations: 8 ( 12.12%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK OVRO_130 13 17 18.518 0.50 19830607_a gsfcb 1983.06.08-04:57:43.2 BAS_STAT HATCREEK PLATTVIL 9 10 50.236 0.73 19830607_a gsfcb 1983.06.08-04:57:43.2 BAS_STAT OVRO_130 PLATTVIL 36 39 41.141 0.67 19830607_a gsfcb 1983.06.08-04:57:43.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 1 2 5 37.201 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 0528+134 J0530+1331 6 6 14 74.724 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 0552+398 J0555+3948 5 6 18 61.464 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 1741-038 J1743-0350 4 4 11 28.620 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 2134+00 J2136+0041 0 0 3 0.000 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 2201+315 J2203+3145 0 0 6 0.000 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 3C273B J1229+0203 9 9 19 21.534 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 3C345 J1642+3948 9 12 19 16.115 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 3C454.3 J2253+1608 1 1 4 13.192 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 3C84 J0319+4130 3 4 13 58.193 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: 4C39.25 J0927+3902 12 12 25 32.904 19830607_a gsfcb 1983.06.08-04:57:43.200 SRC_STAT: OJ287 J0854+2006 8 10 21 25.365 19830607_a gsfcb 1983.06.08-04:57:43.200 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.08-04:57:11 1. HATCREEK 7218 NOAM X Comp -2523970088.67 mm 15.329 mm 19.971 mm 19.838 mm 2. HATCREEK 7218 NOAM Y Comp -4123506343.21 mm -39.210 mm 30.382 mm 30.179 mm 3. HATCREEK 7218 NOAM Z Comp 4147752573.83 mm 36.834 mm 34.017 mm 33.790 mm HATCREEK 7218 U Comp 43.33 mm 43.329 mm 45.327 mm 29.368 mm HATCREEK 7218 E Comp 33.54 mm 33.544 mm 9.352 mm 6.060 mm HATCREEK 7218 N Comp 11.25 mm 11.247 mm 18.361 mm 11.897 mm 4. HATCREEK CL 0 1983.06.07-19:03:06.696 8654.295 ns 0.360 ns 0.358 ns 5. HATCREEK CL 1 1983.06.07-19:03:06.696 -113.068 D-14 3.657 D-14 3.633 D-14 6. HATCREEK CL 2 1983.06.07-19:03:06.696 0.894 D-14/day 7.123 D-14/day 7.076 D-14/day 27. HATCREEK AT 0 1983.06.07-19:03:06.696 -233.643 ps 110.992 ps 110.251 ps HATCREEK Atm 1983.06.08-05:03:38.880 Avg: -247.066 ps Rms: 8.311 ps Tot_Rms: 247.206 ps || Nat: 49 Dura: 44860.0 sec Tzd_avg: 7245.3 Tzd_rms: 29.6 Wzd_avg: 464.8 Wzd_rms: 25.4 ps Prs_avg: 89406. Pa Tem_avg: 25.3 C Stm_avg: 4.0 C Stm_rms: 2.1 K Spr_avg: -81. Spr_rms: 98. Pa 88. HATCREEK NG 1983.06.07-19:02:06.696 -0.001 mm 0.423 mm 0.420 mm 89. HATCREEK EG 1983.06.07-19:02:06.696 0.003 mm 0.423 mm 0.420 mm 90. HATCREEK NG 1983.06.08-03:02:06.696 -0.004 mm 0.381 mm 0.379 mm 91. HATCREEK EG 1983.06.08-03:02:06.696 0.016 mm 0.381 mm 0.379 mm 92. HATCREEK NG 1983.06.08-11:02:06.696 -0.001 mm 0.423 mm 0.420 mm 93. HATCREEK EG 1983.06.08-11:02:06.696 0.007 mm 0.423 mm 0.420 mm 94. OVRO_130 7207 NOAM X Comp -2409600878.96 mm 8.042 mm 14.857 mm 14.758 mm 95. OVRO_130 7207 NOAM Y Comp -4478349469.52 mm -5.517 mm 26.191 mm 26.016 mm 96. OVRO_130 7207 NOAM Z Comp 3838603140.46 mm -47.537 mm 21.897 mm 21.751 mm OVRO_130 7207 U Comp -27.93 mm -27.927 mm 34.549 mm 22.385 mm OVRO_130 7207 E Comp 9.70 mm 9.696 mm 10.022 mm 6.493 mm OVRO_130 7207 N Comp -38.48 mm -38.483 mm 9.599 mm 6.219 mm 97. OVRO_130 AT 0 1983.06.07-19:03:06.696 -68.919 ps 87.848 ps 87.262 ps OVRO_130 Atm 1983.06.08-05:03:38.880 Avg: -54.406 ps Rms: 9.100 ps Tot_Rms: 55.162 ps || Nat: 74 Dura: 71288.0 sec Tzd_avg: 6991.4 Tzd_rms: 22.1 Wzd_avg: 359.9 Wzd_rms: 20.5 ps Prs_avg: 87522. Pa Tem_avg: 18.6 C Stm_avg: -2.2 C Stm_rms: 3.7 K Spr_avg: 61. Spr_rms: 74. Pa 158. OVRO_130 NG 1983.06.07-19:02:06.696 0.001 mm 0.423 mm 0.420 mm 159. OVRO_130 EG 1983.06.07-19:02:06.696 0.005 mm 0.423 mm 0.420 mm 160. OVRO_130 NG 1983.06.08-03:02:06.696 0.000 mm 0.381 mm 0.379 mm 161. OVRO_130 EG 1983.06.08-03:02:06.696 -0.017 mm 0.381 mm 0.379 mm 162. OVRO_130 NG 1983.06.08-11:02:06.696 -0.001 mm 0.423 mm 0.420 mm 163. OVRO_130 EG 1983.06.08-11:02:06.696 -0.007 mm 0.423 mm 0.420 mm 164. PLATTVIL 7258 NOAM X Comp -1240708273.37 mm -23.371 mm 17.566 mm 17.449 mm 165. PLATTVIL 7258 NOAM Y Comp -4720454292.27 mm 44.727 mm 32.368 mm 32.152 mm 166. PLATTVIL 7258 NOAM Z Comp 4094481563.70 mm 10.703 mm 36.880 mm 36.633 mm PLATTVIL 7258 U Comp -21.60 mm -21.604 mm 44.207 mm 28.643 mm PLATTVIL 7258 E Comp -33.97 mm -33.973 mm 11.589 mm 7.509 mm PLATTVIL 7258 N Comp 32.25 mm 32.255 mm 25.055 mm 16.234 mm 167. PLATTVIL CL 0 1983.06.07-19:03:06.696 8787.185 ns 0.425 ns 0.422 ns 168. PLATTVIL CL 1 1983.06.07-19:03:06.696 -73.350 D-14 3.210 D-14 3.189 D-14 169. PLATTVIL CL 2 1983.06.07-19:03:06.696 -3.892 D-14/day 4.361 D-14/day 4.332 D-14/day 190. PLATTVIL AT 0 1983.06.07-19:03:06.696 -6.639 ps 88.719 ps 88.127 ps PLATTVIL Atm 1983.06.08-05:03:38.880 Avg: -30.060 ps Rms: 15.693 ps Tot_Rms: 33.910 ps || Nat: 67 Dura: 71288.0 sec Tzd_avg: 6710.4 Tzd_rms: 27.9 Wzd_avg: 288.5 Wzd_rms: 30.0 ps Prs_avg: 84496. Pa Tem_avg: 5.2 C Stm_avg: -11.3 C Stm_rms: 2.0 K Spr_avg: -158. Spr_rms: 37. Pa 251. PLATTVIL NG 1983.06.07-19:02:06.696 0.000 mm 0.423 mm 0.420 mm 252. PLATTVIL EG 1983.06.07-19:02:06.696 -0.008 mm 0.423 mm 0.420 mm 253. PLATTVIL NG 1983.06.08-03:02:06.696 0.003 mm 0.381 mm 0.379 mm 254. PLATTVIL EG 1983.06.08-03:02:06.696 0.002 mm 0.381 mm 0.379 mm 255. PLATTVIL NG 1983.06.08-11:02:06.696 0.002 mm 0.423 mm 0.420 mm 256. PLATTVIL EG 1983.06.08-11:02:06.696 -0.001 mm 0.423 mm 0.420 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 6.41 ps/h NRMS 0.13 share 0.97 count 61 2. OVRO_130 Input 50.00 ps/h RMS 8.09 ps/h NRMS 0.16 share 0.95 count 61 3. PLATTVIL Input 50.00 ps/h RMS 6.01 ps/h NRMS 0.12 share 0.95 count 61 Overall RMS 6.90 ps/h NRMS 0.14 share 0.96 count 183 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.57 count 6 2. OVRO_130 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.57 count 6 3. PLATTVIL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.57 count 6 Overall RMS 0.03 mm/d NRMS 0.01 share 0.57 count 18 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 1.68 D-14 NRMS 0.34 share 0.82 count 21 3. PLATTVIL Input 5.00 D-14 RMS 3.33 D-14 NRMS 0.67 share 0.57 count 21 Overall RMS 2.64 D-14 NRMS 0.53 share 0.70 count 42 257. UT1-TAI 1, 1983.06.08-04:57:00.000 -4.6349 ms/d -2232.26 micros/d 2354.83 micros/d 2339.11 micros/d EOP epoch (TDT) MJD: 45493.206622 NUT epoch (TDT) MJD: 45493.090040 258. Nutation DPSI wrt apriori model 1983.06.08-04:57:11.016 -18.296 mas 14399.3 microasec 14303.2 microasec Nutation Dx wrt apriori model 1983.06.08-04:57:11.016 -7.269 mas 5697.4 microasec 5659.4 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.08-04:57:11.016 -15.639 mas 14399.3 microasec 14303.2 microasec 259. Nutation DEPS wrt apriori model 1983.06.08-04:57:11.016 -2.628 mas 8318.8 microasec 8263.3 microasec Nutation Dy wrt apriori model 1983.06.08-04:57:11.016 -2.655 mas 8340.1 microasec 8284.4 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.08-04:57:11.016 -3.131 mas 8318.8 microasec 8263.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.7519 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to OVRO_130 7207 484321517.77 12.96 484321517.77 12.96 47.25 19.20 72.95 66.91 HATCREEK 7218 to PLATTVIL 7258 1416314068.64 17.73 1416314068.64 17.73 -17.12 42.18 64.10 83.13 OVRO_130 7207 to PLATTVIL 7258 1220818756.44 13.42 1220818756.44 13.42 -77.76 35.06 -9.01 65.70 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:12 Correlator type: Unknown Experiment code: pol114 Mark-3 db_name: $83JUN07XP Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830607_b Ver 2 pol114 Matrix Condition Number = 9.516838582406858E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.4 5.2 835.4 0.8 27.5 4.7 WESTFORD MET 17.1 2.3 1002.3 1.5 17.0 1.6 Run 26091-1740 240 Observation Pairs Available Session started on: 2445493.304900 1983.06.07 19:19:03.360 UTC Nominal duration: 88326.720 sec 01 00:32:06.720 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 212 68.466 ps 0.94 1.0954 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 212 Number of potentially good observations with QC 5-9: 212 Number of used observations: 212 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 212 212 68.466 0.94 19830607_b pol114 1983.06.08-07:35:06.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 14 69.816 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 0212+735 J0217+7349 13 13 15 183.320 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 0234+285 J0237+2848 19 19 19 73.975 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 0552+398 J0555+3948 21 21 21 88.384 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 1637+574 J1638+5720 12 12 21 132.353 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 2134+00 J2136+0041 13 13 16 54.712 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 3C273B J1229+0203 16 16 17 45.098 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 3C345 J1642+3948 20 20 21 48.452 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 3C454.3 J2253+1608 13 13 14 37.899 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: 4C39.25 J0927+3902 8 8 14 77.596 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: NRAO150 J0359+5057 15 15 19 85.500 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: OJ287 J0854+2006 13 13 14 42.704 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: OQ208 J1407+2827 22 22 22 85.551 19830607_b pol114 1983.06.08-07:35:06.720 SRC_STAT: VR422201 J2202+4216 13 13 13 47.155 19830607_b pol114 1983.06.08-07:35:06.720 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.08-07:34:34 1. HRAS_085 7216 NOAM X Comp -1324211069.13 mm -52.132 mm 4.393 mm 4.597 mm 2. HRAS_085 7216 NOAM Y Comp -5332023164.52 mm -82.515 mm 16.479 mm 17.247 mm 3. HRAS_085 7216 NOAM Z Comp 3232118424.66 mm 117.656 mm 12.180 mm 12.748 mm HRAS_085 7216 U Comp 139.67 mm 139.672 mm 20.017 mm 18.725 mm HRAS_085 7216 E Comp -30.71 mm -30.706 mm 4.831 mm 4.519 mm HRAS_085 7216 N Comp 54.02 mm 54.020 mm 3.899 mm 3.647 mm 4. HRAS_085 CL 0 1983.06.07-19:18:31.176 -662.794 ns 0.215 ns 0.225 ns 5. HRAS_085 CL 1 1983.06.07-19:18:31.176 -188.505 D-14 2.080 D-14 2.176 D-14 6. HRAS_085 CL 2 1983.06.07-19:18:31.176 5.596 D-14/day 1.753 D-14/day 1.834 D-14/day 32. HRAS_085 AT 0 1983.06.07-19:18:31.176 -62.249 ps 58.388 ps 61.109 ps HRAS_085 Atm 1983.06.08-07:49:03.360 Avg: -129.810 ps Rms: 50.087 ps Tot_Rms: 139.138 ps || Nat: 240 Dura: 88330.0 sec Tzd_avg: 6751.0 Tzd_rms: 89.1 Wzd_avg: 387.4 Wzd_rms: 91.1 ps Prs_avg: 83537. Pa Tem_avg: 19.4 C Stm_avg: -0.9 C Stm_rms: 2.5 K Spr_avg: -315. Spr_rms: 76. Pa 108. HRAS_085 NG 1983.06.07-19:17:31.176 0.004 mm 0.422 mm 0.442 mm 109. HRAS_085 EG 1983.06.07-19:17:31.176 0.020 mm 0.422 mm 0.442 mm 110. HRAS_085 NG 1983.06.08-03:17:31.176 -0.024 mm 0.377 mm 0.394 mm 111. HRAS_085 EG 1983.06.08-03:17:31.176 0.001 mm 0.377 mm 0.394 mm 112. HRAS_085 NG 1983.06.08-11:17:31.176 -0.003 mm 0.377 mm 0.394 mm 113. HRAS_085 EG 1983.06.08-11:17:31.176 0.004 mm 0.377 mm 0.394 mm 114. HRAS_085 NG 1983.06.08-19:17:31.176 -0.005 mm 0.422 mm 0.442 mm 115. HRAS_085 EG 1983.06.08-19:17:31.176 0.000 mm 0.422 mm 0.442 mm 116. WESTFORD 7209 NOAM X Comp 1492206595.13 mm 52.132 mm 4.393 mm 4.597 mm 117. WESTFORD 7209 NOAM Y Comp -4458130439.48 mm 82.515 mm 16.479 mm 17.247 mm 118. WESTFORD 7209 NOAM Z Comp 4296015429.34 mm -117.656 mm 12.180 mm 12.748 mm WESTFORD 7209 U Comp -125.07 mm -125.067 mm 19.253 mm 18.010 mm WESTFORD 7209 E Comp 75.63 mm 75.627 mm 7.640 mm 7.147 mm WESTFORD 7209 N Comp -44.81 mm -44.814 mm 3.187 mm 2.981 mm 119. WESTFORD AT 0 1983.06.07-19:18:31.176 -84.751 ps 59.551 ps 62.327 ps WESTFORD Atm 1983.06.08-07:49:03.360 Avg: 4.265 ps Rms: 30.320 ps Tot_Rms: 30.619 ps || Nat: 240 Dura: 88330.0 sec Tzd_avg: 7921.1 Tzd_rms: 61.6 Wzd_avg: 379.8 Wzd_rms: 65.6 ps Prs_avg: 100231. Pa Tem_avg: 17.1 C Stm_avg: 0.9 C Stm_rms: 1.3 K Spr_avg: 743. Spr_rms: 62. Pa 195. WESTFORD NG 1983.06.07-19:17:31.176 -0.007 mm 0.422 mm 0.442 mm 196. WESTFORD EG 1983.06.07-19:17:31.176 -0.006 mm 0.422 mm 0.442 mm 197. WESTFORD NG 1983.06.08-03:17:31.176 0.007 mm 0.377 mm 0.394 mm 198. WESTFORD EG 1983.06.08-03:17:31.176 0.015 mm 0.377 mm 0.394 mm 199. WESTFORD NG 1983.06.08-11:17:31.176 -0.007 mm 0.377 mm 0.394 mm 200. WESTFORD EG 1983.06.08-11:17:31.176 -0.003 mm 0.377 mm 0.394 mm 201. WESTFORD NG 1983.06.08-19:17:31.176 -0.003 mm 0.422 mm 0.441 mm 202. WESTFORD EG 1983.06.08-19:17:31.176 0.014 mm 0.422 mm 0.442 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.47 ps/h NRMS 0.27 share 0.90 count 76 2. WESTFORD Input 50.00 ps/h RMS 16.12 ps/h NRMS 0.32 share 0.86 count 76 Overall RMS 14.86 ps/h NRMS 0.30 share 0.88 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.26 D-14 NRMS 0.45 share 0.24 count 26 Overall RMS 2.26 D-14 NRMS 0.45 share 0.24 count 26 EOP epoch (TDT) MJD: 45493.316345 General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1670 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928036.02 9.61 3134928036.02 9.61 124.62 5.38 272.71 40.44 NNT_POS: 4 stations participated in NNT_POS constraints: HATCREEK HRAS_085 PLATTVIL WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:15 Correlator type: Unknown Experiment code: jpl83e Mark-3 db_name: $83JUN09X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830609_a Ver 2 jpl83e Matrix Condition Number = 2.982143204492717E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | HRAS_085: GION | | PLATTVIL: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for PLATTVIL is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET 20.4 4.5 896.8 0.6 22.8 7.2 HRAS_085 MET 22.5 4.6 834.1 1.2 23.4 8.0 PLATTVIL MET -999.0 0.0 -999.0 0.0-99900.0 0.0 WESTFORD MET 14.2 2.3 1018.8 0.7 16.1 1.3 Run 26091-1740 563 Observation Pairs Available Session started on: 2445495.339600 1983.06.09 20:09:01.440 UTC Nominal duration: 87013.440 sec 01 00:10:13.440 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 289 34.539 ps 0.80 0.9843 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 345 Number of potentially good observations with QC 5-9: 345 Number of used observations: 289 ( 83.77%) Number of suppressed observations: 56 ( 16.23%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK HRAS_085 74 76 21.571 0.73 19830609_a jpl83e 1983.06.10-08:14:08.1 BAS_STAT HATCREEK PLATTVIL 26 35 31.055 0.74 19830609_a jpl83e 1983.06.10-08:14:08.1 BAS_STAT HATCREEK WESTFORD 42 78 72.917 0.89 19830609_a jpl83e 1983.06.10-08:14:08.1 BAS_STAT HRAS_085 PLATTVIL 43 44 63.942 0.87 19830609_a jpl83e 1983.06.10-08:14:08.1 BAS_STAT HRAS_085 WESTFORD 81 89 38.303 0.80 19830609_a jpl83e 1983.06.10-08:14:08.1 BAS_STAT PLATTVIL WESTFORD 23 23 46.820 0.73 19830609_a jpl83e 1983.06.10-08:14:08.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 1 7 22 56.724 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 0552+398 J0555+3948 16 17 27 43.204 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 0727-115 J0730-1141 8 14 25 23.774 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 1921-293 J1924-2914 5 5 17 9.559 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 2134+00 J2136+0041 16 17 42 25.094 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 3C120 J0433+0521 5 6 14 81.262 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 3C273B J1229+0203 42 50 63 26.845 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 3C279 J1256-0547 14 19 28 56.837 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 3C345 J1642+3948 39 49 66 26.599 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 3C418 J2038+5119 30 30 43 47.384 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 3C454.3 J2253+1608 31 33 45 32.172 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 3C84 J0319+4130 25 34 52 37.100 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: 4C39.25 J0927+3902 27 30 53 45.012 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: NRAO150 J0359+5057 14 16 36 33.724 19830609_a jpl83e 1983.06.10-08:14:08.160 SRC_STAT: NRAO530 J1733-1304 16 18 30 30.190 19830609_a jpl83e 1983.06.10-08:14:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.10-08:13:35 1. HATCREEK 7218 NOAM X Comp -2523970047.41 mm 56.587 mm 7.706 mm 7.645 mm 2. HATCREEK 7218 NOAM Y Comp -4123506363.04 mm -59.038 mm 19.204 mm 19.052 mm 3. HATCREEK 7218 NOAM Z Comp 4147752554.80 mm 17.803 mm 15.574 mm 15.451 mm HATCREEK 7218 U Comp 27.39 mm 27.387 mm 24.413 mm 19.441 mm HATCREEK 7218 E Comp 79.09 mm 79.085 mm 7.109 mm 5.661 mm HATCREEK 7218 N Comp -0.13 mm -0.131 mm 4.918 mm 3.916 mm 4. HATCREEK CL 0 1983.06.09-20:08:29.256 20968.277 ns 0.309 ns 0.307 ns 5. HATCREEK CL 1 1983.06.09-20:08:29.256 76.680 D-14 2.238 D-14 2.220 D-14 6. HATCREEK CL 2 1983.06.09-20:08:29.256 -0.130 D-14/day 2.001 D-14/day 1.985 D-14/day 32. HATCREEK AT 0 1983.06.09-20:08:29.256 -192.266 ps 59.737 ps 59.266 ps HATCREEK Atm 1983.06.10-08:39:01.440 Avg: -158.361 ps Rms: 38.051 ps Tot_Rms: 162.868 ps || Nat: 104 Dura: 84932.0 sec Tzd_avg: 7289.3 Tzd_rms: 29.5 Wzd_avg: 486.7 Wzd_rms: 33.9 ps Prs_avg: 89682. Pa Tem_avg: 20.4 C Stm_avg: 3.0 C Stm_rms: 1.9 K Spr_avg: -105. Spr_rms: 28. Pa 108. HATCREEK NG 1983.06.09-20:07:29.256 0.017 mm 0.422 mm 0.419 mm 109. HATCREEK EG 1983.06.09-20:07:29.256 -0.007 mm 0.422 mm 0.418 mm 110. HATCREEK NG 1983.06.10-04:07:29.256 0.016 mm 0.377 mm 0.374 mm 111. HATCREEK EG 1983.06.10-04:07:29.256 0.025 mm 0.377 mm 0.374 mm 112. HATCREEK NG 1983.06.10-12:07:29.256 -0.058 mm 0.376 mm 0.373 mm 113. HATCREEK EG 1983.06.10-12:07:29.256 0.012 mm 0.377 mm 0.374 mm 114. HATCREEK NG 1983.06.10-20:07:29.256 -0.024 mm 0.422 mm 0.419 mm 115. HATCREEK EG 1983.06.10-20:07:29.256 -0.006 mm 0.422 mm 0.418 mm 116. HRAS_085 7216 NOAM X Comp -1324211082.96 mm -65.958 mm 8.253 mm 8.187 mm 117. HRAS_085 7216 NOAM Y Comp -5332023103.96 mm -21.961 mm 31.316 mm 31.069 mm 118. HRAS_085 7216 NOAM Z Comp 3232118347.62 mm 40.619 mm 19.396 mm 19.243 mm HRAS_085 7216 U Comp 52.72 mm 52.717 mm 37.297 mm 29.700 mm HRAS_085 7216 E Comp -58.72 mm -58.720 mm 3.201 mm 2.549 mm HRAS_085 7216 N Comp 15.99 mm 15.987 mm 4.871 mm 3.879 mm 119. HRAS_085 AT 0 1983.06.09-20:08:29.256 -143.307 ps 122.240 ps 121.275 ps HRAS_085 Atm 1983.06.10-08:39:01.440 Avg: -129.435 ps Rms: 33.400 ps Tot_Rms: 133.674 ps || Nat: 104 Dura: 84510.0 sec Tzd_avg: 6791.7 Tzd_rms: 68.0 Wzd_avg: 442.4 Wzd_rms: 74.8 ps Prs_avg: 83410. Pa Tem_avg: 22.8 C Stm_avg: -0.4 C Stm_rms: 1.2 K Spr_avg: -281. Spr_rms: 55. Pa 195. HRAS_085 NG 1983.06.09-20:07:29.256 -0.043 mm 0.422 mm 0.418 mm 196. HRAS_085 EG 1983.06.09-20:07:29.256 0.022 mm 0.422 mm 0.419 mm 197. HRAS_085 NG 1983.06.10-04:07:29.256 -0.034 mm 0.376 mm 0.373 mm 198. HRAS_085 EG 1983.06.10-04:07:29.256 -0.019 mm 0.376 mm 0.374 mm 199. HRAS_085 NG 1983.06.10-12:07:29.256 0.052 mm 0.376 mm 0.373 mm 200. HRAS_085 EG 1983.06.10-12:07:29.256 0.006 mm 0.377 mm 0.374 mm 201. HRAS_085 NG 1983.06.10-20:07:29.256 0.030 mm 0.422 mm 0.419 mm 202. HRAS_085 EG 1983.06.10-20:07:29.256 0.008 mm 0.422 mm 0.418 mm 203. PLATTVIL 7258 NOAM X Comp -1240708254.20 mm -4.198 mm 10.581 mm 10.498 mm 204. PLATTVIL 7258 NOAM Y Comp -4720454327.77 mm 9.231 mm 33.030 mm 32.769 mm 205. PLATTVIL 7258 NOAM Z Comp 4094481591.64 mm 38.645 mm 28.337 mm 28.114 mm PLATTVIL 7258 U Comp 18.93 mm 18.929 mm 43.059 mm 34.289 mm PLATTVIL 7258 E Comp -6.41 mm -6.406 mm 6.315 mm 5.029 mm PLATTVIL 7258 N Comp 34.60 mm 34.596 mm 10.581 mm 8.426 mm 206. PLATTVIL CL 0 1983.06.09-20:08:29.256 3676.791 ns 0.465 ns 0.462 ns 207. PLATTVIL CL 1 1983.06.09-20:08:29.256 107.160 D-14 2.478 D-14 2.458 D-14 208. PLATTVIL CL 2 1983.06.09-20:08:29.256 2.627 D-14/day 2.158 D-14/day 2.141 D-14/day 234. PLATTVIL AT 0 1983.06.09-20:08:29.256 -107.704 ps 132.619 ps 131.572 ps PLATTVIL Atm 1983.06.10-08:39:01.440 Avg: -82.898 ps Rms: 33.300 ps Tot_Rms: 89.336 ps || Nat: 103 Dura: 84932.0 sec Tzd_avg: 6808.7 Tzd_rms: 25.2 Wzd_avg: 404.4 Wzd_rms: 31.7 ps Prs_avg: 84495. Pa Tem_avg: 5.2 C Stm_avg: -15.5 C Stm_rms: 3.3 K Spr_avg: 22. Spr_rms: 105. Pa 310. PLATTVIL NG 1983.06.09-20:07:29.256 -0.003 mm 0.422 mm 0.419 mm 311. PLATTVIL EG 1983.06.09-20:07:29.256 0.001 mm 0.422 mm 0.419 mm 312. PLATTVIL NG 1983.06.10-04:07:29.256 -0.005 mm 0.377 mm 0.374 mm 313. PLATTVIL EG 1983.06.10-04:07:29.256 -0.001 mm 0.377 mm 0.374 mm 314. PLATTVIL NG 1983.06.10-12:07:29.256 0.009 mm 0.377 mm 0.374 mm 315. PLATTVIL EG 1983.06.10-12:07:29.256 -0.012 mm 0.377 mm 0.374 mm 316. PLATTVIL NG 1983.06.10-20:07:29.256 0.009 mm 0.422 mm 0.419 mm 317. PLATTVIL EG 1983.06.10-20:07:29.256 -0.021 mm 0.422 mm 0.419 mm 318. WESTFORD 7209 NOAM X Comp 1492206556.57 mm 13.568 mm 7.246 mm 7.189 mm 319. WESTFORD 7209 NOAM Y Comp -4458130450.23 mm 71.768 mm 23.094 mm 22.912 mm 320. WESTFORD 7209 NOAM Z Comp 4296015449.93 mm -97.067 mm 17.644 mm 17.505 mm WESTFORD 7209 U Comp -112.64 mm -112.635 mm 26.742 mm 21.295 mm WESTFORD 7209 E Comp 35.65 mm 35.646 mm 12.028 mm 9.578 mm WESTFORD 7209 N Comp -28.27 mm -28.274 mm 6.113 mm 4.868 mm 321. WESTFORD CL 0 1983.06.09-20:08:29.256 1077.565 ns 0.341 ns 0.339 ns 322. WESTFORD CL 1 1983.06.09-20:08:29.256 195.812 D-14 2.243 D-14 2.226 D-14 323. WESTFORD CL 2 1983.06.09-20:08:29.256 -7.129 D-14/day 1.946 D-14/day 1.931 D-14/day 349. WESTFORD AT 0 1983.06.09-20:08:29.256 -2.126 ps 52.381 ps 51.967 ps WESTFORD Atm 1983.06.10-08:39:01.440 Avg: -37.205 ps Rms: 27.155 ps Tot_Rms: 46.061 ps || Nat: 109 Dura: 87010.0 sec Tzd_avg: 7871.7 Tzd_rms: 17.6 Wzd_avg: 196.7 Wzd_rms: 22.3 ps Prs_avg: 101875. Pa Tem_avg: 14.3 C Stm_avg: -0.7 C Stm_rms: 1.6 K Spr_avg: 709. Spr_rms: 48. Pa 425. WESTFORD NG 1983.06.09-20:07:29.256 0.002 mm 0.422 mm 0.419 mm 426. WESTFORD EG 1983.06.09-20:07:29.256 -0.003 mm 0.422 mm 0.419 mm 427. WESTFORD NG 1983.06.10-04:07:29.256 -0.002 mm 0.377 mm 0.374 mm 428. WESTFORD EG 1983.06.10-04:07:29.256 0.018 mm 0.377 mm 0.374 mm 429. WESTFORD NG 1983.06.10-12:07:29.256 -0.023 mm 0.377 mm 0.374 mm 430. WESTFORD EG 1983.06.10-12:07:29.256 0.015 mm 0.377 mm 0.374 mm 431. WESTFORD NG 1983.06.10-20:07:29.256 -0.022 mm 0.422 mm 0.419 mm 432. WESTFORD EG 1983.06.10-20:07:29.256 0.027 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 17.97 ps/h NRMS 0.36 share 0.87 count 76 2. HRAS_085 Input 50.00 ps/h RMS 17.88 ps/h NRMS 0.36 share 0.88 count 76 3. PLATTVIL Input 50.00 ps/h RMS 8.89 ps/h NRMS 0.18 share 0.96 count 76 4. WESTFORD Input 50.00 ps/h RMS 15.28 ps/h NRMS 0.31 share 0.85 count 76 Overall RMS 15.45 ps/h NRMS 0.31 share 0.89 count 304 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.54 count 8 3. PLATTVIL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 2.44 D-14 NRMS 0.49 share 0.30 count 26 3. PLATTVIL Input 5.00 D-14 RMS 2.86 D-14 NRMS 0.57 share 0.44 count 26 4. WESTFORD Input 5.00 D-14 RMS 3.32 D-14 NRMS 0.66 share 0.30 count 26 Overall RMS 2.90 D-14 NRMS 0.58 share 0.35 count 78 433. UT1-TAI 1, 1983.06.10-08:14:00.000 -2.1114 ms/d 12.60 micros/d 215.93 micros/d 214.23 micros/d EOP epoch (TDT) MJD: 45495.343428 NUT epoch (TDT) MJD: 45495.326908 434. Nutation DPSI wrt apriori model 1983.06.10-08:13:35.976 -1.514 mas 1380.8 microasec 1369.9 microasec Nutation Dx wrt apriori model 1983.06.10-08:13:35.976 -0.598 mas 546.9 microasec 542.6 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.10-08:13:35.976 0.770 mas 1380.8 microasec 1369.9 microasec 435. Nutation DEPS wrt apriori model 1983.06.10-08:13:35.976 -1.039 mas 647.0 microasec 641.9 microasec Nutation Dy wrt apriori model 1983.06.10-08:13:35.976 -1.041 mas 649.0 microasec 643.9 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.10-08:13:35.976 -1.537 mas 647.0 microasec 641.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0882 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.10 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to HRAS_085 7216 1933473632.42 10.39 1933473632.42 10.39 65.34 3.25 -23.21 49.04 HATCREEK 7218 to PLATTVIL 7258 1416314053.46 11.01 1416314053.46 11.01 -37.03 13.46 16.00 58.97 HATCREEK 7218 to WESTFORD 7209 4032819073.57 10.38 4032819073.57 10.38 -8.01 8.49 169.52 34.62 HRAS_085 7216 to PLATTVIL 7258 1060499625.21 15.63 1060499625.21 15.63 53.65 7.33 38.23 69.33 HRAS_085 7216 to WESTFORD 7209 3134928027.05 14.38 3134928027.05 14.38 82.58 6.04 157.04 53.18 PLATTVIL 7258 to WESTFORD 7209 2752862705.56 15.61 2752862705.56 15.61 60.00 15.28 137.32 60.51 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:18 Correlator type: Unknown Experiment code: pol115 Mark-3 db_name: $83JUN13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830613_a Ver 2 pol115 Matrix Condition Number = 1.774241428572739E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.8 6.1 836.3 2.5 14.7 10.0 ONSALA60 MET 13.5 3.3 1017.1 2.1 32.1 4.6 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 22.4 4.6 1012.1 1.6 15.5 4.9 Run 26091-1740 492 Observation Pairs Available Session started on: 2445499.249300 1983.06.13 17:58:59.520 UTC Nominal duration: 87903.360 sec 01 00:25:03.360 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 159 62.046 ps 0.79 0.9962 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 167 Number of potentially good observations with QC 5-9: 167 Number of used observations: 159 ( 95.21%) Number of suppressed observations: 8 ( 4.79%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 18 18 38.573 0.60 19830613_a pol115 1983.06.14-06:11:31.2 BAS_STAT HRAS_085 WESTFORD 94 99 60.401 0.82 19830613_a pol115 1983.06.14-06:11:31.2 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 47 50 84.743 0.79 19830613_a pol115 1983.06.14-06:11:31.2 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19830613_a pol115 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830613_a pol115 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 14 23 75.254 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 0212+735 J0217+7349 21 21 54 86.105 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 0234+285 J0237+2848 17 17 31 35.498 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 0552+398 J0555+3948 9 9 35 39.649 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 1637+574 J1638+5720 9 9 50 114.391 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 2134+00 J2136+0041 9 11 23 67.981 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 3C273B J1229+0203 9 9 19 47.468 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 3C345 J1642+3948 13 13 32 77.281 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 3C454.3 J2253+1608 10 10 26 65.078 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: 4C39.25 J0927+3902 5 6 44 38.261 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: NRAO150 J0359+5057 11 11 48 57.867 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: OJ287 J0854+2006 10 12 29 36.582 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: OQ208 J1407+2827 8 9 26 110.689 19830613_a pol115 1983.06.14-06:11:31.200 SRC_STAT: VR422201 J2202+4216 14 16 52 66.057 19830613_a pol115 1983.06.14-06:11:31.200 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.14-06:10:59 1. HRAS_085 7216 NOAM X Comp -1324211036.78 mm -19.778 mm 19.112 mm 19.076 mm 2. HRAS_085 7216 NOAM Y Comp -5332023063.84 mm 18.165 mm 52.780 mm 52.681 mm 3. HRAS_085 7216 NOAM Z Comp 3232118471.69 mm 164.692 mm 37.808 mm 37.737 mm HRAS_085 7216 U Comp 72.86 mm 72.859 mm 63.812 mm 50.440 mm HRAS_085 7216 E Comp -23.57 mm -23.573 mm 13.443 mm 10.626 mm HRAS_085 7216 N Comp 148.26 mm 148.258 mm 18.107 mm 14.312 mm 4. HRAS_085 CL 0 1983.06.13-17:58:27.336 -1720.251 ns 0.507 ns 0.507 ns 5. HRAS_085 CL 1 1983.06.13-17:58:27.336 -200.865 D-14 2.102 D-14 2.098 D-14 6. HRAS_085 CL 2 1983.06.13-17:58:27.336 0.546 D-14/day 1.806 D-14/day 1.803 D-14/day 32. HRAS_085 AT 0 1983.06.13-17:58:27.336 16.184 ps 184.835 ps 184.487 ps HRAS_085 Atm 1983.06.14-06:28:59.520 Avg: 5.096 ps Rms: 22.653 ps Tot_Rms: 23.219 ps || Nat: 124 Dura: 87900.0 sec Tzd_avg: 6657.3 Tzd_rms: 60.6 Wzd_avg: 290.9 Wzd_rms: 47.8 ps Prs_avg: 83639. Pa Tem_avg: 19.7 C Stm_avg: -3.1 C Stm_rms: 2.1 K Spr_avg: -207. Spr_rms: 105. Pa 108. HRAS_085 NG 1983.06.13-17:57:27.336 -0.005 mm 0.422 mm 0.422 mm 109. HRAS_085 EG 1983.06.13-17:57:27.336 0.011 mm 0.422 mm 0.421 mm 110. HRAS_085 NG 1983.06.14-01:57:27.336 0.002 mm 0.377 mm 0.376 mm 111. HRAS_085 EG 1983.06.14-01:57:27.336 0.006 mm 0.377 mm 0.376 mm 112. HRAS_085 NG 1983.06.14-09:57:27.336 -0.018 mm 0.377 mm 0.376 mm 113. HRAS_085 EG 1983.06.14-09:57:27.336 -0.022 mm 0.377 mm 0.376 mm 114. HRAS_085 NG 1983.06.14-17:57:27.336 -0.019 mm 0.422 mm 0.421 mm 115. HRAS_085 EG 1983.06.14-17:57:27.336 0.000 mm 0.422 mm 0.421 mm 116. ONSALA60 7213 EURA X Comp 3370605938.38 mm -50.617 mm 27.684 mm 27.632 mm 117. ONSALA60 7213 EURA Y Comp 711917383.57 mm -145.433 mm 28.789 mm 28.734 mm 118. ONSALA60 7213 EURA Z Comp 5349830594.20 mm -171.800 mm 41.258 mm 41.180 mm ONSALA60 7213 U Comp -187.61 mm -187.607 mm 45.608 mm 36.050 mm ONSALA60 7213 E Comp -131.83 mm -131.833 mm 27.953 mm 22.095 mm ONSALA60 7213 N Comp -25.53 mm -25.533 mm 20.880 mm 16.504 mm 119. ONSALA60 CL 0 1983.06.13-17:58:27.336 7790.506 ns 0.320 ns 0.319 ns 120. ONSALA60 CL 1 1983.06.13-17:58:27.336 -29.240 D-14 2.284 D-14 2.280 D-14 121. ONSALA60 CL 2 1983.06.13-17:58:27.336 4.456 D-14/day 2.078 D-14/day 2.074 D-14/day 147. ONSALA60 AT 0 1983.06.13-17:58:27.336 26.531 ps 74.587 ps 74.446 ps ONSALA60 Atm 1983.06.14-06:28:59.520 Avg: 45.302 ps Rms: 11.366 ps Tot_Rms: 46.707 ps || Nat: 128 Dura: 84610.0 sec Tzd_avg: 8043.0 Tzd_rms: 44.0 Wzd_avg: 358.4 Wzd_rms: 49.2 ps Prs_avg: 101710. Pa Tem_avg: 13.4 C Stm_avg: -0.9 C Stm_rms: 1.4 K Spr_avg: 211. Spr_rms: 25. Pa 223. ONSALA60 NG 1983.06.13-17:57:27.336 -0.000 mm 0.422 mm 0.422 mm 224. ONSALA60 EG 1983.06.13-17:57:27.336 -0.005 mm 0.422 mm 0.422 mm 225. ONSALA60 NG 1983.06.14-01:57:27.336 0.006 mm 0.377 mm 0.376 mm 226. ONSALA60 EG 1983.06.14-01:57:27.336 -0.001 mm 0.377 mm 0.376 mm 227. ONSALA60 NG 1983.06.14-09:57:27.336 0.004 mm 0.377 mm 0.376 mm 228. ONSALA60 EG 1983.06.14-09:57:27.336 0.006 mm 0.377 mm 0.376 mm 229. ONSALA60 NG 1983.06.14-17:57:27.336 -0.003 mm 0.422 mm 0.422 mm 230. ONSALA60 EG 1983.06.14-17:57:27.336 0.008 mm 0.422 mm 0.422 mm 231. WESTFORD 7209 NOAM X Comp 1492206613.40 mm 70.396 mm 15.579 mm 15.549 mm 232. WESTFORD 7209 NOAM Y Comp -4458130394.73 mm 127.268 mm 30.445 mm 30.388 mm 233. WESTFORD 7209 NOAM Z Comp 4296015554.11 mm 7.108 mm 28.701 mm 28.647 mm WESTFORD 7209 U Comp -67.56 mm -67.562 mm 38.768 mm 30.644 mm WESTFORD 7209 E Comp 107.15 mm 107.151 mm 18.936 mm 14.968 mm WESTFORD 7209 N Comp 71.81 mm 71.813 mm 11.483 mm 9.076 mm 234. WESTFORD AT 0 1983.06.13-17:58:27.336 -54.445 ps 54.611 ps 54.508 ps WESTFORD Atm 1983.06.14-06:28:59.520 Avg: -41.309 ps Rms: 24.733 ps Tot_Rms: 48.147 ps || Nat: 187 Dura: 87900.0 sec Tzd_avg: 8387.5 Tzd_rms: 46.4 Wzd_avg: 781.5 Wzd_rms: 50.9 ps Prs_avg: 101211. Pa Tem_avg: 22.3 C Stm_avg: 0.6 C Stm_rms: 0.9 K Spr_avg: 684. Spr_rms: 55. Pa 310. WESTFORD NG 1983.06.13-17:57:27.336 -0.000 mm 0.422 mm 0.421 mm 311. WESTFORD EG 1983.06.13-17:57:27.336 -0.019 mm 0.422 mm 0.421 mm 312. WESTFORD NG 1983.06.14-01:57:27.336 -0.011 mm 0.377 mm 0.376 mm 313. WESTFORD EG 1983.06.14-01:57:27.336 -0.008 mm 0.377 mm 0.376 mm 314. WESTFORD NG 1983.06.14-09:57:27.336 -0.001 mm 0.377 mm 0.376 mm 315. WESTFORD EG 1983.06.14-09:57:27.336 0.017 mm 0.377 mm 0.376 mm 316. WESTFORD NG 1983.06.14-17:57:27.336 0.009 mm 0.422 mm 0.421 mm 317. WESTFORD EG 1983.06.14-17:57:27.336 -0.026 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.60 ps/h NRMS 0.21 share 0.94 count 76 2. ONSALA60 Input 50.00 ps/h RMS 8.18 ps/h NRMS 0.16 share 0.94 count 76 4. WESTFORD Input 50.00 ps/h RMS 13.29 ps/h NRMS 0.27 share 0.88 count 76 Overall RMS 10.89 ps/h NRMS 0.22 share 0.92 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.81 D-14 NRMS 0.56 share 0.36 count 26 2. ONSALA60 Input 5.00 D-14 RMS 2.76 D-14 NRMS 0.55 share 0.54 count 26 Overall RMS 2.78 D-14 NRMS 0.56 share 0.45 count 52 318. UT1-TAI 1, 1983.06.14-06:11:00.000 -1.9411 ms/d 86.09 micros/d 119.15 micros/d 118.93 micros/d EOP epoch (TDT) MJD: 45499.258011 NUT epoch (TDT) MJD: 45499.321592 319. Nutation DPSI wrt apriori model 1983.06.14-06:10:59.016 -0.773 mas 1785.1 microasec 1781.8 microasec Nutation Dx wrt apriori model 1983.06.14-06:10:59.016 -0.309 mas 707.0 microasec 705.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.14-06:10:59.016 1.624 mas 1785.1 microasec 1781.8 microasec 320. Nutation DEPS wrt apriori model 1983.06.14-06:10:59.016 0.302 mas 851.2 microasec 849.6 microasec Nutation Dy wrt apriori model 1983.06.14-06:10:59.016 0.301 mas 853.8 microasec 852.2 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.14-06:10:59.016 -0.614 mas 851.2 microasec 849.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1603 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732157.42 69.92 7940732157.42 69.92 195.26 15.38 220.82 92.94 HRAS_085 7216 to WESTFORD 7209 3134928034.15 24.19 3134928034.15 24.19 93.16 8.59 181.20 95.87 ONSALA60 7213 to WESTFORD 7209 5600741396.70 27.79 5600741396.70 27.79 43.54 13.10 -113.40 71.11 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:21 Correlator type: Unknown Experiment code: pol116 Mark-3 db_name: $83JUN20X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830620_a Ver 2 pol116 Matrix Condition Number = 2.049373205693867E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 21.7 5.6 836.0 0.9 21.3 0.3 WESTFORD MET 22.0 3.0 1014.1 2.0 17.3 0.1 Run 26091-1740 242 Observation Pairs Available Session started on: 2445506.230600 1983.06.20 17:32:03.840 UTC Nominal duration: 91687.680 sec 01 01:28:07.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 125 55.282 ps 0.84 0.9786 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 126 Number of potentially good observations with QC 5-9: 126 Number of used observations: 125 ( 99.21%) Number of suppressed observations: 1 ( 0.79%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 125 126 55.282 0.84 19830620_a pol116 1983.06.21-06:16:07.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 6 6 14 75.344 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 0212+735 J0217+7349 7 7 16 114.860 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 0234+285 J0237+2848 15 15 20 57.046 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 0552+398 J0555+3948 16 16 22 62.719 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 1637+574 J1638+5720 4 4 21 96.052 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 2134+00 J2136+0041 2 2 14 8.682 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 3C273B J1229+0203 13 14 15 31.663 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 3C345 J1642+3948 8 8 21 34.887 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 3C454.3 J2253+1608 3 3 14 24.379 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: 4C39.25 J0927+3902 5 5 16 71.519 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: NRAO150 J0359+5057 17 17 20 80.924 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: OJ287 J0854+2006 13 13 16 35.422 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: OQ208 J1407+2827 13 13 20 98.383 19830620_a pol116 1983.06.21-06:16:07.680 SRC_STAT: VR422201 J2202+4216 3 3 13 114.699 19830620_a pol116 1983.06.21-06:16:07.680 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.21-06:15:35 1. HRAS_085 7216 NOAM X Comp -1324211057.58 mm -40.583 mm 6.655 mm 6.583 mm 2. HRAS_085 7216 NOAM Y Comp -5332023112.83 mm -30.833 mm 23.533 mm 23.280 mm 3. HRAS_085 7216 NOAM Z Comp 3232118374.59 mm 67.592 mm 18.914 mm 18.710 mm HRAS_085 7216 U Comp 68.61 mm 68.608 mm 29.061 mm 24.365 mm HRAS_085 7216 E Comp -31.96 mm -31.955 mm 7.258 mm 6.085 mm HRAS_085 7216 N Comp 37.92 mm 37.923 mm 7.656 mm 6.419 mm 4. HRAS_085 CL 0 1983.06.20-17:31:31.656 -2929.947 ns 0.295 ns 0.292 ns 5. HRAS_085 CL 1 1983.06.20-17:31:31.656 -232.196 D-14 2.141 D-14 2.118 D-14 6. HRAS_085 CL 2 1983.06.20-17:31:31.656 2.357 D-14/day 1.747 D-14/day 1.728 D-14/day 33. HRAS_085 AT 0 1983.06.20-17:31:31.656 42.114 ps 75.201 ps 74.391 ps HRAS_085 Atm 1983.06.21-06:32:03.840 Avg: 118.670 ps Rms: 55.769 ps Tot_Rms: 131.121 ps || Nat: 242 Dura: 91690.0 sec Tzd_avg: 6750.3 Tzd_rms: 31.0 Wzd_avg: 387.8 Wzd_rms: 37.9 ps Prs_avg: 83604. Pa Tem_avg: 21.7 C Stm_avg: -3.2 C Stm_rms: 3.0 K Spr_avg: -236. Spr_rms: 81. Pa 112. HRAS_085 NG 1983.06.20-17:30:31.656 -0.002 mm 0.422 mm 0.418 mm 113. HRAS_085 EG 1983.06.20-17:30:31.656 0.008 mm 0.422 mm 0.418 mm 114. HRAS_085 NG 1983.06.21-01:30:31.656 -0.005 mm 0.377 mm 0.373 mm 115. HRAS_085 EG 1983.06.21-01:30:31.656 0.006 mm 0.377 mm 0.373 mm 116. HRAS_085 NG 1983.06.21-09:30:31.656 -0.001 mm 0.377 mm 0.373 mm 117. HRAS_085 EG 1983.06.21-09:30:31.656 0.005 mm 0.377 mm 0.373 mm 118. HRAS_085 NG 1983.06.21-17:30:31.656 -0.003 mm 0.422 mm 0.418 mm 119. HRAS_085 EG 1983.06.21-17:30:31.656 -0.011 mm 0.422 mm 0.418 mm 120. WESTFORD 7209 NOAM X Comp 1492206583.58 mm 40.583 mm 6.655 mm 6.583 mm 121. WESTFORD 7209 NOAM Y Comp -4458130491.17 mm 30.833 mm 23.533 mm 23.280 mm 122. WESTFORD 7209 NOAM Z Comp 4296015479.41 mm -67.592 mm 18.914 mm 18.710 mm WESTFORD 7209 U Comp -57.80 mm -57.801 mm 28.043 mm 23.511 mm WESTFORD 7209 E Comp 48.27 mm 48.271 mm 11.087 mm 9.295 mm WESTFORD 7209 N Comp -38.67 mm -38.669 mm 6.821 mm 5.719 mm 123. WESTFORD AT 0 1983.06.20-17:31:31.656 -92.313 ps 75.901 ps 75.084 ps WESTFORD Atm 1983.06.21-06:32:03.840 Avg: -54.436 ps Rms: 23.060 ps Tot_Rms: 59.119 ps || Nat: 242 Dura: 91690.0 sec Tzd_avg: 8110.3 Tzd_rms: 22.8 Wzd_avg: 480.0 Wzd_rms: 28.8 ps Prs_avg: 101413. Pa Tem_avg: 22.1 C Stm_avg: -2.1 C Stm_rms: 1.1 K Spr_avg: 704. Spr_rms: 55. Pa 202. WESTFORD NG 1983.06.20-17:30:31.656 -0.001 mm 0.422 mm 0.418 mm 203. WESTFORD EG 1983.06.20-17:30:31.656 -0.007 mm 0.422 mm 0.418 mm 204. WESTFORD NG 1983.06.21-01:30:31.656 0.005 mm 0.377 mm 0.373 mm 205. WESTFORD EG 1983.06.21-01:30:31.656 -0.001 mm 0.377 mm 0.373 mm 206. WESTFORD NG 1983.06.21-09:30:31.656 0.004 mm 0.377 mm 0.373 mm 207. WESTFORD EG 1983.06.21-09:30:31.656 0.001 mm 0.377 mm 0.373 mm 208. WESTFORD NG 1983.06.21-17:30:31.656 0.006 mm 0.422 mm 0.418 mm 209. WESTFORD EG 1983.06.21-17:30:31.656 0.003 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.31 ps/h NRMS 0.25 share 0.94 count 79 2. WESTFORD Input 50.00 ps/h RMS 10.83 ps/h NRMS 0.22 share 0.91 count 79 Overall RMS 11.59 ps/h NRMS 0.23 share 0.92 count 158 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.10 D-14 NRMS 0.62 share 0.44 count 27 Overall RMS 3.10 D-14 NRMS 0.62 share 0.44 count 27 210. UT1-TAI 1, 1983.06.21-06:16:00.000 -1.6482 ms/d 409.03 micros/d 199.14 micros/d 197.00 micros/d EOP epoch (TDT) MJD: 45506.261484 NUT epoch (TDT) MJD: 45506.202342 211. Nutation DPSI wrt apriori model 1983.06.21-06:15:35.496 5.771 mas 3406.4 microasec 3369.7 microasec Nutation Dx wrt apriori model 1983.06.21-06:15:35.496 2.288 mas 1349.3 microasec 1334.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.21-06:15:35.496 7.571 mas 3406.4 microasec 3369.7 microasec 212. Nutation DEPS wrt apriori model 1983.06.21-06:15:35.496 2.039 mas 1562.5 microasec 1545.7 microasec Nutation Dy wrt apriori model 1983.06.21-06:15:35.496 2.048 mas 1567.6 microasec 1550.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.21-06:15:35.496 1.575 mas 1562.5 microasec 1545.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1068 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928020.44 13.22 3134928020.44 13.22 98.92 13.77 130.09 58.81 NNT_POS: 6 stations participated in NNT_POS constraints: HATCREEK HRAS_085 MOJAVE12 MON_PEAK OVRO_130 QUINCY NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:24 Correlator type: Unknown Experiment code: jpl83f Mark-3 db_name: $83JUN27XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830627_a Ver 2 jpl83f Matrix Condition Number = 1.975967591125068E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | HRAS_085: GION | | MOJAVE12: GION | | MON_PEAK: GION | | OVRO_130: GION | | QUINCY : GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for MON_PEAK is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for QUINCY is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET 17.2 5.6 900.8 1.3 25.9 7.1 HRAS_085 MET 19.7 6.5 836.4 0.8 8.6 0.8 MOJAVE12 MET 22.4 6.2 908.1 1.1 45.6 0.6 MON_PEAK MET -999.0 0.0 -999.0 0.0-99900.0 0.0 OVRO_130 MET 23.2 8.5 877.2 2.1 4.6 4.8 QUINCY MET 15.4 7.8 890.6 1.0 44.0 25.6 Run 26091-1740 1052 Observation Pairs Available Session started on: 2445513.120900 1983.06.27 14:54:05.760 UTC Nominal duration: 89475.840 sec 01 00:51:15.840 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 629 24.125 ps 0.84 0.9978 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 671 Number of potentially good observations with QC 5-9: 671 Number of used observations: 629 ( 93.74%) Number of suppressed observations: 42 ( 6.26%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK HRAS_085 40 41 25.525 0.85 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HATCREEK MOJAVE12 31 40 32.476 0.93 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HATCREEK MON_PEAK 30 33 29.838 0.84 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HATCREEK OVRO_130 35 37 20.206 0.78 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HATCREEK QUINCY 28 28 113.676 0.96 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HRAS_085 MOJAVE12 79 82 19.378 0.77 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HRAS_085 MON_PEAK 60 63 43.336 0.90 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HRAS_085 OVRO_130 50 51 12.522 0.71 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT HRAS_085 QUINCY 36 37 59.040 0.86 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT MOJAVE12 MON_PEAK 54 61 27.855 0.82 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT MOJAVE12 OVRO_130 47 51 10.127 0.65 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT MOJAVE12 QUINCY 40 40 103.313 0.94 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT MON_PEAK OVRO_130 51 57 32.914 0.86 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT MON_PEAK QUINCY 5 5 220.430 0.98 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT OVRO_130 QUINCY 43 45 71.064 0.89 19830627_a jpl83f 1983.06.28-03:19:43.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 23 24 58 28.082 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 0552+398 J0555+3948 30 30 72 28.503 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 0727-115 J0730-1141 3 5 30 67.411 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 1921-293 J1924-2914 30 32 60 25.299 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 2134+00 J2136+0041 65 66 85 20.046 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 3C120 J0433+0521 6 7 34 82.521 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 3C273B J1229+0203 62 72 101 16.085 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 3C279 J1256-0547 38 43 69 22.976 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 3C345 J1642+3948 92 94 120 18.911 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 3C418 J2038+5119 62 68 85 29.821 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 3C454.3 J2253+1608 57 59 81 18.293 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 3C84 J0319+4130 43 44 63 35.551 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: 4C39.25 J0927+3902 44 48 69 25.893 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: NRAO150 J0359+5057 24 25 55 35.824 19830627_a jpl83f 1983.06.28-03:19:43.680 SRC_STAT: NRAO530 J1733-1304 50 54 70 25.291 19830627_a jpl83f 1983.06.28-03:19:43.680 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.28-03:19:11 1. HATCREEK 7218 NOAM X Comp -2523970093.59 mm 10.407 mm 10.437 mm 10.426 mm 2. HATCREEK 7218 NOAM Y Comp -4123506204.80 mm 99.202 mm 16.587 mm 16.569 mm 3. HATCREEK 7218 NOAM Z Comp 4147752560.32 mm 23.316 mm 15.539 mm 15.523 mm HATCREEK 7218 U Comp -52.90 mm -52.904 mm 24.501 mm 20.490 mm HATCREEK 7218 E Comp -42.91 mm -42.913 mm 3.395 mm 2.840 mm HATCREEK 7218 N Comp 76.50 mm 76.502 mm 3.702 mm 3.096 mm 4. HATCREEK CL 0 1983.06.27-14:53:33.576 6158.576 ns 1.923 ns 1.921 ns 5. HATCREEK CL 1 1983.06.27-14:53:33.576 128.497 D-14 6.345 D-14 6.338 D-14 6. HATCREEK CL 2 1983.06.27-14:53:33.576 5.004 D-14/day 4.119 D-14/day 4.115 D-14/day 32. HATCREEK AT 0 1983.06.27-14:53:33.576 -41.499 ps 109.939 ps 109.821 ps HATCREEK Atm 1983.06.28-03:24:05.760 Avg: -50.301 ps Rms: 13.480 ps Tot_Rms: 52.076 ps || Nat: 71 Dura: 71620.0 sec Tzd_avg: 7156.5 Tzd_rms: 58.4 Wzd_avg: 333.0 Wzd_rms: 53.4 ps Prs_avg: 90078. Pa Tem_avg: 17.3 C Stm_avg: -1.7 C Stm_rms: 2.5 K Spr_avg: 92. Spr_rms: 50. Pa 108. HATCREEK NG 1983.06.27-14:52:33.576 -0.006 mm 0.422 mm 0.422 mm 109. HATCREEK EG 1983.06.27-14:52:33.576 0.010 mm 0.422 mm 0.422 mm 110. HATCREEK NG 1983.06.27-22:52:33.576 -0.017 mm 0.377 mm 0.376 mm 111. HATCREEK EG 1983.06.27-22:52:33.576 0.028 mm 0.377 mm 0.376 mm 112. HATCREEK NG 1983.06.28-06:52:33.576 -0.003 mm 0.377 mm 0.376 mm 113. HATCREEK EG 1983.06.28-06:52:33.576 0.018 mm 0.376 mm 0.375 mm 114. HATCREEK NG 1983.06.28-14:52:33.576 -0.016 mm 0.421 mm 0.421 mm 115. HATCREEK EG 1983.06.28-14:52:33.576 -0.026 mm 0.420 mm 0.420 mm 116. HRAS_085 7216 NOAM X Comp -1324211132.52 mm -115.520 mm 7.325 mm 7.317 mm 117. HRAS_085 7216 NOAM Y Comp -5332022969.16 mm 112.843 mm 15.680 mm 15.663 mm 118. HRAS_085 7216 NOAM Z Comp 3232118366.47 mm 59.475 mm 11.478 mm 11.466 mm HRAS_085 7216 U Comp -39.96 mm -39.965 mm 19.865 mm 16.613 mm HRAS_085 7216 E Comp -139.31 mm -139.313 mm 4.785 mm 4.002 mm HRAS_085 7216 N Comp 92.79 mm 92.793 mm 3.710 mm 3.103 mm 119. HRAS_085 AT 0 1983.06.27-14:53:33.576 -12.556 ps 55.490 ps 55.430 ps HRAS_085 Atm 1983.06.28-03:24:05.760 Avg: -69.244 ps Rms: 38.187 ps Tot_Rms: 79.076 ps || Nat: 89 Dura: 89476.0 sec Tzd_avg: 6567.7 Tzd_rms: 50.3 Wzd_avg: 193.2 Wzd_rms: 51.3 ps Prs_avg: 83639. Pa Tem_avg: 20.4 C Stm_avg: -5.6 C Stm_rms: 4.4 K Spr_avg: -271. Spr_rms: 43. Pa 195. HRAS_085 NG 1983.06.27-14:52:33.576 0.020 mm 0.422 mm 0.421 mm 196. HRAS_085 EG 1983.06.27-14:52:33.576 0.021 mm 0.422 mm 0.421 mm 197. HRAS_085 NG 1983.06.27-22:52:33.576 0.033 mm 0.377 mm 0.376 mm 198. HRAS_085 EG 1983.06.27-22:52:33.576 0.038 mm 0.376 mm 0.376 mm 199. HRAS_085 NG 1983.06.28-06:52:33.576 0.037 mm 0.377 mm 0.376 mm 200. HRAS_085 EG 1983.06.28-06:52:33.576 -0.028 mm 0.376 mm 0.376 mm 201. HRAS_085 NG 1983.06.28-14:52:33.576 0.010 mm 0.421 mm 0.421 mm 202. HRAS_085 EG 1983.06.28-14:52:33.576 -0.034 mm 0.421 mm 0.421 mm 203. MOJAVE12 7222 NOAM X Comp -2356171172.17 mm -76.170 mm 7.935 mm 7.926 mm 204. MOJAVE12 7222 NOAM Y Comp -4646755760.97 mm 71.033 mm 14.717 mm 14.701 mm 205. MOJAVE12 7222 NOAM Z Comp 3668470603.71 mm 22.709 mm 12.036 mm 12.023 mm MOJAVE12 7222 U Comp -10.45 mm -10.450 mm 20.365 mm 17.032 mm MOJAVE12 7222 E Comp -100.06 mm -100.060 mm 2.047 mm 1.712 mm MOJAVE12 7222 N Comp 35.24 mm 35.244 mm 2.343 mm 1.959 mm 206. MOJAVE12 CL 0 1983.06.27-14:53:33.576 11303.766 ns 0.150 ns 0.149 ns 207. MOJAVE12 CL 1 1983.06.27-14:53:33.576 285.546 D-14 2.022 D-14 2.019 D-14 208. MOJAVE12 CL 2 1983.06.27-14:53:33.576 -0.349 D-14/day 1.689 D-14/day 1.687 D-14/day 234. MOJAVE12 AT 0 1983.06.27-14:53:33.576 -111.879 ps 76.637 ps 76.554 ps MOJAVE12 Atm 1983.06.28-03:24:05.760 Avg: -75.060 ps Rms: 24.215 ps Tot_Rms: 78.869 ps || Nat: 86 Dura: 89476.0 sec Tzd_avg: 7063.9 Tzd_rms: 40.0 Wzd_avg: 174.3 Wzd_rms: 42.6 ps Prs_avg: 90804. Pa Tem_avg: 23.2 C Stm_avg: 1.0 C Stm_rms: 2.3 K Spr_avg: 76. Spr_rms: 76. Pa 310. MOJAVE12 NG 1983.06.27-14:52:33.576 0.038 mm 0.422 mm 0.421 mm 311. MOJAVE12 EG 1983.06.27-14:52:33.576 0.004 mm 0.421 mm 0.420 mm 312. MOJAVE12 NG 1983.06.27-22:52:33.576 0.094 mm 0.375 mm 0.375 mm 313. MOJAVE12 EG 1983.06.27-22:52:33.576 -0.067 mm 0.375 mm 0.374 mm 314. MOJAVE12 NG 1983.06.28-06:52:33.576 -0.052 mm 0.376 mm 0.376 mm 315. MOJAVE12 EG 1983.06.28-06:52:33.576 -0.007 mm 0.375 mm 0.374 mm 316. MOJAVE12 NG 1983.06.28-14:52:33.576 -0.077 mm 0.419 mm 0.419 mm 317. MOJAVE12 EG 1983.06.28-14:52:33.576 0.025 mm 0.418 mm 0.417 mm 318. MON_PEAK 7274 PCFC X Comp -2386289498.99 mm 225.006 mm 13.140 mm 13.126 mm 319. MON_PEAK 7274 PCFC Y Comp -4802346525.60 mm -312.605 mm 24.358 mm 24.332 mm 320. MON_PEAK 7274 PCFC Z Comp 3444883872.91 mm -219.086 mm 17.800 mm 17.780 mm MON_PEAK 7274 U Comp 32.02 mm 32.022 mm 32.584 mm 27.251 mm MON_PEAK 7274 E Comp 340.61 mm 340.607 mm 3.040 mm 2.542 mm MON_PEAK 7274 N Comp -281.62 mm -281.619 mm 3.442 mm 2.878 mm 321. MON_PEAK CL 0 1983.06.27-14:53:33.576 5574.328 ns 0.248 ns 0.248 ns 322. MON_PEAK CL 1 1983.06.27-14:53:33.576 133.448 D-14 2.075 D-14 2.072 D-14 323. MON_PEAK CL 2 1983.06.27-14:53:33.576 -0.038 D-14/day 1.725 D-14/day 1.723 D-14/day 349. MON_PEAK AT 0 1983.06.27-14:53:33.576 -17.317 ps 109.108 ps 108.990 ps MON_PEAK Atm 1983.06.28-03:24:05.760 Avg: -58.594 ps Rms: 39.410 ps Tot_Rms: 70.614 ps || Nat: 87 Dura: 88372.0 sec Tzd_avg: 6288.5 Tzd_rms: 6.9 Wzd_avg: 88.9 Wzd_rms: 8.1 ps Prs_avg: 81023. Pa Tem_avg: 3.0 C Stm_avg: -13.0 C Stm_rms: 0.4 K Spr_avg: -550. Spr_rms: 55. Pa 425. MON_PEAK NG 1983.06.27-14:52:33.576 -0.006 mm 0.422 mm 0.422 mm 426. MON_PEAK EG 1983.06.27-14:52:33.576 -0.027 mm 0.422 mm 0.422 mm 427. MON_PEAK NG 1983.06.27-22:52:33.576 -0.038 mm 0.376 mm 0.376 mm 428. MON_PEAK EG 1983.06.27-22:52:33.576 0.016 mm 0.376 mm 0.376 mm 429. MON_PEAK NG 1983.06.28-06:52:33.576 0.017 mm 0.377 mm 0.376 mm 430. MON_PEAK EG 1983.06.28-06:52:33.576 -0.013 mm 0.376 mm 0.376 mm 431. MON_PEAK NG 1983.06.28-14:52:33.576 0.033 mm 0.422 mm 0.421 mm 432. MON_PEAK EG 1983.06.28-14:52:33.576 -0.004 mm 0.422 mm 0.421 mm 433. OVRO_130 7207 NOAM X Comp -2409600899.08 mm -12.085 mm 7.814 mm 7.805 mm 434. OVRO_130 7207 NOAM Y Comp -4478349381.19 mm 82.812 mm 14.195 mm 14.180 mm 435. OVRO_130 7207 NOAM Z Comp 3838603172.02 mm -15.977 mm 11.781 mm 11.769 mm OVRO_130 7207 U Comp -63.17 mm -63.171 mm 19.795 mm 16.555 mm OVRO_130 7207 E Comp -49.88 mm -49.880 mm 2.078 mm 1.738 mm OVRO_130 7207 N Comp 27.94 mm 27.937 mm 2.278 mm 1.905 mm 436. OVRO_130 CL 0 1983.06.27-14:53:33.576 -1343.030 ns 0.722 ns 0.722 ns 437. OVRO_130 CL 1 1983.06.27-14:53:33.576 250.121 D-14 3.307 D-14 3.303 D-14 438. OVRO_130 CL 2 1983.06.27-14:53:33.576 -1.601 D-14/day 2.445 D-14/day 2.442 D-14/day 464. OVRO_130 AT 0 1983.06.27-14:53:33.576 66.706 ps 96.906 ps 96.801 ps OVRO_130 Atm 1983.06.28-03:24:05.760 Avg: 72.838 ps Rms: 13.540 ps Tot_Rms: 74.085 ps || Nat: 65 Dura: 69060.0 sec Tzd_avg: 6866.3 Tzd_rms: 36.9 Wzd_avg: 203.6 Wzd_rms: 22.5 ps Prs_avg: 87728. Pa Tem_avg: 23.0 C Stm_avg: -0.2 C Stm_rms: 6.1 K Spr_avg: -58. Spr_rms: 131. Pa 540. OVRO_130 NG 1983.06.27-14:52:33.576 -0.032 mm 0.422 mm 0.422 mm 541. OVRO_130 EG 1983.06.27-14:52:33.576 -0.013 mm 0.422 mm 0.422 mm 542. OVRO_130 NG 1983.06.27-22:52:33.576 -0.091 mm 0.375 mm 0.375 mm 543. OVRO_130 EG 1983.06.27-22:52:33.576 -0.036 mm 0.375 mm 0.375 mm 544. OVRO_130 NG 1983.06.28-06:52:33.576 0.007 mm 0.376 mm 0.376 mm 545. OVRO_130 EG 1983.06.28-06:52:33.576 0.020 mm 0.375 mm 0.375 mm 546. OVRO_130 NG 1983.06.28-14:52:33.576 0.074 mm 0.419 mm 0.419 mm 547. OVRO_130 EG 1983.06.28-14:52:33.576 0.084 mm 0.419 mm 0.419 mm 548. QUINCY 7221 NOAM X Comp -2517231089.64 mm -31.637 mm 19.227 mm 19.207 mm 549. QUINCY 7221 NOAM Y Comp -4198595167.29 mm -53.285 mm 32.328 mm 32.293 mm 550. QUINCY 7221 NOAM Z Comp 4076531338.56 mm 129.564 mm 30.643 mm 30.610 mm QUINCY 7221 U Comp 130.73 mm 130.727 mm 47.783 mm 39.962 mm QUINCY 7221 E Comp 0.27 mm 0.266 mm 5.720 mm 4.784 mm QUINCY 7221 N Comp 59.48 mm 59.477 mm 6.151 mm 5.145 mm 551. QUINCY CL 0 1983.06.27-14:53:33.576 9044.962 ns 0.328 ns 0.327 ns 552. QUINCY CL 1 1983.06.27-14:53:33.576 148.827 D-14 2.200 D-14 2.198 D-14 553. QUINCY CL 2 1983.06.27-14:53:33.576 -1.372 D-14/day 1.918 D-14/day 1.916 D-14/day 579. QUINCY AT 0 1983.06.27-14:53:33.576 -275.132 ps 115.288 ps 115.164 ps QUINCY Atm 1983.06.28-03:24:05.760 Avg: -213.927 ps Rms: 34.374 ps Tot_Rms: 216.671 ps || Nat: 75 Dura: 83520.0 sec Tzd_avg: 6976.0 Tzd_rms: 55.6 Wzd_avg: 225.1 Wzd_rms: 52.1 ps Prs_avg: 89056. Pa Tem_avg: 15.7 C Stm_avg: -0.7 C Stm_rms: 5.6 K Spr_avg: 83. Spr_rms: 110. Pa 655. QUINCY NG 1983.06.27-14:52:33.576 0.006 mm 0.422 mm 0.422 mm 656. QUINCY EG 1983.06.27-14:52:33.576 0.003 mm 0.422 mm 0.422 mm 657. QUINCY NG 1983.06.27-22:52:33.576 0.030 mm 0.377 mm 0.377 mm 658. QUINCY EG 1983.06.27-22:52:33.576 0.024 mm 0.377 mm 0.376 mm 659. QUINCY NG 1983.06.28-06:52:33.576 0.001 mm 0.377 mm 0.377 mm 660. QUINCY EG 1983.06.28-06:52:33.576 0.019 mm 0.377 mm 0.376 mm 661. QUINCY NG 1983.06.28-14:52:33.576 -0.028 mm 0.422 mm 0.422 mm 662. QUINCY EG 1983.06.28-14:52:33.576 -0.027 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 20.91 ps/h NRMS 0.42 share 0.88 count 76 2. HRAS_085 Input 50.00 ps/h RMS 24.36 ps/h NRMS 0.49 share 0.76 count 76 3. MOJAVE12 Input 50.00 ps/h RMS 21.31 ps/h NRMS 0.43 share 0.78 count 76 4. MON_PEAK Input 50.00 ps/h RMS 18.10 ps/h NRMS 0.36 share 0.87 count 76 5. OVRO_130 Input 50.00 ps/h RMS 18.59 ps/h NRMS 0.37 share 0.79 count 76 6. QUINCY Input 50.00 ps/h RMS 17.82 ps/h NRMS 0.36 share 0.93 count 76 Overall RMS 20.31 ps/h NRMS 0.41 share 0.83 count 456 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 3. MOJAVE12 Input 2.00 mm/d RMS 0.23 mm/d NRMS 0.11 share 0.53 count 8 4. MON_PEAK Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.53 count 8 6. QUINCY Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.14 mm/d NRMS 0.07 share 0.53 count 48 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 1.06 D-14 NRMS 0.21 share 0.55 count 26 3. MOJAVE12 Input 5.00 D-14 RMS 3.35 D-14 NRMS 0.67 share 0.16 count 26 4. MON_PEAK Input 5.00 D-14 RMS 2.61 D-14 NRMS 0.52 share 0.22 count 26 5. OVRO_130 Input 5.00 D-14 RMS 0.85 D-14 NRMS 0.17 share 0.37 count 26 6. QUINCY Input 5.00 D-14 RMS 3.54 D-14 NRMS 0.71 share 0.46 count 26 Overall RMS 2.55 D-14 NRMS 0.51 share 0.35 count 130 663. UT1-TAI 1, 1983.06.28-03:19:00.000 -1.5163 ms/d -234.22 micros/d 301.06 micros/d 300.73 micros/d EOP epoch (TDT) MJD: 45513.138567 NUT epoch (TDT) MJD: 45513.261755 664. Nutation DPSI wrt apriori model 1983.06.28-03:19:11.496 -3.250 mas 1742.4 microasec 1740.5 microasec Nutation Dx wrt apriori model 1983.06.28-03:19:11.496 -1.290 mas 690.3 microasec 689.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.28-03:19:11.496 -2.482 mas 1742.4 microasec 1740.5 microasec 665. Nutation DEPS wrt apriori model 1983.06.28-03:19:11.496 -0.764 mas 770.4 microasec 769.6 microasec Nutation Dy wrt apriori model 1983.06.28-03:19:11.496 -0.768 mas 773.0 microasec 772.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.28-03:19:11.496 -1.552 mas 770.4 microasec 769.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0580 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to HRAS_085 7216 1933473638.65 7.67 1933473638.65 7.67 64.15 5.30 -49.64 31.50 HATCREEK 7218 to MOJAVE12 7222 729148661.10 4.84 729148661.10 4.84 74.55 3.57 -52.26 32.30 HATCREEK 7218 to MON_PEAK 7274 986815341.90 6.46 986815341.90 6.46 -186.42 4.64 -59.71 43.89 HATCREEK 7218 to OVRO_130 7207 484321522.10 4.44 484321522.10 4.44 35.83 3.14 4.96 31.32 HATCREEK 7218 to QUINCY 7221 103712240.79 8.64 103712240.79 8.64 -31.48 6.15 -184.70 61.65 HRAS_085 7216 to MOJAVE12 7222 1313368168.11 5.04 1313368168.11 5.04 -20.69 3.31 -1.36 26.47 HRAS_085 7216 to MON_PEAK 7274 1205751530.01 6.55 1205751530.01 6.55 -280.25 4.24 -93.40 41.35 HRAS_085 7216 to OVRO_130 7207 1508195398.32 5.22 1508195398.32 5.22 1.75 3.71 49.61 26.58 HRAS_085 7216 to QUINCY 7221 1849591432.61 11.88 1849591432.61 11.88 66.99 6.91 -140.38 58.17 MOJAVE12 7222 to MON_PEAK 7274 274055880.87 4.12 274055880.87 4.12 -386.30 3.41 -34.94 40.59 MOJAVE12 7222 to OVRO_130 7207 245276446.63 2.64 245276446.63 2.64 40.25 2.22 55.25 26.12 MOJAVE12 7222 to QUINCY 7221 627137766.42 8.67 627137766.42 8.67 99.36 5.77 -134.30 59.75 MON_PEAK 7274 to OVRO_130 7207 510423801.81 4.39 510423801.81 4.39 -268.57 3.60 80.94 40.69 MON_PEAK 7274 to QUINCY 7221 883538297.81 9.83 883538297.81 9.83 -153.95 6.54 -123.37 67.46 OVRO_130 7207 to QUINCY 7221 382696342.48 8.29 382696342.48 8.29 60.82 5.66 -190.72 59.04 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:27 Correlator type: Unknown Experiment code: pol117 Mark-3 db_name: $83JUN28XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830628_a Ver 2 pol117 Matrix Condition Number = 1.627741698517988E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 21.9 6.1 835.6 0.7 5.0 1.9 MOJAVE12 MET 30.8 3.2 905.1 0.3 28.0 8.1 WESTFORD MET 14.5 2.7 1009.7 0.8 75.3 39.2 Run 26091-1740 343 Observation Pairs Available Session started on: 2445514.247200 1983.06.28 17:55:58.080 UTC Nominal duration: 88335.360 sec 01 00:32:15.360 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 250 39.250 ps 0.87 1.0019 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 258 Number of potentially good observations with QC 5-9: 258 Number of used observations: 250 ( 96.90%) Number of suppressed observations: 8 ( 3.10%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 50 50 18.609 0.80 19830628_a pol117 1983.06.29-06:12:05.7 BAS_STAT HRAS_085 WESTFORD 162 170 65.572 0.87 19830628_a pol117 1983.06.29-06:12:05.7 BAS_STAT MOJAVE12 WESTFORD 38 38 102.261 0.97 19830628_a pol117 1983.06.29-06:12:05.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 13 14 65.444 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 0212+735 J0217+7349 7 7 15 174.737 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 0234+285 J0237+2848 19 19 19 86.541 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 0552+398 J0555+3948 24 24 24 97.916 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 1637+574 J1638+5720 8 8 40 117.608 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 2134+00 J2136+0041 9 10 16 62.296 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 3C273B J1229+0203 33 35 37 15.888 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 3C345 J1642+3948 43 44 47 25.637 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 3C454.3 J2253+1608 11 13 14 34.812 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: 4C39.25 J0927+3902 8 9 22 39.284 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: NRAO150 J0359+5057 14 14 18 88.457 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: OJ287 J0854+2006 15 15 17 47.541 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: OQ208 J1407+2827 34 34 46 84.103 19830628_a pol117 1983.06.29-06:12:05.760 SRC_STAT: VR422201 J2202+4216 13 13 14 56.402 19830628_a pol117 1983.06.29-06:12:05.760 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.29-06:11:33 1. HRAS_085 7216 NOAM X Comp -1324211059.34 mm -42.340 mm 6.101 mm 6.107 mm 2. HRAS_085 7216 NOAM Y Comp -5332023084.44 mm -2.445 mm 20.463 mm 20.483 mm 3. HRAS_085 7216 NOAM Z Comp 3232118371.91 mm 64.907 mm 14.099 mm 14.112 mm HRAS_085 7216 U Comp 43.90 mm 43.898 mm 24.787 mm 21.674 mm HRAS_085 7216 E Comp -40.50 mm -40.502 mm 5.001 mm 4.373 mm HRAS_085 7216 N Comp 49.44 mm 49.437 mm 3.916 mm 3.424 mm 4. HRAS_085 CL 0 1983.06.28-17:55:25.896 -4838.348 ns 0.289 ns 0.289 ns 5. HRAS_085 CL 1 1983.06.28-17:55:25.896 -272.119 D-14 2.131 D-14 2.133 D-14 6. HRAS_085 CL 2 1983.06.28-17:55:25.896 -1.614 D-14/day 1.795 D-14/day 1.796 D-14/day 32. HRAS_085 AT 0 1983.06.28-17:55:25.896 61.349 ps 80.311 ps 80.388 ps HRAS_085 Atm 1983.06.29-06:25:58.080 Avg: 103.232 ps Rms: 22.053 ps Tot_Rms: 105.562 ps || Nat: 234 Dura: 88330.0 sec Tzd_avg: 6553.0 Tzd_rms: 57.2 Wzd_avg: 185.3 Wzd_rms: 58.9 ps Prs_avg: 83576. Pa Tem_avg: 21.4 C Stm_avg: -4.2 C Stm_rms: 3.8 K Spr_avg: -241. Spr_rms: 58. Pa 108. HRAS_085 NG 1983.06.28-17:54:25.896 -0.011 mm 0.422 mm 0.423 mm 109. HRAS_085 EG 1983.06.28-17:54:25.896 0.010 mm 0.422 mm 0.423 mm 110. HRAS_085 NG 1983.06.29-01:54:25.896 0.005 mm 0.377 mm 0.377 mm 111. HRAS_085 EG 1983.06.29-01:54:25.896 0.036 mm 0.377 mm 0.377 mm 112. HRAS_085 NG 1983.06.29-09:54:25.896 -0.004 mm 0.377 mm 0.377 mm 113. HRAS_085 EG 1983.06.29-09:54:25.896 -0.003 mm 0.377 mm 0.377 mm 114. HRAS_085 NG 1983.06.29-17:54:25.896 -0.002 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1983.06.29-17:54:25.896 -0.009 mm 0.422 mm 0.423 mm 116. MOJAVE12 7222 NOAM X Comp -2356171085.53 mm 10.473 mm 10.154 mm 10.164 mm 117. MOJAVE12 7222 NOAM Y Comp -4646755890.88 mm -58.879 mm 24.510 mm 24.533 mm 118. MOJAVE12 7222 NOAM Z Comp 3668470611.68 mm 30.676 mm 18.613 mm 18.631 mm MOJAVE12 7222 U Comp 56.72 mm 56.718 mm 31.176 mm 27.260 mm MOJAVE12 7222 E Comp 35.97 mm 35.968 mm 7.141 mm 6.244 mm MOJAVE12 7222 N Comp -2.60 mm -2.604 mm 5.232 mm 4.575 mm 119. MOJAVE12 CL 0 1983.06.28-17:55:25.896 6833.419 ns 0.991 ns 0.992 ns 120. MOJAVE12 CL 1 1983.06.28-17:55:25.896 26.951 D-14 7.567 D-14 7.574 D-14 121. MOJAVE12 CL 2 1983.06.28-17:55:25.896 -17.981 D-14/day 11.614 D-14/day 11.625 D-14/day 147. MOJAVE12 AT 0 1983.06.28-17:55:25.896 2.739 ps 89.399 ps 89.484 ps MOJAVE12 Atm 1983.06.29-06:25:58.080 Avg: 11.723 ps Rms: 13.495 ps Tot_Rms: 17.876 ps || Nat: 58 Dura: 24660.0 sec Tzd_avg: 7131.6 Tzd_rms: 27.9 Wzd_avg: 257.9 Wzd_rms: 31.2 ps Prs_avg: 90510. Pa Tem_avg: 30.8 C Stm_avg: 2.3 C Stm_rms: 1.4 K Spr_avg: -46. Spr_rms: 13. Pa 223. MOJAVE12 NG 1983.06.28-17:54:25.896 0.018 mm 0.422 mm 0.423 mm 224. MOJAVE12 EG 1983.06.28-17:54:25.896 0.001 mm 0.422 mm 0.423 mm 225. MOJAVE12 NG 1983.06.29-01:54:25.896 0.023 mm 0.377 mm 0.377 mm 226. MOJAVE12 EG 1983.06.29-01:54:25.896 -0.027 mm 0.377 mm 0.377 mm 227. MOJAVE12 NG 1983.06.29-09:54:25.896 -0.004 mm 0.377 mm 0.377 mm 228. MOJAVE12 EG 1983.06.29-09:54:25.896 -0.023 mm 0.377 mm 0.377 mm 229. MOJAVE12 NG 1983.06.29-17:54:25.896 -0.002 mm 0.422 mm 0.423 mm 230. MOJAVE12 EG 1983.06.29-17:54:25.896 -0.008 mm 0.422 mm 0.423 mm 231. WESTFORD 7209 NOAM X Comp 1492206574.87 mm 31.867 mm 8.235 mm 8.243 mm 232. WESTFORD 7209 NOAM Y Comp -4458130460.68 mm 61.324 mm 27.275 mm 27.301 mm 233. WESTFORD 7209 NOAM Z Comp 4296015451.42 mm -95.583 mm 21.313 mm 21.334 mm WESTFORD 7209 U Comp -100.07 mm -100.067 mm 32.579 mm 28.487 mm WESTFORD 7209 E Comp 49.68 mm 49.684 mm 13.332 mm 11.657 mm WESTFORD 7209 N Comp -37.82 mm -37.820 mm 5.181 mm 4.530 mm 234. WESTFORD AT 0 1983.06.28-17:55:25.896 -99.459 ps 74.637 ps 74.708 ps WESTFORD Atm 1983.06.29-06:25:58.080 Avg: -57.740 ps Rms: 73.227 ps Tot_Rms: 93.253 ps || Nat: 237 Dura: 88330.0 sec Tzd_avg: 7995.4 Tzd_rms: 206.0 Wzd_avg: 394.8 Wzd_rms: 213.3 ps Prs_avg: 100983. Pa Tem_avg: 14.6 C Stm_avg: -0.3 C Stm_rms: 1.4 K Spr_avg: 708. Spr_rms: 43. Pa 310. WESTFORD NG 1983.06.28-17:54:25.896 0.008 mm 0.422 mm 0.423 mm 311. WESTFORD EG 1983.06.28-17:54:25.896 -0.009 mm 0.422 mm 0.423 mm 312. WESTFORD NG 1983.06.29-01:54:25.896 0.001 mm 0.377 mm 0.377 mm 313. WESTFORD EG 1983.06.29-01:54:25.896 -0.026 mm 0.377 mm 0.377 mm 314. WESTFORD NG 1983.06.29-09:54:25.896 -0.004 mm 0.377 mm 0.377 mm 315. WESTFORD EG 1983.06.29-09:54:25.896 0.022 mm 0.377 mm 0.377 mm 316. WESTFORD NG 1983.06.29-17:54:25.896 -0.008 mm 0.422 mm 0.423 mm 317. WESTFORD EG 1983.06.29-17:54:25.896 0.022 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.69 ps/h NRMS 0.27 share 0.89 count 76 2. MOJAVE12 Input 50.00 ps/h RMS 11.69 ps/h NRMS 0.23 share 0.93 count 76 3. WESTFORD Input 50.00 ps/h RMS 19.32 ps/h NRMS 0.39 share 0.89 count 76 Overall RMS 15.24 ps/h NRMS 0.30 share 0.90 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.95 D-14 NRMS 0.59 share 0.26 count 26 2. MOJAVE12 Input 5.00 D-14 RMS 1.05 D-14 NRMS 0.21 share 0.80 count 26 Overall RMS 2.22 D-14 NRMS 0.44 share 0.53 count 52 318. UT1-TAI 1, 1983.06.29-06:12:00.000 -1.2933 ms/d 51.00 micros/d 213.93 micros/d 214.14 micros/d EOP epoch (TDT) MJD: 45514.258706 NUT epoch (TDT) MJD: 45514.157174 319. Nutation DPSI wrt apriori model 1983.06.29-06:11:33.576 -2.965 mas 2153.2 microasec 2155.3 microasec Nutation Dx wrt apriori model 1983.06.29-06:11:33.576 -1.184 mas 852.9 microasec 853.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.29-06:11:33.576 -2.490 mas 2153.2 microasec 2155.3 microasec 320. Nutation DEPS wrt apriori model 1983.06.29-06:11:33.576 1.061 mas 984.2 microasec 985.1 microasec Nutation Dy wrt apriori model 1983.06.29-06:11:33.576 1.056 mas 987.3 microasec 988.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.29-06:11:33.576 0.332 mas 984.2 microasec 985.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0819 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368150.74 6.99 1313368150.74 6.99 -16.24 6.07 -10.31 45.37 HRAS_085 7216 to WESTFORD 7209 3134928006.18 11.22 3134928006.18 11.22 112.84 6.75 147.30 51.18 MOJAVE12 7222 to WESTFORD 7209 3903767756.39 16.02 3903767756.39 16.02 17.07 9.42 174.68 60.27 NNT_POS: 6 stations participated in NNT_POS constraints: HATCREEK HRAS_085 JPL_MV1 MAMMOTHL MOJAVE12 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:30 Correlator type: Unknown Experiment code: mb8301 Mark-3 db_name: $83JUN29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830629_a Ver 2 mb8301 Matrix Condition Number = 2.174649673858618E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: | | HRAS_085: | | JPL_MV1 : | | MAMMOTHL: | | MOJAVE12: | | OVRO_130: | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for JPL_MV1 is 5.0 Elevation cut for MAMMOTHL is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET 16.8 4.1 893.8 0.9 55.1 3.7 HRAS_085 MET 23.3 5.4 833.1 1.0 15.0 4.9 JPL_MV1 MET 19.2 2.9 970.6 0.9 98.2 1.6 MAMMOTHL MET 13.7 5.4 765.2 0.8 15.0 0.1 MOJAVE12 MET 23.6 5.8 900.1 1.6 49.5 1.5 OVRO_130 MET 21.8 6.8 870.7 1.7 19.5 5.0 Run 26091-1740 1266 Observation Pairs Available Session started on: 2445514.593200 1983.06.29 02:14:12.480 UTC Nominal duration: 134585.280 sec 01 13:23:05.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 825 20.585 ps 0.83 0.9971 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 950 Number of potentially good observations with QC 5-9: 950 Number of used observations: 825 ( 86.84%) Number of suppressed observations: 125 ( 13.16%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK HRAS_085 60 65 24.322 0.82 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HATCREEK JPL_MV1 79 94 47.172 0.90 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HATCREEK MAMMOTHL 32 38 38.750 0.79 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HATCREEK MOJAVE12 64 97 26.718 0.86 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HATCREEK OVRO_130 64 85 22.171 0.82 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HRAS_085 JPL_MV1 55 58 42.646 0.92 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HRAS_085 MAMMOTHL 24 26 100.927 0.94 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HRAS_085 MOJAVE12 89 96 21.390 0.83 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT HRAS_085 OVRO_130 50 54 14.793 0.76 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT JPL_MV1 MOJAVE12 81 87 52.501 0.95 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT JPL_MV1 OVRO_130 80 89 18.384 0.76 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT MAMMOTHL MOJAVE12 22 23 69.655 0.93 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT MAMMOTHL OVRO_130 33 41 71.682 0.90 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT MOJAVE12 OVRO_130 92 97 6.664 0.54 19830629_a mb8301 1983.06.29-20:55:45.1 BAS_STAT Not included: JPL_MV1 MAMMOTHL 0/ 0 deselected baseline 19830629_a mb8301 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 47 52 69 30.165 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 0552+398 J0555+3948 56 62 88 25.640 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 0727-115 J0730-1141 9 15 35 48.987 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 1637+574 J1638+5720 5 6 7 64.899 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 1921-293 J1924-2914 32 35 79 17.618 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 2134+00 J2136+0041 85 97 126 16.689 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 3C120 J0433+0521 26 35 55 35.627 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 3C273B J1229+0203 61 81 95 16.703 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 3C279 J1256-0547 40 53 57 30.412 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 3C345 J1642+3948 84 95 117 13.664 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 3C418 J2038+5119 72 82 118 19.864 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 3C454.3 J2253+1608 77 80 104 15.297 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 3C84 J0319+4130 66 72 102 18.671 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: 4C39.25 J0927+3902 40 44 48 35.468 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: NRAO150 J0359+5057 61 65 76 23.655 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: NRAO530 J1733-1304 56 68 82 20.556 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: OQ208 J1407+2827 7 7 7 63.234 19830629_a mb8301 1983.06.29-20:55:45.120 SRC_STAT: VR422201 J2202+4216 1 1 1 2.418 19830629_a mb8301 1983.06.29-20:55:45.120 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.06.29-20:55:12 1. HATCREEK 7218 NOAM X Comp -2523970109.95 mm -5.950 mm 8.500 mm 8.488 mm 2. HATCREEK 7218 NOAM Y Comp -4123506251.76 mm 52.242 mm 14.661 mm 14.640 mm 3. HATCREEK 7218 NOAM Z Comp 4147752573.97 mm 36.973 mm 12.467 mm 12.449 mm HATCREEK 7218 U Comp -7.20 mm -7.203 mm 20.583 mm 17.019 mm HATCREEK 7218 E Comp -32.35 mm -32.348 mm 2.574 mm 2.129 mm HATCREEK 7218 N Comp 55.08 mm 55.076 mm 3.509 mm 2.901 mm 4. HATCREEK CL 0 1983.06.29-02:13:40.296 6331.052 ns 0.534 ns 0.533 ns 5. HATCREEK CL 1 1983.06.29-02:13:40.296 140.686 D-14 2.113 D-14 2.110 D-14 6. HATCREEK CL 2 1983.06.29-02:13:40.296 1.921 D-14/day 1.091 D-14/day 1.090 D-14/day 45. HATCREEK AT 0 1983.06.29-02:13:40.296 -117.084 ps 80.331 ps 80.216 ps HATCREEK Atm 1983.06.29-21:14:12.480 Avg: -62.804 ps Rms: 35.530 ps Tot_Rms: 72.158 ps || Nat: 113 Dura: 118400.0 sec Tzd_avg: 7115.6 Tzd_rms: 83.4 Wzd_avg: 328.2 Wzd_rms: 78.9 ps Prs_avg: 89394. Pa Tem_avg: 16.7 C Stm_avg: 0.3 C Stm_rms: 1.0 K Spr_avg: -115. Spr_rms: 50. Pa 160. HATCREEK NG 1983.06.29-02:12:40.296 0.007 mm 0.422 mm 0.421 mm 161. HATCREEK EG 1983.06.29-02:12:40.296 0.012 mm 0.422 mm 0.421 mm 162. HATCREEK NG 1983.06.29-10:12:40.296 0.005 mm 0.376 mm 0.375 mm 163. HATCREEK EG 1983.06.29-10:12:40.296 -0.024 mm 0.375 mm 0.374 mm 164. HATCREEK NG 1983.06.29-18:12:40.296 -0.023 mm 0.372 mm 0.371 mm 165. HATCREEK EG 1983.06.29-18:12:40.296 -0.029 mm 0.371 mm 0.370 mm 166. HATCREEK NG 1983.06.30-02:12:40.296 -0.019 mm 0.372 mm 0.371 mm 167. HATCREEK EG 1983.06.30-02:12:40.296 0.105 mm 0.370 mm 0.370 mm 168. HATCREEK NG 1983.06.30-10:12:40.296 0.031 mm 0.375 mm 0.375 mm 169. HATCREEK EG 1983.06.30-10:12:40.296 0.024 mm 0.374 mm 0.374 mm 170. HATCREEK NG 1983.06.30-18:12:40.296 -0.000 mm 0.422 mm 0.421 mm 171. HATCREEK EG 1983.06.30-18:12:40.296 -0.060 mm 0.420 mm 0.420 mm 172. HRAS_085 7216 NOAM X Comp -1324211135.31 mm -118.308 mm 7.444 mm 7.434 mm 173. HRAS_085 7216 NOAM Y Comp -5332022985.41 mm 96.590 mm 16.870 mm 16.846 mm 174. HRAS_085 7216 NOAM Z Comp 3232118355.51 mm 48.505 mm 11.739 mm 11.723 mm HRAS_085 7216 U Comp -31.40 mm -31.404 mm 21.055 mm 17.408 mm HRAS_085 7216 E Comp -138.10 mm -138.101 mm 4.597 mm 3.801 mm HRAS_085 7216 N Comp 74.97 mm 74.974 mm 3.660 mm 3.026 mm 175. HRAS_085 AT 0 1983.06.29-02:13:40.296 11.741 ps 92.590 ps 92.458 ps HRAS_085 Atm 1983.06.29-21:14:12.480 Avg: -77.181 ps Rms: 54.788 ps Tot_Rms: 94.650 ps || Nat: 99 Dura: 134590.0 sec Tzd_avg: 6673.0 Tzd_rms: 106.9 Wzd_avg: 314.3 Wzd_rms: 112.4 ps Prs_avg: 83331. Pa Tem_avg: 24.6 C Stm_avg: -1.5 C Stm_rms: 2.7 K Spr_avg: -425. Spr_rms: 62. Pa 290. HRAS_085 NG 1983.06.29-02:12:40.296 0.014 mm 0.422 mm 0.421 mm 291. HRAS_085 EG 1983.06.29-02:12:40.296 0.015 mm 0.421 mm 0.420 mm 292. HRAS_085 NG 1983.06.29-10:12:40.296 0.007 mm 0.377 mm 0.376 mm 293. HRAS_085 EG 1983.06.29-10:12:40.296 0.016 mm 0.377 mm 0.376 mm 294. HRAS_085 NG 1983.06.29-18:12:40.296 -0.005 mm 0.372 mm 0.372 mm 295. HRAS_085 EG 1983.06.29-18:12:40.296 0.021 mm 0.372 mm 0.372 mm 296. HRAS_085 NG 1983.06.30-02:12:40.296 0.015 mm 0.372 mm 0.371 mm 297. HRAS_085 EG 1983.06.30-02:12:40.296 -0.016 mm 0.371 mm 0.370 mm 298. HRAS_085 NG 1983.06.30-10:12:40.296 -0.033 mm 0.376 mm 0.375 mm 299. HRAS_085 EG 1983.06.30-10:12:40.296 -0.022 mm 0.376 mm 0.375 mm 300. HRAS_085 NG 1983.06.30-18:12:40.296 0.002 mm 0.422 mm 0.421 mm 301. HRAS_085 EG 1983.06.30-18:12:40.296 -0.009 mm 0.422 mm 0.421 mm 302. JPL_MV1 7263 PCFC X Comp -2493306086.69 mm 210.309 mm 11.275 mm 11.259 mm 303. JPL_MV1 7263 PCFC Y Comp -4655197533.67 mm -149.669 mm 20.311 mm 20.282 mm 304. JPL_MV1 7263 PCFC Z Comp 3565519267.48 mm -195.524 mm 15.349 mm 15.327 mm JPL_MV1 7263 U Comp -82.92 mm -82.919 mm 27.506 mm 22.743 mm JPL_MV1 7263 E Comp 256.06 mm 256.057 mm 2.483 mm 2.053 mm JPL_MV1 7263 N Comp -180.05 mm -180.054 mm 3.535 mm 2.923 mm 305. JPL_MV1 CL 0 1983.06.29-02:13:40.296 5740.375 ns 0.548 ns 0.547 ns 306. JPL_MV1 CL 1 1983.06.29-02:13:40.296 109.605 D-14 2.119 D-14 2.116 D-14 307. JPL_MV1 CL 2 1983.06.29-02:13:40.296 3.438 D-14/day 1.099 D-14/day 1.097 D-14/day 346. JPL_MV1 AT 0 1983.06.29-02:13:40.296 -61.018 ps 97.843 ps 97.703 ps JPL_MV1 Atm 1983.06.29-21:14:12.480 Avg: -0.692 ps Rms: 48.695 ps Tot_Rms: 48.700 ps || Nat: 115 Dura: 120910.0 sec Tzd_avg: 7645.6 Tzd_rms: 49.5 Wzd_avg: 383.3 Wzd_rms: 53.1 ps Prs_avg: 97068. Pa Tem_avg: 19.0 C Stm_avg: -3.2 C Stm_rms: 2.0 K Spr_avg: 1333. Spr_rms: 30. Pa 461. JPL_MV1 NG 1983.06.29-02:12:40.296 -0.024 mm 0.422 mm 0.421 mm 462. JPL_MV1 EG 1983.06.29-02:12:40.296 -0.032 mm 0.422 mm 0.421 mm 463. JPL_MV1 NG 1983.06.29-10:12:40.296 -0.042 mm 0.375 mm 0.375 mm 464. JPL_MV1 EG 1983.06.29-10:12:40.296 -0.072 mm 0.374 mm 0.374 mm 465. JPL_MV1 NG 1983.06.29-18:12:40.296 0.021 mm 0.372 mm 0.371 mm 466. JPL_MV1 EG 1983.06.29-18:12:40.296 -0.074 mm 0.371 mm 0.371 mm 467. JPL_MV1 NG 1983.06.30-02:12:40.296 0.031 mm 0.372 mm 0.372 mm 468. JPL_MV1 EG 1983.06.30-02:12:40.296 0.068 mm 0.371 mm 0.370 mm 469. JPL_MV1 NG 1983.06.30-10:12:40.296 0.005 mm 0.375 mm 0.375 mm 470. JPL_MV1 EG 1983.06.30-10:12:40.296 0.077 mm 0.374 mm 0.374 mm 471. JPL_MV1 NG 1983.06.30-18:12:40.296 -0.001 mm 0.422 mm 0.421 mm 472. JPL_MV1 EG 1983.06.30-18:12:40.296 0.033 mm 0.421 mm 0.420 mm 473. MAMMOTHL 7259 NOAM X Comp -2448246921.20 mm 24.804 mm 20.343 mm 20.314 mm 474. MAMMOTHL 7259 NOAM Y Comp -4426738214.16 mm -53.157 mm 35.473 mm 35.422 mm 475. MAMMOTHL 7259 NOAM Z Comp 3875435864.18 mm 85.185 mm 28.351 mm 28.310 mm MAMMOTHL 7259 U Comp 79.35 mm 79.353 mm 48.679 mm 40.249 mm MAMMOTHL 7259 E Comp 47.43 mm 47.432 mm 5.907 mm 4.884 mm MAMMOTHL 7259 N Comp 46.38 mm 46.376 mm 8.450 mm 6.987 mm 476. MAMMOTHL CL 0 1983.06.29-02:13:40.296 9631.219 ns 1.877 ns 1.875 ns 477. MAMMOTHL CL 1 1983.06.29-02:13:40.296 164.091 D-14 5.216 D-14 5.209 D-14 478. MAMMOTHL CL 2 1983.06.29-02:13:40.296 0.916 D-14/day 2.827 D-14/day 2.823 D-14/day 517. MAMMOTHL AT 0 1983.06.29-02:13:40.296 -12.827 ps 152.358 ps 152.140 ps MAMMOTHL Atm 1983.06.29-21:14:12.480 Avg: -44.937 ps Rms: 25.849 ps Tot_Rms: 51.841 ps || Nat: 67 Dura: 84628.0 sec Tzd_avg: 6016.6 Tzd_rms: 61.1 Wzd_avg: 192.0 Wzd_rms: 57.0 ps Prs_avg: 76531. Pa Tem_avg: 14.0 C Stm_avg: 1.9 C Stm_rms: 2.7 K Spr_avg: -180. Spr_rms: 57. Pa 632. MAMMOTHL NG 1983.06.29-02:12:40.296 0.001 mm 0.422 mm 0.422 mm 633. MAMMOTHL EG 1983.06.29-02:12:40.296 0.005 mm 0.422 mm 0.422 mm 634. MAMMOTHL NG 1983.06.29-10:12:40.296 0.002 mm 0.377 mm 0.376 mm 635. MAMMOTHL EG 1983.06.29-10:12:40.296 0.013 mm 0.377 mm 0.376 mm 636. MAMMOTHL NG 1983.06.29-18:12:40.296 -0.001 mm 0.373 mm 0.372 mm 637. MAMMOTHL EG 1983.06.29-18:12:40.296 0.026 mm 0.373 mm 0.372 mm 638. MAMMOTHL NG 1983.06.30-02:12:40.296 0.005 mm 0.373 mm 0.372 mm 639. MAMMOTHL EG 1983.06.30-02:12:40.296 -0.028 mm 0.373 mm 0.372 mm 640. MAMMOTHL NG 1983.06.30-10:12:40.296 -0.004 mm 0.377 mm 0.376 mm 641. MAMMOTHL EG 1983.06.30-10:12:40.296 -0.030 mm 0.377 mm 0.376 mm 642. MAMMOTHL NG 1983.06.30-18:12:40.296 -0.002 mm 0.422 mm 0.422 mm 643. MAMMOTHL EG 1983.06.30-18:12:40.296 -0.011 mm 0.422 mm 0.422 mm 644. MOJAVE12 7222 NOAM X Comp -2356171171.17 mm -75.168 mm 6.849 mm 6.839 mm 645. MOJAVE12 7222 NOAM Y Comp -4646755787.15 mm 44.847 mm 12.918 mm 12.899 mm 646. MOJAVE12 7222 NOAM Z Comp 3668470591.06 mm 10.056 mm 10.040 mm 10.026 mm MOJAVE12 7222 U Comp 0.92 mm 0.917 mm 17.480 mm 14.452 mm MOJAVE12 7222 E Comp -87.32 mm -87.324 mm 1.873 mm 1.548 mm MOJAVE12 7222 N Comp 11.68 mm 11.676 mm 2.353 mm 1.945 mm 647. MOJAVE12 CL 0 1983.06.29-02:13:40.296 11359.195 ns 0.159 ns 0.159 ns 648. MOJAVE12 CL 1 1983.06.29-02:13:40.296 288.676 D-14 1.657 D-14 1.654 D-14 649. MOJAVE12 CL 2 1983.06.29-02:13:40.296 0.135 D-14/day 0.912 D-14/day 0.910 D-14/day 688. MOJAVE12 AT 0 1983.06.29-02:13:40.296 -92.623 ps 79.277 ps 79.163 ps MOJAVE12 Atm 1983.06.29-21:14:12.480 Avg: -121.622 ps Rms: 56.264 ps Tot_Rms: 134.005 ps || Nat: 141 Dura: 134590.0 sec Tzd_avg: 7151.9 Tzd_rms: 36.5 Wzd_avg: 295.5 Wzd_rms: 40.2 ps Prs_avg: 90072. Pa Tem_avg: 23.4 C Stm_avg: -0.1 C Stm_rms: 2.9 K Spr_avg: -273. Spr_rms: 82. Pa 803. MOJAVE12 NG 1983.06.29-02:12:40.296 -0.019 mm 0.420 mm 0.420 mm 804. MOJAVE12 EG 1983.06.29-02:12:40.296 -0.033 mm 0.419 mm 0.419 mm 805. MOJAVE12 NG 1983.06.29-10:12:40.296 -0.037 mm 0.372 mm 0.372 mm 806. MOJAVE12 EG 1983.06.29-10:12:40.296 -0.009 mm 0.370 mm 0.369 mm 807. MOJAVE12 NG 1983.06.29-18:12:40.296 -0.041 mm 0.369 mm 0.368 mm 808. MOJAVE12 EG 1983.06.29-18:12:40.296 -0.063 mm 0.368 mm 0.368 mm 809. MOJAVE12 NG 1983.06.30-02:12:40.296 0.041 mm 0.368 mm 0.368 mm 810. MOJAVE12 EG 1983.06.30-02:12:40.296 -0.106 mm 0.366 mm 0.365 mm 811. MOJAVE12 NG 1983.06.30-10:12:40.296 0.024 mm 0.372 mm 0.371 mm 812. MOJAVE12 EG 1983.06.30-10:12:40.296 0.048 mm 0.369 mm 0.368 mm 813. MOJAVE12 NG 1983.06.30-18:12:40.296 0.023 mm 0.420 mm 0.419 mm 814. MOJAVE12 EG 1983.06.30-18:12:40.296 0.087 mm 0.418 mm 0.417 mm 815. OVRO_130 7207 NOAM X Comp -2409600922.69 mm -35.688 mm 6.334 mm 6.325 mm 816. OVRO_130 7207 NOAM Y Comp -4478349454.85 mm 9.146 mm 11.780 mm 11.764 mm 817. OVRO_130 7207 NOAM Z Comp 3838603202.80 mm 14.804 mm 9.340 mm 9.326 mm OVRO_130 7207 U Comp 16.01 mm 16.007 mm 16.006 mm 13.234 mm OVRO_130 7207 E Comp -35.76 mm -35.761 mm 1.952 mm 1.614 mm OVRO_130 7207 N Comp 6.43 mm 6.429 mm 2.477 mm 2.048 mm 818. OVRO_130 CL 0 1983.06.29-02:13:40.296 -1225.627 ns 0.472 ns 0.471 ns 819. OVRO_130 CL 1 1983.06.29-02:13:40.296 251.064 D-14 2.035 D-14 2.032 D-14 820. OVRO_130 CL 2 1983.06.29-02:13:40.296 2.481 D-14/day 1.060 D-14/day 1.059 D-14/day 859. OVRO_130 AT 0 1983.06.29-02:13:40.296 -47.945 ps 81.036 ps 80.920 ps OVRO_130 Atm 1983.06.29-21:14:12.480 Avg: -80.338 ps Rms: 32.778 ps Tot_Rms: 86.768 ps || Nat: 106 Dura: 120910.0 sec Tzd_avg: 6951.7 Tzd_rms: 53.2 Wzd_avg: 326.6 Wzd_rms: 53.7 ps Prs_avg: 87099. Pa Tem_avg: 21.3 C Stm_avg: -0.1 C Stm_rms: 3.7 K Spr_avg: -257. Spr_rms: 172. Pa 974. OVRO_130 NG 1983.06.29-02:12:40.296 0.023 mm 0.421 mm 0.421 mm 975. OVRO_130 EG 1983.06.29-02:12:40.296 0.009 mm 0.421 mm 0.420 mm 976. OVRO_130 NG 1983.06.29-10:12:40.296 0.062 mm 0.372 mm 0.371 mm 977. OVRO_130 EG 1983.06.29-10:12:40.296 0.067 mm 0.369 mm 0.368 mm 978. OVRO_130 NG 1983.06.29-18:12:40.296 0.021 mm 0.369 mm 0.368 mm 979. OVRO_130 EG 1983.06.29-18:12:40.296 0.108 mm 0.367 mm 0.367 mm 980. OVRO_130 NG 1983.06.30-02:12:40.296 -0.089 mm 0.369 mm 0.369 mm 981. OVRO_130 EG 1983.06.30-02:12:40.296 -0.017 mm 0.366 mm 0.366 mm 982. OVRO_130 NG 1983.06.30-10:12:40.296 -0.013 mm 0.372 mm 0.371 mm 983. OVRO_130 EG 1983.06.30-10:12:40.296 -0.091 mm 0.368 mm 0.368 mm 984. OVRO_130 NG 1983.06.30-18:12:40.296 -0.010 mm 0.420 mm 0.420 mm 985. OVRO_130 EG 1983.06.30-18:12:40.296 -0.044 mm 0.419 mm 0.418 mm 986. 3C279 J1256-0547 RT. ASC. 12 56 11.16633995 -3.6757 mas 1.5778 mas 1.5756 mas 987. 3C279 J1256-0547 DEC. -05 47 21.52821380 -3.0638 mas 3.0951 mas 3.0907 mas 3C279 J1256-0547 CORREL. 0.9126 Reference date: 2000.01.01-11:59:27 Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 24.12 ps/h NRMS 0.48 share 0.85 count 115 2. HRAS_085 Input 50.00 ps/h RMS 19.54 ps/h NRMS 0.39 share 0.84 count 115 3. JPL_MV1 Input 50.00 ps/h RMS 22.15 ps/h NRMS 0.44 share 0.88 count 115 4. MAMMOTHL Input 50.00 ps/h RMS 8.25 ps/h NRMS 0.16 share 0.96 count 115 5. MOJAVE12 Input 50.00 ps/h RMS 20.56 ps/h NRMS 0.41 share 0.77 count 115 6. OVRO_130 Input 50.00 ps/h RMS 17.98 ps/h NRMS 0.36 share 0.77 count 115 Overall RMS 19.44 ps/h NRMS 0.39 share 0.85 count 690 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.50 count 12 2. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.50 count 12 3. JPL_MV1 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.50 count 12 4. MAMMOTHL Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.51 count 12 5. MOJAVE12 Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.50 count 12 6. OVRO_130 Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.11 share 0.50 count 12 Overall RMS 0.16 mm/d NRMS 0.08 share 0.50 count 72 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 1.86 D-14 NRMS 0.37 share 0.30 count 39 3. JPL_MV1 Input 5.00 D-14 RMS 2.56 D-14 NRMS 0.51 share 0.32 count 39 4. MAMMOTHL Input 5.00 D-14 RMS 2.68 D-14 NRMS 0.54 share 0.71 count 39 5. MOJAVE12 Input 5.00 D-14 RMS 2.61 D-14 NRMS 0.52 share 0.21 count 39 6. OVRO_130 Input 5.00 D-14 RMS 1.49 D-14 NRMS 0.30 share 0.31 count 39 Overall RMS 2.29 D-14 NRMS 0.46 share 0.37 count 195 988. UT1-TAI 1, 1983.06.29-20:55:00.000 -1.2576 ms/d 122.59 micros/d 88.48 micros/d 88.36 micros/d EOP epoch (TDT) MJD: 45514.871900 NUT epoch (TDT) MJD: 45515.020004 989. Nutation DPSI wrt apriori model 1983.06.29-20:55:12.936 -3.046 mas 1478.4 microasec 1476.2 microasec Nutation Dx wrt apriori model 1983.06.29-20:55:12.936 -1.210 mas 586.5 microasec 585.6 microasec Nutation DPSI wrt Wahr 1980 model 1983.06.29-20:55:12.936 -2.654 mas 1478.4 microasec 1476.2 microasec 990. Nutation DEPS wrt apriori model 1983.06.29-20:55:12.936 -0.360 mas 447.0 microasec 446.4 microasec Nutation Dy wrt apriori model 1983.06.29-20:55:12.936 -0.364 mas 449.2 microasec 448.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.06.29-20:55:12.936 -1.097 mas 447.0 microasec 446.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter 6) SRC_COO "Source coordinates " sigma 1.000E-04 rad Corrected Reduced Chi-Square 1.0692 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.06.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to HRAS_085 7216 1933473639.54 6.62 1933473639.54 6.62 63.81 3.79 -8.02 28.69 HATCREEK 7218 to JPL_MV1 7263 789070037.94 5.52 789070037.94 5.52 -184.51 2.84 87.67 36.17 HATCREEK 7218 to MAMMOTHL 7259 414535902.87 10.85 414535902.87 10.85 -62.32 7.30 -88.82 60.10 HATCREEK 7218 to MOJAVE12 7222 729148667.49 4.10 729148667.49 4.10 72.75 2.35 -15.10 26.74 HATCREEK 7218 to OVRO_130 7207 484321529.02 3.82 484321529.02 3.82 32.05 2.29 -26.61 25.30 HRAS_085 7216 to JPL_MV1 7263 1391413621.31 6.42 1391413621.31 6.42 -142.79 4.39 36.60 37.19 HRAS_085 7216 to MAMMOTHL 7259 1580143785.23 11.34 1580143785.23 11.34 75.75 9.42 -93.28 61.01 HRAS_085 7216 to MOJAVE12 7222 1313368159.39 5.01 1313368159.39 5.01 -23.21 2.95 -7.15 26.01 HRAS_085 7216 to OVRO_130 7207 1508195397.59 5.34 1508195397.59 5.34 2.67 3.03 -24.36 24.64 JPL_MV1 7263 to MOJAVE12 7222 171686409.38 2.92 171686409.38 2.92 -381.55 3.86 -83.41 33.00 JPL_MV1 7263 to OVRO_130 7207 335941413.34 4.20 335941413.34 4.20 -286.29 2.64 -103.22 32.04 MAMMOTHL 7259 to MOJAVE12 7222 315785212.53 9.75 315785212.53 9.75 130.55 7.45 76.67 60.09 MAMMOTHL 7259 to OVRO_130 7207 74255493.48 9.06 74255493.48 9.06 82.82 8.35 63.60 59.35 MOJAVE12 7222 to OVRO_130 7207 245276449.51 2.52 245276449.51 2.52 42.23 1.34 -13.55 17.62 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:33 Correlator type: Unknown Experiment code: pol118 Mark-3 db_name: $83JUL05X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830705_a Ver 2 pol118 Matrix Condition Number = 1.316545406124746E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.3 3.9 840.9 0.7 40.8 14.5 WESTFORD MET 20.7 3.3 1004.3 1.5 50.4 4.8 Run 26091-1740 207 Observation Pairs Available Session started on: 2445521.250800 1983.07.05 18:01:09.120 UTC Nominal duration: 94495.680 sec 01 02:14:55.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 147 66.490 ps 0.86 1.0181 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 151 Number of potentially good observations with QC 5-9: 151 Number of used observations: 147 ( 97.35%) Number of suppressed observations: 4 ( 2.65%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 147 151 66.490 0.86 19830705_a pol118 1983.07.06-07:08:36.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 6 6 8 40.674 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 0212+735 J0217+7349 9 10 14 150.504 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 0234+285 J0237+2848 12 12 14 87.363 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 0552+398 J0555+3948 14 14 17 78.306 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 1637+574 J1638+5720 4 4 22 135.780 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 2134+00 J2136+0041 11 11 13 54.834 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 3C273B J1229+0203 8 11 13 38.061 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 3C345 J1642+3948 16 16 17 38.464 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 3C454.3 J2253+1608 10 10 10 21.610 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: 4C39.25 J0927+3902 10 10 19 69.589 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: NRAO150 J0359+5057 17 17 19 86.502 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: OJ287 J0854+2006 11 11 16 75.067 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: OQ208 J1407+2827 9 9 15 129.309 19830705_a pol118 1983.07.06-07:08:36.960 SRC_STAT: VR422201 J2202+4216 10 10 10 58.591 19830705_a pol118 1983.07.06-07:08:36.960 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.07.06-07:08:04 1. HRAS_085 7216 NOAM X Comp -1324211065.05 mm -48.047 mm 4.960 mm 5.005 mm 2. HRAS_085 7216 NOAM Y Comp -5332023135.91 mm -53.908 mm 18.986 mm 19.157 mm 3. HRAS_085 7216 NOAM Z Comp 3232118406.34 mm 99.342 mm 14.528 mm 14.659 mm HRAS_085 7216 U Comp 105.60 mm 105.604 mm 23.319 mm 20.047 mm HRAS_085 7216 E Comp -33.64 mm -33.637 mm 5.292 mm 4.550 mm HRAS_085 7216 N Comp 52.91 mm 52.913 mm 4.933 mm 4.241 mm 4. HRAS_085 CL 0 1983.07.05-18:00:36.936 -7564.333 ns 0.213 ns 0.215 ns 5. HRAS_085 CL 1 1983.07.05-18:00:36.936 -292.429 D-14 2.000 D-14 2.018 D-14 6. HRAS_085 CL 2 1983.07.05-18:00:36.936 0.423 D-14/day 1.592 D-14/day 1.606 D-14/day 34. HRAS_085 AT 0 1983.07.05-18:00:36.936 -20.758 ps 47.939 ps 48.372 ps HRAS_085 Atm 1983.07.06-07:31:09.120 Avg: -15.444 ps Rms: 36.436 ps Tot_Rms: 39.574 ps || Nat: 207 Dura: 94490.0 sec Tzd_avg: 6888.9 Tzd_rms: 19.5 Wzd_avg: 480.6 Wzd_rms: 19.1 ps Prs_avg: 84088. Pa Tem_avg: 19.3 C Stm_avg: -2.1 C Stm_rms: 0.9 K Spr_avg: -394. Spr_rms: 49. Pa 116. HRAS_085 NG 1983.07.05-17:59:36.936 -0.018 mm 0.422 mm 0.426 mm 117. HRAS_085 EG 1983.07.05-17:59:36.936 -0.001 mm 0.422 mm 0.426 mm 118. HRAS_085 NG 1983.07.06-01:59:36.936 0.007 mm 0.377 mm 0.380 mm 119. HRAS_085 EG 1983.07.06-01:59:36.936 0.014 mm 0.377 mm 0.380 mm 120. HRAS_085 NG 1983.07.06-09:59:36.936 0.003 mm 0.377 mm 0.380 mm 121. HRAS_085 EG 1983.07.06-09:59:36.936 0.016 mm 0.377 mm 0.380 mm 122. HRAS_085 NG 1983.07.06-17:59:36.936 -0.023 mm 0.422 mm 0.426 mm 123. HRAS_085 EG 1983.07.06-17:59:36.936 -0.032 mm 0.422 mm 0.426 mm 124. WESTFORD 7209 NOAM X Comp 1492206591.05 mm 48.047 mm 4.960 mm 5.005 mm 125. WESTFORD 7209 NOAM Y Comp -4458130468.09 mm 53.908 mm 18.986 mm 19.157 mm 126. WESTFORD 7209 NOAM Z Comp 4296015447.66 mm -99.342 mm 14.528 mm 14.659 mm WESTFORD 7209 U Comp -93.66 mm -93.657 mm 22.415 mm 19.270 mm WESTFORD 7209 E Comp 62.67 mm 62.674 mm 8.897 mm 7.649 mm WESTFORD 7209 N Comp -48.82 mm -48.825 mm 3.812 mm 3.277 mm 127. WESTFORD AT 0 1983.07.05-18:00:36.936 104.453 ps 40.271 ps 40.634 ps WESTFORD Atm 1983.07.06-07:31:09.120 Avg: -0.884 ps Rms: 65.923 ps Tot_Rms: 65.929 ps || Nat: 207 Dura: 94490.0 sec Tzd_avg: 8379.8 Tzd_rms: 135.8 Wzd_avg: 835.6 Wzd_rms: 149.6 ps Prs_avg: 100426. Pa Tem_avg: 20.7 C Stm_avg: -0.9 C Stm_rms: 1.7 K Spr_avg: 694. Spr_rms: 79. Pa 209. WESTFORD NG 1983.07.05-17:59:36.936 0.007 mm 0.422 mm 0.426 mm 210. WESTFORD EG 1983.07.05-17:59:36.936 0.005 mm 0.422 mm 0.426 mm 211. WESTFORD NG 1983.07.06-01:59:36.936 -0.013 mm 0.377 mm 0.380 mm 212. WESTFORD EG 1983.07.06-01:59:36.936 -0.021 mm 0.377 mm 0.380 mm 213. WESTFORD NG 1983.07.06-09:59:36.936 -0.026 mm 0.377 mm 0.380 mm 214. WESTFORD EG 1983.07.06-09:59:36.936 -0.036 mm 0.377 mm 0.380 mm 215. WESTFORD NG 1983.07.06-17:59:36.936 -0.019 mm 0.422 mm 0.426 mm 216. WESTFORD EG 1983.07.06-17:59:36.936 0.022 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.60 ps/h NRMS 0.21 share 0.93 count 82 2. WESTFORD Input 50.00 ps/h RMS 20.49 ps/h NRMS 0.41 share 0.90 count 82 Overall RMS 16.31 ps/h NRMS 0.33 share 0.91 count 164 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.54 D-14 NRMS 0.71 share 0.35 count 28 Overall RMS 3.54 D-14 NRMS 0.71 share 0.35 count 28 217. UT1-TAI 1, 1983.07.06-07:08:00.000 -1.5754 ms/d -14.49 micros/d 144.88 micros/d 146.19 micros/d EOP epoch (TDT) MJD: 45521.297595 NUT epoch (TDT) MJD: 45521.275196 218. Nutation DPSI wrt apriori model 1983.07.06-07:08:04.776 -1.880 mas 2189.5 microasec 2209.3 microasec Nutation Dx wrt apriori model 1983.07.06-07:08:04.776 -0.751 mas 867.7 microasec 875.6 microasec Nutation DPSI wrt Wahr 1980 model 1983.07.06-07:08:04.776 -3.582 mas 2189.5 microasec 2209.3 microasec 219. Nutation DEPS wrt apriori model 1983.07.06-07:08:04.776 0.835 mas 889.5 microasec 897.5 microasec Nutation Dy wrt apriori model 1983.07.06-07:08:04.776 0.832 mas 892.7 microasec 900.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.07.06-07:08:04.776 0.424 mas 889.5 microasec 897.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1281 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.07.06 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928025.16 10.93 3134928025.16 10.93 125.88 6.82 205.16 47.10 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:36 Correlator type: Unknown Experiment code: pol119 Mark-3 db_name: $83JUL11X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830711_a Ver 2 pol119 Matrix Condition Number = 1.331353781281720E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.3 3.4 838.2 1.5 31.7 2.6 WESTFORD MET 19.9 2.0 1009.3 0.5 17.4 9.2 Run 26091-1740 220 Observation Pairs Available Session started on: 2445527.234900 1983.07.11 17:38:15.360 UTC Nominal duration: 86875.200 sec 01 00:07:55.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 178 71.011 ps 0.87 1.0091 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 185 Number of potentially good observations with QC 5-9: 185 Number of used observations: 178 ( 96.22%) Number of suppressed observations: 7 ( 3.78%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 178 185 71.011 0.87 19830711_a pol119 1983.07.12-05:42:12.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 11 72.874 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 0212+735 J0217+7349 10 10 14 133.313 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 0234+285 J0237+2848 15 15 16 75.760 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 0552+398 J0555+3948 17 18 18 84.830 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 1637+574 J1638+5720 12 12 22 114.676 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 2134+00 J2136+0041 6 7 12 68.830 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 3C273B J1229+0203 13 14 14 50.076 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 3C345 J1642+3948 17 17 19 44.273 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 3C454.3 J2253+1608 13 13 13 48.890 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: 4C39.25 J0927+3902 8 8 17 67.513 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: NRAO150 J0359+5057 19 19 19 95.642 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: OJ287 J0854+2006 10 14 14 28.480 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: OQ208 J1407+2827 16 16 18 119.012 19830711_a pol119 1983.07.12-05:42:12.960 SRC_STAT: VR422201 J2202+4216 12 12 13 56.094 19830711_a pol119 1983.07.12-05:42:12.960 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.07.12-05:41:40 1. HRAS_085 7216 NOAM X Comp -1324211053.55 mm -36.555 mm 5.113 mm 5.136 mm 2. HRAS_085 7216 NOAM Y Comp -5332023138.24 mm -56.242 mm 19.395 mm 19.483 mm 3. HRAS_085 7216 NOAM Z Comp 3232118389.17 mm 82.171 mm 14.087 mm 14.151 mm HRAS_085 7216 U Comp 96.42 mm 96.419 mm 23.657 mm 20.654 mm HRAS_085 7216 E Comp -21.92 mm -21.921 mm 4.719 mm 4.120 mm HRAS_085 7216 N Comp 38.40 mm 38.395 mm 4.338 mm 3.787 mm 4. HRAS_085 CL 0 1983.07.11-17:37:43.176 -9041.009 ns 0.222 ns 0.223 ns 5. HRAS_085 CL 1 1983.07.11-17:37:43.176 -328.104 D-14 2.127 D-14 2.136 D-14 6. HRAS_085 CL 2 1983.07.11-17:37:43.176 4.922 D-14/day 1.842 D-14/day 1.851 D-14/day 32. HRAS_085 AT 0 1983.07.11-17:37:43.176 75.663 ps 51.522 ps 51.756 ps HRAS_085 Atm 1983.07.12-06:08:15.360 Avg: 82.768 ps Rms: 18.160 ps Tot_Rms: 84.737 ps || Nat: 220 Dura: 86880.0 sec Tzd_avg: 6771.8 Tzd_rms: 33.3 Wzd_avg: 381.6 Wzd_rms: 42.3 ps Prs_avg: 83821. Pa Tem_avg: 17.3 C Stm_avg: -3.6 C Stm_rms: 2.5 K Spr_avg: -380. Spr_rms: 46. Pa 108. HRAS_085 NG 1983.07.11-17:36:43.176 -0.001 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1983.07.11-17:36:43.176 0.013 mm 0.422 mm 0.424 mm 110. HRAS_085 NG 1983.07.12-01:36:43.176 -0.013 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1983.07.12-01:36:43.176 -0.007 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1983.07.12-09:36:43.176 -0.013 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1983.07.12-09:36:43.176 -0.011 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1983.07.12-17:36:43.176 0.006 mm 0.422 mm 0.424 mm 115. HRAS_085 EG 1983.07.12-17:36:43.176 0.027 mm 0.422 mm 0.424 mm 116. WESTFORD 7209 NOAM X Comp 1492206579.55 mm 36.555 mm 5.113 mm 5.136 mm 117. WESTFORD 7209 NOAM Y Comp -4458130465.76 mm 56.242 mm 19.395 mm 19.483 mm 118. WESTFORD 7209 NOAM Z Comp 4296015464.83 mm -82.171 mm 14.087 mm 14.151 mm WESTFORD 7209 U Comp -86.34 mm -86.345 mm 22.205 mm 19.387 mm WESTFORD 7209 E Comp 52.52 mm 52.516 mm 9.620 mm 8.399 mm WESTFORD 7209 N Comp -32.22 mm -32.219 mm 3.890 mm 3.396 mm 119. WESTFORD AT 0 1983.07.11-17:37:43.176 -55.144 ps 39.123 ps 39.301 ps WESTFORD Atm 1983.07.12-06:08:15.360 Avg: 44.849 ps Rms: 54.963 ps Tot_Rms: 70.940 ps || Nat: 220 Dura: 86880.0 sec Tzd_avg: 8232.2 Tzd_rms: 42.1 Wzd_avg: 644.8 Wzd_rms: 47.3 ps Prs_avg: 100931. Pa Tem_avg: 19.9 C Stm_avg: -0.9 C Stm_rms: 1.8 K Spr_avg: 720. Spr_rms: 46. Pa 195. WESTFORD NG 1983.07.11-17:36:43.176 0.010 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1983.07.11-17:36:43.176 -0.015 mm 0.422 mm 0.424 mm 197. WESTFORD NG 1983.07.12-01:36:43.176 0.010 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1983.07.12-01:36:43.176 0.019 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1983.07.12-09:36:43.176 0.002 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1983.07.12-09:36:43.176 0.029 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1983.07.12-17:36:43.176 0.006 mm 0.422 mm 0.424 mm 202. WESTFORD EG 1983.07.12-17:36:43.176 -0.005 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.94 ps/h NRMS 0.22 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 19.72 ps/h NRMS 0.39 share 0.86 count 76 Overall RMS 15.94 ps/h NRMS 0.32 share 0.89 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.60 D-14 NRMS 0.52 share 0.28 count 26 Overall RMS 2.60 D-14 NRMS 0.52 share 0.28 count 26 203. UT1-TAI 1, 1983.07.12-05:42:00.000 -1.5576 ms/d -322.82 micros/d 210.95 micros/d 211.91 micros/d EOP epoch (TDT) MJD: 45527.237872 NUT epoch (TDT) MJD: 45527.227081 204. Nutation DPSI wrt apriori model 1983.07.12-05:41:40.776 0.570 mas 2223.0 microasec 2233.1 microasec Nutation Dx wrt apriori model 1983.07.12-05:41:40.776 0.231 mas 880.7 microasec 884.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.07.12-05:41:40.776 -1.097 mas 2223.0 microasec 2233.1 microasec 205. Nutation DEPS wrt apriori model 1983.07.12-05:41:40.776 -1.176 mas 980.6 microasec 985.0 microasec Nutation Dy wrt apriori model 1983.07.12-05:41:40.776 -1.175 mas 983.8 microasec 988.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.07.12-05:41:40.776 -2.021 mas 980.6 microasec 985.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0937 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.07.12 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928017.47 11.10 3134928017.47 11.10 88.67 6.89 188.26 47.25 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:39 Correlator type: Unknown Experiment code: pol121 Mark-3 db_name: $83JUL25X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830725_a Ver 2 pol121 Matrix Condition Number = 8.088564367981891E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 22.3 3.5 837.5 0.6 28.8 0.6 MOJAVE12 MET 24.7 5.9 908.2 0.7 21.1 4.6 WESTFORD MET 21.6 2.7 1000.1 1.1 20.2 3.3 Run 26091-1740 589 Observation Pairs Available Session started on: 2445541.237500 1983.07.25 17:42:-0.000 UTC Nominal duration: 87194.880 sec 01 00:13:14.880 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 462 48.631 ps 0.91 1.0174 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 472 Number of potentially good observations with QC 5-9: 472 Number of used observations: 462 ( 97.88%) Number of suppressed observations: 10 ( 2.12%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 172 178 32.266 0.87 19830725_a pol121 1983.07.26-05:48:37.4 BAS_STAT HRAS_085 WESTFORD 161 163 77.643 0.92 19830725_a pol121 1983.07.26-05:48:37.4 BAS_STAT MOJAVE12 WESTFORD 129 131 88.893 0.95 19830725_a pol121 1983.07.26-05:48:37.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 28 28 31 69.169 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 0212+735 J0217+7349 25 25 38 116.732 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 0234+285 J0237+2848 38 38 41 55.100 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 0552+398 J0555+3948 42 44 46 56.261 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 1637+574 J1638+5720 36 36 60 108.633 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 2134+00 J2136+0041 16 16 27 32.373 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 3C273B J1229+0203 33 34 37 25.003 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 3C345 J1642+3948 53 53 55 33.133 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 3C454.3 J2253+1608 33 33 37 37.901 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: 4C39.25 J0927+3902 28 28 46 38.999 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: NRAO150 J0359+5057 38 38 50 52.861 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: OJ287 J0854+2006 21 27 33 47.025 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: OQ208 J1407+2827 41 41 52 97.938 19830725_a pol121 1983.07.26-05:48:37.440 SRC_STAT: VR422201 J2202+4216 30 31 36 40.507 19830725_a pol121 1983.07.26-05:48:37.440 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.07.26-05:48:05 1. HRAS_085 7216 NOAM X Comp -1324211071.76 mm -54.759 mm 4.280 mm 4.317 mm 2. HRAS_085 7216 NOAM Y Comp -5332023117.82 mm -35.819 mm 16.110 mm 16.249 mm 3. HRAS_085 7216 NOAM Z Comp 3232118396.47 mm 89.474 mm 10.998 mm 11.093 mm HRAS_085 7216 U Comp 86.86 mm 86.862 mm 19.215 mm 17.475 mm HRAS_085 7216 E Comp -44.51 mm -44.511 mm 4.364 mm 3.969 mm HRAS_085 7216 N Comp 52.54 mm 52.544 mm 3.243 mm 2.949 mm 4. HRAS_085 CL 0 1983.07.25-17:41:27.816 -2076.451 ns 0.242 ns 0.244 ns 5. HRAS_085 CL 1 1983.07.25-17:41:27.816 34.354 D-14 2.099 D-14 2.117 D-14 6. HRAS_085 CL 2 1983.07.25-17:41:27.816 8.523 D-14/day 1.778 D-14/day 1.793 D-14/day 32. HRAS_085 AT 0 1983.07.25-17:41:27.816 -13.396 ps 35.500 ps 35.807 ps HRAS_085 Atm 1983.07.26-06:12:00.000 Avg: -31.591 ps Rms: 19.024 ps Tot_Rms: 36.877 ps || Nat: 219 Dura: 87190.0 sec Tzd_avg: 6924.2 Tzd_rms: 20.5 Wzd_avg: 541.2 Wzd_rms: 19.7 ps Prs_avg: 83759. Pa Tem_avg: 22.3 C Stm_avg: -2.6 C Stm_rms: 1.7 K Spr_avg: -417. Spr_rms: 22. Pa 108. HRAS_085 NG 1983.07.25-17:40:27.816 -0.074 mm 0.421 mm 0.425 mm 109. HRAS_085 EG 1983.07.25-17:40:27.816 -0.003 mm 0.421 mm 0.424 mm 110. HRAS_085 NG 1983.07.26-01:40:27.816 -0.031 mm 0.376 mm 0.379 mm 111. HRAS_085 EG 1983.07.26-01:40:27.816 -0.068 mm 0.375 mm 0.379 mm 112. HRAS_085 NG 1983.07.26-09:40:27.816 0.042 mm 0.375 mm 0.379 mm 113. HRAS_085 EG 1983.07.26-09:40:27.816 0.023 mm 0.375 mm 0.379 mm 114. HRAS_085 NG 1983.07.26-17:40:27.816 0.062 mm 0.422 mm 0.425 mm 115. HRAS_085 EG 1983.07.26-17:40:27.816 0.031 mm 0.420 mm 0.424 mm 116. MOJAVE12 7222 NOAM X Comp -2356171079.01 mm 16.991 mm 4.908 mm 4.950 mm 117. MOJAVE12 7222 NOAM Y Comp -4646755869.31 mm -37.314 mm 12.422 mm 12.529 mm 118. MOJAVE12 7222 NOAM Z Comp 3668470593.54 mm 12.543 mm 10.066 mm 10.154 mm MOJAVE12 7222 U Comp 28.14 mm 28.135 mm 15.430 mm 14.033 mm MOJAVE12 7222 E Comp 32.03 mm 32.029 mm 5.504 mm 5.006 mm MOJAVE12 7222 N Comp -4.57 mm -4.569 mm 3.366 mm 3.061 mm 119. MOJAVE12 CL 0 1983.07.25-17:41:27.816 1762.645 ns 0.400 ns 0.403 ns 120. MOJAVE12 CL 1 1983.07.25-17:41:27.816 -146.795 D-14 2.486 D-14 2.507 D-14 121. MOJAVE12 CL 2 1983.07.25-17:41:27.816 3.247 D-14/day 2.015 D-14/day 2.032 D-14/day 147. MOJAVE12 AT 0 1983.07.25-17:41:27.816 -26.095 ps 60.560 ps 61.085 ps MOJAVE12 Atm 1983.07.26-06:12:00.000 Avg: -7.431 ps Rms: 14.218 ps Tot_Rms: 16.043 ps || Nat: 188 Dura: 79200.0 sec Tzd_avg: 7034.1 Tzd_rms: 33.2 Wzd_avg: 145.9 Wzd_rms: 31.4 ps Prs_avg: 90825. Pa Tem_avg: 24.7 C Stm_avg: -0.7 C Stm_rms: 2.6 K Spr_avg: 128. Spr_rms: 31. Pa 223. MOJAVE12 NG 1983.07.25-17:40:27.816 0.051 mm 0.422 mm 0.425 mm 224. MOJAVE12 EG 1983.07.25-17:40:27.816 -0.001 mm 0.421 mm 0.425 mm 225. MOJAVE12 NG 1983.07.26-01:40:27.816 0.036 mm 0.376 mm 0.380 mm 226. MOJAVE12 EG 1983.07.26-01:40:27.816 0.037 mm 0.376 mm 0.379 mm 227. MOJAVE12 NG 1983.07.26-09:40:27.816 -0.010 mm 0.376 mm 0.379 mm 228. MOJAVE12 EG 1983.07.26-09:40:27.816 -0.039 mm 0.376 mm 0.379 mm 229. MOJAVE12 NG 1983.07.26-17:40:27.816 -0.021 mm 0.421 mm 0.425 mm 230. MOJAVE12 EG 1983.07.26-17:40:27.816 -0.046 mm 0.421 mm 0.424 mm 231. WESTFORD 7209 NOAM X Comp 1492206580.77 mm 37.768 mm 5.586 mm 5.634 mm 232. WESTFORD 7209 NOAM Y Comp -4458130448.87 mm 73.133 mm 20.257 mm 20.433 mm 233. WESTFORD 7209 NOAM Z Comp 4296015444.98 mm -102.018 mm 16.535 mm 16.678 mm WESTFORD 7209 U Comp -111.29 mm -111.286 mm 25.240 mm 22.954 mm WESTFORD 7209 E Comp 59.03 mm 59.028 mm 7.792 mm 7.086 mm WESTFORD 7209 N Comp -36.24 mm -36.242 mm 4.147 mm 3.771 mm 234. WESTFORD AT 0 1983.07.25-17:41:27.816 -124.154 ps 73.716 ps 74.355 ps WESTFORD Atm 1983.07.26-06:12:00.000 Avg: -87.475 ps Rms: 45.923 ps Tot_Rms: 98.797 ps || Nat: 221 Dura: 87190.0 sec Tzd_avg: 8102.2 Tzd_rms: 50.7 Wzd_avg: 542.0 Wzd_rms: 61.0 ps Prs_avg: 100006. Pa Tem_avg: 21.6 C Stm_avg: 0.8 C Stm_rms: 1.5 K Spr_avg: 193. Spr_rms: 44. Pa 310. WESTFORD NG 1983.07.25-17:40:27.816 0.018 mm 0.422 mm 0.426 mm 311. WESTFORD EG 1983.07.25-17:40:27.816 -0.006 mm 0.422 mm 0.426 mm 312. WESTFORD NG 1983.07.26-01:40:27.816 -0.003 mm 0.377 mm 0.380 mm 313. WESTFORD EG 1983.07.26-01:40:27.816 0.011 mm 0.377 mm 0.380 mm 314. WESTFORD NG 1983.07.26-09:40:27.816 -0.031 mm 0.377 mm 0.380 mm 315. WESTFORD EG 1983.07.26-09:40:27.816 0.005 mm 0.377 mm 0.380 mm 316. WESTFORD NG 1983.07.26-17:40:27.816 -0.025 mm 0.422 mm 0.426 mm 317. WESTFORD EG 1983.07.26-17:40:27.816 0.002 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 19.02 ps/h NRMS 0.38 share 0.83 count 76 2. MOJAVE12 Input 50.00 ps/h RMS 14.38 ps/h NRMS 0.29 share 0.82 count 76 3. WESTFORD Input 50.00 ps/h RMS 17.58 ps/h NRMS 0.35 share 0.88 count 76 Overall RMS 17.10 ps/h NRMS 0.34 share 0.85 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.13 mm/d NRMS 0.06 share 0.53 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.57 D-14 NRMS 0.71 share 0.24 count 26 2. MOJAVE12 Input 5.00 D-14 RMS 2.17 D-14 NRMS 0.43 share 0.30 count 26 Overall RMS 2.95 D-14 NRMS 0.59 share 0.27 count 52 318. UT1-TAI 1, 1983.07.26-05:48:00.000 -1.1360 ms/d 37.67 micros/d 177.57 micros/d 179.11 micros/d EOP epoch (TDT) MJD: 45541.242039 NUT epoch (TDT) MJD: 45541.257263 319. Nutation DPSI wrt apriori model 1983.07.26-05:48:05.256 -1.971 mas 1558.7 microasec 1572.2 microasec Nutation Dx wrt apriori model 1983.07.26-05:48:05.256 -0.786 mas 617.8 microasec 623.2 microasec Nutation DPSI wrt Wahr 1980 model 1983.07.26-05:48:05.256 -5.583 mas 1558.7 microasec 1572.2 microasec 320. Nutation DEPS wrt apriori model 1983.07.26-05:48:05.256 0.395 mas 609.2 microasec 614.4 microasec Nutation Dy wrt apriori model 1983.07.26-05:48:05.256 0.392 mas 611.4 microasec 616.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.07.26-05:48:05.256 -0.390 mas 609.2 microasec 614.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0569 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.07.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368150.34 4.74 1313368150.34 4.74 -20.59 3.05 61.67 24.70 HRAS_085 7216 to WESTFORD 7209 3134928024.71 9.18 3134928024.71 9.18 118.55 6.00 201.73 42.75 MOJAVE12 7222 to WESTFORD 7209 3903767757.19 9.98 3903767757.19 9.98 14.79 6.40 159.63 38.08 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:42 Correlator type: Unknown Experiment code: pol122 Mark-3 db_name: $83AUG01X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830801_a Ver 2 pol122 Matrix Condition Number = 2.506766264820451E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.8 4.6 840.9 1.1 35.0 2.0 WESTFORD MET 23.8 2.6 1003.7 0.5 28.6 2.7 Run 26091-1740 213 Observation Pairs Available Session started on: 2445548.218100 1983.08.01 17:14:03.840 UTC Nominal duration: 87186.240 sec 01 00:13:06.240 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 135 76.144 ps 0.87 1.0172 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 137 Number of potentially good observations with QC 5-9: 137 Number of used observations: 135 ( 98.54%) Number of suppressed observations: 2 ( 1.46%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 135 137 76.144 0.87 19830801_a pol122 1983.08.02-05:20:36.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 11 98.145 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 0212+735 J0217+7349 3 3 14 71.286 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 0234+285 J0237+2848 13 13 15 91.179 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 0552+398 J0555+3948 13 13 15 63.678 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 1637+574 J1638+5720 6 6 22 205.932 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 2134+00 J2136+0041 7 8 13 84.458 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 3C273B J1229+0203 12 12 14 42.898 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 3C345 J1642+3948 18 18 19 45.710 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 3C454.3 J2253+1608 10 10 11 89.049 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: 4C39.25 J0927+3902 5 5 17 168.484 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: NRAO150 J0359+5057 17 17 18 90.473 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: OJ287 J0854+2006 1 2 15 8.053 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: OQ208 J1407+2827 10 10 16 131.603 19830801_a pol122 1983.08.02-05:20:36.960 SRC_STAT: VR422201 J2202+4216 10 10 13 41.304 19830801_a pol122 1983.08.02-05:20:36.960 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.02-05:20:04 1. HRAS_085 7216 NOAM X Comp -1324211064.29 mm -47.292 mm 6.681 mm 6.738 mm 2. HRAS_085 7216 NOAM Y Comp -5332023116.81 mm -34.811 mm 25.919 mm 26.142 mm 3. HRAS_085 7216 NOAM Z Comp 3232118387.40 mm 80.401 mm 20.413 mm 20.589 mm HRAS_085 7216 U Comp 79.85 mm 79.848 mm 31.803 mm 27.537 mm HRAS_085 7216 E Comp -37.51 mm -37.507 mm 8.621 mm 7.465 mm HRAS_085 7216 N Comp 46.15 mm 46.154 mm 6.886 mm 5.962 mm 4. HRAS_085 CL 0 1983.08.01-17:13:31.656 -1748.050 ns 0.395 ns 0.399 ns 5. HRAS_085 CL 1 1983.08.01-17:13:31.656 52.400 D-14 2.259 D-14 2.278 D-14 6. HRAS_085 CL 2 1983.08.01-17:13:31.656 8.826 D-14/day 1.906 D-14/day 1.922 D-14/day 32. HRAS_085 AT 0 1983.08.01-17:13:31.656 -53.415 ps 51.548 ps 51.991 ps HRAS_085 Atm 1983.08.02-05:44:03.840 Avg: 34.754 ps Rms: 37.217 ps Tot_Rms: 50.921 ps || Nat: 213 Dura: 87190.0 sec Tzd_avg: 6922.7 Tzd_rms: 48.9 Wzd_avg: 516.4 Wzd_rms: 55.5 ps Prs_avg: 84090. Pa Tem_avg: 19.8 C Stm_avg: -2.6 C Stm_rms: 1.8 K Spr_avg: -383. Spr_rms: 33. Pa 108. HRAS_085 NG 1983.08.01-17:12:31.656 -0.001 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1983.08.01-17:12:31.656 0.007 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1983.08.02-01:12:31.656 -0.008 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1983.08.02-01:12:31.656 0.002 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1983.08.02-09:12:31.656 -0.006 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1983.08.02-09:12:31.656 0.008 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1983.08.02-17:12:31.656 0.002 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1983.08.02-17:12:31.656 0.014 mm 0.422 mm 0.426 mm 116. WESTFORD 7209 NOAM X Comp 1492206590.29 mm 47.292 mm 6.681 mm 6.738 mm 117. WESTFORD 7209 NOAM Y Comp -4458130487.19 mm 34.811 mm 25.919 mm 26.142 mm 118. WESTFORD 7209 NOAM Z Comp 4296015466.60 mm -80.401 mm 20.413 mm 20.589 mm WESTFORD 7209 U Comp -67.68 mm -67.682 mm 31.435 mm 27.218 mm WESTFORD 7209 E Comp 55.90 mm 55.895 mm 10.794 mm 9.346 mm WESTFORD 7209 N Comp -46.98 mm -46.984 mm 5.336 mm 4.620 mm 119. WESTFORD AT 0 1983.08.01-17:13:31.656 -41.828 ps 93.256 ps 94.057 ps WESTFORD Atm 1983.08.02-05:44:03.840 Avg: -45.100 ps Rms: 16.740 ps Tot_Rms: 48.106 ps || Nat: 213 Dura: 87190.0 sec Tzd_avg: 8402.5 Tzd_rms: 129.2 Wzd_avg: 825.4 Wzd_rms: 135.5 ps Prs_avg: 100366. Pa Tem_avg: 23.8 C Stm_avg: -1.1 C Stm_rms: 1.9 K Spr_avg: 202. Spr_rms: 23. Pa 195. WESTFORD NG 1983.08.01-17:12:31.656 0.000 mm 0.422 mm 0.426 mm 196. WESTFORD EG 1983.08.01-17:12:31.656 -0.003 mm 0.422 mm 0.426 mm 197. WESTFORD NG 1983.08.02-01:12:31.656 0.007 mm 0.377 mm 0.380 mm 198. WESTFORD EG 1983.08.02-01:12:31.656 0.008 mm 0.377 mm 0.380 mm 199. WESTFORD NG 1983.08.02-09:12:31.656 -0.005 mm 0.377 mm 0.380 mm 200. WESTFORD EG 1983.08.02-09:12:31.656 0.008 mm 0.377 mm 0.380 mm 201. WESTFORD NG 1983.08.02-17:12:31.656 -0.006 mm 0.422 mm 0.426 mm 202. WESTFORD EG 1983.08.02-17:12:31.656 0.001 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.87 ps/h NRMS 0.22 share 0.94 count 76 2. WESTFORD Input 50.00 ps/h RMS 12.27 ps/h NRMS 0.25 share 0.93 count 76 Overall RMS 11.59 ps/h NRMS 0.23 share 0.93 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.91 D-14 NRMS 0.78 share 0.35 count 26 Overall RMS 3.91 D-14 NRMS 0.78 share 0.35 count 26 203. UT1-TAI 1, 1983.08.02-05:20:00.000 -1.7182 ms/d 62.53 micros/d 403.70 micros/d 407.17 micros/d EOP epoch (TDT) MJD: 45548.222595 NUT epoch (TDT) MJD: 45548.234026 204. Nutation DPSI wrt apriori model 1983.08.02-05:20:04.776 -11.166 mas 3085.0 microasec 3111.5 microasec Nutation Dx wrt apriori model 1983.08.02-05:20:04.776 -4.450 mas 1221.3 microasec 1231.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.02-05:20:04.776 -16.084 mas 3085.0 microasec 3111.5 microasec 205. Nutation DEPS wrt apriori model 1983.08.02-05:20:04.776 2.331 mas 1620.5 microasec 1634.4 microasec Nutation Dy wrt apriori model 1983.08.02-05:20:04.776 2.315 mas 1625.0 microasec 1639.0 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.02-05:20:04.776 1.874 mas 1620.5 microasec 1634.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1360 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928026.01 13.49 3134928026.01 13.49 118.83 10.34 151.82 65.14 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:45 Correlator type: Unknown Experiment code: pol123 Mark-3 db_name: $83AUG08X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830808_a Ver 2 pol123 Matrix Condition Number = 1.464765205637177E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.3 3.4 837.2 1.1 88.5 34.7 MOJAVE12 MET 28.3 3.7 907.3 1.3 35.3 18.6 WESTFORD MET 26.2 2.7 996.4 1.3 17.2 1.6 Run 26091-1740 568 Observation Pairs Available Session started on: 2445555.246600 1983.08.08 17:55:06.240 UTC Nominal duration: 91437.120 sec 01 01:23:57.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 416 40.543 ps 0.88 0.9776 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 428 Number of potentially good observations with QC 5-9: 428 Number of used observations: 416 ( 97.20%) Number of suppressed observations: 12 ( 2.80%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 156 162 23.892 0.80 19830808_a pol123 1983.08.09-06:37:04.8 BAS_STAT HRAS_085 WESTFORD 144 147 96.906 0.93 19830808_a pol123 1983.08.09-06:37:04.8 BAS_STAT MOJAVE12 WESTFORD 116 119 96.875 0.94 19830808_a pol123 1983.08.09-06:37:04.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 27 74.936 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 0212+735 J0217+7349 22 23 36 108.808 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 0234+285 J0237+2848 37 37 43 67.003 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 0552+398 J0555+3948 47 47 49 46.444 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 1637+574 J1638+5720 38 38 60 108.327 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 2134+00 J2136+0041 22 22 33 27.315 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 3C273B J1229+0203 23 24 27 22.786 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 3C345 J1642+3948 50 52 52 22.297 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 3C454.3 J2253+1608 29 31 34 27.587 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: 4C39.25 J0927+3902 27 29 45 32.689 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: NRAO150 J0359+5057 39 39 55 51.279 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: OJ287 J0854+2006 6 10 32 48.541 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: OQ208 J1407+2827 33 33 41 76.203 19830808_a pol123 1983.08.09-06:37:04.800 SRC_STAT: VR422201 J2202+4216 26 26 34 37.074 19830808_a pol123 1983.08.09-06:37:04.800 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.09-06:36:32 1. HRAS_085 7216 NOAM X Comp -1324211072.26 mm -55.260 mm 5.067 mm 5.010 mm 2. HRAS_085 7216 NOAM Y Comp -5332023085.11 mm -3.115 mm 19.408 mm 19.190 mm 3. HRAS_085 7216 NOAM Z Comp 3232118363.76 mm 56.758 mm 13.604 mm 13.451 mm HRAS_085 7216 U Comp 42.98 mm 42.984 mm 23.393 mm 20.662 mm HRAS_085 7216 E Comp -52.88 mm -52.880 mm 5.117 mm 4.520 mm HRAS_085 7216 N Comp 40.51 mm 40.507 mm 3.742 mm 3.305 mm 4. HRAS_085 CL 0 1983.08.08-17:54:34.056 -1346.762 ns 0.299 ns 0.296 ns 5. HRAS_085 CL 1 1983.08.08-17:54:34.056 63.594 D-14 2.090 D-14 2.067 D-14 6. HRAS_085 CL 2 1983.08.08-17:54:34.056 5.321 D-14/day 1.699 D-14/day 1.679 D-14/day 33. HRAS_085 AT 0 1983.08.08-17:54:34.056 19.586 ps 80.047 ps 79.147 ps HRAS_085 Atm 1983.08.09-06:55:06.240 Avg: 48.232 ps Rms: 42.993 ps Tot_Rms: 64.612 ps || Nat: 219 Dura: 91440.0 sec Tzd_avg: 6974.3 Tzd_rms: 43.3 Wzd_avg: 596.3 Wzd_rms: 48.9 ps Prs_avg: 83716. Pa Tem_avg: 17.2 C Stm_avg: -3.9 C Stm_rms: 2.8 K Spr_avg: -419. Spr_rms: 44. Pa 112. HRAS_085 NG 1983.08.08-17:53:34.056 0.020 mm 0.422 mm 0.417 mm 113. HRAS_085 EG 1983.08.08-17:53:34.056 -0.006 mm 0.422 mm 0.417 mm 114. HRAS_085 NG 1983.08.09-01:53:34.056 0.025 mm 0.377 mm 0.372 mm 115. HRAS_085 EG 1983.08.09-01:53:34.056 -0.009 mm 0.376 mm 0.371 mm 116. HRAS_085 NG 1983.08.09-09:53:34.056 -0.043 mm 0.376 mm 0.372 mm 117. HRAS_085 EG 1983.08.09-09:53:34.056 0.009 mm 0.376 mm 0.372 mm 118. HRAS_085 NG 1983.08.09-17:53:34.056 -0.079 mm 0.421 mm 0.416 mm 119. HRAS_085 EG 1983.08.09-17:53:34.056 0.069 mm 0.419 mm 0.415 mm 120. MOJAVE12 7222 NOAM X Comp -2356171087.34 mm 8.662 mm 4.767 mm 4.713 mm 121. MOJAVE12 7222 NOAM Y Comp -4646755865.55 mm -33.552 mm 12.772 mm 12.628 mm 122. MOJAVE12 7222 NOAM Z Comp 3668470576.97 mm -4.033 mm 10.790 mm 10.669 mm MOJAVE12 7222 U Comp 18.89 mm 18.885 mm 15.561 mm 13.745 mm MOJAVE12 7222 E Comp 22.90 mm 22.900 mm 6.599 mm 5.829 mm MOJAVE12 7222 N Comp -18.33 mm -18.331 mm 4.072 mm 3.596 mm 123. MOJAVE12 CL 0 1983.08.08-17:54:34.056 203.912 ns 0.522 ns 0.516 ns 124. MOJAVE12 CL 1 1983.08.08-17:54:34.056 -212.726 D-14 2.709 D-14 2.679 D-14 125. MOJAVE12 CL 2 1983.08.08-17:54:34.056 3.107 D-14/day 2.059 D-14/day 2.036 D-14/day 152. MOJAVE12 AT 0 1983.08.08-17:54:34.056 91.603 ps 73.062 ps 72.241 ps MOJAVE12 Atm 1983.08.09-06:55:06.240 Avg: 85.327 ps Rms: 57.952 ps Tot_Rms: 103.146 ps || Nat: 185 Dura: 79200.0 sec Tzd_avg: 7563.5 Tzd_rms: 51.7 Wzd_avg: 696.3 Wzd_rms: 50.0 ps Prs_avg: 90721. Pa Tem_avg: 28.4 C Stm_avg: -1.7 C Stm_rms: 1.4 K Spr_avg: 56. Spr_rms: 63. Pa 231. MOJAVE12 NG 1983.08.08-17:53:34.056 -0.014 mm 0.422 mm 0.417 mm 232. MOJAVE12 EG 1983.08.08-17:53:34.056 0.009 mm 0.422 mm 0.417 mm 233. MOJAVE12 NG 1983.08.09-01:53:34.056 -0.027 mm 0.377 mm 0.372 mm 234. MOJAVE12 EG 1983.08.09-01:53:34.056 0.016 mm 0.376 mm 0.371 mm 235. MOJAVE12 NG 1983.08.09-09:53:34.056 0.042 mm 0.376 mm 0.372 mm 236. MOJAVE12 EG 1983.08.09-09:53:34.056 -0.007 mm 0.376 mm 0.372 mm 237. MOJAVE12 NG 1983.08.09-17:53:34.056 0.092 mm 0.421 mm 0.416 mm 238. MOJAVE12 EG 1983.08.09-17:53:34.056 -0.066 mm 0.420 mm 0.415 mm 239. WESTFORD 7209 NOAM X Comp 1492206589.60 mm 46.597 mm 6.879 mm 6.802 mm 240. WESTFORD 7209 NOAM Y Comp -4458130485.33 mm 36.667 mm 24.305 mm 24.032 mm 241. WESTFORD 7209 NOAM Z Comp 4296015494.28 mm -52.725 mm 20.066 mm 19.840 mm WESTFORD 7209 U Comp -50.40 mm -50.401 mm 30.470 mm 26.913 mm WESTFORD 7209 E Comp 55.83 mm 55.826 mm 9.300 mm 8.214 mm WESTFORD 7209 N Comp -25.27 mm -25.275 mm 5.080 mm 4.487 mm 242. WESTFORD AT 0 1983.08.08-17:54:34.056 -149.347 ps 82.175 ps 81.252 ps WESTFORD Atm 1983.08.09-06:55:06.240 Avg: -186.180 ps Rms: 55.171 ps Tot_Rms: 194.182 ps || Nat: 230 Dura: 91440.0 sec Tzd_avg: 8263.8 Tzd_rms: 45.3 Wzd_avg: 739.8 Wzd_rms: 49.0 ps Prs_avg: 99627. Pa Tem_avg: 26.5 C Stm_avg: -0.7 C Stm_rms: 1.3 K Spr_avg: 199. Spr_rms: 38. Pa 321. WESTFORD NG 1983.08.08-17:53:34.056 -0.004 mm 0.422 mm 0.418 mm 322. WESTFORD EG 1983.08.08-17:53:34.056 0.001 mm 0.422 mm 0.417 mm 323. WESTFORD NG 1983.08.09-01:53:34.056 -0.003 mm 0.377 mm 0.373 mm 324. WESTFORD EG 1983.08.09-01:53:34.056 0.005 mm 0.377 mm 0.373 mm 325. WESTFORD NG 1983.08.09-09:53:34.056 0.017 mm 0.377 mm 0.373 mm 326. WESTFORD EG 1983.08.09-09:53:34.056 0.005 mm 0.377 mm 0.373 mm 327. WESTFORD NG 1983.08.09-17:53:34.056 0.007 mm 0.422 mm 0.418 mm 328. WESTFORD EG 1983.08.09-17:53:34.056 -0.017 mm 0.422 mm 0.417 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 21.08 ps/h NRMS 0.42 share 0.84 count 79 2. MOJAVE12 Input 50.00 ps/h RMS 25.97 ps/h NRMS 0.52 share 0.82 count 79 3. WESTFORD Input 50.00 ps/h RMS 18.64 ps/h NRMS 0.37 share 0.91 count 79 Overall RMS 22.11 ps/h NRMS 0.44 share 0.86 count 237 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.11 mm/d NRMS 0.05 share 0.53 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.60 D-14 NRMS 0.52 share 0.26 count 27 2. MOJAVE12 Input 5.00 D-14 RMS 2.84 D-14 NRMS 0.57 share 0.35 count 27 Overall RMS 2.72 D-14 NRMS 0.54 share 0.31 count 54 329. UT1-TAI 1, 1983.08.09-06:37:00.000 -1.5969 ms/d 205.61 micros/d 181.06 micros/d 179.02 micros/d EOP epoch (TDT) MJD: 45555.276067 NUT epoch (TDT) MJD: 45555.319574 330. Nutation DPSI wrt apriori model 1983.08.09-06:36:32.616 -3.028 mas 1877.0 microasec 1855.9 microasec Nutation Dx wrt apriori model 1983.08.09-06:36:32.616 -1.209 mas 744.5 microasec 736.1 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.09-06:36:32.616 -8.174 mas 1877.0 microasec 1855.9 microasec 331. Nutation DEPS wrt apriori model 1983.08.09-06:36:32.616 1.191 mas 600.3 microasec 593.6 microasec Nutation Dy wrt apriori model 1983.08.09-06:36:32.616 1.186 mas 603.1 microasec 596.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.09-06:36:32.616 0.523 mas 600.3 microasec 593.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0208 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368146.75 4.69 1313368146.75 4.69 -22.02 3.12 27.84 26.59 HRAS_085 7216 to WESTFORD 7209 3134928041.65 11.51 3134928041.65 11.51 101.49 7.34 96.76 52.61 MOJAVE12 7222 to WESTFORD 7209 3903767782.75 11.60 3903767782.75 11.60 -4.61 7.94 87.37 43.60 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:48 Correlator type: Unknown Experiment code: pol124 Mark-3 db_name: $83AUG15X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830815_a Ver 2 pol124 Matrix Condition Number = 1.622155390657756E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.1 4.6 839.0 1.0 35.7 1.3 WESTFORD MET 19.8 3.1 1008.7 0.7 18.1 0.1 Run 26091-1740 217 Observation Pairs Available Session started on: 2445562.227800 1983.08.15 17:28:01.920 UTC Nominal duration: 86823.360 sec 01 00:07:03.360 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 168 64.580 ps 0.87 1.0068 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 172 Number of potentially good observations with QC 5-9: 172 Number of used observations: 168 ( 97.67%) Number of suppressed observations: 4 ( 2.33%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 168 172 64.580 0.87 19830815_a pol124 1983.08.16-05:31:33.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 11 72.177 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 0212+735 J0217+7349 9 9 13 131.340 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 0234+285 J0237+2848 11 11 15 66.137 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 0552+398 J0555+3948 17 17 18 89.663 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 1637+574 J1638+5720 11 11 22 114.964 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 2134+00 J2136+0041 8 8 12 94.404 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 3C273B J1229+0203 13 13 13 39.459 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 3C345 J1642+3948 18 18 19 35.753 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 3C454.3 J2253+1608 11 11 12 66.286 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: 4C39.25 J0927+3902 6 6 19 47.121 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: NRAO150 J0359+5057 18 18 18 77.942 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: OJ287 J0854+2006 11 15 15 51.170 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: OQ208 J1407+2827 14 14 17 124.491 19830815_a pol124 1983.08.16-05:31:33.600 SRC_STAT: VR422201 J2202+4216 11 11 13 39.029 19830815_a pol124 1983.08.16-05:31:33.600 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.16-05:31:01 1. HRAS_085 7216 NOAM X Comp -1324211059.87 mm -42.868 mm 4.901 mm 4.918 mm 2. HRAS_085 7216 NOAM Y Comp -5332023115.18 mm -33.182 mm 21.422 mm 21.495 mm 3. HRAS_085 7216 NOAM Z Comp 3232118388.28 mm 81.279 mm 15.504 mm 15.556 mm HRAS_085 7216 U Comp 78.02 mm 78.018 mm 25.772 mm 22.465 mm HRAS_085 7216 E Comp -33.61 mm -33.606 mm 6.206 mm 5.410 mm HRAS_085 7216 N Comp 48.26 mm 48.258 mm 4.539 mm 3.957 mm 4. HRAS_085 CL 0 1983.08.15-17:27:29.736 1213.623 ns 0.285 ns 0.286 ns 5. HRAS_085 CL 1 1983.08.15-17:27:29.736 53.290 D-14 2.133 D-14 2.140 D-14 6. HRAS_085 CL 2 1983.08.15-17:27:29.736 8.991 D-14/day 1.833 D-14/day 1.839 D-14/day 32. HRAS_085 AT 0 1983.08.15-17:27:29.736 29.334 ps 76.885 ps 77.146 ps HRAS_085 Atm 1983.08.16-05:58:01.920 Avg: -9.914 ps Rms: 27.666 ps Tot_Rms: 29.389 ps || Nat: 217 Dura: 86820.0 sec Tzd_avg: 6927.3 Tzd_rms: 37.0 Wzd_avg: 535.4 Wzd_rms: 40.6 ps Prs_avg: 83896. Pa Tem_avg: 20.1 C Stm_avg: -2.7 C Stm_rms: 2.4 K Spr_avg: -395. Spr_rms: 62. Pa 108. HRAS_085 NG 1983.08.15-17:26:29.736 -0.001 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1983.08.15-17:26:29.736 0.011 mm 0.422 mm 0.424 mm 110. HRAS_085 NG 1983.08.16-01:26:29.736 0.000 mm 0.377 mm 0.378 mm 111. HRAS_085 EG 1983.08.16-01:26:29.736 -0.012 mm 0.377 mm 0.378 mm 112. HRAS_085 NG 1983.08.16-09:26:29.736 -0.011 mm 0.377 mm 0.378 mm 113. HRAS_085 EG 1983.08.16-09:26:29.736 0.007 mm 0.377 mm 0.378 mm 114. HRAS_085 NG 1983.08.16-17:26:29.736 -0.004 mm 0.422 mm 0.424 mm 115. HRAS_085 EG 1983.08.16-17:26:29.736 0.036 mm 0.422 mm 0.424 mm 116. WESTFORD 7209 NOAM X Comp 1492206585.87 mm 42.868 mm 4.901 mm 4.918 mm 117. WESTFORD 7209 NOAM Y Comp -4458130488.82 mm 33.182 mm 21.422 mm 21.495 mm 118. WESTFORD 7209 NOAM Z Comp 4296015465.72 mm -81.279 mm 15.504 mm 15.556 mm WESTFORD 7209 U Comp -68.17 mm -68.173 mm 25.012 mm 21.802 mm WESTFORD 7209 E Comp 51.18 mm 51.183 mm 9.039 mm 7.879 mm WESTFORD 7209 N Comp -47.72 mm -47.725 mm 4.004 mm 3.491 mm 119. WESTFORD AT 0 1983.08.15-17:27:29.736 -111.113 ps 68.954 ps 69.188 ps WESTFORD Atm 1983.08.16-05:58:01.920 Avg: 18.738 ps Rms: 69.437 ps Tot_Rms: 71.921 ps || Nat: 217 Dura: 86820.0 sec Tzd_avg: 8060.4 Tzd_rms: 76.0 Wzd_avg: 433.0 Wzd_rms: 82.8 ps Prs_avg: 100868. Pa Tem_avg: 19.8 C Stm_avg: -1.5 C Stm_rms: 1.8 K Spr_avg: 220. Spr_rms: 31. Pa 195. WESTFORD NG 1983.08.15-17:26:29.736 0.014 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1983.08.15-17:26:29.736 -0.015 mm 0.422 mm 0.424 mm 197. WESTFORD NG 1983.08.16-01:26:29.736 0.000 mm 0.377 mm 0.378 mm 198. WESTFORD EG 1983.08.16-01:26:29.736 0.016 mm 0.377 mm 0.378 mm 199. WESTFORD NG 1983.08.16-09:26:29.736 0.003 mm 0.377 mm 0.378 mm 200. WESTFORD EG 1983.08.16-09:26:29.736 0.028 mm 0.377 mm 0.378 mm 201. WESTFORD NG 1983.08.16-17:26:29.736 0.004 mm 0.422 mm 0.424 mm 202. WESTFORD EG 1983.08.16-17:26:29.736 0.009 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.13 ps/h NRMS 0.20 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.51 ps/h NRMS 0.29 share 0.90 count 76 Overall RMS 12.51 ps/h NRMS 0.25 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.81 D-14 NRMS 0.56 share 0.28 count 26 Overall RMS 2.81 D-14 NRMS 0.56 share 0.28 count 26 203. UT1-TAI 1, 1983.08.16-05:31:00.000 -1.1633 ms/d 408.41 micros/d 190.54 micros/d 191.19 micros/d EOP epoch (TDT) MJD: 45562.230234 NUT epoch (TDT) MJD: 45562.208363 204. Nutation DPSI wrt apriori model 1983.08.16-05:31:01.416 -2.529 mas 2402.2 microasec 2410.4 microasec Nutation Dx wrt apriori model 1983.08.16-05:31:01.416 -1.011 mas 952.4 microasec 955.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.16-05:31:01.416 -8.904 mas 2402.2 microasec 2410.4 microasec 205. Nutation DEPS wrt apriori model 1983.08.16-05:31:01.416 1.362 mas 873.2 microasec 876.1 microasec Nutation Dy wrt apriori model 1983.08.16-05:31:01.416 1.359 mas 876.7 microasec 879.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.16-05:31:01.416 0.716 mas 873.2 microasec 876.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0967 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928016.56 10.72 3134928016.56 10.72 117.97 6.36 150.44 52.32 NNT_POS: 4 stations participated in NNT_POS constraints: JPL_MV1 MOJAVE12 PBLOSSOM VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:51 Correlator type: Unknown Experiment code: cdp83h Mark-3 db_name: $83AUG22XJ Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830822_a Ver 2 cdp83h Matrix Condition Number = 5.019297643429129E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | JPL_MV1 : GION | | MOJAVE12: GION | | OVRO_130: GION | | PBLOSSOM: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for PBLOSSOM is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET -999.0 0.0 -999.0 0.0 0.0 0.0 JPL_MV1 MET 16.4 2.6 961.9 0.8 80.7 27.4 MOJAVE12 MET 21.2 4.3 909.1 0.9 52.4 37.0 OVRO_130 MET 19.8 7.0 880.5 1.2 15.0 5.7 PBLOSSOM MET 19.4 3.4 911.4 0.9 50.4 10.1 VNDNBERG MET 18.0 1.2 1014.3 1.0 71.2 1.1 Run 26091-1740 854 Observation Pairs Available Session started on: 2445569.140000 1983.08.22 15:21:36.000 UTC Nominal duration: 103515.840 sec 01 04:45:15.840 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 136 41.230 ps 0.71 0.9567 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 143 Number of potentially good observations with QC 5-9: 143 Number of used observations: 136 ( 95.10%) Number of suppressed observations: 7 ( 4.90%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 MOJAVE12 33 35 78.910 0.76 19830822_a cdp83h 1983.08.23-05:44:13.9 BAS_STAT JPL_MV1 PBLOSSOM 4 4 35.359 0.53 19830822_a cdp83h 1983.08.23-05:44:13.9 BAS_STAT MOJAVE12 PBLOSSOM 65 67 47.484 0.76 19830822_a cdp83h 1983.08.23-05:44:13.9 BAS_STAT MOJAVE12 VNDNBERG 30 33 19.365 0.49 19830822_a cdp83h 1983.08.23-05:44:13.9 BAS_STAT PBLOSSOM VNDNBERG 4 4 99.398 0.89 19830822_a cdp83h 1983.08.23-05:44:13.9 BAS_STAT Not included: GOLDVENU JPL_MV1 0/ 0 deselected baseline 19830822_a cdp83h GOLDVENU MOJAVE12 0/ 0 deselected baseline 19830822_a cdp83h GOLDVENU OVRO_130 0/ 0 deselected baseline 19830822_a cdp83h GOLDVENU PBLOSSOM 0/ 0 deselected baseline 19830822_a cdp83h GOLDVENU VNDNBERG 0/ 0 deselected baseline 19830822_a cdp83h JPL_MV1 OVRO_130 0/ 0 deselected baseline 19830822_a cdp83h JPL_MV1 VNDNBERG 0/ 0 deselected baseline 19830822_a cdp83h MOJAVE12 OVRO_130 0/ 0 deselected baseline 19830822_a cdp83h OVRO_130 PBLOSSOM 0/ 0 deselected baseline 19830822_a cdp83h OVRO_130 VNDNBERG 0/ 0 deselected baseline 19830822_a cdp83h Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 8 8 65 86.437 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 0552+398 J0555+3948 14 14 72 76.776 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 0727-115 J0730-1141 3 3 26 65.048 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 1921-293 J1924-2914 7 7 42 51.504 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 2134+00 J2136+0041 10 12 81 43.524 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 3C120 J0433+0521 4 5 67 101.734 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 3C273B J1229+0203 10 11 51 21.295 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 3C279 J1256-0547 7 7 30 19.527 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 3C345 J1642+3948 8 8 45 36.783 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 3C418 J2038+5119 7 7 73 58.476 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 3C454.3 J2253+1608 11 11 63 23.660 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 3C84 J0319+4130 21 23 71 20.577 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: 4C39.25 J0927+3902 2 2 11 74.573 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: NRAO150 J0359+5057 13 14 85 64.021 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: NRAO530 J1733-1304 11 11 70 93.125 19830822_a cdp83h 1983.08.23-05:44:13.920 SRC_STAT: OQ208 J1407+2827 0 0 2 0.000 19830822_a cdp83h 1983.08.23-05:44:13.920 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.23-05:43:41 1. JPL_MV1 7263 PCFC X Comp -2493306307.72 mm -10.718 mm 52.862 mm 51.705 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197540.72 mm -156.716 mm 89.794 mm 87.829 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519564.32 mm 101.318 mm 71.645 mm 70.078 mm JPL_MV1 7263 U Comp 175.40 mm 175.395 mm 124.260 mm 87.793 mm JPL_MV1 7263 E Comp 64.54 mm 64.544 mm 12.786 mm 9.034 mm JPL_MV1 7263 N Comp 3.29 mm 3.287 mm 19.653 mm 13.886 mm 4. JPL_MV1 CL 0 1983.08.22-15:21:03.816 -3174.674 ns 1.573 ns 1.538 ns 5. JPL_MV1 CL 1 1983.08.22-15:21:03.816 213.890 D-14 5.062 D-14 4.952 D-14 6. JPL_MV1 CL 2 1983.08.22-15:21:03.816 8.791 D-14/day 3.422 D-14/day 3.347 D-14/day 36. JPL_MV1 AT 0 1983.08.22-15:21:03.816 -72.553 ps 677.949 ps 663.116 ps JPL_MV1 Atm 1983.08.23-05:51:36.000 Avg: -80.556 ps Rms: 6.547 ps Tot_Rms: 80.821 ps || Nat: 62 Dura: 93418.0 sec Tzd_avg: 7560.3 Tzd_rms: 23.2 Wzd_avg: 260.0 Wzd_rms: 20.4 ps Prs_avg: 96193. Pa Tem_avg: 16.3 C Stm_avg: -4.0 C Stm_rms: 1.0 K Spr_avg: 9. Spr_rms: 18. Pa 124. JPL_MV1 NG 1983.08.22-15:20:03.816 0.001 mm 0.422 mm 0.413 mm 125. JPL_MV1 EG 1983.08.22-15:20:03.816 0.002 mm 0.422 mm 0.413 mm 126. JPL_MV1 NG 1983.08.22-23:20:03.816 0.001 mm 0.377 mm 0.369 mm 127. JPL_MV1 EG 1983.08.22-23:20:03.816 0.006 mm 0.377 mm 0.368 mm 128. JPL_MV1 NG 1983.08.23-07:20:03.816 -0.003 mm 0.373 mm 0.365 mm 129. JPL_MV1 EG 1983.08.23-07:20:03.816 0.001 mm 0.373 mm 0.365 mm 130. JPL_MV1 NG 1983.08.23-15:20:03.816 -0.000 mm 0.377 mm 0.369 mm 131. JPL_MV1 EG 1983.08.23-15:20:03.816 0.001 mm 0.377 mm 0.368 mm 132. JPL_MV1 NG 1983.08.23-23:20:03.816 -0.000 mm 0.422 mm 0.413 mm 133. JPL_MV1 EG 1983.08.23-23:20:03.816 0.001 mm 0.422 mm 0.413 mm 134. MOJAVE12 7222 NOAM X Comp -2356171211.12 mm -115.122 mm 26.724 mm 26.139 mm 135. MOJAVE12 7222 NOAM Y Comp -4646755537.61 mm 294.390 mm 44.023 mm 43.060 mm 136. MOJAVE12 7222 NOAM Z Comp 3668470691.41 mm 110.415 mm 36.390 mm 35.594 mm MOJAVE12 7222 U Comp -107.88 mm -107.878 mm 61.423 mm 43.397 mm MOJAVE12 7222 E Comp -235.81 mm -235.812 mm 10.830 mm 7.652 mm MOJAVE12 7222 N Comp 211.81 mm 211.813 mm 9.296 mm 6.568 mm 137. MOJAVE12 AT 0 1983.08.22-15:21:03.816 337.284 ps 598.509 ps 585.415 ps MOJAVE12 Atm 1983.08.23-05:51:36.000 Avg: 351.168 ps Rms: 15.186 ps Tot_Rms: 351.497 ps || Nat: 86 Dura: 103518.0 sec Tzd_avg: 7107.9 Tzd_rms: 23.5 Wzd_avg: 209.4 Wzd_rms: 17.8 ps Prs_avg: 90915. Pa Tem_avg: 21.7 C Stm_avg: -0.1 C Stm_rms: 3.0 K Spr_avg: 53. Spr_rms: 50. Pa 225. MOJAVE12 NG 1983.08.22-15:20:03.816 -0.007 mm 0.422 mm 0.413 mm 226. MOJAVE12 EG 1983.08.22-15:20:03.816 -0.018 mm 0.422 mm 0.413 mm 227. MOJAVE12 NG 1983.08.22-23:20:03.816 -0.009 mm 0.377 mm 0.368 mm 228. MOJAVE12 EG 1983.08.22-23:20:03.816 -0.006 mm 0.377 mm 0.368 mm 229. MOJAVE12 NG 1983.08.23-07:20:03.816 0.006 mm 0.373 mm 0.365 mm 230. MOJAVE12 EG 1983.08.23-07:20:03.816 0.008 mm 0.373 mm 0.365 mm 231. MOJAVE12 NG 1983.08.23-15:20:03.816 0.010 mm 0.377 mm 0.368 mm 232. MOJAVE12 EG 1983.08.23-15:20:03.816 -0.004 mm 0.377 mm 0.368 mm 233. MOJAVE12 NG 1983.08.23-23:20:03.816 0.005 mm 0.422 mm 0.413 mm 234. MOJAVE12 EG 1983.08.23-23:20:03.816 -0.002 mm 0.422 mm 0.413 mm 235. PBLOSSOM 7254 NOAM X Comp -2464071099.55 mm -56.548 mm 33.918 mm 33.176 mm 236. PBLOSSOM 7254 NOAM Y Comp -4649425337.08 mm -27.079 mm 58.620 mm 57.337 mm 237. PBLOSSOM 7254 NOAM Z Comp 3593905775.65 mm 142.646 mm 45.700 mm 44.700 mm PBLOSSOM 7254 U Comp 122.36 mm 122.356 mm 80.611 mm 56.954 mm PBLOSSOM 7254 E Comp -37.29 mm -37.285 mm 7.678 mm 5.425 mm PBLOSSOM 7254 N Comp 88.98 mm 88.982 mm 10.868 mm 7.678 mm 238. PBLOSSOM CL 0 1983.08.22-15:21:03.816 -3831.494 ns 0.380 ns 0.372 ns 239. PBLOSSOM CL 1 1983.08.22-15:21:03.816 64.710 D-14 2.079 D-14 2.033 D-14 240. PBLOSSOM CL 2 1983.08.22-15:21:03.816 1.492 D-14/day 1.666 D-14/day 1.629 D-14/day 270. PBLOSSOM AT 0 1983.08.22-15:21:03.816 359.854 ps 629.149 ps 615.384 ps PBLOSSOM Atm 1983.08.23-05:51:36.000 Avg: 385.024 ps Rms: 12.825 ps Tot_Rms: 385.237 ps || Nat: 78 Dura: 93418.0 sec Tzd_avg: 7128.2 Tzd_rms: 27.7 Wzd_avg: 208.1 Wzd_rms: 26.1 ps Prs_avg: 91147. Pa Tem_avg: 19.3 C Stm_avg: 0.9 C Stm_rms: 0.8 K Spr_avg: 5. Spr_rms: 78. Pa 358. PBLOSSOM NG 1983.08.22-15:20:03.816 0.001 mm 0.422 mm 0.413 mm 359. PBLOSSOM EG 1983.08.22-15:20:03.816 0.022 mm 0.422 mm 0.413 mm 360. PBLOSSOM NG 1983.08.22-23:20:03.816 0.007 mm 0.377 mm 0.368 mm 361. PBLOSSOM EG 1983.08.22-23:20:03.816 0.004 mm 0.377 mm 0.368 mm 362. PBLOSSOM NG 1983.08.23-07:20:03.816 -0.002 mm 0.373 mm 0.365 mm 363. PBLOSSOM EG 1983.08.23-07:20:03.816 -0.011 mm 0.373 mm 0.365 mm 364. PBLOSSOM NG 1983.08.23-15:20:03.816 -0.005 mm 0.377 mm 0.368 mm 365. PBLOSSOM EG 1983.08.23-15:20:03.816 -0.002 mm 0.377 mm 0.368 mm 366. PBLOSSOM NG 1983.08.23-23:20:03.816 -0.002 mm 0.422 mm 0.413 mm 367. PBLOSSOM EG 1983.08.23-23:20:03.816 -0.001 mm 0.422 mm 0.413 mm 368. VNDNBERG 7223 PCFC X Comp -2678094864.61 mm 182.388 mm 65.190 mm 63.764 mm 369. VNDNBERG 7223 PCFC Y Comp -4525450610.60 mm -110.596 mm 111.864 mm 109.416 mm 370. VNDNBERG 7223 PCFC Z Comp 3597410061.62 mm -354.379 mm 87.359 mm 85.447 mm VNDNBERG 7223 U Comp -199.12 mm -199.122 mm 154.361 mm 109.060 mm VNDNBERG 7223 E Comp 213.29 mm 213.288 mm 18.084 mm 12.777 mm VNDNBERG 7223 N Comp -293.16 mm -293.155 mm 15.506 mm 10.955 mm 371. VNDNBERG CL 0 1983.08.22-15:21:03.816 6206.092 ns 0.966 ns 0.945 ns 372. VNDNBERG CL 1 1983.08.22-15:21:03.816 129.186 D-14 2.220 D-14 2.172 D-14 373. VNDNBERG CL 2 1983.08.22-15:21:03.816 4.100 D-14/day 1.744 D-14/day 1.706 D-14/day 403. VNDNBERG AT 0 1983.08.22-15:21:03.816 449.175 ps 515.523 ps 504.244 ps VNDNBERG Atm 1983.08.23-05:51:36.000 Avg: 422.472 ps Rms: 13.228 ps Tot_Rms: 422.679 ps || Nat: 69 Dura: 93418.0 sec Tzd_avg: 8053.3 Tzd_rms: 8.1 Wzd_avg: 360.4 Wzd_rms: 15.9 ps Prs_avg: 101418. Pa Tem_avg: 18.0 C Stm_avg: -0.6 C Stm_rms: 0.7 K Spr_avg: 10. Spr_rms: 61. Pa 491. VNDNBERG NG 1983.08.22-15:20:03.816 0.005 mm 0.422 mm 0.413 mm 492. VNDNBERG EG 1983.08.22-15:20:03.816 -0.009 mm 0.422 mm 0.413 mm 493. VNDNBERG NG 1983.08.22-23:20:03.816 0.000 mm 0.377 mm 0.369 mm 494. VNDNBERG EG 1983.08.22-23:20:03.816 -0.004 mm 0.377 mm 0.368 mm 495. VNDNBERG NG 1983.08.23-07:20:03.816 -0.002 mm 0.373 mm 0.365 mm 496. VNDNBERG EG 1983.08.23-07:20:03.816 0.002 mm 0.373 mm 0.365 mm 497. VNDNBERG NG 1983.08.23-15:20:03.816 -0.007 mm 0.377 mm 0.368 mm 498. VNDNBERG EG 1983.08.23-15:20:03.816 0.004 mm 0.377 mm 0.368 mm 499. VNDNBERG NG 1983.08.23-23:20:03.816 -0.003 mm 0.422 mm 0.413 mm 500. VNDNBERG EG 1983.08.23-23:20:03.816 0.001 mm 0.422 mm 0.413 mm Atmosphere Constraint Statistics 2. JPL_MV1 Input 50.00 ps/h RMS 4.39 ps/h NRMS 0.09 share 0.98 count 88 3. MOJAVE12 Input 50.00 ps/h RMS 6.56 ps/h NRMS 0.13 share 0.94 count 88 5. PBLOSSOM Input 50.00 ps/h RMS 7.45 ps/h NRMS 0.15 share 0.95 count 88 6. VNDNBERG Input 50.00 ps/h RMS 4.64 ps/h NRMS 0.09 share 0.98 count 88 Overall RMS 5.90 ps/h NRMS 0.12 share 0.96 count 352 Gradient Constraint Statistics 2. JPL_MV1 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.52 count 10 3. MOJAVE12 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.52 count 10 5. PBLOSSOM Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.52 count 10 6. VNDNBERG Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.52 count 10 Overall RMS 0.02 mm/d NRMS 0.01 share 0.52 count 40 Clock Constraint Statistics 2. JPL_MV1 Input 5.00 D-14 RMS 1.87 D-14 NRMS 0.37 share 0.75 count 30 5. PBLOSSOM Input 5.00 D-14 RMS 2.64 D-14 NRMS 0.53 share 0.46 count 30 6. VNDNBERG Input 5.00 D-14 RMS 1.88 D-14 NRMS 0.38 share 0.67 count 30 Overall RMS 2.16 D-14 NRMS 0.43 share 0.62 count 90 501. UT1-TAI 1, 1983.08.23-05:44:00.000 -1.7618 ms/d -192.61 micros/d 4957.25 micros/d 4848.79 micros/d EOP epoch (TDT) MJD: 45569.239261 NUT epoch (TDT) MJD: 45569.231300 502. Nutation DPSI wrt apriori model 1983.08.23-05:43:41.736 -4.525 mas 33273.1 microasec 32545.1 microasec Nutation Dx wrt apriori model 1983.08.23-05:43:41.736 -1.792 mas 13160.7 microasec 12872.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.23-05:43:41.736 -10.797 mas 33273.1 microasec 32545.1 microasec 503. Nutation DEPS wrt apriori model 1983.08.23-05:43:41.736 -2.290 mas 20708.5 microasec 20255.4 microasec Nutation Dy wrt apriori model 1983.08.23-05:43:41.736 -2.296 mas 20756.9 microasec 20302.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.23-05:43:41.736 -2.905 mas 20708.5 microasec 20255.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3936 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to MOJAVE12 7222 171686448.81 20.27 171686448.81 20.27 -361.25 24.70 284.37 148.88 JPL_MV1 7263 to PBLOSSOM 7254 41155713.15 19.20 41155713.15 19.20 -132.39 24.00 53.73 159.77 MOJAVE12 7222 to PBLOSSOM 7254 131184756.79 12.99 131184756.79 12.99 -225.67 9.67 -230.84 74.91 MOJAVE12 7222 to VNDNBERG 7223 351282417.86 24.45 351282417.86 24.45 -598.94 20.98 91.68 191.95 PBLOSSOM 7254 to VNDNBERG 7223 247362456.40 22.95 247362456.40 22.95 -380.49 21.32 317.77 210.74 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:54 Correlator type: Unknown Experiment code: pol125 Mark-3 db_name: $83AUG22XP Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830822_b Ver 2 pol125 Matrix Condition Number = 1.614200763861569E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.7 3.2 837.1 0.9 33.6 2.0 WESTFORD MET 17.7 2.4 1002.0 3.4 22.7 1.8 Run 26091-1740 221 Observation Pairs Available Session started on: 2445569.252900 1983.08.22 18:04:10.560 UTC Nominal duration: 87592.320 sec 01 00:19:52.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 166 69.768 ps 0.87 1.0065 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 174 Number of potentially good observations with QC 5-9: 174 Number of used observations: 166 ( 95.40%) Number of suppressed observations: 8 ( 4.60%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 166 174 69.768 0.87 19830822_b pol125 1983.08.23-06:14:06.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 11 11 87.395 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 0212+735 J0217+7349 8 8 13 101.513 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 0234+285 J0237+2848 13 15 15 47.773 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 0552+398 J0555+3948 15 15 18 65.032 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 1637+574 J1638+5720 7 7 22 152.698 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 2134+00 J2136+0041 9 9 13 79.096 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 3C273B J1229+0203 12 13 14 59.742 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 3C345 J1642+3948 18 19 19 47.455 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 3C454.3 J2253+1608 11 12 13 59.524 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: 4C39.25 J0927+3902 7 7 18 86.495 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: NRAO150 J0359+5057 19 20 20 92.786 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: OJ287 J0854+2006 12 13 14 46.475 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: OQ208 J1407+2827 14 14 18 143.764 19830822_b pol125 1983.08.23-06:14:06.720 SRC_STAT: VR422201 J2202+4216 11 11 13 56.351 19830822_b pol125 1983.08.23-06:14:06.720 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.23-06:13:34 1. HRAS_085 7216 NOAM X Comp -1324211063.72 mm -46.717 mm 5.226 mm 5.243 mm 2. HRAS_085 7216 NOAM Y Comp -5332023124.18 mm -42.183 mm 21.115 mm 21.184 mm 3. HRAS_085 7216 NOAM Z Comp 3232118392.49 mm 85.492 mm 15.916 mm 15.967 mm HRAS_085 7216 U Comp 88.48 mm 88.479 mm 25.622 mm 22.340 mm HRAS_085 7216 E Comp -35.17 mm -35.172 mm 6.618 mm 5.771 mm HRAS_085 7216 N Comp 46.96 mm 46.958 mm 5.116 mm 4.461 mm 4. HRAS_085 CL 0 1983.08.22-18:03:38.376 1562.554 ns 0.302 ns 0.303 ns 5. HRAS_085 CL 1 1983.08.22-18:03:38.376 161.082 D-14 2.143 D-14 2.150 D-14 6. HRAS_085 CL 2 1983.08.22-18:03:38.376 3.959 D-14/day 1.791 D-14/day 1.797 D-14/day 32. HRAS_085 AT 0 1983.08.22-18:03:38.376 165.252 ps 91.305 ps 91.602 ps HRAS_085 Atm 1983.08.23-06:34:10.560 Avg: 76.411 ps Rms: 62.035 ps Tot_Rms: 98.422 ps || Nat: 221 Dura: 87590.0 sec Tzd_avg: 6946.7 Tzd_rms: 10.0 Wzd_avg: 568.4 Wzd_rms: 11.9 ps Prs_avg: 83712. Pa Tem_avg: 20.7 C Stm_avg: -2.0 C Stm_rms: 2.0 K Spr_avg: -416. Spr_rms: 61. Pa 108. HRAS_085 NG 1983.08.22-18:02:38.376 -0.003 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1983.08.22-18:02:38.376 -0.015 mm 0.422 mm 0.424 mm 110. HRAS_085 NG 1983.08.23-02:02:38.376 0.013 mm 0.377 mm 0.378 mm 111. HRAS_085 EG 1983.08.23-02:02:38.376 0.018 mm 0.377 mm 0.378 mm 112. HRAS_085 NG 1983.08.23-10:02:38.376 -0.001 mm 0.377 mm 0.378 mm 113. HRAS_085 EG 1983.08.23-10:02:38.376 0.001 mm 0.377 mm 0.378 mm 114. HRAS_085 NG 1983.08.23-18:02:38.376 0.000 mm 0.422 mm 0.424 mm 115. HRAS_085 EG 1983.08.23-18:02:38.376 -0.009 mm 0.422 mm 0.424 mm 116. WESTFORD 7209 NOAM X Comp 1492206589.72 mm 46.717 mm 5.226 mm 5.243 mm 117. WESTFORD 7209 NOAM Y Comp -4458130479.82 mm 42.183 mm 21.115 mm 21.184 mm 118. WESTFORD 7209 NOAM Z Comp 4296015461.51 mm -85.492 mm 15.916 mm 15.967 mm WESTFORD 7209 U Comp -76.41 mm -76.408 mm 25.115 mm 21.897 mm WESTFORD 7209 E Comp 57.69 mm 57.690 mm 8.919 mm 7.776 mm WESTFORD 7209 N Comp -45.87 mm -45.874 mm 4.024 mm 3.508 mm 119. WESTFORD AT 0 1983.08.22-18:03:38.376 0.352 ps 74.107 ps 74.348 ps WESTFORD Atm 1983.08.23-06:34:10.560 Avg: -38.818 ps Rms: 32.153 ps Tot_Rms: 50.405 ps || Nat: 221 Dura: 87590.0 sec Tzd_avg: 8229.9 Tzd_rms: 199.1 Wzd_avg: 667.3 Wzd_rms: 233.0 ps Prs_avg: 100197. Pa Tem_avg: 17.7 C Stm_avg: -3.5 C Stm_rms: 3.3 K Spr_avg: 299. Spr_rms: 72. Pa 195. WESTFORD NG 1983.08.22-18:02:38.376 0.006 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1983.08.22-18:02:38.376 0.029 mm 0.422 mm 0.424 mm 197. WESTFORD NG 1983.08.23-02:02:38.376 0.003 mm 0.377 mm 0.378 mm 198. WESTFORD EG 1983.08.23-02:02:38.376 -0.017 mm 0.377 mm 0.378 mm 199. WESTFORD NG 1983.08.23-10:02:38.376 -0.001 mm 0.377 mm 0.378 mm 200. WESTFORD EG 1983.08.23-10:02:38.376 -0.009 mm 0.377 mm 0.378 mm 201. WESTFORD NG 1983.08.23-18:02:38.376 -0.005 mm 0.422 mm 0.424 mm 202. WESTFORD EG 1983.08.23-18:02:38.376 0.007 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.59 ps/h NRMS 0.25 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 13.70 ps/h NRMS 0.27 share 0.90 count 76 Overall RMS 13.16 ps/h NRMS 0.26 share 0.91 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.20 D-14 NRMS 0.44 share 0.27 count 26 Overall RMS 2.20 D-14 NRMS 0.44 share 0.27 count 26 203. UT1-TAI 1, 1983.08.23-06:14:00.000 -1.0805 ms/d 491.42 micros/d 203.40 micros/d 204.06 micros/d EOP epoch (TDT) MJD: 45569.260095 NUT epoch (TDT) MJD: 45569.270009 204. Nutation DPSI wrt apriori model 1983.08.23-06:13:34.536 -3.730 mas 2764.1 microasec 2773.1 microasec Nutation Dx wrt apriori model 1983.08.23-06:13:34.536 -1.490 mas 1096.5 microasec 1100.1 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.23-06:13:34.536 -9.999 mas 2764.1 microasec 2773.1 microasec 205. Nutation DEPS wrt apriori model 1983.08.23-06:13:34.536 1.672 mas 839.0 microasec 841.7 microasec Nutation Dy wrt apriori model 1983.08.23-06:13:34.536 1.667 mas 843.0 microasec 845.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.23-06:13:34.536 1.063 mas 839.0 microasec 841.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0976 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928025.64 11.32 3134928025.64 11.32 117.61 6.81 169.73 52.26 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1740 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:40:57 Correlator type: Unknown Experiment code: mb8302 Mark-3 db_name: $83AUG23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830823_a Ver 2 mb8302 Matrix Condition Number = 1.896760184404740E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.5 4.1 838.9 1.8 34.9 2.4 MOJAVE12 MET 23.1 5.2 908.7 1.2 36.1 0.7 OVRO_130 MET 20.4 6.3 878.4 1.3 0.0 0.0 Run 26091-1740 392 Observation Pairs Available Session started on: 2445570.294200 1983.08.23 19:03:38.880 UTC Nominal duration: 90953.280 sec 01 01:15:53.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 349 20.248 ps 0.80 0.9873 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 371 Number of potentially good observations with QC 5-9: 371 Number of used observations: 349 ( 94.07%) Number of suppressed observations: 22 ( 5.93%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 124 132 31.762 0.86 19830823_a mb8302 1983.08.24-07:41:35.5 BAS_STAT HRAS_085 OVRO_130 108 117 24.511 0.80 19830823_a mb8302 1983.08.24-07:41:35.5 BAS_STAT MOJAVE12 OVRO_130 117 122 13.514 0.73 19830823_a mb8302 1983.08.24-07:41:35.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 26 27 29 24.263 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 0212+735 J0217+7349 21 22 24 21.913 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 0234+285 J0237+2848 36 36 38 25.709 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 0552+398 J0555+3948 33 35 35 17.685 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 1741-038 J1743-0350 28 31 36 28.533 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 3C273B J1229+0203 31 34 34 15.364 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 3C345 J1642+3948 27 27 29 20.014 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 3C454.3 J2253+1608 27 27 31 16.615 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: 4C39.25 J0927+3902 32 33 33 21.642 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: OJ287 J0854+2006 22 26 26 17.598 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: OQ208 J1407+2827 36 43 45 29.627 19830823_a mb8302 1983.08.24-07:41:35.520 SRC_STAT: VR422201 J2202+4216 30 30 32 14.360 19830823_a mb8302 1983.08.24-07:41:35.520 ------------------------------------------------ Parameter adjustments for run 26091-1740 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.24-07:41:03 1. HRAS_085 7216 NOAM X Comp -1324211065.40 mm -48.400 mm 3.567 mm 3.544 mm 2. HRAS_085 7216 NOAM Y Comp -5332023053.82 mm 28.182 mm 7.910 mm 7.860 mm 3. HRAS_085 7216 NOAM Z Comp 3232118342.24 mm 35.236 mm 5.841 mm 5.804 mm HRAS_085 7216 U Comp 4.46 mm 4.460 mm 9.953 mm 7.971 mm HRAS_085 7216 E Comp -53.77 mm -53.766 mm 2.376 mm 1.903 mm HRAS_085 7216 N Comp 38.31 mm 38.311 mm 2.171 mm 1.739 mm 4. HRAS_085 CL 0 1983.08.23-19:03:06.696 8992.150 ns 0.117 ns 0.117 ns 5. HRAS_085 CL 1 1983.08.23-19:03:06.696 173.890 D-14 2.002 D-14 1.989 D-14 6. HRAS_085 CL 2 1983.08.23-19:03:06.696 2.136 D-14/day 1.619 D-14/day 1.609 D-14/day 33. HRAS_085 AT 0 1983.08.23-19:03:06.696 4.973 ps 47.173 ps 46.872 ps HRAS_085 Atm 1983.08.24-08:03:38.880 Avg: 43.407 ps Rms: 52.355 ps Tot_Rms: 68.009 ps || Nat: 136 Dura: 90948.0 sec Tzd_avg: 6890.3 Tzd_rms: 19.4 Wzd_avg: 495.8 Wzd_rms: 27.0 ps Prs_avg: 83893. Pa Tem_avg: 20.3 C Stm_avg: -3.0 C Stm_rms: 1.5 K Spr_avg: -415. Spr_rms: 61. Pa 112. HRAS_085 NG 1983.08.23-19:02:06.696 -0.034 mm 0.422 mm 0.419 mm 113. HRAS_085 EG 1983.08.23-19:02:06.696 0.047 mm 0.421 mm 0.419 mm 114. HRAS_085 NG 1983.08.24-03:02:06.696 0.011 mm 0.376 mm 0.374 mm 115. HRAS_085 EG 1983.08.24-03:02:06.696 0.020 mm 0.376 mm 0.373 mm 116. HRAS_085 NG 1983.08.24-11:02:06.696 0.027 mm 0.376 mm 0.374 mm 117. HRAS_085 EG 1983.08.24-11:02:06.696 -0.017 mm 0.376 mm 0.373 mm 118. HRAS_085 NG 1983.08.24-19:02:06.696 -0.042 mm 0.421 mm 0.418 mm 119. HRAS_085 EG 1983.08.24-19:02:06.696 -0.007 mm 0.421 mm 0.418 mm 120. MOJAVE12 7222 NOAM X Comp -2356171087.40 mm 8.602 mm 2.975 mm 2.956 mm 121. MOJAVE12 7222 NOAM Y Comp -4646755817.58 mm 14.417 mm 5.979 mm 5.941 mm 122. MOJAVE12 7222 NOAM Z Comp 3668470550.35 mm -30.655 mm 4.607 mm 4.578 mm MOJAVE12 7222 U Comp -31.39 mm -31.391 mm 7.839 mm 6.278 mm MOJAVE12 7222 E Comp 1.15 mm 1.152 mm 1.427 mm 1.143 mm MOJAVE12 7222 N Comp -15.32 mm -15.323 mm 1.532 mm 1.227 mm 123. MOJAVE12 CL 0 1983.08.23-19:03:06.696 9767.525 ns 0.083 ns 0.082 ns 124. MOJAVE12 CL 1 1983.08.23-19:03:06.696 -291.575 D-14 1.986 D-14 1.973 D-14 125. MOJAVE12 CL 2 1983.08.23-19:03:06.696 -3.325 D-14/day 1.604 D-14/day 1.594 D-14/day 152. MOJAVE12 AT 0 1983.08.23-19:03:06.696 -28.713 ps 50.070 ps 49.750 ps MOJAVE12 Atm 1983.08.24-08:03:38.880 Avg: -3.730 ps Rms: 26.804 ps Tot_Rms: 27.062 ps || Nat: 145 Dura: 90948.0 sec Tzd_avg: 7122.2 Tzd_rms: 10.6 Wzd_avg: 228.6 Wzd_rms: 10.2 ps Prs_avg: 90870. Pa Tem_avg: 22.9 C Stm_avg: -1.2 C Stm_rms: 2.8 K Spr_avg: 64. Spr_rms: 54. Pa 231. MOJAVE12 NG 1983.08.23-19:02:06.696 0.016 mm 0.419 mm 0.416 mm 232. MOJAVE12 EG 1983.08.23-19:02:06.696 0.062 mm 0.415 mm 0.412 mm 233. MOJAVE12 NG 1983.08.24-03:02:06.696 0.032 mm 0.374 mm 0.372 mm 234. MOJAVE12 EG 1983.08.24-03:02:06.696 0.049 mm 0.372 mm 0.369 mm 235. MOJAVE12 NG 1983.08.24-11:02:06.696 0.023 mm 0.374 mm 0.372 mm 236. MOJAVE12 EG 1983.08.24-11:02:06.696 -0.092 mm 0.370 mm 0.368 mm 237. MOJAVE12 NG 1983.08.24-19:02:06.696 -0.017 mm 0.416 mm 0.413 mm 238. MOJAVE12 EG 1983.08.24-19:02:06.696 0.052 mm 0.412 mm 0.409 mm 239. OVRO_130 7207 NOAM X Comp -2409600847.20 mm 39.798 mm 3.008 mm 2.989 mm 240. OVRO_130 7207 NOAM Y Comp -4478349506.60 mm -42.599 mm 5.705 mm 5.668 mm 241. OVRO_130 7207 NOAM Z Comp 3838603183.42 mm -4.581 mm 4.731 mm 4.701 mm OVRO_130 7207 U Comp 12.08 mm 12.082 mm 7.695 mm 6.163 mm OVRO_130 7207 E Comp 55.23 mm 55.231 mm 1.522 mm 1.219 mm OVRO_130 7207 N Comp -14.94 mm -14.935 mm 1.563 mm 1.252 mm 242. OVRO_130 AT 0 1983.08.23-19:03:06.696 7.811 ps 52.091 ps 51.758 ps OVRO_130 Atm 1983.08.24-08:03:38.880 Avg: 0.940 ps Rms: 58.090 ps Tot_Rms: 58.098 ps || Nat: 135 Dura: 90948.0 sec Tzd_avg: 6889.2 Tzd_rms: 41.8 Wzd_avg: 228.2 Wzd_rms: 41.5 ps Prs_avg: 87844. Pa Tem_avg: 20.1 C Stm_avg: -1.2 C Stm_rms: 3.5 K Spr_avg: 66. Spr_rms: 125. Pa 321. OVRO_130 NG 1983.08.23-19:02:06.696 0.047 mm 0.419 mm 0.417 mm 322. OVRO_130 EG 1983.08.23-19:02:06.696 -0.127 mm 0.416 mm 0.414 mm 323. OVRO_130 NG 1983.08.24-03:02:06.696 -0.010 mm 0.375 mm 0.372 mm 324. OVRO_130 EG 1983.08.24-03:02:06.696 -0.084 mm 0.372 mm 0.370 mm 325. OVRO_130 NG 1983.08.24-11:02:06.696 -0.035 mm 0.375 mm 0.372 mm 326. OVRO_130 EG 1983.08.24-11:02:06.696 0.118 mm 0.372 mm 0.369 mm 327. OVRO_130 NG 1983.08.24-19:02:06.696 0.056 mm 0.417 mm 0.414 mm 328. OVRO_130 EG 1983.08.24-19:02:06.696 -0.003 mm 0.414 mm 0.411 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 25.33 ps/h NRMS 0.51 share 0.79 count 79 2. MOJAVE12 Input 50.00 ps/h RMS 28.16 ps/h NRMS 0.56 share 0.70 count 79 3. OVRO_130 Input 50.00 ps/h RMS 25.49 ps/h NRMS 0.51 share 0.70 count 79 Overall RMS 26.36 ps/h NRMS 0.53 share 0.73 count 237 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.25 mm/d NRMS 0.13 share 0.52 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.32 mm/d NRMS 0.16 share 0.52 count 8 Overall RMS 0.25 mm/d NRMS 0.12 share 0.53 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.04 D-14 NRMS 0.41 share 0.18 count 27 2. MOJAVE12 Input 5.00 D-14 RMS 1.47 D-14 NRMS 0.29 share 0.15 count 27 Overall RMS 1.78 D-14 NRMS 0.36 share 0.17 count 54 329. UT1-TAI 1, 1983.08.24-07:41:00.000 -1.8964 ms/d -186.60 micros/d 248.35 micros/d 246.76 micros/d EOP epoch (TDT) MJD: 45570.320511 NUT epoch (TDT) MJD: 45570.325896 330. Nutation DPSI wrt apriori model 1983.08.24-07:41:03.336 -1.092 mas 2100.8 microasec 2087.4 microasec Nutation Dx wrt apriori model 1983.08.24-07:41:03.336 -0.437 mas 833.1 microasec 827.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.24-07:41:03.336 -7.339 mas 2100.8 microasec 2087.4 microasec 331. Nutation DEPS wrt apriori model 1983.08.24-07:41:03.336 0.617 mas 720.7 microasec 716.1 microasec Nutation Dy wrt apriori model 1983.08.24-07:41:03.336 0.616 mas 723.7 microasec 719.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.24-07:41:03.336 0.249 mas 720.7 microasec 716.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0517 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368159.19 3.55 1313368159.19 3.55 -24.19 3.08 41.70 16.26 HRAS_085 7216 to OVRO_130 7207 1508195400.55 3.89 1508195400.55 3.89 6.46 2.95 -6.39 16.04 MOJAVE12 7222 to OVRO_130 7207 245276451.48 2.15 245276451.48 2.15 46.36 1.90 -44.48 11.91 NNT_POS: 5 stations participated in NNT_POS constraints: FORT_ORD MOJAVE12 OVRO_130 PRESIDIO VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:00 Correlator type: Unknown Experiment code: cdp83i Mark-3 db_name: $83AUG25XJ Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830825_a Ver 2 cdp83i Matrix Condition Number = 2.674392657067459E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- FORT_ORD: GION | | GOLDVENU: | | MOJAVE12: GION | | OVRO_130: GION | | PRESIDIO: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for FORT_ORD is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PRESIDIO is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms FORT_ORD MET 15.8 3.1 1013.7 0.5 63.4 9.5 GOLDVENU MET -999.0 0.0 -999.0 0.0 0.0 0.0 MOJAVE12 MET 24.5 5.4 911.9 0.8 33.6 2.2 OVRO_130 MET 21.8 6.3 882.2 1.3 3.6 0.9 PRESIDIO MET 16.1 2.0 1019.3 0.6 71.3 9.1 VNDNBERG MET 17.9 2.0 1015.7 1.3 60.2 3.6 Run 26091-1741 1005 Observation Pairs Available Session started on: 2445572.254400 1983.08.25 18:06:20.160 UTC Nominal duration: 82296.000 sec 00 22:51:36.000 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 366 21.017 ps 0.79 0.9998 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 380 Number of potentially good observations with QC 5-9: 380 Number of used observations: 366 ( 96.32%) Number of suppressed observations: 14 ( 3.68%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps FORT_ORD MOJAVE12 47 47 33.076 0.89 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT FORT_ORD OVRO_130 60 60 10.273 0.64 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT FORT_ORD PRESIDIO 6 7 125.530 0.98 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT FORT_ORD VNDNBERG 26 29 42.261 0.90 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT MOJAVE12 OVRO_130 42 44 10.832 0.62 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT MOJAVE12 PRESIDIO 42 42 81.776 0.87 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT MOJAVE12 VNDNBERG 36 38 49.927 0.92 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT OVRO_130 PRESIDIO 50 53 63.819 0.84 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT OVRO_130 VNDNBERG 49 51 16.986 0.66 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT PRESIDIO VNDNBERG 8 9 62.761 0.83 19830825_a cdp83i 1983.08.26-05:32:08.1 BAS_STAT Not included: FORT_ORD GOLDVENU 0/ 0 deselected baseline 19830825_a cdp83i GOLDVENU MOJAVE12 0/ 0 deselected baseline 19830825_a cdp83i GOLDVENU OVRO_130 0/ 0 deselected baseline 19830825_a cdp83i GOLDVENU PRESIDIO 0/ 0 deselected baseline 19830825_a cdp83i GOLDVENU VNDNBERG 0/ 0 deselected baseline 19830825_a cdp83i Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 16 17 49 36.711 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 0552+398 J0555+3948 12 12 44 36.222 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 0727-115 J0730-1141 10 13 41 38.178 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 1921-293 J1924-2914 29 29 58 22.653 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 2134+00 J2136+0041 31 32 66 18.398 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 3C120 J0433+0521 11 11 64 37.184 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 3C273B J1229+0203 39 40 88 16.737 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 3C279 J1256-0547 21 22 62 18.912 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 3C345 J1642+3948 33 36 103 24.975 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 3C418 J2038+5119 31 31 103 28.550 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 3C454.3 J2253+1608 27 29 58 18.861 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 3C84 J0319+4130 40 40 70 11.967 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: 4C39.25 J0927+3902 14 14 64 29.347 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: NRAO150 J0359+5057 23 23 64 34.356 19830825_a cdp83i 1983.08.26-05:32:08.160 SRC_STAT: NRAO530 J1733-1304 29 31 71 24.231 19830825_a cdp83i 1983.08.26-05:32:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.26-05:31:35 1. FORT_ORD 7266 PCFC X Comp -2697026976.34 mm 113.663 mm 11.128 mm 11.127 mm 2. FORT_ORD 7266 PCFC Y Comp -4354393178.35 mm -116.354 mm 17.832 mm 17.830 mm 3. FORT_ORD 7266 PCFC Z Comp 3788077711.04 mm -255.964 mm 15.168 mm 15.166 mm FORT_ORD 7266 U Comp -121.53 mm -121.528 mm 25.497 mm 20.155 mm FORT_ORD 7266 E Comp 157.90 mm 157.897 mm 3.232 mm 2.554 mm FORT_ORD 7266 N Comp -228.64 mm -228.637 mm 3.362 mm 2.658 mm 4. FORT_ORD CL 0 1983.08.25-18:05:47.976 5709.210 ns 0.159 ns 0.159 ns 5. FORT_ORD CL 1 1983.08.25-18:05:47.976 -223.919 D-14 2.160 D-14 2.160 D-14 6. FORT_ORD CL 2 1983.08.25-18:05:47.976 3.355 D-14/day 1.982 D-14/day 1.982 D-14/day 30. FORT_ORD AT 0 1983.08.25-18:05:47.976 -283.025 ps 103.354 ps 103.344 ps FORT_ORD Atm 1983.08.26-05:36:20.160 Avg: -213.887 ps Rms: 25.756 ps Tot_Rms: 215.432 ps || Nat: 79 Dura: 82290.0 sec Tzd_avg: 8015.9 Tzd_rms: 42.1 Wzd_avg: 330.8 Wzd_rms: 39.2 ps Prs_avg: 101367. Pa Tem_avg: 15.8 C Stm_avg: -1.5 C Stm_rms: 1.8 K Spr_avg: 54. Spr_rms: 42. Pa 100. FORT_ORD NG 1983.08.25-18:04:47.976 -0.010 mm 0.422 mm 0.422 mm 101. FORT_ORD EG 1983.08.25-18:04:47.976 0.008 mm 0.421 mm 0.421 mm 102. FORT_ORD NG 1983.08.26-02:04:47.976 -0.002 mm 0.376 mm 0.376 mm 103. FORT_ORD EG 1983.08.26-02:04:47.976 -0.015 mm 0.376 mm 0.376 mm 104. FORT_ORD NG 1983.08.26-10:04:47.976 0.049 mm 0.376 mm 0.376 mm 105. FORT_ORD EG 1983.08.26-10:04:47.976 -0.018 mm 0.376 mm 0.376 mm 106. FORT_ORD NG 1983.08.26-18:04:47.976 0.030 mm 0.422 mm 0.422 mm 107. FORT_ORD EG 1983.08.26-18:04:47.976 -0.008 mm 0.422 mm 0.422 mm 108. MOJAVE12 7222 NOAM X Comp -2356171253.64 mm -157.637 mm 10.694 mm 10.693 mm 109. MOJAVE12 7222 NOAM Y Comp -4646755665.94 mm 166.063 mm 19.886 mm 19.884 mm 110. MOJAVE12 7222 NOAM Z Comp 3668470825.08 mm 244.085 mm 15.447 mm 15.446 mm MOJAVE12 7222 U Comp 78.48 mm 78.485 mm 26.775 mm 21.166 mm MOJAVE12 7222 E Comp -215.70 mm -215.697 mm 4.381 mm 3.463 mm MOJAVE12 7222 N Comp 243.55 mm 243.555 mm 3.508 mm 2.773 mm 111. MOJAVE12 CL 0 1983.08.25-18:05:47.976 9665.581 ns 0.487 ns 0.487 ns 112. MOJAVE12 CL 1 1983.08.25-18:05:47.976 -309.408 D-14 2.915 D-14 2.915 D-14 113. MOJAVE12 CL 2 1983.08.25-18:05:47.976 0.423 D-14/day 2.463 D-14/day 2.463 D-14/day 137. MOJAVE12 AT 0 1983.08.25-18:05:47.976 -264.505 ps 148.993 ps 148.979 ps MOJAVE12 Atm 1983.08.26-05:36:20.160 Avg: -218.698 ps Rms: 32.205 ps Tot_Rms: 221.057 ps || Nat: 79 Dura: 82290.0 sec Tzd_avg: 7118.2 Tzd_rms: 14.2 Wzd_avg: 202.2 Wzd_rms: 10.7 ps Prs_avg: 91201. Pa Tem_avg: 24.8 C Stm_avg: -1.4 C Stm_rms: 3.6 K Spr_avg: 111. Spr_rms: 65. Pa 207. MOJAVE12 NG 1983.08.25-18:04:47.976 -0.003 mm 0.422 mm 0.422 mm 208. MOJAVE12 EG 1983.08.25-18:04:47.976 0.003 mm 0.422 mm 0.422 mm 209. MOJAVE12 NG 1983.08.26-02:04:47.976 0.008 mm 0.376 mm 0.376 mm 210. MOJAVE12 EG 1983.08.26-02:04:47.976 -0.023 mm 0.376 mm 0.376 mm 211. MOJAVE12 NG 1983.08.26-10:04:47.976 0.022 mm 0.377 mm 0.377 mm 212. MOJAVE12 EG 1983.08.26-10:04:47.976 0.026 mm 0.376 mm 0.376 mm 213. MOJAVE12 NG 1983.08.26-18:04:47.976 -0.027 mm 0.421 mm 0.421 mm 214. MOJAVE12 EG 1983.08.26-18:04:47.976 0.008 mm 0.422 mm 0.422 mm 215. OVRO_130 7207 NOAM X Comp -2409601000.20 mm -113.199 mm 8.789 mm 8.788 mm 216. OVRO_130 7207 NOAM Y Comp -4478349319.51 mm 144.491 mm 13.987 mm 13.986 mm 217. OVRO_130 7207 NOAM Z Comp 3838603429.79 mm 241.785 mm 11.853 mm 11.852 mm OVRO_130 7207 U Comp 87.68 mm 87.684 mm 19.905 mm 15.734 mm OVRO_130 7207 E Comp -168.15 mm -168.148 mm 2.814 mm 2.224 mm OVRO_130 7207 N Comp 237.04 mm 237.043 mm 3.043 mm 2.405 mm 218. OVRO_130 AT 0 1983.08.25-18:05:47.976 -145.292 ps 115.985 ps 115.975 ps OVRO_130 Atm 1983.08.26-05:36:20.160 Avg: -157.050 ps Rms: 52.795 ps Tot_Rms: 165.686 ps || Nat: 68 Dura: 82290.0 sec Tzd_avg: 6887.5 Tzd_rms: 35.7 Wzd_avg: 198.2 Wzd_rms: 37.7 ps Prs_avg: 88215. Pa Tem_avg: 22.2 C Stm_avg: -1.5 C Stm_rms: 4.1 K Spr_avg: 80. Spr_rms: 115. Pa 288. OVRO_130 NG 1983.08.25-18:04:47.976 -0.032 mm 0.421 mm 0.421 mm 289. OVRO_130 EG 1983.08.25-18:04:47.976 -0.045 mm 0.420 mm 0.420 mm 290. OVRO_130 NG 1983.08.26-02:04:47.976 -0.019 mm 0.376 mm 0.376 mm 291. OVRO_130 EG 1983.08.26-02:04:47.976 -0.033 mm 0.375 mm 0.375 mm 292. OVRO_130 NG 1983.08.26-10:04:47.976 -0.033 mm 0.375 mm 0.375 mm 293. OVRO_130 EG 1983.08.26-10:04:47.976 0.011 mm 0.374 mm 0.374 mm 294. OVRO_130 NG 1983.08.26-18:04:47.976 0.038 mm 0.421 mm 0.421 mm 295. OVRO_130 EG 1983.08.26-18:04:47.976 -0.004 mm 0.422 mm 0.421 mm 296. PRESIDIO 7252 NOAM X Comp -2707705040.70 mm 65.295 mm 23.327 mm 23.325 mm 297. PRESIDIO 7252 NOAM Y Comp -4257609372.71 mm 16.294 mm 36.257 mm 36.253 mm 298. PRESIDIO 7252 NOAM Z Comp 3888374254.59 mm -81.406 mm 31.706 mm 31.703 mm PRESIDIO 7252 U Comp -88.45 mm -88.448 mm 52.597 mm 41.577 mm PRESIDIO 7252 E Comp 46.35 mm 46.353 mm 6.443 mm 5.093 mm PRESIDIO 7252 N Comp -34.41 mm -34.412 mm 7.479 mm 5.912 mm 299. PRESIDIO CL 0 1983.08.25-18:05:47.976 6697.559 ns 0.321 ns 0.321 ns 300. PRESIDIO CL 1 1983.08.25-18:05:47.976 -65.978 D-14 2.280 D-14 2.280 D-14 301. PRESIDIO CL 2 1983.08.25-18:05:47.976 0.526 D-14/day 2.154 D-14/day 2.153 D-14/day 325. PRESIDIO AT 0 1983.08.25-18:05:47.976 -27.982 ps 129.892 ps 129.881 ps PRESIDIO Atm 1983.08.26-05:36:20.160 Avg: 15.200 ps Rms: 24.393 ps Tot_Rms: 28.741 ps || Nat: 79 Dura: 82290.0 sec Tzd_avg: 8094.9 Tzd_rms: 48.3 Wzd_avg: 361.0 Wzd_rms: 45.6 ps Prs_avg: 101928. Pa Tem_avg: 16.1 C Stm_avg: -1.6 C Stm_rms: 0.9 K Spr_avg: -50. Spr_rms: 20. Pa 395. PRESIDIO NG 1983.08.25-18:04:47.976 0.019 mm 0.422 mm 0.422 mm 396. PRESIDIO EG 1983.08.25-18:04:47.976 0.017 mm 0.422 mm 0.422 mm 397. PRESIDIO NG 1983.08.26-02:04:47.976 0.019 mm 0.377 mm 0.377 mm 398. PRESIDIO EG 1983.08.26-02:04:47.976 0.030 mm 0.377 mm 0.377 mm 399. PRESIDIO NG 1983.08.26-10:04:47.976 -0.013 mm 0.377 mm 0.377 mm 400. PRESIDIO EG 1983.08.26-10:04:47.976 -0.019 mm 0.377 mm 0.377 mm 401. PRESIDIO NG 1983.08.26-18:04:47.976 -0.009 mm 0.422 mm 0.422 mm 402. PRESIDIO EG 1983.08.26-18:04:47.976 -0.005 mm 0.422 mm 0.422 mm 403. VNDNBERG 7223 PCFC X Comp -2678094955.12 mm 91.878 mm 15.156 mm 15.155 mm 404. VNDNBERG 7223 PCFC Y Comp -4525450710.49 mm -210.494 mm 24.558 mm 24.556 mm 405. VNDNBERG 7223 PCFC Z Comp 3597410267.50 mm -148.500 mm 18.177 mm 18.176 mm VNDNBERG 7223 U Comp 26.42 mm 26.422 mm 33.490 mm 26.473 mm VNDNBERG 7223 E Comp 186.27 mm 186.272 mm 3.447 mm 2.725 mm VNDNBERG 7223 N Comp -198.51 mm -198.510 mm 5.454 mm 4.311 mm 406. VNDNBERG CL 0 1983.08.25-18:05:47.976 21047.425 ns 0.207 ns 0.207 ns 407. VNDNBERG CL 1 1983.08.25-18:05:47.976 -152.972 D-14 2.165 D-14 2.164 D-14 408. VNDNBERG CL 2 1983.08.25-18:05:47.976 0.434 D-14/day 1.985 D-14/day 1.985 D-14/day 432. VNDNBERG AT 0 1983.08.25-18:05:47.976 -179.112 ps 133.531 ps 133.519 ps VNDNBERG Atm 1983.08.26-05:36:20.160 Avg: -263.072 ps Rms: 39.525 ps Tot_Rms: 266.024 ps || Nat: 78 Dura: 82290.0 sec Tzd_avg: 8034.7 Tzd_rms: 13.5 Wzd_avg: 336.3 Wzd_rms: 20.2 ps Prs_avg: 101574. Pa Tem_avg: 18.0 C Stm_avg: -0.3 C Stm_rms: 1.5 K Spr_avg: 106. Spr_rms: 41. Pa 502. VNDNBERG NG 1983.08.25-18:04:47.976 0.025 mm 0.422 mm 0.422 mm 503. VNDNBERG EG 1983.08.25-18:04:47.976 0.015 mm 0.422 mm 0.422 mm 504. VNDNBERG NG 1983.08.26-02:04:47.976 -0.010 mm 0.377 mm 0.377 mm 505. VNDNBERG EG 1983.08.26-02:04:47.976 0.036 mm 0.376 mm 0.376 mm 506. VNDNBERG NG 1983.08.26-10:04:47.976 -0.030 mm 0.377 mm 0.377 mm 507. VNDNBERG EG 1983.08.26-10:04:47.976 -0.003 mm 0.376 mm 0.376 mm 508. VNDNBERG NG 1983.08.26-18:04:47.976 -0.037 mm 0.422 mm 0.422 mm 509. VNDNBERG EG 1983.08.26-18:04:47.976 0.002 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. FORT_ORD Input 50.00 ps/h RMS 19.86 ps/h NRMS 0.40 share 0.84 count 70 3. MOJAVE12 Input 50.00 ps/h RMS 17.31 ps/h NRMS 0.35 share 0.87 count 70 4. OVRO_130 Input 50.00 ps/h RMS 23.31 ps/h NRMS 0.47 share 0.78 count 70 5. PRESIDIO Input 50.00 ps/h RMS 11.24 ps/h NRMS 0.22 share 0.94 count 70 6. VNDNBERG Input 50.00 ps/h RMS 15.99 ps/h NRMS 0.32 share 0.89 count 70 Overall RMS 17.99 ps/h NRMS 0.36 share 0.86 count 350 Gradient Constraint Statistics 1. FORT_ORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.53 count 8 3. MOJAVE12 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 4. OVRO_130 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 5. PRESIDIO Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 6. VNDNBERG Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.04 share 0.53 count 40 Clock Constraint Statistics 1. FORT_ORD Input 5.00 D-14 RMS 3.03 D-14 NRMS 0.61 share 0.22 count 24 3. MOJAVE12 Input 5.00 D-14 RMS 1.50 D-14 NRMS 0.30 share 0.34 count 24 5. PRESIDIO Input 5.00 D-14 RMS 3.70 D-14 NRMS 0.74 share 0.39 count 24 6. VNDNBERG Input 5.00 D-14 RMS 2.13 D-14 NRMS 0.43 share 0.26 count 24 Overall RMS 2.72 D-14 NRMS 0.54 share 0.31 count 96 510. UT1-TAI 1, 1983.08.26-05:32:00.000 -3.3937 ms/d -1489.69 micros/d 1221.13 micros/d 1221.02 micros/d EOP epoch (TDT) MJD: 45572.230928 NUT epoch (TDT) MJD: 45572.223958 511. Nutation DPSI wrt apriori model 1983.08.26-05:31:35.976 -3.714 mas 6908.5 microasec 6907.9 microasec Nutation Dx wrt apriori model 1983.08.26-05:31:35.976 -1.476 mas 2735.5 microasec 2735.3 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.26-05:31:35.976 -9.798 mas 6908.5 microasec 6907.9 microasec 512. Nutation DEPS wrt apriori model 1983.08.26-05:31:35.976 -0.384 mas 3497.1 microasec 3496.8 microasec Nutation Dy wrt apriori model 1983.08.26-05:31:35.976 -0.390 mas 3507.1 microasec 3506.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.26-05:31:35.976 -0.647 mas 3497.1 microasec 3496.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1032 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) FORT_ORD 7266 to MOJAVE12 7222 464719544.47 6.89 464719544.47 6.89 -327.24 4.21 -202.32 37.86 FORT_ORD 7266 to OVRO_130 7207 317067287.72 4.30 317067287.72 4.30 -521.09 3.71 -208.80 28.52 FORT_ORD 7266 to PRESIDIO 7252 139787419.83 10.16 139787419.83 10.16 -17.62 6.40 -36.76 68.01 FORT_ORD 7266 to VNDNBERG 7223 256852437.70 7.57 256852437.70 7.57 -41.50 3.85 -137.17 45.10 MOJAVE12 7222 to OVRO_130 7207 245276453.25 4.63 245276453.25 4.63 41.93 2.84 2.57 30.20 MOJAVE12 7222 to PRESIDIO 7252 568654868.35 11.65 568654868.35 11.65 -110.41 7.82 178.32 70.10 MOJAVE12 7222 to VNDNBERG 7223 351282457.06 6.55 351282457.06 6.55 -526.77 6.46 51.92 44.35 OVRO_130 7207 to PRESIDIO 7252 374258303.96 9.12 374258303.96 9.12 -228.11 8.50 180.87 65.61 OVRO_130 7207 to VNDNBERG 7223 363980337.93 6.89 363980337.92 6.89 -541.71 5.24 58.71 40.06 PRESIDIO 7252 to VNDNBERG 7223 396580106.89 12.33 396580106.89 12.33 -61.80 6.94 -105.13 75.09 NNT_POS: 5 stations participated in NNT_POS constraints: MOJAVE12 OVRO_130 PRESIDIO PT_REYES VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:03 Correlator type: Unknown Experiment code: cdp83j Mark-3 db_name: $83AUG27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830827_a Ver 2 cdp83j Matrix Condition Number = 4.264927412329349E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | MOJAVE12: GION | | OVRO_130: GION | | PRESIDIO: GION | | PT_REYES: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PRESIDIO is 5.0 Elevation cut for PT_REYES is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET 27.5 3.0 919.6 0.2 29.3 0.5 MOJAVE12 MET 27.8 5.2 910.6 0.7 28.9 0.3 OVRO_130 MET 21.6 9.0 878.6 1.1 15.0 0.0 PRESIDIO MET 16.1 2.2 1016.9 0.4 70.1 5.2 PT_REYES MET 15.2 1.8 1014.5 0.5 100.0 19.6 VNDNBERG MET 19.3 2.4 1013.7 0.8 50.8 5.8 Run 26091-1741 1129 Observation Pairs Available Session started on: 2445574.466600 1983.08.27 23:11:54.240 UTC Nominal duration: 85449.600 sec 00 23:44:09.600 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 359 18.821 ps 0.78 1.0059 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 383 Number of potentially good observations with QC 5-9: 383 Number of used observations: 359 ( 93.73%) Number of suppressed observations: 24 ( 6.27%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 OVRO_130 37 39 3.186 0.36 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT MOJAVE12 PRESIDIO 19 20 83.767 0.86 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT MOJAVE12 PT_REYES 32 33 81.272 0.93 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT MOJAVE12 VNDNBERG 31 36 30.157 0.80 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT OVRO_130 PRESIDIO 61 62 90.221 0.86 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT OVRO_130 PT_REYES 63 69 21.819 0.69 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT OVRO_130 VNDNBERG 69 74 28.354 0.77 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT PRESIDIO PT_REYES 12 12 112.181 0.90 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT PRESIDIO VNDNBERG 10 10 59.626 0.77 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT PT_REYES VNDNBERG 25 28 64.804 0.90 19830827_a cdp83j 1983.08.28-11:03:59.0 BAS_STAT Not included: GOLDVENU MOJAVE12 0/ 0 deselected baseline 19830827_a cdp83j GOLDVENU OVRO_130 0/ 0 deselected baseline 19830827_a cdp83j GOLDVENU PRESIDIO 0/ 0 deselected baseline 19830827_a cdp83j GOLDVENU PT_REYES 0/ 0 deselected baseline 19830827_a cdp83j GOLDVENU VNDNBERG 0/ 0 deselected baseline 19830827_a cdp83j Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 18 18 54 27.457 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 0552+398 J0555+3948 21 22 89 26.577 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 0727-115 J0730-1141 12 12 40 21.058 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 1921-293 J1924-2914 16 20 70 22.002 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 2134+00 J2136+0041 29 33 104 18.826 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 3C120 J0433+0521 9 12 54 69.391 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 3C273B J1229+0203 39 39 74 15.483 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 3C279 J1256-0547 19 22 59 18.240 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 3C345 J1642+3948 24 26 75 9.387 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 3C418 J2038+5119 16 16 66 35.884 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 3C454.3 J2253+1608 39 41 105 15.664 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 3C84 J0319+4130 61 61 112 13.230 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: 4C39.25 J0927+3902 14 16 61 25.113 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: NRAO150 J0359+5057 25 27 96 34.785 19830827_a cdp83j 1983.08.28-11:03:59.040 SRC_STAT: NRAO530 J1733-1304 17 18 70 15.724 19830827_a cdp83j 1983.08.28-11:03:59.040 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.28-11:03:26 1. MOJAVE12 7222 NOAM X Comp -2356171229.42 mm -133.421 mm 12.519 mm 12.556 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755638.03 mm 193.974 mm 24.616 mm 24.689 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470779.56 mm 198.556 mm 19.305 mm 19.362 mm MOJAVE12 7222 U Comp 22.91 mm 22.912 mm 32.915 mm 25.669 mm MOJAVE12 7222 E Comp -206.72 mm -206.721 mm 5.553 mm 4.331 mm MOJAVE12 7222 N Comp 227.14 mm 227.142 mm 4.597 mm 3.585 mm 4. MOJAVE12 AT 0 1983.08.27-23:11:22.056 -36.721 ps 135.796 ps 136.198 ps MOJAVE12 Atm 1983.08.28-11:11:54.240 Avg: 40.881 ps Rms: 41.755 ps Tot_Rms: 58.436 ps || Nat: 76 Dura: 82000.0 sec Tzd_avg: 7229.7 Tzd_rms: 48.4 Wzd_avg: 327.2 Wzd_rms: 51.8 ps Prs_avg: 91056. Pa Tem_avg: 28.0 C Stm_avg: -1.1 C Stm_rms: 3.0 K Spr_avg: 88. Spr_rms: 47. Pa 77. MOJAVE12 NG 1983.08.27-23:10:22.056 0.012 mm 0.422 mm 0.423 mm 78. MOJAVE12 EG 1983.08.27-23:10:22.056 0.016 mm 0.421 mm 0.423 mm 79. MOJAVE12 NG 1983.08.28-07:10:22.056 0.015 mm 0.376 mm 0.378 mm 80. MOJAVE12 EG 1983.08.28-07:10:22.056 0.009 mm 0.376 mm 0.377 mm 81. MOJAVE12 NG 1983.08.28-15:10:22.056 -0.000 mm 0.377 mm 0.378 mm 82. MOJAVE12 EG 1983.08.28-15:10:22.056 -0.020 mm 0.377 mm 0.378 mm 83. MOJAVE12 NG 1983.08.28-23:10:22.056 -0.034 mm 0.421 mm 0.423 mm 84. MOJAVE12 EG 1983.08.28-23:10:22.056 -0.032 mm 0.421 mm 0.422 mm 85. OVRO_130 7207 NOAM X Comp -2409600991.80 mm -104.805 mm 10.357 mm 10.388 mm 86. OVRO_130 7207 NOAM Y Comp -4478349320.98 mm 143.022 mm 17.512 mm 17.564 mm 87. OVRO_130 7207 NOAM Z Comp 3838603415.66 mm 227.663 mm 15.123 mm 15.168 mm OVRO_130 7207 U Comp 77.00 mm 77.003 mm 24.864 mm 19.390 mm OVRO_130 7207 E Comp -160.06 mm -160.060 mm 3.612 mm 2.817 mm OVRO_130 7207 N Comp 227.42 mm 227.422 mm 3.379 mm 2.635 mm 88. OVRO_130 CL 0 1983.08.27-23:11:22.056 -8867.040 ns 0.215 ns 0.216 ns 89. OVRO_130 CL 1 1983.08.27-23:11:22.056 321.304 D-14 2.113 D-14 2.120 D-14 90. OVRO_130 CL 2 1983.08.27-23:11:22.056 1.324 D-14/day 1.863 D-14/day 1.869 D-14/day 115. OVRO_130 AT 0 1983.08.27-23:11:22.056 -2.105 ps 110.422 ps 110.749 ps OVRO_130 Atm 1983.08.28-11:11:54.240 Avg: -62.669 ps Rms: 41.309 ps Tot_Rms: 75.059 ps || Nat: 86 Dura: 85444.0 sec Tzd_avg: 6885.2 Tzd_rms: 27.2 Wzd_avg: 200.2 Wzd_rms: 30.9 ps Prs_avg: 87850. Pa Tem_avg: 22.3 C Stm_avg: -1.1 C Stm_rms: 6.3 K Spr_avg: -227. Spr_rms: 111. Pa 188. OVRO_130 NG 1983.08.27-23:10:22.056 -0.022 mm 0.421 mm 0.422 mm 189. OVRO_130 EG 1983.08.27-23:10:22.056 -0.053 mm 0.421 mm 0.422 mm 190. OVRO_130 NG 1983.08.28-07:10:22.056 -0.062 mm 0.375 mm 0.376 mm 191. OVRO_130 EG 1983.08.28-07:10:22.056 -0.059 mm 0.375 mm 0.376 mm 192. OVRO_130 NG 1983.08.28-15:10:22.056 0.007 mm 0.376 mm 0.377 mm 193. OVRO_130 EG 1983.08.28-15:10:22.056 0.026 mm 0.376 mm 0.377 mm 194. OVRO_130 NG 1983.08.28-23:10:22.056 0.054 mm 0.420 mm 0.421 mm 195. OVRO_130 EG 1983.08.28-23:10:22.056 0.098 mm 0.420 mm 0.421 mm 196. PRESIDIO 7252 NOAM X Comp -2707705129.95 mm -23.953 mm 28.954 mm 29.040 mm 197. PRESIDIO 7252 NOAM Y Comp -4257609532.13 mm -143.132 mm 44.805 mm 44.938 mm 198. PRESIDIO 7252 NOAM Z Comp 3888374390.50 mm 54.505 mm 42.363 mm 42.489 mm PRESIDIO 7252 U Comp 138.99 mm 138.991 mm 66.957 mm 52.218 mm PRESIDIO 7252 E Comp 56.60 mm 56.598 mm 8.009 mm 6.246 mm PRESIDIO 7252 N Comp -38.85 mm -38.849 mm 9.648 mm 7.524 mm 199. PRESIDIO CL 0 1983.08.27-23:11:22.056 -2294.845 ns 0.515 ns 0.516 ns 200. PRESIDIO CL 1 1983.08.27-23:11:22.056 255.949 D-14 2.539 D-14 2.546 D-14 201. PRESIDIO CL 2 1983.08.27-23:11:22.056 0.680 D-14/day 2.152 D-14/day 2.158 D-14/day 226. PRESIDIO AT 0 1983.08.27-23:11:22.056 -267.880 ps 151.982 ps 152.432 ps PRESIDIO Atm 1983.08.28-11:11:54.240 Avg: -221.872 ps Rms: 50.906 ps Tot_Rms: 227.637 ps || Nat: 82 Dura: 80694.0 sec Tzd_avg: 8103.4 Tzd_rms: 15.9 Wzd_avg: 392.2 Wzd_rms: 20.9 ps Prs_avg: 101685. Pa Tem_avg: 16.2 C Stm_avg: -1.8 C Stm_rms: 0.8 K Spr_avg: -6. Spr_rms: 37. Pa 299. PRESIDIO NG 1983.08.27-23:10:22.056 -0.010 mm 0.422 mm 0.424 mm 300. PRESIDIO EG 1983.08.27-23:10:22.056 0.005 mm 0.422 mm 0.423 mm 301. PRESIDIO NG 1983.08.28-07:10:22.056 -0.013 mm 0.377 mm 0.378 mm 302. PRESIDIO EG 1983.08.28-07:10:22.056 0.000 mm 0.377 mm 0.378 mm 303. PRESIDIO NG 1983.08.28-15:10:22.056 0.004 mm 0.377 mm 0.378 mm 304. PRESIDIO EG 1983.08.28-15:10:22.056 -0.012 mm 0.377 mm 0.378 mm 305. PRESIDIO NG 1983.08.28-23:10:22.056 0.003 mm 0.422 mm 0.424 mm 306. PRESIDIO EG 1983.08.28-23:10:22.056 -0.008 mm 0.422 mm 0.424 mm 307. PT_REYES 7251 PCFC X Comp -2732333301.51 mm 93.491 mm 14.543 mm 14.586 mm 308. PT_REYES 7251 PCFC Y Comp -4217634751.36 mm -67.356 mm 24.845 mm 24.919 mm 309. PT_REYES 7251 PCFC Z Comp 3914491129.87 mm -250.129 mm 21.157 mm 21.220 mm PT_REYES 7251 U Comp -149.87 mm -149.867 mm 34.968 mm 27.270 mm PT_REYES 7251 E Comp 115.09 mm 115.087 mm 5.299 mm 4.133 mm PT_REYES 7251 N Comp -200.34 mm -200.342 mm 5.057 mm 3.944 mm 310. PT_REYES CL 0 1983.08.27-23:11:22.056 -3275.134 ns 0.385 ns 0.386 ns 311. PT_REYES CL 1 1983.08.27-23:11:22.056 107.018 D-14 2.452 D-14 2.459 D-14 312. PT_REYES CL 2 1983.08.27-23:11:22.056 2.102 D-14/day 2.088 D-14/day 2.094 D-14/day 337. PT_REYES AT 0 1983.08.27-23:11:22.056 -18.339 ps 109.810 ps 110.135 ps PT_REYES Atm 1983.08.28-11:11:54.240 Avg: -5.584 ps Rms: 39.799 ps Tot_Rms: 40.189 ps || Nat: 79 Dura: 80694.0 sec Tzd_avg: 8093.1 Tzd_rms: 20.2 Wzd_avg: 405.9 Wzd_rms: 25.0 ps Prs_avg: 101448. Pa Tem_avg: 15.3 C Stm_avg: -1.7 C Stm_rms: 0.8 K Spr_avg: 66. Spr_rms: 27. Pa 410. PT_REYES NG 1983.08.27-23:10:22.056 0.012 mm 0.422 mm 0.423 mm 411. PT_REYES EG 1983.08.27-23:10:22.056 0.035 mm 0.422 mm 0.423 mm 412. PT_REYES NG 1983.08.28-07:10:22.056 0.022 mm 0.377 mm 0.378 mm 413. PT_REYES EG 1983.08.28-07:10:22.056 0.043 mm 0.376 mm 0.378 mm 414. PT_REYES NG 1983.08.28-15:10:22.056 -0.011 mm 0.377 mm 0.378 mm 415. PT_REYES EG 1983.08.28-15:10:22.056 -0.006 mm 0.377 mm 0.378 mm 416. PT_REYES NG 1983.08.28-23:10:22.056 -0.017 mm 0.422 mm 0.423 mm 417. PT_REYES EG 1983.08.28-23:10:22.056 -0.041 mm 0.422 mm 0.423 mm 418. VNDNBERG 7223 PCFC X Comp -2678094878.31 mm 168.687 mm 16.599 mm 16.648 mm 419. VNDNBERG 7223 PCFC Y Comp -4525450626.51 mm -126.508 mm 27.312 mm 27.393 mm 420. VNDNBERG 7223 PCFC Z Comp 3597410185.41 mm -230.595 mm 21.361 mm 21.424 mm VNDNBERG 7223 U Comp -111.89 mm -111.886 mm 37.976 mm 29.616 mm VNDNBERG 7223 E Comp 209.60 mm 209.600 mm 3.224 mm 2.514 mm VNDNBERG 7223 N Comp -202.94 mm -202.936 mm 5.017 mm 3.913 mm 421. VNDNBERG CL 0 1983.08.27-23:11:22.056 15997.529 ns 0.252 ns 0.253 ns 422. VNDNBERG CL 1 1983.08.27-23:11:22.056 171.124 D-14 2.113 D-14 2.120 D-14 423. VNDNBERG CL 2 1983.08.27-23:11:22.056 1.414 D-14/day 1.859 D-14/day 1.865 D-14/day 448. VNDNBERG AT 0 1983.08.27-23:11:22.056 -1.831 ps 137.749 ps 138.157 ps VNDNBERG Atm 1983.08.28-11:11:54.240 Avg: 34.890 ps Rms: 30.661 ps Tot_Rms: 46.448 ps || Nat: 86 Dura: 85444.0 sec Tzd_avg: 7953.7 Tzd_rms: 43.0 Wzd_avg: 270.7 Wzd_rms: 42.7 ps Prs_avg: 101369. Pa Tem_avg: 19.5 C Stm_avg: -0.0 C Stm_rms: 1.3 K Spr_avg: 133. Spr_rms: 52. Pa 521. VNDNBERG NG 1983.08.27-23:10:22.056 0.003 mm 0.421 mm 0.422 mm 522. VNDNBERG EG 1983.08.27-23:10:22.056 -0.003 mm 0.421 mm 0.422 mm 523. VNDNBERG NG 1983.08.28-07:10:22.056 0.035 mm 0.376 mm 0.377 mm 524. VNDNBERG EG 1983.08.28-07:10:22.056 0.001 mm 0.376 mm 0.377 mm 525. VNDNBERG NG 1983.08.28-15:10:22.056 -0.003 mm 0.377 mm 0.378 mm 526. VNDNBERG EG 1983.08.28-15:10:22.056 0.008 mm 0.377 mm 0.378 mm 527. VNDNBERG NG 1983.08.28-23:10:22.056 -0.012 mm 0.421 mm 0.423 mm 528. VNDNBERG EG 1983.08.28-23:10:22.056 -0.021 mm 0.421 mm 0.422 mm Atmosphere Constraint Statistics 2. MOJAVE12 Input 50.00 ps/h RMS 21.60 ps/h NRMS 0.43 share 0.86 count 73 3. OVRO_130 Input 50.00 ps/h RMS 20.76 ps/h NRMS 0.42 share 0.81 count 73 4. PRESIDIO Input 50.00 ps/h RMS 11.69 ps/h NRMS 0.23 share 0.95 count 73 5. PT_REYES Input 50.00 ps/h RMS 15.32 ps/h NRMS 0.31 share 0.89 count 73 6. VNDNBERG Input 50.00 ps/h RMS 20.22 ps/h NRMS 0.40 share 0.88 count 73 Overall RMS 18.32 ps/h NRMS 0.37 share 0.88 count 365 Gradient Constraint Statistics 2. MOJAVE12 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 4. PRESIDIO Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 5. PT_REYES Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 6. VNDNBERG Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.53 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.53 count 40 Clock Constraint Statistics 3. OVRO_130 Input 5.00 D-14 RMS 2.21 D-14 NRMS 0.44 share 0.22 count 25 4. PRESIDIO Input 5.00 D-14 RMS 2.40 D-14 NRMS 0.48 share 0.47 count 25 5. PT_REYES Input 5.00 D-14 RMS 1.73 D-14 NRMS 0.35 share 0.32 count 25 6. VNDNBERG Input 5.00 D-14 RMS 2.40 D-14 NRMS 0.48 share 0.26 count 25 Overall RMS 2.20 D-14 NRMS 0.44 share 0.32 count 100 529. UT1-TAI 1, 1983.08.28-11:04:00.000 -2.2046 ms/d -269.30 micros/d 809.42 micros/d 811.82 micros/d EOP epoch (TDT) MJD: 45574.461484 NUT epoch (TDT) MJD: 45574.464521 530. Nutation DPSI wrt apriori model 1983.08.28-11:03:26.856 -9.930 mas 9578.7 microasec 9607.1 microasec Nutation Dx wrt apriori model 1983.08.28-11:03:26.856 -3.940 mas 3801.3 microasec 3812.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.28-11:03:26.856 -15.845 mas 9578.7 microasec 9607.1 microasec 531. Nutation DEPS wrt apriori model 1983.08.28-11:03:26.856 -2.786 mas 2533.9 microasec 2541.4 microasec Nutation Dy wrt apriori model 1983.08.28-11:03:26.856 -2.801 mas 2547.8 microasec 2555.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.28-11:03:26.856 -3.049 mas 2533.9 microasec 2541.4 microasec 532. OVRO_130 PRESIDIO Clock offset -59.331 ps 28.517 ps 28.602 ps 533. OVRO_130 PT_REYES Clock offset -19.456 ps 16.900 ps 16.950 ps 534. OVRO_130 VNDNBERG Clock offset 3.186 ps 9.510 ps 9.539 ps 535. PRESIDIO PT_REYES Clock offset 47.290 ps 46.981 ps 47.120 ps 536. PRESIDIO VNDNBERG Clock offset 44.274 ps 37.775 ps 37.887 ps 537. PT_REYES VNDNBERG Clock offset 24.313 ps 23.237 ps 23.306 ps General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) BLC_VAL "Baseline clock " sigma 1.000E-06 sec 4) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 5) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 6) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1162 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to OVRO_130 7207 245276458.30 6.05 245276458.30 6.05 44.49 2.74 -42.90 38.90 MOJAVE12 7222 to PRESIDIO 7252 568654880.45 15.34 568654880.45 15.34 -99.28 10.14 -105.61 88.45 MOJAVE12 7222 to PT_REYES 7251 621424695.86 10.82 621424695.86 10.82 -210.01 5.46 177.56 50.50 MOJAVE12 7222 to VNDNBERG 7223 351282435.62 7.08 351282435.62 7.08 -519.39 5.39 133.98 48.51 OVRO_130 7207 to PRESIDIO 7252 374258308.52 11.68 374258308.52 11.68 -222.33 11.25 -57.75 83.71 OVRO_130 7207 to PT_REYES 7251 421766731.39 7.26 421766731.39 7.26 -352.64 4.72 228.62 37.99 OVRO_130 7207 to VNDNBERG 7223 363980321.44 6.28 363980321.44 6.28 -551.44 4.20 186.14 44.54 PRESIDIO 7252 to PT_REYES 7251 53727218.50 12.93 53727218.50 12.93 -92.64 9.17 287.36 88.58 PRESIDIO 7252 to VNDNBERG 7223 396580114.84 14.89 396580114.84 14.89 -73.41 8.17 261.14 92.51 PT_REYES 7251 to VNDNBERG 7223 445233360.04 8.74 445233360.04 8.74 -88.46 4.60 -20.09 56.08 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 MARPOINT ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:06 Correlator type: Unknown Experiment code: pol126 Mark-3 db_name: $83AUG29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830829_a Ver 2 pol126 Matrix Condition Number = 2.221214186419110E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MARPOINT: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MARPOINT is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.9 4.3 837.6 0.9 30.9 3.6 MARPOINT MET 24.8 4.2 1017.3 1.3 62.4 1.5 ONSALA60 MET 15.3 1.4 1018.2 0.4 62.0 23.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 18.7 1.7 1001.7 0.5 79.6 23.7 Run 26091-1741 703 Observation Pairs Available Session started on: 2445576.251200 1983.08.29 18:01:43.680 UTC Nominal duration: 86365.440 sec 00 23:59:25.440 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 289 75.435 ps 0.87 1.0032 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__META Used quality_code_limit: 5 Number of potentially recoverable observations: 291 Number of potentially good observations with QC 5-9: 311 Number of used observations: 289 ( 99.31%) Number of suppressed observations: 2 ( 0.69%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MARPOINT 50 51 28.247 0.68 19830829_a pol126 1983.08.30-06:01:26.4 BAS_STAT HRAS_085 ONSALA60 28 28 41.052 0.62 19830829_a pol126 1983.08.30-06:01:26.4 BAS_STAT HRAS_085 WESTFORD 103 104 286.323 0.95 19830829_a pol126 1983.08.30-06:01:26.4 BAS_STAT MARPOINT ONSALA60 16 16 106.805 0.87 19830829_a pol126 1983.08.30-06:01:26.4 BAS_STAT MARPOINT WESTFORD 57 57 276.810 0.95 19830829_a pol126 1983.08.30-06:01:26.4 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 35 35 254.438 0.92 19830829_a pol126 1983.08.30-06:01:26.4 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19830829_a pol126 MARPOINT ONSALA85 0/ 0 deselected baseline 19830829_a pol126 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830829_a pol126 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 19 19 23 96.090 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 0212+735 J0217+7349 14 14 55 261.569 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 0234+285 J0237+2848 31 31 51 84.124 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 0552+398 J0555+3948 26 26 44 63.351 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 1637+574 J1638+5720 9 10 62 316.945 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 2134+00 J2136+0041 11 11 34 183.306 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 3C273B J1229+0203 35 35 52 24.890 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 3C345 J1642+3948 30 30 66 56.018 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 3C454.3 J2253+1608 16 16 44 60.464 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 3C84 J0319+4130 0 0 1 0.000 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: 4C39.25 J0927+3902 19 19 66 133.888 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: NRAO150 J0359+5057 15 15 75 218.719 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: OJ287 J0854+2006 18 18 28 35.154 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: OQ208 J1407+2827 24 25 49 77.938 19830829_a pol126 1983.08.30-06:01:26.400 SRC_STAT: VR422201 J2202+4216 22 22 53 154.323 19830829_a pol126 1983.08.30-06:01:26.400 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.30-06:00:54 1. HRAS_085 7216 NOAM X Comp -1324211104.43 mm -87.426 mm 20.819 mm 20.852 mm 2. HRAS_085 7216 NOAM Y Comp -5332023004.00 mm 78.003 mm 37.098 mm 37.157 mm 3. HRAS_085 7216 NOAM Z Comp 3232118429.32 mm 122.320 mm 41.055 mm 41.121 mm HRAS_085 7216 U Comp 15.33 mm 15.328 mm 46.777 mm 40.642 mm HRAS_085 7216 E Comp -103.65 mm -103.650 mm 22.626 mm 19.658 mm HRAS_085 7216 N Comp 133.09 mm 133.086 mm 28.200 mm 24.501 mm 4. HRAS_085 AT 0 1983.08.29-18:01:11.496 128.430 ps 91.869 ps 92.016 ps HRAS_085 Atm 1983.08.30-06:01:43.680 Avg: 59.073 ps Rms: 40.562 ps Tot_Rms: 71.658 ps || Nat: 136 Dura: 86370.0 sec Tzd_avg: 6880.5 Tzd_rms: 34.3 Wzd_avg: 497.8 Wzd_rms: 31.1 ps Prs_avg: 83751. Pa Tem_avg: 20.9 C Stm_avg: -0.5 C Stm_rms: 1.5 K Spr_avg: -403. Spr_rms: 58. Pa 77. HRAS_085 NG 1983.08.29-18:00:11.496 -0.013 mm 0.422 mm 0.423 mm 78. HRAS_085 EG 1983.08.29-18:00:11.496 -0.015 mm 0.422 mm 0.423 mm 79. HRAS_085 NG 1983.08.30-02:00:11.496 0.001 mm 0.377 mm 0.378 mm 80. HRAS_085 EG 1983.08.30-02:00:11.496 -0.002 mm 0.377 mm 0.378 mm 81. HRAS_085 NG 1983.08.30-10:00:11.496 0.010 mm 0.377 mm 0.378 mm 82. HRAS_085 EG 1983.08.30-10:00:11.496 0.005 mm 0.377 mm 0.378 mm 83. HRAS_085 NG 1983.08.30-18:00:11.496 0.011 mm 0.422 mm 0.423 mm 84. HRAS_085 EG 1983.08.30-18:00:11.496 -0.007 mm 0.422 mm 0.423 mm 85. MARPOINT 7217 NOAM X Comp 1106629239.20 mm -13.801 mm 20.846 mm 20.879 mm 86. MARPOINT 7217 NOAM Y Comp -4882907098.37 mm 58.627 mm 38.496 mm 38.558 mm 87. MARPOINT 7217 NOAM Z Comp 3938086962.08 mm 12.084 mm 43.427 mm 43.496 mm MARPOINT 7217 U Comp -39.72 mm -39.715 mm 55.029 mm 47.812 mm MARPOINT 7217 E Comp -0.50 mm -0.502 mm 17.846 mm 15.505 mm MARPOINT 7217 N Comp 46.86 mm 46.862 mm 21.349 mm 18.549 mm 88. MARPOINT CL 0 1983.08.29-18:01:11.496 -7504.049 ns 0.349 ns 0.349 ns 89. MARPOINT CL 1 1983.08.29-18:01:11.496 326.391 D-14 2.112 D-14 2.115 D-14 90. MARPOINT CL 2 1983.08.29-18:01:11.496 -3.046 D-14/day 1.836 D-14/day 1.839 D-14/day 115. MARPOINT AT 0 1983.08.29-18:01:11.496 -16.811 ps 94.866 ps 95.017 ps MARPOINT Atm 1983.08.30-06:01:43.680 Avg: -67.379 ps Rms: 22.377 ps Tot_Rms: 70.998 ps || Nat: 108 Dura: 86370.0 sec Tzd_avg: 8349.9 Tzd_rms: 38.6 Wzd_avg: 697.8 Wzd_rms: 45.2 ps Prs_avg: 101722. Pa Tem_avg: 24.8 C Stm_avg: -1.2 C Stm_rms: 1.9 K Spr_avg: 660. Spr_rms: 34. Pa 188. MARPOINT NG 1983.08.29-18:00:11.496 0.016 mm 0.422 mm 0.423 mm 189. MARPOINT EG 1983.08.29-18:00:11.496 0.018 mm 0.422 mm 0.423 mm 190. MARPOINT NG 1983.08.30-02:00:11.496 0.000 mm 0.377 mm 0.378 mm 191. MARPOINT EG 1983.08.30-02:00:11.496 -0.003 mm 0.377 mm 0.378 mm 192. MARPOINT NG 1983.08.30-10:00:11.496 -0.011 mm 0.377 mm 0.378 mm 193. MARPOINT EG 1983.08.30-10:00:11.496 -0.005 mm 0.377 mm 0.377 mm 194. MARPOINT NG 1983.08.30-18:00:11.496 -0.007 mm 0.422 mm 0.423 mm 195. MARPOINT EG 1983.08.30-18:00:11.496 -0.011 mm 0.422 mm 0.423 mm 196. ONSALA60 7213 EURA X Comp 3370606102.70 mm 113.701 mm 55.509 mm 55.598 mm 197. ONSALA60 7213 EURA Y Comp 711917303.87 mm -225.131 mm 40.296 mm 40.361 mm 198. ONSALA60 7213 EURA Z Comp 5349830687.71 mm -78.291 mm 101.934 mm 102.097 mm ONSALA60 7213 U Comp -31.08 mm -31.079 mm 110.839 mm 96.302 mm ONSALA60 7213 E Comp -243.77 mm -243.768 mm 47.824 mm 41.551 mm ONSALA60 7213 N Comp -96.71 mm -96.709 mm 22.877 mm 19.876 mm 199. ONSALA60 CL 0 1983.08.29-18:01:11.496 -19.645 ns 0.532 ns 0.532 ns 200. ONSALA60 CL 1 1983.08.29-18:01:11.496 -238.006 D-14 2.334 D-14 2.338 D-14 201. ONSALA60 CL 2 1983.08.29-18:01:11.496 -1.525 D-14/day 2.087 D-14/day 2.091 D-14/day 226. ONSALA60 AT 0 1983.08.29-18:01:11.496 -43.656 ps 57.723 ps 57.815 ps ONSALA60 Atm 1983.08.30-06:01:43.680 Avg: -48.132 ps Rms: 17.767 ps Tot_Rms: 51.307 ps || Nat: 87 Dura: 86370.0 sec Tzd_avg: 8082.1 Tzd_rms: 76.0 Wzd_avg: 387.7 Wzd_rms: 81.4 ps Prs_avg: 101820. Pa Tem_avg: 15.3 C Stm_avg: -0.2 C Stm_rms: 0.7 K Spr_avg: 177. Spr_rms: 34. Pa 299. ONSALA60 NG 1983.08.29-18:00:11.496 -0.002 mm 0.422 mm 0.423 mm 300. ONSALA60 EG 1983.08.29-18:00:11.496 -0.000 mm 0.422 mm 0.423 mm 301. ONSALA60 NG 1983.08.30-02:00:11.496 0.003 mm 0.377 mm 0.378 mm 302. ONSALA60 EG 1983.08.30-02:00:11.496 0.001 mm 0.377 mm 0.378 mm 303. ONSALA60 NG 1983.08.30-10:00:11.496 -0.002 mm 0.377 mm 0.378 mm 304. ONSALA60 EG 1983.08.30-10:00:11.496 0.009 mm 0.377 mm 0.378 mm 305. ONSALA60 NG 1983.08.30-18:00:11.496 0.003 mm 0.422 mm 0.423 mm 306. ONSALA60 EG 1983.08.30-18:00:11.496 -0.004 mm 0.422 mm 0.423 mm 307. WESTFORD 7209 NOAM X Comp 1492206530.53 mm -12.473 mm 25.606 mm 25.647 mm 308. WESTFORD 7209 NOAM Y Comp -4458130433.50 mm 88.501 mm 48.656 mm 48.734 mm 309. WESTFORD 7209 NOAM Z Comp 4296015490.89 mm -56.112 mm 54.764 mm 54.852 mm WESTFORD 7209 U Comp -102.67 mm -102.668 mm 72.257 mm 62.780 mm WESTFORD 7209 E Comp 16.26 mm 16.262 mm 19.200 mm 16.681 mm WESTFORD 7209 N Comp 18.21 mm 18.205 mm 20.800 mm 18.072 mm 310. WESTFORD CL 0 1983.08.29-18:01:11.496 -3463.793 ns 0.451 ns 0.451 ns 311. WESTFORD CL 1 1983.08.29-18:01:11.496 -166.445 D-14 2.189 D-14 2.193 D-14 312. WESTFORD CL 2 1983.08.29-18:01:11.496 -1.408 D-14/day 1.920 D-14/day 1.923 D-14/day 337. WESTFORD AT 0 1983.08.29-18:01:11.496 -57.030 ps 128.636 ps 128.841 ps WESTFORD Atm 1983.08.30-06:01:43.680 Avg: -70.190 ps Rms: 18.125 ps Tot_Rms: 72.492 ps || Nat: 168 Dura: 86370.0 sec Tzd_avg: 8303.7 Tzd_rms: 45.1 Wzd_avg: 738.0 Wzd_rms: 48.1 ps Prs_avg: 100163. Pa Tem_avg: 18.6 C Stm_avg: -0.5 C Stm_rms: 1.1 K Spr_avg: 191. Spr_rms: 46. Pa 410. WESTFORD NG 1983.08.29-18:00:11.496 0.002 mm 0.422 mm 0.423 mm 411. WESTFORD EG 1983.08.29-18:00:11.496 0.009 mm 0.422 mm 0.423 mm 412. WESTFORD NG 1983.08.30-02:00:11.496 0.003 mm 0.377 mm 0.378 mm 413. WESTFORD EG 1983.08.30-02:00:11.496 0.006 mm 0.377 mm 0.378 mm 414. WESTFORD NG 1983.08.30-10:00:11.496 0.000 mm 0.377 mm 0.378 mm 415. WESTFORD EG 1983.08.30-10:00:11.496 -0.026 mm 0.377 mm 0.378 mm 416. WESTFORD NG 1983.08.30-18:00:11.496 -0.007 mm 0.422 mm 0.423 mm 417. WESTFORD EG 1983.08.30-18:00:11.496 -0.005 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.80 ps/h NRMS 0.20 share 0.93 count 73 2. MARPOINT Input 50.00 ps/h RMS 8.18 ps/h NRMS 0.16 share 0.93 count 73 3. ONSALA60 Input 50.00 ps/h RMS 10.46 ps/h NRMS 0.21 share 0.93 count 73 5. WESTFORD Input 50.00 ps/h RMS 9.08 ps/h NRMS 0.18 share 0.96 count 73 Overall RMS 9.42 ps/h NRMS 0.19 share 0.94 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. MARPOINT Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 5. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 2. MARPOINT Input 5.00 D-14 RMS 2.61 D-14 NRMS 0.52 share 0.44 count 25 3. ONSALA60 Input 5.00 D-14 RMS 2.66 D-14 NRMS 0.53 share 0.57 count 25 5. WESTFORD Input 5.00 D-14 RMS 3.41 D-14 NRMS 0.68 share 0.58 count 25 Overall RMS 2.92 D-14 NRMS 0.58 share 0.53 count 75 418. UT1-TAI 1, 1983.08.30-06:01:00.000 -1.8230 ms/d 7.93 micros/d 119.68 micros/d 119.87 micros/d EOP epoch (TDT) MJD: 45576.251067 NUT epoch (TDT) MJD: 45576.264610 419. Nutation DPSI wrt apriori model 1983.08.30-06:00:54.216 -3.574 mas 3035.1 microasec 3039.9 microasec Nutation Dx wrt apriori model 1983.08.30-06:00:54.216 -1.419 mas 1204.6 microasec 1206.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.30-06:00:54.216 -10.118 mas 3035.1 microasec 3039.9 microasec 420. Nutation DEPS wrt apriori model 1983.08.30-06:00:54.216 -0.588 mas 771.2 microasec 772.5 microasec Nutation Dy wrt apriori model 1983.08.30-06:00:54.216 -0.594 mas 775.6 microasec 776.9 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.30-06:00:54.216 -0.985 mas 771.2 microasec 772.5 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0926 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MARPOINT 7217 2570813381.43 13.58 2570813381.43 13.58 119.52 9.95 48.69 66.07 HRAS_085 7216 to ONSALA60 7213 7940732224.59 64.44 7940732224.59 64.44 381.03 27.31 -8.79 150.35 HRAS_085 7216 to WESTFORD 7209 3134927985.91 27.07 3134927985.91 27.07 154.94 19.26 116.04 95.60 MARPOINT 7217 to ONSALA60 7213 6198441068.30 48.90 6198441068.30 48.90 212.74 19.64 -81.98 161.95 MARPOINT 7217 to WESTFORD 7209 676178892.26 21.94 676178892.26 21.94 30.57 17.33 65.85 95.87 ONSALA60 7213 to WESTFORD 7209 5600741471.31 48.42 5600741471.31 48.42 180.83 23.91 137.45 171.38 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:09 Correlator type: Unknown Experiment code: xal832 Mark-3 db_name: $83AUG30X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830830_a Ver 2 xal832 Matrix Condition Number = 1.151330019223189E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 19.7 1.7 999.7 1.3 39.5 25.9 ONSALA60 MET 15.8 1.5 1017.3 0.6 0.0 0.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1741 409 Observation Pairs Available Session started on: 2445577.293100 1983.08.30 19:02:03.840 UTC Nominal duration: 89009.280 sec 01 00:43:29.280 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 163 41.814 ps 0.82 1.0259 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 167 Number of potentially good observations with QC 5-9: 167 Number of used observations: 163 ( 97.60%) Number of suppressed observations: 4 ( 2.40%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 163 167 41.814 0.82 19830830_a xal832 1983.08.31-07:23:48.4 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19830830_a xal832 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 9 22 72.210 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 0212+735 J0217+7349 25 25 58 68.560 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 0528+134 J0530+1331 10 10 22 43.274 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 0552+398 J0555+3948 18 19 42 27.209 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 2216-038 J2218-0335 9 9 20 56.360 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 3C273B J1229+0203 5 5 20 26.427 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 3C345 J1642+3948 22 23 52 35.410 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 3C454.3 J2253+1608 3 3 26 80.821 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: 4C39.25 J0927+3902 20 20 42 46.891 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: OJ287 J0854+2006 9 9 25 31.581 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: OQ208 J1407+2827 15 15 34 84.181 19830830_a xal832 1983.08.31-07:23:48.480 SRC_STAT: VR422201 J2202+4216 19 20 46 29.988 19830830_a xal832 1983.08.31-07:23:48.480 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.08.31-07:23:16 1. HAYSTACK 7205 NOAM X Comp 1492404678.05 mm -17.946 mm 6.915 mm 7.004 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266407.64 mm 127.356 mm 6.919 mm 7.008 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881884.31 mm 90.311 mm 11.642 mm 11.792 mm HAYSTACK 7205 U Comp -31.90 mm -31.899 mm 13.074 mm 10.676 mm HAYSTACK 7205 E Comp 23.42 mm 23.419 mm 5.661 mm 4.623 mm HAYSTACK 7205 N Comp 152.09 mm 152.092 mm 5.314 mm 4.340 mm 4. HAYSTACK AT 0 1983.08.30-19:01:31.656 -14.317 ps 42.719 ps 43.269 ps HAYSTACK Atm 1983.08.31-07:32:03.840 Avg: 13.325 ps Rms: 25.867 ps Tot_Rms: 29.098 ps || Nat: 205 Dura: 89008.0 sec Tzd_avg: 8369.2 Tzd_rms: 73.6 Wzd_avg: 848.8 Wzd_rms: 76.8 ps Prs_avg: 99972. Pa Tem_avg: 19.7 C Stm_avg: -1.4 C Stm_rms: 0.8 K Spr_avg: 551. Spr_rms: 41. Pa 80. HAYSTACK NG 1983.08.30-19:00:31.656 0.016 mm 0.422 mm 0.428 mm 81. HAYSTACK EG 1983.08.30-19:00:31.656 -0.012 mm 0.422 mm 0.428 mm 82. HAYSTACK NG 1983.08.31-03:00:31.656 0.003 mm 0.377 mm 0.382 mm 83. HAYSTACK EG 1983.08.31-03:00:31.656 -0.001 mm 0.377 mm 0.382 mm 84. HAYSTACK NG 1983.08.31-11:00:31.656 0.003 mm 0.377 mm 0.382 mm 85. HAYSTACK EG 1983.08.31-11:00:31.656 -0.026 mm 0.377 mm 0.382 mm 86. HAYSTACK NG 1983.08.31-19:00:31.656 -0.011 mm 0.422 mm 0.428 mm 87. HAYSTACK EG 1983.08.31-19:00:31.656 -0.032 mm 0.422 mm 0.428 mm 88. ONSALA60 7213 EURA X Comp 3370606006.95 mm 17.946 mm 6.915 mm 7.004 mm 89. ONSALA60 7213 EURA Y Comp 711917401.64 mm -127.356 mm 6.919 mm 7.008 mm 90. ONSALA60 7213 EURA Z Comp 5349830675.69 mm -90.311 mm 11.642 mm 11.792 mm ONSALA60 7213 U Comp -80.80 mm -80.800 mm 12.799 mm 10.452 mm ONSALA60 7213 E Comp -128.32 mm -128.316 mm 7.646 mm 6.244 mm ONSALA60 7213 N Comp -41.28 mm -41.283 mm 2.989 mm 2.441 mm 91. ONSALA60 CL 0 1983.08.30-19:01:31.656 -5485.201 ns 0.155 ns 0.157 ns 92. ONSALA60 CL 1 1983.08.30-19:01:31.656 -73.610 D-14 2.088 D-14 2.114 D-14 93. ONSALA60 CL 2 1983.08.30-19:01:31.656 0.635 D-14/day 1.794 D-14/day 1.817 D-14/day 119. ONSALA60 AT 0 1983.08.30-19:01:31.656 -98.948 ps 28.672 ps 29.041 ps ONSALA60 Atm 1983.08.31-07:32:03.840 Avg: 3.487 ps Rms: 33.240 ps Tot_Rms: 33.422 ps || Nat: 205 Dura: 89008.0 sec Tzd_avg: 8043.0 Tzd_rms: 108.6 Wzd_avg: 355.4 Wzd_rms: 112.4 ps Prs_avg: 101731. Pa Tem_avg: 15.8 C Stm_avg: -0.7 C Stm_rms: 0.9 K Spr_avg: 190. Spr_rms: 26. Pa 195. ONSALA60 NG 1983.08.30-19:00:31.656 0.013 mm 0.422 mm 0.428 mm 196. ONSALA60 EG 1983.08.30-19:00:31.656 -0.011 mm 0.422 mm 0.428 mm 197. ONSALA60 NG 1983.08.31-03:00:31.656 0.040 mm 0.376 mm 0.381 mm 198. ONSALA60 EG 1983.08.31-03:00:31.656 0.021 mm 0.377 mm 0.382 mm 199. ONSALA60 NG 1983.08.31-11:00:31.656 -0.001 mm 0.377 mm 0.382 mm 200. ONSALA60 EG 1983.08.31-11:00:31.656 -0.007 mm 0.377 mm 0.382 mm 201. ONSALA60 NG 1983.08.31-19:00:31.656 0.009 mm 0.422 mm 0.427 mm 202. ONSALA60 EG 1983.08.31-19:00:31.656 0.004 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 19.26 ps/h NRMS 0.39 share 0.83 count 76 2. ONSALA60 Input 50.00 ps/h RMS 25.25 ps/h NRMS 0.50 share 0.77 count 76 Overall RMS 22.46 ps/h NRMS 0.45 share 0.80 count 152 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 1.99 D-14 NRMS 0.40 share 0.27 count 26 Overall RMS 1.99 D-14 NRMS 0.40 share 0.27 count 26 203. UT1-TAI 1, 1983.08.31-07:23:00.000 -1.6601 ms/d 51.78 micros/d 59.09 micros/d 59.85 micros/d EOP epoch (TDT) MJD: 45577.308011 NUT epoch (TDT) MJD: 45577.293979 204. Nutation DPSI wrt apriori model 1983.08.31-07:23:16.296 -0.530 mas 1098.3 microasec 1112.4 microasec Nutation Dx wrt apriori model 1983.08.31-07:23:16.296 -0.207 mas 435.3 microasec 440.9 microasec Nutation DPSI wrt Wahr 1980 model 1983.08.31-07:23:16.296 -7.555 mas 1098.3 microasec 1112.4 microasec 205. Nutation DEPS wrt apriori model 1983.08.31-07:23:16.296 -0.942 mas 426.1 microasec 431.6 microasec Nutation Dy wrt apriori model 1983.08.31-07:23:16.296 -0.943 mas 427.7 microasec 433.2 microasec Nutation DEPS wrt Wahr 1980 model 1983.08.31-07:23:16.296 -1.492 mas 426.1 microasec 431.6 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1375 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.08.31 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714514.45 10.13 5599714514.45 10.13 172.63 4.21 53.97 28.36 NNT_POS: 4 stations participated in NNT_POS constraints: MOJAVE12 OVRO_130 SANPAULA VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:12 Correlator type: Unknown Experiment code: cdp83k Mark-3 db_name: $83AUG31X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830831_a Ver 2 cdp83k Matrix Condition Number = 5.531199288113038E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- DEADMANL: GION | | MOJAVE12: GION | | OVRO_130: GION | | SANPAULA: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for SANPAULA is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms DEADMANL MET -999.0 0.0 -999.0 0.0 0.0 0.0 MOJAVE12 MET 27.2 5.4 908.7 0.9 34.7 2.6 OVRO_130 MET 24.4 5.1 878.2 1.0 9.5 0.4 SANPAULA MET 23.4 4.8 987.1 0.5 24.4 0.4 VNDNBERG MET 19.6 2.1 1013.2 0.6 49.9 8.3 Run 26091-1741 615 Observation Pairs Available Session started on: 2445578.297500 1983.08.31 19:08:24.000 UTC Nominal duration: 85121.280 sec 00 23:38:41.280 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 283 32.610 ps 0.81 1.0103 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 293 Number of potentially good observations with QC 5-9: 293 Number of used observations: 283 ( 96.59%) Number of suppressed observations: 10 ( 3.41%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 OVRO_130 63 67 13.708 0.62 19830831_a cdp83k 1983.09.01-06:57:44.6 BAS_STAT MOJAVE12 SANPAULA 65 66 86.650 0.88 19830831_a cdp83k 1983.09.01-06:57:44.6 BAS_STAT MOJAVE12 VNDNBERG 47 48 42.623 0.82 19830831_a cdp83k 1983.09.01-06:57:44.6 BAS_STAT OVRO_130 SANPAULA 60 64 86.770 0.88 19830831_a cdp83k 1983.09.01-06:57:44.6 BAS_STAT OVRO_130 VNDNBERG 37 37 41.264 0.81 19830831_a cdp83k 1983.09.01-06:57:44.6 BAS_STAT SANPAULA VNDNBERG 11 11 106.799 0.92 19830831_a cdp83k 1983.09.01-06:57:44.6 BAS_STAT Not included: DEADMANL MOJAVE12 0/ 0 deselected baseline 19830831_a cdp83k DEADMANL OVRO_130 0/ 0 deselected baseline 19830831_a cdp83k DEADMANL SANPAULA 0/ 0 deselected baseline 19830831_a cdp83k DEADMANL VNDNBERG 0/ 0 deselected baseline 19830831_a cdp83k Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 9 9 38 29.287 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 0552+398 J0555+3948 15 16 51 54.920 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 0727-115 J0730-1141 4 5 19 47.221 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 1921-293 J1924-2914 16 18 28 31.294 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 2134+00 J2136+0041 23 24 52 21.682 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 3C120 J0433+0521 8 8 45 45.433 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 3C273B J1229+0203 28 30 39 35.385 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 3C279 J1256-0547 21 21 27 34.285 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 3C345 J1642+3948 38 38 45 17.658 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 3C418 J2038+5119 17 17 47 37.913 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 3C454.3 J2253+1608 23 23 53 31.589 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 3C84 J0319+4130 14 14 51 16.875 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: 4C39.25 J0927+3902 21 24 30 38.011 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: NRAO150 J0359+5057 22 22 56 36.306 19830831_a cdp83k 1983.09.01-06:57:44.640 SRC_STAT: NRAO530 J1733-1304 24 24 34 32.859 19830831_a cdp83k 1983.09.01-06:57:44.640 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.01-06:57:12 1. MOJAVE12 7222 NOAM X Comp -2356171273.18 mm -177.181 mm 11.654 mm 11.714 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755721.74 mm 110.259 mm 21.600 mm 21.711 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470786.28 mm 205.277 mm 16.413 mm 16.497 mm MOJAVE12 7222 U Comp 103.86 mm 103.856 mm 28.919 mm 23.542 mm MOJAVE12 7222 E Comp -207.89 mm -207.891 mm 4.766 mm 3.880 mm MOJAVE12 7222 N Comp 178.00 mm 178.000 mm 3.563 mm 2.901 mm 4. MOJAVE12 AT 0 1983.08.31-19:07:51.816 34.170 ps 216.039 ps 217.151 ps MOJAVE12 Atm 1983.09.01-07:08:24.000 Avg: -10.424 ps Rms: 43.390 ps Tot_Rms: 44.625 ps || Nat: 84 Dura: 85122.0 sec Tzd_avg: 7399.3 Tzd_rms: 69.8 Wzd_avg: 518.0 Wzd_rms: 67.3 ps Prs_avg: 90864. Pa Tem_avg: 28.0 C Stm_avg: 0.1 C Stm_rms: 2.7 K Spr_avg: 90. Spr_rms: 52. Pa 77. MOJAVE12 NG 1983.08.31-19:06:51.816 -0.072 mm 0.421 mm 0.423 mm 78. MOJAVE12 EG 1983.08.31-19:06:51.816 0.031 mm 0.421 mm 0.423 mm 79. MOJAVE12 NG 1983.09.01-03:06:51.816 -0.008 mm 0.377 mm 0.379 mm 80. MOJAVE12 EG 1983.09.01-03:06:51.816 0.002 mm 0.376 mm 0.378 mm 81. MOJAVE12 NG 1983.09.01-11:06:51.816 0.080 mm 0.376 mm 0.378 mm 82. MOJAVE12 EG 1983.09.01-11:06:51.816 -0.015 mm 0.376 mm 0.378 mm 83. MOJAVE12 NG 1983.09.01-19:06:51.816 0.052 mm 0.422 mm 0.424 mm 84. MOJAVE12 EG 1983.09.01-19:06:51.816 -0.008 mm 0.422 mm 0.424 mm 85. OVRO_130 7207 NOAM X Comp -2409601034.02 mm -147.018 mm 13.659 mm 13.729 mm 86. OVRO_130 7207 NOAM Y Comp -4478349388.51 mm 75.490 mm 22.773 mm 22.890 mm 87. OVRO_130 7207 NOAM Z Comp 3838603409.05 mm 221.052 mm 16.303 mm 16.386 mm OVRO_130 7207 U Comp 136.28 mm 136.279 mm 30.395 mm 24.744 mm OVRO_130 7207 E Comp -165.24 mm -165.236 mm 3.390 mm 2.759 mm OVRO_130 7207 N Comp 174.08 mm 174.076 mm 5.965 mm 4.856 mm 88. OVRO_130 CL 0 1983.08.31-19:07:51.816 -7859.752 ns 0.199 ns 0.200 ns 89. OVRO_130 CL 1 1983.08.31-19:07:51.816 346.489 D-14 2.195 D-14 2.206 D-14 90. OVRO_130 CL 2 1983.08.31-19:07:51.816 1.775 D-14/day 2.087 D-14/day 2.098 D-14/day 115. OVRO_130 AT 0 1983.08.31-19:07:51.816 -40.844 ps 184.873 ps 185.824 ps OVRO_130 Atm 1983.09.01-07:08:24.000 Avg: -93.516 ps Rms: 38.072 ps Tot_Rms: 100.969 ps || Nat: 71 Dura: 77678.0 sec Tzd_avg: 7152.3 Tzd_rms: 17.7 Wzd_avg: 492.9 Wzd_rms: 25.6 ps Prs_avg: 87815. Pa Tem_avg: 24.8 C Stm_avg: 3.5 C Stm_rms: 2.8 K Spr_avg: -79. Spr_rms: 98. Pa 188. OVRO_130 NG 1983.08.31-19:06:51.816 0.072 mm 0.421 mm 0.423 mm 189. OVRO_130 EG 1983.08.31-19:06:51.816 -0.056 mm 0.422 mm 0.424 mm 190. OVRO_130 NG 1983.09.01-03:06:51.816 0.006 mm 0.377 mm 0.378 mm 191. OVRO_130 EG 1983.09.01-03:06:51.816 -0.016 mm 0.376 mm 0.378 mm 192. OVRO_130 NG 1983.09.01-11:06:51.816 -0.080 mm 0.376 mm 0.378 mm 193. OVRO_130 EG 1983.09.01-11:06:51.816 0.022 mm 0.376 mm 0.378 mm 194. OVRO_130 NG 1983.09.01-19:06:51.816 -0.053 mm 0.421 mm 0.424 mm 195. OVRO_130 EG 1983.09.01-19:06:51.816 0.010 mm 0.422 mm 0.424 mm 196. SANPAULA 7255 PCFC X Comp -2554476829.17 mm 212.829 mm 24.916 mm 25.044 mm 197. SANPAULA 7255 PCFC Y Comp -4608627179.88 mm 41.121 mm 43.293 mm 43.516 mm 198. SANPAULA 7255 PCFC Z Comp 3582138328.39 mm -215.606 mm 32.942 mm 33.112 mm SANPAULA 7255 U Comp -236.60 mm -236.598 mm 59.136 mm 48.142 mm SANPAULA 7255 E Comp 166.21 mm 166.212 mm 5.614 mm 4.570 mm SANPAULA 7255 N Comp -99.34 mm -99.339 mm 7.187 mm 5.851 mm 199. SANPAULA CL 0 1983.08.31-19:07:51.816 890.286 ns 0.392 ns 0.394 ns 200. SANPAULA CL 1 1983.08.31-19:07:51.816 284.372 D-14 2.191 D-14 2.202 D-14 201. SANPAULA CL 2 1983.08.31-19:07:51.816 3.313 D-14/day 1.940 D-14/day 1.950 D-14/day 226. SANPAULA AT 0 1983.08.31-19:07:51.816 210.360 ps 240.218 ps 241.454 ps SANPAULA Atm 1983.09.01-07:08:24.000 Avg: 240.593 ps Rms: 25.330 ps Tot_Rms: 241.923 ps || Nat: 84 Dura: 85122.0 sec Tzd_avg: 8213.0 Tzd_rms: 26.1 Wzd_avg: 741.1 Wzd_rms: 28.0 ps Prs_avg: 98708. Pa Tem_avg: 24.0 C Stm_avg: -4.2 C Stm_rms: 2.3 K Spr_avg: 29. Spr_rms: 38. Pa 299. SANPAULA NG 1983.08.31-19:06:51.816 -0.000 mm 0.422 mm 0.424 mm 300. SANPAULA EG 1983.08.31-19:06:51.816 0.001 mm 0.422 mm 0.424 mm 301. SANPAULA NG 1983.09.01-03:06:51.816 0.016 mm 0.377 mm 0.379 mm 302. SANPAULA EG 1983.09.01-03:06:51.816 0.011 mm 0.377 mm 0.379 mm 303. SANPAULA NG 1983.09.01-11:06:51.816 0.006 mm 0.377 mm 0.379 mm 304. SANPAULA EG 1983.09.01-11:06:51.816 0.000 mm 0.377 mm 0.379 mm 305. SANPAULA NG 1983.09.01-19:06:51.816 -0.003 mm 0.422 mm 0.424 mm 306. SANPAULA EG 1983.09.01-19:06:51.816 -0.008 mm 0.422 mm 0.424 mm 307. VNDNBERG 7223 PCFC X Comp -2678094935.63 mm 111.370 mm 18.323 mm 18.417 mm 308. VNDNBERG 7223 PCFC Y Comp -4525450726.87 mm -226.870 mm 30.445 mm 30.602 mm 309. VNDNBERG 7223 PCFC Z Comp 3597410205.28 mm -210.723 mm 23.417 mm 23.538 mm VNDNBERG 7223 U Comp -5.44 mm -5.440 mm 41.655 mm 33.910 mm VNDNBERG 7223 E Comp 211.39 mm 211.387 mm 6.187 mm 5.037 mm VNDNBERG 7223 N Comp -252.12 mm -252.118 mm 6.132 mm 4.992 mm 310. VNDNBERG CL 0 1983.08.31-19:07:51.816 22605.081 ns 0.298 ns 0.299 ns 311. VNDNBERG CL 1 1983.08.31-19:07:51.816 200.538 D-14 2.258 D-14 2.270 D-14 312. VNDNBERG CL 2 1983.08.31-19:07:51.816 1.478 D-14/day 2.137 D-14/day 2.148 D-14/day 337. VNDNBERG AT 0 1983.08.31-19:07:51.816 125.486 ps 199.137 ps 200.161 ps VNDNBERG Atm 1983.09.01-07:08:24.000 Avg: 166.045 ps Rms: 22.856 ps Tot_Rms: 167.611 ps || Nat: 76 Dura: 80986.0 sec Tzd_avg: 8434.2 Tzd_rms: 45.9 Wzd_avg: 774.1 Wzd_rms: 48.6 ps Prs_avg: 101322. Pa Tem_avg: 19.8 C Stm_avg: -0.0 C Stm_rms: 1.7 K Spr_avg: 161. Spr_rms: 39. Pa 410. VNDNBERG NG 1983.08.31-19:06:51.816 0.000 mm 0.422 mm 0.424 mm 411. VNDNBERG EG 1983.08.31-19:06:51.816 0.021 mm 0.422 mm 0.424 mm 412. VNDNBERG NG 1983.09.01-03:06:51.816 -0.017 mm 0.377 mm 0.379 mm 413. VNDNBERG EG 1983.09.01-03:06:51.816 -0.005 mm 0.377 mm 0.379 mm 414. VNDNBERG NG 1983.09.01-11:06:51.816 -0.006 mm 0.377 mm 0.379 mm 415. VNDNBERG EG 1983.09.01-11:06:51.816 -0.012 mm 0.377 mm 0.379 mm 416. VNDNBERG NG 1983.09.01-19:06:51.816 0.003 mm 0.422 mm 0.424 mm 417. VNDNBERG EG 1983.09.01-19:06:51.816 0.002 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 2. MOJAVE12 Input 50.00 ps/h RMS 18.55 ps/h NRMS 0.37 share 0.84 count 73 3. OVRO_130 Input 50.00 ps/h RMS 20.07 ps/h NRMS 0.40 share 0.86 count 73 4. SANPAULA Input 50.00 ps/h RMS 10.70 ps/h NRMS 0.21 share 0.94 count 73 5. VNDNBERG Input 50.00 ps/h RMS 14.87 ps/h NRMS 0.30 share 0.93 count 73 Overall RMS 16.45 ps/h NRMS 0.33 share 0.89 count 292 Gradient Constraint Statistics 2. MOJAVE12 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.53 count 8 4. SANPAULA Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 5. VNDNBERG Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.11 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 3. OVRO_130 Input 5.00 D-14 RMS 1.96 D-14 NRMS 0.39 share 0.25 count 25 4. SANPAULA Input 5.00 D-14 RMS 2.88 D-14 NRMS 0.58 share 0.34 count 25 5. VNDNBERG Input 5.00 D-14 RMS 2.53 D-14 NRMS 0.51 share 0.52 count 25 Overall RMS 2.48 D-14 NRMS 0.50 share 0.37 count 75 418. UT1-TAI 1, 1983.09.01-06:57:00.000 -1.8939 ms/d -311.24 micros/d 2075.40 micros/d 2086.08 micros/d EOP epoch (TDT) MJD: 45578.289956 NUT epoch (TDT) MJD: 45578.211723 419. Nutation DPSI wrt apriori model 1983.09.01-06:57:12.456 -26.934 mas 12982.8 microasec 13049.6 microasec Nutation Dx wrt apriori model 1983.09.01-06:57:12.456 -10.723 mas 5143.1 microasec 5169.6 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.01-06:57:12.456 -34.190 mas 12982.8 microasec 13049.6 microasec 420. Nutation DEPS wrt apriori model 1983.09.01-06:57:12.456 2.334 mas 5902.8 microasec 5933.2 microasec Nutation Dy wrt apriori model 1983.09.01-06:57:12.456 2.295 mas 5921.7 microasec 5952.2 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.01-06:57:12.456 1.690 mas 5902.8 microasec 5933.2 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1173 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to OVRO_130 7207 245276459.83 5.84 245276459.83 5.84 38.26 3.63 -22.88 36.05 MOJAVE12 7222 to SANPAULA 7255 219618242.70 8.65 219618242.70 8.65 -423.05 9.84 339.95 78.25 MOJAVE12 7222 to VNDNBERG 7223 351282439.64 10.35 351282439.64 10.35 -519.65 7.64 109.12 53.97 OVRO_130 7207 to SANPAULA 7255 322080170.99 11.34 322080170.99 11.34 -380.13 8.39 370.06 81.34 OVRO_130 7207 to VNDNBERG 7223 363980319.28 10.51 363980319.28 10.51 -553.61 7.37 141.44 52.82 SANPAULA 7255 to VNDNBERG 7223 149776462.78 10.07 149776462.78 10.07 -148.57 10.48 -236.42 90.74 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:15 Correlator type: Unknown Experiment code: pol127 Mark-3 db_name: $83SEP02X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830902_a Ver 2 pol127 Matrix Condition Number = 9.096394731486370E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.7 5.6 836.3 0.6 26.9 4.6 WESTFORD MET 21.4 2.6 1003.4 0.6 19.4 0.4 Run 26091-1741 221 Observation Pairs Available Session started on: 2445580.223100 1983.09.02 17:21:15.840 UTC Nominal duration: 87583.680 sec 01 00:19:43.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 193 63.852 ps 0.87 1.0018 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 195 Number of potentially good observations with QC 5-9: 195 Number of used observations: 193 ( 98.97%) Number of suppressed observations: 2 ( 1.03%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 193 195 63.852 0.87 19830902_a pol127 1983.09.03-05:31:07.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 11 11 44.967 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 0212+735 J0217+7349 10 10 13 98.967 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 0234+285 J0237+2848 13 13 15 81.694 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 0552+398 J0555+3948 18 18 18 63.780 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 1637+574 J1638+5720 16 16 22 108.851 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 2134+00 J2136+0041 10 10 13 52.515 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 3C273B J1229+0203 14 14 14 29.974 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 3C345 J1642+3948 18 18 19 47.529 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 3C454.3 J2253+1608 12 12 12 57.759 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: 4C39.25 J0927+3902 8 8 18 91.129 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: NRAO150 J0359+5057 20 20 20 94.507 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: OJ287 J0854+2006 13 14 15 48.510 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: OQ208 J1407+2827 18 18 18 114.705 19830902_a pol127 1983.09.03-05:31:07.680 SRC_STAT: VR422201 J2202+4216 13 13 13 57.009 19830902_a pol127 1983.09.03-05:31:07.680 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.03-05:30:35 1. HRAS_085 7216 NOAM X Comp -1324211070.72 mm -53.724 mm 4.452 mm 4.456 mm 2. HRAS_085 7216 NOAM Y Comp -5332023152.50 mm -70.496 mm 16.174 mm 16.189 mm 3. HRAS_085 7216 NOAM Z Comp 3232118424.20 mm 117.200 mm 11.705 mm 11.715 mm HRAS_085 7216 U Comp 129.73 mm 129.733 mm 19.573 mm 17.071 mm HRAS_085 7216 E Comp -35.15 mm -35.149 mm 4.537 mm 3.957 mm HRAS_085 7216 N Comp 59.38 mm 59.377 mm 3.840 mm 3.349 mm 4. HRAS_085 CL 0 1983.09.02-17:20:43.656 4039.192 ns 0.227 ns 0.227 ns 5. HRAS_085 CL 1 1983.09.02-17:20:43.656 160.851 D-14 2.090 D-14 2.092 D-14 6. HRAS_085 CL 2 1983.09.02-17:20:43.656 4.949 D-14/day 1.759 D-14/day 1.761 D-14/day 32. HRAS_085 AT 0 1983.09.02-17:20:43.656 -25.496 ps 77.303 ps 77.373 ps HRAS_085 Atm 1983.09.03-05:51:15.840 Avg: -114.206 ps Rms: 56.838 ps Tot_Rms: 127.568 ps || Nat: 221 Dura: 87590.0 sec Tzd_avg: 6739.8 Tzd_rms: 20.7 Wzd_avg: 359.1 Wzd_rms: 20.8 ps Prs_avg: 83633. Pa Tem_avg: 20.7 C Stm_avg: -3.2 C Stm_rms: 2.9 K Spr_avg: -433. Spr_rms: 66. Pa 108. HRAS_085 NG 1983.09.02-17:19:43.656 -0.007 mm 0.422 mm 0.423 mm 109. HRAS_085 EG 1983.09.02-17:19:43.656 -0.017 mm 0.422 mm 0.423 mm 110. HRAS_085 NG 1983.09.03-01:19:43.656 -0.003 mm 0.377 mm 0.377 mm 111. HRAS_085 EG 1983.09.03-01:19:43.656 -0.005 mm 0.377 mm 0.377 mm 112. HRAS_085 NG 1983.09.03-09:19:43.656 -0.000 mm 0.377 mm 0.377 mm 113. HRAS_085 EG 1983.09.03-09:19:43.656 0.006 mm 0.377 mm 0.377 mm 114. HRAS_085 NG 1983.09.03-17:19:43.656 -0.009 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1983.09.03-17:19:43.656 0.006 mm 0.422 mm 0.423 mm 116. WESTFORD 7209 NOAM X Comp 1492206596.72 mm 53.724 mm 4.452 mm 4.456 mm 117. WESTFORD 7209 NOAM Y Comp -4458130451.50 mm 70.496 mm 16.174 mm 16.189 mm 118. WESTFORD 7209 NOAM Z Comp 4296015429.80 mm -117.200 mm 11.705 mm 11.715 mm WESTFORD 7209 U Comp -116.00 mm -115.998 mm 18.596 mm 16.218 mm WESTFORD 7209 E Comp 73.32 mm 73.322 mm 7.828 mm 6.827 mm WESTFORD 7209 N Comp -52.54 mm -52.538 mm 3.367 mm 2.937 mm 119. WESTFORD AT 0 1983.09.02-17:20:43.656 -37.118 ps 54.616 ps 54.665 ps WESTFORD Atm 1983.09.03-05:51:15.840 Avg: -20.577 ps Rms: 41.240 ps Tot_Rms: 46.088 ps || Nat: 221 Dura: 87590.0 sec Tzd_avg: 8047.9 Tzd_rms: 18.7 Wzd_avg: 459.0 Wzd_rms: 23.9 ps Prs_avg: 100340. Pa Tem_avg: 21.3 C Stm_avg: -0.9 C Stm_rms: 1.8 K Spr_avg: 189. Spr_rms: 37. Pa 195. WESTFORD NG 1983.09.02-17:19:43.656 -0.015 mm 0.422 mm 0.423 mm 196. WESTFORD EG 1983.09.02-17:19:43.656 0.021 mm 0.422 mm 0.423 mm 197. WESTFORD NG 1983.09.03-01:19:43.656 -0.023 mm 0.377 mm 0.377 mm 198. WESTFORD EG 1983.09.03-01:19:43.656 0.006 mm 0.377 mm 0.377 mm 199. WESTFORD NG 1983.09.03-09:19:43.656 -0.014 mm 0.377 mm 0.377 mm 200. WESTFORD EG 1983.09.03-09:19:43.656 -0.012 mm 0.377 mm 0.377 mm 201. WESTFORD NG 1983.09.03-17:19:43.656 -0.005 mm 0.422 mm 0.423 mm 202. WESTFORD EG 1983.09.03-17:19:43.656 -0.000 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.87 ps/h NRMS 0.28 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 15.70 ps/h NRMS 0.31 share 0.85 count 76 Overall RMS 14.81 ps/h NRMS 0.30 share 0.88 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.78 D-14 NRMS 0.56 share 0.25 count 26 Overall RMS 2.78 D-14 NRMS 0.56 share 0.25 count 26 203. UT1-TAI 1, 1983.09.03-05:31:00.000 -1.2415 ms/d 245.95 micros/d 171.90 micros/d 172.06 micros/d EOP epoch (TDT) MJD: 45580.230234 NUT epoch (TDT) MJD: 45580.213577 204. Nutation DPSI wrt apriori model 1983.09.03-05:30:35.496 -3.618 mas 2298.8 microasec 2300.9 microasec Nutation Dx wrt apriori model 1983.09.03-05:30:35.496 -1.444 mas 912.0 microasec 912.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.03-05:30:35.496 -10.569 mas 2298.8 microasec 2300.9 microasec 205. Nutation DEPS wrt apriori model 1983.09.03-05:30:35.496 1.241 mas 688.3 microasec 689.0 microasec Nutation Dy wrt apriori model 1983.09.03-05:30:35.496 1.235 mas 691.7 microasec 692.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.03-05:30:35.496 0.605 mas 688.3 microasec 689.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0783 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928032.49 9.83 3134928032.49 9.83 138.42 5.66 253.06 39.31 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:18 Correlator type: Unknown Experiment code: pol128 Mark-3 db_name: $83SEP07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830907_a Ver 2 pol128 Matrix Condition Number = 7.955713302613721E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.6 4.2 836.1 0.9 40.7 8.6 WESTFORD MET 21.4 3.6 1001.8 3.0 19.4 0.2 Run 26091-1741 221 Observation Pairs Available Session started on: 2445585.209200 1983.09.07 17:01:14.880 UTC Nominal duration: 87583.680 sec 01 00:19:43.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 191 57.638 ps 0.87 1.0094 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 197 Number of potentially good observations with QC 5-9: 197 Number of used observations: 191 ( 96.95%) Number of suppressed observations: 6 ( 3.05%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 191 197 57.638 0.87 19830907_a pol128 1983.09.08-05:11:06.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 11 61.246 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 0212+735 J0217+7349 13 13 13 109.875 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 0234+285 J0237+2848 15 15 15 43.133 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 0552+398 J0555+3948 17 19 19 54.104 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 1637+574 J1638+5720 17 17 22 153.561 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 2134+00 J2136+0041 10 10 13 48.715 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 3C273B J1229+0203 14 14 14 32.627 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 3C345 J1642+3948 18 18 18 27.767 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 3C454.3 J2253+1608 13 13 13 40.773 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: 4C39.25 J0927+3902 7 7 18 68.680 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: NRAO150 J0359+5057 19 19 20 95.454 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: OJ287 J0854+2006 10 14 14 44.839 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: OQ208 J1407+2827 17 17 18 108.878 19830907_a pol128 1983.09.08-05:11:06.720 SRC_STAT: VR422201 J2202+4216 11 11 13 68.345 19830907_a pol128 1983.09.08-05:11:06.720 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.08-05:10:34 1. HRAS_085 7216 NOAM X Comp -1324211068.78 mm -51.782 mm 4.049 mm 4.068 mm 2. HRAS_085 7216 NOAM Y Comp -5332023133.22 mm -51.218 mm 15.181 mm 15.252 mm 3. HRAS_085 7216 NOAM Z Comp 3232118391.12 mm 84.123 mm 11.067 mm 11.119 mm HRAS_085 7216 U Comp 96.38 mm 96.377 mm 18.524 mm 16.086 mm HRAS_085 7216 E Comp -37.91 mm -37.910 mm 3.699 mm 3.212 mm HRAS_085 7216 N Comp 40.69 mm 40.689 mm 3.537 mm 3.072 mm 4. HRAS_085 CL 0 1983.09.07-17:00:42.696 4867.776 ns 0.215 ns 0.216 ns 5. HRAS_085 CL 1 1983.09.07-17:00:42.696 172.052 D-14 2.101 D-14 2.111 D-14 6. HRAS_085 CL 2 1983.09.07-17:00:42.696 3.873 D-14/day 1.769 D-14/day 1.777 D-14/day 32. HRAS_085 AT 0 1983.09.07-17:00:42.696 -7.808 ps 72.287 ps 72.625 ps HRAS_085 Atm 1983.09.08-05:31:14.880 Avg: -66.462 ps Rms: 48.476 ps Tot_Rms: 82.262 ps || Nat: 221 Dura: 87590.0 sec Tzd_avg: 6911.6 Tzd_rms: 25.4 Wzd_avg: 538.8 Wzd_rms: 26.0 ps Prs_avg: 83606. Pa Tem_avg: 19.6 C Stm_avg: -1.0 C Stm_rms: 1.6 K Spr_avg: -432. Spr_rms: 61. Pa 108. HRAS_085 NG 1983.09.07-16:59:42.696 0.002 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1983.09.07-16:59:42.696 0.012 mm 0.422 mm 0.424 mm 110. HRAS_085 NG 1983.09.08-00:59:42.696 -0.016 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1983.09.08-00:59:42.696 -0.011 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1983.09.08-08:59:42.696 -0.017 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1983.09.08-08:59:42.696 0.008 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1983.09.08-16:59:42.696 -0.012 mm 0.422 mm 0.424 mm 115. HRAS_085 EG 1983.09.08-16:59:42.696 0.015 mm 0.422 mm 0.424 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.78 mm 51.782 mm 4.049 mm 4.068 mm 117. WESTFORD 7209 NOAM Y Comp -4458130470.78 mm 51.218 mm 15.181 mm 15.252 mm 118. WESTFORD 7209 NOAM Z Comp 4296015462.88 mm -84.123 mm 11.067 mm 11.119 mm WESTFORD 7209 U Comp -80.60 mm -80.603 mm 17.389 mm 15.101 mm WESTFORD 7209 E Comp 65.36 mm 65.361 mm 7.580 mm 6.582 mm WESTFORD 7209 N Comp -40.15 mm -40.154 mm 3.085 mm 2.679 mm 119. WESTFORD AT 0 1983.09.07-17:00:42.696 -310.296 ps 52.191 ps 52.434 ps WESTFORD Atm 1983.09.08-05:31:14.880 Avg: -73.160 ps Rms: 132.019 ps Tot_Rms: 150.935 ps || Nat: 221 Dura: 87590.0 sec Tzd_avg: 8005.6 Tzd_rms: 151.8 Wzd_avg: 429.1 Wzd_rms: 175.1 ps Prs_avg: 100178. Pa Tem_avg: 21.4 C Stm_avg: 0.1 C Stm_rms: 1.0 K Spr_avg: 203. Spr_rms: 40. Pa 195. WESTFORD NG 1983.09.07-16:59:42.696 -0.005 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1983.09.07-16:59:42.696 -0.016 mm 0.422 mm 0.424 mm 197. WESTFORD NG 1983.09.08-00:59:42.696 -0.006 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1983.09.08-00:59:42.696 0.029 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1983.09.08-08:59:42.696 0.003 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1983.09.08-08:59:42.696 0.001 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1983.09.08-16:59:42.696 0.006 mm 0.422 mm 0.424 mm 202. WESTFORD EG 1983.09.08-16:59:42.696 -0.005 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 16.70 ps/h NRMS 0.33 share 0.90 count 76 2. WESTFORD Input 50.00 ps/h RMS 39.15 ps/h NRMS 0.78 share 0.83 count 76 Overall RMS 30.09 ps/h NRMS 0.60 share 0.87 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.25 D-14 NRMS 0.65 share 0.24 count 26 Overall RMS 3.25 D-14 NRMS 0.65 share 0.24 count 26 203. UT1-TAI 1, 1983.09.08-05:11:00.000 -2.1538 ms/d 208.11 micros/d 145.90 micros/d 146.58 micros/d EOP epoch (TDT) MJD: 45585.216345 NUT epoch (TDT) MJD: 45585.206781 204. Nutation DPSI wrt apriori model 1983.09.08-05:10:34.536 -2.075 mas 2158.5 microasec 2168.6 microasec Nutation Dx wrt apriori model 1983.09.08-05:10:34.536 -0.827 mas 856.3 microasec 860.3 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.08-05:10:34.536 -8.765 mas 2158.5 microasec 2168.6 microasec 205. Nutation DEPS wrt apriori model 1983.09.08-05:10:34.536 0.515 mas 651.6 microasec 654.6 microasec Nutation Dy wrt apriori model 1983.09.08-05:10:34.536 0.512 mas 654.7 microasec 657.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.08-05:10:34.536 0.630 mas 651.6 microasec 654.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0887 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928040.70 8.95 3134928040.70 8.95 110.28 5.37 182.21 36.99 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:21 Correlator type: Unknown Experiment code: pol129 Mark-3 db_name: $83SEP12X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830912_a Ver 2 pol129 Matrix Condition Number = 2.525081912447576E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.2 3.4 837.6 1.8 34.1 18.0 WESTFORD MET 19.1 3.3 1003.1 1.8 15.2 2.2 Run 26091-1741 218 Observation Pairs Available Session started on: 2445590.248100 1983.09.12 17:57:15.840 UTC Nominal duration: 86806.080 sec 01 00:06:46.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 166 81.355 ps 0.89 1.0256 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 166 Number of potentially good observations with QC 5-9: 166 Number of used observations: 166 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 166 166 81.355 0.89 19830912_a pol129 1983.09.13-06:00:38.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 11 74.444 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 0212+735 J0217+7349 7 7 13 190.612 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 0234+285 J0237+2848 10 10 15 79.676 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 0552+398 J0555+3948 16 16 18 46.525 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 1637+574 J1638+5720 11 11 22 118.259 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 2134+00 J2136+0041 8 8 13 82.517 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 3C273B J1229+0203 13 13 14 60.309 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 3C345 J1642+3948 19 19 19 62.481 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 3C454.3 J2253+1608 12 12 13 55.800 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: 4C39.25 J0927+3902 7 7 17 63.171 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: NRAO150 J0359+5057 18 18 18 142.948 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: OJ287 J0854+2006 13 13 14 39.038 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: OQ208 J1407+2827 14 14 18 148.025 19830912_a pol129 1983.09.13-06:00:38.880 SRC_STAT: VR422201 J2202+4216 10 10 13 78.148 19830912_a pol129 1983.09.13-06:00:38.880 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.13-06:00:06 1. HRAS_085 7216 NOAM X Comp -1324211068.03 mm -51.034 mm 6.408 mm 6.489 mm 2. HRAS_085 7216 NOAM Y Comp -5332023124.50 mm -42.500 mm 26.732 mm 27.072 mm 3. HRAS_085 7216 NOAM Z Comp 3232118391.74 mm 84.738 mm 19.234 mm 19.479 mm HRAS_085 7216 U Comp 89.25 mm 89.255 mm 32.325 mm 28.741 mm HRAS_085 7216 E Comp -39.29 mm -39.286 mm 7.100 mm 6.313 mm HRAS_085 7216 N Comp 45.62 mm 45.622 mm 5.500 mm 4.890 mm 4. HRAS_085 CL 0 1983.09.12-17:56:43.656 5719.108 ns 0.344 ns 0.348 ns 5. HRAS_085 CL 1 1983.09.12-17:56:43.656 171.101 D-14 2.153 D-14 2.180 D-14 6. HRAS_085 CL 2 1983.09.12-17:56:43.656 4.244 D-14/day 1.840 D-14/day 1.864 D-14/day 32. HRAS_085 AT 0 1983.09.12-17:56:43.656 11.721 ps 97.640 ps 98.884 ps HRAS_085 Atm 1983.09.13-06:27:15.840 Avg: 31.940 ps Rms: 26.717 ps Tot_Rms: 41.641 ps || Nat: 218 Dura: 86810.0 sec Tzd_avg: 6992.0 Tzd_rms: 31.5 Wzd_avg: 612.2 Wzd_rms: 26.5 ps Prs_avg: 83760. Pa Tem_avg: 18.2 C Stm_avg: -2.5 C Stm_rms: 1.1 K Spr_avg: -403. Spr_rms: 27. Pa 108. HRAS_085 NG 1983.09.12-17:55:43.656 -0.001 mm 0.422 mm 0.428 mm 109. HRAS_085 EG 1983.09.12-17:55:43.656 0.012 mm 0.422 mm 0.428 mm 110. HRAS_085 NG 1983.09.13-01:55:43.656 -0.010 mm 0.377 mm 0.382 mm 111. HRAS_085 EG 1983.09.13-01:55:43.656 0.011 mm 0.377 mm 0.382 mm 112. HRAS_085 NG 1983.09.13-09:55:43.656 -0.014 mm 0.377 mm 0.382 mm 113. HRAS_085 EG 1983.09.13-09:55:43.656 -0.002 mm 0.377 mm 0.382 mm 114. HRAS_085 NG 1983.09.13-17:55:43.656 -0.016 mm 0.422 mm 0.428 mm 115. HRAS_085 EG 1983.09.13-17:55:43.656 -0.016 mm 0.422 mm 0.428 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.03 mm 51.034 mm 6.408 mm 6.489 mm 117. WESTFORD 7209 NOAM Y Comp -4458130479.50 mm 42.500 mm 26.732 mm 27.072 mm 118. WESTFORD 7209 NOAM Z Comp 4296015462.26 mm -84.738 mm 19.234 mm 19.479 mm WESTFORD 7209 U Comp -75.11 mm -75.110 mm 30.900 mm 27.474 mm WESTFORD 7209 E Comp 61.88 mm 61.885 mm 12.133 mm 10.788 mm WESTFORD 7209 N Comp -46.04 mm -46.043 mm 4.854 mm 4.316 mm 119. WESTFORD AT 0 1983.09.12-17:56:43.656 -38.878 ps 64.289 ps 65.108 ps WESTFORD Atm 1983.09.13-06:27:15.840 Avg: -32.204 ps Rms: 52.535 ps Tot_Rms: 61.620 ps || Nat: 218 Dura: 86810.0 sec Tzd_avg: 8132.0 Tzd_rms: 120.0 Wzd_avg: 548.3 Wzd_rms: 136.4 ps Prs_avg: 100305. Pa Tem_avg: 19.1 C Stm_avg: -1.2 C Stm_rms: 2.0 K Spr_avg: 185. Spr_rms: 40. Pa 195. WESTFORD NG 1983.09.12-17:55:43.656 -0.002 mm 0.422 mm 0.428 mm 196. WESTFORD EG 1983.09.12-17:55:43.656 0.002 mm 0.422 mm 0.428 mm 197. WESTFORD NG 1983.09.13-01:55:43.656 0.008 mm 0.377 mm 0.382 mm 198. WESTFORD EG 1983.09.13-01:55:43.656 -0.002 mm 0.377 mm 0.382 mm 199. WESTFORD NG 1983.09.13-09:55:43.656 0.009 mm 0.377 mm 0.382 mm 200. WESTFORD EG 1983.09.13-09:55:43.656 -0.002 mm 0.377 mm 0.382 mm 201. WESTFORD NG 1983.09.13-17:55:43.656 0.006 mm 0.422 mm 0.428 mm 202. WESTFORD EG 1983.09.13-17:55:43.656 0.011 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.32 ps/h NRMS 0.29 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 20.23 ps/h NRMS 0.40 share 0.91 count 76 Overall RMS 17.53 ps/h NRMS 0.35 share 0.92 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.56 D-14 NRMS 0.51 share 0.31 count 26 Overall RMS 2.56 D-14 NRMS 0.51 share 0.31 count 26 203. UT1-TAI 1, 1983.09.13-06:00:00.000 -1.9054 ms/d -297.19 micros/d 225.42 micros/d 228.29 micros/d EOP epoch (TDT) MJD: 45590.250373 NUT epoch (TDT) MJD: 45590.215369 204. Nutation DPSI wrt apriori model 1983.09.13-06:00:06.696 0.343 mas 3119.4 microasec 3159.1 microasec Nutation Dx wrt apriori model 1983.09.13-06:00:06.696 0.135 mas 1237.7 microasec 1253.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.13-06:00:06.696 -6.795 mas 3119.4 microasec 3159.1 microasec 205. Nutation DEPS wrt apriori model 1983.09.13-06:00:06.696 0.510 mas 886.7 microasec 898.0 microasec Nutation Dy wrt apriori model 1983.09.13-06:00:06.696 0.510 mas 891.3 microasec 902.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.13-06:00:06.696 0.278 mas 886.7 microasec 898.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1164 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928034.08 14.10 3134928034.08 14.10 119.98 7.77 169.18 65.14 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:24 Correlator type: Unknown Experiment code: pol130 Mark-3 db_name: $83SEP17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830917_a Ver 2 pol130 Matrix Condition Number = 1.314377495004561E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.6 3.2 834.1 0.5 41.9 2.0 WESTFORD MET 14.8 1.8 1004.8 1.3 78.8 27.0 Run 26091-1741 221 Observation Pairs Available Session started on: 2445595.234900 1983.09.17 17:38:15.360 UTC Nominal duration: 86806.080 sec 01 00:06:46.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 183 76.016 ps 0.89 1.0338 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 191 Number of potentially good observations with QC 5-9: 191 Number of used observations: 183 ( 95.81%) Number of suppressed observations: 8 ( 4.19%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 183 191 76.016 0.89 19830917_a pol130 1983.09.18-05:41:38.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 11 95.614 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 0212+735 J0217+7349 8 8 13 103.431 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 0234+285 J0237+2848 15 15 15 87.553 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 0552+398 J0555+3948 19 19 19 54.163 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 1637+574 J1638+5720 14 14 22 203.696 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 2134+00 J2136+0041 11 11 13 78.952 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 3C273B J1229+0203 11 15 15 40.405 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 3C345 J1642+3948 17 17 18 46.082 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 3C454.3 J2253+1608 13 13 13 37.974 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: 4C39.25 J0927+3902 7 7 17 65.777 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: NRAO150 J0359+5057 18 19 19 85.763 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: OJ287 J0854+2006 14 15 15 52.125 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: OQ208 J1407+2827 16 17 18 111.189 19830917_a pol130 1983.09.18-05:41:38.400 SRC_STAT: VR422201 J2202+4216 9 10 13 125.162 19830917_a pol130 1983.09.18-05:41:38.400 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.18-05:41:06 1. HRAS_085 7216 NOAM X Comp -1324211066.35 mm -49.346 mm 5.202 mm 5.289 mm 2. HRAS_085 7216 NOAM Y Comp -5332023158.46 mm -76.463 mm 19.304 mm 19.628 mm 3. HRAS_085 7216 NOAM Z Comp 3232118430.30 mm 123.305 mm 13.958 mm 14.192 mm HRAS_085 7216 U Comp 136.92 mm 136.920 mm 23.462 mm 20.887 mm HRAS_085 7216 E Comp -29.46 mm -29.461 mm 4.814 mm 4.285 mm HRAS_085 7216 N Comp 62.22 mm 62.216 mm 4.568 mm 4.067 mm 4. HRAS_085 CL 0 1983.09.17-17:37:43.176 1529.754 ns 0.245 ns 0.249 ns 5. HRAS_085 CL 1 1983.09.17-17:37:43.176 -77.571 D-14 2.108 D-14 2.144 D-14 6. HRAS_085 CL 2 1983.09.17-17:37:43.176 2.624 D-14/day 1.812 D-14/day 1.842 D-14/day 32. HRAS_085 AT 0 1983.09.17-17:37:43.176 70.714 ps 79.205 ps 80.534 ps HRAS_085 Atm 1983.09.18-06:08:15.360 Avg: -55.504 ps Rms: 64.525 ps Tot_Rms: 85.113 ps || Nat: 221 Dura: 86810.0 sec Tzd_avg: 6933.0 Tzd_rms: 72.7 Wzd_avg: 574.4 Wzd_rms: 74.4 ps Prs_avg: 83410. Pa Tem_avg: 17.6 C Stm_avg: -3.6 C Stm_rms: 1.9 K Spr_avg: -460. Spr_rms: 48. Pa 108. HRAS_085 NG 1983.09.17-17:36:43.176 -0.020 mm 0.422 mm 0.429 mm 109. HRAS_085 EG 1983.09.17-17:36:43.176 -0.023 mm 0.422 mm 0.429 mm 110. HRAS_085 NG 1983.09.18-01:36:43.176 -0.006 mm 0.377 mm 0.383 mm 111. HRAS_085 EG 1983.09.18-01:36:43.176 -0.005 mm 0.377 mm 0.383 mm 112. HRAS_085 NG 1983.09.18-09:36:43.176 0.012 mm 0.377 mm 0.383 mm 113. HRAS_085 EG 1983.09.18-09:36:43.176 0.030 mm 0.377 mm 0.383 mm 114. HRAS_085 NG 1983.09.18-17:36:43.176 0.017 mm 0.422 mm 0.429 mm 115. HRAS_085 EG 1983.09.18-17:36:43.176 0.026 mm 0.422 mm 0.429 mm 116. WESTFORD 7209 NOAM X Comp 1492206592.35 mm 49.346 mm 5.202 mm 5.289 mm 117. WESTFORD 7209 NOAM Y Comp -4458130445.54 mm 76.463 mm 19.304 mm 19.628 mm 118. WESTFORD 7209 NOAM Z Comp 4296015423.70 mm -123.305 mm 13.958 mm 14.192 mm WESTFORD 7209 U Comp -125.32 mm -125.319 mm 22.040 mm 19.621 mm WESTFORD 7209 E Comp 71.06 mm 71.064 mm 9.629 mm 8.572 mm WESTFORD 7209 N Comp -52.26 mm -52.258 mm 4.008 mm 3.568 mm 119. WESTFORD AT 0 1983.09.17-17:37:43.176 1.925 ps 46.608 ps 47.390 ps WESTFORD Atm 1983.09.18-06:08:15.360 Avg: 0.235 ps Rms: 13.769 ps Tot_Rms: 13.771 ps || Nat: 221 Dura: 86810.0 sec Tzd_avg: 8106.6 Tzd_rms: 95.1 Wzd_avg: 509.6 Wzd_rms: 107.0 ps Prs_avg: 100480. Pa Tem_avg: 14.8 C Stm_avg: -2.0 C Stm_rms: 1.1 K Spr_avg: 198. Spr_rms: 29. Pa 195. WESTFORD NG 1983.09.17-17:36:43.176 0.007 mm 0.422 mm 0.429 mm 196. WESTFORD EG 1983.09.17-17:36:43.176 0.031 mm 0.422 mm 0.429 mm 197. WESTFORD NG 1983.09.18-01:36:43.176 -0.001 mm 0.377 mm 0.383 mm 198. WESTFORD EG 1983.09.18-01:36:43.176 0.003 mm 0.377 mm 0.383 mm 199. WESTFORD NG 1983.09.18-09:36:43.176 0.007 mm 0.377 mm 0.383 mm 200. WESTFORD EG 1983.09.18-09:36:43.176 -0.011 mm 0.377 mm 0.383 mm 201. WESTFORD NG 1983.09.18-17:36:43.176 0.006 mm 0.422 mm 0.429 mm 202. WESTFORD EG 1983.09.18-17:36:43.176 -0.014 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.86 ps/h NRMS 0.28 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 11.48 ps/h NRMS 0.23 share 0.86 count 76 Overall RMS 12.73 ps/h NRMS 0.25 share 0.89 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.52 D-14 NRMS 0.50 share 0.29 count 26 Overall RMS 2.52 D-14 NRMS 0.50 share 0.29 count 26 203. UT1-TAI 1, 1983.09.18-05:41:00.000 -1.2293 ms/d 258.07 micros/d 180.61 micros/d 183.64 micros/d EOP epoch (TDT) MJD: 45595.237178 NUT epoch (TDT) MJD: 45595.226425 204. Nutation DPSI wrt apriori model 1983.09.18-05:41:06.216 -6.942 mas 2724.6 microasec 2770.3 microasec Nutation Dx wrt apriori model 1983.09.18-05:41:06.216 -2.766 mas 1081.0 microasec 1099.2 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.18-05:41:06.216 -13.482 mas 2724.6 microasec 2770.3 microasec 205. Nutation DEPS wrt apriori model 1983.09.18-05:41:06.216 1.094 mas 786.4 microasec 799.6 microasec Nutation Dy wrt apriori model 1983.09.18-05:41:06.216 1.084 mas 790.3 microasec 803.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.18-05:41:06.216 0.904 mas 786.4 microasec 799.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1166 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928023.81 11.67 3134928023.81 11.67 136.83 6.76 270.10 46.86 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:27 Correlator type: Unknown Experiment code: pol131 Mark-3 db_name: $83SEP22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830922_a Ver 2 pol131 Matrix Condition Number = 3.255807613751404E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.3 5.6 839.9 1.1 25.5 1.0 ONSALA60 MET 12.7 1.0 1021.2 3.2 47.2 6.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 12.5 2.7 1003.6 3.8 19.7 0.9 Run 26091-1741 384 Observation Pairs Available Session started on: 2445600.246600 1983.09.22 17:55:06.240 UTC Nominal duration: 86883.840 sec 01 00:08:03.840 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 158 52.443 ps 0.80 1.0171 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 159 Number of potentially good observations with QC 5-9: 159 Number of used observations: 158 ( 99.37%) Number of suppressed observations: 1 ( 0.63%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 22 22 29.330 0.58 19830922_a pol131 1983.09.23-05:59:08.1 BAS_STAT HRAS_085 WESTFORD 104 105 58.468 0.84 19830922_a pol131 1983.09.23-05:59:08.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 32 32 55.405 0.78 19830922_a pol131 1983.09.23-05:59:08.1 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19830922_a pol131 ONSALA85 WESTFORD 0/ 0 deselected baseline 19830922_a pol131 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 7 7 9 96.744 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 0212+735 J0217+7349 17 17 36 103.733 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 0234+285 J0237+2848 16 16 26 57.157 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 0552+398 J0555+3948 16 16 28 37.468 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 1637+574 J1638+5720 9 9 35 116.300 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 2134+00 J2136+0041 5 5 20 90.428 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 3C273B J1229+0203 10 10 20 18.759 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 3C345 J1642+3948 24 24 42 23.615 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 3C454.3 J2253+1608 10 10 25 68.387 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 3C84 J0319+4130 0 0 1 0.000 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: 4C39.25 J0927+3902 4 4 33 55.789 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: NRAO150 J0359+5057 15 15 46 83.593 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: OJ287 J0854+2006 8 9 14 41.134 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: OQ208 J1407+2827 7 7 19 112.352 19830922_a pol131 1983.09.23-05:59:08.160 SRC_STAT: VR422201 J2202+4216 10 10 30 37.830 19830922_a pol131 1983.09.23-05:59:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.23-05:58:35 1. HRAS_085 7216 NOAM X Comp -1324211071.86 mm -54.857 mm 21.819 mm 22.004 mm 2. HRAS_085 7216 NOAM Y Comp -5332023078.28 mm 3.717 mm 29.940 mm 30.194 mm 3. HRAS_085 7216 NOAM Z Comp 3232118467.33 mm 160.328 mm 41.336 mm 41.688 mm HRAS_085 7216 U Comp 89.97 mm 89.974 mm 40.254 mm 32.056 mm HRAS_085 7216 E Comp -54.14 mm -54.135 mm 22.262 mm 17.728 mm HRAS_085 7216 N Comp 133.05 mm 133.050 mm 31.066 mm 24.739 mm 4. HRAS_085 CL 0 1983.09.22-17:54:34.056 1217.765 ns 0.296 ns 0.298 ns 5. HRAS_085 CL 1 1983.09.22-17:54:34.056 -69.992 D-14 2.127 D-14 2.145 D-14 6. HRAS_085 CL 2 1983.09.22-17:54:34.056 0.343 D-14/day 1.812 D-14/day 1.827 D-14/day 32. HRAS_085 AT 0 1983.09.22-17:54:34.056 -170.908 ps 83.035 ps 83.742 ps HRAS_085 Atm 1983.09.23-06:25:06.240 Avg: -153.473 ps Rms: 28.774 ps Tot_Rms: 156.147 ps || Nat: 135 Dura: 86590.0 sec Tzd_avg: 6876.0 Tzd_rms: 15.5 Wzd_avg: 474.7 Wzd_rms: 16.0 ps Prs_avg: 83993. Pa Tem_avg: 17.5 C Stm_avg: -3.6 C Stm_rms: 3.2 K Spr_avg: -395. Spr_rms: 81. Pa 108. HRAS_085 NG 1983.09.22-17:53:34.056 0.003 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1983.09.22-17:53:34.056 0.023 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1983.09.23-01:53:34.056 0.001 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1983.09.23-01:53:34.056 0.007 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1983.09.23-09:53:34.056 0.005 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1983.09.23-09:53:34.056 0.008 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1983.09.23-17:53:34.056 -0.012 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1983.09.23-17:53:34.056 -0.017 mm 0.422 mm 0.426 mm 116. ONSALA60 7213 EURA X Comp 3370605996.37 mm 7.366 mm 41.588 mm 41.942 mm 117. ONSALA60 7213 EURA Y Comp 711917381.14 mm -147.861 mm 24.622 mm 24.831 mm 118. ONSALA60 7213 EURA Z Comp 5349830646.37 mm -119.632 mm 73.767 mm 74.394 mm ONSALA60 7213 U Comp -113.36 mm -113.361 mm 81.427 mm 64.844 mm ONSALA60 7213 E Comp -146.19 mm -146.191 mm 29.143 mm 23.208 mm ONSALA60 7213 N Comp -44.79 mm -44.792 mm 17.250 mm 13.737 mm 119. ONSALA60 CL 0 1983.09.22-17:54:34.056 739.514 ns 0.576 ns 0.581 ns 120. ONSALA60 CL 1 1983.09.22-17:54:34.056 -73.890 D-14 2.519 D-14 2.541 D-14 121. ONSALA60 CL 2 1983.09.22-17:54:34.056 1.446 D-14/day 2.264 D-14/day 2.283 D-14/day 147. ONSALA60 AT 0 1983.09.22-17:54:34.056 0.111 ps 111.587 ps 112.536 ps ONSALA60 Atm 1983.09.23-06:25:06.240 Avg: 27.463 ps Rms: 12.474 ps Tot_Rms: 30.163 ps || Nat: 78 Dura: 85500.0 sec Tzd_avg: 7990.7 Tzd_rms: 62.4 Wzd_avg: 274.6 Wzd_rms: 42.9 ps Prs_avg: 102113. Pa Tem_avg: 12.6 C Stm_avg: -0.4 C Stm_rms: 0.3 K Spr_avg: 231. Spr_rms: 31. Pa 223. ONSALA60 NG 1983.09.22-17:53:34.056 0.000 mm 0.422 mm 0.426 mm 224. ONSALA60 EG 1983.09.22-17:53:34.056 -0.002 mm 0.422 mm 0.426 mm 225. ONSALA60 NG 1983.09.23-01:53:34.056 0.017 mm 0.377 mm 0.380 mm 226. ONSALA60 EG 1983.09.23-01:53:34.056 0.012 mm 0.377 mm 0.380 mm 227. ONSALA60 NG 1983.09.23-09:53:34.056 0.004 mm 0.377 mm 0.380 mm 228. ONSALA60 EG 1983.09.23-09:53:34.056 0.003 mm 0.377 mm 0.380 mm 229. ONSALA60 NG 1983.09.23-17:53:34.056 -0.000 mm 0.422 mm 0.426 mm 230. ONSALA60 EG 1983.09.23-17:53:34.056 0.001 mm 0.422 mm 0.426 mm 231. WESTFORD 7209 NOAM X Comp 1492206590.49 mm 47.491 mm 21.507 mm 21.689 mm 232. WESTFORD 7209 NOAM Y Comp -4458130377.86 mm 144.143 mm 22.726 mm 22.919 mm 233. WESTFORD 7209 NOAM Z Comp 4296015506.30 mm -40.696 mm 40.447 mm 40.791 mm WESTFORD 7209 U Comp -117.06 mm -117.055 mm 43.253 mm 34.445 mm WESTFORD 7209 E Comp 90.79 mm 90.787 mm 19.382 mm 15.435 mm WESTFORD 7209 N Comp 52.39 mm 52.389 mm 19.194 mm 15.285 mm 234. WESTFORD AT 0 1983.09.22-17:54:34.056 -77.885 ps 60.217 ps 60.729 ps WESTFORD Atm 1983.09.23-06:25:06.240 Avg: -1.600 ps Rms: 29.925 ps Tot_Rms: 29.967 ps || Nat: 169 Dura: 86890.0 sec Tzd_avg: 7856.5 Tzd_rms: 29.1 Wzd_avg: 260.9 Wzd_rms: 38.0 ps Prs_avg: 100352. Pa Tem_avg: 12.5 C Stm_avg: 0.5 C Stm_rms: 1.2 K Spr_avg: 201. Spr_rms: 59. Pa 310. WESTFORD NG 1983.09.22-17:53:34.056 0.016 mm 0.422 mm 0.426 mm 311. WESTFORD EG 1983.09.22-17:53:34.056 -0.003 mm 0.422 mm 0.426 mm 312. WESTFORD NG 1983.09.23-01:53:34.056 -0.000 mm 0.377 mm 0.380 mm 313. WESTFORD EG 1983.09.23-01:53:34.056 0.004 mm 0.377 mm 0.380 mm 314. WESTFORD NG 1983.09.23-09:53:34.056 0.001 mm 0.377 mm 0.380 mm 315. WESTFORD EG 1983.09.23-09:53:34.056 -0.007 mm 0.377 mm 0.380 mm 316. WESTFORD NG 1983.09.23-17:53:34.056 0.004 mm 0.422 mm 0.426 mm 317. WESTFORD EG 1983.09.23-17:53:34.056 0.015 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.78 ps/h NRMS 0.20 share 0.94 count 76 2. ONSALA60 Input 50.00 ps/h RMS 6.68 ps/h NRMS 0.13 share 0.94 count 76 4. WESTFORD Input 50.00 ps/h RMS 13.49 ps/h NRMS 0.27 share 0.90 count 76 Overall RMS 10.36 ps/h NRMS 0.21 share 0.93 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.95 D-14 NRMS 0.59 share 0.29 count 26 2. ONSALA60 Input 5.00 D-14 RMS 2.16 D-14 NRMS 0.43 share 0.57 count 26 Overall RMS 2.58 D-14 NRMS 0.52 share 0.43 count 52 318. UT1-TAI 1, 1983.09.23-05:59:00.000 -2.1556 ms/d -56.00 micros/d 151.47 micros/d 152.76 micros/d EOP epoch (TDT) MJD: 45600.249678 NUT epoch (TDT) MJD: 45600.217205 319. Nutation DPSI wrt apriori model 1983.09.23-05:58:35.976 -4.328 mas 2538.5 microasec 2560.1 microasec Nutation Dx wrt apriori model 1983.09.23-05:58:35.976 -1.725 mas 1007.2 microasec 1015.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.23-05:58:35.976 -10.062 mas 2538.5 microasec 2560.1 microasec 320. Nutation DEPS wrt apriori model 1983.09.23-05:58:35.976 0.945 mas 724.1 microasec 730.3 microasec Nutation Dy wrt apriori model 1983.09.23-05:58:35.976 0.939 mas 727.8 microasec 734.0 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.23-05:58:35.976 1.343 mas 724.1 microasec 730.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1870 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732236.66 60.51 7940732236.66 60.51 238.00 18.69 158.42 122.85 HRAS_085 7216 to WESTFORD 7209 3134928039.08 13.29 3134928039.08 13.29 112.59 7.51 232.33 58.15 ONSALA60 7213 to WESTFORD 7209 5600741424.82 33.75 5600741424.82 33.75 65.20 15.85 11.70 127.72 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:30 Correlator type: Unknown Experiment code: xal833 Mark-3 db_name: $83SEP23XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830923_a Ver 2 xal833 Matrix Condition Number = 1.356388634181984E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 11.0 2.6 1013.7 3.0 20.8 0.3 ONSALA60 MET 12.4 0.7 1015.7 7.2 68.4 17.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1741 385 Observation Pairs Available Session started on: 2445601.292500 1983.09.23 19:01:12.000 UTC Nominal duration: 85052.160 sec 00 23:37:32.160 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 103 52.947 ps 0.80 0.9777 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 106 Number of potentially good observations with QC 5-9: 106 Number of used observations: 103 ( 97.17%) Number of suppressed observations: 3 ( 2.83%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 103 106 52.947 0.80 19830923_a xal833 1983.09.24-06:49:58.0 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19830923_a xal833 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 10 22 71.241 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 0212+735 J0217+7349 21 21 58 72.809 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 0528+134 J0530+1331 9 10 22 42.522 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 0552+398 J0555+3948 15 15 41 37.420 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 2216-038 J2218-0335 5 5 19 19.725 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 3C273B J1229+0203 2 2 19 60.027 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 3C345 J1642+3948 5 5 46 39.729 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 3C454.3 J2253+1608 3 3 26 75.069 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: 4C39.25 J0927+3902 12 12 38 77.007 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: OJ287 J0854+2006 10 10 24 36.080 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: OQ208 J1407+2827 4 4 29 57.837 19830923_a xal833 1983.09.24-06:49:58.080 SRC_STAT: VR422201 J2202+4216 8 9 41 69.538 19830923_a xal833 1983.09.24-06:49:58.080 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.24-06:49:25 1. HAYSTACK 7205 NOAM X Comp 1492404666.97 mm -29.026 mm 11.492 mm 11.363 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266398.19 mm 136.810 mm 12.004 mm 11.869 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881799.86 mm 5.857 mm 19.107 mm 18.893 mm HAYSTACK 7205 U Comp -98.27 mm -98.274 mm 21.997 mm 17.512 mm HAYSTACK 7205 E Comp 15.91 mm 15.913 mm 9.143 mm 7.279 mm HAYSTACK 7205 N Comp 98.40 mm 98.401 mm 8.591 mm 6.839 mm 4. HAYSTACK AT 0 1983.09.23-19:00:39.816 -50.446 ps 72.124 ps 71.315 ps HAYSTACK Atm 1983.09.24-07:01:12.000 Avg: -43.810 ps Rms: 10.203 ps Tot_Rms: 44.982 ps || Nat: 198 Dura: 85050.0 sec Tzd_avg: 7917.6 Tzd_rms: 20.1 Wzd_avg: 271.3 Wzd_rms: 12.3 ps Prs_avg: 101372. Pa Tem_avg: 11.0 C Stm_avg: -0.5 C Stm_rms: 1.2 K Spr_avg: 550. Spr_rms: 28. Pa 77. HAYSTACK NG 1983.09.23-18:59:39.816 -0.005 mm 0.422 mm 0.418 mm 78. HAYSTACK EG 1983.09.23-18:59:39.816 -0.008 mm 0.422 mm 0.418 mm 79. HAYSTACK NG 1983.09.24-02:59:39.816 -0.007 mm 0.377 mm 0.373 mm 80. HAYSTACK EG 1983.09.24-02:59:39.816 -0.015 mm 0.377 mm 0.373 mm 81. HAYSTACK NG 1983.09.24-10:59:39.816 -0.003 mm 0.377 mm 0.373 mm 82. HAYSTACK EG 1983.09.24-10:59:39.816 0.005 mm 0.377 mm 0.373 mm 83. HAYSTACK NG 1983.09.24-18:59:39.816 0.002 mm 0.422 mm 0.418 mm 84. HAYSTACK EG 1983.09.24-18:59:39.816 -0.005 mm 0.422 mm 0.418 mm 85. ONSALA60 7213 EURA X Comp 3370606018.03 mm 29.026 mm 11.492 mm 11.363 mm 86. ONSALA60 7213 EURA Y Comp 711917392.19 mm -136.810 mm 12.004 mm 11.869 mm 87. ONSALA60 7213 EURA Z Comp 5349830760.14 mm -5.857 mm 19.107 mm 18.893 mm ONSALA60 7213 U Comp -4.87 mm -4.865 mm 20.920 mm 16.655 mm ONSALA60 7213 E Comp -139.86 mm -139.855 mm 13.302 mm 10.590 mm ONSALA60 7213 N Comp -3.26 mm -3.263 mm 5.162 mm 4.110 mm 88. ONSALA60 CL 0 1983.09.23-19:00:39.816 -7018.569 ns 0.683 ns 0.676 ns 89. ONSALA60 CL 1 1983.09.23-19:00:39.816 -80.021 D-14 3.603 D-14 3.563 D-14 90. ONSALA60 CL 2 1983.09.23-19:00:39.816 2.744 D-14/day 3.193 D-14/day 3.157 D-14/day 115. ONSALA60 AT 0 1983.09.23-19:00:39.816 -55.704 ps 73.591 ps 72.766 ps ONSALA60 Atm 1983.09.24-07:01:12.000 Avg: -41.725 ps Rms: 46.581 ps Tot_Rms: 62.536 ps || Nat: 193 Dura: 85050.0 sec Tzd_avg: 8210.1 Tzd_rms: 98.5 Wzd_avg: 553.9 Wzd_rms: 98.2 ps Prs_avg: 101565. Pa Tem_avg: 12.4 C Stm_avg: -0.9 C Stm_rms: 0.7 K Spr_avg: 353. Spr_rms: 129. Pa 188. ONSALA60 NG 1983.09.23-18:59:39.816 -0.002 mm 0.422 mm 0.418 mm 189. ONSALA60 EG 1983.09.23-18:59:39.816 0.002 mm 0.422 mm 0.418 mm 190. ONSALA60 NG 1983.09.24-02:59:39.816 0.006 mm 0.377 mm 0.373 mm 191. ONSALA60 EG 1983.09.24-02:59:39.816 -0.006 mm 0.377 mm 0.373 mm 192. ONSALA60 NG 1983.09.24-10:59:39.816 0.013 mm 0.377 mm 0.373 mm 193. ONSALA60 EG 1983.09.24-10:59:39.816 0.003 mm 0.377 mm 0.373 mm 194. ONSALA60 NG 1983.09.24-18:59:39.816 -0.006 mm 0.422 mm 0.418 mm 195. ONSALA60 EG 1983.09.24-18:59:39.816 0.006 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 11.36 ps/h NRMS 0.23 share 0.90 count 73 2. ONSALA60 Input 50.00 ps/h RMS 14.18 ps/h NRMS 0.28 share 0.88 count 73 Overall RMS 12.85 ps/h NRMS 0.26 share 0.89 count 146 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 1.69 D-14 NRMS 0.34 share 0.51 count 25 Overall RMS 1.69 D-14 NRMS 0.34 share 0.51 count 25 196. UT1-TAI 1, 1983.09.24-06:50:00.000 -1.7864 ms/d 319.36 micros/d 205.16 micros/d 202.86 micros/d EOP epoch (TDT) MJD: 45601.285095 NUT epoch (TDT) MJD: 45601.305451 197. Nutation DPSI wrt apriori model 1983.09.24-06:49:25.896 0.644 mas 1790.3 microasec 1770.2 microasec Nutation Dx wrt apriori model 1983.09.24-06:49:25.896 0.263 mas 708.4 microasec 700.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.24-06:49:25.896 -5.020 mas 1790.3 microasec 1770.2 microasec 198. Nutation DEPS wrt apriori model 1983.09.24-06:49:25.896 -1.972 mas 1031.3 microasec 1019.7 microasec Nutation Dy wrt apriori model 1983.09.24-06:49:25.896 -1.971 mas 1033.9 microasec 1022.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.24-06:49:25.896 -1.637 mas 1031.3 microasec 1019.7 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1581 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714536.19 16.78 5599714536.19 16.78 110.22 8.28 -104.18 47.06 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:33 Correlator type: Unknown Experiment code: pol132 Mark-3 db_name: $83SEP27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19830927_a Ver 2 pol132 Matrix Condition Number = 5.212815826006422E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.3 3.7 837.2 0.7 36.5 10.3 MOJAVE12 MET 18.9 4.1 905.7 1.2 61.1 4.8 WESTFORD MET 14.4 3.6 1012.0 3.4 20.0 0.4 Run 26091-1741 655 Observation Pairs Available Session started on: 2445605.248100 1983.09.27 17:57:15.840 UTC Nominal duration: 87350.400 sec 01 00:15:50.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 508 54.591 ps 0.91 1.0114 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 522 Number of potentially good observations with QC 5-9: 522 Number of used observations: 508 ( 97.32%) Number of suppressed observations: 14 ( 2.68%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 200 206 37.376 0.88 19830927_a pol132 1983.09.28-06:05:11.0 BAS_STAT HRAS_085 WESTFORD 161 166 96.709 0.95 19830927_a pol132 1983.09.28-06:05:11.0 BAS_STAT MOJAVE12 WESTFORD 147 150 86.674 0.93 19830927_a pol132 1983.09.28-06:05:11.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 27 28 31 70.431 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 0212+735 J0217+7349 28 29 39 97.182 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 0234+285 J0237+2848 39 40 45 78.658 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 0552+398 J0555+3948 44 45 52 68.741 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 1637+574 J1638+5720 47 48 69 113.260 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 2134+00 J2136+0041 26 26 34 38.062 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 3C273B J1229+0203 19 24 43 30.322 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 3C345 J1642+3948 57 58 60 31.115 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 3C454.3 J2253+1608 33 33 38 53.262 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: 4C39.25 J0927+3902 34 34 51 48.945 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: NRAO150 J0359+5057 42 42 57 60.706 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: OJ287 J0854+2006 39 41 45 40.400 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: OQ208 J1407+2827 45 46 54 83.450 19830927_a pol132 1983.09.28-06:05:11.040 SRC_STAT: VR422201 J2202+4216 28 28 37 45.438 19830927_a pol132 1983.09.28-06:05:11.040 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.09.28-06:04:38 1. HRAS_085 7216 NOAM X Comp -1324211068.93 mm -51.929 mm 4.536 mm 4.561 mm 2. HRAS_085 7216 NOAM Y Comp -5332023103.76 mm -21.761 mm 17.327 mm 17.425 mm 3. HRAS_085 7216 NOAM Z Comp 3232118378.37 mm 71.370 mm 12.017 mm 12.085 mm HRAS_085 7216 U Comp 65.31 mm 65.310 mm 20.771 mm 18.963 mm HRAS_085 7216 E Comp -45.15 mm -45.153 mm 4.592 mm 4.192 mm HRAS_085 7216 N Comp 44.27 mm 44.267 mm 3.561 mm 3.251 mm 4. HRAS_085 AT 0 1983.09.27-17:56:43.656 64.865 ps 59.981 ps 60.321 ps HRAS_085 Atm 1983.09.28-06:27:15.840 Avg: -68.400 ps Rms: 76.411 ps Tot_Rms: 102.553 ps || Nat: 221 Dura: 87350.0 sec Tzd_avg: 7031.5 Tzd_rms: 79.0 Wzd_avg: 657.3 Wzd_rms: 86.6 ps Prs_avg: 83722. Pa Tem_avg: 17.3 C Stm_avg: -1.7 C Stm_rms: 1.7 K Spr_avg: -388. Spr_rms: 91. Pa 80. HRAS_085 NG 1983.09.27-17:55:43.656 -0.078 mm 0.421 mm 0.424 mm 81. HRAS_085 EG 1983.09.27-17:55:43.656 0.028 mm 0.420 mm 0.422 mm 82. HRAS_085 NG 1983.09.28-01:55:43.656 0.013 mm 0.376 mm 0.378 mm 83. HRAS_085 EG 1983.09.28-01:55:43.656 -0.019 mm 0.376 mm 0.378 mm 84. HRAS_085 NG 1983.09.28-09:55:43.656 0.052 mm 0.376 mm 0.378 mm 85. HRAS_085 EG 1983.09.28-09:55:43.656 0.049 mm 0.376 mm 0.378 mm 86. HRAS_085 NG 1983.09.28-17:55:43.656 0.024 mm 0.421 mm 0.423 mm 87. HRAS_085 EG 1983.09.28-17:55:43.656 -0.023 mm 0.420 mm 0.422 mm 88. MOJAVE12 7222 NOAM X Comp -2356171075.96 mm 20.041 mm 4.841 mm 4.868 mm 89. MOJAVE12 7222 NOAM Y Comp -4646755861.25 mm -29.250 mm 12.251 mm 12.321 mm 90. MOJAVE12 7222 NOAM Z Comp 3668470590.90 mm 9.899 mm 10.154 mm 10.212 mm MOJAVE12 7222 U Comp 19.61 mm 19.614 mm 15.165 mm 13.845 mm MOJAVE12 7222 E Comp 31.10 mm 31.102 mm 5.720 mm 5.222 mm MOJAVE12 7222 N Comp -1.77 mm -1.770 mm 3.731 mm 3.406 mm 91. MOJAVE12 CL 0 1983.09.27-17:56:43.656 1549.685 ns 0.135 ns 0.136 ns 92. MOJAVE12 CL 1 1983.09.27-17:56:43.656 -198.050 D-14 2.041 D-14 2.052 D-14 93. MOJAVE12 CL 2 1983.09.27-17:56:43.656 -4.871 D-14/day 1.727 D-14/day 1.736 D-14/day 119. MOJAVE12 AT 0 1983.09.27-17:56:43.656 81.064 ps 40.115 ps 40.342 ps MOJAVE12 Atm 1983.09.28-06:27:15.840 Avg: 40.765 ps Rms: 49.888 ps Tot_Rms: 64.426 ps || Nat: 218 Dura: 87350.0 sec Tzd_avg: 7181.2 Tzd_rms: 33.7 Wzd_avg: 314.1 Wzd_rms: 42.7 ps Prs_avg: 90567. Pa Tem_avg: 18.8 C Stm_avg: -0.7 C Stm_rms: 2.3 K Spr_avg: 71. Spr_rms: 41. Pa 195. MOJAVE12 NG 1983.09.27-17:55:43.656 0.063 mm 0.422 mm 0.424 mm 196. MOJAVE12 EG 1983.09.27-17:55:43.656 -0.078 mm 0.421 mm 0.423 mm 197. MOJAVE12 NG 1983.09.28-01:55:43.656 0.010 mm 0.376 mm 0.378 mm 198. MOJAVE12 EG 1983.09.28-01:55:43.656 -0.003 mm 0.376 mm 0.378 mm 199. MOJAVE12 NG 1983.09.28-09:55:43.656 -0.027 mm 0.376 mm 0.378 mm 200. MOJAVE12 EG 1983.09.28-09:55:43.656 -0.022 mm 0.376 mm 0.378 mm 201. MOJAVE12 NG 1983.09.28-17:55:43.656 -0.009 mm 0.421 mm 0.423 mm 202. MOJAVE12 EG 1983.09.28-17:55:43.656 0.059 mm 0.420 mm 0.423 mm 203. WESTFORD 7209 NOAM X Comp 1492206574.89 mm 31.888 mm 6.091 mm 6.125 mm 204. WESTFORD 7209 NOAM Y Comp -4458130470.99 mm 51.011 mm 21.715 mm 21.837 mm 205. WESTFORD 7209 NOAM Z Comp 4296015465.73 mm -81.269 mm 18.040 mm 18.142 mm WESTFORD 7209 U Comp -83.17 mm -83.174 mm 27.210 mm 24.841 mm WESTFORD 7209 E Comp 46.43 mm 46.430 mm 8.576 mm 7.829 mm WESTFORD 7209 N Comp -33.91 mm -33.911 mm 4.486 mm 4.096 mm 206. WESTFORD CL 0 1983.09.27-17:56:43.656 -913.825 ns 0.243 ns 0.245 ns 207. WESTFORD CL 1 1983.09.27-17:56:43.656 85.568 D-14 2.103 D-14 2.114 D-14 208. WESTFORD CL 2 1983.09.27-17:56:43.656 -8.685 D-14/day 1.803 D-14/day 1.813 D-14/day 234. WESTFORD AT 0 1983.09.27-17:56:43.656 1.328 ps 56.279 ps 56.597 ps WESTFORD Atm 1983.09.28-06:27:15.840 Avg: -67.007 ps Rms: 40.082 ps Tot_Rms: 78.080 ps || Nat: 222 Dura: 87350.0 sec Tzd_avg: 7986.6 Tzd_rms: 96.5 Wzd_avg: 327.1 Wzd_rms: 123.5 ps Prs_avg: 101203. Pa Tem_avg: 14.4 C Stm_avg: -1.3 C Stm_rms: 1.1 K Spr_avg: 181. Spr_rms: 54. Pa 310. WESTFORD NG 1983.09.27-17:55:43.656 0.007 mm 0.422 mm 0.425 mm 311. WESTFORD EG 1983.09.27-17:55:43.656 0.025 mm 0.422 mm 0.424 mm 312. WESTFORD NG 1983.09.28-01:55:43.656 -0.014 mm 0.377 mm 0.379 mm 313. WESTFORD EG 1983.09.28-01:55:43.656 0.009 mm 0.377 mm 0.379 mm 314. WESTFORD NG 1983.09.28-09:55:43.656 -0.028 mm 0.377 mm 0.379 mm 315. WESTFORD EG 1983.09.28-09:55:43.656 -0.011 mm 0.377 mm 0.379 mm 316. WESTFORD NG 1983.09.28-17:55:43.656 -0.013 mm 0.422 mm 0.425 mm 317. WESTFORD EG 1983.09.28-17:55:43.656 -0.001 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 19.77 ps/h NRMS 0.40 share 0.82 count 76 2. MOJAVE12 Input 50.00 ps/h RMS 20.93 ps/h NRMS 0.42 share 0.81 count 76 3. WESTFORD Input 50.00 ps/h RMS 17.84 ps/h NRMS 0.36 share 0.89 count 76 Overall RMS 19.55 ps/h NRMS 0.39 share 0.84 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.14 mm/d NRMS 0.07 share 0.53 count 24 Clock Constraint Statistics 2. MOJAVE12 Input 5.00 D-14 RMS 1.40 D-14 NRMS 0.28 share 0.18 count 26 3. WESTFORD Input 5.00 D-14 RMS 3.38 D-14 NRMS 0.68 share 0.26 count 26 Overall RMS 2.59 D-14 NRMS 0.52 share 0.22 count 52 318. UT1-TAI 1, 1983.09.28-06:05:00.000 -1.6786 ms/d 43.74 micros/d 158.82 micros/d 159.72 micros/d EOP epoch (TDT) MJD: 45605.253845 NUT epoch (TDT) MJD: 45605.238647 319. Nutation DPSI wrt apriori model 1983.09.28-06:04:38.856 -2.304 mas 1806.1 microasec 1816.3 microasec Nutation Dx wrt apriori model 1983.09.28-06:04:38.856 -0.915 mas 716.6 microasec 720.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.09.28-06:04:38.856 -8.342 mas 1806.1 microasec 1816.3 microasec 320. Nutation DEPS wrt apriori model 1983.09.28-06:04:38.856 -0.354 mas 504.3 microasec 507.1 microasec Nutation Dy wrt apriori model 1983.09.28-06:04:38.856 -0.357 mas 506.9 microasec 509.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.09.28-06:04:38.856 -0.178 mas 504.3 microasec 507.1 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0465 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.09.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368152.18 4.62 1313368152.18 4.62 -10.55 3.27 48.60 24.85 HRAS_085 7216 to WESTFORD 7209 3134928019.99 10.24 3134928019.99 10.24 106.55 6.57 149.50 46.63 MOJAVE12 7222 to WESTFORD 7209 3903767750.69 10.62 3903767750.69 10.62 16.08 6.89 120.97 39.95 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:36 Correlator type: Unknown Experiment code: pol133 Mark-3 db_name: $83OCT02X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831002_a Ver 2 pol133 Matrix Condition Number = 1.469655673496802E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.2 3.4 835.7 1.0 53.6 2.1 WESTFORD MET 17.0 1.6 1001.2 0.6 95.4 36.6 Run 26091-1741 216 Observation Pairs Available Session started on: 2445610.234900 1983.10.02 17:38:15.360 UTC Nominal duration: 87350.400 sec 01 00:15:50.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 161 67.693 ps 0.86 1.0159 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 169 Number of potentially good observations with QC 5-9: 169 Number of used observations: 161 ( 95.27%) Number of suppressed observations: 8 ( 4.73%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 161 169 67.693 0.86 19831002_a pol133 1983.10.03-05:46:10.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 11 95.929 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 0212+735 J0217+7349 4 4 11 112.634 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 0234+285 J0237+2848 13 13 14 71.609 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 0552+398 J0555+3948 16 16 16 53.293 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 1637+574 J1638+5720 12 12 23 111.303 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 2134+00 J2136+0041 10 10 13 63.424 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 3C273B J1229+0203 1 8 15 14.738 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 3C345 J1642+3948 20 20 20 29.629 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 3C454.3 J2253+1608 12 12 12 102.435 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: 4C39.25 J0927+3902 6 6 17 36.323 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: NRAO150 J0359+5057 17 17 19 84.405 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: OJ287 J0854+2006 14 15 15 29.414 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: OQ208 J1407+2827 17 17 18 118.872 19831002_a pol133 1983.10.03-05:46:10.560 SRC_STAT: VR422201 J2202+4216 8 8 12 99.514 19831002_a pol133 1983.10.03-05:46:10.560 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.10.03-05:45:38 1. HRAS_085 7216 NOAM X Comp -1324211073.49 mm -56.493 mm 5.338 mm 5.380 mm 2. HRAS_085 7216 NOAM Y Comp -5332023142.24 mm -60.240 mm 20.114 mm 20.273 mm 3. HRAS_085 7216 NOAM Z Comp 3232118420.64 mm 113.639 mm 15.572 mm 15.695 mm HRAS_085 7216 U Comp 119.93 mm 119.929 mm 24.738 mm 21.333 mm HRAS_085 7216 E Comp -40.31 mm -40.308 mm 5.263 mm 4.539 mm HRAS_085 7216 N Comp 61.05 mm 61.045 mm 5.990 mm 5.165 mm 4. HRAS_085 CL 0 1983.10.02-17:37:43.176 765.747 ns 0.292 ns 0.294 ns 5. HRAS_085 CL 1 1983.10.02-17:37:43.176 -44.941 D-14 2.146 D-14 2.163 D-14 6. HRAS_085 CL 2 1983.10.02-17:37:43.176 7.442 D-14/day 1.810 D-14/day 1.825 D-14/day 32. HRAS_085 AT 0 1983.10.02-17:37:43.176 -67.051 ps 77.969 ps 78.586 ps HRAS_085 Atm 1983.10.03-06:08:15.360 Avg: -86.545 ps Rms: 31.075 ps Tot_Rms: 91.954 ps || Nat: 216 Dura: 87350.0 sec Tzd_avg: 6973.0 Tzd_rms: 20.5 Wzd_avg: 605.4 Wzd_rms: 25.3 ps Prs_avg: 83570. Pa Tem_avg: 16.2 C Stm_avg: -4.3 C Stm_rms: 1.9 K Spr_avg: -433. Spr_rms: 77. Pa 108. HRAS_085 NG 1983.10.02-17:36:43.176 0.007 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1983.10.02-17:36:43.176 0.012 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1983.10.03-01:36:43.176 -0.004 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1983.10.03-01:36:43.176 -0.013 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1983.10.03-09:36:43.176 0.001 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1983.10.03-09:36:43.176 0.019 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1983.10.03-17:36:43.176 -0.004 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1983.10.03-17:36:43.176 0.006 mm 0.422 mm 0.426 mm 116. WESTFORD 7209 NOAM X Comp 1492206599.49 mm 56.493 mm 5.338 mm 5.380 mm 117. WESTFORD 7209 NOAM Y Comp -4458130461.76 mm 60.240 mm 20.114 mm 20.273 mm 118. WESTFORD 7209 NOAM Z Comp 4296015433.36 mm -113.639 mm 15.572 mm 15.695 mm WESTFORD 7209 U Comp -105.78 mm -105.783 mm 23.615 mm 20.365 mm WESTFORD 7209 E Comp 72.69 mm 72.692 mm 9.773 mm 8.428 mm WESTFORD 7209 N Comp -57.10 mm -57.097 mm 4.728 mm 4.077 mm 119. WESTFORD AT 0 1983.10.02-17:37:43.176 -38.049 ps 57.366 ps 57.820 ps WESTFORD Atm 1983.10.03-06:08:15.360 Avg: -22.983 ps Rms: 38.267 ps Tot_Rms: 44.639 ps || Nat: 216 Dura: 87350.0 sec Tzd_avg: 8199.1 Tzd_rms: 131.0 Wzd_avg: 631.3 Wzd_rms: 136.9 ps Prs_avg: 100117. Pa Tem_avg: 17.0 C Stm_avg: -1.5 C Stm_rms: 1.0 K Spr_avg: 165. Spr_rms: 36. Pa 195. WESTFORD NG 1983.10.02-17:36:43.176 0.006 mm 0.422 mm 0.426 mm 196. WESTFORD EG 1983.10.02-17:36:43.176 -0.000 mm 0.422 mm 0.425 mm 197. WESTFORD NG 1983.10.03-01:36:43.176 -0.006 mm 0.377 mm 0.380 mm 198. WESTFORD EG 1983.10.03-01:36:43.176 0.025 mm 0.377 mm 0.380 mm 199. WESTFORD NG 1983.10.03-09:36:43.176 -0.005 mm 0.377 mm 0.380 mm 200. WESTFORD EG 1983.10.03-09:36:43.176 -0.012 mm 0.377 mm 0.380 mm 201. WESTFORD NG 1983.10.03-17:36:43.176 -0.001 mm 0.422 mm 0.426 mm 202. WESTFORD EG 1983.10.03-17:36:43.176 -0.000 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.54 ps/h NRMS 0.25 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 18.36 ps/h NRMS 0.37 share 0.86 count 76 Overall RMS 15.72 ps/h NRMS 0.31 share 0.89 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.25 D-14 NRMS 0.65 share 0.28 count 26 Overall RMS 3.25 D-14 NRMS 0.65 share 0.28 count 26 203. UT1-TAI 1, 1983.10.03-05:46:00.000 -2.1965 ms/d 157.26 micros/d 253.97 micros/d 255.98 micros/d EOP epoch (TDT) MJD: 45610.240650 NUT epoch (TDT) MJD: 45610.237837 204. Nutation DPSI wrt apriori model 1983.10.03-05:45:38.376 -6.330 mas 3093.6 microasec 3118.1 microasec Nutation Dx wrt apriori model 1983.10.03-05:45:38.376 -2.516 mas 1226.5 microasec 1236.2 microasec Nutation DPSI wrt Wahr 1980 model 1983.10.03-05:45:38.376 -11.194 mas 3093.6 microasec 3118.1 microasec 205. Nutation DEPS wrt apriori model 1983.10.03-05:45:38.376 -0.497 mas 1143.9 microasec 1153.0 microasec Nutation Dy wrt apriori model 1983.10.03-05:45:38.376 -0.506 mas 1148.4 microasec 1157.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.10.03-05:45:38.376 0.401 mas 1143.9 microasec 1153.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1142 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.10.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928034.16 12.38 3134928034.16 12.38 146.89 8.36 232.38 49.79 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:39 Correlator type: Unknown Experiment code: pol134 Mark-3 db_name: $83OCT07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831007_a Ver 2 pol134 Matrix Condition Number = 1.495379992730599E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.0 5.3 836.2 0.7 29.6 0.8 WESTFORD MET 10.5 4.1 1013.4 2.0 15.2 2.4 Run 26091-1741 220 Observation Pairs Available Session started on: 2445615.221000 1983.10.07 17:18:14.400 UTC Nominal duration: 91065.600 sec 01 01:17:45.600 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 167 74.410 ps 0.88 1.0326 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 173 Number of potentially good observations with QC 5-9: 173 Number of used observations: 167 ( 96.53%) Number of suppressed observations: 6 ( 3.47%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 167 173 74.410 0.88 19831007_a pol134 1983.10.08-05:57:07.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 10 35.566 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 0212+735 J0217+7349 5 5 12 142.605 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 0234+285 J0237+2848 12 12 15 87.982 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 0552+398 J0555+3948 12 13 16 146.171 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 1637+574 J1638+5720 19 19 25 160.785 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 2134+00 J2136+0041 9 9 13 45.583 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 3C273B J1229+0203 7 11 17 46.464 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 3C345 J1642+3948 20 21 21 26.081 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 3C454.3 J2253+1608 10 10 11 51.520 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: 4C39.25 J0927+3902 7 7 19 38.657 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: NRAO150 J0359+5057 16 16 16 117.426 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: OJ287 J0854+2006 15 15 15 46.761 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: OQ208 J1407+2827 18 18 19 82.383 19831007_a pol134 1983.10.08-05:57:07.200 SRC_STAT: VR422201 J2202+4216 8 8 11 95.584 19831007_a pol134 1983.10.08-05:57:07.200 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.10.08-05:56:35 1. HRAS_085 7216 NOAM X Comp -1324211067.09 mm -50.094 mm 5.195 mm 5.279 mm 2. HRAS_085 7216 NOAM Y Comp -5332023106.56 mm -24.557 mm 20.241 mm 20.568 mm 3. HRAS_085 7216 NOAM Z Comp 3232118380.16 mm 73.160 mm 15.533 mm 15.784 mm HRAS_085 7216 U Comp 68.18 mm 68.177 mm 24.835 mm 21.907 mm HRAS_085 7216 E Comp -42.70 mm -42.698 mm 5.670 mm 5.001 mm HRAS_085 7216 N Comp 44.65 mm 44.650 mm 5.387 mm 4.752 mm 4. HRAS_085 CL 0 1983.10.07-17:17:42.216 526.736 ns 0.242 ns 0.246 ns 5. HRAS_085 CL 1 1983.10.07-17:17:42.216 -39.859 D-14 2.081 D-14 2.114 D-14 6. HRAS_085 CL 2 1983.10.07-17:17:42.216 5.333 D-14/day 1.703 D-14/day 1.731 D-14/day 33. HRAS_085 AT 0 1983.10.07-17:17:42.216 -20.031 ps 75.516 ps 76.735 ps HRAS_085 Atm 1983.10.08-06:18:14.400 Avg: -37.298 ps Rms: 13.529 ps Tot_Rms: 39.676 ps || Nat: 220 Dura: 91070.0 sec Tzd_avg: 6834.1 Tzd_rms: 43.2 Wzd_avg: 456.6 Wzd_rms: 40.2 ps Prs_avg: 83620. Pa Tem_avg: 18.9 C Stm_avg: -5.5 C Stm_rms: 3.8 K Spr_avg: -447. Spr_rms: 71. Pa 112. HRAS_085 NG 1983.10.07-17:16:42.216 -0.011 mm 0.422 mm 0.429 mm 113. HRAS_085 EG 1983.10.07-17:16:42.216 -0.014 mm 0.422 mm 0.429 mm 114. HRAS_085 NG 1983.10.08-01:16:42.216 0.002 mm 0.377 mm 0.383 mm 115. HRAS_085 EG 1983.10.08-01:16:42.216 -0.002 mm 0.377 mm 0.383 mm 116. HRAS_085 NG 1983.10.08-09:16:42.216 -0.000 mm 0.377 mm 0.383 mm 117. HRAS_085 EG 1983.10.08-09:16:42.216 0.016 mm 0.377 mm 0.383 mm 118. HRAS_085 NG 1983.10.08-17:16:42.216 -0.010 mm 0.422 mm 0.429 mm 119. HRAS_085 EG 1983.10.08-17:16:42.216 -0.007 mm 0.422 mm 0.429 mm 120. WESTFORD 7209 NOAM X Comp 1492206593.09 mm 50.094 mm 5.195 mm 5.279 mm 121. WESTFORD 7209 NOAM Y Comp -4458130497.44 mm 24.557 mm 20.241 mm 20.568 mm 122. WESTFORD 7209 NOAM Z Comp 4296015473.84 mm -73.160 mm 15.533 mm 15.784 mm WESTFORD 7209 U Comp -54.97 mm -54.969 mm 23.927 mm 21.106 mm WESTFORD 7209 E Comp 55.30 mm 55.298 mm 9.355 mm 8.252 mm WESTFORD 7209 N Comp -48.84 mm -48.840 mm 4.235 mm 3.735 mm 123. WESTFORD AT 0 1983.10.07-17:17:42.216 -76.018 ps 42.417 ps 43.102 ps WESTFORD Atm 1983.10.08-06:18:14.400 Avg: -73.831 ps Rms: 8.818 ps Tot_Rms: 74.356 ps || Nat: 220 Dura: 91070.0 sec Tzd_avg: 7999.1 Tzd_rms: 83.0 Wzd_avg: 330.7 Wzd_rms: 73.7 ps Prs_avg: 101337. Pa Tem_avg: 10.5 C Stm_avg: -2.9 C Stm_rms: 1.2 K Spr_avg: 199. Spr_rms: 44. Pa 202. WESTFORD NG 1983.10.07-17:16:42.216 0.015 mm 0.422 mm 0.429 mm 203. WESTFORD EG 1983.10.07-17:16:42.216 0.001 mm 0.422 mm 0.429 mm 204. WESTFORD NG 1983.10.08-01:16:42.216 0.002 mm 0.377 mm 0.383 mm 205. WESTFORD EG 1983.10.08-01:16:42.216 -0.005 mm 0.377 mm 0.383 mm 206. WESTFORD NG 1983.10.08-09:16:42.216 0.005 mm 0.377 mm 0.383 mm 207. WESTFORD EG 1983.10.08-09:16:42.216 -0.006 mm 0.377 mm 0.383 mm 208. WESTFORD NG 1983.10.08-17:16:42.216 0.004 mm 0.422 mm 0.429 mm 209. WESTFORD EG 1983.10.08-17:16:42.216 0.014 mm 0.422 mm 0.429 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.80 ps/h NRMS 0.22 share 0.92 count 79 2. WESTFORD Input 50.00 ps/h RMS 12.60 ps/h NRMS 0.25 share 0.90 count 79 Overall RMS 11.74 ps/h NRMS 0.23 share 0.91 count 158 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.96 D-14 NRMS 0.59 share 0.29 count 27 Overall RMS 2.96 D-14 NRMS 0.59 share 0.29 count 27 210. UT1-TAI 1, 1983.10.08-05:57:00.000 -2.5131 ms/d 32.77 micros/d 203.04 micros/d 206.32 micros/d EOP epoch (TDT) MJD: 45615.248289 NUT epoch (TDT) MJD: 45615.221870 211. Nutation DPSI wrt apriori model 1983.10.08-05:56:35.016 -6.779 mas 2685.0 microasec 2728.4 microasec Nutation Dx wrt apriori model 1983.10.08-05:56:35.016 -2.699 mas 1065.0 microasec 1082.2 microasec Nutation DPSI wrt Wahr 1980 model 1983.10.08-05:56:35.016 -12.093 mas 2685.0 microasec 2728.4 microasec 212. Nutation DEPS wrt apriori model 1983.10.08-05:56:35.016 0.557 mas 865.5 microasec 879.5 microasec Nutation Dy wrt apriori model 1983.10.08-05:56:35.016 0.547 mas 869.4 microasec 883.4 microasec Nutation DEPS wrt Wahr 1980 model 1983.10.08-05:56:35.016 1.450 mas 865.5 microasec 879.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1256 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.10.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928030.25 11.47 3134928030.25 11.47 122.06 7.61 126.65 50.22 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:42 Correlator type: Unknown Experiment code: pol135 Mark-3 db_name: $83OCT12X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831012_a Ver 2 pol135 Matrix Condition Number = 1.117748797194259E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.6 3.7 838.2 0.9 45.6 5.8 MOJAVE12 MET 18.9 5.6 908.9 3.2 31.7 6.4 WESTFORD MET 16.2 1.2 1009.6 3.6 90.5 2.2 Run 26091-1741 643 Observation Pairs Available Session started on: 2445620.249300 1983.10.12 17:58:59.520 UTC Nominal duration: 87419.520 sec 01 00:16:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 460 37.054 ps 0.90 1.0084 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 476 Number of potentially good observations with QC 5-9: 476 Number of used observations: 460 ( 96.64%) Number of suppressed observations: 16 ( 3.36%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 200 211 24.582 0.85 19831012_a pol135 1983.10.13-06:07:29.2 BAS_STAT HRAS_085 WESTFORD 131 134 71.937 0.90 19831012_a pol135 1983.10.13-06:07:29.2 BAS_STAT MOJAVE12 WESTFORD 129 131 113.686 0.96 19831012_a pol135 1983.10.13-06:07:29.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 23 23 29 73.475 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 0212+735 J0217+7349 24 25 39 64.890 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 0234+285 J0237+2848 36 36 45 66.142 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 0552+398 J0555+3948 42 42 48 48.887 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 1637+574 J1638+5720 25 28 67 73.110 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 2134+00 J2136+0041 20 22 35 18.561 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 3C273B J1229+0203 29 36 43 21.002 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 3C345 J1642+3948 58 58 60 28.872 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 3C454.3 J2253+1608 26 26 37 28.170 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: 4C39.25 J0927+3902 37 37 54 39.779 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: NRAO150 J0359+5057 42 42 55 46.562 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: OJ287 J0854+2006 37 38 40 32.561 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: OQ208 J1407+2827 35 37 54 73.825 19831012_a pol135 1983.10.13-06:07:29.280 SRC_STAT: VR422201 J2202+4216 26 26 37 40.167 19831012_a pol135 1983.10.13-06:07:29.280 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.10.13-06:06:57 1. HRAS_085 7216 NOAM X Comp -1324211073.17 mm -56.169 mm 4.367 mm 4.385 mm 2. HRAS_085 7216 NOAM Y Comp -5332023089.33 mm -7.333 mm 17.284 mm 17.356 mm 3. HRAS_085 7216 NOAM Z Comp 3232118367.77 mm 60.771 mm 12.611 mm 12.664 mm HRAS_085 7216 U Comp 48.74 mm 48.741 mm 20.784 mm 18.621 mm HRAS_085 7216 E Comp -52.75 mm -52.746 mm 5.442 mm 4.876 mm HRAS_085 7216 N Comp 41.76 mm 41.763 mm 3.908 mm 3.501 mm 4. HRAS_085 CL 0 1983.10.12-17:58:27.336 376.762 ns 0.245 ns 0.246 ns 5. HRAS_085 CL 1 1983.10.12-17:58:27.336 -20.799 D-14 2.069 D-14 2.078 D-14 6. HRAS_085 CL 2 1983.10.12-17:58:27.336 1.151 D-14/day 1.761 D-14/day 1.768 D-14/day 32. HRAS_085 AT 0 1983.10.12-17:58:27.336 9.644 ps 55.027 ps 55.257 ps HRAS_085 Atm 1983.10.13-06:28:59.520 Avg: -2.723 ps Rms: 16.241 ps Tot_Rms: 16.468 ps || Nat: 220 Dura: 87420.0 sec Tzd_avg: 6589.9 Tzd_rms: 26.3 Wzd_avg: 190.3 Wzd_rms: 19.3 ps Prs_avg: 83820. Pa Tem_avg: 8.6 C Stm_avg: -3.7 C Stm_rms: 1.9 K Spr_avg: -419. Spr_rms: 56. Pa 108. HRAS_085 NG 1983.10.12-17:57:27.336 0.058 mm 0.421 mm 0.423 mm 109. HRAS_085 EG 1983.10.12-17:57:27.336 0.010 mm 0.420 mm 0.422 mm 110. HRAS_085 NG 1983.10.13-01:57:27.336 0.070 mm 0.375 mm 0.377 mm 111. HRAS_085 EG 1983.10.13-01:57:27.336 -0.079 mm 0.375 mm 0.377 mm 112. HRAS_085 NG 1983.10.13-09:57:27.336 -0.030 mm 0.376 mm 0.377 mm 113. HRAS_085 EG 1983.10.13-09:57:27.336 -0.002 mm 0.375 mm 0.377 mm 114. HRAS_085 NG 1983.10.13-17:57:27.336 -0.117 mm 0.420 mm 0.422 mm 115. HRAS_085 EG 1983.10.13-17:57:27.336 0.053 mm 0.419 mm 0.421 mm 116. MOJAVE12 7222 NOAM X Comp -2356171083.95 mm 12.052 mm 4.554 mm 4.573 mm 117. MOJAVE12 7222 NOAM Y Comp -4646755856.98 mm -24.978 mm 12.153 mm 12.203 mm 118. MOJAVE12 7222 NOAM Z Comp 3668470589.76 mm 8.763 mm 10.398 mm 10.441 mm MOJAVE12 7222 U Comp 18.80 mm 18.796 mm 14.518 mm 13.007 mm MOJAVE12 7222 E Comp 22.05 mm 22.045 mm 7.055 mm 6.321 mm MOJAVE12 7222 N Comp -2.58 mm -2.582 mm 4.000 mm 3.583 mm 119. MOJAVE12 CL 0 1983.10.12-17:58:27.336 -1762.680 ns 0.230 ns 0.231 ns 120. MOJAVE12 CL 1 1983.10.12-17:58:27.336 -342.389 D-14 2.086 D-14 2.095 D-14 121. MOJAVE12 CL 2 1983.10.12-17:58:27.336 -4.368 D-14/day 1.761 D-14/day 1.769 D-14/day 147. MOJAVE12 AT 0 1983.10.12-17:58:27.336 -43.989 ps 49.443 ps 49.649 ps MOJAVE12 Atm 1983.10.13-06:28:59.520 Avg: -21.342 ps Rms: 48.637 ps Tot_Rms: 53.114 ps || Nat: 215 Dura: 87420.0 sec Tzd_avg: 7119.4 Tzd_rms: 60.1 Wzd_avg: 226.7 Wzd_rms: 41.0 ps Prs_avg: 90894. Pa Tem_avg: 18.9 C Stm_avg: -3.4 C Stm_rms: 5.1 K Spr_avg: 101. Spr_rms: 53. Pa 223. MOJAVE12 NG 1983.10.12-17:57:27.336 -0.038 mm 0.421 mm 0.423 mm 224. MOJAVE12 EG 1983.10.12-17:57:27.336 -0.025 mm 0.420 mm 0.422 mm 225. MOJAVE12 NG 1983.10.13-01:57:27.336 -0.035 mm 0.376 mm 0.377 mm 226. MOJAVE12 EG 1983.10.13-01:57:27.336 0.061 mm 0.375 mm 0.377 mm 227. MOJAVE12 NG 1983.10.13-09:57:27.336 0.037 mm 0.376 mm 0.377 mm 228. MOJAVE12 EG 1983.10.13-09:57:27.336 0.025 mm 0.375 mm 0.377 mm 229. MOJAVE12 NG 1983.10.13-17:57:27.336 0.084 mm 0.421 mm 0.422 mm 230. MOJAVE12 EG 1983.10.13-17:57:27.336 -0.045 mm 0.420 mm 0.422 mm 231. WESTFORD 7209 NOAM X Comp 1492206587.12 mm 44.117 mm 6.916 mm 6.945 mm 232. WESTFORD 7209 NOAM Y Comp -4458130489.69 mm 32.311 mm 24.330 mm 24.432 mm 233. WESTFORD 7209 NOAM Z Comp 4296015477.47 mm -69.535 mm 20.518 mm 20.604 mm WESTFORD 7209 U Comp -59.32 mm -59.322 mm 31.173 mm 27.930 mm WESTFORD 7209 E Comp 52.09 mm 52.092 mm 8.113 mm 7.269 mm WESTFORD 7209 N Comp -39.91 mm -39.910 mm 4.816 mm 4.315 mm 234. WESTFORD AT 0 1983.10.12-17:58:27.336 100.119 ps 64.092 ps 64.360 ps WESTFORD Atm 1983.10.13-06:28:59.520 Avg: 20.448 ps Rms: 49.268 ps Tot_Rms: 53.343 ps || Nat: 220 Dura: 87420.0 sec Tzd_avg: 8527.5 Tzd_rms: 72.4 Wzd_avg: 903.5 Wzd_rms: 97.2 ps Prs_avg: 100954. Pa Tem_avg: 16.2 C Stm_avg: -0.7 C Stm_rms: 1.5 K Spr_avg: 143. Spr_rms: 54. Pa 310. WESTFORD NG 1983.10.12-17:57:27.336 -0.020 mm 0.422 mm 0.424 mm 311. WESTFORD EG 1983.10.12-17:57:27.336 0.017 mm 0.422 mm 0.424 mm 312. WESTFORD NG 1983.10.13-01:57:27.336 -0.001 mm 0.377 mm 0.379 mm 313. WESTFORD EG 1983.10.13-01:57:27.336 0.010 mm 0.377 mm 0.378 mm 314. WESTFORD NG 1983.10.13-09:57:27.336 0.024 mm 0.377 mm 0.379 mm 315. WESTFORD EG 1983.10.13-09:57:27.336 -0.042 mm 0.377 mm 0.378 mm 316. WESTFORD NG 1983.10.13-17:57:27.336 0.022 mm 0.422 mm 0.424 mm 317. WESTFORD EG 1983.10.13-17:57:27.336 -0.003 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 20.69 ps/h NRMS 0.41 share 0.79 count 76 2. MOJAVE12 Input 50.00 ps/h RMS 24.55 ps/h NRMS 0.49 share 0.76 count 76 3. WESTFORD Input 50.00 ps/h RMS 14.63 ps/h NRMS 0.29 share 0.90 count 76 Overall RMS 20.37 ps/h NRMS 0.41 share 0.82 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.23 mm/d NRMS 0.11 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.17 mm/d NRMS 0.09 share 0.53 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.28 D-14 NRMS 0.46 share 0.24 count 26 2. MOJAVE12 Input 5.00 D-14 RMS 2.00 D-14 NRMS 0.40 share 0.24 count 26 Overall RMS 2.14 D-14 NRMS 0.43 share 0.24 count 52 318. UT1-TAI 1, 1983.10.13-06:07:00.000 -1.5507 ms/d 159.16 micros/d 127.57 micros/d 128.11 micros/d EOP epoch (TDT) MJD: 45620.255234 NUT epoch (TDT) MJD: 45620.268760 319. Nutation DPSI wrt apriori model 1983.10.13-06:06:57.096 -1.482 mas 1572.2 microasec 1578.8 microasec Nutation Dx wrt apriori model 1983.10.13-06:06:57.096 -0.586 mas 623.8 microasec 626.4 microasec Nutation DPSI wrt Wahr 1980 model 1983.10.13-06:06:57.096 -6.368 mas 1572.2 microasec 1578.8 microasec 320. Nutation DEPS wrt apriori model 1983.10.13-06:06:57.096 -0.860 mas 451.9 microasec 453.8 microasec Nutation Dy wrt apriori model 1983.10.13-06:06:57.096 -0.863 mas 454.2 microasec 456.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.10.13-06:06:57.096 -0.185 mas 451.9 microasec 453.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0485 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.10.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368152.96 3.97 1313368152.96 3.97 -8.67 2.75 34.36 20.56 HRAS_085 7216 to WESTFORD 7209 3134928033.13 10.99 3134928033.13 10.99 115.78 6.95 109.38 51.28 MOJAVE12 7222 to WESTFORD 7209 3903767771.58 12.39 3903767771.58 12.39 24.82 7.35 96.69 44.61 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:45 Correlator type: Unknown Experiment code: pol137 Mark-3 db_name: $83OCT22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831022_a Ver 2 pol137 Matrix Condition Number = 4.502503841034038E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.0 5.8 837.5 1.0 36.5 3.2 WESTFORD MET 5.6 2.6 1012.8 3.0 18.8 5.0 Run 26091-1741 217 Observation Pairs Available Session started on: 2445630.263900 1983.10.22 18:20:00.960 UTC Nominal duration: 95040.000 sec 01 02:24:00.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 190 44.591 ps 0.87 1.0472 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 194 Number of potentially good observations with QC 5-9: 194 Number of used observations: 190 ( 97.94%) Number of suppressed observations: 4 ( 2.06%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 190 194 44.591 0.87 19831022_a pol137 1983.10.23-07:32:00.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 8 40.577 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 0212+735 J0217+7349 10 10 11 84.060 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 0234+285 J0237+2848 9 10 10 54.571 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 0552+398 J0555+3948 13 13 14 53.347 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 1637+574 J1638+5720 23 23 28 133.762 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 2134+00 J2136+0041 10 10 13 58.074 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 3C273B J1229+0203 18 19 19 14.133 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 3C345 J1642+3948 24 24 24 25.575 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 3C454.3 J2253+1608 10 10 11 38.850 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: 4C39.25 J0927+3902 10 10 18 43.430 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: NRAO150 J0359+5057 13 13 15 78.479 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: OJ287 J0854+2006 12 13 13 24.101 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: OQ208 J1407+2827 21 21 22 100.949 19831022_a pol137 1983.10.23-07:32:00.960 SRC_STAT: VR422201 J2202+4216 9 10 11 83.853 19831022_a pol137 1983.10.23-07:32:00.960 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.10.23-07:31:28 1. HRAS_085 7216 NOAM X Comp -1324211078.74 mm -61.737 mm 3.769 mm 3.857 mm 2. HRAS_085 7216 NOAM Y Comp -5332023131.75 mm -49.746 mm 13.705 mm 14.025 mm 3. HRAS_085 7216 NOAM Z Comp 3232118416.90 mm 109.903 mm 9.952 mm 10.184 mm HRAS_085 7216 U Comp 110.35 mm 110.349 mm 16.715 mm 14.466 mm HRAS_085 7216 E Comp -47.93 mm -47.926 mm 3.321 mm 2.874 mm HRAS_085 7216 N Comp 62.38 mm 62.377 mm 3.262 mm 2.823 mm 4. HRAS_085 CL 0 1983.10.22-18:19:28.776 241.795 ns 0.183 ns 0.187 ns 5. HRAS_085 CL 1 1983.10.22-18:19:28.776 -10.882 D-14 2.584 D-14 2.644 D-14 6. HRAS_085 CL 2 1983.10.22-18:19:28.776 3.573 D-14/day 3.376 D-14/day 3.455 D-14/day 7. HRAS_085 BR 0 1983.10.23-10:18:55.632 -1.520 ns 0.093 ns 0.095 ns 8. HRAS_085 BR 1 1983.10.23-10:18:55.632 3.621 D-14 4.822 D-14 4.935 D-14 9. HRAS_085 BR 2 1983.10.23-10:18:55.632 1.045 D-14/day 12.395 D-14/day 12.685 D-14/day 10. HRAS_085 BR 0 1983.10.23-17:08:55.632 -0.647 ns 0.068 ns 0.070 ns 11. HRAS_085 BR 1 1983.10.23-17:08:55.632 -6.562 D-14 6.726 D-14 6.883 D-14 12. HRAS_085 BR 2 1983.10.23-17:08:55.632 1.941 D-14/day 32.769 D-14/day 33.534 D-14/day 40. HRAS_085 AT 0 1983.10.22-18:19:28.776 -83.782 ps 70.371 ps 72.014 ps HRAS_085 Atm 1983.10.23-07:50:00.960 Avg: -103.348 ps Rms: 45.625 ps Tot_Rms: 112.971 ps || Nat: 217 Dura: 95040.0 sec Tzd_avg: 6638.5 Tzd_rms: 32.1 Wzd_avg: 243.6 Wzd_rms: 38.1 ps Prs_avg: 83750. Pa Tem_avg: 13.0 C Stm_avg: -4.8 C Stm_rms: 4.0 K Spr_avg: -451. Spr_rms: 80. Pa 122. HRAS_085 NG 1983.10.22-18:18:28.776 0.004 mm 0.422 mm 0.432 mm 123. HRAS_085 EG 1983.10.22-18:18:28.776 0.003 mm 0.422 mm 0.432 mm 124. HRAS_085 NG 1983.10.23-02:18:28.776 0.001 mm 0.377 mm 0.386 mm 125. HRAS_085 EG 1983.10.23-02:18:28.776 -0.016 mm 0.377 mm 0.386 mm 126. HRAS_085 NG 1983.10.23-10:18:28.776 -0.003 mm 0.377 mm 0.386 mm 127. HRAS_085 EG 1983.10.23-10:18:28.776 -0.005 mm 0.377 mm 0.386 mm 128. HRAS_085 NG 1983.10.23-18:18:28.776 -0.021 mm 0.422 mm 0.432 mm 129. HRAS_085 EG 1983.10.23-18:18:28.776 -0.036 mm 0.422 mm 0.432 mm 130. WESTFORD 7209 NOAM X Comp 1492206604.74 mm 61.737 mm 3.769 mm 3.857 mm 131. WESTFORD 7209 NOAM Y Comp -4458130472.25 mm 49.746 mm 13.705 mm 14.025 mm 132. WESTFORD 7209 NOAM Z Comp 4296015437.10 mm -109.903 mm 9.952 mm 10.184 mm WESTFORD 7209 U Comp -94.70 mm -94.705 mm 15.625 mm 13.523 mm WESTFORD 7209 E Comp 74.33 mm 74.334 mm 6.983 mm 6.043 mm WESTFORD 7209 N Comp -62.21 mm -62.211 mm 2.856 mm 2.472 mm 133. WESTFORD AT 0 1983.10.22-18:19:28.776 -55.166 ps 35.841 ps 36.678 ps WESTFORD Atm 1983.10.23-07:50:00.960 Avg: 1.690 ps Rms: 29.458 ps Tot_Rms: 29.506 ps || Nat: 217 Dura: 95040.0 sec Tzd_avg: 7854.0 Tzd_rms: 79.0 Wzd_avg: 181.4 Wzd_rms: 102.3 ps Prs_avg: 101284. Pa Tem_avg: 5.6 C Stm_avg: -1.0 C Stm_rms: 0.9 K Spr_avg: 158. Spr_rms: 31. Pa 215. WESTFORD NG 1983.10.22-18:18:28.776 -0.011 mm 0.422 mm 0.432 mm 216. WESTFORD EG 1983.10.22-18:18:28.776 -0.037 mm 0.422 mm 0.432 mm 217. WESTFORD NG 1983.10.23-02:18:28.776 -0.019 mm 0.377 mm 0.386 mm 218. WESTFORD EG 1983.10.23-02:18:28.776 -0.009 mm 0.377 mm 0.386 mm 219. WESTFORD NG 1983.10.23-10:18:28.776 -0.009 mm 0.377 mm 0.386 mm 220. WESTFORD EG 1983.10.23-10:18:28.776 -0.001 mm 0.377 mm 0.386 mm 221. WESTFORD NG 1983.10.23-18:18:28.776 -0.013 mm 0.422 mm 0.432 mm 222. WESTFORD EG 1983.10.23-18:18:28.776 -0.005 mm 0.422 mm 0.431 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.73 ps/h NRMS 0.25 share 0.90 count 82 2. WESTFORD Input 50.00 ps/h RMS 18.45 ps/h NRMS 0.37 share 0.81 count 82 Overall RMS 15.85 ps/h NRMS 0.32 share 0.86 count 164 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.32 D-14 NRMS 0.46 share 0.40 count 28 Overall RMS 2.32 D-14 NRMS 0.46 share 0.40 count 28 223. UT1-TAI 1, 1983.10.23-07:32:00.000 -2.1818 ms/d 27.58 micros/d 141.34 micros/d 144.64 micros/d EOP epoch (TDT) MJD: 45630.314261 NUT epoch (TDT) MJD: 45630.321663 224. Nutation DPSI wrt apriori model 1983.10.23-07:31:28.776 -4.293 mas 1801.3 microasec 1843.4 microasec Nutation Dx wrt apriori model 1983.10.23-07:31:28.776 -1.711 mas 714.2 microasec 730.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.10.23-07:31:28.776 -8.037 mas 1801.3 microasec 1843.4 microasec 225. Nutation DEPS wrt apriori model 1983.10.23-07:31:28.776 0.963 mas 665.9 microasec 681.4 microasec Nutation Dy wrt apriori model 1983.10.23-07:31:28.776 0.957 mas 668.5 microasec 684.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.10.23-07:31:28.776 2.540 mas 665.9 microasec 681.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1340 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.10.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928040.27 8.39 3134928040.27 8.39 157.54 4.94 211.04 33.31 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:48 Correlator type: Unknown Experiment code: pol138 Mark-3 db_name: $83OCT27X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831027_a Ver 2 pol138 Matrix Condition Number = 3.119735156939821E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 11.9 2.6 839.6 0.6 31.7 9.6 MOJAVE12 MET 17.1 5.2 912.2 1.6 42.5 3.0 ONSALA60 MET 8.1 1.6 1003.9 3.9 99.0 28.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 5.5 2.3 1001.0 2.1 23.3 0.5 Run 26091-1741 672 Observation Pairs Available Session started on: 2445635.256700 1983.10.27 18:09:38.880 UTC Nominal duration: 85475.520 sec 00 23:44:35.520 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 436 42.327 ps 0.85 0.9834 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 438 Number of potentially good observations with QC 5-9: 438 Number of used observations: 436 ( 99.54%) Number of suppressed observations: 2 ( 0.46%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 117 117 26.865 0.82 19831027_a pol138 1983.10.28-06:01:56.6 BAS_STAT HRAS_085 ONSALA60 17 17 52.586 0.80 19831027_a pol138 1983.10.28-06:01:56.6 BAS_STAT HRAS_085 WESTFORD 132 132 56.103 0.89 19831027_a pol138 1983.10.28-06:01:56.6 BAS_STAT MOJAVE12 ONSALA60 24 25 36.649 0.55 19831027_a pol138 1983.10.28-06:01:56.6 BAS_STAT MOJAVE12 WESTFORD 111 112 63.487 0.90 19831027_a pol138 1983.10.28-06:01:56.6 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 35 35 86.413 0.85 19831027_a pol138 1983.10.28-06:01:56.6 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19831027_a pol138 MOJAVE12 ONSALA85 0/ 0 deselected baseline 19831027_a pol138 ONSALA85 WESTFORD 0/ 0 deselected baseline 19831027_a pol138 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 27 27 33 47.632 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 0212+735 J0217+7349 47 47 72 67.746 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 0234+285 J0237+2848 37 37 53 43.342 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 0552+398 J0555+3948 39 39 54 38.414 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 1637+574 J1638+5720 34 34 62 82.964 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 2134+00 J2136+0041 21 21 31 41.585 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 3C273B J1229+0203 25 25 26 25.220 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 3C345 J1642+3948 45 45 55 25.649 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 3C454.3 J2253+1608 19 20 43 30.602 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: 4C39.25 J0927+3902 21 22 40 49.583 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: NRAO150 J0359+5057 33 33 68 43.209 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: OJ287 J0854+2006 31 31 35 40.726 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: OQ208 J1407+2827 35 35 51 80.000 19831027_a pol138 1983.10.28-06:01:56.640 SRC_STAT: VR422201 J2202+4216 22 22 49 40.693 19831027_a pol138 1983.10.28-06:01:56.640 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.10.28-06:01:24 1. HRAS_085 7216 NOAM X Comp -1324211085.70 mm -68.701 mm 8.836 mm 8.762 mm 2. HRAS_085 7216 NOAM Y Comp -5332023038.96 mm 43.037 mm 15.828 mm 15.696 mm 3. HRAS_085 7216 NOAM Z Comp 3232118446.79 mm 139.787 mm 16.528 mm 16.390 mm HRAS_085 7216 U Comp 49.54 mm 49.544 mm 19.707 mm 16.796 mm HRAS_085 7216 E Comp -77.05 mm -77.048 mm 8.056 mm 6.866 mm HRAS_085 7216 N Comp 133.12 mm 133.121 mm 12.184 mm 10.384 mm 4. HRAS_085 CL 0 1983.10.27-18:09:06.696 193.494 ns 0.165 ns 0.164 ns 5. HRAS_085 CL 1 1983.10.27-18:09:06.696 -6.810 D-14 2.091 D-14 2.074 D-14 6. HRAS_085 CL 2 1983.10.27-18:09:06.696 3.556 D-14/day 1.814 D-14/day 1.799 D-14/day 31. HRAS_085 AT 0 1983.10.27-18:09:06.696 -58.825 ps 54.722 ps 54.266 ps HRAS_085 Atm 1983.10.28-06:09:38.880 Avg: -25.648 ps Rms: 14.871 ps Tot_Rms: 29.647 ps || Nat: 153 Dura: 85140.0 sec Tzd_avg: 6827.3 Tzd_rms: 30.5 Wzd_avg: 425.4 Wzd_rms: 29.6 ps Prs_avg: 83960. Pa Tem_avg: 12.1 C Stm_avg: -1.3 C Stm_rms: 2.0 K Spr_avg: -412. Spr_rms: 55. Pa 104. HRAS_085 NG 1983.10.27-18:08:06.696 -0.023 mm 0.421 mm 0.418 mm 105. HRAS_085 EG 1983.10.27-18:08:06.696 -0.107 mm 0.420 mm 0.417 mm 106. HRAS_085 NG 1983.10.28-02:08:06.696 0.042 mm 0.376 mm 0.373 mm 107. HRAS_085 EG 1983.10.28-02:08:06.696 -0.073 mm 0.375 mm 0.372 mm 108. HRAS_085 NG 1983.10.28-10:08:06.696 -0.019 mm 0.376 mm 0.373 mm 109. HRAS_085 EG 1983.10.28-10:08:06.696 0.051 mm 0.375 mm 0.372 mm 110. HRAS_085 NG 1983.10.28-18:08:06.696 -0.019 mm 0.421 mm 0.417 mm 111. HRAS_085 EG 1983.10.28-18:08:06.696 0.085 mm 0.420 mm 0.416 mm 112. MOJAVE12 7222 NOAM X Comp -2356171103.17 mm -7.173 mm 9.317 mm 9.239 mm 113. MOJAVE12 7222 NOAM Y Comp -4646755821.60 mm 10.395 mm 12.416 mm 12.313 mm 114. MOJAVE12 7222 NOAM Z Comp 3668470667.65 mm 86.650 mm 16.241 mm 16.106 mm MOJAVE12 7222 U Comp 45.19 mm 45.193 mm 16.795 mm 14.314 mm MOJAVE12 7222 E Comp -11.10 mm -11.099 mm 8.024 mm 6.839 mm MOJAVE12 7222 N Comp 74.18 mm 74.176 mm 12.580 mm 10.721 mm 115. MOJAVE12 CL 0 1983.10.27-18:09:06.696 -6559.229 ns 0.174 ns 0.173 ns 116. MOJAVE12 CL 1 1983.10.27-18:09:06.696 -459.722 D-14 2.102 D-14 2.084 D-14 117. MOJAVE12 CL 2 1983.10.27-18:09:06.696 -0.163 D-14/day 1.817 D-14/day 1.802 D-14/day 142. MOJAVE12 AT 0 1983.10.27-18:09:06.696 -159.695 ps 51.350 ps 50.922 ps MOJAVE12 Atm 1983.10.28-06:09:38.880 Avg: -78.888 ps Rms: 31.046 ps Tot_Rms: 84.777 ps || Nat: 140 Dura: 85470.0 sec Tzd_avg: 7267.7 Tzd_rms: 617.2 Wzd_avg: 411.2 Wzd_rms: 41.2 ps Prs_avg: 91217. Pa Tem_avg: 17.4 C Stm_avg: -3.9 C Stm_rms: 4.3 K Spr_avg: 169. Spr_rms: 54. Pa 215. MOJAVE12 NG 1983.10.27-18:08:06.696 0.025 mm 0.422 mm 0.418 mm 216. MOJAVE12 EG 1983.10.27-18:08:06.696 0.074 mm 0.421 mm 0.417 mm 217. MOJAVE12 NG 1983.10.28-02:08:06.696 -0.044 mm 0.376 mm 0.373 mm 218. MOJAVE12 EG 1983.10.28-02:08:06.696 0.041 mm 0.376 mm 0.373 mm 219. MOJAVE12 NG 1983.10.28-10:08:06.696 0.004 mm 0.376 mm 0.373 mm 220. MOJAVE12 EG 1983.10.28-10:08:06.696 -0.047 mm 0.375 mm 0.372 mm 221. MOJAVE12 NG 1983.10.28-18:08:06.696 0.036 mm 0.421 mm 0.417 mm 222. MOJAVE12 EG 1983.10.28-18:08:06.696 -0.067 mm 0.420 mm 0.417 mm 223. ONSALA60 7213 EURA X Comp 3370606040.88 mm 51.880 mm 23.468 mm 23.272 mm 224. ONSALA60 7213 EURA Y Comp 711917334.81 mm -194.193 mm 15.611 mm 15.481 mm 225. ONSALA60 7213 EURA Z Comp 5349830605.00 mm -160.996 mm 40.749 mm 40.410 mm ONSALA60 7213 U Comp -129.90 mm -129.898 mm 44.986 mm 38.340 mm ONSALA60 7213 E Comp -200.72 mm -200.723 mm 16.096 mm 13.718 mm ONSALA60 7213 N Comp -95.70 mm -95.704 mm 13.120 mm 11.181 mm 226. ONSALA60 CL 0 1983.10.27-18:09:06.696 -551.959 ns 0.376 ns 0.373 ns 227. ONSALA60 CL 1 1983.10.27-18:09:06.696 -35.848 D-14 2.403 D-14 2.383 D-14 228. ONSALA60 CL 2 1983.10.27-18:09:06.696 5.797 D-14/day 2.063 D-14/day 2.046 D-14/day 253. ONSALA60 AT 0 1983.10.27-18:09:06.696 -15.231 ps 96.196 ps 95.395 ps ONSALA60 Atm 1983.10.28-06:09:38.880 Avg: -3.761 ps Rms: 7.832 ps Tot_Rms: 8.688 ps || Nat: 58 Dura: 79870.0 sec Tzd_avg: 7851.5 Tzd_rms: 61.7 Wzd_avg: 262.7 Wzd_rms: 75.2 ps Prs_avg: 100401. Pa Tem_avg: 8.1 C Stm_avg: 0.1 C Stm_rms: 1.4 K Spr_avg: 203. Spr_rms: 20. Pa 326. ONSALA60 NG 1983.10.27-18:08:06.696 0.005 mm 0.422 mm 0.419 mm 327. ONSALA60 EG 1983.10.27-18:08:06.696 -0.003 mm 0.422 mm 0.419 mm 328. ONSALA60 NG 1983.10.28-02:08:06.696 -0.007 mm 0.377 mm 0.374 mm 329. ONSALA60 EG 1983.10.28-02:08:06.696 -0.005 mm 0.377 mm 0.374 mm 330. ONSALA60 NG 1983.10.28-10:08:06.696 -0.001 mm 0.377 mm 0.374 mm 331. ONSALA60 EG 1983.10.28-10:08:06.696 0.000 mm 0.377 mm 0.374 mm 332. ONSALA60 NG 1983.10.28-18:08:06.696 0.001 mm 0.422 mm 0.419 mm 333. ONSALA60 EG 1983.10.28-18:08:06.696 0.002 mm 0.422 mm 0.419 mm 334. WESTFORD 7209 NOAM X Comp 1492206566.99 mm 23.994 mm 8.702 mm 8.629 mm 335. WESTFORD 7209 NOAM Y Comp -4458130381.24 mm 140.761 mm 14.370 mm 14.251 mm 336. WESTFORD 7209 NOAM Z Comp 4296015481.56 mm -65.440 mm 18.163 mm 18.012 mm WESTFORD 7209 U Comp -136.94 mm -136.936 mm 21.270 mm 18.127 mm WESTFORD 7209 E Comp 67.43 mm 67.432 mm 9.186 mm 7.829 mm WESTFORD 7209 N Comp 37.06 mm 37.057 mm 8.680 mm 7.397 mm 337. WESTFORD AT 0 1983.10.27-18:09:06.696 5.231 ps 34.747 ps 34.458 ps WESTFORD Atm 1983.10.28-06:09:38.880 Avg: 19.512 ps Rms: 27.045 ps Tot_Rms: 33.349 ps || Nat: 175 Dura: 85470.0 sec Tzd_avg: 7836.0 Tzd_rms: 61.1 Wzd_avg: 261.0 Wzd_rms: 67.0 ps Prs_avg: 100078. Pa Tem_avg: 5.7 C Stm_avg: -0.2 C Stm_rms: 1.7 K Spr_avg: 199. Spr_rms: 28. Pa 410. WESTFORD NG 1983.10.27-18:08:06.696 0.022 mm 0.422 mm 0.418 mm 411. WESTFORD EG 1983.10.27-18:08:06.696 0.062 mm 0.422 mm 0.418 mm 412. WESTFORD NG 1983.10.28-02:08:06.696 0.018 mm 0.377 mm 0.373 mm 413. WESTFORD EG 1983.10.28-02:08:06.696 0.048 mm 0.377 mm 0.373 mm 414. WESTFORD NG 1983.10.28-10:08:06.696 0.009 mm 0.377 mm 0.374 mm 415. WESTFORD EG 1983.10.28-10:08:06.696 -0.010 mm 0.376 mm 0.373 mm 416. WESTFORD NG 1983.10.28-18:08:06.696 -0.013 mm 0.422 mm 0.418 mm 417. WESTFORD EG 1983.10.28-18:08:06.696 -0.023 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 17.28 ps/h NRMS 0.35 share 0.83 count 73 2. MOJAVE12 Input 50.00 ps/h RMS 13.28 ps/h NRMS 0.27 share 0.81 count 73 3. ONSALA60 Input 50.00 ps/h RMS 6.21 ps/h NRMS 0.12 share 0.94 count 73 5. WESTFORD Input 50.00 ps/h RMS 21.02 ps/h NRMS 0.42 share 0.79 count 73 Overall RMS 15.45 ps/h NRMS 0.31 share 0.85 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.53 count 8 3. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 5. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.13 mm/d NRMS 0.07 share 0.53 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.12 D-14 NRMS 0.42 share 0.20 count 25 2. MOJAVE12 Input 5.00 D-14 RMS 2.22 D-14 NRMS 0.44 share 0.21 count 25 3. ONSALA60 Input 5.00 D-14 RMS 2.07 D-14 NRMS 0.41 share 0.56 count 25 Overall RMS 2.14 D-14 NRMS 0.43 share 0.33 count 75 418. UT1-TAI 1, 1983.10.28-06:01:00.000 -2.0352 ms/d 24.05 micros/d 104.94 micros/d 104.06 micros/d EOP epoch (TDT) MJD: 45635.251067 NUT epoch (TDT) MJD: 45635.272320 419. Nutation DPSI wrt apriori model 1983.10.28-06:01:24.456 -2.958 mas 1286.6 microasec 1275.9 microasec Nutation Dx wrt apriori model 1983.10.28-06:01:24.456 -1.178 mas 510.2 microasec 506.0 microasec Nutation DPSI wrt Wahr 1980 model 1983.10.28-06:01:24.456 -6.078 mas 1286.6 microasec 1275.9 microasec 420. Nutation DEPS wrt apriori model 1983.10.28-06:01:24.456 0.258 mas 439.3 microasec 435.7 microasec Nutation Dy wrt apriori model 1983.10.28-06:01:24.456 0.253 mas 441.2 microasec 437.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.10.28-06:01:24.456 1.872 mas 439.3 microasec 435.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0407 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.10.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368150.02 4.18 1313368150.02 4.18 -18.16 3.38 21.24 24.55 HRAS_085 7216 to ONSALA60 7213 7940732200.42 36.09 7940732200.42 36.09 331.41 11.03 124.70 58.16 HRAS_085 7216 to WESTFORD 7209 3134928017.07 7.73 3134928017.07 7.73 134.55 4.69 201.21 32.57 MOJAVE12 7222 to ONSALA60 7213 8021117484.11 35.49 8021117484.11 35.49 256.97 12.13 138.55 56.81 MOJAVE12 7222 to WESTFORD 7209 3903767762.36 7.82 3903767762.36 7.82 30.90 5.02 199.96 28.99 ONSALA60 7213 to WESTFORD 7209 5600741404.86 24.84 5600741404.86 24.84 139.42 11.93 40.65 61.59 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:51 Correlator type: Unknown Experiment code: xal834 Mark-3 db_name: $83OCT28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831028_a Ver 2 xal834 Matrix Condition Number = 1.141759792899121E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 11.4 2.4 995.4 5.5 28.4 1.7 ONSALA60 MET 3.6 3.7 1023.4 2.3 51.3 3.2 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1741 400 Observation Pairs Available Session started on: 2445636.292500 1983.10.28 19:01:12.000 UTC Nominal duration: 89786.880 sec 01 00:56:26.880 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 161 40.219 ps 0.81 1.0297 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 166 Number of potentially good observations with QC 5-9: 166 Number of used observations: 161 ( 96.99%) Number of suppressed observations: 5 ( 3.01%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 161 166 40.219 0.81 19831028_a xal834 1983.10.29-07:29:25.4 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19831028_a xal834 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 22 50.169 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 0212+735 J0217+7349 28 28 57 80.413 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 0528+134 J0530+1331 9 9 19 33.329 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 0552+398 J0555+3948 14 14 40 31.058 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 2216-038 J2218-0335 11 11 22 15.898 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 3C273B J1229+0203 10 11 22 27.488 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 3C345 J1642+3948 19 19 54 16.125 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 3C454.3 J2253+1608 5 6 30 80.944 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: 4C39.25 J0927+3902 17 19 38 73.774 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: OJ287 J0854+2006 9 9 22 20.441 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: OQ208 J1407+2827 14 15 33 74.301 19831028_a xal834 1983.10.29-07:29:25.440 SRC_STAT: VR422201 J2202+4216 15 15 41 47.602 19831028_a xal834 1983.10.29-07:29:25.440 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.10.29-07:28:53 1. HAYSTACK 7205 NOAM X Comp 1492404667.12 mm -28.875 mm 7.468 mm 7.578 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266388.21 mm 146.794 mm 6.661 mm 6.759 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881832.53 mm 38.532 mm 12.075 mm 12.253 mm HAYSTACK 7205 U Comp -83.08 mm -83.079 mm 13.175 mm 10.634 mm HAYSTACK 7205 E Comp 19.23 mm 19.226 mm 6.275 mm 5.065 mm HAYSTACK 7205 N Comp 128.82 mm 128.823 mm 5.745 mm 4.637 mm 4. HAYSTACK AT 0 1983.10.28-19:00:39.816 7.918 ps 28.569 ps 28.990 ps HAYSTACK Atm 1983.10.29-07:31:12.000 Avg: -9.259 ps Rms: 25.644 ps Tot_Rms: 27.264 ps || Nat: 203 Dura: 89788.0 sec Tzd_avg: 7762.0 Tzd_rms: 43.0 Wzd_avg: 255.6 Wzd_rms: 79.5 ps Prs_avg: 99550. Pa Tem_avg: 11.3 C Stm_avg: -0.7 C Stm_rms: 0.6 K Spr_avg: 577. Spr_rms: 47. Pa 80. HAYSTACK NG 1983.10.28-18:59:39.816 -0.002 mm 0.422 mm 0.428 mm 81. HAYSTACK EG 1983.10.28-18:59:39.816 -0.014 mm 0.422 mm 0.428 mm 82. HAYSTACK NG 1983.10.29-02:59:39.816 -0.006 mm 0.377 mm 0.382 mm 83. HAYSTACK EG 1983.10.29-02:59:39.816 -0.022 mm 0.377 mm 0.382 mm 84. HAYSTACK NG 1983.10.29-10:59:39.816 -0.003 mm 0.377 mm 0.382 mm 85. HAYSTACK EG 1983.10.29-10:59:39.816 -0.009 mm 0.377 mm 0.382 mm 86. HAYSTACK NG 1983.10.29-18:59:39.816 0.009 mm 0.422 mm 0.428 mm 87. HAYSTACK EG 1983.10.29-18:59:39.816 -0.002 mm 0.422 mm 0.428 mm 88. ONSALA60 7213 EURA X Comp 3370606017.88 mm 28.875 mm 7.468 mm 7.578 mm 89. ONSALA60 7213 EURA Y Comp 711917382.21 mm -146.794 mm 6.661 mm 6.759 mm 90. ONSALA60 7213 EURA Z Comp 5349830727.47 mm -38.532 mm 12.075 mm 12.253 mm ONSALA60 7213 U Comp -33.58 mm -33.583 mm 13.518 mm 10.911 mm ONSALA60 7213 E Comp -149.59 mm -149.593 mm 7.422 mm 5.991 mm ONSALA60 7213 N Comp -19.01 mm -19.007 mm 2.850 mm 2.300 mm 91. ONSALA60 CL 0 1983.10.28-19:00:39.816 -8671.227 ns 0.155 ns 0.157 ns 92. ONSALA60 CL 1 1983.10.28-19:00:39.816 -29.042 D-14 3.503 D-14 3.555 D-14 93. ONSALA60 CL 2 1983.10.28-19:00:39.816 -2.710 D-14/day 8.194 D-14/day 8.315 D-14/day 94. ONSALA60 BR 0 1983.10.29-03:48:55.632 0.812 ns 0.083 ns 0.084 ns 95. ONSALA60 BR 1 1983.10.29-03:48:55.632 4.511 D-14 4.996 D-14 5.069 D-14 96. ONSALA60 BR 2 1983.10.29-03:48:55.632 -15.922 D-14/day 11.655 D-14/day 11.827 D-14/day 97. ONSALA60 BR 0 1983.10.29-13:48:55.632 -2.934 ns 0.223 ns 0.226 ns 98. ONSALA60 BR 1 1983.10.29-13:48:55.632 12.318 D-14 5.886 D-14 5.973 D-14 99. ONSALA60 BR 2 1983.10.29-13:48:55.632 16.057 D-14/day 16.159 D-14/day 16.397 D-14/day 125. ONSALA60 AT 0 1983.10.28-19:00:39.816 -54.167 ps 44.862 ps 45.523 ps ONSALA60 Atm 1983.10.29-07:31:12.000 Avg: -12.452 ps Rms: 21.362 ps Tot_Rms: 24.726 ps || Nat: 198 Dura: 89788.0 sec Tzd_avg: 7884.6 Tzd_rms: 40.7 Wzd_avg: 145.1 Wzd_rms: 32.4 ps Prs_avg: 102336. Pa Tem_avg: 3.6 C Stm_avg: -1.4 C Stm_rms: 1.8 K Spr_avg: 202. Spr_rms: 36. Pa 201. ONSALA60 NG 1983.10.28-18:59:39.816 0.004 mm 0.422 mm 0.428 mm 202. ONSALA60 EG 1983.10.28-18:59:39.816 0.008 mm 0.422 mm 0.428 mm 203. ONSALA60 NG 1983.10.29-02:59:39.816 0.002 mm 0.376 mm 0.382 mm 204. ONSALA60 EG 1983.10.29-02:59:39.816 0.008 mm 0.377 mm 0.382 mm 205. ONSALA60 NG 1983.10.29-10:59:39.816 0.007 mm 0.377 mm 0.382 mm 206. ONSALA60 EG 1983.10.29-10:59:39.816 -0.000 mm 0.377 mm 0.382 mm 207. ONSALA60 NG 1983.10.29-18:59:39.816 0.002 mm 0.422 mm 0.428 mm 208. ONSALA60 EG 1983.10.29-18:59:39.816 -0.013 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 18.95 ps/h NRMS 0.38 share 0.82 count 76 2. ONSALA60 Input 50.00 ps/h RMS 16.76 ps/h NRMS 0.34 share 0.79 count 76 Overall RMS 17.89 ps/h NRMS 0.36 share 0.80 count 152 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 4.42 D-14 NRMS 0.88 share 0.41 count 26 Overall RMS 4.42 D-14 NRMS 0.88 share 0.41 count 26 209. UT1-TAI 1, 1983.10.29-07:29:00.000 -2.2546 ms/d 11.39 micros/d 59.94 micros/d 60.82 micros/d EOP epoch (TDT) MJD: 45636.312178 NUT epoch (TDT) MJD: 45636.297264 210. Nutation DPSI wrt apriori model 1983.10.29-07:28:53.256 0.952 mas 1040.6 microasec 1056.0 microasec Nutation Dx wrt apriori model 1983.10.29-07:28:53.256 0.377 mas 412.4 microasec 418.4 microasec Nutation DPSI wrt Wahr 1980 model 1983.10.29-07:28:53.256 -1.724 mas 1040.6 microasec 1056.0 microasec 211. Nutation DEPS wrt apriori model 1983.10.29-07:28:53.256 0.354 mas 445.4 microasec 452.0 microasec Nutation Dy wrt apriori model 1983.10.29-07:28:53.256 0.356 mas 446.9 microasec 453.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.10.29-07:28:53.256 2.049 mas 445.4 microasec 452.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1467 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.10.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714505.36 10.40 5599714505.36 10.40 146.86 4.36 -55.43 29.27 NNT_POS: 2 stations participated in NNT_POS constraints: JPL_MV1 MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:54 Correlator type: Unknown Experiment code: cdp83l Mark-3 db_name: $83OCT29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831029_a Ver 2 cdp83l Matrix Condition Number = 1.207399345768405E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- JPL_MV1 : GION | | MOJAVE12: GION | | PBLOSSOM: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms JPL_MV1 MET 17.6 2.3 966.8 0.6 48.3 25.6 MOJAVE12 MET 17.8 2.9 913.5 0.6 50.1 17.8 PBLOSSOM MET -999.0 0.0 -999.0 0.0 0.0 0.0 VNDNBERG MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1741 351 Observation Pairs Available Session started on: 2445637.239700 1983.10.29 17:45:10.080 UTC Nominal duration: 67512.960 sec 00 18:45:12.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 69 94.029 ps 0.76 0.8026 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__META Used quality_code_limit: 5 Number of potentially recoverable observations: 71 Number of potentially good observations with QC 5-9: 71 Number of used observations: 69 ( 97.18%) Number of suppressed observations: 2 ( 2.82%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 MOJAVE12 69 71 94.029 0.76 19831029_a cdp83l 1983.10.30-03:07:46.5 BAS_STAT Not included: JPL_MV1 PBLOSSOM 0/ 0 deselected baseline 19831029_a cdp83l JPL_MV1 VNDNBERG 0/ 0 deselected baseline 19831029_a cdp83l MOJAVE12 PBLOSSOM 0/ 0 deselected baseline 19831029_a cdp83l MOJAVE12 VNDNBERG 0/ 0 deselected baseline 19831029_a cdp83l PBLOSSOM VNDNBERG 0/ 0 deselected baseline 19831029_a cdp83l Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 0 0 27 0.000 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 0552+398 J0555+3948 5 5 30 53.396 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 0727-115 J0730-1141 0 0 9 0.000 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 1921-293 J1924-2914 2 2 9 66.375 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 2134+00 J2136+0041 6 6 20 113.445 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 3C120 J0433+0521 0 0 18 0.000 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 3C273B J1229+0203 7 7 20 79.332 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 3C279 J1256-0547 2 2 4 55.759 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 3C345 J1642+3948 9 9 27 103.183 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 3C418 J2038+5119 2 3 30 188.811 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 3C454.3 J2253+1608 5 5 18 126.059 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 3C84 J0319+4130 13 13 45 60.471 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: 4C39.25 J0927+3902 5 5 23 142.846 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: NRAO150 J0359+5057 9 9 44 95.718 19831029_a cdp83l 1983.10.30-03:07:46.560 SRC_STAT: NRAO530 J1733-1304 4 5 27 101.184 19831029_a cdp83l 1983.10.30-03:07:46.560 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.10.30-03:07:14 1. JPL_MV1 7263 PCFC X Comp -2493306138.73 mm 158.272 mm 27.866 mm 24.965 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197448.10 mm -64.095 mm 48.423 mm 43.383 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519310.23 mm -152.768 mm 36.386 mm 32.598 mm JPL_MV1 7263 U Comp -100.95 mm -100.952 mm 65.213 mm 49.271 mm JPL_MV1 7263 E Comp 169.78 mm 169.782 mm 9.044 mm 6.833 mm JPL_MV1 7263 N Comp -116.10 mm -116.099 mm 10.520 mm 7.948 mm 4. JPL_MV1 AT 0 1983.10.29-17:44:37.896 360.750 ps 966.379 ps 865.785 ps JPL_MV1 Atm 1983.10.30-03:15:10.080 Avg: 300.301 ps Rms: 35.577 ps Tot_Rms: 302.401 ps || Nat: 89 Dura: 67512.0 sec Tzd_avg: 7852.0 Tzd_rms: 36.6 Wzd_avg: 526.4 Wzd_rms: 35.3 ps Prs_avg: 96691. Pa Tem_avg: 17.9 C Stm_avg: -2.5 C Stm_rms: 0.9 K Spr_avg: 56. Spr_rms: 28. Pa 62. JPL_MV1 NG 1983.10.29-17:43:37.896 0.001 mm 0.423 mm 0.379 mm 63. JPL_MV1 EG 1983.10.29-17:43:37.896 0.007 mm 0.423 mm 0.379 mm 64. JPL_MV1 NG 1983.10.30-01:43:37.896 0.003 mm 0.381 mm 0.342 mm 65. JPL_MV1 EG 1983.10.30-01:43:37.896 -0.003 mm 0.381 mm 0.342 mm 66. JPL_MV1 NG 1983.10.30-09:43:37.896 -0.001 mm 0.423 mm 0.379 mm 67. JPL_MV1 EG 1983.10.30-09:43:37.896 -0.011 mm 0.423 mm 0.379 mm 68. MOJAVE12 7222 NOAM X Comp -2356171254.27 mm -158.272 mm 27.866 mm 24.965 mm 69. MOJAVE12 7222 NOAM Y Comp -4646755767.90 mm 64.095 mm 48.423 mm 43.383 mm 70. MOJAVE12 7222 NOAM Z Comp 3668470733.77 mm 152.768 mm 36.386 mm 32.598 mm MOJAVE12 7222 U Comp 100.10 mm 100.104 mm 65.153 mm 49.226 mm MOJAVE12 7222 E Comp -170.15 mm -170.149 mm 9.230 mm 6.974 mm MOJAVE12 7222 N Comp 116.30 mm 116.297 mm 10.732 mm 8.109 mm 71. MOJAVE12 CL 0 1983.10.29-17:44:37.896 -12894.658 ns 0.616 ns 0.552 ns 72. MOJAVE12 CL 1 1983.10.29-17:44:37.896 -385.230 D-14 2.435 D-14 2.182 D-14 73. MOJAVE12 CL 2 1983.10.29-17:44:37.896 -1.887 D-14/day 2.715 D-14/day 2.432 D-14/day 93. MOJAVE12 AT 0 1983.10.29-17:44:37.896 13.551 ps 893.191 ps 800.215 ps MOJAVE12 Atm 1983.10.30-03:15:10.080 Avg: 77.184 ps Rms: 38.089 ps Tot_Rms: 86.071 ps || Nat: 92 Dura: 67512.0 sec Tzd_avg: 7386.6 Tzd_rms: 32.5 Wzd_avg: 469.9 Wzd_rms: 31.8 ps Prs_avg: 91356. Pa Tem_avg: 18.1 C Stm_avg: -1.8 C Stm_rms: 1.0 K Spr_avg: 139. Spr_rms: 39. Pa 151. MOJAVE12 NG 1983.10.29-17:43:37.896 -0.001 mm 0.423 mm 0.379 mm 152. MOJAVE12 EG 1983.10.29-17:43:37.896 -0.008 mm 0.423 mm 0.379 mm 153. MOJAVE12 NG 1983.10.30-01:43:37.896 -0.003 mm 0.381 mm 0.342 mm 154. MOJAVE12 EG 1983.10.30-01:43:37.896 0.003 mm 0.381 mm 0.342 mm 155. MOJAVE12 NG 1983.10.30-09:43:37.896 0.001 mm 0.423 mm 0.379 mm 156. MOJAVE12 EG 1983.10.30-09:43:37.896 0.011 mm 0.423 mm 0.379 mm Atmosphere Constraint Statistics 1. JPL_MV1 Input 50.00 ps/h RMS 8.91 ps/h NRMS 0.18 share 0.96 count 58 2. MOJAVE12 Input 50.00 ps/h RMS 9.35 ps/h NRMS 0.19 share 0.96 count 58 Overall RMS 9.13 ps/h NRMS 0.18 share 0.96 count 116 Gradient Constraint Statistics 1. JPL_MV1 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.57 count 6 2. MOJAVE12 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.57 count 6 Overall RMS 0.02 mm/d NRMS 0.01 share 0.57 count 12 Clock Constraint Statistics 2. MOJAVE12 Input 5.00 D-14 RMS 3.13 D-14 NRMS 0.63 share 0.48 count 20 Overall RMS 3.13 D-14 NRMS 0.63 share 0.48 count 20 EOP epoch (TDT) MJD: 45637.130234 General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.9633 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.10.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to MOJAVE12 7222 171686441.24 23.75 171686441.24 23.75 -407.22 14.64 -200.38 130.39 NNT_POS: 5 stations participated in NNT_POS constraints: JPL_MV1 MOJAVE12 OVRO_130 PINFLATS VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1741 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:41:57 Correlator type: Unknown Experiment code: cdp83m Mark-3 db_name: $83OCT31X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831031_a Ver 2 cdp83m Matrix Condition Number = 1.245329631194559E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- JPL_MV1 : GION | | MOJAVE12: GION | | OVRO_130: GION | | PINFLATS: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PINFLATS is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms JPL_MV1 MET 15.0 2.4 963.6 0.5 52.3 24.1 MOJAVE12 MET 13.9 3.1 907.4 0.4 65.8 4.4 OVRO_130 MET 12.0 1.3 876.9 0.2 32.8 11.1 PINFLATS MET 12.4 2.4 875.8 0.4 43.7 10.6 VNDNBERG MET 17.2 0.8 1002.8 0.8 73.0 4.2 Run 26091-1741 698 Observation Pairs Available Session started on: 2445639.269100 1983.10.31 18:27:30.240 UTC Nominal duration: 85415.040 sec 00 23:43:35.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 374 18.670 ps 0.77 0.9229 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 389 Number of potentially good observations with QC 5-9: 389 Number of used observations: 374 ( 96.14%) Number of suppressed observations: 15 ( 3.86%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 MOJAVE12 50 51 97.744 0.89 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT JPL_MV1 OVRO_130 47 48 105.445 0.91 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT JPL_MV1 PINFLATS 12 12 93.246 0.92 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT JPL_MV1 VNDNBERG 3 4 138.163 0.96 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT MOJAVE12 OVRO_130 60 62 7.458 0.58 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT MOJAVE12 PINFLATS 69 77 15.168 0.59 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT MOJAVE12 VNDNBERG 31 32 15.169 0.71 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT OVRO_130 PINFLATS 61 62 30.046 0.84 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT OVRO_130 VNDNBERG 27 27 20.198 0.77 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT PINFLATS VNDNBERG 14 14 57.620 0.94 19831031_a cdp83m 1983.11.01-06:19:17.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 17 19 49 26.872 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 0552+398 J0555+3948 33 36 58 28.023 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 0727-115 J0730-1141 16 17 40 26.164 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 1921-293 J1924-2914 2 3 9 1.206 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 2134+00 J2136+0041 32 32 52 18.876 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 3C120 J0433+0521 8 10 30 31.700 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 3C273B J1229+0203 39 39 50 11.927 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 3C279 J1256-0547 25 26 32 21.053 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 3C345 J1642+3948 23 23 44 15.144 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 3C418 J2038+5119 24 26 65 25.353 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 3C454.3 J2253+1608 27 27 59 23.568 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 3C84 J0319+4130 67 67 100 14.488 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: 4C39.25 J0927+3902 25 26 45 19.289 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: NRAO150 J0359+5057 29 30 46 25.806 19831031_a cdp83m 1983.11.01-06:19:17.760 SRC_STAT: NRAO530 J1733-1304 7 8 19 23.229 19831031_a cdp83m 1983.11.01-06:19:17.760 ------------------------------------------------ Parameter adjustments for run 26091-1741 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.01-06:18:45 1. JPL_MV1 7263 PCFC X Comp -2493306158.48 mm 138.517 mm 31.618 mm 30.375 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197406.61 mm -22.614 mm 62.117 mm 59.675 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519378.70 mm -84.296 mm 45.561 mm 43.770 mm JPL_MV1 7263 U Comp -84.99 mm -84.988 mm 82.446 mm 63.693 mm JPL_MV1 7263 E Comp 132.78 mm 132.783 mm 7.273 mm 5.619 mm JPL_MV1 7263 N Comp -44.16 mm -44.157 mm 9.159 mm 7.076 mm 4. JPL_MV1 CL 0 1983.10.31-18:26:58.056 14671.389 ns 0.555 ns 0.534 ns 5. JPL_MV1 CL 1 1983.10.31-18:26:58.056 398.843 D-14 2.538 D-14 2.438 D-14 6. JPL_MV1 CL 2 1983.10.31-18:26:58.056 3.643 D-14/day 2.233 D-14/day 2.145 D-14/day 31. JPL_MV1 AT 0 1983.10.31-18:26:58.056 118.434 ps 196.306 ps 188.588 ps JPL_MV1 Atm 1983.11.01-06:27:30.240 Avg: 113.086 ps Rms: 29.554 ps Tot_Rms: 116.884 ps || Nat: 78 Dura: 76902.0 sec Tzd_avg: 7715.9 Tzd_rms: 24.1 Wzd_avg: 407.7 Wzd_rms: 25.3 ps Prs_avg: 96370. Pa Tem_avg: 15.4 C Stm_avg: -2.0 C Stm_rms: 1.3 K Spr_avg: 15. Spr_rms: 26. Pa 104. JPL_MV1 NG 1983.10.31-18:25:58.056 0.007 mm 0.422 mm 0.406 mm 105. JPL_MV1 EG 1983.10.31-18:25:58.056 0.000 mm 0.422 mm 0.406 mm 106. JPL_MV1 NG 1983.11.01-02:25:58.056 0.010 mm 0.377 mm 0.362 mm 107. JPL_MV1 EG 1983.11.01-02:25:58.056 0.007 mm 0.377 mm 0.362 mm 108. JPL_MV1 NG 1983.11.01-10:25:58.056 -0.002 mm 0.377 mm 0.362 mm 109. JPL_MV1 EG 1983.11.01-10:25:58.056 -0.002 mm 0.377 mm 0.362 mm 110. JPL_MV1 NG 1983.11.01-18:25:58.056 -0.011 mm 0.422 mm 0.406 mm 111. JPL_MV1 EG 1983.11.01-18:25:58.056 -0.005 mm 0.422 mm 0.406 mm 112. MOJAVE12 7222 NOAM X Comp -2356171251.59 mm -155.589 mm 11.258 mm 10.816 mm 113. MOJAVE12 7222 NOAM Y Comp -4646755704.34 mm 127.665 mm 21.074 mm 20.246 mm 114. MOJAVE12 7222 NOAM Z Comp 3668470759.47 mm 178.469 mm 16.010 mm 15.381 mm MOJAVE12 7222 U Comp 67.72 mm 67.722 mm 28.386 mm 21.929 mm MOJAVE12 7222 E Comp -196.50 mm -196.505 mm 3.122 mm 2.412 mm MOJAVE12 7222 N Comp 170.75 mm 170.755 mm 3.421 mm 2.643 mm 115. MOJAVE12 AT 0 1983.10.31-18:26:58.056 -160.771 ps 137.467 ps 132.062 ps MOJAVE12 Atm 1983.11.01-06:27:30.240 Avg: -107.992 ps Rms: 31.049 ps Tot_Rms: 112.367 ps || Nat: 83 Dura: 85412.0 sec Tzd_avg: 7215.3 Tzd_rms: 19.2 Wzd_avg: 317.0 Wzd_rms: 16.6 ps Prs_avg: 90743. Pa Tem_avg: 14.3 C Stm_avg: -1.9 C Stm_rms: 1.9 K Spr_avg: -164. Spr_rms: 44. Pa 188. MOJAVE12 NG 1983.10.31-18:25:58.056 0.020 mm 0.422 mm 0.405 mm 189. MOJAVE12 EG 1983.10.31-18:25:58.056 -0.062 mm 0.421 mm 0.404 mm 190. MOJAVE12 NG 1983.11.01-02:25:58.056 0.034 mm 0.376 mm 0.361 mm 191. MOJAVE12 EG 1983.11.01-02:25:58.056 -0.028 mm 0.375 mm 0.360 mm 192. MOJAVE12 NG 1983.11.01-10:25:58.056 -0.044 mm 0.376 mm 0.361 mm 193. MOJAVE12 EG 1983.11.01-10:25:58.056 0.057 mm 0.375 mm 0.360 mm 194. MOJAVE12 NG 1983.11.01-18:25:58.056 -0.045 mm 0.421 mm 0.404 mm 195. MOJAVE12 EG 1983.11.01-18:25:58.056 0.067 mm 0.419 mm 0.403 mm 196. OVRO_130 7207 NOAM X Comp -2409600995.33 mm -108.327 mm 11.686 mm 11.227 mm 197. OVRO_130 7207 NOAM Y Comp -4478349335.54 mm 128.464 mm 21.843 mm 20.984 mm 198. OVRO_130 7207 NOAM Z Comp 3838603339.13 mm 151.132 mm 16.217 mm 15.579 mm OVRO_130 7207 U Comp 42.23 mm 42.235 mm 28.911 mm 22.335 mm OVRO_130 7207 E Comp -156.26 mm -156.264 mm 2.891 mm 2.234 mm OVRO_130 7207 N Comp 157.72 mm 157.722 mm 5.699 mm 4.402 mm 199. OVRO_130 CL 0 1983.10.31-18:26:58.056 13379.472 ns 0.685 ns 0.658 ns 200. OVRO_130 CL 1 1983.10.31-18:26:58.056 460.979 D-14 3.344 D-14 3.213 D-14 201. OVRO_130 CL 2 1983.10.31-18:26:58.056 2.139 D-14/day 2.593 D-14/day 2.492 D-14/day 226. OVRO_130 AT 0 1983.10.31-18:26:58.056 -44.444 ps 135.156 ps 129.842 ps OVRO_130 Atm 1983.11.01-06:27:30.240 Avg: -31.714 ps Rms: 19.844 ps Tot_Rms: 37.411 ps || Nat: 69 Dura: 66188.0 sec Tzd_avg: 6961.1 Tzd_rms: 19.6 Wzd_avg: 298.5 Wzd_rms: 22.7 ps Prs_avg: 87693. Pa Tem_avg: 12.0 C Stm_avg: 0.1 C Stm_rms: 0.6 K Spr_avg: -144. Spr_rms: 36. Pa 299. OVRO_130 NG 1983.10.31-18:25:58.056 -0.027 mm 0.422 mm 0.405 mm 300. OVRO_130 EG 1983.10.31-18:25:58.056 0.029 mm 0.422 mm 0.405 mm 301. OVRO_130 NG 1983.11.01-02:25:58.056 -0.022 mm 0.376 mm 0.361 mm 302. OVRO_130 EG 1983.11.01-02:25:58.056 0.030 mm 0.376 mm 0.361 mm 303. OVRO_130 NG 1983.11.01-10:25:58.056 0.025 mm 0.376 mm 0.361 mm 304. OVRO_130 EG 1983.11.01-10:25:58.056 -0.034 mm 0.376 mm 0.361 mm 305. OVRO_130 NG 1983.11.01-18:25:58.056 0.042 mm 0.421 mm 0.404 mm 306. OVRO_130 EG 1983.11.01-18:25:58.056 -0.053 mm 0.421 mm 0.405 mm 307. PINFLATS 7256 PCFC X Comp -2369636150.05 mm 12.953 mm 14.661 mm 14.084 mm 308. PINFLATS 7256 PCFC Y Comp -4761324742.26 mm -25.265 mm 28.963 mm 27.824 mm 309. PINFLATS 7256 PCFC Z Comp 3511116234.66 mm 28.660 mm 21.090 mm 20.261 mm PINFLATS 7256 U Comp 29.89 mm 29.895 mm 38.168 mm 29.487 mm PINFLATS 7256 E Comp 22.85 mm 22.853 mm 4.239 mm 3.275 mm PINFLATS 7256 N Comp 14.54 mm 14.543 mm 4.879 mm 3.769 mm 310. PINFLATS CL 0 1983.10.31-18:26:58.056 8931.038 ns 0.223 ns 0.215 ns 311. PINFLATS CL 1 1983.10.31-18:26:58.056 390.422 D-14 2.142 D-14 2.058 D-14 312. PINFLATS CL 2 1983.10.31-18:26:58.056 5.871 D-14/day 1.847 D-14/day 1.775 D-14/day 337. PINFLATS AT 0 1983.10.31-18:26:58.056 -21.946 ps 149.090 ps 143.228 ps PINFLATS Atm 1983.11.01-06:27:30.240 Avg: -70.576 ps Rms: 47.606 ps Tot_Rms: 85.131 ps || Nat: 85 Dura: 83592.0 sec Tzd_avg: 6873.9 Tzd_rms: 17.2 Wzd_avg: 228.9 Wzd_rms: 16.5 ps Prs_avg: 87588. Pa Tem_avg: 12.8 C Stm_avg: -0.4 C Stm_rms: 1.7 K Spr_avg: 74. Spr_rms: 59. Pa 410. PINFLATS NG 1983.10.31-18:25:58.056 0.002 mm 0.422 mm 0.406 mm 411. PINFLATS EG 1983.10.31-18:25:58.056 0.033 mm 0.422 mm 0.405 mm 412. PINFLATS NG 1983.11.01-02:25:58.056 -0.009 mm 0.376 mm 0.362 mm 413. PINFLATS EG 1983.11.01-02:25:58.056 0.001 mm 0.376 mm 0.362 mm 414. PINFLATS NG 1983.11.01-10:25:58.056 0.027 mm 0.377 mm 0.362 mm 415. PINFLATS EG 1983.11.01-10:25:58.056 -0.032 mm 0.376 mm 0.362 mm 416. PINFLATS NG 1983.11.01-18:25:58.056 0.003 mm 0.422 mm 0.405 mm 417. PINFLATS EG 1983.11.01-18:25:58.056 -0.033 mm 0.421 mm 0.405 mm 418. VNDNBERG 7223 PCFC X Comp -2678094934.55 mm 112.446 mm 25.512 mm 24.509 mm 419. VNDNBERG 7223 PCFC Y Comp -4525450708.25 mm -208.250 mm 42.026 mm 40.373 mm 420. VNDNBERG 7223 PCFC Z Comp 3597410142.04 mm -273.965 mm 34.005 mm 32.668 mm VNDNBERG 7223 U Comp -54.96 mm -54.960 mm 59.117 mm 45.671 mm VNDNBERG 7223 E Comp 202.83 mm 202.830 mm 6.599 mm 5.098 mm VNDNBERG 7223 N Comp -294.80 mm -294.802 mm 5.914 mm 4.569 mm 421. VNDNBERG CL 0 1983.10.31-18:26:58.056 57044.191 ns 0.568 ns 0.546 ns 422. VNDNBERG CL 1 1983.10.31-18:26:58.056 448.215 D-14 2.843 D-14 2.731 D-14 423. VNDNBERG CL 2 1983.10.31-18:26:58.056 3.993 D-14/day 2.279 D-14/day 2.189 D-14/day 448. VNDNBERG AT 0 1983.10.31-18:26:58.056 51.915 ps 161.218 ps 154.880 ps VNDNBERG Atm 1983.11.01-06:27:30.240 Avg: 49.229 ps Rms: 12.062 ps Tot_Rms: 50.685 ps || Nat: 76 Dura: 85412.0 sec Tzd_avg: 8253.7 Tzd_rms: 32.7 Wzd_avg: 573.9 Wzd_rms: 37.9 ps Prs_avg: 100287. Pa Tem_avg: 17.2 C Stm_avg: -1.6 C Stm_rms: 0.8 K Spr_avg: -1045. Spr_rms: 40. Pa 521. VNDNBERG NG 1983.10.31-18:25:58.056 -0.003 mm 0.422 mm 0.406 mm 522. VNDNBERG EG 1983.10.31-18:25:58.056 0.000 mm 0.422 mm 0.406 mm 523. VNDNBERG NG 1983.11.01-02:25:58.056 -0.011 mm 0.377 mm 0.362 mm 524. VNDNBERG EG 1983.11.01-02:25:58.056 -0.012 mm 0.377 mm 0.362 mm 525. VNDNBERG NG 1983.11.01-10:25:58.056 -0.002 mm 0.377 mm 0.362 mm 526. VNDNBERG EG 1983.11.01-10:25:58.056 0.010 mm 0.377 mm 0.362 mm 527. VNDNBERG NG 1983.11.01-18:25:58.056 0.013 mm 0.422 mm 0.406 mm 528. VNDNBERG EG 1983.11.01-18:25:58.056 0.020 mm 0.422 mm 0.406 mm Atmosphere Constraint Statistics 1. JPL_MV1 Input 50.00 ps/h RMS 10.60 ps/h NRMS 0.21 share 0.95 count 73 2. MOJAVE12 Input 50.00 ps/h RMS 20.18 ps/h NRMS 0.40 share 0.78 count 73 3. OVRO_130 Input 50.00 ps/h RMS 17.28 ps/h NRMS 0.35 share 0.82 count 73 4. PINFLATS Input 50.00 ps/h RMS 15.97 ps/h NRMS 0.32 share 0.87 count 73 5. VNDNBERG Input 50.00 ps/h RMS 17.02 ps/h NRMS 0.34 share 0.93 count 73 Overall RMS 16.51 ps/h NRMS 0.33 share 0.87 count 365 Gradient Constraint Statistics 1. JPL_MV1 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.07 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.53 count 8 4. PINFLATS Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 5. VNDNBERG Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.05 share 0.54 count 40 Clock Constraint Statistics 1. JPL_MV1 Input 5.00 D-14 RMS 2.54 D-14 NRMS 0.51 share 0.49 count 25 3. OVRO_130 Input 5.00 D-14 RMS 1.06 D-14 NRMS 0.21 share 0.35 count 25 4. PINFLATS Input 5.00 D-14 RMS 2.82 D-14 NRMS 0.56 share 0.24 count 25 5. VNDNBERG Input 5.00 D-14 RMS 1.83 D-14 NRMS 0.37 share 0.45 count 25 Overall RMS 2.17 D-14 NRMS 0.43 share 0.38 count 100 529. UT1-TAI 1, 1983.11.01-06:19:00.000 -5.8955 ms/d -2847.29 micros/d 1446.68 micros/d 1389.80 micros/d EOP epoch (TDT) MJD: 45639.263567 NUT epoch (TDT) MJD: 45639.389983 530. Nutation DPSI wrt apriori model 1983.11.01-06:18:45.576 13.024 mas 9075.8 microasec 8718.9 microasec Nutation Dx wrt apriori model 1983.11.01-06:18:45.576 5.148 mas 3594.1 microasec 3452.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.01-06:18:45.576 10.951 mas 9075.8 microasec 8718.9 microasec 531. Nutation DEPS wrt apriori model 1983.11.01-06:18:45.576 8.986 mas 4525.1 microasec 4347.2 microasec Nutation Dy wrt apriori model 1983.11.01-06:18:45.576 9.005 mas 4538.2 microasec 4359.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.01-06:18:45.576 11.409 mas 4525.1 microasec 4347.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0126 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to MOJAVE12 7222 171686434.61 9.81 171686434.61 9.81 -387.69 11.01 -151.44 102.14 JPL_MV1 7263 to OVRO_130 7207 335941429.46 13.49 335941429.46 13.49 -282.90 9.13 -123.70 102.67 JPL_MV1 7263 to PINFLATS 7256 171805076.88 10.61 171805076.88 10.61 -13.52 10.87 -113.34 107.29 JPL_MV1 7263 to VNDNBERG 7223 228030959.05 12.53 228030959.05 12.53 -239.55 12.44 -37.44 121.95 MOJAVE12 7222 to OVRO_130 7207 245276450.62 4.88 245276450.62 4.88 31.21 2.96 34.40 22.69 MOJAVE12 7222 to PINFLATS 7256 195109749.68 5.57 195109749.68 5.57 -182.81 3.36 34.94 38.40 MOJAVE12 7222 to VNDNBERG 7223 351282466.23 8.87 351282466.23 8.87 -548.98 7.06 122.62 70.73 OVRO_130 7207 to PINFLATS 7256 434649368.19 8.57 434649368.19 8.57 -109.07 4.39 5.27 40.22 OVRO_130 7207 to VNDNBERG 7223 363980347.05 9.25 363980347.05 9.25 -553.90 6.29 98.21 70.03 PINFLATS 7256 to VNDNBERG 7223 397781372.25 10.13 397781372.25 10.13 -257.00 7.93 75.90 77.89 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:00 Correlator type: Unknown Experiment code: pol139 Mark-3 db_name: $83NOV01X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831101_a Ver 2 pol139 Matrix Condition Number = 8.894554506577447E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 15.3 4.2 842.3 0.7 32.8 3.5 WESTFORD MET 7.3 3.6 1018.8 2.7 16.0 2.5 Run 26091-1742 216 Observation Pairs Available Session started on: 2445640.331400 1983.11.01 19:57:12.960 UTC Nominal duration: 86806.080 sec 01 00:06:46.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 196 66.599 ps 0.88 1.0227 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 197 Number of potentially good observations with QC 5-9: 197 Number of used observations: 196 ( 99.49%) Number of suppressed observations: 1 ( 0.51%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 196 197 66.599 0.88 19831101_a pol139 1983.11.02-08:00:36.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 10 99.135 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 0212+735 J0217+7349 10 10 13 119.384 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 0234+285 J0237+2848 15 15 15 77.365 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 0552+398 J0555+3948 18 18 18 71.130 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 1637+574 J1638+5720 21 21 23 145.701 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 2134+00 J2136+0041 11 11 13 68.418 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 3C273B J1229+0203 14 14 14 34.898 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 3C345 J1642+3948 20 20 20 33.394 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 3C454.3 J2253+1608 12 12 12 47.762 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: 4C39.25 J0927+3902 8 9 17 64.560 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: NRAO150 J0359+5057 19 19 19 86.148 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: OJ287 J0854+2006 13 13 13 34.529 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: OQ208 J1407+2827 16 16 17 90.011 19831101_a pol139 1983.11.02-08:00:36.000 SRC_STAT: VR422201 J2202+4216 9 9 12 70.554 19831101_a pol139 1983.11.02-08:00:36.000 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.02-08:00:03 1. HRAS_085 7216 NOAM X Comp -1324211069.63 mm -52.634 mm 4.426 mm 4.476 mm 2. HRAS_085 7216 NOAM Y Comp -5332023145.71 mm -63.712 mm 15.995 mm 16.176 mm 3. HRAS_085 7216 NOAM Z Comp 3232118397.91 mm 90.911 mm 11.678 mm 11.810 mm HRAS_085 7216 U Comp 110.45 mm 110.445 mm 19.493 mm 17.232 mm HRAS_085 7216 E Comp -35.73 mm -35.726 mm 4.141 mm 3.661 mm HRAS_085 7216 N Comp 40.25 mm 40.246 mm 3.833 mm 3.388 mm 4. HRAS_085 CL 0 1983.11.01-19:56:40.776 277.486 ns 0.228 ns 0.231 ns 5. HRAS_085 CL 1 1983.11.01-19:56:40.776 -10.761 D-14 2.126 D-14 2.150 D-14 6. HRAS_085 CL 2 1983.11.01-19:56:40.776 6.150 D-14/day 1.817 D-14/day 1.837 D-14/day 32. HRAS_085 AT 0 1983.11.01-19:56:40.776 -43.669 ps 65.220 ps 65.956 ps HRAS_085 Atm 1983.11.02-08:27:12.960 Avg: -73.287 ps Rms: 40.579 ps Tot_Rms: 83.772 ps || Nat: 216 Dura: 86810.0 sec Tzd_avg: 6746.5 Tzd_rms: 19.6 Wzd_avg: 356.6 Wzd_rms: 16.4 ps Prs_avg: 84229. Pa Tem_avg: 15.3 C Stm_avg: -1.2 C Stm_rms: 3.1 K Spr_avg: 43. Spr_rms: 63. Pa 108. HRAS_085 NG 1983.11.01-19:55:40.776 -0.009 mm 0.422 mm 0.427 mm 109. HRAS_085 EG 1983.11.01-19:55:40.776 -0.001 mm 0.422 mm 0.427 mm 110. HRAS_085 NG 1983.11.02-03:55:40.776 -0.003 mm 0.377 mm 0.381 mm 111. HRAS_085 EG 1983.11.02-03:55:40.776 -0.021 mm 0.377 mm 0.381 mm 112. HRAS_085 NG 1983.11.02-11:55:40.776 -0.004 mm 0.377 mm 0.381 mm 113. HRAS_085 EG 1983.11.02-11:55:40.776 -0.011 mm 0.377 mm 0.381 mm 114. HRAS_085 NG 1983.11.02-19:55:40.776 0.020 mm 0.422 mm 0.427 mm 115. HRAS_085 EG 1983.11.02-19:55:40.776 0.019 mm 0.422 mm 0.427 mm 116. WESTFORD 7209 NOAM X Comp 1492206595.63 mm 52.634 mm 4.426 mm 4.476 mm 117. WESTFORD 7209 NOAM Y Comp -4458130458.29 mm 63.712 mm 15.995 mm 16.176 mm 118. WESTFORD 7209 NOAM Z Comp 4296015456.09 mm -90.911 mm 11.678 mm 11.810 mm WESTFORD 7209 U Comp -93.72 mm -93.719 mm 18.351 mm 16.223 mm WESTFORD 7209 E Comp 70.14 mm 70.135 mm 8.012 mm 7.083 mm WESTFORD 7209 N Comp -37.31 mm -37.311 mm 3.298 mm 2.915 mm 119. WESTFORD AT 0 1983.11.01-19:56:40.776 63.904 ps 61.089 ps 61.779 ps WESTFORD Atm 1983.11.02-08:27:12.960 Avg: -5.696 ps Rms: 36.325 ps Tot_Rms: 36.769 ps || Nat: 216 Dura: 86810.0 sec Tzd_avg: 7937.1 Tzd_rms: 65.6 Wzd_avg: 219.4 Wzd_rms: 85.5 ps Prs_avg: 101882. Pa Tem_avg: 7.3 C Stm_avg: -0.2 C Stm_rms: 1.7 K Spr_avg: 143. Spr_rms: 48. Pa 195. WESTFORD NG 1983.11.01-19:55:40.776 0.014 mm 0.422 mm 0.427 mm 196. WESTFORD EG 1983.11.01-19:55:40.776 0.006 mm 0.422 mm 0.427 mm 197. WESTFORD NG 1983.11.02-03:55:40.776 0.005 mm 0.377 mm 0.381 mm 198. WESTFORD EG 1983.11.02-03:55:40.776 0.017 mm 0.377 mm 0.381 mm 199. WESTFORD NG 1983.11.02-11:55:40.776 0.000 mm 0.377 mm 0.381 mm 200. WESTFORD EG 1983.11.02-11:55:40.776 0.014 mm 0.377 mm 0.381 mm 201. WESTFORD NG 1983.11.02-19:55:40.776 -0.018 mm 0.422 mm 0.427 mm 202. WESTFORD EG 1983.11.02-19:55:40.776 0.008 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.40 ps/h NRMS 0.23 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 16.22 ps/h NRMS 0.32 share 0.84 count 76 Overall RMS 14.02 ps/h NRMS 0.28 share 0.87 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.43 D-14 NRMS 0.49 share 0.27 count 26 Overall RMS 2.43 D-14 NRMS 0.49 share 0.27 count 26 203. UT1-TAI 1, 1983.11.02-08:00:00.000 -3.0415 ms/d 140.74 micros/d 262.33 micros/d 265.30 micros/d EOP epoch (TDT) MJD: 45640.333706 NUT epoch (TDT) MJD: 45640.372530 204. Nutation DPSI wrt apriori model 1983.11.02-08:00:03.816 -4.155 mas 1912.4 microasec 1934.0 microasec Nutation Dx wrt apriori model 1983.11.02-08:00:03.816 -1.653 mas 756.7 microasec 765.3 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.02-08:00:03.816 -6.573 mas 1912.4 microasec 1934.0 microasec 205. Nutation DEPS wrt apriori model 1983.11.02-08:00:03.816 0.079 mas 1122.9 microasec 1135.5 microasec Nutation Dy wrt apriori model 1983.11.02-08:00:03.816 0.073 mas 1125.6 microasec 1138.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.02-08:00:03.816 2.620 mas 1122.9 microasec 1135.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0990 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928044.59 9.78 3134928044.59 9.78 107.19 5.70 210.27 38.97 NNT_POS: 4 stations participated in NNT_POS constraints: MOJAVE12 PINFLATS VNDNBERG YUMA NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:03 Correlator type: Unknown Experiment code: cdp83n Mark-3 db_name: $83NOV03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831103_a Ver 2 cdp83n Matrix Condition Number = 6.065751375822627E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- MOJAVE12: GION | | PINFLATS: GION | | VNDNBERG: GION | | YUMA : GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for PINFLATS is 5.0 Elevation cut for VNDNBERG is 5.0 Elevation cut for YUMA is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms MOJAVE12 MET 12.4 6.6 908.7 0.5 38.1 13.8 PINFLATS MET 15.5 3.9 877.2 0.5 17.6 10.6 VNDNBERG MET 18.1 3.3 1003.2 0.4 65.4 24.5 YUMA MET 23.0 4.0 982.9 0.8 6.6 11.2 Run 26091-1742 415 Observation Pairs Available Session started on: 2445642.339500 1983.11.03 20:08:52.800 UTC Nominal duration: 63218.880 sec 00 17:33:38.880 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 225 26.923 ps 0.81 0.9886 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 241 Number of potentially good observations with QC 5-9: 241 Number of used observations: 225 ( 93.36%) Number of suppressed observations: 16 ( 6.64%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 PINFLATS 53 59 24.458 0.78 19831103_a cdp83n 1983.11.04-04:55:42.2 BAS_STAT MOJAVE12 VNDNBERG 60 67 14.704 0.69 19831103_a cdp83n 1983.11.04-04:55:42.2 BAS_STAT MOJAVE12 YUMA 64 64 114.212 0.89 19831103_a cdp83n 1983.11.04-04:55:42.2 BAS_STAT PINFLATS VNDNBERG 21 24 43.942 0.91 19831103_a cdp83n 1983.11.04-04:55:42.2 BAS_STAT PINFLATS YUMA 12 12 52.188 0.70 19831103_a cdp83n 1983.11.04-04:55:42.2 BAS_STAT VNDNBERG YUMA 15 15 97.535 0.92 19831103_a cdp83n 1983.11.04-04:55:42.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 9 10 30 54.156 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 0552+398 J0555+3948 16 17 30 66.231 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 0727-115 J0730-1141 3 3 12 31.569 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 1921-293 J1924-2914 7 8 12 29.508 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 2134+00 J2136+0041 26 27 42 36.097 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 3C120 J0433+0521 5 6 21 61.385 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 3C273B J1229+0203 5 6 6 16.539 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 3C279 J1256-0547 3 4 6 18.679 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 3C345 J1642+3948 14 16 29 17.365 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 3C418 J2038+5119 8 9 35 33.898 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 3C454.3 J2253+1608 18 20 30 29.464 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 3C84 J0319+4130 70 72 76 17.158 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: 4C39.25 J0927+3902 10 10 23 61.173 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: NRAO150 J0359+5057 23 23 42 44.302 19831103_a cdp83n 1983.11.04-04:55:42.240 SRC_STAT: NRAO530 J1733-1304 8 10 21 32.257 19831103_a cdp83n 1983.11.04-04:55:42.240 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.04-04:55:10 1. MOJAVE12 7222 NOAM X Comp -2356171215.93 mm -119.932 mm 15.196 mm 15.109 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755761.57 mm 70.434 mm 32.414 mm 32.229 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470726.87 mm 145.866 mm 24.395 mm 24.256 mm MOJAVE12 7222 U Comp 77.36 mm 77.355 mm 42.836 mm 34.667 mm MOJAVE12 7222 E Comp -138.82 mm -138.820 mm 3.990 mm 3.229 mm MOJAVE12 7222 N Comp 123.96 mm 123.963 mm 5.082 mm 4.113 mm 4. MOJAVE12 AT 0 1983.11.03-20:08:20.616 156.887 ps 149.573 ps 148.722 ps MOJAVE12 Atm 1983.11.04-05:08:52.800 Avg: 183.579 ps Rms: 24.496 ps Tot_Rms: 185.206 ps || Nat: 86 Dura: 63218.0 sec Tzd_avg: 7116.9 Tzd_rms: 28.9 Wzd_avg: 208.0 Wzd_rms: 35.7 ps Prs_avg: 90867. Pa Tem_avg: 12.3 C Stm_avg: -8.0 C Stm_rms: 5.2 K Spr_avg: -131. Spr_rms: 52. Pa 59. MOJAVE12 NG 1983.11.03-20:07:20.616 0.010 mm 0.423 mm 0.420 mm 60. MOJAVE12 EG 1983.11.03-20:07:20.616 0.031 mm 0.423 mm 0.420 mm 61. MOJAVE12 NG 1983.11.04-04:07:20.616 -0.002 mm 0.381 mm 0.379 mm 62. MOJAVE12 EG 1983.11.04-04:07:20.616 0.014 mm 0.381 mm 0.379 mm 63. MOJAVE12 NG 1983.11.04-12:07:20.616 -0.015 mm 0.422 mm 0.420 mm 64. MOJAVE12 EG 1983.11.04-12:07:20.616 -0.027 mm 0.422 mm 0.419 mm 65. PINFLATS 7256 PCFC X Comp -2369636131.52 mm 31.481 mm 23.596 mm 23.462 mm 66. PINFLATS 7256 PCFC Y Comp -4761324834.75 mm -117.746 mm 48.259 mm 47.984 mm 67. PINFLATS 7256 PCFC Z Comp 3511116228.56 mm 22.559 mm 36.449 mm 36.241 mm PINFLATS 7256 U Comp 88.60 mm 88.596 mm 64.464 mm 52.169 mm PINFLATS 7256 E Comp 80.65 mm 80.646 mm 4.778 mm 3.867 mm PINFLATS 7256 N Comp -31.80 mm -31.797 mm 5.984 mm 4.842 mm 68. PINFLATS CL 0 1983.11.03-20:08:20.616 9999.127 ns 0.371 ns 0.369 ns 69. PINFLATS CL 1 1983.11.03-20:08:20.616 405.704 D-14 2.705 D-14 2.690 D-14 70. PINFLATS CL 2 1983.11.03-20:08:20.616 5.048 D-14/day 3.100 D-14/day 3.083 D-14/day 89. PINFLATS AT 0 1983.11.03-20:08:20.616 144.600 ps 188.996 ps 187.920 ps PINFLATS Atm 1983.11.04-05:08:52.800 Avg: 90.228 ps Rms: 34.581 ps Tot_Rms: 96.628 ps || Nat: 63 Dura: 60998.0 sec Tzd_avg: 6925.1 Tzd_rms: 44.1 Wzd_avg: 275.2 Wzd_rms: 47.6 ps Prs_avg: 87717. Pa Tem_avg: 15.5 C Stm_avg: -4.8 C Stm_rms: 3.4 K Spr_avg: 118. Spr_rms: 80. Pa 144. PINFLATS NG 1983.11.03-20:07:20.616 -0.003 mm 0.423 mm 0.420 mm 145. PINFLATS EG 1983.11.03-20:07:20.616 -0.017 mm 0.423 mm 0.420 mm 146. PINFLATS NG 1983.11.04-04:07:20.616 0.012 mm 0.381 mm 0.379 mm 147. PINFLATS EG 1983.11.04-04:07:20.616 -0.035 mm 0.381 mm 0.379 mm 148. PINFLATS NG 1983.11.04-12:07:20.616 0.010 mm 0.423 mm 0.420 mm 149. PINFLATS EG 1983.11.04-12:07:20.616 0.019 mm 0.422 mm 0.420 mm 150. VNDNBERG 7223 PCFC X Comp -2678094889.58 mm 157.423 mm 20.659 mm 20.541 mm 151. VNDNBERG 7223 PCFC Y Comp -4525450805.21 mm -305.208 mm 41.421 mm 41.186 mm 152. VNDNBERG 7223 PCFC Z Comp 3597410186.47 mm -229.535 mm 29.811 mm 29.641 mm VNDNBERG 7223 U Comp 20.10 mm 20.096 mm 53.785 mm 43.528 mm VNDNBERG 7223 E Comp 290.92 mm 290.916 mm 8.094 mm 6.551 mm VNDNBERG 7223 N Comp -292.55 mm -292.547 mm 8.534 mm 6.906 mm 153. VNDNBERG CL 0 1983.11.03-20:08:20.616 65862.528 ns 0.354 ns 0.352 ns 154. VNDNBERG CL 1 1983.11.03-20:08:20.616 470.525 D-14 2.641 D-14 2.626 D-14 155. VNDNBERG CL 2 1983.11.03-20:08:20.616 5.022 D-14/day 3.120 D-14/day 3.102 D-14/day 174. VNDNBERG AT 0 1983.11.03-20:08:20.616 147.722 ps 138.101 ps 137.315 ps VNDNBERG Atm 1983.11.04-05:08:52.800 Avg: 167.177 ps Rms: 12.396 ps Tot_Rms: 167.636 ps || Nat: 78 Dura: 60818.0 sec Tzd_avg: 8023.7 Tzd_rms: 31.4 Wzd_avg: 337.8 Wzd_rms: 27.9 ps Prs_avg: 100328. Pa Tem_avg: 18.1 C Stm_avg: -0.3 C Stm_rms: 1.8 K Spr_avg: -979. Spr_rms: 78. Pa 229. VNDNBERG NG 1983.11.03-20:07:20.616 -0.009 mm 0.423 mm 0.420 mm 230. VNDNBERG EG 1983.11.03-20:07:20.616 -0.007 mm 0.423 mm 0.420 mm 231. VNDNBERG NG 1983.11.04-04:07:20.616 -0.013 mm 0.381 mm 0.379 mm 232. VNDNBERG EG 1983.11.04-04:07:20.616 0.026 mm 0.381 mm 0.379 mm 233. VNDNBERG NG 1983.11.04-12:07:20.616 0.012 mm 0.423 mm 0.420 mm 234. VNDNBERG EG 1983.11.04-12:07:20.616 0.011 mm 0.422 mm 0.420 mm 235. YUMA 7894 NOAM X Comp -2196778143.97 mm -68.972 mm 36.755 mm 36.546 mm 236. YUMA 7894 NOAM Y Comp -4887336865.48 mm 352.521 mm 82.645 mm 82.174 mm 237. YUMA 7894 NOAM Z Comp 3448425325.11 mm 61.110 mm 59.818 mm 59.478 mm YUMA 7894 U Comp -212.89 mm -212.887 mm 107.185 mm 86.743 mm YUMA 7894 E Comp -207.43 mm -207.433 mm 9.442 mm 7.641 mm YUMA 7894 N Comp 210.74 mm 210.744 mm 13.478 mm 10.907 mm 238. YUMA CL 0 1983.11.03-20:08:20.616 17055.257 ns 0.649 ns 0.646 ns 239. YUMA CL 1 1983.11.03-20:08:20.616 415.244 D-14 2.630 D-14 2.615 D-14 240. YUMA CL 2 1983.11.03-20:08:20.616 1.919 D-14/day 3.153 D-14/day 3.135 D-14/day 259. YUMA AT 0 1983.11.03-20:08:20.616 156.423 ps 253.862 ps 252.416 ps YUMA Atm 1983.11.04-05:08:52.800 Avg: 152.081 ps Rms: 8.444 ps Tot_Rms: 152.316 ps || Nat: 86 Dura: 63218.0 sec Tzd_avg: 8075.6 Tzd_rms: 42.0 Wzd_avg: 634.7 Wzd_rms: 40.4 ps Prs_avg: 98297. Pa Tem_avg: 22.8 C Stm_avg: -1.1 C Stm_rms: 1.7 K Spr_avg: 106. Spr_rms: 41. Pa 314. YUMA NG 1983.11.03-20:07:20.616 0.001 mm 0.423 mm 0.420 mm 315. YUMA EG 1983.11.03-20:07:20.616 -0.007 mm 0.423 mm 0.420 mm 316. YUMA NG 1983.11.04-04:07:20.616 0.004 mm 0.381 mm 0.379 mm 317. YUMA EG 1983.11.04-04:07:20.616 -0.005 mm 0.381 mm 0.379 mm 318. YUMA NG 1983.11.04-12:07:20.616 -0.005 mm 0.423 mm 0.420 mm 319. YUMA EG 1983.11.04-12:07:20.616 -0.003 mm 0.423 mm 0.420 mm Atmosphere Constraint Statistics 1. MOJAVE12 Input 50.00 ps/h RMS 19.66 ps/h NRMS 0.39 share 0.83 count 55 2. PINFLATS Input 50.00 ps/h RMS 14.69 ps/h NRMS 0.29 share 0.91 count 55 3. VNDNBERG Input 50.00 ps/h RMS 15.17 ps/h NRMS 0.30 share 0.88 count 55 4. YUMA Input 50.00 ps/h RMS 7.86 ps/h NRMS 0.16 share 0.95 count 55 Overall RMS 14.95 ps/h NRMS 0.30 share 0.89 count 220 Gradient Constraint Statistics 1. MOJAVE12 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.57 count 6 2. PINFLATS Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.57 count 6 3. VNDNBERG Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.57 count 6 4. YUMA Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.57 count 6 Overall RMS 0.07 mm/d NRMS 0.03 share 0.57 count 24 Clock Constraint Statistics 2. PINFLATS Input 5.00 D-14 RMS 2.79 D-14 NRMS 0.56 share 0.46 count 19 3. VNDNBERG Input 5.00 D-14 RMS 1.52 D-14 NRMS 0.30 share 0.30 count 19 4. YUMA Input 5.00 D-14 RMS 3.13 D-14 NRMS 0.63 share 0.45 count 19 Overall RMS 2.58 D-14 NRMS 0.52 share 0.40 count 57 320. UT1-TAI 1, 1983.11.04-04:55:00.000 -1.7740 ms/d 1303.20 micros/d 4273.38 micros/d 4249.05 micros/d EOP epoch (TDT) MJD: 45642.205234 NUT epoch (TDT) MJD: 45642.231778 321. Nutation DPSI wrt apriori model 1983.11.04-04:55:10.056 -21.654 mas 24636.8 microasec 24496.5 microasec Nutation Dx wrt apriori model 1983.11.04-04:55:10.056 -8.582 mas 9774.8 microasec 9719.2 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.04-04:55:10.056 -24.386 mas 24636.8 microasec 24496.5 microasec 322. Nutation DEPS wrt apriori model 1983.11.04-04:55:10.056 -9.037 mas 7188.2 microasec 7147.3 microasec Nutation Dy wrt apriori model 1983.11.04-04:55:10.056 -9.068 mas 7223.7 microasec 7182.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.04-04:55:10.056 -6.769 mas 7188.2 microasec 7147.3 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0860 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to PINFLATS 7256 195109750.19 6.90 195109750.19 6.90 -183.28 5.50 -12.36 73.51 MOJAVE12 7222 to VNDNBERG 7223 351282428.39 6.71 351282428.38 6.71 -511.10 7.37 53.83 48.46 MOJAVE12 7222 to YUMA 7894 362912383.07 17.27 362912383.07 17.27 -2.14 13.40 276.64 141.36 PINFLATS 7256 to VNDNBERG 7223 397781360.05 9.00 397781360.05 9.00 -205.17 10.72 54.96 86.50 PINFLATS 7256 to YUMA 7894 222910441.94 14.56 222910441.93 14.56 -129.81 15.60 300.25 155.32 VNDNBERG 7223 to YUMA 7894 620341695.46 18.47 620341695.46 18.47 -340.38 19.77 237.99 148.82 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 MON_PEAK OVRO_130 YUMA NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:06 Correlator type: Unknown Experiment code: cdp83o Mark-3 db_name: $83NOV05X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831105_a Ver 2 cdp83o Matrix Condition Number = 5.322393946100925E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | MON_PEAK: GION | | OVRO_130: GION | | YUMA : GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for MON_PEAK is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for YUMA is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 9.6 3.4 839.1 0.5 49.4 4.9 MOJAVE12 MET 15.0 5.5 911.4 1.1 43.0 1.3 MON_PEAK MET 12.8 2.1 818.3 0.7 23.3 5.2 OVRO_130 MET 9.3 8.0 881.1 1.5 18.7 14.6 YUMA MET 20.3 3.8 984.5 0.6 8.0 21.2 Run 26091-1742 662 Observation Pairs Available Session started on: 2445644.246900 1983.11.05 17:55:32.160 UTC Nominal duration: 85389.120 sec 00 23:43:09.120 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 447 20.341 ps 0.82 0.9987 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 465 Number of potentially good observations with QC 5-9: 465 Number of used observations: 447 ( 96.13%) Number of suppressed observations: 18 ( 3.87%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 52 54 16.300 0.77 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT HRAS_085 MON_PEAK 41 42 38.936 0.87 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT HRAS_085 OVRO_130 40 43 13.070 0.70 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT HRAS_085 YUMA 32 32 93.844 0.91 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT MOJAVE12 MON_PEAK 67 70 28.384 0.82 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT MOJAVE12 OVRO_130 64 65 7.455 0.59 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT MOJAVE12 YUMA 42 43 93.793 0.92 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT MON_PEAK OVRO_130 53 59 60.356 0.93 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT MON_PEAK YUMA 14 14 98.992 0.94 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT OVRO_130 YUMA 42 43 90.661 0.90 19831105_a cdp83o 1983.11.06-05:47:06.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 34 36 49 28.333 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 0552+398 J0555+3948 42 42 46 23.705 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 0727-115 J0730-1141 17 18 30 21.697 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 1921-293 J1924-2914 7 7 20 18.935 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 2134+00 J2136+0041 31 32 48 20.085 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 3C120 J0433+0521 12 14 30 27.635 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 3C273B J1229+0203 39 39 47 9.686 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 3C279 J1256-0547 30 30 46 14.527 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 3C345 J1642+3948 26 26 31 8.386 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 3C418 J2038+5119 22 24 57 21.632 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 3C454.3 J2253+1608 38 38 55 19.051 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 3C84 J0319+4130 81 86 88 25.375 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: 4C39.25 J0927+3902 29 32 49 23.360 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: NRAO150 J0359+5057 31 31 49 22.423 19831105_a cdp83o 1983.11.06-05:47:06.720 SRC_STAT: NRAO530 J1733-1304 8 10 17 9.545 19831105_a cdp83o 1983.11.06-05:47:06.720 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.06-05:46:34 1. HRAS_085 7216 NOAM X Comp -1324211152.46 mm -135.465 mm 9.953 mm 9.946 mm 2. HRAS_085 7216 NOAM Y Comp -5332023058.44 mm 23.555 mm 22.165 mm 22.150 mm 3. HRAS_085 7216 NOAM Z Comp 3232118422.65 mm 115.648 mm 15.705 mm 15.694 mm HRAS_085 7216 U Comp 67.36 mm 67.357 mm 28.098 mm 23.180 mm HRAS_085 7216 E Comp -137.15 mm -137.148 mm 5.227 mm 4.312 mm HRAS_085 7216 N Comp 94.52 mm 94.516 mm 4.485 mm 3.700 mm 4. HRAS_085 AT 0 1983.11.05-17:54:59.976 -97.264 ps 47.935 ps 47.904 ps HRAS_085 Atm 1983.11.06-05:55:32.160 Avg: -52.537 ps Rms: 16.563 ps Tot_Rms: 55.086 ps || Nat: 68 Dura: 76470.0 sec Tzd_avg: 6712.2 Tzd_rms: 17.5 Wzd_avg: 342.5 Wzd_rms: 20.0 ps Prs_avg: 83906. Pa Tem_avg: 9.8 C Stm_avg: -3.5 C Stm_rms: 2.8 K Spr_avg: -6. Spr_rms: 65. Pa 77. HRAS_085 NG 1983.11.05-17:53:59.976 0.021 mm 0.422 mm 0.422 mm 78. HRAS_085 EG 1983.11.05-17:53:59.976 0.014 mm 0.422 mm 0.422 mm 79. HRAS_085 NG 1983.11.06-01:53:59.976 0.037 mm 0.377 mm 0.376 mm 80. HRAS_085 EG 1983.11.06-01:53:59.976 -0.003 mm 0.377 mm 0.376 mm 81. HRAS_085 NG 1983.11.06-09:53:59.976 0.029 mm 0.377 mm 0.376 mm 82. HRAS_085 EG 1983.11.06-09:53:59.976 -0.027 mm 0.376 mm 0.376 mm 83. HRAS_085 NG 1983.11.06-17:53:59.976 0.004 mm 0.422 mm 0.422 mm 84. HRAS_085 EG 1983.11.06-17:53:59.976 0.003 mm 0.422 mm 0.422 mm 85. MOJAVE12 7222 NOAM X Comp -2356171159.04 mm -63.037 mm 8.276 mm 8.271 mm 86. MOJAVE12 7222 NOAM Y Comp -4646755798.86 mm 33.138 mm 17.519 mm 17.507 mm 87. MOJAVE12 7222 NOAM Z Comp 3668470620.14 mm 39.141 mm 13.224 mm 13.216 mm MOJAVE12 7222 U Comp 21.78 mm 21.780 mm 23.115 mm 19.069 mm MOJAVE12 7222 E Comp -71.21 mm -71.209 mm 2.328 mm 1.921 mm MOJAVE12 7222 N Comp 32.54 mm 32.538 mm 3.245 mm 2.677 mm 88. MOJAVE12 CL 0 1983.11.05-17:54:59.976 -11038.081 ns 0.186 ns 0.185 ns 89. MOJAVE12 CL 1 1983.11.05-17:54:59.976 -521.294 D-14 2.163 D-14 2.162 D-14 90. MOJAVE12 CL 2 1983.11.05-17:54:59.976 -6.044 D-14/day 2.031 D-14/day 2.029 D-14/day 115. MOJAVE12 AT 0 1983.11.05-17:54:59.976 3.199 ps 75.185 ps 75.135 ps MOJAVE12 Atm 1983.11.06-05:55:32.160 Avg: 17.613 ps Rms: 16.926 ps Tot_Rms: 24.428 ps || Nat: 88 Dura: 85392.0 sec Tzd_avg: 7231.5 Tzd_rms: 24.0 Wzd_avg: 328.1 Wzd_rms: 25.6 ps Prs_avg: 91156. Pa Tem_avg: 15.2 C Stm_avg: -1.2 C Stm_rms: 3.1 K Spr_avg: 177. Spr_rms: 85. Pa 188. MOJAVE12 NG 1983.11.05-17:53:59.976 -0.013 mm 0.420 mm 0.420 mm 189. MOJAVE12 EG 1983.11.05-17:53:59.976 0.039 mm 0.419 mm 0.418 mm 190. MOJAVE12 NG 1983.11.06-01:53:59.976 -0.080 mm 0.376 mm 0.375 mm 191. MOJAVE12 EG 1983.11.06-01:53:59.976 0.021 mm 0.375 mm 0.375 mm 192. MOJAVE12 NG 1983.11.06-09:53:59.976 -0.021 mm 0.376 mm 0.376 mm 193. MOJAVE12 EG 1983.11.06-09:53:59.976 -0.024 mm 0.374 mm 0.374 mm 194. MOJAVE12 NG 1983.11.06-17:53:59.976 0.102 mm 0.420 mm 0.420 mm 195. MOJAVE12 EG 1983.11.06-17:53:59.976 -0.046 mm 0.419 mm 0.419 mm 196. MON_PEAK 7274 PCFC X Comp -2386289518.87 mm 205.127 mm 13.342 mm 13.333 mm 197. MON_PEAK 7274 PCFC Y Comp -4802346627.41 mm -414.413 mm 27.584 mm 27.566 mm 198. MON_PEAK 7274 PCFC Z Comp 3444883956.47 mm -135.532 mm 20.221 mm 20.208 mm MON_PEAK 7274 U Comp 161.38 mm 161.381 mm 36.271 mm 29.921 mm MON_PEAK 7274 E Comp 368.11 mm 368.108 mm 3.111 mm 2.566 mm MON_PEAK 7274 N Comp -265.77 mm -265.775 mm 4.744 mm 3.914 mm 199. MON_PEAK CL 0 1983.11.05-17:54:59.976 -357.129 ns 0.401 ns 0.401 ns 200. MON_PEAK CL 1 1983.11.05-17:54:59.976 -108.776 D-14 2.586 D-14 2.584 D-14 201. MON_PEAK CL 2 1983.11.05-17:54:59.976 0.909 D-14/day 2.295 D-14/day 2.294 D-14/day 226. MON_PEAK AT 0 1983.11.05-17:54:59.976 -100.369 ps 95.594 ps 95.531 ps MON_PEAK Atm 1983.11.06-05:55:32.160 Avg: -100.418 ps Rms: 19.163 ps Tot_Rms: 102.230 ps || Nat: 84 Dura: 81712.0 sec Tzd_avg: 6409.7 Tzd_rms: 15.2 Wzd_avg: 208.9 Wzd_rms: 16.0 ps Prs_avg: 81833. Pa Tem_avg: 13.2 C Stm_avg: -1.4 C Stm_rms: 2.4 K Spr_avg: 192. Spr_rms: 53. Pa 299. MON_PEAK NG 1983.11.05-17:53:59.976 -0.002 mm 0.422 mm 0.422 mm 300. MON_PEAK EG 1983.11.05-17:53:59.976 -0.033 mm 0.422 mm 0.422 mm 301. MON_PEAK NG 1983.11.06-01:53:59.976 0.026 mm 0.377 mm 0.376 mm 302. MON_PEAK EG 1983.11.06-01:53:59.976 0.018 mm 0.377 mm 0.376 mm 303. MON_PEAK NG 1983.11.06-09:53:59.976 0.012 mm 0.377 mm 0.377 mm 304. MON_PEAK EG 1983.11.06-09:53:59.976 -0.000 mm 0.376 mm 0.376 mm 305. MON_PEAK NG 1983.11.06-17:53:59.976 -0.023 mm 0.422 mm 0.422 mm 306. MON_PEAK EG 1983.11.06-17:53:59.976 0.019 mm 0.422 mm 0.421 mm 307. OVRO_130 7207 NOAM X Comp -2409600919.99 mm -32.991 mm 8.630 mm 8.625 mm 308. OVRO_130 7207 NOAM Y Comp -4478349474.38 mm -10.378 mm 17.893 mm 17.881 mm 309. OVRO_130 7207 NOAM Z Comp 3838603239.26 mm 51.264 mm 13.451 mm 13.442 mm OVRO_130 7207 U Comp 50.74 mm 50.739 mm 23.487 mm 19.376 mm OVRO_130 7207 E Comp -24.14 mm -24.135 mm 2.893 mm 2.386 mm OVRO_130 7207 N Comp 25.83 mm 25.829 mm 3.941 mm 3.251 mm 310. OVRO_130 CL 0 1983.11.05-17:54:59.976 4589.887 ns 0.182 ns 0.182 ns 311. OVRO_130 CL 1 1983.11.05-17:54:59.976 -27.960 D-14 2.180 D-14 2.179 D-14 312. OVRO_130 CL 2 1983.11.05-17:54:59.976 -1.924 D-14/day 2.085 D-14/day 2.084 D-14/day 337. OVRO_130 AT 0 1983.11.05-17:54:59.976 57.113 ps 78.108 ps 78.056 ps OVRO_130 Atm 1983.11.06-05:55:32.160 Avg: -12.555 ps Rms: 41.039 ps Tot_Rms: 42.917 ps || Nat: 82 Dura: 82632.0 sec Tzd_avg: 7000.6 Tzd_rms: 32.4 Wzd_avg: 328.9 Wzd_rms: 24.3 ps Prs_avg: 88126. Pa Tem_avg: 9.0 C Stm_avg: -9.2 C Stm_rms: 6.0 K Spr_avg: 166. Spr_rms: 61. Pa 410. OVRO_130 NG 1983.11.05-17:53:59.976 -0.009 mm 0.421 mm 0.421 mm 411. OVRO_130 EG 1983.11.05-17:53:59.976 -0.015 mm 0.419 mm 0.419 mm 412. OVRO_130 NG 1983.11.06-01:53:59.976 0.035 mm 0.376 mm 0.376 mm 413. OVRO_130 EG 1983.11.06-01:53:59.976 -0.034 mm 0.376 mm 0.375 mm 414. OVRO_130 NG 1983.11.06-09:53:59.976 0.005 mm 0.376 mm 0.376 mm 415. OVRO_130 EG 1983.11.06-09:53:59.976 0.022 mm 0.375 mm 0.374 mm 416. OVRO_130 NG 1983.11.06-17:53:59.976 -0.074 mm 0.420 mm 0.420 mm 417. OVRO_130 EG 1983.11.06-17:53:59.976 0.003 mm 0.420 mm 0.420 mm 418. YUMA 7894 NOAM X Comp -2196778048.63 mm 26.366 mm 23.508 mm 23.493 mm 419. YUMA 7894 NOAM Y Comp -4887336849.90 mm 368.097 mm 52.906 mm 52.871 mm 420. YUMA 7894 NOAM Z Comp 3448425193.48 mm -70.520 mm 38.354 mm 38.329 mm YUMA 7894 U Comp -329.19 mm -329.186 mm 68.661 mm 56.641 mm YUMA 7894 E Comp -126.86 mm -126.861 mm 5.173 mm 4.267 mm YUMA 7894 N Comp 129.25 mm 129.252 mm 9.034 mm 7.453 mm 421. YUMA CL 0 1983.11.05-17:54:59.976 7908.370 ns 0.403 ns 0.403 ns 422. YUMA CL 1 1983.11.05-17:54:59.976 -93.664 D-14 2.364 D-14 2.363 D-14 423. YUMA CL 2 1983.11.05-17:54:59.976 -2.181 D-14/day 2.502 D-14/day 2.501 D-14/day 448. YUMA AT 0 1983.11.05-17:54:59.976 221.458 ps 137.375 ps 137.284 ps YUMA Atm 1983.11.06-05:55:32.160 Avg: 255.801 ps Rms: 42.955 ps Tot_Rms: 259.383 ps || Nat: 64 Dura: 69960.0 sec Tzd_avg: 7889.3 Tzd_rms: 38.6 Wzd_avg: 430.1 Wzd_rms: 36.5 ps Prs_avg: 98448. Pa Tem_avg: 20.4 C Stm_avg: -2.3 C Stm_rms: 1.8 K Spr_avg: 106. Spr_rms: 21. Pa 521. YUMA NG 1983.11.05-17:53:59.976 0.010 mm 0.422 mm 0.422 mm 522. YUMA EG 1983.11.05-17:53:59.976 -0.011 mm 0.422 mm 0.422 mm 523. YUMA NG 1983.11.06-01:53:59.976 -0.004 mm 0.377 mm 0.377 mm 524. YUMA EG 1983.11.06-01:53:59.976 -0.013 mm 0.377 mm 0.377 mm 525. YUMA NG 1983.11.06-09:53:59.976 -0.015 mm 0.377 mm 0.377 mm 526. YUMA EG 1983.11.06-09:53:59.976 0.005 mm 0.377 mm 0.377 mm 527. YUMA NG 1983.11.06-17:53:59.976 -0.009 mm 0.422 mm 0.422 mm 528. YUMA EG 1983.11.06-17:53:59.976 0.012 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.71 ps/h NRMS 0.31 share 0.85 count 73 2. MOJAVE12 Input 50.00 ps/h RMS 14.74 ps/h NRMS 0.29 share 0.77 count 73 3. MON_PEAK Input 50.00 ps/h RMS 11.06 ps/h NRMS 0.22 share 0.89 count 73 4. OVRO_130 Input 50.00 ps/h RMS 13.55 ps/h NRMS 0.27 share 0.79 count 73 5. YUMA Input 50.00 ps/h RMS 11.90 ps/h NRMS 0.24 share 0.95 count 73 Overall RMS 13.50 ps/h NRMS 0.27 share 0.85 count 365 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.20 mm/d NRMS 0.10 share 0.53 count 8 3. MON_PEAK Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 4. OVRO_130 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 5. YUMA Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.12 mm/d NRMS 0.06 share 0.53 count 40 Clock Constraint Statistics 2. MOJAVE12 Input 5.00 D-14 RMS 1.22 D-14 NRMS 0.24 share 0.23 count 25 3. MON_PEAK Input 5.00 D-14 RMS 2.14 D-14 NRMS 0.43 share 0.33 count 25 4. OVRO_130 Input 5.00 D-14 RMS 1.34 D-14 NRMS 0.27 share 0.32 count 25 5. YUMA Input 5.00 D-14 RMS 3.56 D-14 NRMS 0.71 share 0.55 count 25 Overall RMS 2.27 D-14 NRMS 0.45 share 0.36 count 100 529. UT1-TAI 1, 1983.11.06-05:47:00.000 -2.1791 ms/d 418.69 micros/d 508.75 micros/d 508.41 micros/d EOP epoch (TDT) MJD: 45644.241345 NUT epoch (TDT) MJD: 45644.264529 530. Nutation DPSI wrt apriori model 1983.11.06-05:46:34.536 -7.482 mas 4179.7 microasec 4176.9 microasec Nutation Dx wrt apriori model 1983.11.06-05:46:34.536 -2.973 mas 1659.8 microasec 1658.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.06-05:46:34.536 -9.902 mas 4179.7 microasec 4176.9 microasec 531. Nutation DEPS wrt apriori model 1983.11.06-05:46:34.536 -0.856 mas 812.7 microasec 812.2 microasec Nutation Dy wrt apriori model 1983.11.06-05:46:34.536 -0.866 mas 818.7 microasec 818.2 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.06-05:46:34.536 1.243 mas 812.7 microasec 812.2 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0742 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.06 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368155.73 5.03 1313368155.73 5.03 -16.22 5.00 70.34 30.94 HRAS_085 7216 to MON_PEAK 7274 1205751529.28 6.33 1205751529.28 6.33 -262.61 6.82 -117.78 47.72 HRAS_085 7216 to OVRO_130 7207 1508195401.26 5.70 1508195401.26 5.70 8.06 5.17 40.11 29.84 HRAS_085 7216 to YUMA 7894 1002949366.35 9.30 1002949366.35 9.30 49.66 11.64 419.88 88.17 MOJAVE12 7222 to MON_PEAK 7274 274055866.02 5.60 274055866.02 5.60 -387.90 3.64 -132.19 41.43 MOJAVE12 7222 to OVRO_130 7207 245276451.32 3.17 245276451.32 3.17 37.79 2.24 -27.03 20.90 MOJAVE12 7222 to YUMA 7894 362912380.00 9.98 362912380.00 9.98 -21.25 9.12 343.86 86.50 MON_PEAK 7274 to OVRO_130 7207 510423794.75 6.32 510423794.75 6.32 -276.24 3.93 96.20 42.78 MON_PEAK 7274 to YUMA 7894 207726925.63 7.20 207726925.63 7.20 -408.37 12.04 499.28 93.08 OVRO_130 7207 to YUMA 7894 603989366.90 11.34 603989366.90 11.34 22.33 8.68 369.52 86.72 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:09 Correlator type: Unknown Experiment code: pol140 Mark-3 db_name: $83NOV06X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831106_a Ver 2 pol140 Matrix Condition Number = 9.055565539153408E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 10.3 4.9 840.6 0.8 44.7 2.8 WESTFORD MET 5.5 1.6 996.9 2.3 89.2 46.5 Run 26091-1742 222 Observation Pairs Available Session started on: 2445645.222900 1983.11.06 17:20:58.560 UTC Nominal duration: 87670.080 sec 01 00:21:10.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 205 56.766 ps 0.87 1.0094 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 205 Number of potentially good observations with QC 5-9: 205 Number of used observations: 205 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 205 205 56.766 0.87 19831106_a pol140 1983.11.07-05:31:33.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 11 54.875 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 0212+735 J0217+7349 11 11 12 134.580 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 0234+285 J0237+2848 15 15 15 51.118 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 0552+398 J0555+3948 18 18 18 57.689 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 1637+574 J1638+5720 20 20 23 93.975 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 2134+00 J2136+0041 10 10 13 36.214 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 3C273B J1229+0203 15 15 15 30.322 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 3C345 J1642+3948 20 20 20 23.707 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 3C454.3 J2253+1608 13 13 13 38.311 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: 4C39.25 J0927+3902 10 10 18 71.674 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: NRAO150 J0359+5057 19 19 19 106.573 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: OJ287 J0854+2006 14 14 14 27.306 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: OQ208 J1407+2827 18 18 18 114.312 19831106_a pol140 1983.11.07-05:31:33.600 SRC_STAT: VR422201 J2202+4216 11 11 13 70.897 19831106_a pol140 1983.11.07-05:31:33.600 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.07-05:31:01 1. HRAS_085 7216 NOAM X Comp -1324211067.48 mm -50.481 mm 3.853 mm 3.871 mm 2. HRAS_085 7216 NOAM Y Comp -5332023143.83 mm -61.826 mm 14.318 mm 14.385 mm 3. HRAS_085 7216 NOAM Z Comp 3232118406.95 mm 99.954 mm 10.281 mm 10.329 mm HRAS_085 7216 U Comp 113.03 mm 113.033 mm 17.397 mm 15.185 mm HRAS_085 7216 E Comp -34.09 mm -34.091 mm 3.491 mm 3.047 mm HRAS_085 7216 N Comp 49.22 mm 49.224 mm 3.268 mm 2.853 mm 4. HRAS_085 CL 0 1983.11.06-17:20:26.376 260.764 ns 0.200 ns 0.201 ns 5. HRAS_085 CL 1 1983.11.06-17:20:26.376 -5.983 D-14 2.079 D-14 2.089 D-14 6. HRAS_085 CL 2 1983.11.06-17:20:26.376 3.313 D-14/day 1.743 D-14/day 1.752 D-14/day 32. HRAS_085 AT 0 1983.11.06-17:20:26.376 -102.745 ps 73.558 ps 73.904 ps HRAS_085 Atm 1983.11.07-05:50:58.560 Avg: -109.941 ps Rms: 43.113 ps Tot_Rms: 118.092 ps || Nat: 222 Dura: 87670.0 sec Tzd_avg: 6631.4 Tzd_rms: 24.8 Wzd_avg: 249.4 Wzd_rms: 26.8 ps Prs_avg: 84056. Pa Tem_avg: 10.3 C Stm_avg: -4.7 C Stm_rms: 3.0 K Spr_avg: 23. Spr_rms: 45. Pa 108. HRAS_085 NG 1983.11.06-17:19:26.376 -0.005 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1983.11.06-17:19:26.376 -0.022 mm 0.422 mm 0.424 mm 110. HRAS_085 NG 1983.11.07-01:19:26.376 0.004 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1983.11.07-01:19:26.376 -0.015 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1983.11.07-09:19:26.376 0.005 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1983.11.07-09:19:26.376 -0.003 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1983.11.07-17:19:26.376 0.010 mm 0.422 mm 0.424 mm 115. HRAS_085 EG 1983.11.07-17:19:26.376 0.011 mm 0.422 mm 0.424 mm 116. WESTFORD 7209 NOAM X Comp 1492206593.48 mm 50.481 mm 3.853 mm 3.871 mm 117. WESTFORD 7209 NOAM Y Comp -4458130460.17 mm 61.826 mm 14.318 mm 14.385 mm 118. WESTFORD 7209 NOAM Z Comp 4296015447.05 mm -99.954 mm 10.281 mm 10.329 mm WESTFORD 7209 U Comp -99.03 mm -99.029 mm 16.284 mm 14.213 mm WESTFORD 7209 E Comp 67.50 mm 67.495 mm 7.186 mm 6.272 mm WESTFORD 7209 N Comp -44.71 mm -44.715 mm 2.958 mm 2.582 mm 119. WESTFORD AT 0 1983.11.06-17:20:26.376 35.726 ps 37.972 ps 38.150 ps WESTFORD Atm 1983.11.07-05:50:58.560 Avg: 29.699 ps Rms: 32.828 ps Tot_Rms: 44.269 ps || Nat: 222 Dura: 87670.0 sec Tzd_avg: 7774.2 Tzd_rms: 23.2 Wzd_avg: 228.8 Wzd_rms: 24.1 ps Prs_avg: 99687. Pa Tem_avg: 5.5 C Stm_avg: 0.2 C Stm_rms: 0.9 K Spr_avg: 211. Spr_rms: 29. Pa 195. WESTFORD NG 1983.11.06-17:19:26.376 -0.009 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1983.11.06-17:19:26.376 0.014 mm 0.422 mm 0.424 mm 197. WESTFORD NG 1983.11.07-01:19:26.376 -0.012 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1983.11.07-01:19:26.376 0.016 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1983.11.07-09:19:26.376 -0.008 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1983.11.07-09:19:26.376 0.013 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1983.11.07-17:19:26.376 -0.005 mm 0.422 mm 0.424 mm 202. WESTFORD EG 1983.11.07-17:19:26.376 -0.023 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.40 ps/h NRMS 0.25 share 0.89 count 76 2. WESTFORD Input 50.00 ps/h RMS 21.54 ps/h NRMS 0.43 share 0.81 count 76 Overall RMS 17.58 ps/h NRMS 0.35 share 0.85 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.44 D-14 NRMS 0.49 share 0.23 count 26 Overall RMS 2.44 D-14 NRMS 0.49 share 0.23 count 26 203. UT1-TAI 1, 1983.11.07-05:31:00.000 -2.1323 ms/d 212.97 micros/d 163.35 micros/d 164.11 micros/d EOP epoch (TDT) MJD: 45645.230234 NUT epoch (TDT) MJD: 45645.243582 204. Nutation DPSI wrt apriori model 1983.11.07-05:31:01.416 -1.610 mas 1803.9 microasec 1812.4 microasec Nutation Dx wrt apriori model 1983.11.07-05:31:01.416 -0.640 mas 715.0 microasec 718.4 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.07-05:31:01.416 -3.945 mas 1803.9 microasec 1812.4 microasec 205. Nutation DEPS wrt apriori model 1983.11.07-05:31:01.416 -0.243 mas 715.0 microasec 718.3 microasec Nutation Dy wrt apriori model 1983.11.07-05:31:01.416 -0.245 mas 717.5 microasec 720.9 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.07-05:31:01.416 1.862 mas 715.0 microasec 718.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0821 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928033.53 8.54 3134928033.53 8.54 120.29 5.06 218.38 34.69 NNT_POS: 5 stations participated in NNT_POS constraints: BLKBUTTE HRAS_085 MOJAVE12 MON_PEAK VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:12 Correlator type: Unknown Experiment code: cdp83p Mark-3 db_name: $83NOV08X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831108_a Ver 2 cdp83p Matrix Condition Number = 1.054156691481110E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- BLKBUTTE: GION | | HRAS_085: GION | | MOJAVE12: GION | | MON_PEAK: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for BLKBUTTE is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for MON_PEAK is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms BLKBUTTE MET 14.5 4.3 957.0 2.4 8.9 0.8 HRAS_085 MET 14.6 3.0 836.7 1.0 38.8 6.4 MOJAVE12 MET 7.8 5.4 913.6 1.4 41.6 0.5 MON_PEAK MET 10.2 2.3 816.3 1.3 6.2 5.4 VNDNBERG MET 15.7 3.0 1017.9 0.8 57.3 8.3 Run 26091-1742 690 Observation Pairs Available Session started on: 2445647.150900 1983.11.08 15:37:17.760 UTC Nominal duration: 68662.080 sec 00 19:04:22.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 423 34.088 ps 0.85 1.0008 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 452 Number of potentially good observations with QC 5-9: 452 Number of used observations: 423 ( 93.58%) Number of suppressed observations: 29 ( 6.42%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps BLKBUTTE HRAS_085 41 41 121.312 0.89 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT BLKBUTTE MOJAVE12 39 41 126.224 0.92 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT BLKBUTTE MON_PEAK 12 12 115.906 0.93 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT BLKBUTTE VNDNBERG 10 10 71.808 0.84 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT HRAS_085 MOJAVE12 73 76 21.660 0.77 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT HRAS_085 MON_PEAK 66 72 54.534 0.91 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT HRAS_085 VNDNBERG 48 56 51.309 0.90 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT MOJAVE12 MON_PEAK 63 70 21.982 0.79 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT MOJAVE12 VNDNBERG 47 49 24.177 0.76 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT MON_PEAK VNDNBERG 24 25 67.528 0.94 19831108_a cdp83p 1983.11.09-01:09:28.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 15 16 37 27.193 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 0552+398 J0555+3948 24 25 36 46.288 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 0727-115 J0730-1141 6 6 19 23.616 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 1921-293 J1924-2914 15 17 19 33.212 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 2134+00 J2136+0041 43 46 67 40.892 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 3C120 J0433+0521 8 9 24 71.260 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 3C273B J1229+0203 36 38 48 26.690 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 3C279 J1256-0547 21 24 43 26.079 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 3C345 J1642+3948 47 48 67 27.497 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 3C418 J2038+5119 18 21 48 55.870 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 3C454.3 J2253+1608 22 23 34 29.001 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 3C84 J0319+4130 81 83 92 31.452 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: 4C39.25 J0927+3902 19 19 38 35.007 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: NRAO150 J0359+5057 45 46 69 48.380 19831108_a cdp83p 1983.11.09-01:09:28.800 SRC_STAT: NRAO530 J1733-1304 23 31 49 31.948 19831108_a cdp83p 1983.11.09-01:09:28.800 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.09-01:08:56 1. BLKBUTTE 7269 NOAM X Comp -2306307117.62 mm -24.615 mm 46.752 mm 46.770 mm 2. BLKBUTTE 7269 NOAM Y Comp -4787914176.90 mm 198.104 mm 101.146 mm 101.187 mm 3. BLKBUTTE 7269 NOAM Z Comp 3515736432.04 mm 108.045 mm 69.688 mm 69.716 mm BLKBUTTE 7269 U Comp -79.77 mm -79.765 mm 129.850 mm 110.838 mm BLKBUTTE 7269 E Comp -108.15 mm -108.148 mm 11.937 mm 10.189 mm BLKBUTTE 7269 N Comp 182.94 mm 182.938 mm 16.406 mm 14.004 mm 4. BLKBUTTE CL 0 1983.11.08-15:36:45.576 9871.592 ns 0.785 ns 0.785 ns 5. BLKBUTTE CL 1 1983.11.08-15:36:45.576 -94.934 D-14 2.616 D-14 2.617 D-14 6. BLKBUTTE CL 2 1983.11.08-15:36:45.576 -0.926 D-14/day 2.914 D-14/day 2.916 D-14/day 27. BLKBUTTE AT 0 1983.11.08-15:36:45.576 58.296 ps 281.194 ps 281.307 ps BLKBUTTE Atm 1983.11.09-01:37:17.760 Avg: 33.651 ps Rms: 13.546 ps Tot_Rms: 36.276 ps || Nat: 69 Dura: 66670.0 sec Tzd_avg: 7376.9 Tzd_rms: 13.8 Wzd_avg: 111.2 Wzd_rms: 9.6 ps Prs_avg: 95685. Pa Tem_avg: 14.7 C Stm_avg: -1.0 C Stm_rms: 2.6 K Spr_avg: 37. Spr_rms: 86. Pa 88. BLKBUTTE NG 1983.11.08-15:35:45.576 -0.015 mm 0.423 mm 0.423 mm 89. BLKBUTTE EG 1983.11.08-15:35:45.576 -0.016 mm 0.423 mm 0.423 mm 90. BLKBUTTE NG 1983.11.08-23:35:45.576 0.000 mm 0.381 mm 0.381 mm 91. BLKBUTTE EG 1983.11.08-23:35:45.576 -0.001 mm 0.381 mm 0.381 mm 92. BLKBUTTE NG 1983.11.09-07:35:45.576 0.012 mm 0.423 mm 0.423 mm 93. BLKBUTTE EG 1983.11.09-07:35:45.576 0.024 mm 0.423 mm 0.423 mm 94. HRAS_085 7216 NOAM X Comp -1324211200.67 mm -183.673 mm 14.098 mm 14.104 mm 95. HRAS_085 7216 NOAM Y Comp -5332022957.95 mm 124.054 mm 30.193 mm 30.205 mm 96. HRAS_085 7216 NOAM Z Comp 3232118495.30 mm 188.296 mm 20.911 mm 20.919 mm HRAS_085 7216 U Comp 30.45 mm 30.455 mm 38.173 mm 32.584 mm HRAS_085 7216 E Comp -208.16 mm -208.158 mm 7.778 mm 6.639 mm HRAS_085 7216 N Comp 200.81 mm 200.806 mm 5.472 mm 4.671 mm 97. HRAS_085 AT 0 1983.11.08-15:36:45.576 -84.881 ps 76.962 ps 76.993 ps HRAS_085 Atm 1983.11.09-01:37:17.760 Avg: -114.068 ps Rms: 20.376 ps Tot_Rms: 115.873 ps || Nat: 88 Dura: 67238.0 sec Tzd_avg: 6683.9 Tzd_rms: 26.8 Wzd_avg: 331.4 Wzd_rms: 32.0 ps Prs_avg: 83671. Pa Tem_avg: 14.7 C Stm_avg: -1.4 C Stm_rms: 1.7 K Spr_avg: -11. Spr_rms: 61. Pa 158. HRAS_085 NG 1983.11.08-15:35:45.576 0.011 mm 0.423 mm 0.423 mm 159. HRAS_085 EG 1983.11.08-15:35:45.576 0.018 mm 0.422 mm 0.423 mm 160. HRAS_085 NG 1983.11.08-23:35:45.576 0.027 mm 0.381 mm 0.381 mm 161. HRAS_085 EG 1983.11.08-23:35:45.576 -0.008 mm 0.381 mm 0.381 mm 162. HRAS_085 NG 1983.11.09-07:35:45.576 0.052 mm 0.422 mm 0.422 mm 163. HRAS_085 EG 1983.11.09-07:35:45.576 -0.059 mm 0.421 mm 0.422 mm 164. MOJAVE12 7222 NOAM X Comp -2356171203.96 mm -107.964 mm 14.049 mm 14.055 mm 165. MOJAVE12 7222 NOAM Y Comp -4646755680.66 mm 151.339 mm 30.043 mm 30.055 mm 166. MOJAVE12 7222 NOAM Z Comp 3668470684.29 mm 103.292 mm 21.245 mm 21.254 mm MOJAVE12 7222 U Comp -10.55 mm -10.550 mm 38.856 mm 33.167 mm MOJAVE12 7222 E Comp -164.73 mm -164.734 mm 3.933 mm 3.357 mm MOJAVE12 7222 N Comp 134.09 mm 134.090 mm 5.103 mm 4.356 mm 167. MOJAVE12 CL 0 1983.11.08-15:36:45.576 -12181.004 ns 0.368 ns 0.368 ns 168. MOJAVE12 CL 1 1983.11.08-15:36:45.576 -545.230 D-14 2.869 D-14 2.870 D-14 169. MOJAVE12 CL 2 1983.11.08-15:36:45.576 -6.796 D-14/day 2.989 D-14/day 2.990 D-14/day 190. MOJAVE12 AT 0 1983.11.08-15:36:45.576 -9.786 ps 75.415 ps 75.445 ps MOJAVE12 Atm 1983.11.09-01:37:17.760 Avg: -4.828 ps Rms: 20.891 ps Tot_Rms: 21.442 ps || Nat: 82 Dura: 61710.0 sec Tzd_avg: 7039.8 Tzd_rms: 32.4 Wzd_avg: 111.5 Wzd_rms: 28.1 ps Prs_avg: 91358. Pa Tem_avg: 7.9 C Stm_avg: -3.9 C Stm_rms: 4.9 K Spr_avg: 147. Spr_rms: 68. Pa 251. MOJAVE12 NG 1983.11.08-15:35:45.576 0.043 mm 0.422 mm 0.422 mm 252. MOJAVE12 EG 1983.11.08-15:35:45.576 0.064 mm 0.422 mm 0.422 mm 253. MOJAVE12 NG 1983.11.08-23:35:45.576 -0.055 mm 0.381 mm 0.381 mm 254. MOJAVE12 EG 1983.11.08-23:35:45.576 0.022 mm 0.381 mm 0.381 mm 255. MOJAVE12 NG 1983.11.09-07:35:45.576 -0.082 mm 0.421 mm 0.421 mm 256. MOJAVE12 EG 1983.11.09-07:35:45.576 -0.085 mm 0.420 mm 0.420 mm 257. MON_PEAK 7274 PCFC X Comp -2386289554.62 mm 169.381 mm 19.422 mm 19.429 mm 258. MON_PEAK 7274 PCFC Y Comp -4802346457.44 mm -244.435 mm 40.420 mm 40.436 mm 259. MON_PEAK 7274 PCFC Z Comp 3444883992.59 mm -99.405 mm 28.589 mm 28.601 mm MON_PEAK 7274 U Comp 66.54 mm 66.537 mm 52.662 mm 44.952 mm MON_PEAK 7274 E Comp 260.46 mm 260.458 mm 4.723 mm 4.032 mm MON_PEAK 7274 N Comp -161.41 mm -161.413 mm 5.717 mm 4.880 mm 260. MON_PEAK CL 0 1983.11.08-15:36:45.576 -433.994 ns 0.325 ns 0.325 ns 261. MON_PEAK CL 1 1983.11.08-15:36:45.576 -113.522 D-14 2.468 D-14 2.469 D-14 262. MON_PEAK CL 2 1983.11.08-15:36:45.576 -2.095 D-14/day 2.716 D-14/day 2.717 D-14/day 283. MON_PEAK AT 0 1983.11.08-15:36:45.576 8.490 ps 109.847 ps 109.891 ps MON_PEAK Atm 1983.11.09-01:37:17.760 Avg: -13.522 ps Rms: 27.179 ps Tot_Rms: 30.357 ps || Nat: 86 Dura: 66408.0 sec Tzd_avg: 6257.1 Tzd_rms: 25.2 Wzd_avg: 65.4 Wzd_rms: 20.3 ps Prs_avg: 81629. Pa Tem_avg: 10.2 C Stm_avg: -0.4 C Stm_rms: 2.1 K Spr_avg: 170. Spr_rms: 53. Pa 344. MON_PEAK NG 1983.11.08-15:35:45.576 -0.047 mm 0.422 mm 0.422 mm 345. MON_PEAK EG 1983.11.08-15:35:45.576 -0.050 mm 0.422 mm 0.422 mm 346. MON_PEAK NG 1983.11.08-23:35:45.576 0.018 mm 0.381 mm 0.381 mm 347. MON_PEAK EG 1983.11.08-23:35:45.576 -0.014 mm 0.381 mm 0.381 mm 348. MON_PEAK NG 1983.11.09-07:35:45.576 0.011 mm 0.422 mm 0.422 mm 349. MON_PEAK EG 1983.11.09-07:35:45.576 0.066 mm 0.422 mm 0.422 mm 350. VNDNBERG 7223 PCFC X Comp -2678094900.13 mm 146.871 mm 18.994 mm 19.001 mm 351. VNDNBERG 7223 PCFC Y Comp -4525450729.06 mm -229.061 mm 35.861 mm 35.875 mm 352. VNDNBERG 7223 PCFC Z Comp 3597410115.77 mm -300.227 mm 27.276 mm 27.287 mm VNDNBERG 7223 U Comp -69.55 mm -69.546 mm 48.120 mm 41.074 mm VNDNBERG 7223 E Comp 243.06 mm 243.055 mm 6.303 mm 5.380 mm VNDNBERG 7223 N Comp -316.65 mm -316.645 mm 5.962 mm 5.089 mm 353. VNDNBERG CL 0 1983.11.08-15:36:45.576 68712.559 ns 0.290 ns 0.290 ns 354. VNDNBERG CL 1 1983.11.08-15:36:45.576 -41.075 D-14 2.584 D-14 2.585 D-14 355. VNDNBERG CL 2 1983.11.08-15:36:45.576 0.264 D-14/day 3.147 D-14/day 3.149 D-14/day 376. VNDNBERG AT 0 1983.11.08-15:36:45.576 67.254 ps 86.856 ps 86.891 ps VNDNBERG Atm 1983.11.09-01:37:17.760 Avg: -17.079 ps Rms: 68.050 ps Tot_Rms: 70.160 ps || Nat: 84 Dura: 68658.0 sec Tzd_avg: 7935.7 Tzd_rms: 84.9 Wzd_avg: 236.8 Wzd_rms: 80.5 ps Prs_avg: 101789. Pa Tem_avg: 15.6 C Stm_avg: -1.2 C Stm_rms: 2.9 K Spr_avg: 361. Spr_rms: 43. Pa 437. VNDNBERG NG 1983.11.08-15:35:45.576 0.005 mm 0.422 mm 0.423 mm 438. VNDNBERG EG 1983.11.08-15:35:45.576 -0.020 mm 0.422 mm 0.422 mm 439. VNDNBERG NG 1983.11.08-23:35:45.576 0.001 mm 0.381 mm 0.381 mm 440. VNDNBERG EG 1983.11.08-23:35:45.576 -0.009 mm 0.381 mm 0.381 mm 441. VNDNBERG NG 1983.11.09-07:35:45.576 0.012 mm 0.422 mm 0.422 mm 442. VNDNBERG EG 1983.11.09-07:35:45.576 0.032 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. BLKBUTTE Input 50.00 ps/h RMS 9.17 ps/h NRMS 0.18 share 0.96 count 61 2. HRAS_085 Input 50.00 ps/h RMS 19.74 ps/h NRMS 0.39 share 0.84 count 61 3. MOJAVE12 Input 50.00 ps/h RMS 25.57 ps/h NRMS 0.51 share 0.79 count 61 4. MON_PEAK Input 50.00 ps/h RMS 21.38 ps/h NRMS 0.43 share 0.87 count 61 5. VNDNBERG Input 50.00 ps/h RMS 21.36 ps/h NRMS 0.43 share 0.89 count 61 Overall RMS 20.20 ps/h NRMS 0.40 share 0.87 count 305 Gradient Constraint Statistics 1. BLKBUTTE Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.57 count 6 2. HRAS_085 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.57 count 6 3. MOJAVE12 Input 2.00 mm/d RMS 0.23 mm/d NRMS 0.12 share 0.56 count 6 4. MON_PEAK Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.57 count 6 5. VNDNBERG Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.57 count 6 Overall RMS 0.14 mm/d NRMS 0.07 share 0.57 count 30 Clock Constraint Statistics 1. BLKBUTTE Input 5.00 D-14 RMS 3.22 D-14 NRMS 0.64 share 0.55 count 21 3. MOJAVE12 Input 5.00 D-14 RMS 1.66 D-14 NRMS 0.33 share 0.30 count 21 4. MON_PEAK Input 5.00 D-14 RMS 2.29 D-14 NRMS 0.46 share 0.29 count 21 5. VNDNBERG Input 5.00 D-14 RMS 3.33 D-14 NRMS 0.67 share 0.37 count 21 Overall RMS 2.71 D-14 NRMS 0.54 share 0.38 count 84 443. UT1-TAI 1, 1983.11.09-01:09:00.000 -2.9157 ms/d -884.33 micros/d 568.00 micros/d 568.23 micros/d EOP epoch (TDT) MJD: 45647.048289 NUT epoch (TDT) MJD: 45647.072282 444. Nutation DPSI wrt apriori model 1983.11.09-01:08:56.616 1.530 mas 3734.4 microasec 3735.9 microasec Nutation Dx wrt apriori model 1983.11.09-01:08:56.616 0.622 mas 1481.3 microasec 1481.9 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.09-01:08:56.616 -0.630 mas 3734.4 microasec 3735.9 microasec 445. Nutation DEPS wrt apriori model 1983.11.09-01:08:56.616 -3.726 mas 1179.7 microasec 1180.2 microasec Nutation Dy wrt apriori model 1983.11.09-01:08:56.616 -3.724 mas 1185.1 microasec 1185.6 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.09-01:08:56.616 -1.647 mas 1179.7 microasec 1180.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0554 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) BLKBUTTE 7269 to HRAS_085 7216 1158018086.96 21.30 1158018086.96 21.30 33.94 17.73 -147.41 159.68 BLKBUTTE 7269 to MOJAVE12 7222 213868885.01 24.32 213868885.01 24.32 -70.98 9.48 -62.43 163.35 BLKBUTTE 7269 to MON_PEAK 7274 107821839.75 12.55 107821839.75 12.55 -502.08 22.79 -147.51 169.63 BLKBUTTE 7269 to VNDNBERG 7223 462367610.55 21.14 462367610.55 21.14 -416.59 18.01 -16.44 167.63 HRAS_085 7216 to MOJAVE12 7222 1313368159.56 6.21 1313368159.56 6.21 -15.11 3.69 89.85 34.68 HRAS_085 7216 to MON_PEAK 7274 1205751542.38 8.00 1205751542.38 8.00 -259.73 5.33 -39.45 56.62 HRAS_085 7216 to VNDNBERG 7223 1617713757.14 10.03 1617713757.14 10.03 -383.07 5.75 94.25 48.73 MOJAVE12 7222 to MON_PEAK 7274 274055858.48 5.84 274055858.48 5.84 -373.83 3.95 -74.78 52.18 MOJAVE12 7222 to VNDNBERG 7223 351282453.07 4.69 351282453.07 4.69 -537.52 6.16 57.50 43.55 MON_PEAK 7274 to VNDNBERG 7223 430216018.19 8.47 430216018.19 8.47 -161.40 5.44 113.60 64.09 NNT_POS: 3 stations participated in NNT_POS constraints: BLKBUTTE MOJAVE12 VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:15 Correlator type: Unknown Experiment code: cdp83q Mark-3 db_name: $83NOV10X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831110_a Ver 2 cdp83q Matrix Condition Number = 1.330554868868773E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- BLKBUTTE: GION | | MOJAVE12: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for BLKBUTTE is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms BLKBUTTE MET -999.0 0.0 -999.0 0.0-99900.0 0.0 MOJAVE12 MET 15.2 3.2 909.9 0.7 31.0 12.4 VNDNBERG MET 16.1 1.1 1015.2 0.7 84.9 10.7 Run 26091-1742 205 Observation Pairs Available Session started on: 2445649.247700 1983.11.10 17:56:41.280 UTC Nominal duration: 64540.800 sec 00 17:55:40.800 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 117 41.405 ps 0.80 1.0035 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 118 Number of potentially good observations with QC 5-9: 118 Number of used observations: 117 ( 99.15%) Number of suppressed observations: 1 ( 0.85%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps BLKBUTTE MOJAVE12 47 47 122.099 0.85 19831110_a cdp83q 1983.11.11-02:54:31.6 BAS_STAT BLKBUTTE VNDNBERG 12 13 121.470 0.89 19831110_a cdp83q 1983.11.11-02:54:31.6 BAS_STAT MOJAVE12 VNDNBERG 58 58 27.529 0.73 19831110_a cdp83q 1983.11.11-02:54:31.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 3 3 11 43.645 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 0552+398 J0555+3948 8 8 14 50.172 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 0727-115 J0730-1141 1 1 4 63.428 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 1921-293 J1924-2914 1 1 4 10.064 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 2134+00 J2136+0041 15 15 21 39.910 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 3C120 J0433+0521 2 2 6 93.792 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 3C273B J1229+0203 8 9 12 35.071 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 3C279 J1256-0547 4 4 6 25.498 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 3C345 J1642+3948 12 12 17 30.067 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 3C418 J2038+5119 4 4 22 68.758 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 3C454.3 J2253+1608 10 10 15 57.716 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 3C84 J0319+4130 32 32 35 33.060 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: 4C39.25 J0927+3902 5 5 8 39.740 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: NRAO150 J0359+5057 10 10 20 77.757 19831110_a cdp83q 1983.11.11-02:54:31.680 SRC_STAT: NRAO530 J1733-1304 2 2 10 9.091 19831110_a cdp83q 1983.11.11-02:54:31.680 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.11-02:53:59 1. BLKBUTTE 7269 NOAM X Comp -2306307160.73 mm -67.733 mm 61.479 mm 61.586 mm 2. BLKBUTTE 7269 NOAM Y Comp -4787914291.01 mm 83.991 mm 132.149 mm 132.378 mm 3. BLKBUTTE 7269 NOAM Z Comp 3515736561.60 mm 237.600 mm 93.182 mm 93.344 mm BLKBUTTE 7269 U Comp 93.19 mm 93.190 mm 171.929 mm 137.065 mm BLKBUTTE 7269 E Comp -97.47 mm -97.472 mm 11.202 mm 8.930 mm BLKBUTTE 7269 N Comp 223.41 mm 223.407 mm 15.522 mm 12.374 mm 4. BLKBUTTE CL 0 1983.11.10-17:56:09.096 23083.947 ns 1.180 ns 1.182 ns 5. BLKBUTTE CL 1 1983.11.10-17:56:09.096 466.158 D-14 2.902 D-14 2.907 D-14 6. BLKBUTTE CL 2 1983.11.10-17:56:09.096 0.209 D-14/day 4.066 D-14/day 4.073 D-14/day 25. BLKBUTTE AT 0 1983.11.10-17:56:09.096 -475.646 ps 455.428 ps 456.218 ps BLKBUTTE Atm 1983.11.11-02:56:41.280 Avg: -475.521 ps Rms: 3.595 ps Tot_Rms: 475.534 ps || Nat: 71 Dura: 52938.0 sec Tzd_avg: 7479.1 Tzd_rms: 24.0 Wzd_avg: 224.6 Wzd_rms: 22.8 ps Prs_avg: 95569. Pa Tem_avg: 11.8 C Stm_avg: -7.6 C Stm_rms: 1.9 K Spr_avg: 22. Spr_rms: 91. Pa 80. BLKBUTTE NG 1983.11.10-17:55:09.096 -0.010 mm 0.423 mm 0.424 mm 81. BLKBUTTE EG 1983.11.10-17:55:09.096 -0.004 mm 0.423 mm 0.424 mm 82. BLKBUTTE NG 1983.11.11-01:55:09.096 0.002 mm 0.381 mm 0.382 mm 83. BLKBUTTE EG 1983.11.11-01:55:09.096 -0.005 mm 0.381 mm 0.382 mm 84. BLKBUTTE NG 1983.11.11-09:55:09.096 0.004 mm 0.423 mm 0.424 mm 85. BLKBUTTE EG 1983.11.11-09:55:09.096 0.003 mm 0.423 mm 0.424 mm 86. MOJAVE12 7222 NOAM X Comp -2356171190.18 mm -94.179 mm 32.176 mm 32.232 mm 87. MOJAVE12 7222 NOAM Y Comp -4646755704.96 mm 127.043 mm 68.138 mm 68.256 mm 88. MOJAVE12 7222 NOAM Z Comp 3668470677.72 mm 96.723 mm 48.805 mm 48.889 mm MOJAVE12 7222 U Comp -1.76 mm -1.757 mm 89.092 mm 71.026 mm MOJAVE12 7222 E Comp -141.45 mm -141.452 mm 6.280 mm 5.006 mm MOJAVE12 7222 N Comp 119.81 mm 119.805 mm 9.117 mm 7.268 mm 89. MOJAVE12 AT 0 1983.11.10-17:56:09.096 -312.656 ps 232.336 ps 232.740 ps MOJAVE12 Atm 1983.11.11-02:56:41.280 Avg: -314.088 ps Rms: 14.068 ps Tot_Rms: 314.403 ps || Nat: 79 Dura: 64540.0 sec Tzd_avg: 7126.3 Tzd_rms: 38.7 Wzd_avg: 231.8 Wzd_rms: 39.3 ps Prs_avg: 90984. Pa Tem_avg: 15.0 C Stm_avg: 0.2 C Stm_rms: 2.2 K Spr_avg: 168. Spr_rms: 67. Pa 144. MOJAVE12 NG 1983.11.10-17:55:09.096 0.014 mm 0.423 mm 0.424 mm 145. MOJAVE12 EG 1983.11.10-17:55:09.096 0.028 mm 0.422 mm 0.423 mm 146. MOJAVE12 NG 1983.11.11-01:55:09.096 -0.009 mm 0.381 mm 0.382 mm 147. MOJAVE12 EG 1983.11.11-01:55:09.096 -0.004 mm 0.381 mm 0.382 mm 148. MOJAVE12 NG 1983.11.11-09:55:09.096 -0.017 mm 0.423 mm 0.424 mm 149. MOJAVE12 EG 1983.11.11-09:55:09.096 -0.019 mm 0.422 mm 0.423 mm 150. VNDNBERG 7223 PCFC X Comp -2678094885.09 mm 161.912 mm 35.393 mm 35.454 mm 151. VNDNBERG 7223 PCFC Y Comp -4525450711.03 mm -211.035 mm 73.570 mm 73.698 mm 152. VNDNBERG 7223 PCFC Z Comp 3597410081.68 mm -334.323 mm 53.657 mm 53.751 mm VNDNBERG 7223 U Comp -107.97 mm -107.970 mm 96.494 mm 76.927 mm VNDNBERG 7223 E Comp 246.82 mm 246.818 mm 11.872 mm 9.465 mm VNDNBERG 7223 N Comp -331.58 mm -331.581 mm 9.607 mm 7.659 mm 153. VNDNBERG CL 0 1983.11.10-17:56:09.096 86826.051 ns 0.403 ns 0.403 ns 154. VNDNBERG CL 1 1983.11.10-17:56:09.096 522.302 D-14 2.540 D-14 2.544 D-14 155. VNDNBERG CL 2 1983.11.10-17:56:09.096 5.224 D-14/day 2.845 D-14/day 2.850 D-14/day 174. VNDNBERG AT 0 1983.11.10-17:56:09.096 -190.161 ps 201.987 ps 202.338 ps VNDNBERG Atm 1983.11.11-02:56:41.280 Avg: -213.877 ps Rms: 22.926 ps Tot_Rms: 215.102 ps || Nat: 81 Dura: 64540.0 sec Tzd_avg: 8336.3 Tzd_rms: 137.4 Wzd_avg: 674.7 Wzd_rms: 147.9 ps Prs_avg: 101519. Pa Tem_avg: 16.0 C Stm_avg: -2.0 C Stm_rms: 0.8 K Spr_avg: 383. Spr_rms: 52. Pa 229. VNDNBERG NG 1983.11.10-17:55:09.096 -0.006 mm 0.423 mm 0.424 mm 230. VNDNBERG EG 1983.11.10-17:55:09.096 -0.023 mm 0.422 mm 0.423 mm 231. VNDNBERG NG 1983.11.11-01:55:09.096 0.007 mm 0.381 mm 0.382 mm 232. VNDNBERG EG 1983.11.11-01:55:09.096 0.010 mm 0.381 mm 0.382 mm 233. VNDNBERG NG 1983.11.11-09:55:09.096 0.013 mm 0.423 mm 0.423 mm 234. VNDNBERG EG 1983.11.11-09:55:09.096 0.016 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. BLKBUTTE Input 50.00 ps/h RMS 4.36 ps/h NRMS 0.09 share 0.97 count 55 2. MOJAVE12 Input 50.00 ps/h RMS 12.26 ps/h NRMS 0.25 share 0.92 count 55 3. VNDNBERG Input 50.00 ps/h RMS 13.26 ps/h NRMS 0.27 share 0.92 count 55 Overall RMS 10.73 ps/h NRMS 0.21 share 0.94 count 165 Gradient Constraint Statistics 1. BLKBUTTE Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.57 count 6 2. MOJAVE12 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.57 count 6 3. VNDNBERG Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.57 count 6 Overall RMS 0.05 mm/d NRMS 0.03 share 0.57 count 18 Clock Constraint Statistics 1. BLKBUTTE Input 5.00 D-14 RMS 2.05 D-14 NRMS 0.41 share 0.64 count 19 3. VNDNBERG Input 5.00 D-14 RMS 1.71 D-14 NRMS 0.34 share 0.35 count 19 Overall RMS 1.89 D-14 NRMS 0.38 share 0.50 count 38 235. UT1-TAI 1, 1983.11.11-02:54:00.000 -2.5922 ms/d -531.98 micros/d 3894.75 micros/d 3901.51 micros/d EOP epoch (TDT) MJD: 45649.121206 NUT epoch (TDT) MJD: 45649.117990 236. Nutation DPSI wrt apriori model 1983.11.11-02:53:59.496 14.047 mas 31687.7 microasec 31742.7 microasec Nutation Dx wrt apriori model 1983.11.11-02:53:59.496 5.557 mas 12574.4 microasec 12596.2 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.11-02:53:59.496 12.440 mas 31687.7 microasec 31742.7 microasec 237. Nutation DEPS wrt apriori model 1983.11.11-02:53:59.496 8.496 mas 8667.9 microasec 8682.9 microasec Nutation Dy wrt apriori model 1983.11.11-02:53:59.496 8.516 mas 8713.4 microasec 8728.5 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.11-02:53:59.496 10.813 mas 8667.9 microasec 8682.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1742 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) BLKBUTTE 7269 to MOJAVE12 7222 213868833.81 25.29 213868833.81 25.29 -87.76 13.91 101.68 256.11 BLKBUTTE 7269 to VNDNBERG 7223 462367609.89 25.43 462367609.89 25.43 -473.02 22.49 194.37 264.06 MOJAVE12 7222 to VNDNBERG 7223 351282472.10 10.01 351282472.10 10.01 -533.87 8.84 104.13 71.45 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:18 Correlator type: Unknown Experiment code: pol141 Mark-3 db_name: $83NOV11X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831111_a Ver 2 pol141 Matrix Condition Number = 8.914793269236299E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.5 4.2 839.1 0.8 17.6 3.9 WESTFORD MET 6.5 2.6 977.7 1.7 93.2 46.2 Run 26091-1742 221 Observation Pairs Available Session started on: 2445650.264600 1983.11.11 18:21:01.440 UTC Nominal duration: 86762.880 sec 01 00:06:02.880 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 181 61.165 ps 0.87 1.0237 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 184 Number of potentially good observations with QC 5-9: 184 Number of used observations: 181 ( 98.37%) Number of suppressed observations: 3 ( 1.63%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 181 184 61.165 0.87 19831111_a pol141 1983.11.12-06:24:02.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 11 68.217 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 0212+735 J0217+7349 10 10 13 73.702 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 0234+285 J0237+2848 12 13 15 64.614 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 0552+398 J0555+3948 18 18 18 55.606 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 1637+574 J1638+5720 16 16 23 134.278 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 2134+00 J2136+0041 11 11 13 49.328 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 3C273B J1229+0203 14 14 14 37.380 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 3C345 J1642+3948 18 19 20 32.482 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 3C454.3 J2253+1608 9 9 13 41.197 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: 4C39.25 J0927+3902 5 5 17 42.219 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: NRAO150 J0359+5057 19 19 19 97.523 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: OJ287 J0854+2006 14 14 14 27.952 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: OQ208 J1407+2827 16 17 18 131.421 19831111_a pol141 1983.11.12-06:24:02.880 SRC_STAT: VR422201 J2202+4216 9 9 13 85.308 19831111_a pol141 1983.11.12-06:24:02.880 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.12-06:23:30 1. HRAS_085 7216 NOAM X Comp -1324211068.55 mm -51.552 mm 4.515 mm 4.568 mm 2. HRAS_085 7216 NOAM Y Comp -5332023125.98 mm -43.975 mm 16.058 mm 16.247 mm 3. HRAS_085 7216 NOAM Z Comp 3232118407.12 mm 100.119 mm 11.531 mm 11.667 mm HRAS_085 7216 U Comp 98.43 mm 98.432 mm 19.524 mm 17.034 mm HRAS_085 7216 E Comp -39.43 mm -39.433 mm 3.990 mm 3.481 mm HRAS_085 7216 N Comp 58.06 mm 58.063 mm 3.758 mm 3.278 mm 4. HRAS_085 CL 0 1983.11.11-18:20:29.256 263.691 ns 0.218 ns 0.221 ns 5. HRAS_085 CL 1 1983.11.11-18:20:29.256 -0.018 D-14 2.108 D-14 2.133 D-14 6. HRAS_085 CL 2 1983.11.11-18:20:29.256 0.730 D-14/day 1.805 D-14/day 1.826 D-14/day 32. HRAS_085 AT 0 1983.11.11-18:20:29.256 -40.833 ps 72.430 ps 73.284 ps HRAS_085 Atm 1983.11.12-06:51:01.440 Avg: -31.705 ps Rms: 17.649 ps Tot_Rms: 36.287 ps || Nat: 221 Dura: 86760.0 sec Tzd_avg: 6614.4 Tzd_rms: 15.3 Wzd_avg: 240.5 Wzd_rms: 17.6 ps Prs_avg: 83914. Pa Tem_avg: 13.5 C Stm_avg: -2.7 C Stm_rms: 3.2 K Spr_avg: -9. Spr_rms: 77. Pa 108. HRAS_085 NG 1983.11.11-18:19:29.256 0.002 mm 0.422 mm 0.427 mm 109. HRAS_085 EG 1983.11.11-18:19:29.256 -0.008 mm 0.422 mm 0.427 mm 110. HRAS_085 NG 1983.11.12-02:19:29.256 0.008 mm 0.377 mm 0.381 mm 111. HRAS_085 EG 1983.11.12-02:19:29.256 -0.003 mm 0.377 mm 0.381 mm 112. HRAS_085 NG 1983.11.12-10:19:29.256 0.009 mm 0.377 mm 0.381 mm 113. HRAS_085 EG 1983.11.12-10:19:29.256 -0.007 mm 0.377 mm 0.381 mm 114. HRAS_085 NG 1983.11.12-18:19:29.256 -0.008 mm 0.422 mm 0.427 mm 115. HRAS_085 EG 1983.11.12-18:19:29.256 -0.021 mm 0.422 mm 0.427 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.55 mm 51.552 mm 4.515 mm 4.568 mm 117. WESTFORD 7209 NOAM Y Comp -4458130478.02 mm 43.975 mm 16.058 mm 16.247 mm 118. WESTFORD 7209 NOAM Z Comp 4296015446.88 mm -100.119 mm 11.531 mm 11.667 mm WESTFORD 7209 U Comp -86.43 mm -86.432 mm 18.215 mm 15.893 mm WESTFORD 7209 E Comp 62.84 mm 62.844 mm 8.235 mm 7.185 mm WESTFORD 7209 N Comp -56.53 mm -56.527 mm 3.405 mm 2.971 mm 119. WESTFORD AT 0 1983.11.11-18:20:29.256 93.062 ps 30.105 ps 30.460 ps WESTFORD Atm 1983.11.12-06:51:01.440 Avg: 17.203 ps Rms: 50.687 ps Tot_Rms: 53.527 ps || Nat: 221 Dura: 86760.0 sec Tzd_avg: 7737.1 Tzd_rms: 51.0 Wzd_avg: 342.6 Wzd_rms: 48.4 ps Prs_avg: 97767. Pa Tem_avg: 6.5 C Stm_avg: -1.1 C Stm_rms: 1.9 K Spr_avg: 229. Spr_rms: 77. Pa 195. WESTFORD NG 1983.11.11-18:19:29.256 0.014 mm 0.422 mm 0.427 mm 196. WESTFORD EG 1983.11.11-18:19:29.256 0.000 mm 0.422 mm 0.427 mm 197. WESTFORD NG 1983.11.12-02:19:29.256 0.004 mm 0.377 mm 0.381 mm 198. WESTFORD EG 1983.11.12-02:19:29.256 -0.010 mm 0.377 mm 0.381 mm 199. WESTFORD NG 1983.11.12-10:19:29.256 -0.005 mm 0.377 mm 0.381 mm 200. WESTFORD EG 1983.11.12-10:19:29.256 -0.008 mm 0.377 mm 0.381 mm 201. WESTFORD NG 1983.11.12-18:19:29.256 0.004 mm 0.422 mm 0.427 mm 202. WESTFORD EG 1983.11.12-18:19:29.256 0.005 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.28 ps/h NRMS 0.23 share 0.91 count 76 2. WESTFORD Input 50.00 ps/h RMS 17.45 ps/h NRMS 0.35 share 0.84 count 76 Overall RMS 14.69 ps/h NRMS 0.29 share 0.87 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.04 D-14 NRMS 0.41 share 0.28 count 26 Overall RMS 2.04 D-14 NRMS 0.41 share 0.28 count 26 203. UT1-TAI 1, 1983.11.12-06:24:00.000 -2.3496 ms/d -189.66 micros/d 276.91 micros/d 280.17 micros/d EOP epoch (TDT) MJD: 45650.267039 NUT epoch (TDT) MJD: 45650.317065 204. Nutation DPSI wrt apriori model 1983.11.12-06:23:30.696 0.644 mas 1859.8 microasec 1881.7 microasec Nutation Dx wrt apriori model 1983.11.12-06:23:30.696 0.252 mas 735.7 microasec 744.3 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.12-06:23:30.696 -0.690 mas 1859.8 microasec 1881.7 microasec 205. Nutation DEPS wrt apriori model 1983.11.12-06:23:30.696 1.138 mas 1160.5 microasec 1174.1 microasec Nutation Dy wrt apriori model 1983.11.12-06:23:30.696 1.139 mas 1163.1 microasec 1176.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.12-06:23:30.696 3.601 mas 1160.5 microasec 1174.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1094 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.12 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928025.39 9.96 3134928025.39 9.96 140.85 5.90 190.27 38.87 NNT_POS: 4 stations participated in NNT_POS constraints: MOJAVE12 OVRO_130 PVERDES VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:21 Correlator type: Unknown Experiment code: cdp83r Mark-3 db_name: $83NOV12X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831112_a Ver 2 cdp83r Matrix Condition Number = 1.791845991352900E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- MOJAVE12: GION | | OVRO_130: GION | | PVERDES : GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PVERDES is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms MOJAVE12 MET 13.2 3.2 909.8 0.3 56.5 8.1 OVRO_130 MET 7.6 6.6 877.1 1.0 39.2 29.5 PVERDES MET 15.8 1.2 1005.7 1.0 92.6 1.2 VNDNBERG MET 15.0 1.2 1018.8 1.0 66.7 44.5 Run 26091-1742 469 Observation Pairs Available Session started on: 2445651.190300 1983.11.12 16:34:01.920 UTC Nominal duration: 85138.560 sec 00 23:38:58.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 204 34.788 ps 0.79 0.9889 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 217 Number of potentially good observations with QC 5-9: 217 Number of used observations: 204 ( 94.01%) Number of suppressed observations: 13 ( 5.99%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 OVRO_130 74 76 20.861 0.66 19831112_a cdp83r 1983.11.13-04:23:31.2 BAS_STAT MOJAVE12 PVERDES 45 45 134.088 0.91 19831112_a cdp83r 1983.11.13-04:23:31.2 BAS_STAT MOJAVE12 VNDNBERG 14 19 48.751 0.85 19831112_a cdp83r 1983.11.13-04:23:31.2 BAS_STAT OVRO_130 PVERDES 59 59 113.188 0.87 19831112_a cdp83r 1983.11.13-04:23:31.2 BAS_STAT OVRO_130 VNDNBERG 12 18 12.487 0.53 19831112_a cdp83r 1983.11.13-04:23:31.2 BAS_STAT Not included: PVERDES VNDNBERG 0/ 0 deselected baseline 19831112_a cdp83r Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 9 9 23 31.536 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 0552+398 J0555+3948 14 14 36 45.486 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 0727-115 J0730-1141 7 7 24 28.596 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 1921-293 J1924-2914 5 5 6 38.517 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 2134+00 J2136+0041 15 16 33 45.090 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 3C120 J0433+0521 4 4 18 64.592 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 3C273B J1229+0203 25 26 42 22.130 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 3C279 J1256-0547 22 22 33 30.215 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 3C345 J1642+3948 16 19 33 36.975 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 3C418 J2038+5119 16 18 48 35.028 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 3C454.3 J2253+1608 16 18 33 29.091 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 3C84 J0319+4130 17 18 54 29.019 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: 4C39.25 J0927+3902 14 14 38 29.538 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: NRAO150 J0359+5057 15 15 30 55.112 19831112_a cdp83r 1983.11.13-04:23:31.200 SRC_STAT: NRAO530 J1733-1304 9 12 18 32.836 19831112_a cdp83r 1983.11.13-04:23:31.200 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.13-04:22:59 1. MOJAVE12 7222 NOAM X Comp -2356171208.89 mm -112.887 mm 19.752 mm 19.642 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755603.14 mm 228.856 mm 36.980 mm 36.774 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470744.94 mm 163.944 mm 28.663 mm 28.503 mm MOJAVE12 7222 U Comp -30.06 mm -30.062 mm 49.970 mm 39.443 mm MOJAVE12 7222 E Comp -204.18 mm -204.181 mm 6.817 mm 5.381 mm MOJAVE12 7222 N Comp 222.27 mm 222.267 mm 5.979 mm 4.719 mm 4. MOJAVE12 CL 0 1983.11.12-16:33:29.736 -18542.307 ns 0.194 ns 0.193 ns 5. MOJAVE12 CL 1 1983.11.12-16:33:29.736 -543.902 D-14 2.124 D-14 2.112 D-14 6. MOJAVE12 CL 2 1983.11.12-16:33:29.736 -3.206 D-14/day 1.918 D-14/day 1.908 D-14/day 31. MOJAVE12 AT 0 1983.11.12-16:33:29.736 -196.904 ps 220.640 ps 219.408 ps MOJAVE12 Atm 1983.11.13-04:34:01.920 Avg: -208.306 ps Rms: 49.061 ps Tot_Rms: 214.006 ps || Nat: 87 Dura: 85140.0 sec Tzd_avg: 7147.9 Tzd_rms: 54.8 Wzd_avg: 246.4 Wzd_rms: 57.2 ps Prs_avg: 90983. Pa Tem_avg: 13.2 C Stm_avg: -0.3 C Stm_rms: 2.3 K Spr_avg: 66. Spr_rms: 53. Pa 104. MOJAVE12 NG 1983.11.12-16:32:29.736 0.017 mm 0.422 mm 0.419 mm 105. MOJAVE12 EG 1983.11.12-16:32:29.736 -0.024 mm 0.422 mm 0.419 mm 106. MOJAVE12 NG 1983.11.13-00:32:29.736 0.028 mm 0.377 mm 0.374 mm 107. MOJAVE12 EG 1983.11.13-00:32:29.736 -0.010 mm 0.377 mm 0.375 mm 108. MOJAVE12 NG 1983.11.13-08:32:29.736 -0.012 mm 0.377 mm 0.374 mm 109. MOJAVE12 EG 1983.11.13-08:32:29.736 0.013 mm 0.377 mm 0.374 mm 110. MOJAVE12 NG 1983.11.13-16:32:29.736 -0.007 mm 0.422 mm 0.419 mm 111. MOJAVE12 EG 1983.11.13-16:32:29.736 0.020 mm 0.422 mm 0.419 mm 112. OVRO_130 7207 NOAM X Comp -2409600959.12 mm -72.119 mm 19.751 mm 19.641 mm 113. OVRO_130 7207 NOAM Y Comp -4478349261.02 mm 202.983 mm 35.163 mm 34.967 mm 114. OVRO_130 7207 NOAM Z Comp 3838603347.17 mm 159.165 mm 26.692 mm 26.543 mm OVRO_130 7207 U Comp -18.81 mm -18.813 mm 47.260 mm 37.304 mm OVRO_130 7207 E Comp -159.69 mm -159.687 mm 5.074 mm 4.005 mm OVRO_130 7207 N Comp 214.20 mm 214.203 mm 8.929 mm 7.048 mm 115. OVRO_130 AT 0 1983.11.12-16:33:29.736 -259.992 ps 189.047 ps 187.992 ps OVRO_130 Atm 1983.11.13-04:34:01.920 Avg: -221.777 ps Rms: 48.228 ps Tot_Rms: 226.960 ps || Nat: 81 Dura: 81468.0 sec Tzd_avg: 6864.2 Tzd_rms: 35.9 Wzd_avg: 213.5 Wzd_rms: 44.8 ps Prs_avg: 87709. Pa Tem_avg: 7.7 C Stm_avg: -1.1 C Stm_rms: 4.5 K Spr_avg: 71. Spr_rms: 62. Pa 188. OVRO_130 NG 1983.11.12-16:32:29.736 -0.007 mm 0.421 mm 0.419 mm 189. OVRO_130 EG 1983.11.12-16:32:29.736 0.016 mm 0.422 mm 0.420 mm 190. OVRO_130 NG 1983.11.13-00:32:29.736 -0.022 mm 0.376 mm 0.374 mm 191. OVRO_130 EG 1983.11.13-00:32:29.736 0.006 mm 0.377 mm 0.375 mm 192. OVRO_130 NG 1983.11.13-08:32:29.736 0.016 mm 0.377 mm 0.374 mm 193. OVRO_130 EG 1983.11.13-08:32:29.736 -0.008 mm 0.377 mm 0.375 mm 194. OVRO_130 NG 1983.11.13-16:32:29.736 0.009 mm 0.422 mm 0.419 mm 195. OVRO_130 EG 1983.11.13-16:32:29.736 -0.006 mm 0.422 mm 0.420 mm 196. PVERDES 7268 PCFC X Comp -2525452976.79 mm 95.215 mm 37.583 mm 37.373 mm 197. PVERDES 7268 PCFC Y Comp -4670035500.28 mm -155.276 mm 67.621 mm 67.244 mm 198. PVERDES 7268 PCFC Z Comp 3522886813.76 mm -103.239 mm 51.495 mm 51.208 mm PVERDES 7268 U Comp 18.57 mm 18.565 mm 91.915 mm 72.551 mm PVERDES 7268 E Comp 157.61 mm 157.615 mm 7.647 mm 6.036 mm PVERDES 7268 N Comp -136.56 mm -136.557 mm 11.403 mm 9.001 mm 199. PVERDES CL 0 1983.11.12-16:33:29.736 7528.173 ns 0.541 ns 0.538 ns 200. PVERDES CL 1 1983.11.12-16:33:29.736 -67.319 D-14 2.282 D-14 2.269 D-14 201. PVERDES CL 2 1983.11.12-16:33:29.736 3.175 D-14/day 2.037 D-14/day 2.026 D-14/day 226. PVERDES AT 0 1983.11.12-16:33:29.736 -264.133 ps 255.031 ps 253.607 ps PVERDES Atm 1983.11.13-04:34:01.920 Avg: -266.477 ps Rms: 30.808 ps Tot_Rms: 268.252 ps || Nat: 85 Dura: 83280.0 sec Tzd_avg: 8117.4 Tzd_rms: 152.7 Wzd_avg: 495.1 Wzd_rms: 160.0 ps Prs_avg: 100564. Pa Tem_avg: 15.7 C Stm_avg: -2.3 C Stm_rms: 1.0 K Spr_avg: 38. Spr_rms: 51. Pa 299. PVERDES NG 1983.11.12-16:32:29.736 -0.003 mm 0.422 mm 0.420 mm 300. PVERDES EG 1983.11.12-16:32:29.736 0.010 mm 0.422 mm 0.420 mm 301. PVERDES NG 1983.11.13-00:32:29.736 -0.002 mm 0.377 mm 0.375 mm 302. PVERDES EG 1983.11.13-00:32:29.736 -0.000 mm 0.377 mm 0.375 mm 303. PVERDES NG 1983.11.13-08:32:29.736 -0.004 mm 0.377 mm 0.375 mm 304. PVERDES EG 1983.11.13-08:32:29.736 -0.005 mm 0.377 mm 0.375 mm 305. PVERDES NG 1983.11.13-16:32:29.736 -0.003 mm 0.422 mm 0.420 mm 306. PVERDES EG 1983.11.13-16:32:29.736 -0.015 mm 0.422 mm 0.420 mm 307. VNDNBERG 7223 PCFC X Comp -2678094957.21 mm 89.790 mm 43.293 mm 43.051 mm 308. VNDNBERG 7223 PCFC Y Comp -4525450776.56 mm -276.563 mm 75.199 mm 74.779 mm 309. VNDNBERG 7223 PCFC Z Comp 3597410196.13 mm -219.871 mm 56.790 mm 56.473 mm VNDNBERG 7223 U Comp 33.64 mm 33.643 mm 101.863 mm 80.403 mm VNDNBERG 7223 E Comp 218.12 mm 218.124 mm 14.049 mm 11.090 mm VNDNBERG 7223 N Comp -290.14 mm -290.143 mm 13.447 mm 10.614 mm 310. VNDNBERG CL 0 1983.11.12-16:33:29.736 73975.748 ns 0.582 ns 0.579 ns 311. VNDNBERG CL 1 1983.11.12-16:33:29.736 -4.831 D-14 4.670 D-14 4.644 D-14 312. VNDNBERG CL 2 1983.11.12-16:33:29.736 -9.539 D-14/day 17.857 D-14/day 17.758 D-14/day 337. VNDNBERG AT 0 1983.11.12-16:33:29.736 -235.296 ps 253.628 ps 252.213 ps VNDNBERG Atm 1983.11.13-04:34:01.920 Avg: -274.558 ps Rms: 12.495 ps Tot_Rms: 274.843 ps || Nat: 80 Dura: 85140.0 sec Tzd_avg: 8103.1 Tzd_rms: 125.5 Wzd_avg: 398.0 Wzd_rms: 139.2 ps Prs_avg: 101884. Pa Tem_avg: 15.1 C Stm_avg: -1.7 C Stm_rms: 0.7 K Spr_avg: 298. Spr_rms: 55. Pa 410. VNDNBERG NG 1983.11.12-16:32:29.736 -0.007 mm 0.422 mm 0.420 mm 411. VNDNBERG EG 1983.11.12-16:32:29.736 -0.007 mm 0.422 mm 0.420 mm 412. VNDNBERG NG 1983.11.13-00:32:29.736 -0.003 mm 0.377 mm 0.375 mm 413. VNDNBERG EG 1983.11.13-00:32:29.736 0.002 mm 0.377 mm 0.375 mm 414. VNDNBERG NG 1983.11.13-08:32:29.736 -0.001 mm 0.377 mm 0.375 mm 415. VNDNBERG EG 1983.11.13-08:32:29.736 0.001 mm 0.377 mm 0.375 mm 416. VNDNBERG NG 1983.11.13-16:32:29.736 -0.000 mm 0.422 mm 0.420 mm 417. VNDNBERG EG 1983.11.13-16:32:29.736 0.000 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. MOJAVE12 Input 50.00 ps/h RMS 18.63 ps/h NRMS 0.37 share 0.88 count 73 2. OVRO_130 Input 50.00 ps/h RMS 20.11 ps/h NRMS 0.40 share 0.87 count 73 3. PVERDES Input 50.00 ps/h RMS 10.91 ps/h NRMS 0.22 share 0.95 count 73 4. VNDNBERG Input 50.00 ps/h RMS 5.76 ps/h NRMS 0.12 share 0.98 count 73 Overall RMS 15.03 ps/h NRMS 0.30 share 0.92 count 292 Gradient Constraint Statistics 1. MOJAVE12 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. OVRO_130 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. PVERDES Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. VNDNBERG Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 1. MOJAVE12 Input 5.00 D-14 RMS 1.76 D-14 NRMS 0.35 share 0.25 count 25 3. PVERDES Input 5.00 D-14 RMS 2.86 D-14 NRMS 0.57 share 0.52 count 25 4. VNDNBERG Input 5.00 D-14 RMS 1.70 D-14 NRMS 0.34 share 0.86 count 25 Overall RMS 2.17 D-14 NRMS 0.43 share 0.55 count 75 418. UT1-TAI 1, 1983.11.13-04:23:00.000 -0.1708 ms/d 2109.50 micros/d 1995.86 micros/d 1984.73 micros/d EOP epoch (TDT) MJD: 45651.183011 NUT epoch (TDT) MJD: 45651.110222 419. Nutation DPSI wrt apriori model 1983.11.13-04:22:59.016 -35.703 mas 20621.2 microasec 20506.1 microasec Nutation Dx wrt apriori model 1983.11.13-04:22:59.016 -14.238 mas 8186.1 microasec 8140.4 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.13-04:22:59.016 -36.895 mas 20621.2 microasec 20506.1 microasec 420. Nutation DEPS wrt apriori model 1983.11.13-04:22:59.016 9.785 mas 4776.9 microasec 4750.3 microasec Nutation Dy wrt apriori model 1983.11.13-04:22:59.016 9.734 mas 4806.5 microasec 4779.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.13-04:22:59.016 12.255 mas 4776.9 microasec 4750.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1477 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to OVRO_130 7207 245276449.37 7.55 245276449.37 7.55 38.16 3.51 -0.42 38.58 MOJAVE12 7222 to PVERDES 7268 224483744.56 14.03 224483744.56 14.03 -506.51 10.02 -50.43 117.91 MOJAVE12 7222 to VNDNBERG 7223 351282453.71 17.30 351282453.71 17.30 -599.85 20.34 -64.38 134.74 OVRO_130 7207 to PVERDES 7268 387094605.73 17.21 387094605.73 17.21 -327.15 8.75 -40.74 117.39 OVRO_130 7207 to VNDNBERG 7223 363980378.43 14.53 363980378.43 14.53 -599.55 22.41 -53.17 131.30 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:24 Correlator type: Unknown Experiment code: pol142 Mark-3 db_name: $83NOV16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831116_a Ver 2 pol142 Matrix Condition Number = 2.312057878591946E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.0 2.6 839.6 0.8 24.5 0.6 ONSALA60 MET -0.7 2.9 1014.5 2.3 76.1 4.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 5.3 1.3 982.2 1.3 96.7 38.9 WETTZELL MET -999.0 0.0 -999.0 0.0-99900.0 0.0 Run 26091-1742 686 Observation Pairs Available Session started on: 2445655.241000 1983.11.16 17:47:02.400 UTC Nominal duration: 85622.400 sec 00 23:47:02.400 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 330 35.414 ps 0.80 0.9823 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 333 Number of potentially good observations with QC 5-9: 333 Number of used observations: 330 ( 99.10%) Number of suppressed observations: 3 ( 0.90%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 11 12 51.584 0.85 19831116_a pol142 1983.11.17-05:40:33.6 BAS_STAT HRAS_085 WESTFORD 122 122 41.111 0.83 19831116_a pol142 1983.11.17-05:40:33.6 BAS_STAT HRAS_085 WETTZELL 20 21 38.408 0.73 19831116_a pol142 1983.11.17-05:40:33.6 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 32 33 79.619 0.88 19831116_a pol142 1983.11.17-05:40:33.6 BAS_STAT ONSALA60 WETTZELL 106 106 25.261 0.76 19831116_a pol142 1983.11.17-05:40:33.6 BAS_STAT WESTFORD WETTZELL 39 39 51.654 0.78 19831116_a pol142 1983.11.17-05:40:33.6 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19831116_a pol142 ONSALA85 WESTFORD 0/ 0 deselected baseline 19831116_a pol142 ONSALA85 WETTZELL 0/ 0 deselected baseline 19831116_a pol142 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 30 48.600 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 0212+735 J0217+7349 44 44 77 50.093 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 0234+285 J0237+2848 33 33 51 40.306 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 0552+398 J0555+3948 35 35 52 41.366 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 1637+574 J1638+5720 16 16 66 66.515 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 2134+00 J2136+0041 9 9 22 42.982 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 3C273B J1229+0203 18 18 23 17.308 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 3C345 J1642+3948 31 33 52 23.598 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 3C454.3 J2253+1608 15 15 41 34.051 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: 4C39.25 J0927+3902 15 15 49 45.056 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: NRAO150 J0359+5057 24 24 77 33.909 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: OJ287 J0854+2006 29 29 46 19.558 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: OQ208 J1407+2827 32 32 57 60.007 19831116_a pol142 1983.11.17-05:40:33.600 SRC_STAT: VR422201 J2202+4216 16 17 43 59.193 19831116_a pol142 1983.11.17-05:40:33.600 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.17-05:40:01 1. HRAS_085 7216 NOAM X Comp -1324211084.40 mm -67.404 mm 11.067 mm 10.969 mm 2. HRAS_085 7216 NOAM Y Comp -5332023031.21 mm 50.785 mm 21.614 mm 21.422 mm 3. HRAS_085 7216 NOAM Z Comp 3232118489.82 mm 182.819 mm 21.440 mm 21.249 mm HRAS_085 7216 U Comp 64.73 mm 64.734 mm 27.233 mm 21.857 mm HRAS_085 7216 E Comp -77.66 mm -77.658 mm 10.700 mm 8.588 mm HRAS_085 7216 N Comp 174.14 mm 174.138 mm 13.900 mm 11.156 mm 4. HRAS_085 CL 0 1983.11.16-17:46:30.216 267.048 ns 0.206 ns 0.205 ns 5. HRAS_085 CL 1 1983.11.16-17:46:30.216 -2.398 D-14 2.133 D-14 2.114 D-14 6. HRAS_085 CL 2 1983.11.16-17:46:30.216 -0.446 D-14/day 1.852 D-14/day 1.835 D-14/day 31. HRAS_085 AT 0 1983.11.16-17:46:30.216 24.151 ps 65.794 ps 65.209 ps HRAS_085 Atm 1983.11.17-05:47:02.400 Avg: -54.478 ps Rms: 49.207 ps Tot_Rms: 73.411 ps || Nat: 150 Dura: 85500.0 sec Tzd_avg: 6545.9 Tzd_rms: 7.3 Wzd_avg: 167.6 Wzd_rms: 11.3 ps Prs_avg: 83963. Pa Tem_avg: 13.5 C Stm_avg: -1.9 C Stm_rms: 2.8 K Spr_avg: 12. Spr_rms: 69. Pa 104. HRAS_085 NG 1983.11.16-17:45:30.216 -0.001 mm 0.422 mm 0.419 mm 105. HRAS_085 EG 1983.11.16-17:45:30.216 0.010 mm 0.422 mm 0.418 mm 106. HRAS_085 NG 1983.11.17-01:45:30.216 0.011 mm 0.377 mm 0.373 mm 107. HRAS_085 EG 1983.11.17-01:45:30.216 -0.003 mm 0.377 mm 0.374 mm 108. HRAS_085 NG 1983.11.17-09:45:30.216 0.014 mm 0.377 mm 0.374 mm 109. HRAS_085 EG 1983.11.17-09:45:30.216 -0.035 mm 0.377 mm 0.373 mm 110. HRAS_085 NG 1983.11.17-17:45:30.216 0.005 mm 0.422 mm 0.418 mm 111. HRAS_085 EG 1983.11.17-17:45:30.216 -0.004 mm 0.422 mm 0.418 mm 112. ONSALA60 7213 EURA X Comp 3370605993.94 mm 4.937 mm 10.714 mm 10.619 mm 113. ONSALA60 7213 EURA Y Comp 711917439.90 mm -89.095 mm 10.080 mm 9.991 mm 114. ONSALA60 7213 EURA Z Comp 5349830682.38 mm -83.617 mm 19.348 mm 19.175 mm ONSALA60 7213 U Comp -77.76 mm -77.758 mm 20.696 mm 16.610 mm ONSALA60 7213 E Comp -88.19 mm -88.193 mm 10.351 mm 8.308 mm ONSALA60 7213 N Comp -33.61 mm -33.615 mm 7.434 mm 5.966 mm 115. ONSALA60 CL 0 1983.11.16-17:46:30.216 -61.045 ns 0.654 ns 0.649 ns 116. ONSALA60 CL 1 1983.11.16-17:46:30.216 -97.506 D-14 3.247 D-14 3.218 D-14 117. ONSALA60 CL 2 1983.11.16-17:46:30.216 -6.392 D-14/day 2.573 D-14/day 2.550 D-14/day 142. ONSALA60 AT 0 1983.11.16-17:46:30.216 -4.239 ps 79.224 ps 78.519 ps ONSALA60 Atm 1983.11.17-05:47:02.400 Avg: -15.275 ps Rms: 13.197 ps Tot_Rms: 20.186 ps || Nat: 134 Dura: 84840.0 sec Tzd_avg: 7848.9 Tzd_rms: 29.6 Wzd_avg: 181.6 Wzd_rms: 13.8 ps Prs_avg: 101436. Pa Tem_avg: -0.6 C Stm_avg: -2.2 C Stm_rms: 0.9 K Spr_avg: 237. Spr_rms: 42. Pa 215. ONSALA60 NG 1983.11.16-17:45:30.216 -0.001 mm 0.422 mm 0.418 mm 216. ONSALA60 EG 1983.11.16-17:45:30.216 -0.027 mm 0.421 mm 0.418 mm 217. ONSALA60 NG 1983.11.17-01:45:30.216 0.008 mm 0.376 mm 0.373 mm 218. ONSALA60 EG 1983.11.17-01:45:30.216 -0.034 mm 0.375 mm 0.372 mm 219. ONSALA60 NG 1983.11.17-09:45:30.216 -0.005 mm 0.376 mm 0.373 mm 220. ONSALA60 EG 1983.11.17-09:45:30.216 0.001 mm 0.375 mm 0.372 mm 221. ONSALA60 NG 1983.11.17-17:45:30.216 -0.019 mm 0.421 mm 0.417 mm 222. ONSALA60 EG 1983.11.17-17:45:30.216 0.006 mm 0.421 mm 0.417 mm 223. WESTFORD 7209 NOAM X Comp 1492206570.02 mm 27.022 mm 10.339 mm 10.247 mm 224. WESTFORD 7209 NOAM Y Comp -4458130344.56 mm 177.439 mm 13.278 mm 13.160 mm 225. WESTFORD 7209 NOAM Z Comp 4296015531.89 mm -15.106 mm 18.674 mm 18.508 mm WESTFORD 7209 U Comp -127.75 mm -127.748 mm 21.596 mm 17.333 mm WESTFORD 7209 E Comp 81.94 mm 81.945 mm 9.597 mm 7.702 mm WESTFORD 7209 N Comp 97.00 mm 96.997 mm 8.570 mm 6.878 mm 226. WESTFORD AT 0 1983.11.16-17:46:30.216 -119.121 ps 31.385 ps 31.105 ps WESTFORD Atm 1983.11.17-05:47:02.400 Avg: -6.469 ps Rms: 46.018 ps Tot_Rms: 46.470 ps || Nat: 183 Dura: 85500.0 sec Tzd_avg: 7727.9 Tzd_rms: 120.0 Wzd_avg: 296.2 Wzd_rms: 124.4 ps Prs_avg: 98225. Pa Tem_avg: 5.4 C Stm_avg: -1.8 C Stm_rms: 2.6 K Spr_avg: 216. Spr_rms: 66. Pa 299. WESTFORD NG 1983.11.16-17:45:30.216 0.014 mm 0.422 mm 0.418 mm 300. WESTFORD EG 1983.11.16-17:45:30.216 -0.012 mm 0.422 mm 0.418 mm 301. WESTFORD NG 1983.11.17-01:45:30.216 -0.002 mm 0.377 mm 0.373 mm 302. WESTFORD EG 1983.11.17-01:45:30.216 -0.014 mm 0.376 mm 0.373 mm 303. WESTFORD NG 1983.11.17-09:45:30.216 -0.005 mm 0.377 mm 0.373 mm 304. WESTFORD EG 1983.11.17-09:45:30.216 0.055 mm 0.376 mm 0.373 mm 305. WESTFORD NG 1983.11.17-17:45:30.216 -0.028 mm 0.422 mm 0.418 mm 306. WESTFORD EG 1983.11.17-17:45:30.216 0.017 mm 0.422 mm 0.418 mm 307. WETTZELL 7224 EURA X Comp 4075539876.45 mm 35.445 mm 10.966 mm 10.868 mm 308. WETTZELL 7224 EURA Y Comp 931735174.87 mm -139.129 mm 10.010 mm 9.921 mm 309. WETTZELL 7224 EURA Z Comp 4801629308.90 mm -84.095 mm 16.845 mm 16.695 mm WETTZELL 7224 U Comp -61.29 mm -61.287 mm 18.037 mm 14.476 mm WETTZELL 7224 E Comp -143.53 mm -143.529 mm 10.362 mm 8.316 mm WETTZELL 7224 N Comp -57.69 mm -57.693 mm 8.455 mm 6.786 mm 310. WETTZELL CL 0 1983.11.16-17:46:30.216 625.742 ns 0.654 ns 0.649 ns 311. WETTZELL CL 1 1983.11.16-17:46:30.216 -178.017 D-14 3.253 D-14 3.224 D-14 312. WETTZELL CL 2 1983.11.16-17:46:30.216 -2.138 D-14/day 2.570 D-14/day 2.547 D-14/day 337. WETTZELL AT 0 1983.11.16-17:46:30.216 -29.270 ps 76.693 ps 76.011 ps WETTZELL Atm 1983.11.17-05:47:02.400 Avg: -29.447 ps Rms: 10.165 ps Tot_Rms: 31.152 ps || Nat: 139 Dura: 73220.0 sec Tzd_avg: 7304.2 Tzd_rms: 10.3 Wzd_avg: 184.8 Wzd_rms: 18.3 ps Prs_avg: 93533. Pa Tem_avg: 10.6 C Stm_avg: 10.8 C Stm_rms: 1.2 K Spr_avg: -352. Spr_rms: 108. Pa 410. WETTZELL NG 1983.11.16-17:45:30.216 0.016 mm 0.422 mm 0.418 mm 411. WETTZELL EG 1983.11.16-17:45:30.216 0.026 mm 0.421 mm 0.418 mm 412. WETTZELL NG 1983.11.17-01:45:30.216 0.005 mm 0.376 mm 0.373 mm 413. WETTZELL EG 1983.11.17-01:45:30.216 0.022 mm 0.375 mm 0.372 mm 414. WETTZELL NG 1983.11.17-09:45:30.216 0.011 mm 0.376 mm 0.373 mm 415. WETTZELL EG 1983.11.17-09:45:30.216 -0.032 mm 0.375 mm 0.372 mm 416. WETTZELL NG 1983.11.17-17:45:30.216 0.013 mm 0.421 mm 0.417 mm 417. WETTZELL EG 1983.11.17-17:45:30.216 0.002 mm 0.421 mm 0.417 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 17.87 ps/h NRMS 0.36 share 0.90 count 73 2. ONSALA60 Input 50.00 ps/h RMS 14.32 ps/h NRMS 0.29 share 0.82 count 73 4. WESTFORD Input 50.00 ps/h RMS 20.12 ps/h NRMS 0.40 share 0.82 count 73 5. WETTZELL Input 50.00 ps/h RMS 13.23 ps/h NRMS 0.26 share 0.81 count 73 Overall RMS 16.61 ps/h NRMS 0.33 share 0.84 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.53 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 5. WETTZELL Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.53 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.84 D-14 NRMS 0.37 share 0.23 count 25 2. ONSALA60 Input 5.00 D-14 RMS 1.94 D-14 NRMS 0.39 share 0.43 count 25 5. WETTZELL Input 5.00 D-14 RMS 1.80 D-14 NRMS 0.36 share 0.42 count 25 Overall RMS 1.86 D-14 NRMS 0.37 share 0.36 count 75 418. UT1-TAI 1, 1983.11.17-05:40:00.000 -2.7039 ms/d -30.95 micros/d 98.15 micros/d 97.28 micros/d EOP epoch (TDT) MJD: 45655.236484 NUT epoch (TDT) MJD: 45655.314946 419. Nutation DPSI wrt apriori model 1983.11.17-05:40:01.416 -2.933 mas 1239.6 microasec 1228.6 microasec Nutation Dx wrt apriori model 1983.11.17-05:40:01.416 -1.171 mas 491.3 microasec 486.9 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.17-05:40:01.416 -4.197 mas 1239.6 microasec 1228.6 microasec 420. Nutation DEPS wrt apriori model 1983.11.17-05:40:01.416 1.070 mas 511.7 microasec 507.1 microasec Nutation Dy wrt apriori model 1983.11.17-05:40:01.416 1.066 mas 513.4 microasec 508.9 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.17-05:40:01.416 3.984 mas 511.7 microasec 507.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0700 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732255.15 26.50 7940732255.15 26.50 234.75 10.04 150.08 45.23 HRAS_085 7216 to WESTFORD 7209 3134928029.17 9.33 3134928029.17 9.33 114.37 5.53 219.65 36.50 HRAS_085 7216 to WETTZELL 7224 8417561494.56 26.27 8417561494.56 26.27 301.17 9.69 107.39 43.49 ONSALA60 7213 to WESTFORD 7209 5600741456.35 15.62 5600741456.35 15.62 69.95 8.39 19.85 41.22 ONSALA60 7213 to WETTZELL 7224 919661003.41 4.25 919661003.41 4.25 56.36 2.86 -10.99 15.83 WESTFORD 7209 to WETTZELL 7224 5998325314.71 15.08 5998325314.71 15.08 143.59 8.53 -47.58 39.25 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:27 Correlator type: Unknown Experiment code: dsn836 Mark-3 db_name: $83NOV17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831117_a Ver 2 dsn836 Matrix Condition Number = 2.280775918725739E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 1.2 1.5 993.7 4.5 34.5 4.7 ONSALA60 MET 4.9 1.7 1010.4 2.2 79.2 8.7 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1742 400 Observation Pairs Available Session started on: 2445656.295800 1983.11.17 19:05:57.120 UTC Nominal duration: 88128.000 sec 01 00:28:48.000 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 180 26.839 ps 0.73 0.8490 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 181 Number of potentially good observations with QC 5-9: 181 Number of used observations: 180 ( 99.45%) Number of suppressed observations: 1 ( 0.55%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 180 181 26.839 0.73 19831117_a dsn836 1983.11.18-07:20:21.1 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19831117_a dsn836 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 22 43.871 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 0212+735 J0217+7349 30 30 60 59.680 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 0528+134 J0530+1331 9 9 22 21.048 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 0552+398 J0555+3948 19 19 41 18.047 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 2216-038 J2218-0335 12 12 24 15.425 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 3C273B J1229+0203 11 11 22 12.188 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 3C345 J1642+3948 15 15 45 8.969 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 3C454.3 J2253+1608 11 11 30 50.438 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: 4C39.25 J0927+3902 17 17 36 54.767 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: OJ287 J0854+2006 12 12 24 11.364 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: OQ208 J1407+2827 13 13 28 59.533 19831117_a dsn836 1983.11.18-07:20:21.120 SRC_STAT: VR422201 J2202+4216 20 21 46 54.380 19831117_a dsn836 1983.11.18-07:20:21.120 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.18-07:19:48 1. HAYSTACK 7205 NOAM X Comp 1492404695.98 mm -0.023 mm 5.436 mm 5.009 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266392.87 mm 142.130 mm 5.473 mm 5.042 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881834.79 mm 40.786 mm 8.964 mm 8.260 mm HAYSTACK 7205 U Comp -71.56 mm -71.557 mm 10.067 mm 7.334 mm HAYSTACK 7205 E Comp 45.10 mm 45.105 mm 4.556 mm 3.319 mm HAYSTACK 7205 N Comp 121.28 mm 121.283 mm 4.214 mm 3.070 mm 4. HAYSTACK AT 0 1983.11.17-19:05:24.936 22.737 ps 31.391 ps 28.924 ps HAYSTACK Atm 1983.11.18-07:35:57.120 Avg: 7.212 ps Rms: 21.951 ps Tot_Rms: 23.105 ps || Nat: 202 Dura: 88122.0 sec Tzd_avg: 7657.2 Tzd_rms: 12.3 Wzd_avg: 162.6 Wzd_rms: 37.5 ps Prs_avg: 99370. Pa Tem_avg: 1.2 C Stm_avg: 0.4 C Stm_rms: 0.7 K Spr_avg: 593. Spr_rms: 30. Pa 80. HAYSTACK NG 1983.11.17-19:04:24.936 -0.024 mm 0.422 mm 0.389 mm 81. HAYSTACK EG 1983.11.17-19:04:24.936 -0.003 mm 0.422 mm 0.389 mm 82. HAYSTACK NG 1983.11.18-03:04:24.936 0.007 mm 0.377 mm 0.347 mm 83. HAYSTACK EG 1983.11.18-03:04:24.936 -0.033 mm 0.377 mm 0.347 mm 84. HAYSTACK NG 1983.11.18-11:04:24.936 0.002 mm 0.377 mm 0.347 mm 85. HAYSTACK EG 1983.11.18-11:04:24.936 -0.053 mm 0.377 mm 0.347 mm 86. HAYSTACK NG 1983.11.18-19:04:24.936 -0.006 mm 0.422 mm 0.389 mm 87. HAYSTACK EG 1983.11.18-19:04:24.936 -0.004 mm 0.422 mm 0.389 mm 88. ONSALA60 7213 EURA X Comp 3370605989.02 mm 0.023 mm 5.436 mm 5.009 mm 89. ONSALA60 7213 EURA Y Comp 711917386.87 mm -142.130 mm 5.473 mm 5.042 mm 90. ONSALA60 7213 EURA Z Comp 5349830725.21 mm -40.786 mm 8.964 mm 8.260 mm ONSALA60 7213 U Comp -50.17 mm -50.174 mm 9.919 mm 7.227 mm ONSALA60 7213 E Comp -139.07 mm -139.067 mm 5.989 mm 4.363 mm ONSALA60 7213 N Comp 2.75 mm 2.747 mm 2.368 mm 1.725 mm 91. ONSALA60 CL 0 1983.11.17-19:05:24.936 -9437.583 ns 0.137 ns 0.126 ns 92. ONSALA60 CL 1 1983.11.17-19:05:24.936 -108.628 D-14 2.062 D-14 1.900 D-14 93. ONSALA60 CL 2 1983.11.17-19:05:24.936 -10.742 D-14/day 1.738 D-14/day 1.601 D-14/day 119. ONSALA60 AT 0 1983.11.17-19:05:24.936 -20.937 ps 33.685 ps 31.038 ps ONSALA60 Atm 1983.11.18-07:35:57.120 Avg: -18.536 ps Rms: 15.715 ps Tot_Rms: 24.301 ps || Nat: 202 Dura: 88122.0 sec Tzd_avg: 7882.4 Tzd_rms: 19.4 Wzd_avg: 240.0 Wzd_rms: 37.8 ps Prs_avg: 101043. Pa Tem_avg: 4.9 C Stm_avg: -1.2 C Stm_rms: 1.2 K Spr_avg: 148. Spr_rms: 67. Pa 195. ONSALA60 NG 1983.11.17-19:04:24.936 -0.012 mm 0.421 mm 0.388 mm 196. ONSALA60 EG 1983.11.17-19:04:24.936 0.011 mm 0.422 mm 0.389 mm 197. ONSALA60 NG 1983.11.18-03:04:24.936 -0.054 mm 0.376 mm 0.347 mm 198. ONSALA60 EG 1983.11.18-03:04:24.936 -0.033 mm 0.377 mm 0.347 mm 199. ONSALA60 NG 1983.11.18-11:04:24.936 -0.090 mm 0.375 mm 0.346 mm 200. ONSALA60 EG 1983.11.18-11:04:24.936 -0.059 mm 0.376 mm 0.346 mm 201. ONSALA60 NG 1983.11.18-19:04:24.936 -0.037 mm 0.422 mm 0.389 mm 202. ONSALA60 EG 1983.11.18-19:04:24.936 -0.008 mm 0.422 mm 0.389 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 20.06 ps/h NRMS 0.40 share 0.77 count 76 2. ONSALA60 Input 50.00 ps/h RMS 19.34 ps/h NRMS 0.39 share 0.71 count 76 Overall RMS 19.70 ps/h NRMS 0.39 share 0.74 count 152 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.54 count 8 Overall RMS 0.11 mm/d NRMS 0.05 share 0.54 count 16 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 2.18 D-14 NRMS 0.44 share 0.23 count 26 Overall RMS 2.18 D-14 NRMS 0.44 share 0.23 count 26 203. UT1-TAI 1, 1983.11.18-07:20:00.000 -2.6173 ms/d 20.33 micros/d 46.18 micros/d 42.55 micros/d EOP epoch (TDT) MJD: 45656.305928 NUT epoch (TDT) MJD: 45656.307252 204. Nutation DPSI wrt apriori model 1983.11.18-07:19:48.936 -1.315 mas 873.9 microasec 805.2 microasec Nutation Dx wrt apriori model 1983.11.18-07:19:48.936 -0.523 mas 346.5 microasec 319.3 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.18-07:19:48.936 -2.707 mas 873.9 microasec 805.2 microasec 205. Nutation DEPS wrt apriori model 1983.11.18-07:19:48.936 -0.105 mas 316.5 microasec 291.6 microasec Nutation Dy wrt apriori model 1983.11.18-07:19:48.936 -0.107 mas 317.7 microasec 292.8 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.18-07:19:48.936 3.112 mas 316.5 microasec 291.6 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.9353 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714493.77 8.39 5599714493.77 8.39 98.73 3.34 -24.01 21.86 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:30 Correlator type: Unknown Experiment code: pol143 Mark-3 db_name: $83NOV21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831121_a Ver 2 pol143 Matrix Condition Number = 1.940604505032243E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.3 2.8 829.6 0.9 23.1 7.6 MOJAVE12 MET 2.7 6.5 903.8 4.4 52.4 4.0 WESTFORD MET 9.3 1.3 995.3 2.6 22.7 1.8 Run 26091-1742 327 Observation Pairs Available Session started on: 2445660.227200 1983.11.21 17:27:10.080 UTC Nominal duration: 87592.320 sec 01 00:19:52.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 303 31.682 ps 0.87 0.9959 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 303 Number of potentially good observations with QC 5-9: 303 Number of used observations: 303 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 100 100 18.209 0.78 19831121_a pol143 1983.11.22-05:37:06.2 BAS_STAT HRAS_085 WESTFORD 119 119 57.485 0.90 19831121_a pol143 1983.11.22-05:37:06.2 BAS_STAT MOJAVE12 WESTFORD 84 84 64.956 0.93 19831121_a pol143 1983.11.22-05:37:06.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 13 33.723 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 0212+735 J0217+7349 8 8 9 49.585 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 0234+285 J0237+2848 3 3 4 43.037 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 0552+398 J0555+3948 6 6 6 25.119 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 1637+574 J1638+5720 50 50 57 100.410 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 2134+00 J2136+0041 23 23 25 30.226 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 3C273B J1229+0203 32 32 32 15.661 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 3C345 J1642+3948 49 49 50 19.503 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 3C454.3 J2253+1608 16 16 20 32.678 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: 4C39.25 J0927+3902 21 21 22 31.486 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: NRAO150 J0359+5057 2 2 4 27.548 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: OJ287 J0854+2006 17 17 17 17.467 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: OQ208 J1407+2827 37 37 42 78.553 19831121_a pol143 1983.11.22-05:37:06.240 SRC_STAT: VR422201 J2202+4216 26 26 26 48.530 19831121_a pol143 1983.11.22-05:37:06.240 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.22-05:36:34 1. HRAS_085 7216 NOAM X Comp -1324211070.20 mm -53.203 mm 3.987 mm 3.979 mm 2. HRAS_085 7216 NOAM Y Comp -5332023102.90 mm -20.899 mm 15.234 mm 15.202 mm 3. HRAS_085 7216 NOAM Z Comp 3232118384.93 mm 77.928 mm 9.787 mm 9.767 mm HRAS_085 7216 U Comp 68.20 mm 68.196 mm 18.025 mm 15.664 mm HRAS_085 7216 E Comp -46.60 mm -46.597 mm 3.328 mm 2.892 mm HRAS_085 7216 N Comp 50.18 mm 50.180 mm 2.791 mm 2.426 mm 4. HRAS_085 CL 0 1983.11.21-17:26:37.896 270.157 ns 0.191 ns 0.191 ns 5. HRAS_085 CL 1 1983.11.21-17:26:37.896 -1.356 D-14 2.072 D-14 2.068 D-14 6. HRAS_085 CL 2 1983.11.21-17:26:37.896 2.349 D-14/day 1.742 D-14/day 1.738 D-14/day 32. HRAS_085 AT 0 1983.11.21-17:26:37.896 -20.544 ps 64.334 ps 64.202 ps HRAS_085 Atm 1983.11.22-05:57:10.080 Avg: -17.475 ps Rms: 14.263 ps Tot_Rms: 22.557 ps || Nat: 129 Dura: 87590.0 sec Tzd_avg: 6507.5 Tzd_rms: 93.6 Wzd_avg: 208.8 Wzd_rms: 98.7 ps Prs_avg: 82971. Pa Tem_avg: 13.5 C Stm_avg: -0.7 C Stm_rms: 1.5 K Spr_avg: 50. Spr_rms: 92. Pa 108. HRAS_085 NG 1983.11.21-17:25:37.896 0.021 mm 0.421 mm 0.420 mm 109. HRAS_085 EG 1983.11.21-17:25:37.896 0.013 mm 0.421 mm 0.420 mm 110. HRAS_085 NG 1983.11.22-01:25:37.896 0.062 mm 0.375 mm 0.374 mm 111. HRAS_085 EG 1983.11.22-01:25:37.896 -0.036 mm 0.375 mm 0.374 mm 112. HRAS_085 NG 1983.11.22-09:25:37.896 -0.020 mm 0.377 mm 0.376 mm 113. HRAS_085 EG 1983.11.22-09:25:37.896 0.014 mm 0.376 mm 0.376 mm 114. HRAS_085 NG 1983.11.22-17:25:37.896 -0.013 mm 0.420 mm 0.419 mm 115. HRAS_085 EG 1983.11.22-17:25:37.896 0.033 mm 0.419 mm 0.418 mm 116. MOJAVE12 7222 NOAM X Comp -2356171081.30 mm 14.702 mm 4.116 mm 4.107 mm 117. MOJAVE12 7222 NOAM Y Comp -4646755872.55 mm -40.547 mm 10.844 mm 10.822 mm 118. MOJAVE12 7222 NOAM Z Comp 3668470617.93 mm 36.933 mm 9.169 mm 9.150 mm MOJAVE12 7222 U Comp 45.44 mm 45.437 mm 13.420 mm 11.663 mm MOJAVE12 7222 E Comp 31.45 mm 31.450 mm 4.600 mm 3.998 mm MOJAVE12 7222 N Comp 13.06 mm 13.062 mm 4.163 mm 3.618 mm 119. MOJAVE12 CL 0 1983.11.21-17:26:37.896 -18491.117 ns 0.349 ns 0.348 ns 120. MOJAVE12 CL 1 1983.11.21-17:26:37.896 -655.640 D-14 2.461 D-14 2.456 D-14 121. MOJAVE12 CL 2 1983.11.21-17:26:37.896 1.247 D-14/day 1.991 D-14/day 1.987 D-14/day 147. MOJAVE12 AT 0 1983.11.21-17:26:37.896 -5.000 ps 52.631 ps 52.522 ps MOJAVE12 Atm 1983.11.22-05:57:10.080 Avg: -3.064 ps Rms: 22.639 ps Tot_Rms: 22.846 ps || Nat: 106 Dura: 79980.0 sec Tzd_avg: 6971.0 Tzd_rms: 6.1 Wzd_avg: 118.7 Wzd_rms: 23.8 ps Prs_avg: 90369. Pa Tem_avg: 2.7 C Stm_avg: -3.0 C Stm_rms: 4.4 K Spr_avg: 151. Spr_rms: 58. Pa 223. MOJAVE12 NG 1983.11.21-17:25:37.896 -0.006 mm 0.421 mm 0.421 mm 224. MOJAVE12 EG 1983.11.21-17:25:37.896 -0.006 mm 0.421 mm 0.420 mm 225. MOJAVE12 NG 1983.11.22-01:25:37.896 -0.032 mm 0.376 mm 0.375 mm 226. MOJAVE12 EG 1983.11.22-01:25:37.896 0.022 mm 0.376 mm 0.375 mm 227. MOJAVE12 NG 1983.11.22-09:25:37.896 0.030 mm 0.377 mm 0.376 mm 228. MOJAVE12 EG 1983.11.22-09:25:37.896 -0.009 mm 0.377 mm 0.376 mm 229. MOJAVE12 NG 1983.11.22-17:25:37.896 0.027 mm 0.420 mm 0.420 mm 230. MOJAVE12 EG 1983.11.22-17:25:37.896 -0.029 mm 0.420 mm 0.419 mm 231. WESTFORD 7209 NOAM X Comp 1492206581.50 mm 38.501 mm 4.899 mm 4.888 mm 232. WESTFORD 7209 NOAM Y Comp -4458130460.55 mm 61.445 mm 17.480 mm 17.444 mm 233. WESTFORD 7209 NOAM Z Comp 4296015432.14 mm -114.861 mm 14.112 mm 14.083 mm WESTFORD 7209 U Comp -111.65 mm -111.654 mm 20.915 mm 18.175 mm WESTFORD 7209 E Comp 56.01 mm 56.013 mm 7.754 mm 6.739 mm WESTFORD 7209 N Comp -53.35 mm -53.355 mm 5.581 mm 4.850 mm 234. WESTFORD AT 0 1983.11.21-17:26:37.896 -8.736 ps 28.527 ps 28.468 ps WESTFORD Atm 1983.11.22-05:57:10.080 Avg: -13.449 ps Rms: 25.082 ps Tot_Rms: 28.460 ps || Nat: 127 Dura: 87590.0 sec Tzd_avg: 7707.5 Tzd_rms: 40.0 Wzd_avg: 174.9 Wzd_rms: 28.5 ps Prs_avg: 99490. Pa Tem_avg: 9.2 C Stm_avg: -0.1 C Stm_rms: 0.6 K Spr_avg: 206. Spr_rms: 48. Pa 310. WESTFORD NG 1983.11.21-17:25:37.896 0.005 mm 0.422 mm 0.421 mm 311. WESTFORD EG 1983.11.21-17:25:37.896 0.005 mm 0.422 mm 0.421 mm 312. WESTFORD NG 1983.11.22-01:25:37.896 0.005 mm 0.377 mm 0.376 mm 313. WESTFORD EG 1983.11.22-01:25:37.896 0.007 mm 0.377 mm 0.376 mm 314. WESTFORD NG 1983.11.22-09:25:37.896 0.012 mm 0.377 mm 0.376 mm 315. WESTFORD EG 1983.11.22-09:25:37.896 0.002 mm 0.377 mm 0.376 mm 316. WESTFORD NG 1983.11.22-17:25:37.896 0.003 mm 0.422 mm 0.421 mm 317. WESTFORD EG 1983.11.22-17:25:37.896 0.017 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.52 ps/h NRMS 0.25 share 0.87 count 76 2. MOJAVE12 Input 50.00 ps/h RMS 11.58 ps/h NRMS 0.23 share 0.85 count 76 3. WESTFORD Input 50.00 ps/h RMS 14.91 ps/h NRMS 0.30 share 0.86 count 76 Overall RMS 13.08 ps/h NRMS 0.26 share 0.86 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.53 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.38 D-14 NRMS 0.48 share 0.42 count 26 2. MOJAVE12 Input 5.00 D-14 RMS 1.48 D-14 NRMS 0.30 share 0.49 count 26 Overall RMS 1.98 D-14 NRMS 0.40 share 0.46 count 52 318. UT1-TAI 1, 1983.11.22-05:37:00.000 -2.1719 ms/d -134.12 micros/d 142.52 micros/d 142.22 micros/d EOP epoch (TDT) MJD: 45660.234400 NUT epoch (TDT) MJD: 45660.297827 319. Nutation DPSI wrt apriori model 1983.11.22-05:36:34.056 -1.579 mas 2261.0 microasec 2256.3 microasec Nutation Dx wrt apriori model 1983.11.22-05:36:34.056 -0.628 mas 896.9 microasec 895.1 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.22-05:36:34.056 -2.619 mas 2261.0 microasec 2256.3 microasec 320. Nutation DEPS wrt apriori model 1983.11.22-05:36:34.056 -0.092 mas 694.6 microasec 693.2 microasec Nutation Dy wrt apriori model 1983.11.22-05:36:34.056 -0.095 mas 697.8 microasec 696.4 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.22-05:36:34.056 2.787 mas 694.6 microasec 693.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0607 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368155.83 4.24 1313368155.83 4.24 -1.03 3.98 26.69 23.71 HRAS_085 7216 to WESTFORD 7209 3134928016.12 8.60 3134928016.12 8.60 133.56 7.66 181.46 37.33 MOJAVE12 7222 to WESTFORD 7209 3903767753.78 8.09 3903767753.78 8.09 48.25 8.91 177.95 31.72 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:33 Correlator type: Unknown Experiment code: pol144 Mark-3 db_name: $83NOV26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831126_a Ver 2 pol144 Matrix Condition Number = 1.380376109151203E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -1.2 0.6 832.5 1.2 75.1 20.5 WESTFORD MET 3.9 1.4 1001.4 2.1 24.0 2.2 Run 26091-1742 223 Observation Pairs Available Session started on: 2445665.214000 1983.11.26 17:08:09.600 UTC Nominal duration: 87592.320 sec 01 00:19:52.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 183 45.881 ps 0.86 1.0175 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 184 Number of potentially good observations with QC 5-9: 184 Number of used observations: 183 ( 99.46%) Number of suppressed observations: 1 ( 0.54%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 183 184 45.881 0.86 19831126_a pol144 1983.11.27-05:18:05.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 11 63.412 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 0212+735 J0217+7349 7 7 13 105.221 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 0234+285 J0237+2848 15 15 15 79.532 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 0552+398 J0555+3948 18 18 18 31.007 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 1637+574 J1638+5720 15 16 23 132.533 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 2134+00 J2136+0041 10 10 13 42.398 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 3C273B J1229+0203 13 13 15 23.891 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 3C345 J1642+3948 19 19 20 21.118 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 3C454.3 J2253+1608 13 13 13 40.107 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: 4C39.25 J0927+3902 8 8 18 50.906 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: NRAO150 J0359+5057 18 18 19 83.426 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: OJ287 J0854+2006 14 14 14 15.138 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: OQ208 J1407+2827 13 13 18 83.231 19831126_a pol144 1983.11.27-05:18:05.760 SRC_STAT: VR422201 J2202+4216 9 9 13 81.482 19831126_a pol144 1983.11.27-05:18:05.760 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.11.27-05:17:33 1. HRAS_085 7216 NOAM X Comp -1324211068.56 mm -51.561 mm 3.612 mm 3.644 mm 2. HRAS_085 7216 NOAM Y Comp -5332023132.72 mm -50.720 mm 13.640 mm 13.759 mm 3. HRAS_085 7216 NOAM Z Comp 3232118406.44 mm 99.442 mm 9.679 mm 9.764 mm HRAS_085 7216 U Comp 103.72 mm 103.722 mm 16.440 mm 14.059 mm HRAS_085 7216 E Comp -37.82 mm -37.816 mm 3.499 mm 2.992 mm HRAS_085 7216 N Comp 54.14 mm 54.144 mm 3.205 mm 2.741 mm 4. HRAS_085 CL 0 1983.11.26-17:07:37.416 266.229 ns 0.197 ns 0.198 ns 5. HRAS_085 CL 1 1983.11.26-17:07:37.416 -4.101 D-14 2.078 D-14 2.096 D-14 6. HRAS_085 CL 2 1983.11.26-17:07:37.416 1.934 D-14/day 1.740 D-14/day 1.755 D-14/day 32. HRAS_085 AT 0 1983.11.26-17:07:37.416 -58.113 ps 64.757 ps 65.322 ps HRAS_085 Atm 1983.11.27-05:38:09.600 Avg: -70.750 ps Rms: 12.203 ps Tot_Rms: 71.794 ps || Nat: 223 Dura: 87590.0 sec Tzd_avg: 6445.6 Tzd_rms: 30.1 Wzd_avg: 116.4 Wzd_rms: 34.3 ps Prs_avg: 83254. Pa Tem_avg: -1.3 C Stm_avg: -1.8 C Stm_rms: 1.5 K Spr_avg: -29. Spr_rms: 44. Pa 108. HRAS_085 NG 1983.11.26-17:06:37.416 -0.019 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1983.11.26-17:06:37.416 0.003 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1983.11.27-01:06:37.416 -0.002 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1983.11.27-01:06:37.416 -0.020 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1983.11.27-09:06:37.416 -0.003 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1983.11.27-09:06:37.416 -0.015 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1983.11.27-17:06:37.416 0.014 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1983.11.27-17:06:37.416 0.013 mm 0.422 mm 0.426 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.56 mm 51.561 mm 3.612 mm 3.644 mm 117. WESTFORD 7209 NOAM Y Comp -4458130471.28 mm 50.720 mm 13.640 mm 13.759 mm 118. WESTFORD 7209 NOAM Z Comp 4296015447.56 mm -99.442 mm 9.679 mm 9.764 mm WESTFORD 7209 U Comp -90.68 mm -90.679 mm 15.473 mm 13.232 mm WESTFORD 7209 E Comp 64.99 mm 64.994 mm 6.667 mm 5.701 mm WESTFORD 7209 N Comp -51.70 mm -51.700 mm 2.990 mm 2.557 mm 119. WESTFORD AT 0 1983.11.26-17:07:37.416 -40.143 ps 32.203 ps 32.485 ps WESTFORD Atm 1983.11.27-05:38:09.600 Avg: -12.229 ps Rms: 21.039 ps Tot_Rms: 24.335 ps || Nat: 223 Dura: 87590.0 sec Tzd_avg: 7845.9 Tzd_rms: 39.2 Wzd_avg: 265.7 Wzd_rms: 49.4 ps Prs_avg: 100145. Pa Tem_avg: 3.9 C Stm_avg: 1.1 C Stm_rms: 1.0 K Spr_avg: 199. Spr_rms: 29. Pa 195. WESTFORD NG 1983.11.26-17:06:37.416 0.035 mm 0.422 mm 0.426 mm 196. WESTFORD EG 1983.11.26-17:06:37.416 0.002 mm 0.422 mm 0.426 mm 197. WESTFORD NG 1983.11.27-01:06:37.416 -0.020 mm 0.377 mm 0.380 mm 198. WESTFORD EG 1983.11.27-01:06:37.416 0.004 mm 0.377 mm 0.380 mm 199. WESTFORD NG 1983.11.27-09:06:37.416 -0.012 mm 0.377 mm 0.380 mm 200. WESTFORD EG 1983.11.27-09:06:37.416 -0.004 mm 0.377 mm 0.380 mm 201. WESTFORD NG 1983.11.27-17:06:37.416 -0.004 mm 0.422 mm 0.426 mm 202. WESTFORD EG 1983.11.27-17:06:37.416 -0.019 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.06 ps/h NRMS 0.20 share 0.89 count 76 2. WESTFORD Input 50.00 ps/h RMS 11.89 ps/h NRMS 0.24 share 0.81 count 76 Overall RMS 11.02 ps/h NRMS 0.22 share 0.85 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.55 D-14 NRMS 0.51 share 0.23 count 26 Overall RMS 2.55 D-14 NRMS 0.51 share 0.23 count 26 203. UT1-TAI 1, 1983.11.27-05:18:00.000 -2.4197 ms/d -19.12 micros/d 201.02 micros/d 202.77 micros/d EOP epoch (TDT) MJD: 45665.221206 NUT epoch (TDT) MJD: 45665.267749 204. Nutation DPSI wrt apriori model 1983.11.27-05:17:33.576 -2.060 mas 1606.7 microasec 1620.8 microasec Nutation Dx wrt apriori model 1983.11.27-05:17:33.576 -0.823 mas 636.0 microasec 641.5 microasec Nutation DPSI wrt Wahr 1980 model 1983.11.27-05:17:33.576 -1.600 mas 1606.7 microasec 1620.8 microasec 205. Nutation DEPS wrt apriori model 1983.11.27-05:17:33.576 0.920 mas 889.6 microasec 897.3 microasec Nutation Dy wrt apriori model 1983.11.27-05:17:33.576 0.917 mas 891.9 microasec 899.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.11.27-05:17:33.576 4.086 mas 889.6 microasec 897.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1049 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.11.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928029.63 8.13 3134928029.63 8.13 132.57 4.96 200.13 32.87 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 MOJAVE12 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:36 Correlator type: Unknown Experiment code: pol145 Mark-3 db_name: $83DEC01X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831201_a Ver 2 pol145 Matrix Condition Number = 7.334332292858622E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.7 3.3 836.7 1.5 57.3 6.3 MOJAVE12 MET 7.9 3.4 905.4 0.5 59.9 11.0 WESTFORD MET 0.5 1.1 1006.0 2.1 21.6 1.1 Run 26091-1742 531 Observation Pairs Available Session started on: 2445670.242500 1983.12.01 17:49:12.000 UTC Nominal duration: 80040.960 sec 00 22:14:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 489 45.819 ps 0.90 1.0056 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 490 Number of potentially good observations with QC 5-9: 490 Number of used observations: 489 ( 99.80%) Number of suppressed observations: 1 ( 0.20%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 MOJAVE12 171 171 32.074 0.86 19831201_a pol145 1983.12.02-04:56:12.4 BAS_STAT HRAS_085 WESTFORD 163 163 61.746 0.92 19831201_a pol145 1983.12.02-04:56:12.4 BAS_STAT MOJAVE12 WESTFORD 155 156 67.718 0.92 19831201_a pol145 1983.12.02-04:56:12.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 28 28 28 61.379 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 0212+735 J0217+7349 30 30 31 92.338 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 0234+285 J0237+2848 36 36 36 41.364 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 0552+398 J0555+3948 44 44 45 51.518 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 1637+574 J1638+5720 43 43 48 86.776 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 2134+00 J2136+0041 26 26 29 38.159 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 3C273B J1229+0203 25 25 27 23.443 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 3C345 J1642+3948 45 45 45 30.846 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 3C454.3 J2253+1608 31 31 37 32.105 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: 4C39.25 J0927+3902 29 29 38 53.935 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: NRAO150 J0359+5057 47 47 49 54.741 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: OJ287 J0854+2006 34 35 37 28.831 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: OQ208 J1407+2827 40 40 42 74.895 19831201_a pol145 1983.12.02-04:56:12.480 SRC_STAT: VR422201 J2202+4216 31 31 39 55.101 19831201_a pol145 1983.12.02-04:56:12.480 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.12.02-04:55:40 1. HRAS_085 7216 NOAM X Comp -1324211075.16 mm -58.155 mm 3.981 mm 3.992 mm 2. HRAS_085 7216 NOAM Y Comp -5332023119.36 mm -37.363 mm 14.946 mm 14.988 mm 3. HRAS_085 7216 NOAM Z Comp 3232118398.39 mm 91.391 mm 9.878 mm 9.906 mm HRAS_085 7216 U Comp 89.83 mm 89.832 mm 18.000 mm 16.215 mm HRAS_085 7216 E Comp -47.44 mm -47.435 mm 2.561 mm 2.307 mm HRAS_085 7216 N Comp 53.01 mm 53.013 mm 2.505 mm 2.256 mm 4. HRAS_085 CL 0 1983.12.01-17:48:39.816 260.909 ns 0.179 ns 0.180 ns 5. HRAS_085 CL 1 1983.12.01-17:48:39.816 -5.236 D-14 2.144 D-14 2.150 D-14 6. HRAS_085 CL 2 1983.12.01-17:48:39.816 6.164 D-14/day 1.968 D-14/day 1.973 D-14/day 30. HRAS_085 AT 0 1983.12.01-17:48:39.816 -154.189 ps 64.638 ps 64.819 ps HRAS_085 Atm 1983.12.02-05:19:12.000 Avg: -74.512 ps Rms: 88.010 ps Tot_Rms: 115.317 ps || Nat: 184 Dura: 80040.0 sec Tzd_avg: 6629.7 Tzd_rms: 24.1 Wzd_avg: 279.8 Wzd_rms: 7.1 ps Prs_avg: 83675. Pa Tem_avg: 6.7 C Stm_avg: -4.8 C Stm_rms: 3.8 K Spr_avg: 49. Spr_rms: 101. Pa 100. HRAS_085 NG 1983.12.01-17:47:39.816 0.076 mm 0.421 mm 0.423 mm 101. HRAS_085 EG 1983.12.01-17:47:39.816 0.071 mm 0.420 mm 0.421 mm 102. HRAS_085 NG 1983.12.02-01:47:39.816 0.062 mm 0.376 mm 0.377 mm 103. HRAS_085 EG 1983.12.02-01:47:39.816 0.051 mm 0.375 mm 0.376 mm 104. HRAS_085 NG 1983.12.02-09:47:39.816 -0.069 mm 0.376 mm 0.377 mm 105. HRAS_085 EG 1983.12.02-09:47:39.816 -0.065 mm 0.375 mm 0.376 mm 106. HRAS_085 NG 1983.12.02-17:47:39.816 -0.064 mm 0.421 mm 0.422 mm 107. HRAS_085 EG 1983.12.02-17:47:39.816 -0.076 mm 0.420 mm 0.422 mm 108. MOJAVE12 7222 NOAM X Comp -2356171080.70 mm 15.298 mm 3.883 mm 3.893 mm 109. MOJAVE12 7222 NOAM Y Comp -4646755857.69 mm -25.687 mm 9.005 mm 9.030 mm 110. MOJAVE12 7222 NOAM Z Comp 3668470609.68 mm 28.681 mm 7.179 mm 7.199 mm MOJAVE12 7222 U Comp 29.63 mm 29.633 mm 11.321 mm 10.199 mm MOJAVE12 7222 E Comp 25.26 mm 25.261 mm 3.383 mm 3.048 mm MOJAVE12 7222 N Comp 14.15 mm 14.150 mm 2.844 mm 2.562 mm 111. MOJAVE12 CL 0 1983.12.01-17:48:39.816 1751.269 ns 0.138 ns 0.139 ns 112. MOJAVE12 CL 1 1983.12.01-17:48:39.816 -74.318 D-14 2.147 D-14 2.152 D-14 113. MOJAVE12 CL 2 1983.12.01-17:48:39.816 7.192 D-14/day 1.976 D-14/day 1.982 D-14/day 137. MOJAVE12 AT 0 1983.12.01-17:48:39.816 -33.585 ps 44.031 ps 44.154 ps MOJAVE12 Atm 1983.12.02-05:19:12.000 Avg: -1.867 ps Rms: 25.329 ps Tot_Rms: 25.398 ps || Nat: 179 Dura: 80040.0 sec Tzd_avg: 7167.9 Tzd_rms: 41.5 Wzd_avg: 309.9 Wzd_rms: 42.3 ps Prs_avg: 90544. Pa Tem_avg: 7.9 C Stm_avg: -0.9 C Stm_rms: 3.0 K Spr_avg: 171. Spr_rms: 27. Pa 207. MOJAVE12 NG 1983.12.01-17:47:39.816 -0.067 mm 0.421 mm 0.423 mm 208. MOJAVE12 EG 1983.12.01-17:47:39.816 -0.095 mm 0.420 mm 0.421 mm 209. MOJAVE12 NG 1983.12.02-01:47:39.816 -0.048 mm 0.376 mm 0.377 mm 210. MOJAVE12 EG 1983.12.02-01:47:39.816 -0.032 mm 0.376 mm 0.377 mm 211. MOJAVE12 NG 1983.12.02-09:47:39.816 0.030 mm 0.376 mm 0.377 mm 212. MOJAVE12 EG 1983.12.02-09:47:39.816 0.048 mm 0.375 mm 0.376 mm 213. MOJAVE12 NG 1983.12.02-17:47:39.816 0.046 mm 0.421 mm 0.423 mm 214. MOJAVE12 EG 1983.12.02-17:47:39.816 0.050 mm 0.421 mm 0.422 mm 215. WESTFORD 7209 NOAM X Comp 1492206585.86 mm 42.858 mm 4.338 mm 4.350 mm 216. WESTFORD 7209 NOAM Y Comp -4458130458.95 mm 63.050 mm 14.504 mm 14.545 mm 217. WESTFORD 7209 NOAM Z Comp 4296015426.93 mm -120.071 mm 11.490 mm 11.522 mm WESTFORD 7209 U Comp -115.28 mm -115.284 mm 17.216 mm 15.510 mm WESTFORD 7209 E Comp 60.65 mm 60.654 mm 7.343 mm 6.615 mm WESTFORD 7209 N Comp -57.10 mm -57.096 mm 3.298 mm 2.971 mm 218. WESTFORD AT 0 1983.12.01-17:48:39.816 -1.693 ps 16.148 ps 16.193 ps WESTFORD Atm 1983.12.02-05:19:12.000 Avg: 2.246 ps Rms: 14.502 ps Tot_Rms: 14.675 ps || Nat: 186 Dura: 80040.0 sec Tzd_avg: 7763.2 Tzd_rms: 16.1 Wzd_avg: 147.1 Wzd_rms: 7.1 ps Prs_avg: 100598. Pa Tem_avg: 0.5 C Stm_avg: 1.1 C Stm_rms: 0.9 K Spr_avg: 226. Spr_rms: 25. Pa 288. WESTFORD NG 1983.12.01-17:47:39.816 -0.032 mm 0.422 mm 0.423 mm 289. WESTFORD EG 1983.12.01-17:47:39.816 -0.033 mm 0.422 mm 0.423 mm 290. WESTFORD NG 1983.12.02-01:47:39.816 -0.038 mm 0.377 mm 0.378 mm 291. WESTFORD EG 1983.12.02-01:47:39.816 -0.035 mm 0.377 mm 0.378 mm 292. WESTFORD NG 1983.12.02-09:47:39.816 0.005 mm 0.377 mm 0.378 mm 293. WESTFORD EG 1983.12.02-09:47:39.816 0.024 mm 0.377 mm 0.378 mm 294. WESTFORD NG 1983.12.02-17:47:39.816 0.005 mm 0.422 mm 0.423 mm 295. WESTFORD EG 1983.12.02-17:47:39.816 0.044 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 24.61 ps/h NRMS 0.49 share 0.81 count 70 2. MOJAVE12 Input 50.00 ps/h RMS 17.92 ps/h NRMS 0.36 share 0.78 count 70 3. WESTFORD Input 50.00 ps/h RMS 14.72 ps/h NRMS 0.29 share 0.78 count 70 Overall RMS 19.52 ps/h NRMS 0.39 share 0.79 count 210 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.22 mm/d NRMS 0.11 share 0.53 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 Overall RMS 0.16 mm/d NRMS 0.08 share 0.53 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.99 D-14 NRMS 0.40 share 0.22 count 24 2. MOJAVE12 Input 5.00 D-14 RMS 2.08 D-14 NRMS 0.42 share 0.22 count 24 Overall RMS 2.04 D-14 NRMS 0.41 share 0.22 count 48 296. UT1-TAI 1, 1983.12.02-04:56:00.000 -2.2560 ms/d 94.19 micros/d 155.09 micros/d 155.52 micros/d EOP epoch (TDT) MJD: 45670.205928 NUT epoch (TDT) MJD: 45670.237909 297. Nutation DPSI wrt apriori model 1983.12.02-04:55:40.296 -0.413 mas 1336.4 microasec 1340.2 microasec Nutation Dx wrt apriori model 1983.12.02-04:55:40.296 -0.164 mas 529.5 microasec 531.0 microasec Nutation DPSI wrt Wahr 1980 model 1983.12.02-04:55:40.296 -0.657 mas 1336.4 microasec 1340.2 microasec 298. Nutation DEPS wrt apriori model 1983.12.02-04:55:40.296 -0.092 mas 585.2 microasec 586.8 microasec Nutation Dy wrt apriori model 1983.12.02-04:55:40.296 -0.092 mas 587.1 microasec 588.7 microasec Nutation DEPS wrt Wahr 1980 model 1983.12.02-04:55:40.296 3.294 mas 585.2 microasec 586.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0427 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.12.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to MOJAVE12 7222 1313368160.60 4.32 1313368160.60 4.32 -4.35 3.37 64.77 24.04 HRAS_085 7216 to WESTFORD 7209 3134928023.18 8.10 3134928023.18 8.10 141.20 4.83 207.02 34.05 MOJAVE12 7222 to WESTFORD 7209 3903767757.33 6.79 3903767757.33 6.79 55.32 5.36 166.27 24.62 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:39 Correlator type: Unknown Experiment code: pol146 Mark-3 db_name: $83DEC06X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831206_a Ver 2 pol146 Matrix Condition Number = 1.540157531195594E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 3.4 5.4 843.8 0.8 23.3 6.5 WESTFORD MET 3.8 2.6 978.4 8.8 82.7 43.4 Run 26091-1742 222 Observation Pairs Available Session started on: 2445675.228600 1983.12.06 17:29:11.040 UTC Nominal duration: 87410.880 sec 01 00:16:50.880 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 166 73.889 ps 0.87 1.0124 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 168 Number of potentially good observations with QC 5-9: 168 Number of used observations: 166 ( 98.81%) Number of suppressed observations: 2 ( 1.19%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 166 168 73.889 0.87 19831206_a pol146 1983.12.07-05:37:36.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 11 134.079 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 0212+735 J0217+7349 5 5 13 62.197 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 0234+285 J0237+2848 14 14 15 116.055 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 0552+398 J0555+3948 18 18 18 78.900 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 1637+574 J1638+5720 13 13 23 125.252 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 2134+00 J2136+0041 8 9 13 83.075 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 3C273B J1229+0203 15 15 15 30.669 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 3C345 J1642+3948 19 20 20 45.253 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 3C454.3 J2253+1608 7 7 13 95.051 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: 4C39.25 J0927+3902 6 6 17 46.471 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: NRAO150 J0359+5057 18 18 19 76.744 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: OJ287 J0854+2006 13 13 13 45.981 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: OQ208 J1407+2827 15 15 19 105.538 19831206_a pol146 1983.12.07-05:37:36.480 SRC_STAT: VR422201 J2202+4216 5 5 13 125.851 19831206_a pol146 1983.12.07-05:37:36.480 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.12.07-05:37:04 1. HRAS_085 7216 NOAM X Comp -1324211058.24 mm -41.244 mm 5.492 mm 5.526 mm 2. HRAS_085 7216 NOAM Y Comp -5332023103.59 mm -21.590 mm 20.966 mm 21.095 mm 3. HRAS_085 7216 NOAM Z Comp 3232118390.55 mm 83.549 mm 15.155 mm 15.249 mm HRAS_085 7216 U Comp 69.16 mm 69.158 mm 25.453 mm 22.178 mm HRAS_085 7216 E Comp -34.82 mm -34.825 mm 5.183 mm 4.516 mm HRAS_085 7216 N Comp 56.14 mm 56.143 mm 4.969 mm 4.330 mm 4. HRAS_085 CL 0 1983.12.06-17:28:38.856 260.260 ns 0.299 ns 0.301 ns 5. HRAS_085 CL 1 1983.12.06-17:28:38.856 0.250 D-14 2.159 D-14 2.173 D-14 6. HRAS_085 CL 2 1983.12.06-17:28:38.856 0.118 D-14/day 1.815 D-14/day 1.826 D-14/day 32. HRAS_085 AT 0 1983.12.06-17:28:38.856 16.946 ps 76.530 ps 77.004 ps HRAS_085 Atm 1983.12.07-05:59:11.040 Avg: 14.447 ps Rms: 12.240 ps Tot_Rms: 18.935 ps || Nat: 222 Dura: 87410.0 sec Tzd_avg: 6501.4 Tzd_rms: 8.5 Wzd_avg: 93.8 Wzd_rms: 11.0 ps Prs_avg: 84378. Pa Tem_avg: 3.4 C Stm_avg: -3.9 C Stm_rms: 5.2 K Spr_avg: 75. Spr_rms: 64. Pa 108. HRAS_085 NG 1983.12.06-17:27:38.856 -0.000 mm 0.422 mm 0.425 mm 109. HRAS_085 EG 1983.12.06-17:27:38.856 -0.011 mm 0.422 mm 0.425 mm 110. HRAS_085 NG 1983.12.07-01:27:38.856 0.009 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1983.12.07-01:27:38.856 0.001 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1983.12.07-09:27:38.856 0.004 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1983.12.07-09:27:38.856 -0.002 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1983.12.07-17:27:38.856 -0.009 mm 0.422 mm 0.425 mm 115. HRAS_085 EG 1983.12.07-17:27:38.856 -0.017 mm 0.422 mm 0.425 mm 116. WESTFORD 7209 NOAM X Comp 1492206584.24 mm 41.244 mm 5.492 mm 5.526 mm 117. WESTFORD 7209 NOAM Y Comp -4458130500.41 mm 21.590 mm 20.966 mm 21.095 mm 118. WESTFORD 7209 NOAM Z Comp 4296015463.45 mm -83.549 mm 15.155 mm 15.249 mm WESTFORD 7209 U Comp -62.00 mm -61.999 mm 23.924 mm 20.847 mm WESTFORD 7209 E Comp 45.96 mm 45.964 mm 10.308 mm 8.982 mm WESTFORD 7209 N Comp -56.49 mm -56.489 mm 4.557 mm 3.970 mm 119. WESTFORD AT 0 1983.12.06-17:28:38.856 131.297 ps 32.292 ps 32.492 ps WESTFORD Atm 1983.12.07-05:59:11.040 Avg: 27.361 ps Rms: 38.293 ps Tot_Rms: 47.064 ps || Nat: 222 Dura: 87410.0 sec Tzd_avg: 7743.9 Tzd_rms: 162.3 Wzd_avg: 341.2 Wzd_rms: 133.0 ps Prs_avg: 97840. Pa Tem_avg: 3.8 C Stm_avg: -0.4 C Stm_rms: 1.2 K Spr_avg: 195. Spr_rms: 173. Pa 195. WESTFORD NG 1983.12.06-17:27:38.856 0.001 mm 0.422 mm 0.425 mm 196. WESTFORD EG 1983.12.06-17:27:38.856 0.014 mm 0.422 mm 0.425 mm 197. WESTFORD NG 1983.12.07-01:27:38.856 -0.003 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1983.12.07-01:27:38.856 -0.006 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1983.12.07-09:27:38.856 -0.007 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1983.12.07-09:27:38.856 -0.010 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1983.12.07-17:27:38.856 -0.005 mm 0.422 mm 0.425 mm 202. WESTFORD EG 1983.12.07-17:27:38.856 0.002 mm 0.422 mm 0.425 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.22 ps/h NRMS 0.18 share 0.93 count 76 2. WESTFORD Input 50.00 ps/h RMS 17.47 ps/h NRMS 0.35 share 0.87 count 76 Overall RMS 13.97 ps/h NRMS 0.28 share 0.90 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.61 D-14 NRMS 0.52 share 0.32 count 26 Overall RMS 2.61 D-14 NRMS 0.52 share 0.32 count 26 203. UT1-TAI 1, 1983.12.07-05:37:00.000 -1.2027 ms/d 357.29 micros/d 337.75 micros/d 339.84 micros/d EOP epoch (TDT) MJD: 45675.234400 NUT epoch (TDT) MJD: 45675.337108 204. Nutation DPSI wrt apriori model 1983.12.07-05:37:04.296 -2.836 mas 2290.9 microasec 2305.1 microasec Nutation Dx wrt apriori model 1983.12.07-05:37:04.296 -1.124 mas 905.8 microasec 911.4 microasec Nutation DPSI wrt Wahr 1980 model 1983.12.07-05:37:04.296 -2.373 mas 2290.9 microasec 2305.1 microasec 205. Nutation DEPS wrt apriori model 1983.12.07-05:37:04.296 -1.176 mas 1544.2 microasec 1553.7 microasec Nutation Dy wrt apriori model 1983.12.07-05:37:04.296 -1.180 mas 1547.4 microasec 1557.0 microasec Nutation DEPS wrt Wahr 1980 model 1983.12.07-05:37:04.296 2.055 mas 1544.2 microasec 1553.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1047 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.12.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928005.64 12.14 3134928005.64 12.14 132.39 7.95 134.90 50.86 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:42 Correlator type: Unknown Experiment code: pol147 Mark-3 db_name: $83DEC11X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831211_a Ver 2 pol147 Matrix Condition Number = 2.407253898154035E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.8 5.7 843.1 2.6 11.3 2.4 WESTFORD MET -4.9 0.6 1024.1 3.6 21.4 23.0 Run 26091-1742 220 Observation Pairs Available Session started on: 2445680.215400 1983.12.11 17:10:10.560 UTC Nominal duration: 87410.880 sec 01 00:16:50.880 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 196 39.017 ps 0.85 0.9887 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 196 Number of potentially good observations with QC 5-9: 196 Number of used observations: 196 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 196 196 39.017 0.85 19831211_a pol147 1983.12.12-05:18:36.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 11 11 71.430 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 0212+735 J0217+7349 11 11 13 80.016 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 0234+285 J0237+2848 15 15 15 58.937 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 0552+398 J0555+3948 15 15 17 57.713 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 1637+574 J1638+5720 20 20 23 103.284 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 2134+00 J2136+0041 10 10 13 41.951 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 3C273B J1229+0203 15 15 15 17.080 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 3C345 J1642+3948 19 19 20 17.637 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 3C454.3 J2253+1608 13 13 13 50.640 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: 4C39.25 J0927+3902 9 9 16 25.680 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: NRAO150 J0359+5057 18 18 18 83.355 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: OJ287 J0854+2006 14 14 14 21.937 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: OQ208 J1407+2827 18 18 19 69.919 19831211_a pol147 1983.12.12-05:18:36.000 SRC_STAT: VR422201 J2202+4216 8 8 13 50.651 19831211_a pol147 1983.12.12-05:18:36.000 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.12.12-05:18:03 1. HRAS_085 7216 NOAM X Comp -1324211064.79 mm -47.794 mm 3.465 mm 3.445 mm 2. HRAS_085 7216 NOAM Y Comp -5332023128.63 mm -46.626 mm 12.848 mm 12.775 mm 3. HRAS_085 7216 NOAM Z Comp 3232118407.51 mm 100.508 mm 9.282 mm 9.230 mm HRAS_085 7216 U Comp 100.06 mm 100.064 mm 15.637 mm 13.257 mm HRAS_085 7216 E Comp -35.15 mm -35.147 mm 3.083 mm 2.614 mm HRAS_085 7216 N Comp 57.55 mm 57.548 mm 3.037 mm 2.575 mm 4. HRAS_085 CL 0 1983.12.11-17:09:38.376 278.334 ns 0.179 ns 0.178 ns 5. HRAS_085 CL 1 1983.12.11-17:09:38.376 8.141 D-14 2.077 D-14 2.065 D-14 6. HRAS_085 CL 2 1983.12.11-17:09:38.376 1.352 D-14/day 1.760 D-14/day 1.750 D-14/day 32. HRAS_085 AT 0 1983.12.11-17:09:38.376 -67.251 ps 60.575 ps 60.233 ps HRAS_085 Atm 1983.12.12-05:40:10.560 Avg: -3.913 ps Rms: 31.317 ps Tot_Rms: 31.560 ps || Nat: 220 Dura: 87410.0 sec Tzd_avg: 6509.9 Tzd_rms: 12.9 Wzd_avg: 110.0 Wzd_rms: 24.9 ps Prs_avg: 84309. Pa Tem_avg: 7.8 C Stm_avg: -3.7 C Stm_rms: 4.4 K Spr_avg: 101. Spr_rms: 85. Pa 108. HRAS_085 NG 1983.12.11-17:08:38.376 0.002 mm 0.422 mm 0.420 mm 109. HRAS_085 EG 1983.12.11-17:08:38.376 0.026 mm 0.422 mm 0.420 mm 110. HRAS_085 NG 1983.12.12-01:08:38.376 -0.013 mm 0.377 mm 0.375 mm 111. HRAS_085 EG 1983.12.12-01:08:38.376 -0.003 mm 0.377 mm 0.375 mm 112. HRAS_085 NG 1983.12.12-09:08:38.376 -0.002 mm 0.377 mm 0.375 mm 113. HRAS_085 EG 1983.12.12-09:08:38.376 -0.005 mm 0.377 mm 0.375 mm 114. HRAS_085 NG 1983.12.12-17:08:38.376 0.004 mm 0.422 mm 0.420 mm 115. HRAS_085 EG 1983.12.12-17:08:38.376 -0.000 mm 0.422 mm 0.420 mm 116. WESTFORD 7209 NOAM X Comp 1492206590.79 mm 47.794 mm 3.465 mm 3.445 mm 117. WESTFORD 7209 NOAM Y Comp -4458130475.37 mm 46.626 mm 12.848 mm 12.775 mm 118. WESTFORD 7209 NOAM Z Comp 4296015446.49 mm -100.508 mm 9.282 mm 9.230 mm WESTFORD 7209 U Comp -89.42 mm -89.423 mm 14.618 mm 12.394 mm WESTFORD 7209 E Comp 60.12 mm 60.122 mm 6.487 mm 5.500 mm WESTFORD 7209 N Comp -54.30 mm -54.304 mm 2.730 mm 2.314 mm 119. WESTFORD AT 0 1983.12.11-17:09:38.376 -28.649 ps 17.220 ps 17.122 ps WESTFORD Atm 1983.12.12-05:40:10.560 Avg: 59.205 ps Rms: 42.243 ps Tot_Rms: 72.731 ps || Nat: 220 Dura: 87410.0 sec Tzd_avg: 7954.0 Tzd_rms: 42.6 Wzd_avg: 199.4 Wzd_rms: 60.9 ps Prs_avg: 102409. Pa Tem_avg: -4.9 C Stm_avg: -2.1 C Stm_rms: 1.8 K Spr_avg: 193. Spr_rms: 57. Pa 195. WESTFORD NG 1983.12.11-17:08:38.376 -0.007 mm 0.422 mm 0.420 mm 196. WESTFORD EG 1983.12.11-17:08:38.376 -0.001 mm 0.422 mm 0.420 mm 197. WESTFORD NG 1983.12.12-01:08:38.376 -0.006 mm 0.377 mm 0.375 mm 198. WESTFORD EG 1983.12.12-01:08:38.376 0.035 mm 0.377 mm 0.375 mm 199. WESTFORD NG 1983.12.12-09:08:38.376 -0.021 mm 0.377 mm 0.375 mm 200. WESTFORD EG 1983.12.12-09:08:38.376 0.018 mm 0.377 mm 0.375 mm 201. WESTFORD NG 1983.12.12-17:08:38.376 -0.014 mm 0.422 mm 0.420 mm 202. WESTFORD EG 1983.12.12-17:08:38.376 -0.005 mm 0.422 mm 0.419 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.20 ps/h NRMS 0.26 share 0.88 count 76 2. WESTFORD Input 50.00 ps/h RMS 20.02 ps/h NRMS 0.40 share 0.78 count 76 Overall RMS 16.96 ps/h NRMS 0.34 share 0.83 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.05 D-14 NRMS 0.41 share 0.23 count 26 Overall RMS 2.05 D-14 NRMS 0.41 share 0.23 count 26 203. UT1-TAI 1, 1983.12.12-05:18:00.000 -2.0339 ms/d -14.22 micros/d 207.20 micros/d 206.03 micros/d EOP epoch (TDT) MJD: 45680.221206 NUT epoch (TDT) MJD: 45680.278662 204. Nutation DPSI wrt apriori model 1983.12.12-05:18:03.816 1.110 mas 1466.3 microasec 1458.0 microasec Nutation Dx wrt apriori model 1983.12.12-05:18:03.816 0.439 mas 580.0 microasec 576.7 microasec Nutation DPSI wrt Wahr 1980 model 1983.12.12-05:18:03.816 2.132 mas 1466.3 microasec 1458.0 microasec 205. Nutation DEPS wrt apriori model 1983.12.12-05:18:03.816 0.590 mas 933.5 microasec 928.2 microasec Nutation Dy wrt apriori model 1983.12.12-05:18:03.816 0.591 mas 935.6 microasec 930.3 microasec Nutation DEPS wrt Wahr 1980 model 1983.12.12-05:18:03.816 3.867 mas 933.5 microasec 928.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0665 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.12.12 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928019.86 7.71 3134928019.86 7.71 135.23 4.73 195.06 31.16 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:45 Correlator type: Unknown Experiment code: dsn837 Mark-3 db_name: $83DEC16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831216_a Ver 2 dsn837 Matrix Condition Number = 1.914055147478375E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 3.0 5.6 843.4 0.4 33.4 4.7 WESTFORD MET 2.8 1.7 1011.0 2.6 22.5 1.1 Run 26091-1742 220 Observation Pairs Available Session started on: 2445685.241700 1983.12.16 17:48:02.880 UTC Nominal duration: 87721.920 sec 01 00:22:01.920 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 187 42.006 ps 0.85 1.0098 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 188 Number of potentially good observations with QC 5-9: 188 Number of used observations: 187 ( 99.47%) Number of suppressed observations: 1 ( 0.53%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 187 188 42.006 0.85 19831216_a dsn837 1983.12.17-05:59:03.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 10 49.932 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 0212+735 J0217+7349 12 12 13 102.623 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 0234+285 J0237+2848 14 14 14 46.814 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 0552+398 J0555+3948 18 18 18 44.638 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 1637+574 J1638+5720 16 16 23 132.198 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 2134+00 J2136+0041 10 10 15 49.167 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 3C273B J1229+0203 12 12 14 23.711 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 3C345 J1642+3948 18 19 19 21.735 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 3C454.3 J2253+1608 13 13 13 54.314 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: 4C39.25 J0927+3902 8 8 17 52.755 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: NRAO150 J0359+5057 18 18 19 59.597 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: OJ287 J0854+2006 14 14 14 24.783 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: OQ208 J1407+2827 17 17 17 71.337 19831216_a dsn837 1983.12.17-05:59:03.840 SRC_STAT: VR422201 J2202+4216 8 8 14 51.877 19831216_a dsn837 1983.12.17-05:59:03.840 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.12.17-05:58:31 1. HRAS_085 7216 NOAM X Comp -1324211068.64 mm -51.644 mm 3.479 mm 3.496 mm 2. HRAS_085 7216 NOAM Y Comp -5332023130.89 mm -48.893 mm 13.132 mm 13.196 mm 3. HRAS_085 7216 NOAM Z Comp 3232118398.41 mm 91.410 mm 9.574 mm 9.621 mm HRAS_085 7216 U Comp 98.12 mm 98.120 mm 16.012 mm 13.668 mm HRAS_085 7216 E Comp -38.34 mm -38.337 mm 3.118 mm 2.661 mm HRAS_085 7216 N Comp 48.13 mm 48.126 mm 3.180 mm 2.715 mm 4. HRAS_085 CL 0 1983.12.16-17:47:30.696 310.347 ns 0.211 ns 0.212 ns 5. HRAS_085 CL 1 1983.12.16-17:47:30.696 1.718 D-14 2.119 D-14 2.129 D-14 6. HRAS_085 CL 2 1983.12.16-17:47:30.696 4.400 D-14/day 1.810 D-14/day 1.818 D-14/day 32. HRAS_085 AT 0 1983.12.16-17:47:30.696 -39.753 ps 56.331 ps 56.605 ps HRAS_085 Atm 1983.12.17-06:18:02.880 Avg: -44.135 ps Rms: 22.413 ps Tot_Rms: 49.500 ps || Nat: 220 Dura: 87720.0 sec Tzd_avg: 6547.7 Tzd_rms: 19.1 Wzd_avg: 146.1 Wzd_rms: 24.6 ps Prs_avg: 84336. Pa Tem_avg: 3.0 C Stm_avg: -3.5 C Stm_rms: 5.3 K Spr_avg: 89. Spr_rms: 79. Pa 108. HRAS_085 NG 1983.12.16-17:46:30.696 -0.000 mm 0.422 mm 0.424 mm 109. HRAS_085 EG 1983.12.16-17:46:30.696 0.008 mm 0.422 mm 0.424 mm 110. HRAS_085 NG 1983.12.17-01:46:30.696 0.002 mm 0.377 mm 0.379 mm 111. HRAS_085 EG 1983.12.17-01:46:30.696 0.001 mm 0.377 mm 0.379 mm 112. HRAS_085 NG 1983.12.17-09:46:30.696 -0.015 mm 0.377 mm 0.379 mm 113. HRAS_085 EG 1983.12.17-09:46:30.696 -0.014 mm 0.377 mm 0.379 mm 114. HRAS_085 NG 1983.12.17-17:46:30.696 -0.005 mm 0.422 mm 0.424 mm 115. HRAS_085 EG 1983.12.17-17:46:30.696 -0.002 mm 0.422 mm 0.424 mm 116. WESTFORD 7209 NOAM X Comp 1492206594.64 mm 51.644 mm 3.479 mm 3.496 mm 117. WESTFORD 7209 NOAM Y Comp -4458130473.11 mm 48.893 mm 13.132 mm 13.196 mm 118. WESTFORD 7209 NOAM Z Comp 4296015455.59 mm -91.410 mm 9.574 mm 9.621 mm WESTFORD 7209 U Comp -83.95 mm -83.947 mm 15.001 mm 12.805 mm WESTFORD 7209 E Comp 64.49 mm 64.492 mm 6.581 mm 5.618 mm WESTFORD 7209 N Comp -46.98 mm -46.980 mm 2.807 mm 2.396 mm 119. WESTFORD AT 0 1983.12.16-17:47:30.696 -14.786 ps 52.779 ps 53.036 ps WESTFORD Atm 1983.12.17-06:18:02.880 Avg: -26.252 ps Rms: 17.257 ps Tot_Rms: 31.416 ps || Nat: 220 Dura: 87720.0 sec Tzd_avg: 7811.9 Tzd_rms: 17.9 Wzd_avg: 158.7 Wzd_rms: 23.3 ps Prs_avg: 101096. Pa Tem_avg: 2.8 C Stm_avg: 1.3 C Stm_rms: 1.3 K Spr_avg: 231. Spr_rms: 46. Pa 195. WESTFORD NG 1983.12.16-17:46:30.696 -0.004 mm 0.422 mm 0.424 mm 196. WESTFORD EG 1983.12.16-17:46:30.696 -0.003 mm 0.422 mm 0.424 mm 197. WESTFORD NG 1983.12.17-01:46:30.696 -0.013 mm 0.377 mm 0.379 mm 198. WESTFORD EG 1983.12.17-01:46:30.696 -0.011 mm 0.377 mm 0.379 mm 199. WESTFORD NG 1983.12.17-09:46:30.696 -0.017 mm 0.377 mm 0.379 mm 200. WESTFORD EG 1983.12.17-09:46:30.696 0.018 mm 0.377 mm 0.379 mm 201. WESTFORD NG 1983.12.17-17:46:30.696 -0.035 mm 0.422 mm 0.424 mm 202. WESTFORD EG 1983.12.17-17:46:30.696 0.020 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.96 ps/h NRMS 0.30 share 0.88 count 76 2. WESTFORD Input 50.00 ps/h RMS 16.38 ps/h NRMS 0.33 share 0.80 count 76 Overall RMS 15.69 ps/h NRMS 0.31 share 0.84 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.35 D-14 NRMS 0.47 share 0.23 count 26 Overall RMS 2.35 D-14 NRMS 0.47 share 0.23 count 26 203. UT1-TAI 1, 1983.12.17-05:59:00.000 -2.0177 ms/d 106.11 micros/d 224.45 micros/d 225.55 micros/d EOP epoch (TDT) MJD: 45685.249678 NUT epoch (TDT) MJD: 45685.303124 204. Nutation DPSI wrt apriori model 1983.12.17-05:58:31.656 -0.560 mas 1457.7 microasec 1464.8 microasec Nutation Dx wrt apriori model 1983.12.17-05:58:31.656 -0.226 mas 576.2 microasec 579.0 microasec Nutation DPSI wrt Wahr 1980 model 1983.12.17-05:58:31.656 -0.114 mas 1457.7 microasec 1464.8 microasec 205. Nutation DEPS wrt apriori model 1983.12.17-05:58:31.656 0.777 mas 1021.1 microasec 1026.0 microasec Nutation Dy wrt apriori model 1983.12.17-05:58:31.656 0.776 mas 1023.1 microasec 1028.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.12.17-05:58:31.656 5.020 mas 1021.1 microasec 1026.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0940 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.12.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928034.21 7.78 3134928034.21 7.78 123.12 4.88 187.43 31.94 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:48 Correlator type: Unknown Experiment code: pol149 Mark-3 db_name: $83DEC21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831221_a Ver 2 pol149 Matrix Condition Number = 4.299597376058172E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 5.8 5.8 837.7 2.0 17.0 3.0 ONSALA60 MET 1.8 0.2 994.9 0.7 99.7 0.0 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 RICHMOND MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET -4.8 0.7 1024.1 6.0 17.2 18.0 WETTZELL MET -999.0 0.0 -999.0 0.0-99900.0 0.0 Run 26091-1742 716 Observation Pairs Available Session started on: 2445690.251400 1983.12.21 18:02:00.960 UTC Nominal duration: 88862.400 sec 01 00:41:02.400 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 212 42.555 ps 0.77 1.0003 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 212 Number of potentially good observations with QC 5-9: 212 Number of used observations: 212 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 22 22 78.793 0.85 19831221_a pol149 1983.12.22-06:22:32.1 BAS_STAT HRAS_085 WESTFORD 85 85 36.734 0.76 19831221_a pol149 1983.12.22-06:22:32.1 BAS_STAT HRAS_085 WETTZELL 10 10 147.003 0.84 19831221_a pol149 1983.12.22-06:22:32.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60-RICHMOND No Data ONSALA60 WESTFORD 48 48 70.095 0.80 19831221_a pol149 1983.12.22-06:22:32.1 BAS_STAT ONSALA60 WETTZELL 26 26 20.403 0.58 19831221_a pol149 1983.12.22-06:22:32.1 BAS_STAT WESTFORD WETTZELL 21 21 76.863 0.78 19831221_a pol149 1983.12.22-06:22:32.1 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19831221_a pol149 HRAS_085 RICHMOND 0/ 0 deselected baseline 19831221_a pol149 ONSALA85 RICHMOND 0/ 0 deselected baseline 19831221_a pol149 ONSALA85 WESTFORD 0/ 0 deselected baseline 19831221_a pol149 ONSALA85 WETTZELL 0/ 0 deselected baseline 19831221_a pol149 RICHMOND WESTFORD 0/ 0 deselected baseline 19831221_a pol149 RICHMOND WETTZELL 0/ 0 deselected baseline 19831221_a pol149 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 39 40.289 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 0212+735 J0217+7349 41 41 95 58.059 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 0234+285 J0237+2848 20 20 52 52.576 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 0552+398 J0555+3948 23 23 47 43.816 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 1637+574 J1638+5720 12 12 74 88.960 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 2134+00 J2136+0041 10 10 44 43.211 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 3C273B J1229+0203 12 12 20 9.422 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 3C345 J1642+3948 15 15 51 23.325 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 3C454.3 J2253+1608 7 7 40 41.646 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: 4C39.25 J0927+3902 8 8 47 120.292 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: NRAO150 J0359+5057 16 16 63 42.796 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: OJ287 J0854+2006 17 17 26 25.005 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: OQ208 J1407+2827 11 11 36 95.271 19831221_a pol149 1983.12.22-06:22:32.160 SRC_STAT: VR422201 J2202+4216 10 10 82 59.577 19831221_a pol149 1983.12.22-06:22:32.160 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.12.22-06:21:59 1. HRAS_085 7216 NOAM X Comp -1324211096.41 mm -79.405 mm 18.581 mm 18.584 mm 2. HRAS_085 7216 NOAM Y Comp -5332023025.50 mm 56.502 mm 28.818 mm 28.822 mm 3. HRAS_085 7216 NOAM Z Comp 3232118483.43 mm 176.432 mm 30.434 mm 30.439 mm HRAS_085 7216 U Comp 59.19 mm 59.194 mm 35.510 mm 27.302 mm HRAS_085 7216 E Comp -90.68 mm -90.683 mm 16.590 mm 12.755 mm HRAS_085 7216 N Comp 170.00 mm 169.996 mm 23.788 mm 18.290 mm 4. HRAS_085 CL 0 1983.12.21-18:01:28.776 -672.460 ns 0.201 ns 0.201 ns 5. HRAS_085 CL 1 1983.12.21-18:01:28.776 0.654 D-14 2.155 D-14 2.156 D-14 6. HRAS_085 CL 2 1983.12.21-18:01:28.776 3.167 D-14/day 1.899 D-14/day 1.900 D-14/day 32. HRAS_085 AT 0 1983.12.21-18:01:28.776 -109.361 ps 61.402 ps 61.410 ps HRAS_085 Atm 1983.12.22-06:32:00.960 Avg: -87.980 ps Rms: 39.440 ps Tot_Rms: 96.416 ps || Nat: 113 Dura: 85980.0 sec Tzd_avg: 6545.3 Tzd_rms: 46.0 Wzd_avg: 167.2 Wzd_rms: 34.0 ps Prs_avg: 83796. Pa Tem_avg: 5.0 C Stm_avg: -4.1 C Stm_rms: 4.4 K Spr_avg: -151. Spr_rms: 44. Pa 108. HRAS_085 NG 1983.12.21-18:00:28.776 0.003 mm 0.422 mm 0.422 mm 109. HRAS_085 EG 1983.12.21-18:00:28.776 -0.011 mm 0.422 mm 0.422 mm 110. HRAS_085 NG 1983.12.22-02:00:28.776 -0.004 mm 0.377 mm 0.377 mm 111. HRAS_085 EG 1983.12.22-02:00:28.776 -0.000 mm 0.377 mm 0.377 mm 112. HRAS_085 NG 1983.12.22-10:00:28.776 -0.005 mm 0.377 mm 0.377 mm 113. HRAS_085 EG 1983.12.22-10:00:28.776 0.018 mm 0.377 mm 0.377 mm 114. HRAS_085 NG 1983.12.22-18:00:28.776 -0.014 mm 0.422 mm 0.422 mm 115. HRAS_085 EG 1983.12.22-18:00:28.776 0.022 mm 0.422 mm 0.422 mm 116. ONSALA60 7213 EURA X Comp 3370606000.11 mm 11.114 mm 21.323 mm 21.326 mm 117. ONSALA60 7213 EURA Y Comp 711917440.24 mm -88.755 mm 12.174 mm 12.176 mm 118. ONSALA60 7213 EURA Z Comp 5349830669.12 mm -96.882 mm 33.510 mm 33.515 mm ONSALA60 7213 U Comp -85.64 mm -85.639 mm 38.569 mm 29.655 mm ONSALA60 7213 E Comp -89.14 mm -89.136 mm 12.155 mm 9.346 mm ONSALA60 7213 N Comp -45.91 mm -45.913 mm 9.511 mm 7.313 mm 119. ONSALA60 CL 0 1983.12.21-18:01:28.776 -3468.676 ns 0.275 ns 0.275 ns 120. ONSALA60 CL 1 1983.12.21-18:01:28.776 -37.919 D-14 2.180 D-14 2.180 D-14 121. ONSALA60 CL 2 1983.12.21-18:01:28.776 2.832 D-14/day 1.945 D-14/day 1.945 D-14/day 147. ONSALA60 AT 0 1983.12.21-18:01:28.776 10.087 ps 57.306 ps 57.314 ps ONSALA60 Atm 1983.12.22-06:32:00.960 Avg: -39.921 ps Rms: 27.518 ps Tot_Rms: 48.486 ps || Nat: 124 Dura: 85390.0 sec Tzd_avg: 7825.2 Tzd_rms: 10.9 Wzd_avg: 303.3 Wzd_rms: 10.2 ps Prs_avg: 99498. Pa Tem_avg: 1.8 C Stm_avg: -1.6 C Stm_rms: 0.4 K Spr_avg: 165. Spr_rms: 17. Pa 223. ONSALA60 NG 1983.12.21-18:00:28.776 0.026 mm 0.422 mm 0.422 mm 224. ONSALA60 EG 1983.12.21-18:00:28.776 -0.010 mm 0.422 mm 0.422 mm 225. ONSALA60 NG 1983.12.22-02:00:28.776 0.008 mm 0.377 mm 0.377 mm 226. ONSALA60 EG 1983.12.22-02:00:28.776 -0.006 mm 0.377 mm 0.377 mm 227. ONSALA60 NG 1983.12.22-10:00:28.776 -0.017 mm 0.377 mm 0.377 mm 228. ONSALA60 EG 1983.12.22-10:00:28.776 -0.000 mm 0.377 mm 0.377 mm 229. ONSALA60 NG 1983.12.22-18:00:28.776 -0.017 mm 0.422 mm 0.422 mm 230. ONSALA60 EG 1983.12.22-18:00:28.776 0.013 mm 0.422 mm 0.422 mm 231. WESTFORD 7209 NOAM X Comp 1492206567.31 mm 24.312 mm 17.200 mm 17.203 mm 232. WESTFORD 7209 NOAM Y Comp -4458130353.51 mm 168.490 mm 15.864 mm 15.866 mm 233. WESTFORD 7209 NOAM Z Comp 4296015546.18 mm -0.824 mm 27.717 mm 27.721 mm WESTFORD 7209 U Comp -112.47 mm -112.466 mm 28.061 mm 21.575 mm WESTFORD 7209 E Comp 76.53 mm 76.534 mm 17.015 mm 13.082 mm WESTFORD 7209 N Comp 102.35 mm 102.346 mm 15.454 mm 11.882 mm 234. WESTFORD AT 0 1983.12.21-18:01:28.776 -29.751 ps 32.441 ps 32.446 ps WESTFORD Atm 1983.12.22-06:32:00.960 Avg: -22.104 ps Rms: 19.598 ps Tot_Rms: 29.541 ps || Nat: 184 Dura: 88860.0 sec Tzd_avg: 8002.2 Tzd_rms: 79.2 Wzd_avg: 251.3 Wzd_rms: 129.1 ps Prs_avg: 102360. Pa Tem_avg: -4.8 C Stm_avg: -0.6 C Stm_rms: 0.8 K Spr_avg: 171. Spr_rms: 49. Pa 310. WESTFORD NG 1983.12.21-18:00:28.776 -0.017 mm 0.422 mm 0.422 mm 311. WESTFORD EG 1983.12.21-18:00:28.776 0.019 mm 0.422 mm 0.422 mm 312. WESTFORD NG 1983.12.22-02:00:28.776 -0.000 mm 0.377 mm 0.377 mm 313. WESTFORD EG 1983.12.22-02:00:28.776 0.006 mm 0.376 mm 0.376 mm 314. WESTFORD NG 1983.12.22-10:00:28.776 0.015 mm 0.377 mm 0.377 mm 315. WESTFORD EG 1983.12.22-10:00:28.776 -0.010 mm 0.377 mm 0.377 mm 316. WESTFORD NG 1983.12.22-18:00:28.776 0.029 mm 0.422 mm 0.422 mm 317. WESTFORD EG 1983.12.22-18:00:28.776 -0.013 mm 0.422 mm 0.422 mm 318. WETTZELL 7224 EURA X Comp 4075539884.98 mm 43.980 mm 25.658 mm 25.662 mm 319. WETTZELL 7224 EURA Y Comp 931735177.76 mm -136.237 mm 14.020 mm 14.022 mm 320. WETTZELL 7224 EURA Z Comp 4801629314.27 mm -78.726 mm 34.796 mm 34.801 mm WETTZELL 7224 U Comp -51.36 mm -51.362 mm 41.760 mm 32.109 mm WETTZELL 7224 E Comp -142.61 mm -142.612 mm 13.472 mm 10.358 mm WETTZELL 7224 N Comp -60.96 mm -60.961 mm 11.842 mm 9.105 mm 321. WETTZELL CL 0 1983.12.21-18:01:28.776 459.234 ns 0.311 ns 0.311 ns 322. WETTZELL CL 1 1983.12.21-18:01:28.776 -233.601 D-14 2.202 D-14 2.202 D-14 323. WETTZELL CL 2 1983.12.21-18:01:28.776 1.957 D-14/day 1.933 D-14/day 1.934 D-14/day 349. WETTZELL AT 0 1983.12.21-18:01:28.776 -82.030 ps 101.014 ps 101.028 ps WETTZELL Atm 1983.12.22-06:32:00.960 Avg: -55.465 ps Rms: 15.612 ps Tot_Rms: 57.621 ps || Nat: 78 Dura: 88860.0 sec Tzd_avg: 7367.7 Tzd_rms: 9.1 Wzd_avg: 299.4 Wzd_rms: 30.3 ps Prs_avg: 93533. Pa Tem_avg: 10.6 C Stm_avg: 10.0 C Stm_rms: 0.4 K Spr_avg: 272. Spr_rms: 369. Pa 425. WETTZELL NG 1983.12.21-18:00:28.776 -0.014 mm 0.422 mm 0.422 mm 426. WETTZELL EG 1983.12.21-18:00:28.776 0.014 mm 0.422 mm 0.422 mm 427. WETTZELL NG 1983.12.22-02:00:28.776 -0.008 mm 0.377 mm 0.377 mm 428. WETTZELL EG 1983.12.22-02:00:28.776 0.004 mm 0.377 mm 0.377 mm 429. WETTZELL NG 1983.12.22-10:00:28.776 0.008 mm 0.377 mm 0.377 mm 430. WETTZELL EG 1983.12.22-10:00:28.776 -0.002 mm 0.377 mm 0.377 mm 431. WETTZELL NG 1983.12.22-18:00:28.776 0.010 mm 0.422 mm 0.422 mm 432. WETTZELL EG 1983.12.22-18:00:28.776 -0.008 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.01 ps/h NRMS 0.24 share 0.94 count 76 2. ONSALA60 Input 50.00 ps/h RMS 9.70 ps/h NRMS 0.19 share 0.92 count 76 5. WESTFORD Input 50.00 ps/h RMS 14.17 ps/h NRMS 0.28 share 0.82 count 76 6. WETTZELL Input 50.00 ps/h RMS 6.04 ps/h NRMS 0.12 share 0.95 count 76 Overall RMS 10.90 ps/h NRMS 0.22 share 0.91 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 5. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 6. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.56 D-14 NRMS 0.51 share 0.34 count 26 2. ONSALA60 Input 5.00 D-14 RMS 2.12 D-14 NRMS 0.42 share 0.42 count 26 6. WETTZELL Input 5.00 D-14 RMS 1.25 D-14 NRMS 0.25 share 0.68 count 26 Overall RMS 2.05 D-14 NRMS 0.41 share 0.48 count 78 433. UT1-TAI 1, 1983.12.22-06:22:00.000 -1.7228 ms/d 49.13 micros/d 105.06 micros/d 105.07 micros/d EOP epoch (TDT) MJD: 45690.265650 NUT epoch (TDT) MJD: 45690.295668 434. Nutation DPSI wrt apriori model 1983.12.22-06:21:59.976 0.294 mas 1441.2 microasec 1441.4 microasec Nutation Dx wrt apriori model 1983.12.22-06:21:59.976 0.115 mas 571.0 microasec 571.1 microasec Nutation DPSI wrt Wahr 1980 model 1983.12.22-06:21:59.976 1.740 mas 1441.2 microasec 1441.4 microasec 435. Nutation DEPS wrt apriori model 1983.12.22-06:21:59.976 0.568 mas 636.8 microasec 636.9 microasec Nutation Dy wrt apriori model 1983.12.22-06:21:59.976 0.569 mas 638.9 microasec 639.0 microasec Nutation DEPS wrt Wahr 1980 model 1983.12.22-06:21:59.976 4.246 mas 636.8 microasec 636.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1658 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.12.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732259.98 45.39 7940732259.98 45.39 254.33 11.21 149.77 63.47 HRAS_085 7216 to WESTFORD 7209 3134928040.44 12.89 3134928040.44 12.89 111.62 6.80 195.28 47.64 HRAS_085 7216 to WETTZELL 7224 8417561507.82 49.03 8417561507.82 49.03 311.15 11.55 90.29 66.20 ONSALA60 7213 to WESTFORD 7209 5600741462.72 25.84 5600741462.72 25.84 89.38 9.54 -2.65 62.52 ONSALA60 7213 to WETTZELL 7224 919660994.72 10.97 919660994.72 10.97 53.77 10.19 -27.63 54.82 WESTFORD 7209 to WETTZELL 7224 5998325329.45 29.68 5998325329.45 29.68 153.61 11.20 -42.22 65.69 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:51 Correlator type: Unknown Experiment code: xal836 Mark-3 db_name: $83DEC22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831222_a Ver 2 xal836 Matrix Condition Number = 2.457320657853991E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET -1.4 3.3 998.2 4.1 77.4 35.1 ONSALA60 MET 2.6 0.3 990.6 2.2 99.1 2.5 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1742 377 Observation Pairs Available Session started on: 2445691.305700 1983.12.22 19:20:12.480 UTC Nominal duration: 85008.960 sec 00 23:36:48.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 145 26.023 ps 0.70 0.8184 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 157 Number of potentially good observations with QC 5-9: 157 Number of used observations: 145 ( 92.36%) Number of suppressed observations: 12 ( 7.64%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 145 157 26.023 0.70 19831222_a xal836 1983.12.23-07:08:36.9 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19831222_a xal836 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 10 21 40.583 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 0212+735 J0217+7349 15 17 52 31.038 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 0528+134 J0530+1331 10 11 22 53.252 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 0552+398 J0555+3948 18 18 40 33.925 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 2216-038 J2218-0335 7 7 17 29.540 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 3C273B J1229+0203 10 10 21 6.824 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 3C345 J1642+3948 17 21 47 22.156 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 3C454.3 J2253+1608 7 7 25 68.011 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: 4C39.25 J0927+3902 16 18 37 31.092 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: OJ287 J0854+2006 12 12 25 19.962 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: OQ208 J1407+2827 13 14 29 50.358 19831222_a xal836 1983.12.23-07:08:36.960 SRC_STAT: VR422201 J2202+4216 12 12 41 23.622 19831222_a xal836 1983.12.23-07:08:36.960 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.12.23-07:08:04 1. HAYSTACK 7205 NOAM X Comp 1492404693.59 mm -2.406 mm 6.088 mm 5.508 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266405.17 mm 129.825 mm 6.089 mm 5.509 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881832.92 mm 38.917 mm 9.548 mm 8.638 mm HAYSTACK 7205 U Comp -64.79 mm -64.794 mm 10.852 mm 7.590 mm HAYSTACK 7205 E Comp 38.94 mm 38.938 mm 5.102 mm 3.568 mm HAYSTACK 7205 N Comp 112.52 mm 112.519 mm 4.639 mm 3.244 mm 4. HAYSTACK AT 0 1983.12.22-19:19:40.296 -20.574 ps 47.044 ps 42.559 ps HAYSTACK Atm 1983.12.23-07:20:12.480 Avg: -27.202 ps Rms: 41.529 ps Tot_Rms: 49.645 ps || Nat: 195 Dura: 85010.0 sec Tzd_avg: 7752.6 Tzd_rms: 188.1 Wzd_avg: 230.8 Wzd_rms: 201.9 ps Prs_avg: 99826. Pa Tem_avg: -1.4 C Stm_avg: 0.2 C Stm_rms: 2.1 K Spr_avg: 660. Spr_rms: 44. Pa 77. HAYSTACK NG 1983.12.22-19:18:40.296 -0.015 mm 0.422 mm 0.382 mm 78. HAYSTACK EG 1983.12.22-19:18:40.296 -0.015 mm 0.422 mm 0.382 mm 79. HAYSTACK NG 1983.12.23-03:18:40.296 -0.015 mm 0.377 mm 0.341 mm 80. HAYSTACK EG 1983.12.23-03:18:40.296 -0.036 mm 0.377 mm 0.341 mm 81. HAYSTACK NG 1983.12.23-11:18:40.296 -0.010 mm 0.377 mm 0.341 mm 82. HAYSTACK EG 1983.12.23-11:18:40.296 0.002 mm 0.377 mm 0.341 mm 83. HAYSTACK NG 1983.12.23-19:18:40.296 -0.018 mm 0.422 mm 0.382 mm 84. HAYSTACK EG 1983.12.23-19:18:40.296 0.009 mm 0.422 mm 0.382 mm 85. ONSALA60 7213 EURA X Comp 3370605991.41 mm 2.406 mm 6.088 mm 5.508 mm 86. ONSALA60 7213 EURA Y Comp 711917399.17 mm -129.825 mm 6.089 mm 5.509 mm 87. ONSALA60 7213 EURA Z Comp 5349830727.08 mm -38.917 mm 9.548 mm 8.638 mm ONSALA60 7213 U Comp -45.97 mm -45.972 mm 10.598 mm 7.412 mm ONSALA60 7213 E Comp -127.52 mm -127.520 mm 6.671 mm 4.665 mm ONSALA60 7213 N Comp -0.35 mm -0.352 mm 2.916 mm 2.039 mm 88. ONSALA60 CL 0 1983.12.22-19:19:40.296 -11252.788 ns 0.220 ns 0.199 ns 89. ONSALA60 CL 1 1983.12.22-19:19:40.296 -32.166 D-14 2.231 D-14 2.019 D-14 90. ONSALA60 CL 2 1983.12.22-19:19:40.296 -0.953 D-14/day 1.932 D-14/day 1.747 D-14/day 115. ONSALA60 AT 0 1983.12.22-19:19:40.296 -27.087 ps 32.020 ps 28.968 ps ONSALA60 Atm 1983.12.23-07:20:12.480 Avg: -21.621 ps Rms: 14.946 ps Tot_Rms: 26.284 ps || Nat: 191 Dura: 85010.0 sec Tzd_avg: 7798.3 Tzd_rms: 26.8 Wzd_avg: 310.5 Wzd_rms: 29.6 ps Prs_avg: 99063. Pa Tem_avg: 2.6 C Stm_avg: -1.5 C Stm_rms: 1.0 K Spr_avg: 177. Spr_rms: 35. Pa 188. ONSALA60 NG 1983.12.22-19:18:40.296 0.006 mm 0.422 mm 0.382 mm 189. ONSALA60 EG 1983.12.22-19:18:40.296 -0.003 mm 0.422 mm 0.382 mm 190. ONSALA60 NG 1983.12.23-03:18:40.296 -0.011 mm 0.377 mm 0.341 mm 191. ONSALA60 EG 1983.12.23-03:18:40.296 -0.015 mm 0.377 mm 0.341 mm 192. ONSALA60 NG 1983.12.23-11:18:40.296 -0.021 mm 0.375 mm 0.339 mm 193. ONSALA60 EG 1983.12.23-11:18:40.296 -0.019 mm 0.376 mm 0.340 mm 194. ONSALA60 NG 1983.12.23-19:18:40.296 -0.038 mm 0.422 mm 0.381 mm 195. ONSALA60 EG 1983.12.23-19:18:40.296 -0.003 mm 0.422 mm 0.382 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 18.91 ps/h NRMS 0.38 share 0.80 count 73 2. ONSALA60 Input 50.00 ps/h RMS 17.12 ps/h NRMS 0.34 share 0.76 count 73 Overall RMS 18.04 ps/h NRMS 0.36 share 0.78 count 146 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 1.98 D-14 NRMS 0.40 share 0.27 count 25 Overall RMS 1.98 D-14 NRMS 0.40 share 0.27 count 25 196. UT1-TAI 1, 1983.12.23-07:08:00.000 -1.9282 ms/d 28.96 micros/d 67.66 micros/d 61.21 micros/d EOP epoch (TDT) MJD: 45691.297595 NUT epoch (TDT) MJD: 45691.364747 197. Nutation DPSI wrt apriori model 1983.12.23-07:08:04.776 -2.555 mas 1435.7 microasec 1298.9 microasec Nutation Dx wrt apriori model 1983.12.23-07:08:04.776 -1.019 mas 570.1 microasec 515.8 microasec Nutation DPSI wrt Wahr 1980 model 1983.12.23-07:08:04.776 -0.626 mas 1435.7 microasec 1298.9 microasec 198. Nutation DEPS wrt apriori model 1983.12.23-07:08:04.776 0.628 mas 293.5 microasec 265.5 microasec Nutation Dy wrt apriori model 1983.12.23-07:08:04.776 0.624 mas 295.5 microasec 267.4 microasec Nutation DEPS wrt Wahr 1980 model 1983.12.23-07:08:04.776 4.491 mas 293.5 microasec 265.5 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.9298 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.12.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714518.79 9.33 5599714518.79 9.33 95.87 5.01 -21.16 23.43 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:54 Correlator type: Unknown Experiment code: pol150 Mark-3 db_name: $83DEC26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831226_a Ver 2 pol150 Matrix Condition Number = 1.388462077607009E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.8 1.3 833.4 1.2 36.0 3.5 WESTFORD MET -8.9 1.1 1006.6 1.8 21.7 1.2 Run 26091-1742 206 Observation Pairs Available Session started on: 2445695.230600 1983.12.26 17:32:03.840 UTC Nominal duration: 82494.720 sec 00 22:54:54.720 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 177 45.868 ps 0.86 1.0169 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 177 Number of potentially good observations with QC 5-9: 177 Number of used observations: 177 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 177 177 45.868 0.86 19831226_a pol150 1983.12.27-04:59:31.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 10 58.347 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 0212+735 J0217+7349 10 10 13 119.391 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 0234+285 J0237+2848 14 14 15 66.660 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 0552+398 J0555+3948 17 17 17 53.965 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 1637+574 J1638+5720 12 12 19 108.895 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 2134+00 J2136+0041 11 11 12 28.611 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 3C273B J1229+0203 12 12 12 16.489 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 3C345 J1642+3948 16 16 17 22.407 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 3C454.3 J2253+1608 13 13 13 49.431 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: 4C39.25 J0927+3902 9 9 17 31.339 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: NRAO150 J0359+5057 19 19 19 66.409 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: OJ287 J0854+2006 13 13 14 24.906 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: OQ208 J1407+2827 15 15 16 110.529 19831226_a pol150 1983.12.27-04:59:31.200 SRC_STAT: VR422201 J2202+4216 6 6 12 105.312 19831226_a pol150 1983.12.27-04:59:31.200 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1983.12.27-04:58:59 1. HRAS_085 7216 NOAM X Comp -1324211060.65 mm -43.653 mm 3.783 mm 3.815 mm 2. HRAS_085 7216 NOAM Y Comp -5332023118.50 mm -36.495 mm 14.354 mm 14.475 mm 3. HRAS_085 7216 NOAM Z Comp 3232118395.75 mm 88.749 mm 10.511 mm 10.599 mm HRAS_085 7216 U Comp 84.75 mm 84.754 mm 17.415 mm 14.954 mm HRAS_085 7216 E Comp -33.57 mm -33.570 mm 3.938 mm 3.382 mm HRAS_085 7216 N Comp 52.95 mm 52.949 mm 3.469 mm 2.979 mm 4. HRAS_085 CL 0 1983.12.26-17:31:31.656 -845.966 ns 0.205 ns 0.206 ns 5. HRAS_085 CL 1 1983.12.26-17:31:31.656 4.201 D-14 2.166 D-14 2.185 D-14 6. HRAS_085 CL 2 1983.12.26-17:31:31.656 1.242 D-14/day 1.941 D-14/day 1.957 D-14/day 30. HRAS_085 AT 0 1983.12.26-17:31:31.656 -5.801 ps 53.975 ps 54.428 ps HRAS_085 Atm 1983.12.27-05:02:03.840 Avg: -44.737 ps Rms: 40.267 ps Tot_Rms: 60.189 ps || Nat: 206 Dura: 82500.0 sec Tzd_avg: 6592.7 Tzd_rms: 25.5 Wzd_avg: 262.1 Wzd_rms: 30.6 ps Prs_avg: 83332. Pa Tem_avg: 8.8 C Stm_avg: -0.6 C Stm_rms: 0.9 K Spr_avg: -32. Spr_rms: 58. Pa 100. HRAS_085 NG 1983.12.26-17:30:31.656 -0.001 mm 0.422 mm 0.426 mm 101. HRAS_085 EG 1983.12.26-17:30:31.656 -0.005 mm 0.422 mm 0.426 mm 102. HRAS_085 NG 1983.12.27-01:30:31.656 -0.014 mm 0.377 mm 0.380 mm 103. HRAS_085 EG 1983.12.27-01:30:31.656 -0.038 mm 0.377 mm 0.380 mm 104. HRAS_085 NG 1983.12.27-09:30:31.656 0.004 mm 0.377 mm 0.380 mm 105. HRAS_085 EG 1983.12.27-09:30:31.656 0.010 mm 0.377 mm 0.380 mm 106. HRAS_085 NG 1983.12.27-17:30:31.656 0.009 mm 0.422 mm 0.426 mm 107. HRAS_085 EG 1983.12.27-17:30:31.656 0.030 mm 0.422 mm 0.426 mm 108. WESTFORD 7209 NOAM X Comp 1492206586.65 mm 43.653 mm 3.783 mm 3.815 mm 109. WESTFORD 7209 NOAM Y Comp -4458130485.50 mm 36.495 mm 14.354 mm 14.475 mm 110. WESTFORD 7209 NOAM Z Comp 4296015458.25 mm -88.749 mm 10.511 mm 10.599 mm WESTFORD 7209 U Comp -75.36 mm -75.359 mm 16.593 mm 14.248 mm WESTFORD 7209 E Comp 52.98 mm 52.980 mm 6.814 mm 5.851 mm WESTFORD 7209 N Comp -51.26 mm -51.264 mm 3.012 mm 2.586 mm 111. WESTFORD AT 0 1983.12.26-17:31:31.656 -11.668 ps 52.476 ps 52.917 ps WESTFORD Atm 1983.12.27-05:02:03.840 Avg: -15.833 ps Rms: 18.858 ps Tot_Rms: 24.623 ps || Nat: 206 Dura: 82500.0 sec Tzd_avg: 7739.9 Tzd_rms: 29.4 Wzd_avg: 117.1 Wzd_rms: 22.6 ps Prs_avg: 100661. Pa Tem_avg: -8.9 C Stm_avg: 4.7 C Stm_rms: 1.6 K Spr_avg: 214. Spr_rms: 51. Pa 181. WESTFORD NG 1983.12.26-17:30:31.656 -0.007 mm 0.422 mm 0.426 mm 182. WESTFORD EG 1983.12.26-17:30:31.656 -0.001 mm 0.422 mm 0.426 mm 183. WESTFORD NG 1983.12.27-01:30:31.656 -0.012 mm 0.377 mm 0.380 mm 184. WESTFORD EG 1983.12.27-01:30:31.656 0.012 mm 0.377 mm 0.380 mm 185. WESTFORD NG 1983.12.27-09:30:31.656 -0.008 mm 0.377 mm 0.380 mm 186. WESTFORD EG 1983.12.27-09:30:31.656 -0.011 mm 0.377 mm 0.380 mm 187. WESTFORD NG 1983.12.27-17:30:31.656 -0.007 mm 0.422 mm 0.426 mm 188. WESTFORD EG 1983.12.27-17:30:31.656 -0.014 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.35 ps/h NRMS 0.29 share 0.88 count 70 2. WESTFORD Input 50.00 ps/h RMS 16.70 ps/h NRMS 0.33 share 0.80 count 70 Overall RMS 15.57 ps/h NRMS 0.31 share 0.84 count 140 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.02 D-14 NRMS 0.40 share 0.22 count 24 Overall RMS 2.02 D-14 NRMS 0.40 share 0.22 count 24 189. UT1-TAI 1, 1983.12.27-04:59:00.000 -2.3300 ms/d 192.24 micros/d 251.09 micros/d 253.20 micros/d EOP epoch (TDT) MJD: 45695.208011 NUT epoch (TDT) MJD: 45695.249972 190. Nutation DPSI wrt apriori model 1983.12.27-04:58:59.016 -1.591 mas 1572.0 microasec 1585.2 microasec Nutation Dx wrt apriori model 1983.12.27-04:58:59.016 -0.629 mas 621.4 microasec 626.6 microasec Nutation DPSI wrt Wahr 1980 model 1983.12.27-04:58:59.016 0.486 mas 1572.0 microasec 1585.2 microasec 191. Nutation DEPS wrt apriori model 1983.12.27-04:58:59.016 -0.961 mas 1105.6 microasec 1114.9 microasec Nutation Dy wrt apriori model 1983.12.27-04:58:59.016 -0.963 mas 1107.8 microasec 1117.1 microasec Nutation DEPS wrt Wahr 1980 model 1983.12.27-04:58:59.016 2.962 mas 1105.6 microasec 1114.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1065 1 Baseline information for run 26091-174 Monument to monument values at epoch 1983.12.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928014.75 8.35 3134928014.75 8.35 125.76 5.16 164.78 35.03 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1742 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:42:57 Correlator type: Unknown Experiment code: pol151 Mark-3 db_name: $83DEC31X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19831231_a Ver 2 pol151 Matrix Condition Number = 1.028641458152582E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: CABL_DEL GION | | WESTFORD: CABL_DEL GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 4.1 5.2 845.3 0.9 21.4 4.1 WESTFORD MET -4.1 2.3 1020.8 2.1 20.7 1.0 Run 26091-1742 198 Observation Pairs Available Session started on: 2445700.246600 1983.12.31 17:55:06.240 UTC Nominal duration: 87549.120 sec 01 00:19:09.120 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 156 47.903 ps 0.84 1.0172 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 165 Number of potentially good observations with QC 5-9: 165 Number of used observations: 156 ( 94.55%) Number of suppressed observations: 9 ( 5.45%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 156 165 47.903 0.84 19831231_a pol151 1984.01.01-06:04:40.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 9 58.497 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 0212+735 J0217+7349 10 10 11 71.385 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 0234+285 J0237+2848 9 9 12 53.144 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 0552+398 J0555+3948 13 13 15 55.594 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 1637+574 J1638+5720 14 19 21 80.580 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 2134+00 J2136+0041 8 8 11 48.953 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 3C273B J1229+0203 13 13 14 27.036 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 3C345 J1642+3948 18 18 19 22.207 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 3C454.3 J2253+1608 10 11 11 66.997 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: 4C39.25 J0927+3902 6 7 15 58.176 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: NRAO150 J0359+5057 15 16 18 86.573 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: OJ287 J0854+2006 12 12 13 24.765 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: OQ208 J1407+2827 14 15 18 88.234 19831231_a pol151 1984.01.01-06:04:40.800 SRC_STAT: VR422201 J2202+4216 6 6 11 74.965 19831231_a pol151 1984.01.01-06:04:40.800 ------------------------------------------------ Parameter adjustments for run 26091-1742 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.01-06:04:08 1. HRAS_085 7216 NOAM X Comp -1324211124.78 mm -107.783 mm 4.276 mm 4.312 mm 2. HRAS_085 7216 NOAM Y Comp -5332022956.95 mm 125.052 mm 15.646 mm 15.779 mm 3. HRAS_085 7216 NOAM Z Comp 3232118428.37 mm 121.365 mm 11.605 mm 11.704 mm HRAS_085 7216 U Comp -20.23 mm -20.225 mm 19.103 mm 16.111 mm HRAS_085 7216 E Comp -134.75 mm -134.746 mm 4.290 mm 3.618 mm HRAS_085 7216 N Comp 153.03 mm 153.033 mm 3.797 mm 3.203 mm 4. HRAS_085 CL 0 1983.12.31-17:54:34.056 -0.171 ns 0.217 ns 0.218 ns 5. HRAS_085 CL 1 1983.12.31-17:54:34.056 6.375 D-14 2.118 D-14 2.136 D-14 6. HRAS_085 CL 2 1983.12.31-17:54:34.056 -1.724 D-14/day 1.783 D-14/day 1.798 D-14/day 32. HRAS_085 AT 0 1983.12.31-17:54:34.056 -11.911 ps 50.685 ps 51.118 ps HRAS_085 Atm 1984.01.01-06:25:06.240 Avg: -28.809 ps Rms: 38.836 ps Tot_Rms: 48.355 ps || Nat: 198 Dura: 87550.0 sec Tzd_avg: 6533.9 Tzd_rms: 18.5 Wzd_avg: 119.3 Wzd_rms: 16.1 ps Prs_avg: 84526. Pa Tem_avg: 4.1 C Stm_avg: -4.5 C Stm_rms: 5.1 K Spr_avg: 120. Spr_rms: 82. Pa 108. HRAS_085 NG 1983.12.31-17:53:34.056 -0.008 mm 0.422 mm 0.426 mm 109. HRAS_085 EG 1983.12.31-17:53:34.056 0.007 mm 0.422 mm 0.426 mm 110. HRAS_085 NG 1984.01.01-01:53:34.056 -0.025 mm 0.377 mm 0.380 mm 111. HRAS_085 EG 1984.01.01-01:53:34.056 -0.003 mm 0.377 mm 0.380 mm 112. HRAS_085 NG 1984.01.01-09:53:34.056 0.024 mm 0.377 mm 0.380 mm 113. HRAS_085 EG 1984.01.01-09:53:34.056 0.002 mm 0.377 mm 0.380 mm 114. HRAS_085 NG 1984.01.01-17:53:34.056 0.018 mm 0.422 mm 0.426 mm 115. HRAS_085 EG 1984.01.01-17:53:34.056 0.018 mm 0.422 mm 0.426 mm 116. WESTFORD 7209 NOAM X Comp 1492206650.78 mm 107.783 mm 4.276 mm 4.312 mm 117. WESTFORD 7209 NOAM Y Comp -4458130647.05 mm -125.052 mm 15.646 mm 15.779 mm 118. WESTFORD 7209 NOAM Z Comp 4296015425.63 mm -121.365 mm 11.605 mm 11.704 mm WESTFORD 7209 U Comp 30.28 mm 30.280 mm 18.153 mm 15.310 mm WESTFORD 7209 E Comp 62.52 mm 62.517 mm 7.607 mm 6.416 mm WESTFORD 7209 N Comp -192.77 mm -192.768 mm 3.214 mm 2.711 mm 119. WESTFORD AT 0 1983.12.31-17:54:34.056 6.778 ps 57.482 ps 57.973 ps WESTFORD Atm 1984.01.01-06:25:06.240 Avg: 30.116 ps Rms: 35.023 ps Tot_Rms: 46.191 ps || Nat: 198 Dura: 87550.0 sec Tzd_avg: 7833.2 Tzd_rms: 46.4 Wzd_avg: 102.1 Wzd_rms: 38.6 ps Prs_avg: 102078. Pa Tem_avg: -4.1 C Stm_avg: 2.4 C Stm_rms: 2.2 K Spr_avg: 212. Spr_rms: 64. Pa 195. WESTFORD NG 1983.12.31-17:53:34.056 0.013 mm 0.422 mm 0.426 mm 196. WESTFORD EG 1983.12.31-17:53:34.056 0.005 mm 0.422 mm 0.426 mm 197. WESTFORD NG 1984.01.01-01:53:34.056 0.029 mm 0.377 mm 0.380 mm 198. WESTFORD EG 1984.01.01-01:53:34.056 0.014 mm 0.377 mm 0.380 mm 199. WESTFORD NG 1984.01.01-09:53:34.056 -0.021 mm 0.377 mm 0.380 mm 200. WESTFORD EG 1984.01.01-09:53:34.056 -0.006 mm 0.377 mm 0.380 mm 201. WESTFORD NG 1984.01.01-17:53:34.056 -0.006 mm 0.422 mm 0.426 mm 202. WESTFORD EG 1984.01.01-17:53:34.056 -0.005 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.72 ps/h NRMS 0.27 share 0.90 count 76 2. WESTFORD Input 50.00 ps/h RMS 17.57 ps/h NRMS 0.35 share 0.84 count 76 Overall RMS 15.76 ps/h NRMS 0.32 share 0.87 count 152 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.60 D-14 NRMS 0.32 share 0.28 count 26 Overall RMS 1.60 D-14 NRMS 0.32 share 0.28 count 26 203. UT1-TAI 1, 1984.01.01-06:04:00.000 -1.6902 ms/d -498.39 micros/d 218.92 micros/d 220.79 micros/d EOP epoch (TDT) MJD: 45700.253150 NUT epoch (TDT) MJD: 45700.303144 204. Nutation DPSI wrt apriori model 1984.01.01-06:04:08.616 -4.519 mas 1576.0 microasec 1589.4 microasec Nutation Dx wrt apriori model 1984.01.01-06:04:08.616 -1.797 mas 623.2 microasec 628.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.01-06:04:08.616 -3.011 mas 1576.0 microasec 1589.4 microasec 205. Nutation DEPS wrt apriori model 1984.01.01-06:04:08.616 -0.147 mas 1054.3 microasec 1063.3 microasec Nutation Dy wrt apriori model 1984.01.01-06:04:08.616 -0.154 mas 1056.5 microasec 1065.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.01-06:04:08.616 3.993 mas 1054.3 microasec 1063.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1243 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928017.77 9.25 3134928017.77 9.25 404.19 5.75 -53.31 38.37 NNT_POS: 3 stations participated in NNT_POS constraints: MOJAVE12 RICHMOND WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:00 Correlator type: Unknown Experiment code: ia152 Mark-3 db_name: $84JAN04X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840104_a Ver 2 ia152 Matrix Condition Number = 6.007657058208712E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | MOJAVE12: GION | | RICHMOND: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 5.8 4.4 846.4 0.7 42.9 11.6 MOJAVE12 MET 11.8 4.1 916.6 1.1 44.2 2.6 RICHMOND MET 11.8 1.4 1017.0 0.0 28.7 23.5 WESTFORD MET 3.5 0.4 998.5 0.5 25.6 0.5 Run 26091-1743 881 Observation Pairs Available Session started on: 2445704.235400 1984.01.04 17:38:58.560 UTC Nominal duration: 87549.120 sec 01 00:19:09.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 298 72.131 ps 0.91 1.0567 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 300 Number of potentially good observations with QC 5-9: 300 Number of used observations: 298 ( 99.33%) Number of suppressed observations: 2 ( 0.67%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 RICHMOND 61 62 88.480 0.92 19840104_a ia152 1984.01.05-05:48:33.1 BAS_STAT MOJAVE12 WESTFORD 174 175 62.717 0.90 19840104_a ia152 1984.01.05-05:48:33.1 BAS_STAT RICHMOND WESTFORD 63 63 103.260 0.93 19840104_a ia152 1984.01.05-05:48:33.1 BAS_STAT Not included: HRAS_085 MOJAVE12 0/ 0 deselected baseline 19840104_a ia152 HRAS_085 RICHMOND 0/ 0 deselected baseline 19840104_a ia152 HRAS_085 WESTFORD 0/ 0 deselected baseline 19840104_a ia152 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 24 24 53 62.529 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 0212+735 J0217+7349 15 15 63 133.919 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 0234+285 J0237+2848 36 36 80 88.737 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 0552+398 J0555+3948 38 39 85 81.669 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 1637+574 J1638+5720 14 15 64 84.308 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 2134+00 J2136+0041 17 17 50 49.622 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 3C273B J1229+0203 10 10 38 33.083 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 3C345 J1642+3948 20 20 60 35.467 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 3C454.3 J2253+1608 19 19 62 88.146 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: 4C39.25 J0927+3902 24 24 66 98.755 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: NRAO150 J0359+5057 28 28 100 100.036 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: OJ287 J0854+2006 24 24 57 39.968 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: OQ208 J1407+2827 17 17 52 108.044 19840104_a ia152 1984.01.05-05:48:33.120 SRC_STAT: VR422201 J2202+4216 12 12 51 97.455 19840104_a ia152 1984.01.05-05:48:33.120 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.05-05:48:00 1. MOJAVE12 7222 NOAM X Comp -2356171021.16 mm 74.845 mm 6.806 mm 6.996 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755426.47 mm 405.528 mm 22.926 mm 23.568 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470641.55 mm 60.551 mm 15.929 mm 16.375 mm MOJAVE12 7222 U Comp -287.67 mm -287.669 mm 26.107 mm 23.769 mm MOJAVE12 7222 E Comp -116.64 mm -116.643 mm 10.934 mm 9.954 mm MOJAVE12 7222 N Comp 278.14 mm 278.140 mm 4.953 mm 4.509 mm 4. MOJAVE12 CL 0 1984.01.04-17:38:26.376 -2086.491 ns 0.221 ns 0.227 ns 5. MOJAVE12 CL 1 1984.01.04-17:38:26.376 -114.213 D-14 2.112 D-14 2.171 D-14 6. MOJAVE12 CL 2 1984.01.04-17:38:26.376 3.687 D-14/day 1.774 D-14/day 1.824 D-14/day 32. MOJAVE12 AT 0 1984.01.04-17:38:26.376 99.651 ps 40.942 ps 42.087 ps MOJAVE12 Atm 1984.01.05-06:08:58.560 Avg: 36.025 ps Rms: 39.410 ps Tot_Rms: 53.394 ps || Nat: 213 Dura: 87550.0 sec Tzd_avg: 7141.2 Tzd_rms: 34.2 Wzd_avg: 200.4 Wzd_rms: 41.4 ps Prs_avg: 91658. Pa Tem_avg: 11.7 C Stm_avg: 0.8 C Stm_rms: 4.6 K Spr_avg: 243. Spr_rms: 56. Pa 108. MOJAVE12 NG 1984.01.04-17:37:26.376 -0.005 mm 0.422 mm 0.434 mm 109. MOJAVE12 EG 1984.01.04-17:37:26.376 -0.022 mm 0.422 mm 0.434 mm 110. MOJAVE12 NG 1984.01.05-01:37:26.376 0.014 mm 0.377 mm 0.387 mm 111. MOJAVE12 EG 1984.01.05-01:37:26.376 -0.006 mm 0.377 mm 0.387 mm 112. MOJAVE12 NG 1984.01.05-09:37:26.376 0.011 mm 0.377 mm 0.387 mm 113. MOJAVE12 EG 1984.01.05-09:37:26.376 0.014 mm 0.377 mm 0.387 mm 114. MOJAVE12 NG 1984.01.05-17:37:26.376 0.007 mm 0.422 mm 0.434 mm 115. MOJAVE12 EG 1984.01.05-17:37:26.376 -0.002 mm 0.422 mm 0.434 mm 116. RICHMOND 7219 NOAM X Comp 961257815.85 mm -203.151 mm 7.543 mm 7.754 mm 117. RICHMOND 7219 NOAM Y Comp -5674090212.72 mm -162.723 mm 31.582 mm 32.466 mm 118. RICHMOND 7219 NOAM Z Comp 2740533782.83 mm -15.165 mm 19.528 mm 20.075 mm RICHMOND 7219 U Comp 107.52 mm 107.517 mm 36.155 mm 32.917 mm RICHMOND 7219 E Comp -227.48 mm -227.477 mm 6.749 mm 6.144 mm RICHMOND 7219 N Comp -68.36 mm -68.363 mm 9.107 mm 8.291 mm 119. RICHMOND CL 0 1984.01.04-17:38:26.376 7465.451 ns 0.925 ns 0.951 ns 120. RICHMOND CL 1 1984.01.04-17:38:26.376 -274.061 D-14 6.169 D-14 6.342 D-14 121. RICHMOND CL 2 1984.01.04-17:38:26.376 -0.486 D-14/day 7.813 D-14/day 8.032 D-14/day 147. RICHMOND AT 0 1984.01.04-17:38:26.376 36.029 ps 103.830 ps 106.735 ps RICHMOND Atm 1984.01.05-06:08:58.560 Avg: 37.211 ps Rms: 9.393 ps Tot_Rms: 38.379 ps || Nat: 81 Dura: 32400.0 sec Tzd_avg: 8067.9 Tzd_rms: 12.9 Wzd_avg: 342.3 Wzd_rms: 14.3 ps Prs_avg: 101700. Pa Tem_avg: 11.8 C Stm_avg: -2.6 C Stm_rms: 1.0 K Spr_avg: -51. Spr_rms: 44. Pa 223. RICHMOND NG 1984.01.04-17:37:26.376 0.003 mm 0.422 mm 0.434 mm 224. RICHMOND EG 1984.01.04-17:37:26.376 0.009 mm 0.422 mm 0.434 mm 225. RICHMOND NG 1984.01.05-01:37:26.376 0.008 mm 0.377 mm 0.388 mm 226. RICHMOND EG 1984.01.05-01:37:26.376 0.004 mm 0.377 mm 0.388 mm 227. RICHMOND NG 1984.01.05-09:37:26.376 0.010 mm 0.377 mm 0.388 mm 228. RICHMOND EG 1984.01.05-09:37:26.376 0.002 mm 0.377 mm 0.388 mm 229. RICHMOND NG 1984.01.05-17:37:26.376 0.004 mm 0.422 mm 0.434 mm 230. RICHMOND EG 1984.01.05-17:37:26.376 0.001 mm 0.422 mm 0.434 mm 231. WESTFORD 7209 NOAM X Comp 1492206671.31 mm 128.306 mm 5.566 mm 5.722 mm 232. WESTFORD 7209 NOAM Y Comp -4458130764.80 mm -242.804 mm 18.998 mm 19.530 mm 233. WESTFORD 7209 NOAM Z Comp 4296015501.61 mm -45.385 mm 14.320 mm 14.721 mm WESTFORD 7209 U Comp 168.69 mm 168.694 mm 22.449 mm 20.439 mm WESTFORD 7209 E Comp 44.60 mm 44.604 mm 7.022 mm 6.393 mm WESTFORD 7209 N Comp -216.86 mm -216.862 mm 6.610 mm 6.018 mm 234. WESTFORD AT 0 1984.01.04-17:38:26.376 39.771 ps 48.000 ps 49.343 ps WESTFORD Atm 1984.01.05-06:08:58.560 Avg: 5.495 ps Rms: 17.106 ps Tot_Rms: 17.967 ps || Nat: 221 Dura: 87550.0 sec Tzd_avg: 7797.4 Tzd_rms: 23.8 Wzd_avg: 240.1 Wzd_rms: 26.4 ps Prs_avg: 99859. Pa Tem_avg: 3.5 C Stm_avg: 3.5 C Stm_rms: 1.5 K Spr_avg: 221. Spr_rms: 36. Pa 310. WESTFORD NG 1984.01.04-17:37:26.376 0.003 mm 0.422 mm 0.434 mm 311. WESTFORD EG 1984.01.04-17:37:26.376 0.038 mm 0.422 mm 0.434 mm 312. WESTFORD NG 1984.01.05-01:37:26.376 -0.006 mm 0.377 mm 0.388 mm 313. WESTFORD EG 1984.01.05-01:37:26.376 0.020 mm 0.377 mm 0.387 mm 314. WESTFORD NG 1984.01.05-09:37:26.376 0.005 mm 0.377 mm 0.388 mm 315. WESTFORD EG 1984.01.05-09:37:26.376 -0.002 mm 0.377 mm 0.387 mm 316. WESTFORD NG 1984.01.05-17:37:26.376 0.004 mm 0.422 mm 0.434 mm 317. WESTFORD EG 1984.01.05-17:37:26.376 -0.002 mm 0.422 mm 0.434 mm Atmosphere Constraint Statistics 2. MOJAVE12 Input 50.00 ps/h RMS 16.25 ps/h NRMS 0.33 share 0.88 count 76 3. RICHMOND Input 50.00 ps/h RMS 8.79 ps/h NRMS 0.18 share 0.96 count 76 4. WESTFORD Input 50.00 ps/h RMS 14.50 ps/h NRMS 0.29 share 0.83 count 76 Overall RMS 13.56 ps/h NRMS 0.27 share 0.89 count 228 Gradient Constraint Statistics 2. MOJAVE12 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. RICHMOND Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 2. MOJAVE12 Input 5.00 D-14 RMS 2.45 D-14 NRMS 0.49 share 0.26 count 26 3. RICHMOND Input 5.00 D-14 RMS 1.15 D-14 NRMS 0.23 share 0.74 count 26 Overall RMS 1.91 D-14 NRMS 0.38 share 0.50 count 52 318. UT1-TAI 1, 1984.01.05-05:48:00.000 -1.5438 ms/d -126.96 micros/d 207.37 micros/d 213.18 micros/d EOP epoch (TDT) MJD: 45704.242039 NUT epoch (TDT) MJD: 45704.227539 319. Nutation DPSI wrt apriori model 1984.01.05-05:48:00.936 0.720 mas 1459.1 microasec 1499.9 microasec Nutation Dx wrt apriori model 1984.01.05-05:48:00.936 0.286 mas 577.1 microasec 593.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.05-05:48:00.936 2.885 mas 1459.1 microasec 1499.9 microasec 320. Nutation DEPS wrt apriori model 1984.01.05-05:48:00.936 -0.031 mas 936.9 microasec 963.1 microasec Nutation Dy wrt apriori model 1984.01.05-05:48:00.936 -0.030 mas 939.0 microasec 965.3 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.05-05:48:00.936 3.733 mas 936.9 microasec 963.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1246 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.05 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to RICHMOND 7219 3594692986.25 16.51 3594692986.25 16.51 421.76 12.30 -471.67 59.18 MOJAVE12 7222 to WESTFORD 7209 3903767754.13 9.09 3903767754.13 9.09 513.35 5.87 -413.37 35.95 RICHMOND 7219 to WESTFORD 7209 2044501759.24 14.24 2044501759.24 14.24 323.02 10.70 -112.31 54.06 NNT_POS: 2 stations participated in NNT_POS constraints: GOLDVENU MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:03 Correlator type: Unknown Experiment code: curtk2 Mark-3 db_name: $84JAN07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840107_a Ver 2 curtk2 Matrix Condition Number = 1.040278974073772E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GOLDVENU is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET -999.0 0.0 -999.0 0.0 -999.0 0.0 MOJAVE12 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 Run 26091-1743 139 Observation Pairs Available Session started on: 2445706.587000 1984.01.07 02:05:16.800 UTC Nominal duration: 45601.920 sec 00 12:40:01.920 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 133 171.171 ps 0.95 1.0030 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 134 Number of potentially good observations with QC 5-9: 134 Number of used observations: 133 ( 99.25%) Number of suppressed observations: 1 ( 0.75%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GOLDVENU MOJAVE12 133 134 171.171 0.95 19840107_a curtk2 1984.01.07-08:25:17.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 2134+00 J2136+0041 2 3 3 154.490 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: 3C120 J0433+0521 15 15 15 149.276 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: 3C273B J1229+0203 14 14 14 141.997 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: 3C345 J1642+3948 11 11 12 214.253 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: 3C454.3 J2253+1608 5 5 5 129.651 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: 3C84 J0319+4130 14 14 15 152.806 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: 4C39.25 J0927+3902 24 24 26 176.173 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: NRAO150 J0359+5057 19 19 19 191.659 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: OJ287 J0854+2006 24 24 24 157.606 19840107_a curtk2 1984.01.07-08:25:17.760 SRC_STAT: VR422201 J2202+4216 5 5 6 234.838 19840107_a curtk2 1984.01.07-08:25:17.760 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.07-08:24:45 1. GOLDVENU 1513 NOAM X Comp -2351129262.73 mm -37.734 mm 11.122 mm 11.139 mm 2. GOLDVENU 1513 NOAM Y Comp -4655477077.78 mm -76.777 mm 21.458 mm 21.491 mm 3. GOLDVENU 1513 NOAM Z Comp 3660956925.05 mm 60.054 mm 18.042 mm 18.070 mm GOLDVENU 1513 U Comp 104.52 mm 104.518 mm 28.871 mm 27.335 mm GOLDVENU 1513 E Comp 0.93 mm 0.929 mm 4.338 mm 4.107 mm GOLDVENU 1513 N Comp -0.32 mm -0.324 mm 7.572 mm 7.169 mm GOLDVENU Atm 1984.01.07-08:25:17.760 Avg: 0.000 ps Rms: 0.000 ps Tot_Rms: 0.000 ps || Nat: 139 Dura: 45600.0 sec Tzd_avg: 6957.0 Tzd_rms: 5.2 Wzd_avg: 148.0 Wzd_rms: 5.9 ps Prs_avg: 89158. Pa Tem_avg: 8.1 C Stm_avg: -5.5 C Stm_rms: 1.3 K Spr_avg: -495. Spr_rms: 80. Pa 4. MOJAVE12 7222 NOAM X Comp -2356171058.27 mm 37.734 mm 11.122 mm 11.139 mm 5. MOJAVE12 7222 NOAM Y Comp -4646755755.22 mm 76.777 mm 21.458 mm 21.491 mm 6. MOJAVE12 7222 NOAM Z Comp 3668470520.95 mm -60.054 mm 18.042 mm 18.070 mm MOJAVE12 7222 U Comp -104.52 mm -104.516 mm 28.871 mm 27.335 mm MOJAVE12 7222 E Comp -1.07 mm -1.067 mm 4.341 mm 4.110 mm MOJAVE12 7222 N Comp 0.48 mm 0.476 mm 7.570 mm 7.168 mm 7. MOJAVE12 CL 0 1984.01.07-02:04:44.616 -12471.022 ns 0.236 ns 0.236 ns 8. MOJAVE12 CL 1 1984.01.07-02:04:44.616 -141.094 D-14 2.985 D-14 2.990 D-14 9. MOJAVE12 CL 2 1984.01.07-02:04:44.616 -2.967 D-14/day 4.859 D-14/day 4.866 D-14/day 23. MOJAVE12 AT 0 1984.01.07-02:03:44.616 117.792 ps 52.928 ps 0.692 ps MOJAVE12 Atm 1984.01.07-02:04:16.800 Avg: 117.792 ps Rms: 0.000 ps Tot_Rms: 117.792 ps || Nat: 139 Dura: 45600.0 sec Tzd_avg: 7096.4 Tzd_rms: 6.5 Wzd_avg: 162.4 Wzd_rms: 8.5 ps Prs_avg: 90832. Pa Tem_avg: 9.1 C Stm_avg: -2.8 C Stm_rms: 2.4 K Spr_avg: -477. Spr_rms: 70. Pa Atmosphere Constraint Statistics 2. MOJAVE12 Input 50.00 ps/h RMS 0.00 ps/h NRMS 0.00 share 0.00 count 1 Overall RMS 0.00 ps/h NRMS 0.00 share 0.00 count 1 Clock Constraint Statistics 2. MOJAVE12 Input 5.00 D-14 RMS 2.71 D-14 NRMS 0.54 share 0.42 count 14 Overall RMS 2.71 D-14 NRMS 0.54 share 0.42 count 14 EOP epoch (TDT) MJD: 45706.351067 General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0290 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GOLDVENU 1513 to MOJAVE12 7222 12567230.90 12.28 12567230.90 12.28 -1.39 12.43 208.99 57.73 NNT_POS: 2 stations participated in NNT_POS constraints: WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:06 Correlator type: Unknown Experiment code: ia154 Mark-3 db_name: $84JAN09X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840109_a Ver 2 ia154 Matrix Condition Number = 1.223228216018651E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 1.3 5.5 845.4 4.5 43.9 2.5 WESTFORD MET -2.3 0.5 1013.2 2.9 16.7 23.9 WETTZELL MET -3.1 0.4 952.6 2.5 100.0 7.7 Run 26091-1743 352 Observation Pairs Available Session started on: 2445709.250800 1984.01.09 18:01:09.120 UTC Nominal duration: 87359.040 sec 01 00:15:59.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 93 55.773 ps 0.82 1.1706 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 93 Number of potentially good observations with QC 5-9: 93 Number of used observations: 93 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps WESTFORD WETTZELL 93 93 55.773 0.82 19840109_a ia154 1984.01.10-06:09:08.6 BAS_STAT Not included: HRAS_085 WESTFORD 0/ 0 deselected baseline 19840109_a ia154 HRAS_085 WETTZELL 0/ 0 deselected baseline 19840109_a ia154 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 4 4 17 79.246 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 0212+735 J0217+7349 20 20 37 79.800 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 0234+285 J0237+2848 7 7 20 29.204 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 0552+398 J0555+3948 9 9 22 31.819 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 1637+574 J1638+5720 10 10 35 101.297 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 2134+00 J2136+0041 4 4 17 56.118 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 3C273B J1229+0203 5 5 16 32.430 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 3C345 J1642+3948 8 8 35 40.412 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 3C454.3 J2253+1608 3 3 20 93.649 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: 4C39.25 J0927+3902 2 2 30 61.414 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: NRAO150 J0359+5057 5 5 38 63.878 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: OJ287 J0854+2006 6 6 16 22.018 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: OQ208 J1407+2827 4 4 20 102.549 19840109_a ia154 1984.01.10-06:09:08.640 SRC_STAT: VR422201 J2202+4216 6 6 29 132.386 19840109_a ia154 1984.01.10-06:09:08.640 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.10-06:08:36 1. WESTFORD 7209 NOAM X Comp 1492206034.05 mm -508.951 mm 13.354 mm 14.448 mm 2. WESTFORD 7209 NOAM Y Comp -4458130124.32 mm 397.683 mm 11.657 mm 12.612 mm 3. WESTFORD 7209 NOAM Z Comp 4296015572.97 mm 25.971 mm 18.253 mm 19.748 mm WESTFORD 7209 U Comp -378.84 mm -378.843 mm 20.526 mm 16.910 mm WESTFORD 7209 E Comp -356.40 mm -356.405 mm 12.284 mm 10.120 mm WESTFORD 7209 N Comp 383.81 mm 383.811 mm 8.667 mm 7.140 mm 4. WESTFORD AT 0 1984.01.09-18:00:36.936 17.180 ps 50.244 ps 54.361 ps WESTFORD Atm 1984.01.10-06:31:09.120 Avg: 53.223 ps Rms: 28.905 ps Tot_Rms: 60.566 ps || Nat: 209 Dura: 87360.0 sec Tzd_avg: 7894.5 Tzd_rms: 69.4 Wzd_avg: 223.9 Wzd_rms: 90.8 ps Prs_avg: 101319. Pa Tem_avg: -2.3 C Stm_avg: 3.1 C Stm_rms: 3.2 K Spr_avg: 200. Spr_rms: 72. Pa 80. WESTFORD NG 1984.01.09-17:59:36.936 -0.003 mm 0.422 mm 0.457 mm 81. WESTFORD EG 1984.01.09-17:59:36.936 0.005 mm 0.422 mm 0.457 mm 82. WESTFORD NG 1984.01.10-01:59:36.936 -0.003 mm 0.377 mm 0.408 mm 83. WESTFORD EG 1984.01.10-01:59:36.936 0.004 mm 0.377 mm 0.408 mm 84. WESTFORD NG 1984.01.10-09:59:36.936 -0.018 mm 0.377 mm 0.408 mm 85. WESTFORD EG 1984.01.10-09:59:36.936 0.012 mm 0.377 mm 0.408 mm 86. WESTFORD NG 1984.01.10-17:59:36.936 -0.013 mm 0.422 mm 0.457 mm 87. WESTFORD EG 1984.01.10-17:59:36.936 -0.006 mm 0.422 mm 0.457 mm 88. WETTZELL 7224 EURA X Comp 4075540349.95 mm 508.951 mm 13.354 mm 14.448 mm 89. WETTZELL 7224 EURA Y Comp 931734916.32 mm -397.683 mm 11.657 mm 12.612 mm 90. WETTZELL 7224 EURA Z Comp 4801629367.03 mm -25.971 mm 18.253 mm 19.748 mm WETTZELL 7224 U Comp 246.93 mm 246.934 mm 21.034 mm 17.328 mm WETTZELL 7224 E Comp -501.11 mm -501.109 mm 12.437 mm 10.246 mm WETTZELL 7224 N Comp -325.22 mm -325.223 mm 7.087 mm 5.838 mm 91. WETTZELL CL 0 1984.01.09-18:00:36.936 8332.751 ns 0.257 ns 0.278 ns 92. WETTZELL CL 1 1984.01.09-18:00:36.936 -255.159 D-14 2.199 D-14 2.379 D-14 93. WETTZELL CL 2 1984.01.09-18:00:36.936 2.088 D-14/day 1.901 D-14/day 2.057 D-14/day 119. WETTZELL AT 0 1984.01.09-18:00:36.936 5.155 ps 65.131 ps 70.467 ps WETTZELL Atm 1984.01.10-06:31:09.120 Avg: -16.093 ps Rms: 18.595 ps Tot_Rms: 24.592 ps || Nat: 147 Dura: 84980.0 sec Tzd_avg: 7314.7 Tzd_rms: 15.1 Wzd_avg: 123.3 Wzd_rms: 10.0 ps Prs_avg: 95272. Pa Tem_avg: -3.1 C Stm_avg: 0.8 C Stm_rms: 0.4 K Spr_avg: 460. Spr_rms: 125. Pa 195. WETTZELL NG 1984.01.09-17:59:36.936 0.003 mm 0.422 mm 0.457 mm 196. WETTZELL EG 1984.01.09-17:59:36.936 -0.002 mm 0.422 mm 0.457 mm 197. WETTZELL NG 1984.01.10-01:59:36.936 -0.005 mm 0.377 mm 0.408 mm 198. WETTZELL EG 1984.01.10-01:59:36.936 -0.009 mm 0.377 mm 0.408 mm 199. WETTZELL NG 1984.01.10-09:59:36.936 0.001 mm 0.377 mm 0.408 mm 200. WETTZELL EG 1984.01.10-09:59:36.936 0.003 mm 0.377 mm 0.408 mm 201. WETTZELL NG 1984.01.10-17:59:36.936 -0.007 mm 0.422 mm 0.457 mm 202. WETTZELL EG 1984.01.10-17:59:36.936 0.005 mm 0.422 mm 0.457 mm Atmosphere Constraint Statistics 2. WESTFORD Input 50.00 ps/h RMS 12.48 ps/h NRMS 0.25 share 0.89 count 76 3. WETTZELL Input 50.00 ps/h RMS 11.14 ps/h NRMS 0.22 share 0.90 count 76 Overall RMS 11.83 ps/h NRMS 0.24 share 0.90 count 152 Gradient Constraint Statistics 2. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 3. WETTZELL Input 5.00 D-14 RMS 2.56 D-14 NRMS 0.51 share 0.41 count 26 Overall RMS 2.56 D-14 NRMS 0.51 share 0.41 count 26 203. UT1-TAI 1, 1984.01.10-06:09:00.000 -1.8755 ms/d 218.61 micros/d 96.17 micros/d 104.05 micros/d EOP epoch (TDT) MJD: 45709.256623 NUT epoch (TDT) MJD: 45709.251454 204. Nutation DPSI wrt apriori model 1984.01.10-06:08:36.456 -0.051 mas 2357.3 microasec 2550.4 microasec Nutation Dx wrt apriori model 1984.01.10-06:08:36.456 -0.020 mas 936.2 microasec 1012.9 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.10-06:08:36.456 2.444 mas 2357.3 microasec 2550.4 microasec 205. Nutation DEPS wrt apriori model 1984.01.10-06:08:36.456 -0.002 mas 442.6 microasec 478.9 microasec Nutation Dy wrt apriori model 1984.01.10-06:08:36.456 -0.003 mas 446.0 microasec 482.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.10-06:08:36.456 3.731 mas 442.6 microasec 478.9 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4504 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.10 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) WESTFORD 7209 to WETTZELL 7224 5998325320.68 21.29 5998325320.68 21.29 1041.97 6.93 -711.99 45.70 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:09 Correlator type: Unknown Experiment code: ia155 Mark-3 db_name: $84JAN14X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840114_a Ver 2 ia155 Matrix Condition Number = 3.056021727687149E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -0.6 5.6 842.1 0.7 43.0 4.8 RICHMOND MET 16.3 3.6 1020.9 0.8 53.1 4.5 WESTFORD MET -5.2 1.1 1014.3 0.8 75.2 4.2 Run 26091-1743 371 Observation Pairs Available Session started on: 2445714.237600 1984.01.14 17:42:08.640 UTC Nominal duration: 87359.040 sec 01 00:15:59.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 298 65.175 ps 0.95 1.2284 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 306 Number of potentially good observations with QC 5-9: 306 Number of used observations: 298 ( 97.39%) Number of suppressed observations: 8 ( 2.61%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 90 96 63.166 1.04 19840114_a ia155 1984.01.15-05:50:08.1 BAS_STAT HRAS_085 WESTFORD 115 115 48.436 0.82 19840114_a ia155 1984.01.15-05:50:08.1 BAS_STAT RICHMOND WESTFORD 93 95 127.790 1.01 19840114_a ia155 1984.01.15-05:50:08.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 24 25 25 90.835 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 0212+735 J0217+7349 6 8 20 84.060 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 0234+285 J0237+2848 21 22 25 71.910 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 0552+398 J0555+3948 24 24 24 65.569 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 1637+574 J1638+5720 16 18 24 126.800 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 2134+00 J2136+0041 21 22 28 95.385 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 3C273B J1229+0203 29 29 29 30.294 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 3C345 J1642+3948 31 31 35 25.762 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 3C454.3 J2253+1608 23 23 23 76.259 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: 4C39.25 J0927+3902 17 17 34 96.374 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: NRAO150 J0359+5057 26 26 29 111.207 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: OJ287 J0854+2006 23 23 23 41.916 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: OQ208 J1407+2827 27 27 29 65.289 19840114_a ia155 1984.01.15-05:50:08.160 SRC_STAT: VR422201 J2202+4216 10 11 23 81.544 19840114_a ia155 1984.01.15-05:50:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.15-05:49:35 1. HRAS_085 7216 NOAM X Comp -1324211059.69 mm -42.686 mm 4.690 mm 5.198 mm 2. HRAS_085 7216 NOAM Y Comp -5332022969.51 mm 112.495 mm 19.234 mm 21.318 mm 3. HRAS_085 7216 NOAM Z Comp 3232118418.57 mm 111.575 mm 12.392 mm 13.735 mm HRAS_085 7216 U Comp -28.23 mm -28.228 mm 22.239 mm 21.160 mm HRAS_085 7216 E Comp -68.54 mm -68.542 mm 5.928 mm 5.640 mm HRAS_085 7216 N Comp 146.39 mm 146.394 mm 3.973 mm 3.780 mm 4. HRAS_085 CL 0 1984.01.14-17:41:36.456 10976.338 ns 0.172 ns 0.191 ns 5. HRAS_085 CL 1 1984.01.14-17:41:36.456 8.007 D-14 2.083 D-14 2.309 D-14 6. HRAS_085 CL 2 1984.01.14-17:41:36.456 2.719 D-14/day 1.757 D-14/day 1.947 D-14/day 32. HRAS_085 AT 0 1984.01.14-17:41:36.456 -65.972 ps 50.128 ps 55.558 ps HRAS_085 Atm 1984.01.15-06:12:08.640 Avg: -50.200 ps Rms: 16.085 ps Tot_Rms: 52.714 ps || Nat: 138 Dura: 87360.0 sec Tzd_avg: 6549.5 Tzd_rms: 28.1 Wzd_avg: 155.4 Wzd_rms: 28.8 ps Prs_avg: 84204. Pa Tem_avg: -0.5 C Stm_avg: -5.3 C Stm_rms: 4.1 K Spr_avg: 51. Spr_rms: 61. Pa 108. HRAS_085 NG 1984.01.14-17:40:36.456 0.005 mm 0.422 mm 0.468 mm 109. HRAS_085 EG 1984.01.14-17:40:36.456 -0.001 mm 0.422 mm 0.468 mm 110. HRAS_085 NG 1984.01.15-01:40:36.456 0.007 mm 0.377 mm 0.418 mm 111. HRAS_085 EG 1984.01.15-01:40:36.456 0.015 mm 0.377 mm 0.417 mm 112. HRAS_085 NG 1984.01.15-09:40:36.456 0.006 mm 0.377 mm 0.418 mm 113. HRAS_085 EG 1984.01.15-09:40:36.456 0.008 mm 0.377 mm 0.417 mm 114. HRAS_085 NG 1984.01.15-17:40:36.456 -0.002 mm 0.422 mm 0.468 mm 115. HRAS_085 EG 1984.01.15-17:40:36.456 0.015 mm 0.422 mm 0.468 mm 116. RICHMOND 7219 NOAM X Comp 961257922.76 mm -96.241 mm 5.074 mm 5.624 mm 117. RICHMOND 7219 NOAM Y Comp -5674090086.80 mm -36.800 mm 23.159 mm 25.668 mm 118. RICHMOND 7219 NOAM Z Comp 2740533747.67 mm -50.330 mm 12.501 mm 13.855 mm RICHMOND 7219 U Comp -3.54 mm -3.536 mm 25.987 mm 24.726 mm RICHMOND 7219 E Comp -101.04 mm -101.036 mm 4.089 mm 3.890 mm RICHMOND 7219 N Comp -54.12 mm -54.119 mm 5.129 mm 4.880 mm 119. RICHMOND CL 0 1984.01.14-17:41:36.456 19668.052 ns 0.212 ns 0.235 ns 120. RICHMOND CL 1 1984.01.14-17:41:36.456 91.770 D-14 2.098 D-14 2.326 D-14 121. RICHMOND CL 2 1984.01.14-17:41:36.456 1.770 D-14/day 1.788 D-14/day 1.982 D-14/day 147. RICHMOND AT 0 1984.01.14-17:41:36.456 39.778 ps 83.593 ps 92.649 ps RICHMOND Atm 1984.01.15-06:12:08.640 Avg: 6.056 ps Rms: 39.479 ps Tot_Rms: 39.941 ps || Nat: 123 Dura: 87360.0 sec Tzd_avg: 8262.1 Tzd_rms: 45.9 Wzd_avg: 525.8 Wzd_rms: 45.4 ps Prs_avg: 102093. Pa Tem_avg: 16.3 C Stm_avg: -3.1 C Stm_rms: 2.7 K Spr_avg: 111. Spr_rms: 97. Pa 223. RICHMOND NG 1984.01.14-17:40:36.456 -0.011 mm 0.422 mm 0.468 mm 224. RICHMOND EG 1984.01.14-17:40:36.456 0.006 mm 0.422 mm 0.468 mm 225. RICHMOND NG 1984.01.15-01:40:36.456 0.004 mm 0.377 mm 0.418 mm 226. RICHMOND EG 1984.01.15-01:40:36.456 -0.006 mm 0.377 mm 0.418 mm 227. RICHMOND NG 1984.01.15-09:40:36.456 0.032 mm 0.377 mm 0.418 mm 228. RICHMOND EG 1984.01.15-09:40:36.456 0.015 mm 0.377 mm 0.418 mm 229. RICHMOND NG 1984.01.15-17:40:36.456 0.027 mm 0.422 mm 0.468 mm 230. RICHMOND EG 1984.01.15-17:40:36.456 0.002 mm 0.422 mm 0.468 mm 231. WESTFORD 7209 NOAM X Comp 1492206681.93 mm 138.928 mm 4.579 mm 5.075 mm 232. WESTFORD 7209 NOAM Y Comp -4458130597.70 mm -75.695 mm 16.663 mm 18.468 mm 233. WESTFORD 7209 NOAM Z Comp 4296015485.75 mm -61.245 mm 12.061 mm 13.367 mm WESTFORD 7209 U Comp 43.81 mm 43.814 mm 19.628 mm 18.676 mm WESTFORD 7209 E Comp 107.72 mm 107.717 mm 5.257 mm 5.002 mm WESTFORD 7209 N Comp -123.53 mm -123.527 mm 5.585 mm 5.314 mm 234. WESTFORD AT 0 1984.01.14-17:41:36.456 -12.141 ps 39.463 ps 43.739 ps WESTFORD Atm 1984.01.15-06:12:08.640 Avg: -43.319 ps Rms: 19.582 ps Tot_Rms: 47.539 ps || Nat: 147 Dura: 87360.0 sec Tzd_avg: 7838.3 Tzd_rms: 31.0 Wzd_avg: 157.2 Wzd_rms: 34.4 ps Prs_avg: 101426. Pa Tem_avg: -5.2 C Stm_avg: 1.5 C Stm_rms: 2.9 K Spr_avg: 192. Spr_rms: 44. Pa 310. WESTFORD NG 1984.01.14-17:40:36.456 0.022 mm 0.422 mm 0.468 mm 311. WESTFORD EG 1984.01.14-17:40:36.456 0.010 mm 0.422 mm 0.468 mm 312. WESTFORD NG 1984.01.15-01:40:36.456 0.015 mm 0.377 mm 0.418 mm 313. WESTFORD EG 1984.01.15-01:40:36.456 0.010 mm 0.377 mm 0.418 mm 314. WESTFORD NG 1984.01.15-09:40:36.456 -0.027 mm 0.377 mm 0.418 mm 315. WESTFORD EG 1984.01.15-09:40:36.456 0.016 mm 0.377 mm 0.418 mm 316. WESTFORD NG 1984.01.15-17:40:36.456 -0.008 mm 0.422 mm 0.468 mm 317. WESTFORD EG 1984.01.15-17:40:36.456 0.029 mm 0.422 mm 0.468 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.52 ps/h NRMS 0.29 share 0.89 count 76 2. RICHMOND Input 50.00 ps/h RMS 20.78 ps/h NRMS 0.42 share 0.91 count 76 3. WESTFORD Input 50.00 ps/h RMS 15.88 ps/h NRMS 0.32 share 0.83 count 76 Overall RMS 17.27 ps/h NRMS 0.35 share 0.88 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.64 D-14 NRMS 0.33 share 0.26 count 26 2. RICHMOND Input 5.00 D-14 RMS 4.27 D-14 NRMS 0.85 share 0.31 count 26 Overall RMS 3.24 D-14 NRMS 0.65 share 0.28 count 52 318. UT1-TAI 1, 1984.01.15-05:50:00.000 -1.2139 ms/d 436.02 micros/d 186.09 micros/d 206.25 micros/d EOP epoch (TDT) MJD: 45714.243428 NUT epoch (TDT) MJD: 45714.273480 319. Nutation DPSI wrt apriori model 1984.01.15-05:49:35.976 2.825 mas 1524.9 microasec 1690.1 microasec Nutation Dx wrt apriori model 1984.01.15-05:49:35.976 1.121 mas 604.1 microasec 669.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.15-05:49:35.976 4.306 mas 1524.9 microasec 1690.1 microasec 320. Nutation DEPS wrt apriori model 1984.01.15-05:49:35.976 0.857 mas 717.9 microasec 795.7 microasec Nutation Dy wrt apriori model 1984.01.15-05:49:35.976 0.861 mas 720.1 microasec 798.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.15-05:49:35.976 5.140 mas 717.9 microasec 795.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3126 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.15 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632826.13 9.39 2362632826.13 9.39 219.71 7.14 -55.53 44.10 HRAS_085 7216 to WESTFORD 7209 3134928028.26 8.30 3134928028.26 8.30 305.62 6.11 -46.40 33.98 RICHMOND 7219 to WESTFORD 7209 2044501773.42 10.44 2044501773.42 10.44 225.81 5.92 -71.18 40.44 NNT_POS: 2 stations participated in NNT_POS constraints: GOLDVENU MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:11 Correlator type: Unknown Experiment code: curtk3 Mark-3 db_name: $84JAN14XP Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840114_b Ver 2 curtk3 Matrix Condition Number = 6.215472581061476E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GOLDVENU: GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GOLDVENU is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GOLDVENU MET -999.0 0.0 -999.0 0.0 -999.0 0.0 MOJAVE12 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 Run 26091-1743 142 Observation Pairs Available Session started on: 2445713.625900 1984.01.14 03:01:17.760 UTC Nominal duration: 43917.120 sec 00 12:11:57.120 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 120 90.005 ps 0.94 1.0014 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 123 Number of potentially good observations with QC 5-9: 123 Number of used observations: 120 ( 97.56%) Number of suppressed observations: 3 ( 2.44%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GOLDVENU MOJAVE12 120 123 90.005 0.94 19840114_b curtk3 1984.01.14-09:07:16.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 3C120 J0433+0521 12 12 12 97.314 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: 3C273B J1229+0203 20 20 20 70.472 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: 3C345 J1642+3948 15 15 16 90.803 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: 3C454.3 J2253+1608 0 0 2 0.000 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: 3C84 J0319+4130 10 11 13 100.260 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: 4C39.25 J0927+3902 24 25 31 100.806 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: NRAO150 J0359+5057 14 14 17 82.535 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: OJ287 J0854+2006 24 25 28 90.058 19840114_b curtk3 1984.01.14-09:07:16.320 SRC_STAT: VR422201 J2202+4216 1 1 3 119.305 19840114_b curtk3 1984.01.14-09:07:16.320 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.14-09:06:44 1. GOLDVENU 1513 NOAM X Comp -2351129225.73 mm -0.728 mm 6.468 mm 6.472 mm 2. GOLDVENU 1513 NOAM Y Comp -4655476997.18 mm 3.823 mm 11.925 mm 11.933 mm 3. GOLDVENU 1513 NOAM Z Comp 3660956861.73 mm -3.275 mm 10.387 mm 10.394 mm GOLDVENU 1513 U Comp -4.41 mm -4.409 mm 16.389 mm 15.328 mm GOLDVENU 1513 E Comp -2.37 mm -2.373 mm 2.419 mm 2.263 mm GOLDVENU 1513 N Comp -0.89 mm -0.894 mm 4.179 mm 3.909 mm GOLDVENU Atm 1984.01.14-09:07:16.320 Avg: 0.000 ps Rms: 0.000 ps Tot_Rms: 0.000 ps || Nat: 142 Dura: 43920.0 sec Tzd_avg: 6836.0 Tzd_rms: 8.0 Wzd_avg: 104.4 Wzd_rms: 11.2 ps Prs_avg: 89158. Pa Tem_avg: 8.1 C Stm_avg: 4.2 C Stm_rms: 1.7 K Spr_avg: 539. Spr_rms: 122. Pa 4. MOJAVE12 7222 NOAM X Comp -2356171095.27 mm 0.728 mm 6.468 mm 6.472 mm 5. MOJAVE12 7222 NOAM Y Comp -4646755835.82 mm -3.823 mm 11.925 mm 11.933 mm 6. MOJAVE12 7222 NOAM Z Comp 3668470584.27 mm 3.275 mm 10.387 mm 10.394 mm MOJAVE12 7222 U Comp 4.41 mm 4.407 mm 16.389 mm 15.329 mm MOJAVE12 7222 E Comp 2.38 mm 2.378 mm 2.419 mm 2.262 mm MOJAVE12 7222 N Comp 0.89 mm 0.890 mm 4.177 mm 3.907 mm 7. MOJAVE12 CL 0 1984.01.14-03:00:45.576 -13167.426 ns 0.149 ns 0.149 ns 8. MOJAVE12 CL 1 1984.01.14-03:00:45.576 -144.739 D-14 3.016 D-14 3.018 D-14 9. MOJAVE12 CL 2 1984.01.14-03:00:45.576 4.564 D-14/day 5.178 D-14/day 5.181 D-14/day 22. MOJAVE12 AT 0 1984.01.14-02:59:45.576 -61.182 ps 29.269 ps 0.641 ps MOJAVE12 Atm 1984.01.14-03:00:17.760 Avg: -61.182 ps Rms: 0.000 ps Tot_Rms: 61.182 ps || Nat: 142 Dura: 43920.0 sec Tzd_avg: 6978.4 Tzd_rms: 8.3 Wzd_avg: 119.5 Wzd_rms: 8.9 ps Prs_avg: 90832. Pa Tem_avg: 9.1 C Stm_avg: 5.9 C Stm_rms: 1.7 K Spr_avg: 528. Spr_rms: 135. Pa Atmosphere Constraint Statistics 2. MOJAVE12 Input 50.00 ps/h RMS 0.00 ps/h NRMS 0.00 share 0.00 count 1 Overall RMS 0.00 ps/h NRMS 0.00 share 0.00 count 1 Clock Constraint Statistics 2. MOJAVE12 Input 5.00 D-14 RMS 2.74 D-14 NRMS 0.55 share 0.29 count 13 Overall RMS 2.74 D-14 NRMS 0.55 share 0.29 count 13 EOP epoch (TDT) MJD: 45713.380234 General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0309 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GOLDVENU 1513 to MOJAVE12 7222 12567224.45 6.45 12567224.45 6.45 4.74 7.17 -8.78 32.78 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:14 Correlator type: Unknown Experiment code: ia156 Mark-3 db_name: $84JAN24X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840124_a Ver 4 ia156 Matrix Condition Number = 1.337453107946722E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 4.8 4.9 840.8 2.7 27.2 2.6 ONSALA60 MET -5.1 0.5 1003.2 4.7 84.1 0.8 RICHMOND MET 19.9 3.5 1016.7 0.7 53.7 1.1 WESTFORD MET 4.0 1.9 998.7 4.8 67.6 3.6 WETTZELL MET -2.4 0.7 935.0 7.0 82.1 9.5 Run 26091-1743 742 Observation Pairs Available Session started on: 2445724.235900 1984.01.24 17:39:41.760 UTC Nominal duration: 87687.360 sec 01 00:21:27.360 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 455 51.324 ps 0.82 0.9604 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 490 Number of potentially good observations with QC 5-9: 490 Number of used observations: 455 ( 92.86%) Number of suppressed observations: 35 ( 7.14%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 21 26 103.093 0.94 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT HRAS_085 RICHMOND 31 38 29.956 0.71 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT HRAS_085 WESTFORD 88 90 53.909 0.83 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT HRAS_085 WETTZELL 35 37 51.613 0.81 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT ONSALA60 RICHMOND 13 13 101.294 0.90 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT ONSALA60 WESTFORD 55 63 60.799 0.81 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT ONSALA60 WETTZELL 83 84 40.757 0.80 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT RICHMOND WESTFORD 40 43 77.269 0.88 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT RICHMOND WETTZELL 14 15 137.837 0.95 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT WESTFORD WETTZELL 75 81 48.905 0.78 19840124_a ia156 1984.01.25-05:50:25.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 23 24 45 77.489 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 0212+735 J0217+7349 62 63 95 57.986 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 0234+285 J0237+2848 44 44 48 40.217 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 0552+398 J0555+3948 55 56 57 59.023 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 1637+574 J1638+5720 25 27 71 77.127 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 2134+00 J2136+0041 18 20 37 79.306 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 3C273B J1229+0203 34 35 35 28.980 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 3C345 J1642+3948 29 29 43 31.482 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 3C454.3 J2253+1608 14 17 38 77.401 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: 4C39.25 J0927+3902 24 24 59 56.570 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: NRAO150 J0359+5057 38 57 65 52.748 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: OJ287 J0854+2006 43 43 45 36.393 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: OQ208 J1407+2827 25 28 40 81.905 19840124_a ia156 1984.01.25-05:50:25.440 SRC_STAT: VR422201 J2202+4216 21 23 64 85.847 19840124_a ia156 1984.01.25-05:50:25.440 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.25-05:49:53 1. HRAS_085 7216 NOAM X Comp -1324211049.97 mm -32.967 mm 11.309 mm 11.083 mm 2. HRAS_085 7216 NOAM Y Comp -5332023030.12 mm 51.880 mm 31.114 mm 30.491 mm 3. HRAS_085 7216 NOAM Z Comp 3232118472.20 mm 165.199 mm 22.385 mm 21.937 mm HRAS_085 7216 U Comp 47.70 mm 47.699 mm 37.506 mm 30.767 mm HRAS_085 7216 E Comp -44.50 mm -44.500 mm 8.824 mm 7.239 mm HRAS_085 7216 N Comp 163.75 mm 163.749 mm 10.607 mm 8.701 mm 4. HRAS_085 CL 0 1984.01.24-17:39:09.576 3810.273 ns 0.270 ns 0.264 ns 5. HRAS_085 CL 1 1984.01.24-17:39:09.576 54.828 D-14 2.204 D-14 2.159 D-14 6. HRAS_085 CL 2 1984.01.24-17:39:09.576 1.088 D-14/day 1.930 D-14/day 1.892 D-14/day 32. HRAS_085 AT 0 1984.01.24-17:39:09.576 46.522 ps 61.462 ps 60.232 ps HRAS_085 Atm 1984.01.25-06:09:41.760 Avg: 93.009 ps Rms: 31.035 ps Tot_Rms: 98.050 ps || Nat: 114 Dura: 87690.0 sec Tzd_avg: 6517.5 Tzd_rms: 32.6 Wzd_avg: 135.6 Wzd_rms: 50.1 ps Prs_avg: 84110. Pa Tem_avg: 4.3 C Stm_avg: -1.9 C Stm_rms: 2.4 K Spr_avg: 126. Spr_rms: 78. Pa 108. HRAS_085 NG 1984.01.24-17:38:09.576 -0.006 mm 0.422 mm 0.414 mm 109. HRAS_085 EG 1984.01.24-17:38:09.576 -0.015 mm 0.422 mm 0.414 mm 110. HRAS_085 NG 1984.01.25-01:38:09.576 -0.011 mm 0.377 mm 0.369 mm 111. HRAS_085 EG 1984.01.25-01:38:09.576 0.004 mm 0.377 mm 0.369 mm 112. HRAS_085 NG 1984.01.25-09:38:09.576 0.014 mm 0.377 mm 0.369 mm 113. HRAS_085 EG 1984.01.25-09:38:09.576 0.009 mm 0.377 mm 0.369 mm 114. HRAS_085 NG 1984.01.25-17:38:09.576 0.017 mm 0.422 mm 0.414 mm 115. HRAS_085 EG 1984.01.25-17:38:09.576 -0.009 mm 0.422 mm 0.414 mm 116. ONSALA60 7213 EURA X Comp 3370606002.88 mm 13.879 mm 14.065 mm 13.783 mm 117. ONSALA60 7213 EURA Y Comp 711917369.16 mm -159.836 mm 15.058 mm 14.756 mm 118. ONSALA60 7213 EURA Z Comp 5349830689.06 mm -76.940 mm 23.541 mm 23.070 mm ONSALA60 7213 U Comp -75.30 mm -75.296 mm 26.049 mm 21.369 mm ONSALA60 7213 E Comp -159.25 mm -159.254 mm 15.024 mm 12.324 mm ONSALA60 7213 N Comp -25.07 mm -25.072 mm 8.629 mm 7.079 mm 119. ONSALA60 AT 0 1984.01.24-17:39:09.576 12.382 ps 53.449 ps 52.380 ps ONSALA60 Atm 1984.01.25-06:09:41.760 Avg: 7.244 ps Rms: 15.297 ps Tot_Rms: 16.925 ps || Nat: 119 Dura: 82440.0 sec Tzd_avg: 7750.2 Tzd_rms: 39.9 Wzd_avg: 166.3 Wzd_rms: 5.7 ps Prs_avg: 100353. Pa Tem_avg: -5.1 C Stm_avg: -1.5 C Stm_rms: 0.7 K Spr_avg: 260. Spr_rms: 26. Pa 195. ONSALA60 NG 1984.01.24-17:38:09.576 -0.004 mm 0.422 mm 0.413 mm 196. ONSALA60 EG 1984.01.24-17:38:09.576 0.009 mm 0.422 mm 0.414 mm 197. ONSALA60 NG 1984.01.25-01:38:09.576 -0.024 mm 0.377 mm 0.369 mm 198. ONSALA60 EG 1984.01.25-01:38:09.576 -0.032 mm 0.377 mm 0.369 mm 199. ONSALA60 NG 1984.01.25-09:38:09.576 0.016 mm 0.376 mm 0.369 mm 200. ONSALA60 EG 1984.01.25-09:38:09.576 -0.021 mm 0.377 mm 0.369 mm 201. ONSALA60 NG 1984.01.25-17:38:09.576 0.031 mm 0.422 mm 0.413 mm 202. ONSALA60 EG 1984.01.25-17:38:09.576 0.014 mm 0.422 mm 0.414 mm 203. RICHMOND 7219 NOAM X Comp 961257951.94 mm -67.062 mm 10.443 mm 10.234 mm 204. RICHMOND 7219 NOAM Y Comp -5674089861.87 mm 188.131 mm 40.571 mm 39.759 mm 205. RICHMOND 7219 NOAM Z Comp 2740533780.55 mm -17.452 mm 24.920 mm 24.422 mm RICHMOND 7219 U Comp -184.91 mm -184.906 mm 46.430 mm 38.088 mm RICHMOND 7219 E Comp -34.70 mm -34.696 mm 8.876 mm 7.281 mm RICHMOND 7219 N Comp 69.29 mm 69.293 mm 11.897 mm 9.759 mm 206. RICHMOND CL 0 1984.01.24-17:39:09.576 4727.389 ns 0.476 ns 0.466 ns 207. RICHMOND CL 1 1984.01.24-17:39:09.576 119.694 D-14 2.914 D-14 2.856 D-14 208. RICHMOND CL 2 1984.01.24-17:39:09.576 -2.011 D-14/day 2.824 D-14/day 2.768 D-14/day 234. RICHMOND AT 0 1984.01.24-17:39:09.576 258.687 ps 103.365 ps 101.297 ps RICHMOND Atm 1984.01.25-06:09:41.760 Avg: 222.514 ps Rms: 39.183 ps Tot_Rms: 225.937 ps || Nat: 79 Dura: 86310.0 sec Tzd_avg: 8359.7 Tzd_rms: 16.0 Wzd_avg: 656.7 Wzd_rms: 16.0 ps Prs_avg: 101668. Pa Tem_avg: 19.7 C Stm_avg: -3.9 C Stm_rms: 3.1 K Spr_avg: 63. Spr_rms: 60. Pa 310. RICHMOND NG 1984.01.24-17:38:09.576 0.004 mm 0.422 mm 0.414 mm 311. RICHMOND EG 1984.01.24-17:38:09.576 0.009 mm 0.422 mm 0.414 mm 312. RICHMOND NG 1984.01.25-01:38:09.576 0.001 mm 0.377 mm 0.369 mm 313. RICHMOND EG 1984.01.25-01:38:09.576 -0.017 mm 0.377 mm 0.369 mm 314. RICHMOND NG 1984.01.25-09:38:09.576 0.001 mm 0.377 mm 0.369 mm 315. RICHMOND EG 1984.01.25-09:38:09.576 -0.009 mm 0.377 mm 0.369 mm 316. RICHMOND NG 1984.01.25-17:38:09.576 0.002 mm 0.422 mm 0.414 mm 317. RICHMOND EG 1984.01.25-17:38:09.576 -0.011 mm 0.422 mm 0.414 mm 318. WESTFORD 7209 NOAM X Comp 1492206575.73 mm 32.731 mm 8.130 mm 7.967 mm 319. WESTFORD 7209 NOAM Y Comp -4458130400.81 mm 121.186 mm 15.102 mm 14.800 mm 320. WESTFORD 7209 NOAM Z Comp 4296015540.49 mm -6.508 mm 14.710 mm 14.416 mm WESTFORD 7209 U Comp -81.33 mm -81.334 mm 19.508 mm 16.003 mm WESTFORD 7209 E Comp 69.50 mm 69.504 mm 8.531 mm 6.998 mm WESTFORD 7209 N Comp 65.98 mm 65.982 mm 7.565 mm 6.205 mm 321. WESTFORD CL 0 1984.01.24-17:39:09.576 -7454.936 ns 0.183 ns 0.180 ns 322. WESTFORD CL 1 1984.01.24-17:39:09.576 43.908 D-14 2.117 D-14 2.075 D-14 323. WESTFORD CL 2 1984.01.24-17:39:09.576 -0.144 D-14/day 1.864 D-14/day 1.826 D-14/day 349. WESTFORD AT 0 1984.01.24-17:39:09.576 20.114 ps 29.568 ps 28.977 ps WESTFORD Atm 1984.01.25-06:09:41.760 Avg: 12.052 ps Rms: 20.626 ps Tot_Rms: 23.889 ps || Nat: 177 Dura: 87690.0 sec Tzd_avg: 7854.9 Tzd_rms: 158.5 Wzd_avg: 300.6 Wzd_rms: 125.7 ps Prs_avg: 99841. Pa Tem_avg: 4.0 C Stm_avg: -0.0 C Stm_rms: 2.0 K Spr_avg: 217. Spr_rms: 49. Pa 425. WESTFORD NG 1984.01.24-17:38:09.576 0.001 mm 0.422 mm 0.414 mm 426. WESTFORD EG 1984.01.24-17:38:09.576 0.043 mm 0.421 mm 0.413 mm 427. WESTFORD NG 1984.01.25-01:38:09.576 0.022 mm 0.377 mm 0.369 mm 428. WESTFORD EG 1984.01.25-01:38:09.576 0.025 mm 0.375 mm 0.368 mm 429. WESTFORD NG 1984.01.25-09:38:09.576 -0.027 mm 0.377 mm 0.369 mm 430. WESTFORD EG 1984.01.25-09:38:09.576 -0.011 mm 0.376 mm 0.369 mm 431. WESTFORD NG 1984.01.25-17:38:09.576 -0.024 mm 0.422 mm 0.413 mm 432. WESTFORD EG 1984.01.25-17:38:09.576 0.001 mm 0.421 mm 0.412 mm 433. WETTZELL 7224 EURA X Comp 4075539894.42 mm 53.418 mm 13.157 mm 12.894 mm 434. WETTZELL 7224 EURA Y Comp 931735112.64 mm -201.361 mm 14.808 mm 14.512 mm 435. WETTZELL 7224 EURA Z Comp 4801629328.70 mm -64.299 mm 18.654 mm 18.280 mm WETTZELL 7224 U Comp -43.93 mm -43.925 mm 20.763 mm 17.032 mm WETTZELL 7224 E Comp -208.20 mm -208.202 mm 14.792 mm 12.134 mm WETTZELL 7224 N Comp -47.51 mm -47.506 mm 9.512 mm 7.803 mm 436. WETTZELL CL 0 1984.01.24-17:39:09.576 2675.039 ns 0.136 ns 0.133 ns 437. WETTZELL CL 1 1984.01.24-17:39:09.576 -226.404 D-14 2.106 D-14 2.064 D-14 438. WETTZELL CL 2 1984.01.24-17:39:09.576 2.358 D-14/day 1.889 D-14/day 1.851 D-14/day 464. WETTZELL AT 0 1984.01.24-17:39:09.576 -40.931 ps 50.834 ps 49.817 ps WETTZELL Atm 1984.01.25-06:09:41.760 Avg: 0.508 ps Rms: 15.978 ps Tot_Rms: 15.986 ps || Nat: 113 Dura: 84480.0 sec Tzd_avg: 7198.2 Tzd_rms: 49.0 Wzd_avg: 152.9 Wzd_rms: 14.2 ps Prs_avg: 93541. Pa Tem_avg: -2.4 C Stm_avg: -0.7 C Stm_rms: 1.1 K Spr_avg: 643. Spr_rms: 74. Pa 540. WETTZELL NG 1984.01.24-17:38:09.576 0.030 mm 0.422 mm 0.413 mm 541. WETTZELL EG 1984.01.24-17:38:09.576 -0.030 mm 0.422 mm 0.413 mm 542. WETTZELL NG 1984.01.25-01:38:09.576 0.019 mm 0.377 mm 0.369 mm 543. WETTZELL EG 1984.01.25-01:38:09.576 0.016 mm 0.377 mm 0.369 mm 544. WETTZELL NG 1984.01.25-09:38:09.576 -0.007 mm 0.376 mm 0.369 mm 545. WETTZELL EG 1984.01.25-09:38:09.576 0.018 mm 0.376 mm 0.369 mm 546. WETTZELL NG 1984.01.25-17:38:09.576 -0.032 mm 0.422 mm 0.413 mm 547. WETTZELL EG 1984.01.25-17:38:09.576 -0.014 mm 0.422 mm 0.414 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.01 ps/h NRMS 0.22 share 0.92 count 76 2. ONSALA60 Input 50.00 ps/h RMS 15.85 ps/h NRMS 0.32 share 0.86 count 76 3. RICHMOND Input 50.00 ps/h RMS 15.92 ps/h NRMS 0.32 share 0.95 count 76 4. WESTFORD Input 50.00 ps/h RMS 12.89 ps/h NRMS 0.26 share 0.80 count 76 5. WETTZELL Input 50.00 ps/h RMS 13.45 ps/h NRMS 0.27 share 0.83 count 76 Overall RMS 13.95 ps/h NRMS 0.28 share 0.87 count 380 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 3. RICHMOND Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.53 count 8 5. WETTZELL Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.64 D-14 NRMS 0.33 share 0.35 count 26 3. RICHMOND Input 5.00 D-14 RMS 2.14 D-14 NRMS 0.43 share 0.54 count 26 4. WESTFORD Input 5.00 D-14 RMS 1.78 D-14 NRMS 0.36 share 0.31 count 26 5. WETTZELL Input 5.00 D-14 RMS 1.71 D-14 NRMS 0.34 share 0.29 count 26 Overall RMS 1.83 D-14 NRMS 0.37 share 0.37 count 104 548. UT1-TAI 1, 1984.01.25-05:50:00.000 -2.0111 ms/d -110.55 micros/d 70.97 micros/d 69.55 micros/d EOP epoch (TDT) MJD: 45724.243428 NUT epoch (TDT) MJD: 45724.220227 549. Nutation DPSI wrt apriori model 1984.01.25-05:49:53.256 -0.859 mas 1142.0 microasec 1119.2 microasec Nutation Dx wrt apriori model 1984.01.25-05:49:53.256 -0.342 mas 453.2 microasec 444.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.25-05:49:53.256 1.579 mas 1142.0 microasec 1119.2 microasec 550. Nutation DEPS wrt apriori model 1984.01.25-05:49:53.256 0.064 mas 318.9 microasec 312.5 microasec Nutation Dy wrt apriori model 1984.01.25-05:49:53.256 0.063 mas 320.5 microasec 314.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.25-05:49:53.256 4.064 mas 318.9 microasec 312.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0297 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732191.88 35.23 7940732191.88 35.23 237.07 8.07 101.17 48.23 HRAS_085 7216 to RICHMOND 7219 2362632807.93 13.81 2362632807.93 13.81 102.56 11.09 205.80 68.74 HRAS_085 7216 to WESTFORD 7209 3134927996.27 13.01 3134927996.27 13.01 114.13 6.65 158.66 45.39 HRAS_085 7216 to WETTZELL 7224 8417561443.85 34.87 8417561443.85 34.87 301.14 7.38 51.62 44.42 ONSALA60 7213 to RICHMOND 7219 7307152437.31 37.99 7307152437.31 37.99 136.90 9.97 152.43 58.09 ONSALA60 7213 to WESTFORD 7209 5600741443.69 15.65 5600741443.69 15.65 76.57 6.05 24.34 36.93 ONSALA60 7213 to WETTZELL 7224 919661004.55 6.43 919661004.55 6.43 50.06 6.80 -27.87 28.54 RICHMOND 7219 to WESTFORD 7209 2044501738.21 13.44 2044501738.21 13.44 90.60 7.49 -79.50 58.01 RICHMOND 7219 to WETTZELL 7224 7588398412.69 37.61 7588398412.69 37.61 187.17 10.26 -204.88 54.82 WESTFORD 7209 to WETTZELL 7224 5998325315.57 13.43 5998325315.57 13.43 148.17 5.54 -64.60 31.98 NNT_POS: 2 stations participated in NNT_POS constraints: KASHIMA MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:17 Correlator type: Unknown Experiment code: pac841 Mark-3 db_name: $84JAN24XK Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840124_b Ver 2 pac841 Matrix Condition Number = 6.159775441408643E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- KASHIMA : GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for KASHIMA is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms KASHIMA MET 2.6 2.8 1014.6 2.0 62.0 8.8 MOJAVE12 MET 7.0 4.6 914.9 1.8 53.1 6.0 Run 26091-1743 122 Observation Pairs Available Session started on: 2445722.608600 1984.01.23 02:36:23.040 UTC Nominal duration: 78192.000 sec 00 21:43:12.000 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 114 45.100 ps 0.76 0.9888 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 119 Number of potentially good observations with QC 5-9: 119 Number of used observations: 114 ( 95.80%) Number of suppressed observations: 5 ( 4.20%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps KASHIMA MOJAVE12 114 119 45.100 0.76 19840124_b pac841 1984.01.23-13:27:59.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 6 6 6 45.238 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 0212+735 J0217+7349 22 23 24 44.067 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 0528+134 J0530+1331 9 10 11 66.214 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 0552+398 J0555+3948 9 9 9 39.992 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 1741-038 J1743-0350 7 7 7 26.388 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 2216-038 J2218-0335 2 2 2 11.777 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 3C273B J1229+0203 6 6 6 43.314 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 3C345 J1642+3948 13 14 14 30.284 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 3C454.3 J2253+1608 4 5 6 104.598 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: 4C39.25 J0927+3902 8 8 8 54.257 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: OJ287 J0854+2006 7 7 7 35.643 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: OQ208 J1407+2827 12 12 12 53.889 19840124_b pac841 1984.01.23-13:27:59.040 SRC_STAT: VR422201 J2202+4216 9 10 10 48.072 19840124_b pac841 1984.01.23-13:27:59.040 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.23-13:27:26 1. KASHIMA 1856 NOAM X Comp -3997892367.44 mm -91.440 mm 11.352 mm 11.288 mm 2. KASHIMA 1856 NOAM Y Comp 3276581312.52 mm 10.515 mm 10.284 mm 10.226 mm 3. KASHIMA 1856 NOAM Z Comp 3724118244.26 mm 40.262 mm 12.424 mm 12.354 mm KASHIMA 1856 U Comp 86.28 mm 86.284 mm 14.077 mm 10.721 mm KASHIMA 1856 E Comp 49.83 mm 49.830 mm 11.287 mm 8.596 mm KASHIMA 1856 N Comp -12.85 mm -12.846 mm 7.963 mm 6.065 mm 4. KASHIMA CL 0 1984.01.23-02:35:50.856 597.651 ns 0.218 ns 0.217 ns 5. KASHIMA CL 1 1984.01.23-02:35:50.856 39.952 D-14 2.313 D-14 2.300 D-14 6. KASHIMA CL 2 1984.01.23-02:35:50.856 -0.616 D-14/day 2.187 D-14/day 2.175 D-14/day 29. KASHIMA AT 0 1984.01.23-02:35:50.856 -6.493 ps 36.659 ps 36.453 ps KASHIMA Atm 1984.01.23-13:36:23.040 Avg: -1.017 ps Rms: 20.302 ps Tot_Rms: 20.327 ps || Nat: 122 Dura: 78190.0 sec Tzd_avg: 7812.6 Tzd_rms: 14.2 Wzd_avg: 121.2 Wzd_rms: 29.5 ps Prs_avg: 101455. Pa Tem_avg: 2.6 C Stm_avg: -1.0 C Stm_rms: 0.4 K Spr_avg: 165. Spr_rms: 30. Pa 96. KASHIMA NG 1984.01.23-02:34:50.856 0.001 mm 0.422 mm 0.420 mm 97. KASHIMA EG 1984.01.23-02:34:50.856 -0.010 mm 0.422 mm 0.420 mm 98. KASHIMA NG 1984.01.23-10:34:50.856 0.010 mm 0.377 mm 0.375 mm 99. KASHIMA EG 1984.01.23-10:34:50.856 -0.013 mm 0.377 mm 0.375 mm 100. KASHIMA NG 1984.01.23-18:34:50.856 -0.006 mm 0.377 mm 0.375 mm 101. KASHIMA EG 1984.01.23-18:34:50.856 -0.001 mm 0.377 mm 0.375 mm 102. KASHIMA NG 1984.01.24-02:34:50.856 -0.001 mm 0.422 mm 0.420 mm 103. KASHIMA EG 1984.01.24-02:34:50.856 0.005 mm 0.422 mm 0.420 mm 104. MOJAVE12 7222 NOAM X Comp -2356171004.56 mm 91.440 mm 11.352 mm 11.288 mm 105. MOJAVE12 7222 NOAM Y Comp -4646755842.52 mm -10.515 mm 10.284 mm 10.226 mm 106. MOJAVE12 7222 NOAM Z Comp 3668470540.74 mm -40.262 mm 12.424 mm 12.354 mm MOJAVE12 7222 U Comp -49.37 mm -49.369 mm 14.808 mm 11.278 mm MOJAVE12 7222 E Comp 86.31 mm 86.310 mm 10.675 mm 8.130 mm MOJAVE12 7222 N Comp -14.36 mm -14.355 mm 7.465 mm 5.685 mm 107. MOJAVE12 AT 0 1984.01.23-02:35:50.856 -40.241 ps 34.561 ps 34.367 ps MOJAVE12 Atm 1984.01.23-13:36:23.040 Avg: -28.478 ps Rms: 24.365 ps Tot_Rms: 37.479 ps || Nat: 122 Dura: 78190.0 sec Tzd_avg: 7116.7 Tzd_rms: 7.9 Wzd_avg: 184.0 Wzd_rms: 17.4 ps Prs_avg: 91486. Pa Tem_avg: 7.0 C Stm_avg: -1.0 C Stm_rms: 3.0 K Spr_avg: 183. Spr_rms: 86. Pa 174. MOJAVE12 NG 1984.01.23-02:34:50.856 0.011 mm 0.422 mm 0.420 mm 175. MOJAVE12 EG 1984.01.23-02:34:50.856 0.007 mm 0.422 mm 0.420 mm 176. MOJAVE12 NG 1984.01.23-10:34:50.856 0.004 mm 0.377 mm 0.375 mm 177. MOJAVE12 EG 1984.01.23-10:34:50.856 -0.003 mm 0.377 mm 0.375 mm 178. MOJAVE12 NG 1984.01.23-18:34:50.856 0.004 mm 0.377 mm 0.375 mm 179. MOJAVE12 EG 1984.01.23-18:34:50.856 -0.009 mm 0.377 mm 0.375 mm 180. MOJAVE12 NG 1984.01.24-02:34:50.856 -0.012 mm 0.422 mm 0.420 mm 181. MOJAVE12 EG 1984.01.24-02:34:50.856 0.001 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. KASHIMA Input 50.00 ps/h RMS 14.16 ps/h NRMS 0.28 share 0.82 count 67 2. MOJAVE12 Input 50.00 ps/h RMS 16.23 ps/h NRMS 0.32 share 0.84 count 67 Overall RMS 15.23 ps/h NRMS 0.30 share 0.83 count 134 Gradient Constraint Statistics 1. KASHIMA Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. KASHIMA Input 5.00 D-14 RMS 2.22 D-14 NRMS 0.44 share 0.30 count 23 Overall RMS 2.22 D-14 NRMS 0.44 share 0.30 count 23 182. UT1-TAI 1, 1984.01.23-13:28:00.000 -2.3489 ms/d -188.12 micros/d 90.68 micros/d 90.17 micros/d EOP epoch (TDT) MJD: 45722.561484 NUT epoch (TDT) MJD: 45722.577801 183. Nutation DPSI wrt apriori model 1984.01.23-13:27:26.856 -1.623 mas 1156.8 microasec 1150.3 microasec Nutation Dx wrt apriori model 1984.01.23-13:27:26.856 -0.646 mas 459.1 microasec 456.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.23-13:27:26.856 1.173 mas 1156.8 microasec 1150.3 microasec 184. Nutation DEPS wrt apriori model 1984.01.23-13:27:26.856 0.204 mas 298.5 microasec 296.8 microasec Nutation Dy wrt apriori model 1984.01.23-13:27:26.856 0.201 mas 300.1 microasec 298.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.23-13:27:26.856 4.143 mas 298.5 microasec 296.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1709 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) KASHIMA 1856 to MOJAVE12 7222 8091824106.62 20.16 8091824106.62 20.16 -78.38 5.21 175.60 33.50 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:20 Correlator type: Unknown Experiment code: syn184 Mark-3 db_name: $84JAN25X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840125_a Ver 2 syn184 Matrix Condition Number = 4.132872090387237E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: CABL_DEL GION | | ONSALA60: CABL_DEL GION | | ONSALA85: CABL_DEL GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 4.9 3.8 838.6 2.0 20.2 1.5 ONSALA60 MET -4.9 0.6 1017.6 2.0 84.7 5.8 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 1.5 1.9 997.0 5.2 35.6 10.0 Run 26091-1743 586 Observation Pairs Available Session started on: 2445725.297700 1984.01.25 19:08:41.280 UTC Nominal duration: 86762.880 sec 01 00:06:02.880 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 256 62.521 ps 0.86 1.0294 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 256 Number of potentially good observations with QC 5-9: 256 Number of used observations: 256 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 78 78 64.020 0.84 19840125_a syn184 1984.01.26-07:11:42.7 BAS_STAT HRAS_085 WESTFORD 104 104 53.552 0.86 19840125_a syn184 1984.01.26-07:11:42.7 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 74 74 82.383 0.90 19840125_a syn184 1984.01.26-07:11:42.7 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19840125_a syn184 ONSALA85 WESTFORD 0/ 0 deselected baseline 19840125_a syn184 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0229+131 J0231+1322 5 5 11 35.542 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 0234+285 J0237+2848 18 18 31 46.462 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 0300+470 J0303+4716 24 24 44 48.534 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 0528+134 J0530+1331 14 14 35 51.422 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 0642+449 J0646+4451 12 12 48 71.767 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 0814+425 J0818+4222 26 26 46 58.611 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 1144+402 J1146+3958 23 23 40 60.917 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 1308+326 J1310+3220 5 5 22 69.094 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 1418+546 J1419+5423 25 25 45 101.268 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 1538+149 J1540+1447 12 12 20 67.162 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 1749+701 J1748+7005 2 2 36 171.332 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 1803+784 J1800+7828 24 24 40 87.001 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 2201+315 J2203+3145 12 12 30 44.859 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 2234+282 J2236+2828 15 15 30 77.322 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 2344+09A J2346+0930 0 0 23 0.000 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 3C273B J1229+0203 7 7 12 10.097 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: 3C418 J2038+5119 18 18 44 78.922 19840125_a syn184 1984.01.26-07:11:42.720 SRC_STAT: OQ208 J1407+2827 14 14 29 106.822 19840125_a syn184 1984.01.26-07:11:42.720 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.26-07:11:10 1. HRAS_085 7216 NOAM X Comp -1324211075.17 mm -58.171 mm 15.331 mm 15.555 mm 2. HRAS_085 7216 NOAM Y Comp -5332023033.48 mm 48.515 mm 37.967 mm 38.522 mm 3. HRAS_085 7216 NOAM Z Comp 3232118433.42 mm 126.419 mm 38.080 mm 38.637 mm HRAS_085 7216 U Comp 35.97 mm 35.973 mm 47.866 mm 41.397 mm HRAS_085 7216 E Comp -68.15 mm -68.150 mm 22.154 mm 19.160 mm HRAS_085 7216 N Comp 125.62 mm 125.622 mm 18.567 mm 16.058 mm 4. HRAS_085 CL 0 1984.01.25-19:08:09.096 11476.092 ns 0.796 ns 0.807 ns 5. HRAS_085 CL 1 1984.01.25-19:08:09.096 11.030 D-14 2.097 D-14 2.128 D-14 6. HRAS_085 CL 2 1984.01.25-19:08:09.096 2.476 D-14/day 1.818 D-14/day 1.844 D-14/day 32. HRAS_085 AT 0 1984.01.25-19:08:09.096 59.813 ps 63.758 ps 64.690 ps HRAS_085 Atm 1984.01.26-07:38:41.280 Avg: 52.470 ps Rms: 11.438 ps Tot_Rms: 53.702 ps || Nat: 126 Dura: 86760.0 sec Tzd_avg: 6438.0 Tzd_rms: 19.2 Wzd_avg: 68.0 Wzd_rms: 14.0 ps Prs_avg: 83872. Pa Tem_avg: 4.9 C Stm_avg: -3.1 C Stm_rms: 3.0 K Spr_avg: 74. Spr_rms: 49. Pa 108. HRAS_085 NG 1984.01.25-19:07:09.096 -0.006 mm 0.422 mm 0.428 mm 109. HRAS_085 EG 1984.01.25-19:07:09.096 0.007 mm 0.422 mm 0.428 mm 110. HRAS_085 NG 1984.01.26-03:07:09.096 -0.011 mm 0.377 mm 0.383 mm 111. HRAS_085 EG 1984.01.26-03:07:09.096 0.012 mm 0.377 mm 0.382 mm 112. HRAS_085 NG 1984.01.26-11:07:09.096 -0.023 mm 0.377 mm 0.382 mm 113. HRAS_085 EG 1984.01.26-11:07:09.096 0.020 mm 0.377 mm 0.382 mm 114. HRAS_085 NG 1984.01.26-19:07:09.096 -0.014 mm 0.422 mm 0.428 mm 115. HRAS_085 EG 1984.01.26-19:07:09.096 -0.002 mm 0.422 mm 0.428 mm 116. ONSALA60 7213 EURA X Comp 3370606003.88 mm 14.884 mm 21.836 mm 22.155 mm 117. ONSALA60 7213 EURA Y Comp 711917400.17 mm -128.830 mm 38.910 mm 39.478 mm 118. ONSALA60 7213 EURA Z Comp 5349830635.14 mm -130.862 mm 46.607 mm 47.288 mm ONSALA60 7213 U Comp -116.74 mm -116.738 mm 46.544 mm 40.255 mm ONSALA60 7213 E Comp -129.13 mm -129.125 mm 41.051 mm 35.504 mm ONSALA60 7213 N Comp -60.35 mm -60.352 mm 17.647 mm 15.262 mm 119. ONSALA60 CL 0 1984.01.25-19:08:09.096 7633.616 ns 0.836 ns 0.849 ns 120. ONSALA60 CL 1 1984.01.25-19:08:09.096 -45.875 D-14 2.213 D-14 2.245 D-14 121. ONSALA60 CL 2 1984.01.25-19:08:09.096 2.921 D-14/day 1.931 D-14/day 1.959 D-14/day 147. ONSALA60 AT 0 1984.01.25-19:08:09.096 -40.196 ps 55.482 ps 56.293 ps ONSALA60 Atm 1984.01.26-07:38:41.280 Avg: -67.934 ps Rms: 23.582 ps Tot_Rms: 71.910 ps || Nat: 124 Dura: 86760.0 sec Tzd_avg: 7843.5 Tzd_rms: 9.1 Wzd_avg: 146.9 Wzd_rms: 17.5 ps Prs_avg: 101755. Pa Tem_avg: -5.0 C Stm_avg: -1.1 C Stm_rms: 0.5 K Spr_avg: 185. Spr_rms: 24. Pa 223. ONSALA60 NG 1984.01.25-19:07:09.096 0.002 mm 0.422 mm 0.429 mm 224. ONSALA60 EG 1984.01.25-19:07:09.096 -0.002 mm 0.422 mm 0.429 mm 225. ONSALA60 NG 1984.01.26-03:07:09.096 0.001 mm 0.377 mm 0.383 mm 226. ONSALA60 EG 1984.01.26-03:07:09.096 -0.004 mm 0.377 mm 0.383 mm 227. ONSALA60 NG 1984.01.26-11:07:09.096 0.007 mm 0.377 mm 0.382 mm 228. ONSALA60 EG 1984.01.26-11:07:09.096 0.002 mm 0.377 mm 0.383 mm 229. ONSALA60 NG 1984.01.26-19:07:09.096 0.004 mm 0.422 mm 0.429 mm 230. ONSALA60 EG 1984.01.26-19:07:09.096 -0.006 mm 0.422 mm 0.429 mm 231. WESTFORD 7209 NOAM X Comp 1492206586.29 mm 43.287 mm 24.682 mm 25.043 mm 232. WESTFORD 7209 NOAM Y Comp -4458130441.68 mm 80.315 mm 66.562 mm 67.535 mm 233. WESTFORD 7209 NOAM Z Comp 4296015551.44 mm 4.443 mm 65.635 mm 66.595 mm WESTFORD 7209 U Comp -42.93 mm -42.932 mm 95.684 mm 82.754 mm WESTFORD 7209 E Comp 66.54 mm 66.541 mm 10.333 mm 8.937 mm WESTFORD 7209 N Comp 45.53 mm 45.532 mm 9.247 mm 7.997 mm 234. WESTFORD AT 0 1984.01.25-19:08:09.096 -183.012 ps 328.457 ps 333.257 ps WESTFORD Atm 1984.01.26-07:38:41.280 Avg: -161.788 ps Rms: 17.149 ps Tot_Rms: 162.695 ps || Nat: 130 Dura: 86760.0 sec Tzd_avg: 7657.9 Tzd_rms: 32.0 Wzd_avg: 113.4 Wzd_rms: 21.0 ps Prs_avg: 99658. Pa Tem_avg: 1.7 C Stm_avg: 1.6 C Stm_rms: 1.0 K Spr_avg: 244. Spr_rms: 57. Pa 310. WESTFORD NG 1984.01.25-19:07:09.096 0.006 mm 0.422 mm 0.428 mm 311. WESTFORD EG 1984.01.25-19:07:09.096 -0.020 mm 0.422 mm 0.428 mm 312. WESTFORD NG 1984.01.26-03:07:09.096 0.003 mm 0.377 mm 0.382 mm 313. WESTFORD EG 1984.01.26-03:07:09.096 -0.034 mm 0.377 mm 0.382 mm 314. WESTFORD NG 1984.01.26-11:07:09.096 0.004 mm 0.377 mm 0.382 mm 315. WESTFORD EG 1984.01.26-11:07:09.096 -0.009 mm 0.377 mm 0.382 mm 316. WESTFORD NG 1984.01.26-19:07:09.096 0.007 mm 0.422 mm 0.428 mm 317. WESTFORD EG 1984.01.26-19:07:09.096 0.015 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.72 ps/h NRMS 0.17 share 0.90 count 76 2. ONSALA60 Input 50.00 ps/h RMS 13.17 ps/h NRMS 0.26 share 0.87 count 76 4. WESTFORD Input 50.00 ps/h RMS 8.05 ps/h NRMS 0.16 share 0.94 count 76 Overall RMS 10.24 ps/h NRMS 0.20 share 0.90 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.56 D-14 NRMS 0.31 share 0.28 count 26 2. ONSALA60 Input 5.00 D-14 RMS 1.79 D-14 NRMS 0.36 share 0.36 count 26 Overall RMS 1.68 D-14 NRMS 0.34 share 0.32 count 52 318. UT1-TAI 1, 1984.01.26-07:11:00.000 -1.6355 ms/d 11.94 micros/d 110.19 micros/d 111.80 micros/d EOP epoch (TDT) MJD: 45725.299678 NUT epoch (TDT) MJD: 45725.292071 319. Nutation DPSI wrt apriori model 1984.01.26-07:11:10.536 0.812 mas 1757.6 microasec 1783.3 microasec Nutation Dx wrt apriori model 1984.01.26-07:11:10.536 0.322 mas 697.4 microasec 707.6 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.26-07:11:10.536 3.032 mas 1757.6 microasec 1783.3 microasec 320. Nutation DEPS wrt apriori model 1984.01.26-07:11:10.536 0.383 mas 500.6 microasec 507.9 microasec Nutation Dy wrt apriori model 1984.01.26-07:11:10.536 0.385 mas 503.1 microasec 510.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.26-07:11:10.536 4.397 mas 500.6 microasec 507.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1139 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732229.50 28.40 7940732229.50 28.40 248.39 13.72 124.71 65.09 HRAS_085 7216 to WESTFORD 7209 3134928034.82 36.69 3134928034.82 36.69 114.59 8.35 98.06 139.18 ONSALA60 7213 to WESTFORD 7209 5600741494.63 65.63 5600741494.63 65.63 86.56 8.76 -57.95 139.68 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:23 Correlator type: Unknown Experiment code: ia157 Mark-3 db_name: $84JAN29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840129_a Ver 2 ia157 Matrix Condition Number = 3.394564227962373E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.2 6.4 841.4 3.7 16.8 15.3 WESTFORD MET -3.4 1.5 999.3 1.4 25.1 14.7 WETTZELL MET 0.2 1.0 950.1 1.4 62.8 45.8 Run 26091-1743 341 Observation Pairs Available Session started on: 2445729.227200 1984.01.29 17:27:10.080 UTC Nominal duration: 87151.680 sec 01 00:12:31.680 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 200 49.811 ps 0.82 1.0596 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 207 Number of potentially good observations with QC 5-9: 207 Number of used observations: 200 ( 96.62%) Number of suppressed observations: 7 ( 3.38%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 102 105 50.622 0.83 19840129_a ia157 1984.01.30-05:33:25.9 BAS_STAT HRAS_085 WETTZELL 32 33 44.334 0.77 19840129_a ia157 1984.01.30-05:33:25.9 BAS_STAT WESTFORD WETTZELL 66 69 51.473 0.81 19840129_a ia157 1984.01.30-05:33:25.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 13 18 42.088 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 0212+735 J0217+7349 29 30 34 80.427 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 0234+285 J0237+2848 17 18 21 32.940 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 0552+398 J0555+3948 17 17 20 35.321 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 1637+574 J1638+5720 13 15 33 110.382 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 2134+00 J2136+0041 5 6 13 63.050 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 3C273B J1229+0203 13 13 15 28.455 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 3C345 J1642+3948 23 23 29 42.681 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 3C454.3 J2253+1608 12 12 25 65.764 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: 4C39.25 J0927+3902 11 11 33 66.538 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: NRAO150 J0359+5057 7 7 32 39.982 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: OJ287 J0854+2006 15 15 17 19.665 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: OQ208 J1407+2827 16 16 21 65.005 19840129_a ia157 1984.01.30-05:33:25.920 SRC_STAT: VR422201 J2202+4216 10 11 30 99.749 19840129_a ia157 1984.01.30-05:33:25.920 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.01.30-05:32:53 1. HRAS_085 7216 NOAM X Comp -1324211046.58 mm -29.581 mm 10.085 mm 10.381 mm 2. HRAS_085 7216 NOAM Y Comp -5332023100.21 mm -18.205 mm 19.700 mm 20.278 mm 3. HRAS_085 7216 NOAM Z Comp 3232118440.27 mm 133.267 mm 17.698 mm 18.218 mm HRAS_085 7216 U Comp 89.25 mm 89.249 mm 24.169 mm 19.714 mm HRAS_085 7216 E Comp -24.32 mm -24.321 mm 9.230 mm 7.529 mm HRAS_085 7216 N Comp 102.03 mm 102.028 mm 11.563 mm 9.432 mm 4. HRAS_085 CL 0 1984.01.29-17:26:37.896 11124.064 ns 0.161 ns 0.166 ns 5. HRAS_085 CL 1 1984.01.29-17:26:37.896 13.353 D-14 2.088 D-14 2.150 D-14 6. HRAS_085 CL 2 1984.01.29-17:26:37.896 1.965 D-14/day 1.808 D-14/day 1.861 D-14/day 32. HRAS_085 AT 0 1984.01.29-17:26:37.896 1.981 ps 44.294 ps 45.595 ps HRAS_085 Atm 1984.01.30-05:57:10.080 Avg: 12.234 ps Rms: 35.127 ps Tot_Rms: 37.196 ps || Nat: 131 Dura: 86690.0 sec Tzd_avg: 6510.2 Tzd_rms: 58.3 Wzd_avg: 125.6 Wzd_rms: 39.1 ps Prs_avg: 84143. Pa Tem_avg: 8.1 C Stm_avg: -1.8 C Stm_rms: 2.2 K Spr_avg: 130. Spr_rms: 132. Pa 108. HRAS_085 NG 1984.01.29-17:25:37.896 0.027 mm 0.422 mm 0.435 mm 109. HRAS_085 EG 1984.01.29-17:25:37.896 0.009 mm 0.422 mm 0.435 mm 110. HRAS_085 NG 1984.01.30-01:25:37.896 0.005 mm 0.377 mm 0.388 mm 111. HRAS_085 EG 1984.01.30-01:25:37.896 -0.031 mm 0.377 mm 0.388 mm 112. HRAS_085 NG 1984.01.30-09:25:37.896 -0.027 mm 0.377 mm 0.388 mm 113. HRAS_085 EG 1984.01.30-09:25:37.896 -0.005 mm 0.377 mm 0.388 mm 114. HRAS_085 NG 1984.01.30-17:25:37.896 -0.019 mm 0.422 mm 0.435 mm 115. HRAS_085 EG 1984.01.30-17:25:37.896 0.029 mm 0.422 mm 0.434 mm 116. WESTFORD 7209 NOAM X Comp 1492206584.05 mm 41.047 mm 9.335 mm 9.609 mm 117. WESTFORD 7209 NOAM Y Comp -4458130387.67 mm 134.334 mm 13.486 mm 13.882 mm 118. WESTFORD 7209 NOAM Z Comp 4296015498.47 mm -48.534 mm 15.576 mm 16.033 mm WESTFORD 7209 U Comp -117.02 mm -117.022 mm 19.198 mm 15.660 mm WESTFORD 7209 E Comp 81.56 mm 81.563 mm 9.668 mm 7.886 mm WESTFORD 7209 N Comp 41.71 mm 41.708 mm 7.040 mm 5.743 mm 119. WESTFORD AT 0 1984.01.29-17:26:37.896 32.728 ps 36.995 ps 38.081 ps WESTFORD Atm 1984.01.30-05:57:10.080 Avg: 1.859 ps Rms: 20.718 ps Tot_Rms: 20.801 ps || Nat: 198 Dura: 87150.0 sec Tzd_avg: 7742.0 Tzd_rms: 10.3 Wzd_avg: 182.0 Wzd_rms: 4.9 ps Prs_avg: 99934. Pa Tem_avg: -3.4 C Stm_avg: -0.5 C Stm_rms: 2.2 K Spr_avg: 287. Spr_rms: 36. Pa 195. WESTFORD NG 1984.01.29-17:25:37.896 -0.040 mm 0.422 mm 0.434 mm 196. WESTFORD EG 1984.01.29-17:25:37.896 -0.045 mm 0.421 mm 0.434 mm 197. WESTFORD NG 1984.01.30-01:25:37.896 -0.027 mm 0.377 mm 0.388 mm 198. WESTFORD EG 1984.01.30-01:25:37.896 0.016 mm 0.376 mm 0.387 mm 199. WESTFORD NG 1984.01.30-09:25:37.896 0.030 mm 0.377 mm 0.388 mm 200. WESTFORD EG 1984.01.30-09:25:37.896 0.009 mm 0.377 mm 0.388 mm 201. WESTFORD NG 1984.01.30-17:25:37.896 0.016 mm 0.422 mm 0.434 mm 202. WESTFORD EG 1984.01.30-17:25:37.896 -0.004 mm 0.422 mm 0.434 mm 203. WETTZELL 7224 EURA X Comp 4075539829.53 mm -11.466 mm 17.270 mm 17.777 mm 204. WETTZELL 7224 EURA Y Comp 931735197.87 mm -116.129 mm 12.006 mm 12.359 mm 205. WETTZELL 7224 EURA Z Comp 4801629308.27 mm -84.732 mm 23.767 mm 24.465 mm WETTZELL 7224 U Comp -88.33 mm -88.331 mm 27.447 mm 22.388 mm WETTZELL 7224 E Comp -110.65 mm -110.653 mm 12.140 mm 9.902 mm WETTZELL 7224 N Comp -27.40 mm -27.397 mm 10.323 mm 8.420 mm 206. WETTZELL CL 0 1984.01.29-17:26:37.896 9774.025 ns 0.229 ns 0.236 ns 207. WETTZELL CL 1 1984.01.29-17:26:37.896 -273.427 D-14 2.131 D-14 2.194 D-14 208. WETTZELL CL 2 1984.01.29-17:26:37.896 1.042 D-14/day 1.852 D-14/day 1.906 D-14/day 234. WETTZELL AT 0 1984.01.29-17:26:37.896 -87.134 ps 56.081 ps 57.728 ps WETTZELL Atm 1984.01.30-05:57:10.080 Avg: -73.516 ps Rms: 20.376 ps Tot_Rms: 76.287 ps || Nat: 140 Dura: 87150.0 sec Tzd_avg: 7405.5 Tzd_rms: 24.1 Wzd_avg: 237.1 Wzd_rms: 31.0 ps Prs_avg: 95005. Pa Tem_avg: 0.2 C Stm_avg: 1.0 C Stm_rms: 1.3 K Spr_avg: 451. Spr_rms: 36. Pa 310. WETTZELL NG 1984.01.29-17:25:37.896 -0.002 mm 0.422 mm 0.435 mm 311. WETTZELL EG 1984.01.29-17:25:37.896 0.012 mm 0.422 mm 0.435 mm 312. WETTZELL NG 1984.01.30-01:25:37.896 -0.003 mm 0.377 mm 0.388 mm 313. WETTZELL EG 1984.01.30-01:25:37.896 -0.002 mm 0.377 mm 0.388 mm 314. WETTZELL NG 1984.01.30-09:25:37.896 -0.018 mm 0.377 mm 0.388 mm 315. WETTZELL EG 1984.01.30-09:25:37.896 -0.004 mm 0.377 mm 0.388 mm 316. WETTZELL NG 1984.01.30-17:25:37.896 -0.002 mm 0.422 mm 0.435 mm 317. WETTZELL EG 1984.01.30-17:25:37.896 -0.001 mm 0.422 mm 0.435 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.01 ps/h NRMS 0.24 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 14.38 ps/h NRMS 0.29 share 0.82 count 76 3. WETTZELL Input 50.00 ps/h RMS 10.67 ps/h NRMS 0.21 share 0.91 count 76 Overall RMS 12.45 ps/h NRMS 0.25 share 0.88 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.97 D-14 NRMS 0.39 share 0.27 count 26 3. WETTZELL Input 5.00 D-14 RMS 2.39 D-14 NRMS 0.48 share 0.40 count 26 Overall RMS 2.19 D-14 NRMS 0.44 share 0.34 count 52 318. UT1-TAI 1, 1984.01.30-05:33:00.000 -0.6912 ms/d 207.15 micros/d 94.24 micros/d 97.00 micros/d EOP epoch (TDT) MJD: 45729.231623 NUT epoch (TDT) MJD: 45729.178449 319. Nutation DPSI wrt apriori model 1984.01.30-05:32:53.736 0.256 mas 1222.9 microasec 1258.8 microasec Nutation Dx wrt apriori model 1984.01.30-05:32:53.736 0.102 mas 484.6 microasec 498.8 microasec Nutation DPSI wrt Wahr 1980 model 1984.01.30-05:32:53.736 2.515 mas 1222.9 microasec 1258.8 microasec 320. Nutation DEPS wrt apriori model 1984.01.30-05:32:53.736 -0.015 mas 531.5 microasec 547.1 microasec Nutation Dy wrt apriori model 1984.01.30-05:32:53.736 -0.015 mas 533.2 microasec 548.9 microasec Nutation DEPS wrt Wahr 1980 model 1984.01.30-05:32:53.736 3.729 mas 531.5 microasec 547.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1935 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.01.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928020.48 9.79 3134928020.48 9.79 78.33 6.29 230.68 38.56 HRAS_085 7216 to WETTZELL 7224 8417561517.78 31.65 8417561517.78 31.65 171.39 9.95 132.97 44.82 WESTFORD 7209 to WETTZELL 7224 5998325350.63 18.05 5998325350.63 18.05 58.30 8.72 -23.19 42.81 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:26 Correlator type: Unknown Experiment code: ia158 Mark-3 db_name: $84FEB03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840203_a Ver 2 ia158 Matrix Condition Number = 1.770571482082842E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.3 4.7 839.2 2.3 19.5 6.5 RICHMOND MET 20.0 3.0 1012.3 1.6 51.1 2.0 WESTFORD MET 6.5 0.3 999.7 3.6 41.5 22.8 WETTZELL MET 0.9 0.4 944.5 4.6 73.5 9.6 Run 26091-1743 585 Observation Pairs Available Session started on: 2445734.249800 1984.02.03 17:59:42.720 UTC Nominal duration: 87143.040 sec 01 00:12:23.040 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 252 40.556 ps 0.88 1.2330 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 256 Number of potentially good observations with QC 5-9: 256 Number of used observations: 252 ( 98.44%) Number of suppressed observations: 4 ( 1.56%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 46 48 25.861 0.81 19840203_a ia158 1984.02.04-06:05:54.2 BAS_STAT HRAS_085 WESTFORD 97 97 41.683 0.96 19840203_a ia158 1984.02.04-06:05:54.2 BAS_STAT HRAS_085 WETTZELL 18 18 143.276 0.89 19840203_a ia158 1984.02.04-06:05:54.2 BAS_STAT RICHMOND WESTFORD 39 40 47.355 0.89 19840203_a ia158 1984.02.04-06:05:54.2 BAS_STAT RICHMOND WETTZELL 5 6 120.068 1.01 19840203_a ia158 1984.02.04-06:05:54.2 BAS_STAT WESTFORD WETTZELL 47 47 59.350 0.73 19840203_a ia158 1984.02.04-06:05:54.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 22 23 35 80.749 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 0212+735 J0217+7349 16 16 57 95.186 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 0234+285 J0237+2848 25 25 39 38.466 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 0552+398 J0555+3948 18 18 38 37.383 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 1637+574 J1638+5720 11 11 51 112.147 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 2134+00 J2136+0041 17 17 31 68.443 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 3C273B J1229+0203 22 22 31 16.304 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 3C345 J1642+3948 32 32 42 35.771 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 3C454.3 J2253+1608 23 24 45 47.264 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: 4C39.25 J0927+3902 7 7 57 80.852 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: NRAO150 J0359+5057 14 14 60 51.995 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: OJ287 J0854+2006 15 16 21 39.362 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: OQ208 J1407+2827 12 12 27 57.891 19840203_a ia158 1984.02.04-06:05:54.240 SRC_STAT: VR422201 J2202+4216 18 19 51 95.066 19840203_a ia158 1984.02.04-06:05:54.240 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.04-06:05:22 1. HRAS_085 7216 NOAM X Comp -1324211050.62 mm -33.623 mm 13.049 mm 14.490 mm 2. HRAS_085 7216 NOAM Y Comp -5332023040.31 mm 41.689 mm 19.985 mm 22.192 mm 3. HRAS_085 7216 NOAM Z Comp 3232118465.46 mm 158.461 mm 18.999 mm 21.096 mm HRAS_085 7216 U Comp 52.91 mm 52.911 mm 23.666 mm 20.815 mm HRAS_085 7216 E Comp -42.68 mm -42.680 mm 12.927 mm 11.370 mm HRAS_085 7216 N Comp 152.83 mm 152.830 mm 14.265 mm 12.546 mm 4. HRAS_085 CL 0 1984.02.03-17:59:10.536 11394.858 ns 0.161 ns 0.179 ns 5. HRAS_085 CL 1 1984.02.03-17:59:10.536 19.843 D-14 2.075 D-14 2.304 D-14 6. HRAS_085 CL 2 1984.02.03-17:59:10.536 1.373 D-14/day 1.782 D-14/day 1.978 D-14/day 32. HRAS_085 AT 0 1984.02.03-17:59:10.536 -21.030 ps 31.451 ps 34.924 ps HRAS_085 Atm 1984.02.04-06:29:42.720 Avg: 12.498 ps Rms: 18.530 ps Tot_Rms: 22.350 ps || Nat: 127 Dura: 86750.0 sec Tzd_avg: 6459.0 Tzd_rms: 12.5 Wzd_avg: 85.2 Wzd_rms: 5.5 ps Prs_avg: 83926. Pa Tem_avg: 8.1 C Stm_avg: -2.3 C Stm_rms: 2.3 K Spr_avg: 71. Spr_rms: 126. Pa 108. HRAS_085 NG 1984.02.03-17:58:10.536 0.023 mm 0.422 mm 0.469 mm 109. HRAS_085 EG 1984.02.03-17:58:10.536 -0.006 mm 0.422 mm 0.469 mm 110. HRAS_085 NG 1984.02.04-01:58:10.536 0.018 mm 0.377 mm 0.418 mm 111. HRAS_085 EG 1984.02.04-01:58:10.536 0.013 mm 0.377 mm 0.418 mm 112. HRAS_085 NG 1984.02.04-09:58:10.536 -0.010 mm 0.377 mm 0.418 mm 113. HRAS_085 EG 1984.02.04-09:58:10.536 0.001 mm 0.377 mm 0.418 mm 114. HRAS_085 NG 1984.02.04-17:58:10.536 -0.036 mm 0.422 mm 0.469 mm 115. HRAS_085 EG 1984.02.04-17:58:10.536 0.028 mm 0.422 mm 0.468 mm 116. RICHMOND 7219 NOAM X Comp 961257987.67 mm -31.332 mm 14.154 mm 15.717 mm 117. RICHMOND 7219 NOAM Y Comp -5674090034.01 mm 15.994 mm 35.049 mm 38.919 mm 118. RICHMOND 7219 NOAM Z Comp 2740533854.34 mm 56.335 mm 23.162 mm 25.720 mm RICHMOND 7219 U Comp 5.42 mm 5.415 mm 40.153 mm 35.317 mm RICHMOND 7219 E Comp -28.22 mm -28.220 mm 12.580 mm 11.064 mm RICHMOND 7219 N Comp 59.88 mm 59.879 mm 13.956 mm 12.275 mm 119. RICHMOND CL 0 1984.02.03-17:59:10.536 12967.385 ns 0.267 ns 0.296 ns 120. RICHMOND CL 1 1984.02.03-17:59:10.536 67.165 D-14 2.109 D-14 2.342 D-14 121. RICHMOND CL 2 1984.02.03-17:59:10.536 3.014 D-14/day 1.850 D-14/day 2.054 D-14/day 147. RICHMOND AT 0 1984.02.03-17:59:10.536 -231.066 ps 106.153 ps 117.874 ps RICHMOND Atm 1984.02.04-06:29:42.720 Avg: -211.474 ps Rms: 9.636 ps Tot_Rms: 211.693 ps || Nat: 101 Dura: 85680.0 sec Tzd_avg: 8442.3 Tzd_rms: 45.4 Wzd_avg: 777.3 Wzd_rms: 46.3 ps Prs_avg: 101248. Pa Tem_avg: 19.7 C Stm_avg: -3.0 C Stm_rms: 2.4 K Spr_avg: 90. Spr_rms: 71. Pa 223. RICHMOND NG 1984.02.03-17:58:10.536 -0.037 mm 0.422 mm 0.469 mm 224. RICHMOND EG 1984.02.03-17:58:10.536 0.024 mm 0.422 mm 0.469 mm 225. RICHMOND NG 1984.02.04-01:58:10.536 -0.026 mm 0.377 mm 0.419 mm 226. RICHMOND EG 1984.02.04-01:58:10.536 0.021 mm 0.377 mm 0.418 mm 227. RICHMOND NG 1984.02.04-09:58:10.536 0.007 mm 0.377 mm 0.419 mm 228. RICHMOND EG 1984.02.04-09:58:10.536 -0.009 mm 0.377 mm 0.418 mm 229. RICHMOND NG 1984.02.04-17:58:10.536 0.028 mm 0.422 mm 0.469 mm 230. RICHMOND EG 1984.02.04-17:58:10.536 -0.026 mm 0.422 mm 0.469 mm 231. WESTFORD 7209 NOAM X Comp 1492206596.48 mm 53.476 mm 13.045 mm 14.485 mm 232. WESTFORD 7209 NOAM Y Comp -4458130404.62 mm 117.381 mm 17.331 mm 19.245 mm 233. WESTFORD 7209 NOAM Z Comp 4296015543.84 mm -3.165 mm 19.443 mm 21.589 mm WESTFORD 7209 U Comp -71.57 mm -71.570 mm 24.516 mm 21.563 mm WESTFORD 7209 E Comp 87.97 mm 87.968 mm 12.269 mm 10.791 mm WESTFORD 7209 N Comp 61.54 mm 61.541 mm 9.847 mm 8.661 mm 234. WESTFORD AT 0 1984.02.03-17:59:10.536 -54.120 ps 30.088 ps 33.411 ps WESTFORD Atm 1984.02.04-06:29:42.720 Avg: -48.775 ps Rms: 41.784 ps Tot_Rms: 64.225 ps || Nat: 201 Dura: 87140.0 sec Tzd_avg: 7939.7 Tzd_rms: 31.5 Wzd_avg: 380.2 Wzd_rms: 58.6 ps Prs_avg: 99939. Pa Tem_avg: 6.6 C Stm_avg: 0.8 C Stm_rms: 0.8 K Spr_avg: 212. Spr_rms: 76. Pa 310. WESTFORD NG 1984.02.03-17:58:10.536 -0.013 mm 0.422 mm 0.468 mm 311. WESTFORD EG 1984.02.03-17:58:10.536 0.037 mm 0.421 mm 0.468 mm 312. WESTFORD NG 1984.02.04-01:58:10.536 0.000 mm 0.377 mm 0.418 mm 313. WESTFORD EG 1984.02.04-01:58:10.536 0.015 mm 0.376 mm 0.418 mm 314. WESTFORD NG 1984.02.04-09:58:10.536 -0.005 mm 0.377 mm 0.418 mm 315. WESTFORD EG 1984.02.04-09:58:10.536 -0.007 mm 0.376 mm 0.418 mm 316. WESTFORD NG 1984.02.04-17:58:10.536 0.009 mm 0.422 mm 0.468 mm 317. WESTFORD EG 1984.02.04-17:58:10.536 -0.023 mm 0.421 mm 0.468 mm 318. WETTZELL 7224 EURA X Comp 4075539852.48 mm 11.479 mm 36.551 mm 40.587 mm 319. WETTZELL 7224 EURA Y Comp 931735138.94 mm -175.064 mm 19.188 mm 21.307 mm 320. WETTZELL 7224 EURA Z Comp 4801629181.37 mm -211.631 mm 45.813 mm 50.872 mm WETTZELL 7224 U Comp -178.27 mm -178.273 mm 56.156 mm 49.392 mm WETTZELL 7224 E Comp -173.22 mm -173.220 mm 21.506 mm 18.916 mm WETTZELL 7224 N Comp -117.39 mm -117.391 mm 13.677 mm 12.029 mm 321. WETTZELL CL 0 1984.02.03-17:59:10.536 9968.723 ns 0.312 ns 0.347 ns 322. WETTZELL CL 1 1984.02.03-17:59:10.536 -281.826 D-14 2.149 D-14 2.386 D-14 323. WETTZELL CL 2 1984.02.03-17:59:10.536 1.928 D-14/day 1.895 D-14/day 2.104 D-14/day 349. WETTZELL AT 0 1984.02.03-17:59:10.536 124.531 ps 73.312 ps 81.407 ps WETTZELL Atm 1984.02.04-06:29:42.720 Avg: 34.299 ps Rms: 50.333 ps Tot_Rms: 60.909 ps || Nat: 150 Dura: 87140.0 sec Tzd_avg: 7331.1 Tzd_rms: 26.0 Wzd_avg: 208.8 Wzd_rms: 37.5 ps Prs_avg: 94489. Pa Tem_avg: 0.9 C Stm_avg: -0.4 C Stm_rms: 0.6 K Spr_avg: 555. Spr_rms: 41. Pa 425. WETTZELL NG 1984.02.03-17:58:10.536 0.017 mm 0.422 mm 0.469 mm 426. WETTZELL EG 1984.02.03-17:58:10.536 -0.005 mm 0.422 mm 0.469 mm 427. WETTZELL NG 1984.02.04-01:58:10.536 0.005 mm 0.377 mm 0.419 mm 428. WETTZELL EG 1984.02.04-01:58:10.536 0.001 mm 0.377 mm 0.419 mm 429. WETTZELL NG 1984.02.04-09:58:10.536 0.003 mm 0.377 mm 0.419 mm 430. WETTZELL EG 1984.02.04-09:58:10.536 0.003 mm 0.377 mm 0.419 mm 431. WETTZELL NG 1984.02.04-17:58:10.536 -0.003 mm 0.422 mm 0.469 mm 432. WETTZELL EG 1984.02.04-17:58:10.536 0.002 mm 0.422 mm 0.469 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.63 ps/h NRMS 0.29 share 0.89 count 76 2. RICHMOND Input 50.00 ps/h RMS 7.98 ps/h NRMS 0.16 share 0.95 count 76 3. WESTFORD Input 50.00 ps/h RMS 23.06 ps/h NRMS 0.46 share 0.83 count 76 4. WETTZELL Input 50.00 ps/h RMS 9.96 ps/h NRMS 0.20 share 0.94 count 76 Overall RMS 15.07 ps/h NRMS 0.30 share 0.90 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.45 D-14 NRMS 0.29 share 0.27 count 26 2. RICHMOND Input 5.00 D-14 RMS 3.26 D-14 NRMS 0.65 share 0.40 count 26 4. WETTZELL Input 5.00 D-14 RMS 1.75 D-14 NRMS 0.35 share 0.57 count 26 Overall RMS 2.29 D-14 NRMS 0.46 share 0.41 count 78 433. UT1-TAI 1, 1984.02.04-06:05:00.000 -1.5528 ms/d -138.62 micros/d 76.75 micros/d 85.23 micros/d EOP epoch (TDT) MJD: 45734.253845 NUT epoch (TDT) MJD: 45734.277993 434. Nutation DPSI wrt apriori model 1984.02.04-06:05:22.056 2.358 mas 1522.3 microasec 1690.4 microasec Nutation Dx wrt apriori model 1984.02.04-06:05:22.056 0.938 mas 603.8 microasec 670.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.04-06:05:22.056 4.978 mas 1522.3 microasec 1690.4 microasec 435. Nutation DEPS wrt apriori model 1984.02.04-06:05:22.056 0.038 mas 517.9 microasec 575.1 microasec Nutation Dy wrt apriori model 1984.02.04-06:05:22.056 0.041 mas 520.1 microasec 577.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.04-06:05:22.056 3.711 mas 517.9 microasec 575.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3893 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632849.82 12.79 2362632849.82 12.79 98.34 8.29 26.18 54.49 HRAS_085 7216 to WESTFORD 7209 3134928020.70 8.19 3134928020.70 8.19 112.84 5.96 157.24 33.50 HRAS_085 7216 to WETTZELL 7224 8417561418.31 44.78 8417561418.31 44.78 325.68 14.59 198.41 68.01 RICHMOND 7219 to WESTFORD 7209 2044501780.84 12.84 2044501780.84 12.84 99.86 6.41 98.32 52.90 RICHMOND 7219 to WETTZELL 7224 7588398493.50 47.57 7588398493.50 47.57 230.86 15.54 88.15 81.84 WESTFORD 7209 to WETTZELL 7224 5998325302.92 28.45 5998325302.92 28.45 179.13 13.34 97.94 75.67 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:29 Correlator type: Unknown Experiment code: ia159 Mark-3 db_name: $84FEB08X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840208_a Ver 2 ia159 Matrix Condition Number = 1.053452603708201E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.1 4.5 841.0 1.1 20.6 1.4 WESTFORD MET -5.8 1.3 1008.4 0.7 18.1 4.4 WETTZELL MET -0.9 0.5 935.1 8.2 98.7 3.9 Run 26091-1743 168 Observation Pairs Available Session started on: 2445739.249300 1984.02.08 17:58:59.520 UTC Nominal duration: 84525.120 sec 00 23:28:45.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 130 41.606 ps 0.73 0.9604 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 134 Number of potentially good observations with QC 5-9: 134 Number of used observations: 130 ( 97.01%) Number of suppressed observations: 4 ( 2.99%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 52 53 28.372 0.67 19840208_a ia159 1984.02.09-05:43:22.0 BAS_STAT HRAS_085 WETTZELL 28 29 45.627 0.68 19840208_a ia159 1984.02.09-05:43:22.0 BAS_STAT WESTFORD WETTZELL 50 52 77.228 0.83 19840208_a ia159 1984.02.09-05:43:22.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 6 8 30.820 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 0212+735 J0217+7349 18 18 19 74.607 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 0234+285 J0237+2848 14 15 15 33.990 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 0528+134 J0530+1331 11 11 14 51.858 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 0552+398 J0555+3948 13 13 15 32.799 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 1803+784 J1800+7828 15 15 18 102.750 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 2216-038 J2218-0335 2 3 7 24.711 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 3C273B J1229+0203 3 3 4 24.842 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 3C345 J1642+3948 13 13 13 9.830 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 3C454.3 J2253+1608 6 6 10 49.351 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: 4C39.25 J0927+3902 4 5 8 70.357 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: OJ287 J0854+2006 12 12 12 33.366 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: OQ208 J1407+2827 8 8 9 67.755 19840208_a ia159 1984.02.09-05:43:22.080 SRC_STAT: VR422201 J2202+4216 6 6 16 47.302 19840208_a ia159 1984.02.09-05:43:22.080 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.09-05:42:49 1. HRAS_085 7216 NOAM X Comp -1324211102.40 mm -85.404 mm 16.427 mm 16.099 mm 2. HRAS_085 7216 NOAM Y Comp -5332023161.01 mm -79.011 mm 39.623 mm 38.831 mm 3. HRAS_085 7216 NOAM Z Comp 3232118540.62 mm 233.622 mm 31.023 mm 30.403 mm HRAS_085 7216 U Comp 202.74 mm 202.742 mm 49.231 mm 36.170 mm HRAS_085 7216 E Comp -63.84 mm -63.843 mm 12.239 mm 8.992 mm HRAS_085 7216 N Comp 151.45 mm 151.446 mm 15.123 mm 11.111 mm 4. HRAS_085 CL 0 1984.02.08-17:58:27.336 11488.379 ns 0.354 ns 0.347 ns 5. HRAS_085 CL 1 1984.02.08-17:58:27.336 20.321 D-14 2.162 D-14 2.119 D-14 6. HRAS_085 CL 2 1984.02.08-17:58:27.336 2.572 D-14/day 1.958 D-14/day 1.919 D-14/day 31. HRAS_085 AT 0 1984.02.08-17:58:27.336 -223.959 ps 128.103 ps 125.543 ps HRAS_085 Atm 1984.02.09-05:58:59.520 Avg: -252.190 ps Rms: 15.952 ps Tot_Rms: 252.694 ps || Nat: 69 Dura: 82450.0 sec Tzd_avg: 6501.0 Tzd_rms: 22.2 Wzd_avg: 112.6 Wzd_rms: 24.7 ps Prs_avg: 84098. Pa Tem_avg: 7.5 C Stm_avg: -4.2 C Stm_rms: 3.4 K Spr_avg: 39. Spr_rms: 73. Pa 104. HRAS_085 NG 1984.02.08-17:57:27.336 -0.001 mm 0.422 mm 0.414 mm 105. HRAS_085 EG 1984.02.08-17:57:27.336 0.036 mm 0.422 mm 0.414 mm 106. HRAS_085 NG 1984.02.09-01:57:27.336 0.002 mm 0.377 mm 0.369 mm 107. HRAS_085 EG 1984.02.09-01:57:27.336 0.028 mm 0.377 mm 0.369 mm 108. HRAS_085 NG 1984.02.09-09:57:27.336 -0.005 mm 0.377 mm 0.370 mm 109. HRAS_085 EG 1984.02.09-09:57:27.336 -0.009 mm 0.377 mm 0.369 mm 110. HRAS_085 NG 1984.02.09-17:57:27.336 -0.005 mm 0.422 mm 0.414 mm 111. HRAS_085 EG 1984.02.09-17:57:27.336 -0.041 mm 0.422 mm 0.414 mm 112. WESTFORD 7209 NOAM X Comp 1492206590.14 mm 47.136 mm 12.603 mm 12.351 mm 113. WESTFORD 7209 NOAM Y Comp -4458130357.20 mm 164.799 mm 23.150 mm 22.687 mm 114. WESTFORD 7209 NOAM Z Comp 4296015522.99 mm -24.007 mm 24.086 mm 23.605 mm WESTFORD 7209 U Comp -120.25 mm -120.254 mm 31.477 mm 23.126 mm WESTFORD 7209 E Comp 97.01 mm 97.007 mm 14.205 mm 10.437 mm WESTFORD 7209 N Comp 78.01 mm 78.009 mm 9.074 mm 6.667 mm 115. WESTFORD AT 0 1984.02.08-17:58:27.336 -3.178 ps 45.756 ps 44.841 ps WESTFORD Atm 1984.02.09-05:58:59.520 Avg: -14.299 ps Rms: 12.537 ps Tot_Rms: 19.017 ps || Nat: 91 Dura: 84520.0 sec Tzd_avg: 7742.4 Tzd_rms: 12.4 Wzd_avg: 105.7 Wzd_rms: 19.6 ps Prs_avg: 100841. Pa Tem_avg: -5.8 C Stm_avg: 1.5 C Stm_rms: 0.4 K Spr_avg: 214. Spr_rms: 58. Pa 188. WESTFORD NG 1984.02.08-17:57:27.336 0.021 mm 0.422 mm 0.414 mm 189. WESTFORD EG 1984.02.08-17:57:27.336 -0.043 mm 0.422 mm 0.413 mm 190. WESTFORD NG 1984.02.09-01:57:27.336 0.005 mm 0.377 mm 0.369 mm 191. WESTFORD EG 1984.02.09-01:57:27.336 -0.000 mm 0.376 mm 0.369 mm 192. WESTFORD NG 1984.02.09-09:57:27.336 -0.003 mm 0.377 mm 0.369 mm 193. WESTFORD EG 1984.02.09-09:57:27.336 0.038 mm 0.377 mm 0.369 mm 194. WESTFORD NG 1984.02.09-17:57:27.336 -0.019 mm 0.422 mm 0.414 mm 195. WESTFORD EG 1984.02.09-17:57:27.336 0.077 mm 0.422 mm 0.413 mm 196. WETTZELL 7224 EURA X Comp 4075539879.27 mm 38.268 mm 23.875 mm 23.398 mm 197. WETTZELL 7224 EURA Y Comp 931735228.21 mm -85.788 mm 23.567 mm 23.096 mm 198. WETTZELL 7224 EURA Z Comp 4801629183.38 mm -209.615 mm 34.987 mm 34.288 mm WETTZELL 7224 U Comp -146.65 mm -146.650 mm 37.531 mm 27.574 mm WETTZELL 7224 E Comp -92.16 mm -92.159 mm 23.173 mm 17.025 mm WETTZELL 7224 N Comp -150.87 mm -150.875 mm 20.100 mm 14.767 mm 199. WETTZELL CL 0 1984.02.08-17:58:27.336 10934.588 ns 0.333 ns 0.326 ns 200. WETTZELL CL 1 1984.02.08-17:58:27.336 -298.111 D-14 2.419 D-14 2.370 D-14 201. WETTZELL CL 2 1984.02.08-17:58:27.336 2.385 D-14/day 2.104 D-14/day 2.062 D-14/day 226. WETTZELL AT 0 1984.02.08-17:58:27.336 -3.022 ps 74.860 ps 73.364 ps WETTZELL Atm 1984.02.09-05:58:59.520 Avg: -10.042 ps Rms: 5.798 ps Tot_Rms: 11.596 ps || Nat: 77 Dura: 84520.0 sec Tzd_avg: 7207.2 Tzd_rms: 51.1 Wzd_avg: 157.2 Wzd_rms: 16.9 ps Prs_avg: 93581. Pa Tem_avg: -0.9 C Stm_avg: -0.3 C Stm_rms: 0.6 K Spr_avg: 619. Spr_rms: 54. Pa 299. WETTZELL NG 1984.02.08-17:57:27.336 -0.016 mm 0.422 mm 0.414 mm 300. WETTZELL EG 1984.02.08-17:57:27.336 0.000 mm 0.422 mm 0.414 mm 301. WETTZELL NG 1984.02.09-01:57:27.336 0.002 mm 0.377 mm 0.369 mm 302. WETTZELL EG 1984.02.09-01:57:27.336 0.007 mm 0.377 mm 0.370 mm 303. WETTZELL NG 1984.02.09-09:57:27.336 0.010 mm 0.377 mm 0.370 mm 304. WETTZELL EG 1984.02.09-09:57:27.336 0.001 mm 0.377 mm 0.370 mm 305. WETTZELL NG 1984.02.09-17:57:27.336 0.021 mm 0.422 mm 0.414 mm 306. WETTZELL EG 1984.02.09-17:57:27.336 -0.002 mm 0.422 mm 0.414 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 7.48 ps/h NRMS 0.15 share 0.94 count 73 2. WESTFORD Input 50.00 ps/h RMS 11.73 ps/h NRMS 0.23 share 0.89 count 73 3. WETTZELL Input 50.00 ps/h RMS 7.50 ps/h NRMS 0.15 share 0.92 count 73 Overall RMS 9.13 ps/h NRMS 0.18 share 0.92 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.01 D-14 NRMS 0.40 share 0.44 count 25 3. WETTZELL Input 5.00 D-14 RMS 2.05 D-14 NRMS 0.41 share 0.54 count 25 Overall RMS 2.03 D-14 NRMS 0.41 share 0.49 count 50 307. UT1-TAI 1, 1984.02.09-05:43:00.000 -1.7721 ms/d 9.12 micros/d 98.80 micros/d 96.82 micros/d EOP epoch (TDT) MJD: 45739.238567 NUT epoch (TDT) MJD: 45739.182771 308. Nutation DPSI wrt apriori model 1984.02.09-05:42:49.896 0.120 mas 1801.5 microasec 1765.5 microasec Nutation Dx wrt apriori model 1984.02.09-05:42:49.896 0.047 mas 714.5 microasec 700.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.09-05:42:49.896 3.179 mas 1801.5 microasec 1765.5 microasec 309. Nutation DEPS wrt apriori model 1984.02.09-05:42:49.896 0.264 mas 595.0 microasec 583.1 microasec Nutation Dy wrt apriori model 1984.02.09-05:42:49.896 0.264 mas 597.5 microasec 585.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.09-05:42:49.896 3.679 mas 595.0 microasec 583.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1900 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928075.81 18.49 3134928075.81 18.49 110.23 8.76 348.30 73.39 HRAS_085 7216 to WETTZELL 7224 8417561611.32 56.12 8417561611.32 56.12 316.90 13.31 333.63 75.51 WESTFORD 7209 to WETTZELL 7224 5998325356.72 22.29 5998325356.72 22.29 177.99 10.70 76.13 61.93 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:32 Correlator type: Unknown Experiment code: ia160 Mark-3 db_name: $84FEB13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840213_a Ver 2 ia160 Matrix Condition Number = 4.940634866582150E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.6 6.5 836.9 0.9 8.3 0.1 RICHMOND MET 19.4 2.7 1013.4 1.1 62.8 19.8 WESTFORD MET 3.9 3.7 1018.1 1.3 23.4 28.3 Run 26091-1743 425 Observation Pairs Available Session started on: 2445744.268200 1984.02.13 18:26:12.480 UTC Nominal duration: 95938.560 sec 01 02:38:58.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 326 52.220 ps 1.11 1.6813 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 335 Number of potentially good observations with QC 5-9: 335 Number of used observations: 326 ( 97.31%) Number of suppressed observations: 9 ( 2.69%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 78 79 51.061 1.31 19840213_a ia160 1984.02.14-07:45:41.7 BAS_STAT HRAS_085 WESTFORD 181 188 50.097 0.95 19840213_a ia160 1984.02.14-07:45:41.7 BAS_STAT RICHMOND WESTFORD 67 68 58.130 1.25 19840213_a ia160 1984.02.14-07:45:41.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 27 27 27 93.887 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 0212+735 J0217+7349 11 11 28 80.227 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 0234+285 J0237+2848 25 25 29 92.489 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 0552+398 J0555+3948 30 30 32 65.347 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 1637+574 J1638+5720 22 22 45 131.768 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 2134+00 J2136+0041 16 23 26 51.720 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 3C273B J1229+0203 28 28 28 23.103 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 3C345 J1642+3948 34 35 39 27.833 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 3C454.3 J2253+1608 26 27 27 64.535 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: 4C39.25 J0927+3902 19 19 28 67.428 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: NRAO150 J0359+5057 27 27 30 85.715 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: OJ287 J0854+2006 26 26 26 58.854 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: OQ208 J1407+2827 21 21 30 100.431 19840213_a ia160 1984.02.14-07:45:41.760 SRC_STAT: VR422201 J2202+4216 14 14 30 96.156 19840213_a ia160 1984.02.14-07:45:41.760 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.14-07:45:09 1. HRAS_085 7216 NOAM X Comp -1324211042.93 mm -25.934 mm 4.377 mm 5.676 mm 2. HRAS_085 7216 NOAM Y Comp -5332023159.71 mm -77.710 mm 21.237 mm 27.537 mm 3. HRAS_085 7216 NOAM Z Comp 3232118416.58 mm 109.583 mm 12.929 mm 16.764 mm HRAS_085 7216 U Comp 126.11 mm 126.113 mm 24.138 mm 26.815 mm HRAS_085 7216 E Comp -6.44 mm -6.439 mm 6.660 mm 7.399 mm HRAS_085 7216 N Comp 52.67 mm 52.669 mm 3.213 mm 3.569 mm 4. HRAS_085 CL 0 1984.02.13-18:25:40.296 11383.039 ns 0.187 ns 0.242 ns 5. HRAS_085 CL 1 1984.02.13-18:25:40.296 16.361 D-14 1.989 D-14 2.580 D-14 6. HRAS_085 CL 2 1984.02.13-18:25:40.296 4.119 D-14/day 1.539 D-14/day 1.995 D-14/day 34. HRAS_085 AT 0 1984.02.13-18:25:40.296 -98.912 ps 51.002 ps 66.131 ps HRAS_085 Atm 1984.02.14-07:56:12.480 Avg: -22.305 ps Rms: 33.407 ps Tot_Rms: 40.169 ps || Nat: 228 Dura: 95940.0 sec Tzd_avg: 6446.0 Tzd_rms: 9.8 Wzd_avg: 87.6 Wzd_rms: 14.8 ps Prs_avg: 83681. Pa Tem_avg: 7.8 C Stm_avg: -5.6 C Stm_rms: 4.7 K Spr_avg: 29. Spr_rms: 88. Pa 116. HRAS_085 NG 1984.02.13-18:24:40.296 -0.044 mm 0.422 mm 0.547 mm 117. HRAS_085 EG 1984.02.13-18:24:40.296 0.022 mm 0.422 mm 0.547 mm 118. HRAS_085 NG 1984.02.14-02:24:40.296 -0.012 mm 0.377 mm 0.489 mm 119. HRAS_085 EG 1984.02.14-02:24:40.296 -0.037 mm 0.377 mm 0.488 mm 120. HRAS_085 NG 1984.02.14-10:24:40.296 0.033 mm 0.377 mm 0.489 mm 121. HRAS_085 EG 1984.02.14-10:24:40.296 -0.012 mm 0.376 mm 0.488 mm 122. HRAS_085 NG 1984.02.14-18:24:40.296 0.014 mm 0.422 mm 0.547 mm 123. HRAS_085 EG 1984.02.14-18:24:40.296 -0.043 mm 0.422 mm 0.547 mm 124. RICHMOND 7219 NOAM X Comp 961257994.41 mm -24.595 mm 5.587 mm 7.245 mm 125. RICHMOND 7219 NOAM Y Comp -5674090042.50 mm 7.503 mm 28.343 mm 36.751 mm 126. RICHMOND 7219 NOAM Z Comp 2740533769.88 mm -28.119 mm 14.860 mm 19.269 mm RICHMOND 7219 U Comp -22.53 mm -22.531 mm 32.072 mm 35.628 mm RICHMOND 7219 E Comp -23.00 mm -22.996 mm 3.579 mm 3.976 mm RICHMOND 7219 N Comp -20.38 mm -20.382 mm 3.739 mm 4.154 mm 127. RICHMOND CL 0 1984.02.13-18:25:40.296 13508.994 ns 0.222 ns 0.288 ns 128. RICHMOND CL 1 1984.02.13-18:25:40.296 51.504 D-14 2.052 D-14 2.661 D-14 129. RICHMOND CL 2 1984.02.13-18:25:40.296 3.255 D-14/day 1.718 D-14/day 2.228 D-14/day 157. RICHMOND AT 0 1984.02.13-18:25:40.296 109.565 ps 81.156 ps 105.231 ps RICHMOND Atm 1984.02.14-07:56:12.480 Avg: 7.339 ps Rms: 62.749 ps Tot_Rms: 63.176 ps || Nat: 103 Dura: 89810.0 sec Tzd_avg: 8445.5 Tzd_rms: 134.9 Wzd_avg: 773.3 Wzd_rms: 140.2 ps Prs_avg: 101340. Pa Tem_avg: 19.4 C Stm_avg: -2.9 C Stm_rms: 1.9 K Spr_avg: 90. Spr_rms: 88. Pa 239. RICHMOND NG 1984.02.13-18:24:40.296 0.001 mm 0.422 mm 0.547 mm 240. RICHMOND EG 1984.02.13-18:24:40.296 -0.124 mm 0.422 mm 0.547 mm 241. RICHMOND NG 1984.02.14-02:24:40.296 -0.004 mm 0.377 mm 0.489 mm 242. RICHMOND EG 1984.02.14-02:24:40.296 0.026 mm 0.377 mm 0.488 mm 243. RICHMOND NG 1984.02.14-10:24:40.296 -0.020 mm 0.377 mm 0.489 mm 244. RICHMOND EG 1984.02.14-10:24:40.296 0.050 mm 0.377 mm 0.488 mm 245. RICHMOND NG 1984.02.14-18:24:40.296 -0.013 mm 0.422 mm 0.547 mm 246. RICHMOND EG 1984.02.14-18:24:40.296 0.039 mm 0.422 mm 0.547 mm 247. WESTFORD 7209 NOAM X Comp 1492206593.53 mm 50.529 mm 4.063 mm 5.269 mm 248. WESTFORD 7209 NOAM Y Comp -4458130451.79 mm 70.207 mm 15.586 mm 20.209 mm 249. WESTFORD 7209 NOAM Z Comp 4296015465.54 mm -81.464 mm 9.708 mm 12.588 mm WESTFORD 7209 U Comp -92.35 mm -92.348 mm 17.467 mm 19.404 mm WESTFORD 7209 E Comp 70.20 mm 70.200 mm 4.745 mm 5.271 mm WESTFORD 7209 N Comp -25.74 mm -25.736 mm 5.107 mm 5.674 mm 250. WESTFORD AT 0 1984.02.13-18:25:40.296 -0.082 ps 38.313 ps 49.679 ps WESTFORD Atm 1984.02.14-07:56:12.480 Avg: 21.741 ps Rms: 38.415 ps Tot_Rms: 44.140 ps || Nat: 233 Dura: 95650.0 sec Tzd_avg: 7940.0 Tzd_rms: 53.6 Wzd_avg: 230.8 Wzd_rms: 65.4 ps Prs_avg: 101807. Pa Tem_avg: 3.8 C Stm_avg: 2.1 C Stm_rms: 1.6 K Spr_avg: 172. Spr_rms: 62. Pa 332. WESTFORD NG 1984.02.13-18:24:40.296 0.021 mm 0.422 mm 0.547 mm 333. WESTFORD EG 1984.02.13-18:24:40.296 0.080 mm 0.422 mm 0.547 mm 334. WESTFORD NG 1984.02.14-02:24:40.296 -0.034 mm 0.377 mm 0.489 mm 335. WESTFORD EG 1984.02.14-02:24:40.296 0.012 mm 0.377 mm 0.488 mm 336. WESTFORD NG 1984.02.14-10:24:40.296 -0.064 mm 0.376 mm 0.488 mm 337. WESTFORD EG 1984.02.14-10:24:40.296 -0.069 mm 0.376 mm 0.488 mm 338. WESTFORD NG 1984.02.14-18:24:40.296 -0.039 mm 0.422 mm 0.547 mm 339. WESTFORD EG 1984.02.14-18:24:40.296 -0.037 mm 0.422 mm 0.547 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 19.52 ps/h NRMS 0.39 share 0.87 count 82 2. RICHMOND Input 50.00 ps/h RMS 22.36 ps/h NRMS 0.45 share 0.93 count 82 3. WESTFORD Input 50.00 ps/h RMS 18.72 ps/h NRMS 0.37 share 0.80 count 82 Overall RMS 20.26 ps/h NRMS 0.41 share 0.87 count 246 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.09 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.54 count 8 Overall RMS 0.16 mm/d NRMS 0.08 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.32 D-14 NRMS 0.46 share 0.22 count 28 2. RICHMOND Input 5.00 D-14 RMS 3.53 D-14 NRMS 0.71 share 0.33 count 28 Overall RMS 2.98 D-14 NRMS 0.60 share 0.27 count 56 340. UT1-TAI 1, 1984.02.14-07:45:00.000 -1.4822 ms/d -115.94 micros/d 140.70 micros/d 182.43 micros/d EOP epoch (TDT) MJD: 45744.323289 NUT epoch (TDT) MJD: 45744.301787 341. Nutation DPSI wrt apriori model 1984.02.14-07:45:09.576 1.222 mas 1665.5 microasec 2159.6 microasec Nutation Dx wrt apriori model 1984.02.14-07:45:09.576 0.484 mas 661.1 microasec 857.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.14-07:45:09.576 2.476 mas 1665.5 microasec 2159.6 microasec 342. Nutation DEPS wrt apriori model 1984.02.14-07:45:09.576 0.472 mas 411.0 microasec 532.9 microasec Nutation Dy wrt apriori model 1984.02.14-07:45:09.576 0.473 mas 413.4 microasec 536.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.14-07:45:09.576 3.354 mas 411.0 microasec 532.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.7864 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632840.25 10.14 2362632840.25 10.14 78.48 5.86 140.55 53.80 HRAS_085 7216 to WESTFORD 7209 3134928021.29 7.00 3134928021.29 7.00 90.02 4.44 232.57 29.29 RICHMOND 7219 to WESTFORD 7209 2044501760.00 8.78 2044501760.00 8.78 88.58 5.13 65.66 45.58 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:35 Correlator type: Unknown Experiment code: ia161 Mark-3 db_name: $84FEB18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840218_a Ver 2 ia161 Matrix Condition Number = 1.684546360765922E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 1.3 5.3 838.0 1.6 13.4 9.8 RICHMOND MET 20.2 3.1 1016.4 0.9 42.5 6.7 WESTFORD MET 1.5 1.6 1007.5 1.4 91.3 44.6 WETTZELL MET -7.4 0.3 953.7 0.7 88.0 1.8 Run 26091-1743 385 Observation Pairs Available Session started on: 2445749.248400 1984.02.18 17:57:41.760 UTC Nominal duration: 88231.680 sec 01 00:30:31.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 269 40.862 ps 0.91 1.2210 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 275 Number of potentially good observations with QC 5-9: 275 Number of used observations: 269 ( 97.82%) Number of suppressed observations: 6 ( 2.18%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 51 53 35.280 1.00 19840218_a ia161 1984.02.19-06:12:57.6 BAS_STAT HRAS_085 WESTFORD 136 139 39.897 0.89 19840218_a ia161 1984.02.19-06:12:57.6 BAS_STAT HRAS_085 WETTZELL 8 9 64.414 0.92 19840218_a ia161 1984.02.19-06:12:57.6 BAS_STAT RICHMOND WESTFORD 45 45 54.210 1.04 19840218_a ia161 1984.02.19-06:12:57.6 BAS_STAT RICHMOND WETTZELL 3 3 49.127 0.58 19840218_a ia161 1984.02.19-06:12:57.6 BAS_STAT WESTFORD WETTZELL 26 26 35.182 0.56 19840218_a ia161 1984.02.19-06:12:57.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 6 6 9 40.116 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 0212+735 J0217+7349 14 15 27 58.465 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 0234+285 J0237+2848 25 25 27 49.166 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 0528+134 J0530+1331 10 10 13 48.721 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 0552+398 J0555+3948 29 29 32 60.245 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 1637+574 J1638+5720 20 20 43 162.145 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 1803+784 J1800+7828 3 3 6 33.807 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 2134+00 J2136+0041 11 12 13 85.085 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 2216-038 J2218-0335 1 2 3 30.166 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 3C273B J1229+0203 24 24 27 18.562 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 3C345 J1642+3948 29 29 36 28.484 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 3C454.3 J2253+1608 11 14 16 43.873 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: 4C39.25 J0927+3902 14 14 33 47.051 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: NRAO150 J0359+5057 14 14 16 60.170 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: OJ287 J0854+2006 25 25 28 35.324 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: OQ208 J1407+2827 20 20 31 85.977 19840218_a ia161 1984.02.19-06:12:57.600 SRC_STAT: VR422201 J2202+4216 13 13 25 60.431 19840218_a ia161 1984.02.19-06:12:57.600 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.19-06:12:25 1. HRAS_085 7216 NOAM X Comp -1324211084.12 mm -67.123 mm 11.612 mm 12.831 mm 2. HRAS_085 7216 NOAM Y Comp -5332023083.17 mm -1.169 mm 23.024 mm 25.441 mm 3. HRAS_085 7216 NOAM Z Comp 3232118458.78 mm 151.784 mm 19.345 mm 21.376 mm HRAS_085 7216 U Comp 92.24 mm 92.244 mm 27.108 mm 24.648 mm HRAS_085 7216 E Comp -64.86 mm -64.863 mm 12.482 mm 11.349 mm HRAS_085 7216 N Comp 121.77 mm 121.775 mm 12.187 mm 11.081 mm 4. HRAS_085 CL 0 1984.02.18-17:57:09.576 11465.393 ns 0.291 ns 0.321 ns 5. HRAS_085 CL 1 1984.02.18-17:57:09.576 12.387 D-14 2.260 D-14 2.497 D-14 6. HRAS_085 CL 2 1984.02.18-17:57:09.576 2.179 D-14/day 1.876 D-14/day 2.073 D-14/day 32. HRAS_085 AT 0 1984.02.18-17:57:09.576 -120.577 ps 79.001 ps 87.294 ps HRAS_085 Atm 1984.02.19-06:27:41.760 Avg: -99.732 ps Rms: 18.987 ps Tot_Rms: 101.523 ps || Nat: 182 Dura: 86070.0 sec Tzd_avg: 6481.7 Tzd_rms: 37.4 Wzd_avg: 122.8 Wzd_rms: 33.5 ps Prs_avg: 83808. Pa Tem_avg: 0.8 C Stm_avg: -5.3 C Stm_rms: 2.8 K Spr_avg: 133. Spr_rms: 89. Pa 108. HRAS_085 NG 1984.02.18-17:56:09.576 -0.025 mm 0.422 mm 0.467 mm 109. HRAS_085 EG 1984.02.18-17:56:09.576 0.025 mm 0.422 mm 0.466 mm 110. HRAS_085 NG 1984.02.19-01:56:09.576 -0.020 mm 0.377 mm 0.416 mm 111. HRAS_085 EG 1984.02.19-01:56:09.576 0.024 mm 0.377 mm 0.416 mm 112. HRAS_085 NG 1984.02.19-09:56:09.576 0.005 mm 0.377 mm 0.416 mm 113. HRAS_085 EG 1984.02.19-09:56:09.576 0.020 mm 0.377 mm 0.416 mm 114. HRAS_085 NG 1984.02.19-17:56:09.576 0.033 mm 0.422 mm 0.466 mm 115. HRAS_085 EG 1984.02.19-17:56:09.576 -0.030 mm 0.422 mm 0.466 mm 116. RICHMOND 7219 NOAM X Comp 961257960.26 mm -58.743 mm 12.762 mm 14.101 mm 117. RICHMOND 7219 NOAM Y Comp -5674090005.55 mm 44.449 mm 31.984 mm 35.341 mm 118. RICHMOND 7219 NOAM Z Comp 2740533807.35 mm 9.347 mm 22.880 mm 25.282 mm RICHMOND 7219 U Comp -44.32 mm -44.325 mm 37.917 mm 34.476 mm RICHMOND 7219 E Comp -50.49 mm -50.493 mm 10.883 mm 9.895 mm RICHMOND 7219 N Comp 31.62 mm 31.616 mm 12.376 mm 11.253 mm 119. RICHMOND CL 0 1984.02.18-17:57:09.576 13521.783 ns 0.297 ns 0.328 ns 120. RICHMOND CL 1 1984.02.18-17:57:09.576 38.459 D-14 2.291 D-14 2.532 D-14 121. RICHMOND CL 2 1984.02.18-17:57:09.576 0.318 D-14/day 1.962 D-14/day 2.168 D-14/day 147. RICHMOND AT 0 1984.02.18-17:57:09.576 -47.481 ps 74.065 ps 81.840 ps RICHMOND Atm 1984.02.19-06:27:41.760 Avg: -50.460 ps Rms: 57.473 ps Tot_Rms: 76.481 ps || Nat: 82 Dura: 86240.0 sec Tzd_avg: 8277.6 Tzd_rms: 44.8 Wzd_avg: 575.7 Wzd_rms: 45.8 ps Prs_avg: 101636. Pa Tem_avg: 20.1 C Stm_avg: -4.0 C Stm_rms: 2.8 K Spr_avg: 82. Spr_rms: 93. Pa 223. RICHMOND NG 1984.02.18-17:56:09.576 0.004 mm 0.422 mm 0.467 mm 224. RICHMOND EG 1984.02.18-17:56:09.576 -0.061 mm 0.422 mm 0.466 mm 225. RICHMOND NG 1984.02.19-01:56:09.576 0.012 mm 0.377 mm 0.417 mm 226. RICHMOND EG 1984.02.19-01:56:09.576 -0.050 mm 0.377 mm 0.416 mm 227. RICHMOND NG 1984.02.19-09:56:09.576 0.023 mm 0.377 mm 0.417 mm 228. RICHMOND EG 1984.02.19-09:56:09.576 0.024 mm 0.377 mm 0.416 mm 229. RICHMOND NG 1984.02.19-17:56:09.576 -0.044 mm 0.422 mm 0.466 mm 230. RICHMOND EG 1984.02.19-17:56:09.576 0.077 mm 0.422 mm 0.466 mm 231. WESTFORD 7209 NOAM X Comp 1492206573.84 mm 30.844 mm 12.027 mm 13.289 mm 232. WESTFORD 7209 NOAM Y Comp -4458130389.70 mm 132.300 mm 16.431 mm 18.156 mm 233. WESTFORD 7209 NOAM Z Comp 4296015496.83 mm -50.166 mm 18.113 mm 20.014 mm WESTFORD 7209 U Comp -119.09 mm -119.090 mm 23.854 mm 21.689 mm WESTFORD 7209 E Comp 71.24 mm 71.242 mm 10.118 mm 9.199 mm WESTFORD 7209 N Comp 41.39 mm 41.393 mm 8.447 mm 7.680 mm 234. WESTFORD AT 0 1984.02.18-17:57:09.576 24.405 ps 42.788 ps 47.280 ps WESTFORD Atm 1984.02.19-06:27:41.760 Avg: 2.347 ps Rms: 29.962 ps Tot_Rms: 30.054 ps || Nat: 196 Dura: 88230.0 sec Tzd_avg: 7900.4 Tzd_rms: 29.8 Wzd_avg: 276.9 Wzd_rms: 40.8 ps Prs_avg: 100751. Pa Tem_avg: 1.5 C Stm_avg: 0.0 C Stm_rms: 0.4 K Spr_avg: 227. Spr_rms: 34. Pa 310. WESTFORD NG 1984.02.18-17:56:09.576 0.011 mm 0.422 mm 0.466 mm 311. WESTFORD EG 1984.02.18-17:56:09.576 0.031 mm 0.422 mm 0.466 mm 312. WESTFORD NG 1984.02.19-01:56:09.576 0.002 mm 0.377 mm 0.417 mm 313. WESTFORD EG 1984.02.19-01:56:09.576 0.031 mm 0.376 mm 0.416 mm 314. WESTFORD NG 1984.02.19-09:56:09.576 -0.014 mm 0.377 mm 0.416 mm 315. WESTFORD EG 1984.02.19-09:56:09.576 -0.043 mm 0.377 mm 0.416 mm 316. WESTFORD NG 1984.02.19-17:56:09.576 0.006 mm 0.422 mm 0.467 mm 317. WESTFORD EG 1984.02.19-17:56:09.576 -0.051 mm 0.422 mm 0.466 mm 318. WETTZELL 7224 EURA X Comp 4075539936.02 mm 95.021 mm 32.723 mm 36.158 mm 319. WETTZELL 7224 EURA Y Comp 931735138.42 mm -175.580 mm 26.147 mm 28.892 mm 320. WETTZELL 7224 EURA Z Comp 4801629282.03 mm -110.965 mm 44.340 mm 48.995 mm WETTZELL 7224 U Comp -48.93 mm -48.933 mm 50.648 mm 46.052 mm WETTZELL 7224 E Comp -192.34 mm -192.341 mm 30.193 mm 27.453 mm WETTZELL 7224 N Comp -113.05 mm -113.054 mm 15.611 mm 14.194 mm 321. WETTZELL CL 0 1984.02.18-17:57:09.576 12924.689 ns 0.258 ns 0.285 ns 322. WETTZELL CL 1 1984.02.18-17:57:09.576 -315.060 D-14 4.244 D-14 4.690 D-14 323. WETTZELL CL 2 1984.02.18-17:57:09.576 -4.619 D-14/day 13.163 D-14/day 14.544 D-14/day 349. WETTZELL AT 0 1984.02.18-17:57:09.576 -75.733 ps 52.241 ps 57.725 ps WETTZELL Atm 1984.02.19-06:27:41.760 Avg: -63.105 ps Rms: 6.694 ps Tot_Rms: 63.459 ps || Nat: 29 Dura: 25680.0 sec Tzd_avg: 7326.2 Tzd_rms: 3.2 Wzd_avg: 120.8 Wzd_rms: 1.8 ps Prs_avg: 95375. Pa Tem_avg: -7.4 C Stm_avg: -0.4 C Stm_rms: 1.4 K Spr_avg: 382. Spr_rms: 25. Pa 425. WETTZELL NG 1984.02.18-17:56:09.576 0.007 mm 0.422 mm 0.467 mm 426. WETTZELL EG 1984.02.18-17:56:09.576 0.004 mm 0.422 mm 0.467 mm 427. WETTZELL NG 1984.02.19-01:56:09.576 0.004 mm 0.377 mm 0.417 mm 428. WETTZELL EG 1984.02.19-01:56:09.576 0.001 mm 0.377 mm 0.417 mm 429. WETTZELL NG 1984.02.19-09:56:09.576 0.001 mm 0.377 mm 0.417 mm 430. WETTZELL EG 1984.02.19-09:56:09.576 0.000 mm 0.377 mm 0.417 mm 431. WETTZELL NG 1984.02.19-17:56:09.576 0.000 mm 0.422 mm 0.467 mm 432. WETTZELL EG 1984.02.19-17:56:09.576 0.000 mm 0.422 mm 0.467 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.67 ps/h NRMS 0.27 share 0.89 count 76 2. RICHMOND Input 50.00 ps/h RMS 16.42 ps/h NRMS 0.33 share 0.94 count 76 3. WESTFORD Input 50.00 ps/h RMS 15.93 ps/h NRMS 0.32 share 0.82 count 76 4. WETTZELL Input 50.00 ps/h RMS 2.73 ps/h NRMS 0.05 share 0.96 count 76 Overall RMS 13.40 ps/h NRMS 0.27 share 0.90 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.10 D-14 NRMS 0.42 share 0.26 count 26 2. RICHMOND Input 5.00 D-14 RMS 2.89 D-14 NRMS 0.58 share 0.38 count 26 4. WETTZELL Input 5.00 D-14 RMS 0.36 D-14 NRMS 0.07 share 0.85 count 26 Overall RMS 2.07 D-14 NRMS 0.41 share 0.50 count 78 433. UT1-TAI 1, 1984.02.19-06:13:00.000 -2.4338 ms/d -167.03 micros/d 172.65 micros/d 190.77 micros/d EOP epoch (TDT) MJD: 45749.259400 NUT epoch (TDT) MJD: 45749.286747 434. Nutation DPSI wrt apriori model 1984.02.19-06:12:25.416 -0.482 mas 1868.1 microasec 2064.2 microasec Nutation Dx wrt apriori model 1984.02.19-06:12:25.416 -0.192 mas 741.5 microasec 819.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.19-06:12:25.416 3.148 mas 1868.1 microasec 2064.2 microasec 435. Nutation DEPS wrt apriori model 1984.02.19-06:12:25.416 0.183 mas 476.8 microasec 526.9 microasec Nutation Dy wrt apriori model 1984.02.19-06:12:25.416 0.183 mas 479.5 microasec 529.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.19-06:12:25.416 3.056 mas 476.8 microasec 526.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3532 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632853.78 10.91 2362632853.78 10.91 98.78 7.95 108.23 54.73 HRAS_085 7216 to WESTFORD 7209 3134928032.89 8.48 3134928032.89 8.48 115.11 4.87 227.45 33.71 HRAS_085 7216 to WETTZELL 7224 8417561544.91 35.35 8417561544.91 35.35 333.68 21.48 93.91 72.44 RICHMOND 7219 to WESTFORD 7209 2044501774.02 9.79 2044501774.02 9.79 104.35 5.63 86.51 47.08 RICHMOND 7219 to WETTZELL 7224 7588398553.92 37.28 7588398553.92 37.28 229.55 18.26 -88.77 82.49 WESTFORD 7209 to WETTZELL 7224 5998325347.22 23.81 5998325347.22 23.81 178.21 19.13 -79.13 75.32 NNT_POS: 5 stations participated in NNT_POS constraints: JPL_MV1 MOJAVE12 OVRO_130 PBLOSSOM VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:38 Correlator type: Unknown Experiment code: cdp84a Mark-3 db_name: $84FEB20X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840220_a Ver 2 cdp84a Matrix Condition Number = 1.180244479595977E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- JPL_MV1 : GION | | MOJAVE12: GION | | OVRO_130: GION | | PBLOSSOM: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PBLOSSOM is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms JPL_MV1 MET -999.0 0.0 -999.0 0.0-99900.0 0.0 MOJAVE12 MET 4.4 7.7 916.2 2.1 33.7 2.3 OVRO_130 MET 5.6 6.3 882.4 3.0 15.5 5.1 PBLOSSOM MET 10.6 2.9 915.2 1.9 3.7 1.7 VNDNBERG MET 16.7 3.2 1020.1 1.5 51.8 18.6 Run 26091-1743 546 Observation Pairs Available Session started on: 2445751.191800 1984.02.20 16:36:11.520 UTC Nominal duration: 84689.280 sec 00 23:31:29.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 307 23.638 ps 0.80 1.0179 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 323 Number of potentially good observations with QC 5-9: 323 Number of used observations: 307 ( 95.05%) Number of suppressed observations: 16 ( 4.95%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 MOJAVE12 24 24 64.525 0.80 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT JPL_MV1 OVRO_130 17 17 142.700 0.90 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT JPL_MV1 VNDNBERG 7 7 30.274 0.58 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT MOJAVE12 OVRO_130 52 54 26.201 0.80 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT MOJAVE12 PBLOSSOM 56 61 36.195 0.84 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT MOJAVE12 VNDNBERG 53 53 16.328 0.76 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT OVRO_130 PBLOSSOM 44 45 37.918 0.84 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT OVRO_130 VNDNBERG 35 40 10.822 0.62 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT PBLOSSOM VNDNBERG 19 22 35.017 0.91 19840220_a cdp84a 1984.02.21-04:21:56.1 BAS_STAT Not included: JPL_MV1 PBLOSSOM 0/ 0 deselected baseline 19840220_a cdp84a Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 11 13 23 35.987 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 0552+398 J0555+3948 35 37 52 37.913 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 0727-115 J0730-1141 10 11 21 47.952 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 1921-293 J1924-2914 2 6 24 73.086 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 3C120 J0433+0521 18 18 41 59.471 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 3C273B J1229+0203 36 36 48 13.120 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 3C279 J1256-0547 12 12 27 40.415 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 3C345 J1642+3948 41 42 52 20.783 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 3C418 J2038+5119 11 12 48 55.596 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 3C454.3 J2253+1608 19 21 37 26.418 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 3C84 J0319+4130 53 53 61 14.580 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: 4C39.25 J0927+3902 26 26 44 34.232 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: NRAO150 J0359+5057 29 30 46 31.796 19840220_a cdp84a 1984.02.21-04:21:56.160 SRC_STAT: NRAO530 J1733-1304 4 6 22 30.776 19840220_a cdp84a 1984.02.21-04:21:56.160 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.21-04:21:23 1. JPL_MV1 7263 PCFC X Comp -2493306087.97 mm 209.032 mm 52.423 mm 52.890 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197254.66 mm 129.344 mm 100.117 mm 101.009 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519228.99 mm -234.009 mm 80.777 mm 81.497 mm JPL_MV1 7263 U Comp -307.47 mm -307.470 mm 137.585 mm 109.705 mm JPL_MV1 7263 E Comp 123.20 mm 123.198 mm 11.832 mm 9.434 mm JPL_MV1 7263 N Comp -73.95 mm -73.955 mm 15.061 mm 12.009 mm 4. JPL_MV1 AT 0 1984.02.20-16:35:39.336 341.858 ps 355.806 ps 358.977 ps JPL_MV1 Atm 1984.02.21-04:36:11.520 Avg: 320.507 ps Rms: 30.676 ps Tot_Rms: 321.972 ps || Nat: 40 Dura: 83658.0 sec Tzd_avg: 7426.5 Tzd_rms: 16.5 Wzd_avg: 76.8 Wzd_rms: 12.2 ps Prs_avg: 96323. Pa Tem_avg: 12.2 C Stm_avg: -3.1 C Stm_rms: 2.1 K Spr_avg: -422. Spr_rms: 145. Pa 77. JPL_MV1 NG 1984.02.20-16:34:39.336 -0.004 mm 0.422 mm 0.426 mm 78. JPL_MV1 EG 1984.02.20-16:34:39.336 0.001 mm 0.422 mm 0.426 mm 79. JPL_MV1 NG 1984.02.21-00:34:39.336 -0.009 mm 0.377 mm 0.380 mm 80. JPL_MV1 EG 1984.02.21-00:34:39.336 -0.003 mm 0.377 mm 0.380 mm 81. JPL_MV1 NG 1984.02.21-08:34:39.336 0.001 mm 0.377 mm 0.380 mm 82. JPL_MV1 EG 1984.02.21-08:34:39.336 0.004 mm 0.377 mm 0.380 mm 83. JPL_MV1 NG 1984.02.21-16:34:39.336 0.004 mm 0.422 mm 0.426 mm 84. JPL_MV1 EG 1984.02.21-16:34:39.336 -0.001 mm 0.422 mm 0.426 mm 85. MOJAVE12 7222 NOAM X Comp -2356171224.40 mm -128.403 mm 17.224 mm 17.377 mm 86. MOJAVE12 7222 NOAM Y Comp -4646755672.37 mm 159.634 mm 32.320 mm 32.608 mm 87. MOJAVE12 7222 NOAM Z Comp 3668470729.77 mm 148.767 mm 25.815 mm 26.045 mm MOJAVE12 7222 U Comp 17.25 mm 17.254 mm 44.333 mm 35.350 mm MOJAVE12 7222 E Comp -186.72 mm -186.715 mm 4.604 mm 3.671 mm MOJAVE12 7222 N Comp 170.12 mm 170.123 mm 4.585 mm 3.656 mm 88. MOJAVE12 CL 0 1984.02.20-16:35:39.336 -1279.616 ns 0.857 ns 0.865 ns 89. MOJAVE12 CL 1 1984.02.20-16:35:39.336 2.340 D-14 2.322 D-14 2.343 D-14 90. MOJAVE12 CL 2 1984.02.20-16:35:39.336 -0.540 D-14/day 1.986 D-14/day 2.004 D-14/day 115. MOJAVE12 AT 0 1984.02.20-16:35:39.336 -79.882 ps 236.055 ps 238.159 ps MOJAVE12 Atm 1984.02.21-04:36:11.520 Avg: -84.106 ps Rms: 12.919 ps Tot_Rms: 85.092 ps || Nat: 84 Dura: 83830.0 sec Tzd_avg: 7005.1 Tzd_rms: 18.3 Wzd_avg: 63.5 Wzd_rms: 14.2 ps Prs_avg: 91633. Pa Tem_avg: 4.7 C Stm_avg: -5.6 C Stm_rms: 7.9 K Spr_avg: 268. Spr_rms: 31. Pa 188. MOJAVE12 NG 1984.02.20-16:34:39.336 0.032 mm 0.422 mm 0.426 mm 189. MOJAVE12 EG 1984.02.20-16:34:39.336 -0.012 mm 0.422 mm 0.426 mm 190. MOJAVE12 NG 1984.02.21-00:34:39.336 0.024 mm 0.376 mm 0.380 mm 191. MOJAVE12 EG 1984.02.21-00:34:39.336 -0.013 mm 0.376 mm 0.380 mm 192. MOJAVE12 NG 1984.02.21-08:34:39.336 -0.038 mm 0.377 mm 0.380 mm 193. MOJAVE12 EG 1984.02.21-08:34:39.336 -0.011 mm 0.377 mm 0.380 mm 194. MOJAVE12 NG 1984.02.21-16:34:39.336 -0.031 mm 0.422 mm 0.426 mm 195. MOJAVE12 EG 1984.02.21-16:34:39.336 -0.017 mm 0.422 mm 0.425 mm 196. OVRO_130 7207 NOAM X Comp -2409601001.63 mm -114.635 mm 18.511 mm 18.676 mm 197. OVRO_130 7207 NOAM Y Comp -4478349366.56 mm 97.444 mm 34.898 mm 35.209 mm 198. OVRO_130 7207 NOAM Z Comp 3838603366.43 mm 178.434 mm 29.555 mm 29.819 mm OVRO_130 7207 U Comp 82.88 mm 82.883 mm 48.698 mm 38.830 mm OVRO_130 7207 E Comp -147.12 mm -147.121 mm 4.371 mm 3.485 mm OVRO_130 7207 N Comp 161.12 mm 161.124 mm 6.591 mm 5.255 mm 199. OVRO_130 CL 0 1984.02.20-16:35:39.336 -5259.966 ns 0.970 ns 0.978 ns 200. OVRO_130 CL 1 1984.02.20-16:35:39.336 -19.395 D-14 2.944 D-14 2.970 D-14 201. OVRO_130 CL 2 1984.02.20-16:35:39.336 -1.374 D-14/day 2.441 D-14/day 2.463 D-14/day 226. OVRO_130 AT 0 1984.02.20-16:35:39.336 -160.460 ps 248.378 ps 250.592 ps OVRO_130 Atm 1984.02.21-04:36:11.520 Avg: -186.604 ps Rms: 16.549 ps Tot_Rms: 187.336 ps || Nat: 77 Dura: 78420.0 sec Tzd_avg: 6806.2 Tzd_rms: 22.2 Wzd_avg: 116.8 Wzd_rms: 22.6 ps Prs_avg: 88227. Pa Tem_avg: 5.1 C Stm_avg: -4.3 C Stm_rms: 3.5 K Spr_avg: 138. Spr_rms: 133. Pa 299. OVRO_130 NG 1984.02.20-16:34:39.336 0.012 mm 0.422 mm 0.425 mm 300. OVRO_130 EG 1984.02.20-16:34:39.336 0.013 mm 0.422 mm 0.426 mm 301. OVRO_130 NG 1984.02.21-00:34:39.336 0.014 mm 0.376 mm 0.379 mm 302. OVRO_130 EG 1984.02.21-00:34:39.336 0.037 mm 0.376 mm 0.380 mm 303. OVRO_130 NG 1984.02.21-08:34:39.336 -0.007 mm 0.377 mm 0.380 mm 304. OVRO_130 EG 1984.02.21-08:34:39.336 0.006 mm 0.377 mm 0.380 mm 305. OVRO_130 NG 1984.02.21-16:34:39.336 -0.008 mm 0.422 mm 0.426 mm 306. OVRO_130 EG 1984.02.21-16:34:39.336 -0.005 mm 0.422 mm 0.426 mm 307. PBLOSSOM 7254 NOAM X Comp -2464071154.25 mm -111.253 mm 22.145 mm 22.343 mm 308. PBLOSSOM 7254 NOAM Y Comp -4649425525.38 mm -215.381 mm 41.079 mm 41.445 mm 309. PBLOSSOM 7254 NOAM Z Comp 3593905829.41 mm 196.409 mm 32.758 mm 33.050 mm PBLOSSOM 7254 U Comp 311.02 mm 311.024 mm 56.442 mm 45.004 mm PBLOSSOM 7254 E Comp 2.56 mm 2.556 mm 5.211 mm 4.155 mm PBLOSSOM 7254 N Comp 24.50 mm 24.501 mm 6.177 mm 4.925 mm 310. PBLOSSOM CL 0 1984.02.20-16:35:39.336 -4209.551 ns 0.976 ns 0.984 ns 311. PBLOSSOM CL 1 1984.02.20-16:35:39.336 23.354 D-14 2.892 D-14 2.917 D-14 312. PBLOSSOM CL 2 1984.02.20-16:35:39.336 0.442 D-14/day 2.372 D-14/day 2.393 D-14/day 337. PBLOSSOM AT 0 1984.02.20-16:35:39.336 -253.504 ps 232.784 ps 234.859 ps PBLOSSOM Atm 1984.02.21-04:36:11.520 Avg: -203.879 ps Rms: 33.960 ps Tot_Rms: 206.688 ps || Nat: 84 Dura: 84688.0 sec Tzd_avg: 7022.1 Tzd_rms: 19.3 Wzd_avg: 65.4 Wzd_rms: 12.1 ps Prs_avg: 91522. Pa Tem_avg: 10.6 C Stm_avg: 0.1 C Stm_rms: 2.2 K Spr_avg: -37. Spr_rms: 59. Pa 410. PBLOSSOM NG 1984.02.20-16:34:39.336 -0.046 mm 0.422 mm 0.426 mm 411. PBLOSSOM EG 1984.02.20-16:34:39.336 -0.005 mm 0.422 mm 0.426 mm 412. PBLOSSOM NG 1984.02.21-00:34:39.336 -0.034 mm 0.377 mm 0.380 mm 413. PBLOSSOM EG 1984.02.21-00:34:39.336 -0.021 mm 0.377 mm 0.380 mm 414. PBLOSSOM NG 1984.02.21-08:34:39.336 0.026 mm 0.377 mm 0.380 mm 415. PBLOSSOM EG 1984.02.21-08:34:39.336 0.013 mm 0.377 mm 0.380 mm 416. PBLOSSOM NG 1984.02.21-16:34:39.336 0.020 mm 0.422 mm 0.426 mm 417. PBLOSSOM EG 1984.02.21-16:34:39.336 0.014 mm 0.422 mm 0.426 mm 418. VNDNBERG 7223 PCFC X Comp -2678094901.74 mm 145.258 mm 21.954 mm 22.150 mm 419. VNDNBERG 7223 PCFC Y Comp -4525450671.04 mm -171.042 mm 38.716 mm 39.061 mm 420. VNDNBERG 7223 PCFC Z Comp 3597410126.40 mm -289.602 mm 30.762 mm 31.036 mm VNDNBERG 7223 U Comp -103.96 mm -103.964 mm 53.513 mm 42.670 mm VNDNBERG 7223 E Comp 212.12 mm 212.119 mm 6.141 mm 4.897 mm VNDNBERG 7223 N Comp -280.04 mm -280.039 mm 5.077 mm 4.048 mm 421. VNDNBERG CL 0 1984.02.20-16:35:39.336 -781.834 ns 0.862 ns 0.869 ns 422. VNDNBERG CL 1 1984.02.20-16:35:39.336 -102.052 D-14 2.337 D-14 2.358 D-14 423. VNDNBERG CL 2 1984.02.20-16:35:39.336 -1.805 D-14/day 2.012 D-14/day 2.029 D-14/day 448. VNDNBERG AT 0 1984.02.20-16:35:39.336 -15.216 ps 226.931 ps 228.954 ps VNDNBERG Atm 1984.02.21-04:36:11.520 Avg: -10.626 ps Rms: 28.150 ps Tot_Rms: 30.089 ps || Nat: 75 Dura: 83830.0 sec Tzd_avg: 7917.9 Tzd_rms: 33.0 Wzd_avg: 180.6 Wzd_rms: 40.8 ps Prs_avg: 102016. Pa Tem_avg: 16.8 C Stm_avg: 1.9 C Stm_rms: 2.4 K Spr_avg: 106. Spr_rms: 24. Pa 521. VNDNBERG NG 1984.02.20-16:34:39.336 0.005 mm 0.422 mm 0.426 mm 522. VNDNBERG EG 1984.02.20-16:34:39.336 0.006 mm 0.422 mm 0.426 mm 523. VNDNBERG NG 1984.02.21-00:34:39.336 0.005 mm 0.377 mm 0.380 mm 524. VNDNBERG EG 1984.02.21-00:34:39.336 0.010 mm 0.377 mm 0.380 mm 525. VNDNBERG NG 1984.02.21-08:34:39.336 0.016 mm 0.377 mm 0.380 mm 526. VNDNBERG EG 1984.02.21-08:34:39.336 -0.005 mm 0.377 mm 0.380 mm 527. VNDNBERG NG 1984.02.21-16:34:39.336 0.013 mm 0.422 mm 0.426 mm 528. VNDNBERG EG 1984.02.21-16:34:39.336 0.011 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. JPL_MV1 Input 50.00 ps/h RMS 8.39 ps/h NRMS 0.17 share 0.96 count 73 2. MOJAVE12 Input 50.00 ps/h RMS 13.33 ps/h NRMS 0.27 share 0.87 count 73 3. OVRO_130 Input 50.00 ps/h RMS 16.57 ps/h NRMS 0.33 share 0.89 count 73 4. PBLOSSOM Input 50.00 ps/h RMS 14.07 ps/h NRMS 0.28 share 0.92 count 73 5. VNDNBERG Input 50.00 ps/h RMS 16.39 ps/h NRMS 0.33 share 0.91 count 73 Overall RMS 14.07 ps/h NRMS 0.28 share 0.91 count 365 Gradient Constraint Statistics 1. JPL_MV1 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 4. PBLOSSOM Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 5. VNDNBERG Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 40 Clock Constraint Statistics 2. MOJAVE12 Input 5.00 D-14 RMS 1.90 D-14 NRMS 0.38 share 0.36 count 25 3. OVRO_130 Input 5.00 D-14 RMS 2.30 D-14 NRMS 0.46 share 0.44 count 25 4. PBLOSSOM Input 5.00 D-14 RMS 4.36 D-14 NRMS 0.87 share 0.43 count 25 5. VNDNBERG Input 5.00 D-14 RMS 1.84 D-14 NRMS 0.37 share 0.40 count 25 Overall RMS 2.80 D-14 NRMS 0.56 share 0.41 count 100 529. UT1-TAI 1, 1984.02.21-04:21:00.000 -3.0724 ms/d -935.13 micros/d 2561.48 micros/d 2584.31 micros/d EOP epoch (TDT) MJD: 45751.181623 NUT epoch (TDT) MJD: 45751.236325 530. Nutation DPSI wrt apriori model 1984.02.21-04:21:23.976 1.288 mas 13010.0 microasec 13126.0 microasec Nutation Dx wrt apriori model 1984.02.21-04:21:23.976 0.518 mas 5149.9 microasec 5195.8 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.21-04:21:23.976 4.350 mas 13010.0 microasec 13126.0 microasec 531. Nutation DEPS wrt apriori model 1984.02.21-04:21:23.976 -1.644 mas 7223.0 microasec 7287.4 microasec Nutation Dy wrt apriori model 1984.02.21-04:21:23.976 -1.642 mas 7241.3 microasec 7305.9 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.21-04:21:23.976 1.294 mas 7223.0 microasec 7287.4 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1463 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to MOJAVE12 7222 171686466.06 17.58 171686466.06 17.58 -393.80 16.02 -323.63 172.31 JPL_MV1 7263 to OVRO_130 7207 335941457.89 19.78 335941457.89 19.78 -263.19 15.19 -387.37 175.55 JPL_MV1 7263 to VNDNBERG 7223 228030943.06 16.46 228030943.06 16.46 -191.93 19.06 -210.77 177.76 MOJAVE12 7222 to OVRO_130 7207 245276454.21 6.75 245276454.21 6.75 32.81 4.38 -56.83 51.88 MOJAVE12 7222 to PBLOSSOM 7254 131184783.20 5.51 131184783.20 5.51 -235.50 6.83 -294.30 59.36 MOJAVE12 7222 to VNDNBERG 7223 351282460.04 8.05 351282460.03 8.05 -534.34 5.27 120.61 56.99 OVRO_130 7207 to PBLOSSOM 7254 303497832.40 9.21 303497832.40 9.21 -133.87 6.16 -232.97 66.22 OVRO_130 7207 to VNDNBERG 7223 363980337.82 8.30 363980337.82 8.30 -547.91 5.23 187.14 57.32 PBLOSSOM 7254 to VNDNBERG 7223 247362505.43 8.01 247362505.43 8.01 -304.54 7.05 410.54 74.04 NNT_POS: 2 stations participated in NNT_POS constraints: MOJAVE12 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:41 Correlator type: Unknown Experiment code: pd841 Mark-3 db_name: $84FEB21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840221_a Ver 2 pd841 Matrix Condition Number = 6.606288180409678E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- MOJAVE12: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms MOJAVE12 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 OVRO_130 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 Run 26091-1743 155 Observation Pairs Available Session started on: 2445752.305500 1984.02.21 19:19:55.200 UTC Nominal duration: 84240.000 sec 00 23:24:00.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 139 15.102 ps 0.76 1.0050 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 141 Number of potentially good observations with QC 5-9: 141 Number of used observations: 139 ( 98.58%) Number of suppressed observations: 2 ( 1.42%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 OVRO_130 139 141 15.102 0.76 19840221_a pd841 1984.02.22-07:01:55.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 5 6 6.441 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 0212+735 J0217+7349 17 18 23 32.281 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 0234+285 J0237+2848 9 9 11 39.725 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 0552+398 J0555+3948 15 15 17 15.469 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 1637+574 J1638+5720 17 18 19 36.602 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 2134+00 J2136+0041 8 8 8 6.767 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 3C273B J1229+0203 3 3 3 6.278 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 3C345 J1642+3948 14 14 14 5.730 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 3C454.3 J2253+1608 6 6 6 14.108 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: 4C39.25 J0927+3902 6 6 7 13.517 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: NRAO150 J0359+5057 17 17 19 16.095 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: OJ287 J0854+2006 3 3 3 9.571 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: OQ208 J1407+2827 10 10 10 19.498 19840221_a pd841 1984.02.22-07:01:55.200 SRC_STAT: VR422201 J2202+4216 9 9 9 15.088 19840221_a pd841 1984.02.22-07:01:55.200 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.22-07:01:23 1. MOJAVE12 7222 NOAM X Comp -2356171108.07 mm -12.068 mm 3.302 mm 3.310 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755799.80 mm 32.201 mm 5.469 mm 5.483 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470570.47 mm -10.527 mm 5.451 mm 5.464 mm MOJAVE12 7222 U Comp -25.07 mm -25.065 mm 7.892 mm 6.032 mm MOJAVE12 7222 E Comp -25.33 mm -25.326 mm 2.001 mm 1.529 mm MOJAVE12 7222 N Comp 4.86 mm 4.865 mm 2.060 mm 1.574 mm 4. MOJAVE12 CL 0 1984.02.21-19:19:23.016 3766.394 ns 0.095 ns 0.096 ns 5. MOJAVE12 CL 1 1984.02.21-19:19:23.016 21.632 D-14 2.078 D-14 2.083 D-14 6. MOJAVE12 CL 2 1984.02.21-19:19:23.016 0.757 D-14/day 1.823 D-14/day 1.828 D-14/day 31. MOJAVE12 AT 0 1984.02.21-19:19:23.016 198.032 ps 140.405 ps 140.759 ps MOJAVE12 Atm 1984.02.22-07:19:55.200 Avg: 170.713 ps Rms: 18.865 ps Tot_Rms: 171.753 ps || Nat: 155 Dura: 84240.0 sec Tzd_avg: 7010.0 Tzd_rms: 21.4 Wzd_avg: 126.0 Wzd_rms: 28.0 ps Prs_avg: 90832. Pa Tem_avg: 9.1 C Stm_avg: 0.4 C Stm_rms: 3.4 K Spr_avg: 195. Spr_rms: 124. Pa 104. MOJAVE12 NG 1984.02.21-19:18:23.016 0.020 mm 0.420 mm 0.421 mm 105. MOJAVE12 EG 1984.02.21-19:18:23.016 0.008 mm 0.421 mm 0.422 mm 106. MOJAVE12 NG 1984.02.22-03:18:23.016 0.014 mm 0.376 mm 0.377 mm 107. MOJAVE12 EG 1984.02.22-03:18:23.016 -0.011 mm 0.376 mm 0.377 mm 108. MOJAVE12 NG 1984.02.22-11:18:23.016 -0.008 mm 0.375 mm 0.376 mm 109. MOJAVE12 EG 1984.02.22-11:18:23.016 0.013 mm 0.375 mm 0.376 mm 110. MOJAVE12 NG 1984.02.22-19:18:23.016 -0.001 mm 0.420 mm 0.421 mm 111. MOJAVE12 EG 1984.02.22-19:18:23.016 0.017 mm 0.421 mm 0.422 mm 112. OVRO_130 7207 NOAM X Comp -2409600874.93 mm 12.068 mm 3.302 mm 3.310 mm 113. OVRO_130 7207 NOAM Y Comp -4478349496.20 mm -32.201 mm 5.469 mm 5.483 mm 114. OVRO_130 7207 NOAM Z Comp 3838603198.53 mm 10.527 mm 5.451 mm 5.464 mm OVRO_130 7207 U Comp 24.39 mm 24.394 mm 7.917 mm 6.051 mm OVRO_130 7207 E Comp 25.89 mm 25.885 mm 2.003 mm 1.531 mm OVRO_130 7207 N Comp -5.32 mm -5.316 mm 1.957 mm 1.496 mm 115. OVRO_130 AT 0 1984.02.21-19:19:23.016 82.334 ps 147.090 ps 147.460 ps OVRO_130 Atm 1984.02.22-07:19:55.200 Avg: 109.755 ps Rms: 19.658 ps Tot_Rms: 111.502 ps || Nat: 155 Dura: 84240.0 sec Tzd_avg: 6777.6 Tzd_rms: 24.4 Wzd_avg: 116.6 Wzd_rms: 31.9 ps Prs_avg: 87670. Pa Tem_avg: 7.2 C Stm_avg: 3.8 C Stm_rms: 3.2 K Spr_avg: -49. Spr_rms: 244. Pa 188. OVRO_130 NG 1984.02.21-19:18:23.016 -0.020 mm 0.420 mm 0.421 mm 189. OVRO_130 EG 1984.02.21-19:18:23.016 -0.006 mm 0.421 mm 0.422 mm 190. OVRO_130 NG 1984.02.22-03:18:23.016 -0.015 mm 0.376 mm 0.377 mm 191. OVRO_130 EG 1984.02.22-03:18:23.016 0.010 mm 0.376 mm 0.377 mm 192. OVRO_130 NG 1984.02.22-11:18:23.016 0.007 mm 0.375 mm 0.376 mm 193. OVRO_130 EG 1984.02.22-11:18:23.016 -0.018 mm 0.375 mm 0.376 mm 194. OVRO_130 NG 1984.02.22-19:18:23.016 -0.001 mm 0.420 mm 0.421 mm 195. OVRO_130 EG 1984.02.22-19:18:23.016 -0.021 mm 0.421 mm 0.422 mm Atmosphere Constraint Statistics 1. MOJAVE12 Input 50.00 ps/h RMS 21.16 ps/h NRMS 0.42 share 0.78 count 73 2. OVRO_130 Input 50.00 ps/h RMS 20.54 ps/h NRMS 0.41 share 0.78 count 73 Overall RMS 20.86 ps/h NRMS 0.42 share 0.78 count 146 Gradient Constraint Statistics 1. MOJAVE12 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.53 count 8 2. OVRO_130 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.53 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.53 count 16 Clock Constraint Statistics 1. MOJAVE12 Input 5.00 D-14 RMS 1.29 D-14 NRMS 0.26 share 0.17 count 25 Overall RMS 1.29 D-14 NRMS 0.26 share 0.17 count 25 EOP epoch (TDT) MJD: 45752.292734 General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1526 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to OVRO_130 7207 245276444.46 4.72 245276444.46 4.72 38.89 3.15 -49.45 15.81 NNT_POS: 5 stations participated in NNT_POS constraints: FORT_ORD HATCREEK MOJAVE12 OVRO_130 VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:44 Correlator type: Unknown Experiment code: cdp84b Mark-3 db_name: $84FEB23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840223_a Ver 2 cdp84b Matrix Condition Number = 3.500384292102500E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- FORT_ORD: GION | | HATCREEK: GION | | MOJAVE12: GION | | OVRO_130: GION | | PRESIDIO: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for FORT_ORD is 5.0 Elevation cut for HATCREEK is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms FORT_ORD MET 9.3 1.7 1012.6 0.3 85.2 0.5 HATCREEK MET -999.0 0.0 -999.0 0.0-99900.0 0.0 MOJAVE12 MET 7.0 5.0 911.6 1.0 37.5 7.9 OVRO_130 MET -999.0 0.0 -999.0 0.0-99900.0 0.0 PRESIDIO MET -999.0 0.0 -999.0 0.0 0.0 0.0 VNDNBERG MET 15.3 3.4 1017.5 0.7 50.0 21.7 Run 26091-1743 695 Observation Pairs Available Session started on: 2445754.167400 1984.02.23 16:01:03.360 UTC Nominal duration: 85138.560 sec 00 23:38:58.560 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 263 25.015 ps 0.81 1.1039 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 271 Number of potentially good observations with QC 5-9: 271 Number of used observations: 263 ( 97.05%) Number of suppressed observations: 8 ( 2.95%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps FORT_ORD HATCREEK 32 33 34.247 0.86 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT FORT_ORD MOJAVE12 37 38 24.676 0.86 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT FORT_ORD VNDNBERG 6 6 93.053 0.97 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT HATCREEK MOJAVE12 65 66 24.550 0.77 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT HATCREEK OVRO_130 31 31 77.184 0.83 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT HATCREEK VNDNBERG 27 29 15.122 0.64 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT MOJAVE12 OVRO_130 27 28 65.388 0.86 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT MOJAVE12 VNDNBERG 31 31 25.552 0.84 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT OVRO_130 VNDNBERG 7 9 3.542 0.30 19840223_a cdp84b 1984.02.24-03:50:32.6 BAS_STAT Not included: FORT_ORD OVRO_130 0/ 0 deselected baseline 19840223_a cdp84b FORT_ORD PRESIDIO 0/ 0 deselected baseline 19840223_a cdp84b HATCREEK PRESIDIO 0/ 0 deselected baseline 19840223_a cdp84b MOJAVE12 PRESIDIO 0/ 0 deselected baseline 19840223_a cdp84b OVRO_130 PRESIDIO 0/ 0 deselected baseline 19840223_a cdp84b PRESIDIO VNDNBERG 0/ 0 deselected baseline 19840223_a cdp84b Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 12 12 36 38.434 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 0552+398 J0555+3948 24 24 54 47.857 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 0727-115 J0730-1141 11 12 32 26.976 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 1921-293 J1924-2914 11 12 29 9.545 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 3C120 J0433+0521 9 9 43 26.431 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 3C273B J1229+0203 19 19 24 27.664 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 3C279 J1256-0547 19 19 52 48.504 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 3C345 J1642+3948 42 42 80 12.523 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 3C418 J2038+5119 12 14 51 34.853 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 3C454.3 J2253+1608 17 18 47 16.187 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 3C84 J0319+4130 27 27 78 17.692 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: 4C39.25 J0927+3902 26 28 74 23.956 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: NRAO150 J0359+5057 23 23 60 30.508 19840223_a cdp84b 1984.02.24-03:50:32.640 SRC_STAT: NRAO530 J1733-1304 11 12 35 57.376 19840223_a cdp84b 1984.02.24-03:50:32.640 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.24-03:50:00 1. FORT_ORD 7266 PCFC X Comp -2697026956.45 mm 133.555 mm 23.688 mm 24.888 mm 2. FORT_ORD 7266 PCFC Y Comp -4354393230.32 mm -168.320 mm 37.758 mm 39.672 mm 3. FORT_ORD 7266 PCFC Z Comp 3788077634.53 mm -332.465 mm 33.525 mm 35.224 mm FORT_ORD 7266 U Comp -140.18 mm -140.180 mm 55.137 mm 44.463 mm FORT_ORD 7266 E Comp 202.17 mm 202.171 mm 5.402 mm 4.356 mm FORT_ORD 7266 N Comp -310.13 mm -310.127 mm 6.432 mm 5.187 mm 4. FORT_ORD CL 0 1984.02.23-16:00:31.176 -2361.472 ns 0.300 ns 0.316 ns 5. FORT_ORD CL 1 1984.02.23-16:00:31.176 29.729 D-14 2.130 D-14 2.238 D-14 6. FORT_ORD CL 2 1984.02.23-16:00:31.176 -0.325 D-14/day 1.887 D-14/day 1.983 D-14/day 31. FORT_ORD AT 0 1984.02.23-16:00:31.176 95.399 ps 141.847 ps 149.038 ps FORT_ORD Atm 1984.02.24-04:01:03.360 Avg: 37.660 ps Rms: 30.469 ps Tot_Rms: 48.442 ps || Nat: 49 Dura: 85142.0 sec Tzd_avg: 8039.9 Tzd_rms: 59.6 Wzd_avg: 342.0 Wzd_rms: 58.6 ps Prs_avg: 101261. Pa Tem_avg: 9.0 C Stm_avg: -2.1 C Stm_rms: 2.5 K Spr_avg: -223. Spr_rms: 51. Pa 104. FORT_ORD NG 1984.02.23-15:59:31.176 0.026 mm 0.422 mm 0.444 mm 105. FORT_ORD EG 1984.02.23-15:59:31.176 -0.020 mm 0.422 mm 0.443 mm 106. FORT_ORD NG 1984.02.23-23:59:31.176 0.035 mm 0.377 mm 0.396 mm 107. FORT_ORD EG 1984.02.23-23:59:31.176 -0.037 mm 0.377 mm 0.396 mm 108. FORT_ORD NG 1984.02.24-07:59:31.176 0.004 mm 0.377 mm 0.396 mm 109. FORT_ORD EG 1984.02.24-07:59:31.176 -0.016 mm 0.377 mm 0.396 mm 110. FORT_ORD NG 1984.02.24-15:59:31.176 -0.028 mm 0.422 mm 0.444 mm 111. FORT_ORD EG 1984.02.24-15:59:31.176 0.018 mm 0.422 mm 0.443 mm 112. HATCREEK 7218 NOAM X Comp -2523970139.69 mm -35.692 mm 15.140 mm 15.907 mm 113. HATCREEK 7218 NOAM Y Comp -4123506130.57 mm 173.426 mm 28.370 mm 29.808 mm 114. HATCREEK 7218 NOAM Z Comp 4147752692.73 mm 155.733 mm 23.755 mm 24.960 mm HATCREEK 7218 U Comp 3.95 mm 3.954 mm 39.211 mm 31.620 mm HATCREEK 7218 E Comp -120.98 mm -120.981 mm 4.490 mm 3.621 mm HATCREEK 7218 N Comp 202.36 mm 202.364 mm 6.384 mm 5.148 mm 115. HATCREEK CL 0 1984.02.23-16:00:31.176 8791.008 ns 0.436 ns 0.458 ns 116. HATCREEK CL 1 1984.02.23-16:00:31.176 1936.389 D-14 2.622 D-14 2.755 D-14 117. HATCREEK CL 2 1984.02.23-16:00:31.176 -2.427 D-14/day 2.219 D-14/day 2.331 D-14/day 142. HATCREEK AT 0 1984.02.23-16:00:31.176 149.167 ps 94.727 ps 99.529 ps HATCREEK Atm 1984.02.24-04:01:03.360 Avg: 89.535 ps Rms: 36.544 ps Tot_Rms: 96.705 ps || Nat: 75 Dura: 78532.0 sec Tzd_avg: 7028.9 Tzd_rms: 30.5 Wzd_avg: 204.9 Wzd_rms: 26.0 ps Prs_avg: 89749. Pa Tem_avg: 8.4 C Stm_avg: 5.4 C Stm_rms: 1.7 K Spr_avg: -182. Spr_rms: 187. Pa 215. HATCREEK NG 1984.02.23-15:59:31.176 -0.003 mm 0.422 mm 0.444 mm 216. HATCREEK EG 1984.02.23-15:59:31.176 -0.026 mm 0.422 mm 0.444 mm 217. HATCREEK NG 1984.02.23-23:59:31.176 -0.013 mm 0.377 mm 0.396 mm 218. HATCREEK EG 1984.02.23-23:59:31.176 0.022 mm 0.376 mm 0.396 mm 219. HATCREEK NG 1984.02.24-07:59:31.176 -0.025 mm 0.377 mm 0.396 mm 220. HATCREEK EG 1984.02.24-07:59:31.176 0.055 mm 0.377 mm 0.396 mm 221. HATCREEK NG 1984.02.24-15:59:31.176 0.019 mm 0.422 mm 0.443 mm 222. HATCREEK EG 1984.02.24-15:59:31.176 0.030 mm 0.422 mm 0.443 mm 223. MOJAVE12 7222 NOAM X Comp -2356171230.19 mm -134.192 mm 13.318 mm 13.993 mm 224. MOJAVE12 7222 NOAM Y Comp -4646755670.30 mm 161.696 mm 26.251 mm 27.581 mm 225. MOJAVE12 7222 NOAM Z Comp 3668470740.39 mm 159.391 mm 21.542 mm 22.634 mm MOJAVE12 7222 U Comp 24.03 mm 24.033 mm 35.971 mm 29.007 mm MOJAVE12 7222 E Comp -192.81 mm -192.811 mm 4.144 mm 3.341 mm MOJAVE12 7222 N Comp 178.34 mm 178.339 mm 4.409 mm 3.555 mm 226. MOJAVE12 AT 0 1984.02.23-16:00:31.176 113.814 ps 123.138 ps 129.380 ps MOJAVE12 Atm 1984.02.24-04:01:03.360 Avg: 123.461 ps Rms: 45.585 ps Tot_Rms: 131.608 ps || Nat: 84 Dura: 85142.0 sec Tzd_avg: 7028.4 Tzd_rms: 38.0 Wzd_avg: 121.0 Wzd_rms: 47.6 ps Prs_avg: 91168. Pa Tem_avg: 7.5 C Stm_avg: -2.6 C Stm_rms: 4.9 K Spr_avg: 226. Spr_rms: 61. Pa 299. MOJAVE12 NG 1984.02.23-15:59:31.176 -0.025 mm 0.422 mm 0.443 mm 300. MOJAVE12 EG 1984.02.23-15:59:31.176 0.051 mm 0.422 mm 0.443 mm 301. MOJAVE12 NG 1984.02.23-23:59:31.176 -0.013 mm 0.377 mm 0.396 mm 302. MOJAVE12 EG 1984.02.23-23:59:31.176 0.021 mm 0.376 mm 0.396 mm 303. MOJAVE12 NG 1984.02.24-07:59:31.176 0.032 mm 0.377 mm 0.396 mm 304. MOJAVE12 EG 1984.02.24-07:59:31.176 -0.016 mm 0.376 mm 0.395 mm 305. MOJAVE12 NG 1984.02.24-15:59:31.176 -0.007 mm 0.422 mm 0.443 mm 306. MOJAVE12 EG 1984.02.24-15:59:31.176 -0.038 mm 0.422 mm 0.443 mm 307. OVRO_130 7207 NOAM X Comp -2409601040.38 mm -153.378 mm 27.310 mm 28.695 mm 308. OVRO_130 7207 NOAM Y Comp -4478349483.26 mm -19.263 mm 49.807 mm 52.332 mm 309. OVRO_130 7207 NOAM Z Comp 3838603495.95 mm 307.947 mm 49.001 mm 51.485 mm OVRO_130 7207 U Comp 257.69 mm 257.688 mm 74.105 mm 59.758 mm OVRO_130 7207 E Comp -125.94 mm -125.940 mm 6.283 mm 5.066 mm OVRO_130 7207 N Comp 190.95 mm 190.953 mm 9.834 mm 7.930 mm 310. OVRO_130 CL 0 1984.02.23-16:00:31.176 -3599.314 ns 0.425 ns 0.447 ns 311. OVRO_130 CL 1 1984.02.23-16:00:31.176 -18.745 D-14 2.281 D-14 2.396 D-14 312. OVRO_130 CL 2 1984.02.23-16:00:31.176 0.664 D-14/day 2.010 D-14/day 2.111 D-14/day 337. OVRO_130 AT 0 1984.02.23-16:00:31.176 -156.951 ps 158.798 ps 166.848 ps OVRO_130 Atm 1984.02.24-04:01:03.360 Avg: -191.693 ps Rms: 23.579 ps Tot_Rms: 193.138 ps || Nat: 80 Dura: 82620.0 sec Tzd_avg: 6835.1 Tzd_rms: 32.3 Wzd_avg: 173.5 Wzd_rms: 32.7 ps Prs_avg: 87670. Pa Tem_avg: 7.2 C Stm_avg: -1.5 C Stm_rms: 3.0 K Spr_avg: -79. Spr_rms: 92. Pa 410. OVRO_130 NG 1984.02.23-15:59:31.176 -0.021 mm 0.422 mm 0.444 mm 411. OVRO_130 EG 1984.02.23-15:59:31.176 0.014 mm 0.422 mm 0.444 mm 412. OVRO_130 NG 1984.02.23-23:59:31.176 -0.009 mm 0.377 mm 0.396 mm 413. OVRO_130 EG 1984.02.23-23:59:31.176 0.002 mm 0.377 mm 0.396 mm 414. OVRO_130 NG 1984.02.24-07:59:31.176 0.015 mm 0.377 mm 0.396 mm 415. OVRO_130 EG 1984.02.24-07:59:31.176 -0.014 mm 0.377 mm 0.396 mm 416. OVRO_130 NG 1984.02.24-15:59:31.176 0.008 mm 0.422 mm 0.444 mm 417. OVRO_130 EG 1984.02.24-15:59:31.176 -0.013 mm 0.422 mm 0.444 mm 418. VNDNBERG 7223 PCFC X Comp -2678094857.29 mm 189.707 mm 28.031 mm 29.452 mm 419. VNDNBERG 7223 PCFC Y Comp -4525450647.54 mm -147.538 mm 48.743 mm 51.214 mm 420. VNDNBERG 7223 PCFC Z Comp 3597410125.39 mm -290.606 mm 38.776 mm 40.741 mm VNDNBERG 7223 U Comp -139.84 mm -139.836 mm 67.896 mm 54.751 mm VNDNBERG 7223 E Comp 238.40 mm 238.401 mm 4.596 mm 3.706 mm VNDNBERG 7223 N Comp -256.55 mm -256.552 mm 5.855 mm 4.722 mm 421. VNDNBERG CL 0 1984.02.23-16:00:31.176 28.704 ns 0.423 ns 0.444 ns 422. VNDNBERG CL 1 1984.02.23-16:00:31.176 -100.248 D-14 2.308 D-14 2.425 D-14 423. VNDNBERG CL 2 1984.02.23-16:00:31.176 -2.447 D-14/day 2.004 D-14/day 2.106 D-14/day 448. VNDNBERG AT 0 1984.02.23-16:00:31.176 173.736 ps 169.849 ps 178.458 ps VNDNBERG Atm 1984.02.24-04:01:03.360 Avg: 234.728 ps Rms: 46.132 ps Tot_Rms: 239.219 ps || Nat: 63 Dura: 81840.0 sec Tzd_avg: 7956.4 Tzd_rms: 59.3 Wzd_avg: 240.1 Wzd_rms: 57.9 ps Prs_avg: 101739. Pa Tem_avg: 15.9 C Stm_avg: 2.9 C Stm_rms: 2.7 K Spr_avg: 79. Spr_rms: 34. Pa 521. VNDNBERG NG 1984.02.23-15:59:31.176 0.022 mm 0.422 mm 0.444 mm 522. VNDNBERG EG 1984.02.23-15:59:31.176 -0.020 mm 0.422 mm 0.443 mm 523. VNDNBERG NG 1984.02.23-23:59:31.176 0.011 mm 0.377 mm 0.396 mm 524. VNDNBERG EG 1984.02.23-23:59:31.176 -0.001 mm 0.377 mm 0.396 mm 525. VNDNBERG NG 1984.02.24-07:59:31.176 -0.022 mm 0.377 mm 0.396 mm 526. VNDNBERG EG 1984.02.24-07:59:31.176 0.003 mm 0.377 mm 0.396 mm 527. VNDNBERG NG 1984.02.24-15:59:31.176 0.001 mm 0.422 mm 0.444 mm 528. VNDNBERG EG 1984.02.24-15:59:31.176 0.012 mm 0.422 mm 0.443 mm Atmosphere Constraint Statistics 1. FORT_ORD Input 50.00 ps/h RMS 11.12 ps/h NRMS 0.22 share 0.94 count 73 2. HATCREEK Input 50.00 ps/h RMS 17.38 ps/h NRMS 0.35 share 0.87 count 73 3. MOJAVE12 Input 50.00 ps/h RMS 17.84 ps/h NRMS 0.36 share 0.86 count 73 4. OVRO_130 Input 50.00 ps/h RMS 6.93 ps/h NRMS 0.14 share 0.97 count 73 6. VNDNBERG Input 50.00 ps/h RMS 10.97 ps/h NRMS 0.22 share 0.94 count 73 Overall RMS 13.51 ps/h NRMS 0.27 share 0.92 count 365 Gradient Constraint Statistics 1. FORT_ORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. HATCREEK Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. MOJAVE12 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 4. OVRO_130 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 6. VNDNBERG Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 1. FORT_ORD Input 5.00 D-14 RMS 2.46 D-14 NRMS 0.49 share 0.49 count 25 2. HATCREEK Input 5.00 D-14 RMS 2.65 D-14 NRMS 0.53 share 0.30 count 25 4. OVRO_130 Input 5.00 D-14 RMS 2.90 D-14 NRMS 0.58 share 0.54 count 25 6. VNDNBERG Input 5.00 D-14 RMS 2.08 D-14 NRMS 0.42 share 0.49 count 25 Overall RMS 2.54 D-14 NRMS 0.51 share 0.46 count 100 529. UT1-TAI 1, 1984.02.24-03:50:00.000 -2.9999 ms/d -1509.26 micros/d 934.93 micros/d 982.32 micros/d EOP epoch (TDT) MJD: 45754.160095 NUT epoch (TDT) MJD: 45754.186221 530. Nutation DPSI wrt apriori model 1984.02.24-03:50:00.456 -10.315 mas 5453.8 microasec 5730.3 microasec Nutation Dx wrt apriori model 1984.02.24-03:50:00.456 -4.113 mas 2158.0 microasec 2267.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.24-03:50:00.456 -7.669 mas 5453.8 microasec 5730.3 microasec 531. Nutation DEPS wrt apriori model 1984.02.24-03:50:00.456 2.779 mas 3270.8 microasec 3436.6 microasec Nutation Dy wrt apriori model 1984.02.24-03:50:00.456 2.764 mas 3278.5 microasec 3444.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.24-03:50:00.456 5.445 mas 3270.8 microasec 3436.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2817 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) FORT_ORD 7266 to HATCREEK 7218 461111333.78 8.29 461111333.78 8.29 -351.74 6.37 -146.69 65.82 FORT_ORD 7266 to MOJAVE12 7222 464719519.24 9.22 464719519.24 9.22 -338.49 6.98 -162.54 67.10 FORT_ORD 7266 to VNDNBERG 7223 256852415.61 10.22 256852415.61 10.22 -59.03 7.76 13.80 101.72 HATCREEK 7218 to MOJAVE12 7222 729148643.76 9.33 729148643.76 9.33 85.18 4.13 -48.16 46.97 HATCREEK 7218 to OVRO_130 7207 484321506.54 11.18 484321506.54 11.18 18.22 10.58 -271.21 96.11 HATCREEK 7218 to VNDNBERG 7223 698706493.97 10.60 698706493.97 10.60 -308.06 5.93 146.55 89.17 MOJAVE12 7222 to OVRO_130 7207 245276462.31 11.65 245276462.31 11.65 67.76 10.02 -224.28 92.79 MOJAVE12 7222 to VNDNBERG 7223 351282423.75 7.36 351282423.75 7.36 -528.10 5.36 162.60 84.33 OVRO_130 7207 to VNDNBERG 7223 363980344.79 14.75 363980344.79 14.75 -556.98 8.79 395.67 116.45 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:47 Correlator type: Unknown Experiment code: ia162 Mark-3 db_name: $84FEB23XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840223_b Ver 2 ia162 Matrix Condition Number = 3.238829781533763E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.4 5.4 837.8 2.0 9.3 0.2 ONSALA60 MET -1.2 0.9 1033.9 1.4 82.9 17.6 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 7.9 3.4 992.5 5.0 15.8 29.8 WETTZELL MET -0.9 1.2 948.5 1.4 95.7 2.4 Run 26091-1743 571 Observation Pairs Available Session started on: 2445754.251200 1984.02.23 18:01:43.680 UTC Nominal duration: 87600.960 sec 01 00:20:00.960 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 310 40.831 ps 0.79 0.9690 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 317 Number of potentially good observations with QC 5-9: 317 Number of used observations: 310 ( 97.79%) Number of suppressed observations: 7 ( 2.21%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 31 33 49.066 0.77 19840223_b ia162 1984.02.24-06:11:44.1 BAS_STAT HRAS_085 WESTFORD 73 73 33.124 0.71 19840223_b ia162 1984.02.24-06:11:44.1 BAS_STAT HRAS_085 WETTZELL 26 27 86.209 0.88 19840223_b ia162 1984.02.24-06:11:44.1 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 62 63 93.095 0.89 19840223_b ia162 1984.02.24-06:11:44.1 BAS_STAT ONSALA60 WETTZELL 54 56 20.245 0.67 19840223_b ia162 1984.02.24-06:11:44.1 BAS_STAT WESTFORD WETTZELL 64 65 73.233 0.84 19840223_b ia162 1984.02.24-06:11:44.1 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19840223_b ia162 ONSALA85 WESTFORD 0/ 0 deselected baseline 19840223_b ia162 ONSALA85 WETTZELL 0/ 0 deselected baseline 19840223_b ia162 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 10 16 56.779 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 0212+735 J0217+7349 49 51 94 75.122 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 0234+285 J0237+2848 18 18 26 37.153 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 0528+134 J0530+1331 13 13 20 24.946 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 0552+398 J0555+3948 29 29 48 32.524 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 1803+784 J1800+7828 40 40 77 61.237 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 2216-038 J2218-0335 5 6 15 34.729 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 3C273B J1229+0203 14 14 20 20.548 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 3C345 J1642+3948 28 28 52 25.299 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 3C454.3 J2253+1608 18 21 36 33.290 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: 4C39.25 J0927+3902 26 27 46 35.394 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: OJ287 J0854+2006 29 29 45 31.311 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: OQ208 J1407+2827 18 18 36 86.960 19840223_b ia162 1984.02.24-06:11:44.160 SRC_STAT: VR422201 J2202+4216 13 13 40 62.737 19840223_b ia162 1984.02.24-06:11:44.160 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.24-06:11:11 1. HRAS_085 7216 NOAM X Comp -1324211172.04 mm -155.040 mm 14.979 mm 14.746 mm 2. HRAS_085 7216 NOAM Y Comp -5332022871.84 mm 210.158 mm 37.119 mm 36.540 mm 3. HRAS_085 7216 NOAM Z Comp 3232118471.66 mm 164.662 mm 27.482 mm 27.053 mm HRAS_085 7216 U Comp -59.43 mm -59.429 mm 44.881 mm 35.559 mm HRAS_085 7216 E Comp -201.12 mm -201.123 mm 11.397 mm 9.030 mm HRAS_085 7216 N Comp 226.57 mm 226.572 mm 14.603 mm 11.570 mm 4. HRAS_085 CL 0 1984.02.23-18:01:11.496 11543.383 ns 0.312 ns 0.307 ns 5. HRAS_085 CL 1 1984.02.23-18:01:11.496 22.005 D-14 2.120 D-14 2.087 D-14 6. HRAS_085 CL 2 1984.02.23-18:01:11.496 3.731 D-14/day 1.838 D-14/day 1.809 D-14/day 32. HRAS_085 AT 0 1984.02.23-18:01:11.496 86.112 ps 101.187 ps 99.609 ps HRAS_085 Atm 1984.02.24-06:31:43.680 Avg: 46.679 ps Rms: 40.853 ps Tot_Rms: 62.031 ps || Nat: 83 Dura: 86760.0 sec Tzd_avg: 6429.9 Tzd_rms: 7.8 Wzd_avg: 65.7 Wzd_rms: 12.0 ps Prs_avg: 83776. Pa Tem_avg: 6.2 C Stm_avg: -4.3 C Stm_rms: 3.5 K Spr_avg: 55. Spr_rms: 93. Pa 108. HRAS_085 NG 1984.02.23-18:00:11.496 -0.042 mm 0.422 mm 0.415 mm 109. HRAS_085 EG 1984.02.23-18:00:11.496 0.042 mm 0.422 mm 0.415 mm 110. HRAS_085 NG 1984.02.24-02:00:11.496 -0.056 mm 0.377 mm 0.371 mm 111. HRAS_085 EG 1984.02.24-02:00:11.496 0.019 mm 0.377 mm 0.371 mm 112. HRAS_085 NG 1984.02.24-10:00:11.496 -0.009 mm 0.377 mm 0.371 mm 113. HRAS_085 EG 1984.02.24-10:00:11.496 -0.036 mm 0.377 mm 0.371 mm 114. HRAS_085 NG 1984.02.24-18:00:11.496 0.052 mm 0.422 mm 0.416 mm 115. HRAS_085 EG 1984.02.24-18:00:11.496 -0.020 mm 0.422 mm 0.415 mm 116. ONSALA60 7213 EURA X Comp 3370606066.07 mm 77.067 mm 14.141 mm 13.920 mm 117. ONSALA60 7213 EURA Y Comp 711917383.30 mm -145.698 mm 14.467 mm 14.242 mm 118. ONSALA60 7213 EURA Z Comp 5349830647.87 mm -118.133 mm 22.292 mm 21.944 mm ONSALA60 7213 U Comp -75.11 mm -75.111 mm 24.570 mm 19.467 mm ONSALA60 7213 E Comp -158.48 mm -158.479 mm 14.052 mm 11.133 mm ONSALA60 7213 N Comp -101.81 mm -101.811 mm 10.249 mm 8.120 mm 119. ONSALA60 CL 0 1984.02.23-18:01:11.496 6373.310 ns 0.194 ns 0.190 ns 120. ONSALA60 CL 1 1984.02.23-18:01:11.496 -41.682 D-14 2.117 D-14 2.084 D-14 121. ONSALA60 CL 2 1984.02.23-18:01:11.496 3.194 D-14/day 1.851 D-14/day 1.823 D-14/day 147. ONSALA60 AT 0 1984.02.23-18:01:11.496 -6.821 ps 60.868 ps 59.919 ps ONSALA60 Atm 1984.02.24-06:31:43.680 Avg: 1.556 ps Rms: 12.418 ps Tot_Rms: 12.515 ps || Nat: 84 Dura: 86160.0 sec Tzd_avg: 7976.7 Tzd_rms: 10.3 Wzd_avg: 158.5 Wzd_rms: 3.2 ps Prs_avg: 103392. Pa Tem_avg: -1.2 C Stm_avg: 0.1 C Stm_rms: 0.9 K Spr_avg: 213. Spr_rms: 35. Pa 223. ONSALA60 NG 1984.02.23-18:00:11.496 -0.012 mm 0.422 mm 0.415 mm 224. ONSALA60 EG 1984.02.23-18:00:11.496 -0.008 mm 0.422 mm 0.415 mm 225. ONSALA60 NG 1984.02.24-02:00:11.496 -0.006 mm 0.376 mm 0.370 mm 226. ONSALA60 EG 1984.02.24-02:00:11.496 0.009 mm 0.377 mm 0.371 mm 227. ONSALA60 NG 1984.02.24-10:00:11.496 0.016 mm 0.377 mm 0.371 mm 228. ONSALA60 EG 1984.02.24-10:00:11.496 0.004 mm 0.377 mm 0.371 mm 229. ONSALA60 NG 1984.02.24-18:00:11.496 0.023 mm 0.421 mm 0.415 mm 230. ONSALA60 EG 1984.02.24-18:00:11.496 -0.006 mm 0.422 mm 0.415 mm 231. WESTFORD 7209 NOAM X Comp 1492206491.40 mm -51.600 mm 12.029 mm 11.841 mm 232. WESTFORD 7209 NOAM Y Comp -4458130373.26 mm 148.739 mm 15.338 mm 15.099 mm 233. WESTFORD 7209 NOAM Z Comp 4296015600.33 mm 53.333 mm 19.659 mm 19.352 mm WESTFORD 7209 U Comp -79.75 mm -79.747 mm 23.156 mm 18.346 mm WESTFORD 7209 E Comp -1.72 mm -1.721 mm 12.235 mm 9.693 mm WESTFORD 7209 N Comp 145.83 mm 145.834 mm 8.974 mm 7.110 mm 234. WESTFORD AT 0 1984.02.23-18:01:11.496 -14.837 ps 28.837 ps 28.387 ps WESTFORD Atm 1984.02.24-06:31:43.680 Avg: 4.355 ps Rms: 37.090 ps Tot_Rms: 37.345 ps || Nat: 132 Dura: 87600.0 sec Tzd_avg: 7853.8 Tzd_rms: 85.1 Wzd_avg: 343.6 Wzd_rms: 127.4 ps Prs_avg: 99254. Pa Tem_avg: 8.0 C Stm_avg: 2.5 C Stm_rms: 2.6 K Spr_avg: 194. Spr_rms: 61. Pa 310. WESTFORD NG 1984.02.23-18:00:11.496 0.085 mm 0.421 mm 0.415 mm 311. WESTFORD EG 1984.02.23-18:00:11.496 -0.064 mm 0.420 mm 0.414 mm 312. WESTFORD NG 1984.02.24-02:00:11.496 0.052 mm 0.377 mm 0.371 mm 313. WESTFORD EG 1984.02.24-02:00:11.496 0.004 mm 0.376 mm 0.370 mm 314. WESTFORD NG 1984.02.24-10:00:11.496 -0.042 mm 0.377 mm 0.371 mm 315. WESTFORD EG 1984.02.24-10:00:11.496 0.052 mm 0.376 mm 0.371 mm 316. WESTFORD NG 1984.02.24-18:00:11.496 -0.085 mm 0.422 mm 0.415 mm 317. WESTFORD EG 1984.02.24-18:00:11.496 0.005 mm 0.422 mm 0.415 mm 318. WETTZELL 7224 EURA X Comp 4075539970.57 mm 129.573 mm 15.399 mm 15.159 mm 319. WETTZELL 7224 EURA Y Comp 931735100.80 mm -213.198 mm 14.608 mm 14.380 mm 320. WETTZELL 7224 EURA Z Comp 4801629293.14 mm -99.861 mm 20.657 mm 20.335 mm WETTZELL 7224 U Comp -23.99 mm -23.986 mm 23.573 mm 18.676 mm WETTZELL 7224 E Comp -236.71 mm -236.714 mm 13.920 mm 11.029 mm WETTZELL 7224 N Comp -124.92 mm -124.925 mm 11.304 mm 8.956 mm 321. WETTZELL CL 0 1984.02.23-18:01:11.496 11344.311 ns 0.182 ns 0.179 ns 322. WETTZELL CL 1 1984.02.23-18:01:11.496 -330.520 D-14 2.090 D-14 2.057 D-14 323. WETTZELL CL 2 1984.02.23-18:01:11.496 0.899 D-14/day 1.801 D-14/day 1.773 D-14/day 349. WETTZELL AT 0 1984.02.23-18:01:11.496 10.347 ps 52.315 ps 51.499 ps WETTZELL Atm 1984.02.24-06:31:43.680 Avg: 18.998 ps Rms: 24.994 ps Tot_Rms: 31.395 ps || Nat: 81 Dura: 87000.0 sec Tzd_avg: 7354.2 Tzd_rms: 8.1 Wzd_avg: 194.1 Wzd_rms: 15.7 ps Prs_avg: 94861. Pa Tem_avg: -0.9 C Stm_avg: 1.3 C Stm_rms: 0.9 K Spr_avg: 432. Spr_rms: 36. Pa 425. WETTZELL NG 1984.02.23-18:00:11.496 -0.027 mm 0.422 mm 0.415 mm 426. WETTZELL EG 1984.02.23-18:00:11.496 -0.003 mm 0.422 mm 0.415 mm 427. WETTZELL NG 1984.02.24-02:00:11.496 -0.002 mm 0.376 mm 0.371 mm 428. WETTZELL EG 1984.02.24-02:00:11.496 -0.011 mm 0.377 mm 0.371 mm 429. WETTZELL NG 1984.02.24-10:00:11.496 0.006 mm 0.377 mm 0.371 mm 430. WETTZELL EG 1984.02.24-10:00:11.496 0.008 mm 0.377 mm 0.371 mm 431. WETTZELL NG 1984.02.24-18:00:11.496 0.003 mm 0.422 mm 0.415 mm 432. WETTZELL EG 1984.02.24-18:00:11.496 0.016 mm 0.422 mm 0.415 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.01 ps/h NRMS 0.26 share 0.92 count 76 2. ONSALA60 Input 50.00 ps/h RMS 11.89 ps/h NRMS 0.24 share 0.86 count 76 4. WESTFORD Input 50.00 ps/h RMS 19.91 ps/h NRMS 0.40 share 0.81 count 76 5. WETTZELL Input 50.00 ps/h RMS 13.45 ps/h NRMS 0.27 share 0.88 count 76 Overall RMS 14.90 ps/h NRMS 0.30 share 0.87 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 5. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.11 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.29 D-14 NRMS 0.46 share 0.31 count 26 2. ONSALA60 Input 5.00 D-14 RMS 2.56 D-14 NRMS 0.51 share 0.36 count 26 5. WETTZELL Input 5.00 D-14 RMS 2.46 D-14 NRMS 0.49 share 0.36 count 26 Overall RMS 2.44 D-14 NRMS 0.49 share 0.34 count 78 433. UT1-TAI 1, 1984.02.24-06:11:00.000 -1.3875 ms/d 82.67 micros/d 58.60 micros/d 57.68 micros/d EOP epoch (TDT) MJD: 45754.258011 NUT epoch (TDT) MJD: 45754.214632 434. Nutation DPSI wrt apriori model 1984.02.24-06:11:11.976 0.249 mas 1314.0 microasec 1293.5 microasec Nutation Dx wrt apriori model 1984.02.24-06:11:11.976 0.098 mas 521.5 microasec 513.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.24-06:11:11.976 2.881 mas 1314.0 microasec 1293.5 microasec 435. Nutation DEPS wrt apriori model 1984.02.24-06:11:11.976 0.181 mas 336.4 microasec 331.1 microasec Nutation Dy wrt apriori model 1984.02.24-06:11:11.976 0.181 mas 338.2 microasec 333.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.24-06:11:11.976 2.826 mas 336.4 microasec 331.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0631 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732180.86 43.39 7940732180.86 43.39 464.55 8.52 31.29 58.45 HRAS_085 7216 to WESTFORD 7209 3134928014.23 16.59 3134928014.23 16.59 158.45 5.63 17.69 57.79 HRAS_085 7216 to WETTZELL 7224 8417561437.90 45.55 8417561437.90 45.55 542.42 7.84 -54.24 56.41 ONSALA60 7213 to WESTFORD 7209 5600741461.78 16.76 5600741461.78 16.76 254.04 7.12 6.26 43.16 ONSALA60 7213 to WETTZELL 7224 919661004.92 4.88 919661004.92 4.88 78.30 6.27 -36.61 30.04 WESTFORD 7209 to WETTZELL 7224 5998325341.25 17.96 5998325341.25 17.96 336.68 6.76 -79.25 42.00 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:50 Correlator type: Unknown Experiment code: xat841 Mark-3 db_name: $84FEB24X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840224_a Ver 2 xat841 Matrix Condition Number = 1.605729917551205E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 7.2 2.1 987.5 2.6 95.2 10.1 ONSALA60 MET -1.7 0.5 1036.0 0.7 57.2 14.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1743 484 Observation Pairs Available Session started on: 2445755.292500 1984.02.24 19:01:12.000 UTC Nominal duration: 129133.440 sec 01 11:52:13.440 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 223 46.398 ps 0.80 0.9564 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 228 Number of potentially good observations with QC 5-9: 228 Number of used observations: 223 ( 97.81%) Number of suppressed observations: 5 ( 2.19%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 223 228 46.398 0.80 19840224_a xat841 1984.02.25-12:57:18.7 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19840224_a xat841 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 5 22 15.778 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 0212+735 J0217+7349 32 32 67 62.250 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 0528+134 J0530+1331 16 16 32 63.722 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 0552+398 J0555+3948 33 33 66 37.552 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 2134+00 J2136+0041 8 8 18 16.542 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 3C273B J1229+0203 13 13 26 34.034 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 3C345 J1642+3948 19 23 48 41.141 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 3C454.3 J2253+1608 13 13 28 66.467 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: 4C39.25 J0927+3902 26 27 54 59.273 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: OJ287 J0854+2006 19 19 38 31.288 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: OQ208 J1407+2827 17 17 34 59.637 19840224_a xat841 1984.02.25-12:57:18.720 SRC_STAT: VR422201 J2202+4216 22 22 51 67.278 19840224_a xat841 1984.02.25-12:57:18.720 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.25-12:56:46 1. HAYSTACK 7205 NOAM X Comp 1492404626.75 mm -69.254 mm 6.137 mm 6.002 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266377.69 mm 157.311 mm 7.196 mm 7.038 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881843.56 mm 49.558 mm 10.734 mm 10.498 mm HAYSTACK 7205 U Comp -92.38 mm -92.383 mm 12.579 mm 10.016 mm HAYSTACK 7205 E Comp -15.72 mm -15.725 mm 4.993 mm 3.976 mm HAYSTACK 7205 N Comp 152.37 mm 152.371 mm 4.637 mm 3.692 mm 4. HAYSTACK AT 0 1984.02.24-19:00:39.816 18.617 ps 40.994 ps 40.092 ps HAYSTACK Atm 1984.02.25-13:01:12.000 Avg: -0.407 ps Rms: 27.311 ps Tot_Rms: 27.314 ps || Nat: 243 Dura: 129130.0 sec Tzd_avg: 7716.3 Tzd_rms: 44.5 Wzd_avg: 271.9 Wzd_rms: 62.2 ps Prs_avg: 98747. Pa Tem_avg: 7.2 C Stm_avg: 0.8 C Stm_rms: 1.5 K Spr_avg: 585. Spr_rms: 53. Pa 113. HAYSTACK NG 1984.02.24-18:59:39.816 -0.010 mm 0.422 mm 0.413 mm 114. HAYSTACK EG 1984.02.24-18:59:39.816 -0.013 mm 0.422 mm 0.413 mm 115. HAYSTACK NG 1984.02.25-02:59:39.816 0.014 mm 0.376 mm 0.368 mm 116. HAYSTACK EG 1984.02.25-02:59:39.816 -0.020 mm 0.376 mm 0.368 mm 117. HAYSTACK NG 1984.02.25-10:59:39.816 0.011 mm 0.373 mm 0.365 mm 118. HAYSTACK EG 1984.02.25-10:59:39.816 -0.004 mm 0.373 mm 0.365 mm 119. HAYSTACK NG 1984.02.25-18:59:39.816 -0.003 mm 0.377 mm 0.368 mm 120. HAYSTACK EG 1984.02.25-18:59:39.816 -0.009 mm 0.377 mm 0.368 mm 121. HAYSTACK NG 1984.02.26-02:59:39.816 -0.017 mm 0.422 mm 0.413 mm 122. HAYSTACK EG 1984.02.26-02:59:39.816 0.008 mm 0.422 mm 0.413 mm 123. ONSALA60 7213 EURA X Comp 3370606058.25 mm 69.254 mm 6.137 mm 6.002 mm 124. ONSALA60 7213 EURA Y Comp 711917371.69 mm -157.311 mm 7.196 mm 7.038 mm 125. ONSALA60 7213 EURA Z Comp 5349830716.44 mm -49.558 mm 10.734 mm 10.498 mm ONSALA60 7213 U Comp -22.75 mm -22.755 mm 11.563 mm 9.207 mm ONSALA60 7213 E Comp -168.23 mm -168.227 mm 7.790 mm 6.203 mm ONSALA60 7213 N Comp -56.40 mm -56.399 mm 3.206 mm 2.552 mm 126. ONSALA60 CL 0 1984.02.24-19:00:39.816 -1425.591 ns 0.152 ns 0.149 ns 127. ONSALA60 CL 1 1984.02.24-19:00:39.816 -39.390 D-14 1.711 D-14 1.674 D-14 128. ONSALA60 CL 2 1984.02.24-19:00:39.816 -0.878 D-14/day 0.992 D-14/day 0.970 D-14/day 165. ONSALA60 AT 0 1984.02.24-19:00:39.816 -1.248 ps 20.536 ps 20.084 ps ONSALA60 Atm 1984.02.25-13:01:12.000 Avg: 1.841 ps Rms: 21.468 ps Tot_Rms: 21.547 ps || Nat: 241 Dura: 129130.0 sec Tzd_avg: 7972.2 Tzd_rms: 14.3 Wzd_avg: 141.4 Wzd_rms: 20.9 ps Prs_avg: 103599. Pa Tem_avg: -1.7 C Stm_avg: 0.1 C Stm_rms: 0.6 K Spr_avg: 261. Spr_rms: 75. Pa 274. ONSALA60 NG 1984.02.24-18:59:39.816 -0.009 mm 0.422 mm 0.413 mm 275. ONSALA60 EG 1984.02.24-18:59:39.816 -0.009 mm 0.422 mm 0.413 mm 276. ONSALA60 NG 1984.02.25-02:59:39.816 -0.037 mm 0.376 mm 0.368 mm 277. ONSALA60 EG 1984.02.25-02:59:39.816 -0.032 mm 0.376 mm 0.368 mm 278. ONSALA60 NG 1984.02.25-10:59:39.816 -0.026 mm 0.372 mm 0.364 mm 279. ONSALA60 EG 1984.02.25-10:59:39.816 -0.017 mm 0.373 mm 0.364 mm 280. ONSALA60 NG 1984.02.25-18:59:39.816 -0.047 mm 0.376 mm 0.368 mm 281. ONSALA60 EG 1984.02.25-18:59:39.816 -0.036 mm 0.376 mm 0.368 mm 282. ONSALA60 NG 1984.02.26-02:59:39.816 -0.009 mm 0.422 mm 0.412 mm 283. ONSALA60 EG 1984.02.26-02:59:39.816 -0.008 mm 0.422 mm 0.413 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 16.38 ps/h NRMS 0.33 share 0.87 count 109 2. ONSALA60 Input 50.00 ps/h RMS 16.33 ps/h NRMS 0.33 share 0.77 count 109 Overall RMS 16.35 ps/h NRMS 0.33 share 0.82 count 218 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.52 count 10 2. ONSALA60 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.52 count 10 Overall RMS 0.06 mm/d NRMS 0.03 share 0.52 count 20 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 1.72 D-14 NRMS 0.34 share 0.25 count 37 Overall RMS 1.72 D-14 NRMS 0.34 share 0.25 count 37 284. UT1-TAI 1, 1984.02.25-12:57:00.000 -1.1755 ms/d 95.88 micros/d 29.97 micros/d 29.31 micros/d EOP epoch (TDT) MJD: 45755.539956 NUT epoch (TDT) MJD: 45755.451120 285. Nutation DPSI wrt apriori model 1984.02.25-12:56:46.536 -0.517 mas 925.4 microasec 905.1 microasec Nutation Dx wrt apriori model 1984.02.25-12:56:46.536 -0.206 mas 367.2 microasec 359.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.25-12:56:46.536 1.978 mas 925.4 microasec 905.1 microasec 286. Nutation DEPS wrt apriori model 1984.02.25-12:56:46.536 0.115 mas 276.8 microasec 270.7 microasec Nutation Dy wrt apriori model 1984.02.25-12:56:46.536 0.115 mas 278.1 microasec 272.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.25-12:56:46.536 2.564 mas 276.8 microasec 270.7 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0456 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714508.89 10.33 5599714508.89 10.33 230.08 3.82 -78.06 26.41 NNT_POS: 3 stations participated in NNT_POS constraints: HATCREEK KASHIMA MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:53 Correlator type: Unknown Experiment code: pac842 Mark-3 db_name: $84FEB24XW Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840224_b Ver 2 pac842 Matrix Condition Number = 7.749555210891240E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | KASHIMA : GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for KASHIMA is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET -999.0 0.0 -999.0 0.0-99900.0 0.0 KASHIMA MET 2.8 1.0 1020.2 1.1 57.7 1.0 MOJAVE12 MET 9.9 4.7 907.4 1.4 44.0 0.7 Run 26091-1743 355 Observation Pairs Available Session started on: 2445755.252500 1984.02.24 18:03:36.000 UTC Nominal duration: 86002.560 sec 00 23:53:22.560 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 335 31.472 ps 0.80 0.9532 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 337 Number of potentially good observations with QC 5-9: 337 Number of used observations: 335 ( 99.41%) Number of suppressed observations: 2 ( 0.59%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK KASHIMA 107 109 42.844 0.82 19840224_b pac842 1984.02.25-06:00:17.2 BAS_STAT HATCREEK MOJAVE12 104 104 19.187 0.73 19840224_b pac842 1984.02.25-06:00:17.2 BAS_STAT KASHIMA MOJAVE12 124 124 56.345 0.84 19840224_b pac842 1984.02.25-06:00:17.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 22 22 22 25.704 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 0212+735 J0217+7349 42 42 48 39.201 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 0528+134 J0530+1331 27 27 30 35.123 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 0552+398 J0555+3948 29 29 29 23.659 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 1741-038 J1743-0350 24 24 24 20.444 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 2134+00 J2136+0041 18 18 18 37.287 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 3C273B J1229+0203 15 15 17 15.302 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 3C345 J1642+3948 25 26 27 21.402 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 3C454.3 J2253+1608 23 23 24 44.633 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: 4C39.25 J0927+3902 30 30 30 33.142 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: OJ287 J0854+2006 28 28 30 32.370 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: OQ208 J1407+2827 28 28 29 35.775 19840224_b pac842 1984.02.25-06:00:17.280 SRC_STAT: VR422201 J2202+4216 24 25 27 35.508 19840224_b pac842 1984.02.25-06:00:17.280 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.25-05:59:45 1. HATCREEK 7218 NOAM X Comp -2523970044.53 mm 59.469 mm 8.959 mm 8.746 mm 2. HATCREEK 7218 NOAM Y Comp -4123506300.63 mm 3.369 mm 7.489 mm 7.312 mm 3. HATCREEK 7218 NOAM Z Comp 4147752514.59 mm -22.406 mm 9.159 mm 8.942 mm HATCREEK 7218 U Comp -40.32 mm -40.316 mm 12.645 mm 10.155 mm HATCREEK 7218 E Comp 48.96 mm 48.963 mm 6.843 mm 5.495 mm HATCREEK 7218 N Comp 5.21 mm 5.215 mm 3.677 mm 2.952 mm 4. HATCREEK CL 0 1984.02.24-18:03:03.816 8404.064 ns 0.101 ns 0.098 ns 5. HATCREEK CL 1 1984.02.24-18:03:03.816 1931.691 D-14 2.065 D-14 2.017 D-14 6. HATCREEK CL 2 1984.02.24-18:03:03.816 -0.796 D-14/day 1.795 D-14/day 1.752 D-14/day 31. HATCREEK AT 0 1984.02.24-18:03:03.816 12.104 ps 42.598 ps 41.589 ps HATCREEK Atm 1984.02.25-06:03:36.000 Avg: 14.135 ps Rms: 30.073 ps Tot_Rms: 33.230 ps || Nat: 115 Dura: 86008.0 sec Tzd_avg: 6998.7 Tzd_rms: 18.2 Wzd_avg: 177.0 Wzd_rms: 30.0 ps Prs_avg: 89749. Pa Tem_avg: 8.4 C Stm_avg: 7.6 C Stm_rms: 0.9 K Spr_avg: -141. Spr_rms: 229. Pa 104. HATCREEK NG 1984.02.24-18:02:03.816 0.048 mm 0.421 mm 0.411 mm 105. HATCREEK EG 1984.02.24-18:02:03.816 0.031 mm 0.422 mm 0.412 mm 106. HATCREEK NG 1984.02.25-02:02:03.816 -0.033 mm 0.376 mm 0.367 mm 107. HATCREEK EG 1984.02.25-02:02:03.816 0.002 mm 0.376 mm 0.368 mm 108. HATCREEK NG 1984.02.25-10:02:03.816 -0.021 mm 0.376 mm 0.367 mm 109. HATCREEK EG 1984.02.25-10:02:03.816 0.011 mm 0.376 mm 0.368 mm 110. HATCREEK NG 1984.02.25-18:02:03.816 -0.026 mm 0.422 mm 0.412 mm 111. HATCREEK EG 1984.02.25-18:02:03.816 0.003 mm 0.422 mm 0.412 mm 112. KASHIMA 1856 NOAM X Comp -3997892290.46 mm -14.463 mm 10.894 mm 10.636 mm 113. KASHIMA 1856 NOAM Y Comp 3276581303.40 mm 1.401 mm 10.171 mm 9.930 mm 114. KASHIMA 1856 NOAM Z Comp 3724118267.61 mm 63.606 mm 11.527 mm 11.254 mm KASHIMA 1856 U Comp 47.12 mm 47.119 mm 13.612 mm 10.931 mm KASHIMA 1856 E Comp 8.08 mm 8.085 mm 10.698 mm 8.591 mm KASHIMA 1856 N Comp 44.40 mm 44.399 mm 7.433 mm 5.969 mm 115. KASHIMA CL 0 1984.02.24-18:03:03.816 2216.487 ns 0.150 ns 0.146 ns 116. KASHIMA CL 1 1984.02.24-18:03:03.816 36.486 D-14 2.097 D-14 2.047 D-14 117. KASHIMA CL 2 1984.02.24-18:03:03.816 1.612 D-14/day 1.831 D-14/day 1.787 D-14/day 142. KASHIMA AT 0 1984.02.24-18:03:03.816 -30.461 ps 28.893 ps 28.208 ps KASHIMA Atm 1984.02.25-06:03:36.000 Avg: -2.961 ps Rms: 23.836 ps Tot_Rms: 24.019 ps || Nat: 133 Dura: 86008.0 sec Tzd_avg: 7876.8 Tzd_rms: 22.2 Wzd_avg: 142.8 Wzd_rms: 17.5 ps Prs_avg: 102022. Pa Tem_avg: 2.8 C Stm_avg: -1.7 C Stm_rms: 0.8 K Spr_avg: 162. Spr_rms: 51. Pa 215. KASHIMA NG 1984.02.24-18:02:03.816 -0.026 mm 0.422 mm 0.412 mm 216. KASHIMA EG 1984.02.24-18:02:03.816 0.020 mm 0.422 mm 0.412 mm 217. KASHIMA NG 1984.02.25-02:02:03.816 -0.018 mm 0.377 mm 0.368 mm 218. KASHIMA EG 1984.02.25-02:02:03.816 0.006 mm 0.377 mm 0.368 mm 219. KASHIMA NG 1984.02.25-10:02:03.816 -0.004 mm 0.377 mm 0.368 mm 220. KASHIMA EG 1984.02.25-10:02:03.816 -0.003 mm 0.377 mm 0.368 mm 221. KASHIMA NG 1984.02.25-18:02:03.816 -0.019 mm 0.422 mm 0.412 mm 222. KASHIMA EG 1984.02.25-18:02:03.816 0.010 mm 0.422 mm 0.412 mm 223. MOJAVE12 7222 NOAM X Comp -2356171141.01 mm -45.006 mm 7.010 mm 6.844 mm 224. MOJAVE12 7222 NOAM Y Comp -4646755836.77 mm -4.769 mm 6.885 mm 6.722 mm 225. MOJAVE12 7222 NOAM Z Comp 3668470539.80 mm -41.200 mm 7.431 mm 7.255 mm MOJAVE12 7222 U Comp -3.75 mm -3.751 mm 10.001 mm 8.031 mm MOJAVE12 7222 E Comp -37.98 mm -37.984 mm 5.940 mm 4.770 mm MOJAVE12 7222 N Comp -47.84 mm -47.842 mm 4.056 mm 3.257 mm 226. MOJAVE12 AT 0 1984.02.24-18:03:03.816 57.210 ps 43.594 ps 42.561 ps MOJAVE12 Atm 1984.02.25-06:03:36.000 Avg: 47.119 ps Rms: 26.814 ps Tot_Rms: 54.214 ps || Nat: 129 Dura: 86008.0 sec Tzd_avg: 6977.3 Tzd_rms: 46.3 Wzd_avg: 97.8 Wzd_rms: 43.7 ps Prs_avg: 90744. Pa Tem_avg: 9.7 C Stm_avg: 0.9 C Stm_rms: 1.5 K Spr_avg: 179. Spr_rms: 17. Pa 299. MOJAVE12 NG 1984.02.24-18:02:03.816 -0.060 mm 0.421 mm 0.411 mm 300. MOJAVE12 EG 1984.02.24-18:02:03.816 -0.025 mm 0.422 mm 0.412 mm 301. MOJAVE12 NG 1984.02.25-02:02:03.816 -0.003 mm 0.376 mm 0.367 mm 302. MOJAVE12 EG 1984.02.25-02:02:03.816 0.010 mm 0.377 mm 0.368 mm 303. MOJAVE12 NG 1984.02.25-10:02:03.816 -0.017 mm 0.376 mm 0.367 mm 304. MOJAVE12 EG 1984.02.25-10:02:03.816 0.010 mm 0.377 mm 0.368 mm 305. MOJAVE12 NG 1984.02.25-18:02:03.816 0.031 mm 0.421 mm 0.411 mm 306. MOJAVE12 EG 1984.02.25-18:02:03.816 0.008 mm 0.422 mm 0.412 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 19.12 ps/h NRMS 0.38 share 0.76 count 73 2. KASHIMA Input 50.00 ps/h RMS 21.01 ps/h NRMS 0.42 share 0.75 count 73 3. MOJAVE12 Input 50.00 ps/h RMS 24.90 ps/h NRMS 0.50 share 0.73 count 73 Overall RMS 21.81 ps/h NRMS 0.44 share 0.75 count 219 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 2. KASHIMA Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. MOJAVE12 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.04 share 0.54 count 24 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 1.58 D-14 NRMS 0.32 share 0.17 count 25 2. KASHIMA Input 5.00 D-14 RMS 3.20 D-14 NRMS 0.64 share 0.24 count 25 Overall RMS 2.52 D-14 NRMS 0.50 share 0.20 count 50 307. UT1-TAI 1, 1984.02.25-06:00:00.000 -1.2069 ms/d 97.17 micros/d 34.46 micros/d 33.65 micros/d EOP epoch (TDT) MJD: 45755.250373 NUT epoch (TDT) MJD: 45755.238259 308. Nutation DPSI wrt apriori model 1984.02.25-05:59:45.096 2.093 mas 534.1 microasec 521.4 microasec Nutation Dx wrt apriori model 1984.02.25-05:59:45.096 0.834 mas 211.6 microasec 206.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.25-05:59:45.096 4.593 mas 534.1 microasec 521.4 microasec 309. Nutation DEPS wrt apriori model 1984.02.25-05:59:45.096 -0.312 mas 257.2 microasec 251.1 microasec Nutation Dy wrt apriori model 1984.02.25-05:59:45.096 -0.309 mas 257.9 microasec 251.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.25-05:59:45.096 2.156 mas 257.2 microasec 251.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0163 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to KASHIMA 1856 7557328185.91 16.10 7557328185.91 16.10 -0.64 5.49 -113.18 26.63 HATCREEK 7218 to MOJAVE12 7222 729148654.57 5.97 729148654.57 5.97 100.66 5.71 -34.16 17.91 KASHIMA 1856 to MOJAVE12 7222 8091824048.94 15.51 8091824048.94 15.51 92.60 4.33 58.13 23.11 NNT_POS: 5 stations participated in NNT_POS constraints: HATCREEK MOJAVE12 OVRO_130 PT_REYES VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:56 Correlator type: Unknown Experiment code: cdp84c Mark-3 db_name: $84FEB26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840226_a Ver 2 cdp84c Matrix Condition Number = 1.211995262740549E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | MOJAVE12: GION | | OVRO_130: GION | | PRESIDIO: GION | | PT_REYES: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PT_REYES is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET -999.0 0.0 -999.0 0.0-49950.0 49950.0 MOJAVE12 MET 6.4 5.2 918.4 0.6 41.6 24.0 OVRO_130 MET -999.0 0.0 -999.0 0.0-99900.0 99900.0 PRESIDIO MET -999.0 0.0 -999.0 0.0 0.0 0.0 PT_REYES MET -999.0 0.0 -999.0 0.0-99900.0 0.0 VNDNBERG MET 19.0 2.6 1019.9 0.5 69.0 11.0 Run 26091-1743 716 Observation Pairs Available Session started on: 2445757.200100 1984.02.26 16:48:08.640 UTC Nominal duration: 82961.280 sec 00 23:02:41.280 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 228 22.568 ps 0.78 1.0276 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 248 Number of potentially good observations with QC 5-9: 248 Number of used observations: 228 ( 91.94%) Number of suppressed observations: 20 ( 8.06%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK MOJAVE12 41 42 29.024 0.81 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT HATCREEK OVRO_130 15 15 32.716 0.67 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT HATCREEK PT_REYES 30 35 101.817 0.92 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT HATCREEK VNDNBERG 32 34 45.844 0.84 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT MOJAVE12 OVRO_130 16 17 43.058 0.79 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT MOJAVE12 PT_REYES 39 47 26.839 0.74 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT MOJAVE12 VNDNBERG 40 43 7.628 0.52 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT OVRO_130 PT_REYES 4 4 127.893 1.03 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT OVRO_130 VNDNBERG 4 4 85.517 0.96 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT PRESIDIO-PT_REYES No Data PT_REYES VNDNBERG 7 7 167.784 1.00 19840226_a cdp84c 1984.02.27-04:19:29.2 BAS_STAT Not included: HATCREEK PRESIDIO 0/ 0 deselected baseline 19840226_a cdp84c MOJAVE12 PRESIDIO 0/ 0 deselected baseline 19840226_a cdp84c OVRO_130 PRESIDIO 0/ 0 deselected baseline 19840226_a cdp84c PRESIDIO VNDNBERG 0/ 0 deselected baseline 19840226_a cdp84c Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 20 23 78 47.645 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 0552+398 J0555+3948 24 25 79 32.816 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 0727-115 J0730-1141 11 12 37 36.347 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 1921-293 J1924-2914 8 8 23 35.594 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 3C120 J0433+0521 7 8 34 32.345 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 3C273B J1229+0203 17 18 47 16.936 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 3C279 J1256-0547 11 11 28 19.661 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 3C345 J1642+3948 7 7 36 23.369 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 3C418 J2038+5119 9 10 53 41.739 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 3C454.3 J2253+1608 18 19 54 22.725 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 3C84 J0319+4130 72 78 125 19.187 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: 4C39.25 J0927+3902 14 16 76 26.247 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: NRAO150 J0359+5057 6 9 29 42.001 19840226_a cdp84c 1984.02.27-04:19:29.280 SRC_STAT: NRAO530 J1733-1304 4 4 17 31.078 19840226_a cdp84c 1984.02.27-04:19:29.280 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.27-04:18:57 1. HATCREEK 7218 NOAM X Comp -2523970143.98 mm -39.982 mm 19.152 mm 19.415 mm 2. HATCREEK 7218 NOAM Y Comp -4123506194.77 mm 109.227 mm 30.874 mm 31.298 mm 3. HATCREEK 7218 NOAM Z Comp 4147752733.14 mm 196.135 mm 32.634 mm 33.082 mm HATCREEK 7218 U Comp 73.50 mm 73.496 mm 46.663 mm 36.390 mm HATCREEK 7218 E Comp -91.12 mm -91.124 mm 7.118 mm 5.551 mm HATCREEK 7218 N Comp 195.69 mm 195.686 mm 12.525 mm 9.767 mm 4. HATCREEK CL 0 1984.02.26-16:47:36.456 8253.196 ns 0.272 ns 0.275 ns 5. HATCREEK CL 1 1984.02.26-16:47:36.456 1930.844 D-14 2.591 D-14 2.627 D-14 6. HATCREEK CL 2 1984.02.26-16:47:36.456 2.035 D-14/day 3.262 D-14/day 3.307 D-14/day 30. HATCREEK AT 0 1984.02.26-16:47:36.456 93.880 ps 92.908 ps 94.182 ps HATCREEK Atm 1984.02.27-04:18:08.640 Avg: 112.888 ps Rms: 9.245 ps Tot_Rms: 113.266 ps || Nat: 68 Dura: 67038.0 sec Tzd_avg: 7097.2 Tzd_rms: 21.0 Wzd_avg: 229.6 Wzd_rms: 19.9 ps Prs_avg: 101472. Pa Tem_avg: 15.1 C Stm_avg: 8.9 C Stm_rms: 2.3 K Spr_avg: 10957. Spr_rms: 75. Pa 100. HATCREEK NG 1984.02.26-16:46:36.456 -0.032 mm 0.422 mm 0.428 mm 101. HATCREEK EG 1984.02.26-16:46:36.456 0.033 mm 0.422 mm 0.428 mm 102. HATCREEK NG 1984.02.27-00:46:36.456 -0.007 mm 0.377 mm 0.382 mm 103. HATCREEK EG 1984.02.27-00:46:36.456 0.026 mm 0.377 mm 0.382 mm 104. HATCREEK NG 1984.02.27-08:46:36.456 0.008 mm 0.377 mm 0.382 mm 105. HATCREEK EG 1984.02.27-08:46:36.456 -0.010 mm 0.377 mm 0.382 mm 106. HATCREEK NG 1984.02.27-16:46:36.456 0.003 mm 0.422 mm 0.428 mm 107. HATCREEK EG 1984.02.27-16:46:36.456 -0.004 mm 0.422 mm 0.428 mm 108. MOJAVE12 7222 NOAM X Comp -2356171236.38 mm -140.384 mm 16.748 mm 16.978 mm 109. MOJAVE12 7222 NOAM Y Comp -4646755721.87 mm 110.135 mm 31.135 mm 31.562 mm 110. MOJAVE12 7222 NOAM Z Comp 3668470764.79 mm 183.791 mm 32.041 mm 32.481 mm MOJAVE12 7222 U Comp 77.95 mm 77.945 mm 45.615 mm 35.573 mm MOJAVE12 7222 E Comp -175.02 mm -175.016 mm 6.554 mm 5.111 mm MOJAVE12 7222 N Comp 170.03 mm 170.031 mm 12.362 mm 9.640 mm 111. MOJAVE12 AT 0 1984.02.26-16:47:36.456 147.100 ps 146.428 ps 148.437 ps MOJAVE12 Atm 1984.02.27-04:18:08.640 Avg: 161.761 ps Rms: 15.307 ps Tot_Rms: 162.483 ps || Nat: 78 Dura: 81350.0 sec Tzd_avg: 7049.2 Tzd_rms: 18.7 Wzd_avg: 94.8 Wzd_rms: 17.3 ps Prs_avg: 91844. Pa Tem_avg: 5.3 C Stm_avg: -3.4 C Stm_rms: 4.6 K Spr_avg: 295. Spr_rms: 50. Pa 181. MOJAVE12 NG 1984.02.26-16:46:36.456 0.060 mm 0.422 mm 0.428 mm 182. MOJAVE12 EG 1984.02.26-16:46:36.456 -0.023 mm 0.422 mm 0.427 mm 183. MOJAVE12 NG 1984.02.27-00:46:36.456 0.016 mm 0.377 mm 0.382 mm 184. MOJAVE12 EG 1984.02.27-00:46:36.456 0.020 mm 0.376 mm 0.382 mm 185. MOJAVE12 NG 1984.02.27-08:46:36.456 -0.010 mm 0.377 mm 0.382 mm 186. MOJAVE12 EG 1984.02.27-08:46:36.456 0.022 mm 0.376 mm 0.382 mm 187. MOJAVE12 NG 1984.02.27-16:46:36.456 -0.009 mm 0.422 mm 0.428 mm 188. MOJAVE12 EG 1984.02.27-16:46:36.456 0.001 mm 0.422 mm 0.428 mm 189. OVRO_130 7207 NOAM X Comp -2409601015.40 mm -128.402 mm 49.107 mm 49.781 mm 190. OVRO_130 7207 NOAM Y Comp -4478349371.22 mm 92.778 mm 82.975 mm 84.114 mm 191. OVRO_130 7207 NOAM Z Comp 3838603404.58 mm 216.583 mm 106.958 mm 108.425 mm OVRO_130 7207 U Comp 114.43 mm 114.430 mm 136.716 mm 106.617 mm OVRO_130 7207 E Comp -157.03 mm -157.033 mm 15.946 mm 12.436 mm OVRO_130 7207 N Comp 185.07 mm 185.065 mm 42.319 mm 33.002 mm 192. OVRO_130 CL 0 1984.02.26-16:47:36.456 -3649.999 ns 0.881 ns 0.893 ns 193. OVRO_130 CL 1 1984.02.26-16:47:36.456 -21.774 D-14 2.808 D-14 2.846 D-14 194. OVRO_130 CL 2 1984.02.26-16:47:36.456 5.172 D-14/day 3.590 D-14/day 3.639 D-14/day 218. OVRO_130 AT 0 1984.02.26-16:47:36.456 85.067 ps 306.784 ps 310.993 ps OVRO_130 Atm 1984.02.27-04:18:08.640 Avg: 121.519 ps Rms: 21.491 ps Tot_Rms: 123.405 ps || Nat: 75 Dura: 76508.0 sec Tzd_avg: 6831.8 Tzd_rms: 10.4 Wzd_avg: 103.9 Wzd_rms: 6.7 ps Prs_avg: 87670. Pa Tem_avg: 7.2 C Stm_avg: -0.4 C Stm_rms: 1.7 K Spr_avg: -914. Spr_rms: 69. Pa 288. OVRO_130 NG 1984.02.26-16:46:36.456 -0.003 mm 0.422 mm 0.428 mm 289. OVRO_130 EG 1984.02.26-16:46:36.456 -0.000 mm 0.422 mm 0.428 mm 290. OVRO_130 NG 1984.02.27-00:46:36.456 0.000 mm 0.377 mm 0.382 mm 291. OVRO_130 EG 1984.02.27-00:46:36.456 0.000 mm 0.377 mm 0.382 mm 292. OVRO_130 NG 1984.02.27-08:46:36.456 0.002 mm 0.377 mm 0.382 mm 293. OVRO_130 EG 1984.02.27-08:46:36.456 -0.003 mm 0.377 mm 0.382 mm 294. OVRO_130 NG 1984.02.27-16:46:36.456 0.001 mm 0.422 mm 0.428 mm 295. OVRO_130 EG 1984.02.27-16:46:36.456 -0.001 mm 0.422 mm 0.428 mm 296. PT_REYES 7251 PCFC X Comp -2732333271.37 mm 123.629 mm 24.678 mm 25.016 mm 297. PT_REYES 7251 PCFC Y Comp -4217634825.75 mm -141.753 mm 39.175 mm 39.712 mm 298. PT_REYES 7251 PCFC Z Comp 3914491079.26 mm -300.740 mm 42.029 mm 42.606 mm PT_REYES 7251 U Comp -144.86 mm -144.859 mm 60.564 mm 47.230 mm PT_REYES 7251 E Comp 180.83 mm 180.831 mm 8.159 mm 6.363 mm PT_REYES 7251 N Comp -268.59 mm -268.586 mm 13.251 mm 10.333 mm 299. PT_REYES CL 0 1984.02.26-16:47:36.456 -1966.423 ns 0.391 ns 0.396 ns 300. PT_REYES CL 1 1984.02.26-16:47:36.456 29.790 D-14 2.654 D-14 2.690 D-14 301. PT_REYES CL 2 1984.02.26-16:47:36.456 4.707 D-14/day 2.729 D-14/day 2.766 D-14/day 325. PT_REYES AT 0 1984.02.26-16:47:36.456 297.409 ps 128.531 ps 130.295 ps PT_REYES Atm 1984.02.27-04:18:08.640 Avg: 299.753 ps Rms: 20.331 ps Tot_Rms: 300.442 ps || Nat: 68 Dura: 69402.0 sec Tzd_avg: 7972.5 Tzd_rms: 13.0 Wzd_avg: 234.3 Wzd_rms: 10.8 ps Prs_avg: 101353. Pa Tem_avg: 15.0 C Stm_avg: 2.9 C Stm_rms: 1.2 K Spr_avg: -624. Spr_rms: 120. Pa 395. PT_REYES NG 1984.02.26-16:46:36.456 -0.011 mm 0.422 mm 0.428 mm 396. PT_REYES EG 1984.02.26-16:46:36.456 -0.014 mm 0.422 mm 0.428 mm 397. PT_REYES NG 1984.02.27-00:46:36.456 -0.009 mm 0.377 mm 0.382 mm 398. PT_REYES EG 1984.02.27-00:46:36.456 -0.016 mm 0.377 mm 0.382 mm 399. PT_REYES NG 1984.02.27-08:46:36.456 0.001 mm 0.377 mm 0.382 mm 400. PT_REYES EG 1984.02.27-08:46:36.456 -0.008 mm 0.377 mm 0.382 mm 401. PT_REYES NG 1984.02.27-16:46:36.456 0.005 mm 0.422 mm 0.428 mm 402. PT_REYES EG 1984.02.27-16:46:36.456 0.007 mm 0.422 mm 0.428 mm 403. VNDNBERG 7223 PCFC X Comp -2678094861.86 mm 185.139 mm 23.596 mm 23.920 mm 404. VNDNBERG 7223 PCFC Y Comp -4525450670.39 mm -170.387 mm 37.036 mm 37.544 mm 405. VNDNBERG 7223 PCFC Z Comp 3597410120.23 mm -295.769 mm 37.249 mm 37.760 mm VNDNBERG 7223 U Comp -124.65 mm -124.654 mm 55.505 mm 43.285 mm VNDNBERG 7223 E Comp 246.11 mm 246.106 mm 6.252 mm 4.876 mm VNDNBERG 7223 N Comp -273.28 mm -273.278 mm 14.004 mm 10.921 mm 406. VNDNBERG CL 0 1984.02.26-16:47:36.456 -240.057 ns 0.344 ns 0.349 ns 407. VNDNBERG CL 1 1984.02.26-16:47:36.456 -104.440 D-14 2.593 D-14 2.628 D-14 408. VNDNBERG CL 2 1984.02.26-16:47:36.456 1.348 D-14/day 2.650 D-14/day 2.687 D-14/day 432. VNDNBERG AT 0 1984.02.26-16:47:36.456 342.572 ps 162.465 ps 164.694 ps VNDNBERG Atm 1984.02.27-04:18:08.640 Avg: 356.941 ps Rms: 22.513 ps Tot_Rms: 357.650 ps || Nat: 69 Dura: 71738.0 sec Tzd_avg: 7892.3 Tzd_rms: 19.5 Wzd_avg: 157.3 Wzd_rms: 22.8 ps Prs_avg: 101985. Pa Tem_avg: 18.8 C Stm_avg: 3.1 C Stm_rms: 2.4 K Spr_avg: 117. Spr_rms: 32. Pa 502. VNDNBERG NG 1984.02.26-16:46:36.456 -0.016 mm 0.422 mm 0.428 mm 503. VNDNBERG EG 1984.02.26-16:46:36.456 0.004 mm 0.422 mm 0.428 mm 504. VNDNBERG NG 1984.02.27-00:46:36.456 -0.004 mm 0.377 mm 0.382 mm 505. VNDNBERG EG 1984.02.27-00:46:36.456 -0.027 mm 0.377 mm 0.382 mm 506. VNDNBERG NG 1984.02.27-08:46:36.456 -0.010 mm 0.377 mm 0.382 mm 507. VNDNBERG EG 1984.02.27-08:46:36.456 -0.001 mm 0.377 mm 0.382 mm 508. VNDNBERG NG 1984.02.27-16:46:36.456 -0.004 mm 0.422 mm 0.428 mm 509. VNDNBERG EG 1984.02.27-16:46:36.456 -0.002 mm 0.422 mm 0.428 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 11.83 ps/h NRMS 0.24 share 0.92 count 70 2. MOJAVE12 Input 50.00 ps/h RMS 15.24 ps/h NRMS 0.30 share 0.89 count 70 3. OVRO_130 Input 50.00 ps/h RMS 6.68 ps/h NRMS 0.13 share 0.98 count 70 5. PT_REYES Input 50.00 ps/h RMS 13.05 ps/h NRMS 0.26 share 0.94 count 70 6. VNDNBERG Input 50.00 ps/h RMS 7.85 ps/h NRMS 0.16 share 0.93 count 70 Overall RMS 11.39 ps/h NRMS 0.23 share 0.93 count 350 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.54 count 8 5. PT_REYES Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 6. VNDNBERG Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 40 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 1.57 D-14 NRMS 0.31 share 0.48 count 24 3. OVRO_130 Input 5.00 D-14 RMS 1.58 D-14 NRMS 0.32 share 0.69 count 24 5. PT_REYES Input 5.00 D-14 RMS 4.23 D-14 NRMS 0.85 share 0.47 count 24 6. VNDNBERG Input 5.00 D-14 RMS 1.92 D-14 NRMS 0.38 share 0.42 count 24 Overall RMS 2.58 D-14 NRMS 0.52 share 0.52 count 96 510. UT1-TAI 1, 1984.02.27-04:19:00.000 -1.4911 ms/d -242.72 micros/d 1450.44 micros/d 1470.34 micros/d EOP epoch (TDT) MJD: 45757.180234 NUT epoch (TDT) MJD: 45757.120933 511. Nutation DPSI wrt apriori model 1984.02.27-04:18:57.096 -12.450 mas 8430.0 microasec 8545.6 microasec Nutation Dx wrt apriori model 1984.02.27-04:18:57.096 -4.938 mas 3336.5 microasec 3382.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.27-04:18:57.096 -9.819 mas 8430.0 microasec 8545.6 microasec 512. Nutation DEPS wrt apriori model 1984.02.27-04:18:57.096 -4.123 mas 4814.5 microasec 4880.5 microasec Nutation Dy wrt apriori model 1984.02.27-04:18:57.096 -4.141 mas 4826.3 microasec 4892.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.27-04:18:57.096 -1.799 mas 4814.5 microasec 4880.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2224 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to MOJAVE12 7222 729148644.77 11.81 729148644.77 11.81 95.23 9.77 -30.35 51.92 HATCREEK 7218 to OVRO_130 7207 484321468.44 35.68 484321468.44 35.68 68.07 40.94 -58.27 172.45 HATCREEK 7218 to PT_REYES 7251 326628827.87 13.75 326628827.87 13.75 -430.19 7.92 217.67 65.31 HATCREEK 7218 to VNDNBERG 7223 698706506.14 13.35 698706506.14 13.35 -285.05 8.92 202.31 64.45 MOJAVE12 7222 to OVRO_130 7207 245276487.55 43.72 245276487.55 43.72 26.61 39.08 -27.28 171.87 MOJAVE12 7222 to PT_REYES 7251 621424665.73 12.68 621424665.73 12.68 -207.61 9.02 220.42 67.36 MOJAVE12 7222 to VNDNBERG 7223 351282438.16 8.99 351282438.16 8.99 -534.25 8.11 200.75 56.31 OVRO_130 7207 to PT_REYES 7251 421766668.23 17.27 421766668.23 17.27 -365.84 55.00 258.12 180.83 OVRO_130 7207 to VNDNBERG 7223 363980326.92 53.70 363980326.92 53.70 -594.21 27.36 238.21 176.03 PT_REYES 7251 to VNDNBERG 7223 445233347.64 13.41 445233347.64 13.41 -63.65 9.93 3.61 81.11 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1743 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:43:59 Correlator type: Unknown Experiment code: ia163 Mark-3 db_name: $84FEB28XP Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840228_a Ver 2 ia163 Matrix Condition Number = 1.091976108946698E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -0.8 4.5 843.9 1.0 20.9 10.3 WESTFORD MET 1.6 1.3 977.6 5.2 86.3 44.0 WETTZELL MET 1.1 3.4 944.8 1.1 90.0 15.0 Run 26091-1743 225 Observation Pairs Available Session started on: 2445759.256000 1984.02.28 18:08:38.400 UTC Nominal duration: 85320.000 sec 00 23:41:60.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 166 55.486 ps 0.85 1.2032 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 175 Number of potentially good observations with QC 5-9: 175 Number of used observations: 166 ( 94.86%) Number of suppressed observations: 9 ( 5.14%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 65 71 45.421 0.87 19840228_a ia163 1984.02.29-05:59:38.4 BAS_STAT HRAS_085 WETTZELL 37 37 44.326 0.72 19840228_a ia163 1984.02.29-05:59:38.4 BAS_STAT WESTFORD WETTZELL 64 67 96.868 0.90 19840228_a ia163 1984.02.29-05:59:38.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 7 8 8 87.616 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 0212+735 J0217+7349 17 17 24 96.122 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 0234+285 J0237+2848 15 15 16 52.962 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 0528+134 J0530+1331 13 13 15 85.623 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 0552+398 J0555+3948 18 19 19 43.441 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 1803+784 J1800+7828 19 19 26 79.952 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 2216-038 J2218-0335 1 3 8 61.245 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 3C273B J1229+0203 7 7 10 21.160 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 3C345 J1642+3948 17 18 21 32.902 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 3C454.3 J2253+1608 6 7 11 118.651 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: 4C39.25 J0927+3902 9 9 14 44.544 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: OJ287 J0854+2006 12 15 16 21.598 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: OQ208 J1407+2827 15 15 16 80.347 19840228_a ia163 1984.02.29-05:59:38.400 SRC_STAT: VR422201 J2202+4216 10 10 21 35.255 19840228_a ia163 1984.02.29-05:59:38.400 ------------------------------------------------ Parameter adjustments for run 26091-1743 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.02.29-05:59:06 1. HRAS_085 7216 NOAM X Comp -1324211063.51 mm -46.512 mm 16.037 mm 17.591 mm 2. HRAS_085 7216 NOAM Y Comp -5332023131.01 mm -49.012 mm 40.483 mm 44.405 mm 3. HRAS_085 7216 NOAM Z Comp 3232118475.20 mm 168.203 mm 29.093 mm 31.912 mm HRAS_085 7216 U Comp 136.29 mm 136.288 mm 49.293 mm 41.891 mm HRAS_085 7216 E Comp -33.33 mm -33.327 mm 10.926 mm 9.285 mm HRAS_085 7216 N Comp 114.77 mm 114.771 mm 13.900 mm 11.812 mm 4. HRAS_085 CL 0 1984.02.28-18:08:06.216 11841.454 ns 0.445 ns 0.488 ns 5. HRAS_085 CL 1 1984.02.28-18:08:06.216 24.126 D-14 2.308 D-14 2.532 D-14 6. HRAS_085 CL 2 1984.02.28-18:08:06.216 -1.481 D-14/day 1.979 D-14/day 2.170 D-14/day 31. HRAS_085 AT 0 1984.02.28-18:08:06.216 -180.163 ps 139.528 ps 153.049 ps HRAS_085 Atm 1984.02.29-06:08:38.400 Avg: -162.400 ps Rms: 17.337 ps Tot_Rms: 163.323 ps || Nat: 86 Dura: 84990.0 sec Tzd_avg: 6501.9 Tzd_rms: 22.3 Wzd_avg: 95.0 Wzd_rms: 26.4 ps Prs_avg: 84397. Pa Tem_avg: -0.9 C Stm_avg: -4.1 C Stm_rms: 1.7 K Spr_avg: 102. Spr_rms: 45. Pa 104. HRAS_085 NG 1984.02.28-18:07:06.216 -0.008 mm 0.422 mm 0.463 mm 105. HRAS_085 EG 1984.02.28-18:07:06.216 0.000 mm 0.422 mm 0.463 mm 106. HRAS_085 NG 1984.02.29-02:07:06.216 -0.005 mm 0.377 mm 0.413 mm 107. HRAS_085 EG 1984.02.29-02:07:06.216 -0.002 mm 0.377 mm 0.413 mm 108. HRAS_085 NG 1984.02.29-10:07:06.216 0.001 mm 0.377 mm 0.413 mm 109. HRAS_085 EG 1984.02.29-10:07:06.216 -0.007 mm 0.377 mm 0.413 mm 110. HRAS_085 NG 1984.02.29-18:07:06.216 0.021 mm 0.422 mm 0.463 mm 111. HRAS_085 EG 1984.02.29-18:07:06.216 -0.012 mm 0.422 mm 0.463 mm 112. WESTFORD 7209 NOAM X Comp 1492206591.81 mm 48.812 mm 11.936 mm 13.092 mm 113. WESTFORD 7209 NOAM Y Comp -4458130374.99 mm 147.008 mm 21.610 mm 23.704 mm 114. WESTFORD 7209 NOAM Z Comp 4296015505.20 mm -41.798 mm 22.217 mm 24.370 mm WESTFORD 7209 U Comp -119.49 mm -119.492 mm 28.890 mm 24.551 mm WESTFORD 7209 E Comp 92.95 mm 92.950 mm 14.011 mm 11.907 mm WESTFORD 7209 N Comp 53.13 mm 53.134 mm 8.492 mm 7.216 mm 115. WESTFORD AT 0 1984.02.28-18:08:06.216 -42.272 ps 58.694 ps 64.382 ps WESTFORD Atm 1984.02.29-06:08:38.400 Avg: -28.728 ps Rms: 39.333 ps Tot_Rms: 48.707 ps || Nat: 135 Dura: 85320.0 sec Tzd_avg: 7731.8 Tzd_rms: 182.3 Wzd_avg: 341.4 Wzd_rms: 151.0 ps Prs_avg: 97753. Pa Tem_avg: 1.6 C Stm_avg: 0.4 C Stm_rms: 0.7 K Spr_avg: 272. Spr_rms: 77. Pa 188. WESTFORD NG 1984.02.28-18:07:06.216 0.007 mm 0.422 mm 0.463 mm 189. WESTFORD EG 1984.02.28-18:07:06.216 -0.011 mm 0.422 mm 0.463 mm 190. WESTFORD NG 1984.02.29-02:07:06.216 0.014 mm 0.377 mm 0.413 mm 191. WESTFORD EG 1984.02.29-02:07:06.216 -0.010 mm 0.377 mm 0.413 mm 192. WESTFORD NG 1984.02.29-10:07:06.216 -0.015 mm 0.377 mm 0.413 mm 193. WESTFORD EG 1984.02.29-10:07:06.216 0.021 mm 0.377 mm 0.413 mm 194. WESTFORD NG 1984.02.29-18:07:06.216 -0.026 mm 0.422 mm 0.463 mm 195. WESTFORD EG 1984.02.29-18:07:06.216 0.042 mm 0.422 mm 0.462 mm 196. WETTZELL 7224 EURA X Comp 4075539838.70 mm -2.300 mm 20.906 mm 22.932 mm 197. WETTZELL 7224 EURA Y Comp 931735216.00 mm -97.996 mm 24.908 mm 27.321 mm 198. WETTZELL 7224 EURA Z Comp 4801629266.60 mm -126.405 mm 31.977 mm 35.076 mm WETTZELL 7224 U Comp -111.36 mm -111.362 mm 33.529 mm 28.494 mm WETTZELL 7224 E Comp -95.02 mm -95.019 mm 23.926 mm 20.333 mm WETTZELL 7224 N Comp -64.47 mm -64.472 mm 19.579 mm 16.639 mm 199. WETTZELL CL 0 1984.02.28-18:08:06.216 12877.307 ns 0.318 ns 0.349 ns 200. WETTZELL CL 1 1984.02.28-18:08:06.216 -344.943 D-14 2.318 D-14 2.543 D-14 201. WETTZELL CL 2 1984.02.28-18:08:06.216 -4.071 D-14/day 1.991 D-14/day 2.184 D-14/day 226. WETTZELL AT 0 1984.02.28-18:08:06.216 -38.479 ps 48.394 ps 53.083 ps WETTZELL Atm 1984.02.29-06:08:38.400 Avg: -39.874 ps Rms: 15.195 ps Tot_Rms: 42.671 ps || Nat: 94 Dura: 85320.0 sec Tzd_avg: 7274.7 Tzd_rms: 17.3 Wzd_avg: 146.3 Wzd_rms: 18.7 ps Prs_avg: 94484. Pa Tem_avg: 1.1 C Stm_avg: 1.9 C Stm_rms: 2.5 K Spr_avg: 492. Spr_rms: 47. Pa 299. WETTZELL NG 1984.02.28-18:07:06.216 -0.005 mm 0.422 mm 0.463 mm 300. WETTZELL EG 1984.02.28-18:07:06.216 -0.002 mm 0.422 mm 0.463 mm 301. WETTZELL NG 1984.02.29-02:07:06.216 -0.002 mm 0.377 mm 0.413 mm 302. WETTZELL EG 1984.02.29-02:07:06.216 0.003 mm 0.377 mm 0.414 mm 303. WETTZELL NG 1984.02.29-10:07:06.216 0.002 mm 0.377 mm 0.413 mm 304. WETTZELL EG 1984.02.29-10:07:06.216 0.009 mm 0.377 mm 0.414 mm 305. WETTZELL NG 1984.02.29-18:07:06.216 0.008 mm 0.422 mm 0.463 mm 306. WETTZELL EG 1984.02.29-18:07:06.216 -0.011 mm 0.422 mm 0.463 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 7.75 ps/h NRMS 0.16 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 16.80 ps/h NRMS 0.34 share 0.87 count 73 3. WETTZELL Input 50.00 ps/h RMS 7.45 ps/h NRMS 0.15 share 0.89 count 73 Overall RMS 11.51 ps/h NRMS 0.23 share 0.90 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.65 D-14 NRMS 0.33 share 0.32 count 25 3. WETTZELL Input 5.00 D-14 RMS 1.45 D-14 NRMS 0.29 share 0.44 count 25 Overall RMS 1.55 D-14 NRMS 0.31 share 0.38 count 50 307. UT1-TAI 1, 1984.02.29-05:59:00.000 -1.4533 ms/d -41.89 micros/d 81.99 micros/d 89.94 micros/d EOP epoch (TDT) MJD: 45759.249678 NUT epoch (TDT) MJD: 45759.284906 308. Nutation DPSI wrt apriori model 1984.02.29-05:59:06.216 -1.846 mas 1754.2 microasec 1924.1 microasec Nutation Dx wrt apriori model 1984.02.29-05:59:06.216 -0.735 mas 696.0 microasec 763.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.02.29-05:59:06.216 1.532 mas 1754.2 microasec 1924.1 microasec 309. Nutation DEPS wrt apriori model 1984.02.29-05:59:06.216 0.203 mas 519.8 microasec 570.1 microasec Nutation Dy wrt apriori model 1984.02.29-05:59:06.216 0.201 mas 522.2 microasec 572.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.02.29-05:59:06.216 2.441 mas 519.8 microasec 570.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4014 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.02.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928045.22 21.28 3134928045.22 21.28 85.75 8.04 281.95 71.37 HRAS_085 7216 to WETTZELL 7224 8417561556.65 57.51 8417561556.65 57.51 205.21 10.40 212.29 71.60 WESTFORD 7209 to WETTZELL 7224 5998325352.06 21.22 5998325352.06 21.22 85.79 9.05 17.03 55.60 NNT_POS: 4 stations participated in NNT_POS constraints: DEADMANL MOJAVE12 SANPAULA VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:02 Correlator type: Unknown Experiment code: cdp84d Mark-3 db_name: $84FEB29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840229_a Ver 2 cdp84d Matrix Condition Number = 2.305893752819703E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- DEADMANL: GION | | MOJAVE12: GION | | SANPAULA: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for DEADMANL is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for SANPAULA is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms DEADMANL MET 12.8 3.0 916.0 0.8 6.8 3.2 MOJAVE12 MET 10.0 5.2 910.5 0.8 32.5 4.7 SANPAULA MET 12.2 3.8 990.2 1.1 26.9 16.9 VNDNBERG MET 13.3 2.0 1016.7 0.7 82.5 4.6 Run 26091-1744 368 Observation Pairs Available Session started on: 2445760.180000 1984.02.29 16:19:12.000 UTC Nominal duration: 86901.120 sec 01 00:08:21.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 148 80.446 ps 0.79 1.0240 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 149 Number of potentially good observations with QC 5-9: 149 Number of used observations: 148 ( 99.33%) Number of suppressed observations: 1 ( 0.67%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps DEADMANL MOJAVE12 63 63 213.321 0.90 19840229_a cdp84d 1984.03.01-04:23:22.5 BAS_STAT DEADMANL VNDNBERG 7 7 72.115 0.70 19840229_a cdp84d 1984.03.01-04:23:22.5 BAS_STAT MOJAVE12 SANPAULA 26 27 45.397 0.63 19840229_a cdp84d 1984.03.01-04:23:22.5 BAS_STAT MOJAVE12 VNDNBERG 52 52 61.011 0.74 19840229_a cdp84d 1984.03.01-04:23:22.5 BAS_STAT Not included: DEADMANL SANPAULA 0/ 0 deselected baseline 19840229_a cdp84d SANPAULA VNDNBERG 0/ 0 deselected baseline 19840229_a cdp84d Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 5 5 20 243.754 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 0552+398 J0555+3948 6 7 25 138.664 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 0727-115 J0730-1141 3 3 24 85.044 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 1921-293 J1924-2914 2 2 7 107.150 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 2134+00 J2136+0041 2 2 8 17.265 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 3C120 J0433+0521 3 3 19 237.241 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 3C273B J1229+0203 29 29 47 58.704 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 3C279 J1256-0547 6 6 13 149.720 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 3C345 J1642+3948 23 23 39 67.598 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 3C418 J2038+5119 6 6 32 118.774 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 3C454.3 J2253+1608 13 13 22 90.732 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 3C84 J0319+4130 28 28 49 53.317 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: 4C39.25 J0927+3902 7 7 30 196.896 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: NRAO150 J0359+5057 7 7 18 121.269 19840229_a cdp84d 1984.03.01-04:23:22.560 SRC_STAT: NRAO530 J1733-1304 8 8 15 180.720 19840229_a cdp84d 1984.03.01-04:23:22.560 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.01-04:22:50 1. DEADMANL 7267 NOAM X Comp -2336819923.36 mm 190.640 mm 52.988 mm 53.620 mm 2. DEADMANL 7267 NOAM Y Comp -4732586885.95 mm 759.051 mm 98.441 mm 99.616 mm 3. DEADMANL 7267 NOAM Z Comp 3570330150.46 mm -231.543 mm 72.857 mm 73.726 mm DEADMANL 7267 U Comp -762.64 mm -762.639 mm 130.481 mm 103.574 mm DEADMANL 7267 E Comp -165.13 mm -165.125 mm 17.589 mm 13.962 mm DEADMANL 7267 N Comp 239.23 mm 239.225 mm 21.721 mm 17.242 mm 4. DEADMANL CL 0 1984.02.29-16:18:39.816 -1886.984 ns 1.076 ns 1.089 ns 5. DEADMANL CL 1 1984.02.29-16:18:39.816 27.368 D-14 3.930 D-14 3.976 D-14 6. DEADMANL CL 2 1984.02.29-16:18:39.816 2.436 D-14/day 3.017 D-14/day 3.053 D-14/day 32. DEADMANL AT 0 1984.02.29-16:18:39.816 -500.046 ps 385.633 ps 390.234 ps DEADMANL Atm 1984.03.01-04:49:12.000 Avg: -493.915 ps Rms: 10.480 ps Tot_Rms: 494.026 ps || Nat: 82 Dura: 67210.0 sec Tzd_avg: 7115.7 Tzd_rms: 24.2 Wzd_avg: 156.3 Wzd_rms: 21.1 ps Prs_avg: 91603. Pa Tem_avg: 12.7 C Stm_avg: -2.0 C Stm_rms: 1.9 K Spr_avg: -34. Spr_rms: 50. Pa 108. DEADMANL NG 1984.02.29-16:17:39.816 0.001 mm 0.422 mm 0.427 mm 109. DEADMANL EG 1984.02.29-16:17:39.816 0.001 mm 0.422 mm 0.427 mm 110. DEADMANL NG 1984.03.01-00:17:39.816 0.003 mm 0.377 mm 0.382 mm 111. DEADMANL EG 1984.03.01-00:17:39.816 0.001 mm 0.377 mm 0.382 mm 112. DEADMANL NG 1984.03.01-08:17:39.816 -0.000 mm 0.377 mm 0.382 mm 113. DEADMANL EG 1984.03.01-08:17:39.816 -0.006 mm 0.377 mm 0.382 mm 114. DEADMANL NG 1984.03.01-16:17:39.816 -0.004 mm 0.422 mm 0.427 mm 115. DEADMANL EG 1984.03.01-16:17:39.816 0.008 mm 0.422 mm 0.427 mm 116. MOJAVE12 7222 NOAM X Comp -2356171294.89 mm -198.886 mm 28.358 mm 28.696 mm 117. MOJAVE12 7222 NOAM Y Comp -4646755839.55 mm -7.547 mm 49.873 mm 50.468 mm 118. MOJAVE12 7222 NOAM Z Comp 3668470817.84 mm 236.842 mm 38.568 mm 39.028 mm MOJAVE12 7222 U Comp 215.84 mm 215.837 mm 67.792 mm 53.813 mm MOJAVE12 7222 E Comp -173.97 mm -173.973 mm 8.965 mm 7.117 mm MOJAVE12 7222 N Comp 137.31 mm 137.312 mm 10.141 mm 8.049 mm 119. MOJAVE12 AT 0 1984.02.29-16:18:39.816 -631.680 ps 337.411 ps 341.437 ps MOJAVE12 Atm 1984.03.01-04:49:12.000 Avg: -668.365 ps Rms: 33.627 ps Tot_Rms: 669.211 ps || Nat: 104 Dura: 86898.0 sec Tzd_avg: 7052.5 Tzd_rms: 33.5 Wzd_avg: 156.4 Wzd_rms: 34.8 ps Prs_avg: 91056. Pa Tem_avg: 10.3 C Stm_avg: -2.9 C Stm_rms: 3.0 K Spr_avg: 249. Spr_rms: 59. Pa 195. MOJAVE12 NG 1984.02.29-16:17:39.816 0.007 mm 0.422 mm 0.427 mm 196. MOJAVE12 EG 1984.02.29-16:17:39.816 -0.009 mm 0.422 mm 0.427 mm 197. MOJAVE12 NG 1984.03.01-00:17:39.816 0.004 mm 0.377 mm 0.382 mm 198. MOJAVE12 EG 1984.03.01-00:17:39.816 0.000 mm 0.377 mm 0.381 mm 199. MOJAVE12 NG 1984.03.01-08:17:39.816 0.005 mm 0.377 mm 0.382 mm 200. MOJAVE12 EG 1984.03.01-08:17:39.816 0.012 mm 0.377 mm 0.382 mm 201. MOJAVE12 NG 1984.03.01-16:17:39.816 -0.005 mm 0.422 mm 0.427 mm 202. MOJAVE12 EG 1984.03.01-16:17:39.816 -0.008 mm 0.422 mm 0.427 mm 203. SANPAULA 7255 PCFC X Comp -2554476964.67 mm 77.326 mm 50.327 mm 50.928 mm 204. SANPAULA 7255 PCFC Y Comp -4608627556.61 mm -335.612 mm 91.235 mm 92.324 mm 205. SANPAULA 7255 PCFC Z Comp 3582138592.58 mm 48.576 mm 67.059 mm 67.859 mm SANPAULA 7255 U Comp 238.74 mm 238.736 mm 121.461 mm 96.415 mm SANPAULA 7255 E Comp 230.33 mm 230.333 mm 14.271 mm 11.328 mm SANPAULA 7255 N Comp -104.53 mm -104.528 mm 19.924 mm 15.816 mm 206. SANPAULA CL 0 1984.02.29-16:18:39.816 7087.985 ns 0.747 ns 0.756 ns 207. SANPAULA CL 1 1984.02.29-16:18:39.816 7.914 D-14 2.385 D-14 2.413 D-14 208. SANPAULA CL 2 1984.02.29-16:18:39.816 2.807 D-14/day 2.033 D-14/day 2.057 D-14/day 234. SANPAULA AT 0 1984.02.29-16:18:39.816 -954.355 ps 444.219 ps 449.519 ps SANPAULA Atm 1984.03.01-04:49:12.000 Avg: -925.616 ps Rms: 18.763 ps Tot_Rms: 925.806 ps || Nat: 51 Dura: 86160.0 sec Tzd_avg: 7791.3 Tzd_rms: 78.2 Wzd_avg: 275.8 Wzd_rms: 76.1 ps Prs_avg: 99018. Pa Tem_avg: 12.1 C Stm_avg: -4.0 C Stm_rms: 1.5 K Spr_avg: -14. Spr_rms: 31. Pa 310. SANPAULA NG 1984.02.29-16:17:39.816 -0.005 mm 0.422 mm 0.427 mm 311. SANPAULA EG 1984.02.29-16:17:39.816 -0.005 mm 0.422 mm 0.427 mm 312. SANPAULA NG 1984.03.01-00:17:39.816 -0.003 mm 0.377 mm 0.382 mm 313. SANPAULA EG 1984.03.01-00:17:39.816 -0.004 mm 0.377 mm 0.382 mm 314. SANPAULA NG 1984.03.01-08:17:39.816 0.004 mm 0.377 mm 0.382 mm 315. SANPAULA EG 1984.03.01-08:17:39.816 0.003 mm 0.377 mm 0.382 mm 316. SANPAULA NG 1984.03.01-16:17:39.816 0.005 mm 0.422 mm 0.427 mm 317. SANPAULA EG 1984.03.01-16:17:39.816 0.012 mm 0.422 mm 0.427 mm 318. VNDNBERG 7223 PCFC X Comp -2678095116.08 mm -69.079 mm 45.705 mm 46.250 mm 319. VNDNBERG 7223 PCFC Y Comp -4525450915.89 mm -415.892 mm 74.006 mm 74.889 mm 320. VNDNBERG 7223 PCFC Z Comp 3597410362.12 mm -53.875 mm 60.008 mm 60.724 mm VNDNBERG 7223 U Comp 293.18 mm 293.184 mm 103.257 mm 81.964 mm VNDNBERG 7223 E Comp 152.36 mm 152.360 mm 15.954 mm 12.664 mm VNDNBERG 7223 N Comp -267.34 mm -267.340 mm 15.822 mm 12.560 mm 321. VNDNBERG CL 0 1984.02.29-16:18:39.816 -103.346 ns 0.535 ns 0.541 ns 322. VNDNBERG CL 1 1984.02.29-16:18:39.816 -101.591 D-14 2.226 D-14 2.253 D-14 323. VNDNBERG CL 2 1984.02.29-16:18:39.816 4.073 D-14/day 1.911 D-14/day 1.934 D-14/day 349. VNDNBERG AT 0 1984.02.29-16:18:39.816 -793.569 ps 396.537 ps 401.268 ps VNDNBERG Atm 1984.03.01-04:49:12.000 Avg: -778.029 ps Rms: 14.023 ps Tot_Rms: 778.155 ps || Nat: 105 Dura: 86898.0 sec Tzd_avg: 8038.8 Tzd_rms: 56.9 Wzd_avg: 332.8 Wzd_rms: 58.0 ps Prs_avg: 101670. Pa Tem_avg: 13.5 C Stm_avg: 1.4 C Stm_rms: 1.8 K Spr_avg: 104. Spr_rms: 26. Pa 425. VNDNBERG NG 1984.02.29-16:17:39.816 -0.002 mm 0.422 mm 0.427 mm 426. VNDNBERG EG 1984.02.29-16:17:39.816 0.011 mm 0.422 mm 0.427 mm 427. VNDNBERG NG 1984.03.01-00:17:39.816 -0.004 mm 0.377 mm 0.382 mm 428. VNDNBERG EG 1984.03.01-00:17:39.816 -0.001 mm 0.377 mm 0.382 mm 429. VNDNBERG NG 1984.03.01-08:17:39.816 -0.008 mm 0.377 mm 0.382 mm 430. VNDNBERG EG 1984.03.01-08:17:39.816 -0.010 mm 0.377 mm 0.382 mm 431. VNDNBERG NG 1984.03.01-16:17:39.816 0.006 mm 0.422 mm 0.427 mm 432. VNDNBERG EG 1984.03.01-16:17:39.816 -0.010 mm 0.422 mm 0.427 mm Atmosphere Constraint Statistics 1. DEADMANL Input 50.00 ps/h RMS 6.48 ps/h NRMS 0.13 share 0.97 count 76 2. MOJAVE12 Input 50.00 ps/h RMS 9.57 ps/h NRMS 0.19 share 0.95 count 76 3. SANPAULA Input 50.00 ps/h RMS 4.49 ps/h NRMS 0.09 share 0.98 count 76 4. VNDNBERG Input 50.00 ps/h RMS 6.01 ps/h NRMS 0.12 share 0.97 count 76 Overall RMS 6.89 ps/h NRMS 0.14 share 0.97 count 304 Gradient Constraint Statistics 1. DEADMANL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 3. SANPAULA Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. VNDNBERG Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 32 Clock Constraint Statistics 1. DEADMANL Input 5.00 D-14 RMS 4.10 D-14 NRMS 0.82 share 0.72 count 26 3. SANPAULA Input 5.00 D-14 RMS 2.63 D-14 NRMS 0.53 share 0.68 count 26 4. VNDNBERG Input 5.00 D-14 RMS 2.58 D-14 NRMS 0.52 share 0.51 count 26 Overall RMS 3.18 D-14 NRMS 0.64 share 0.64 count 78 433. UT1-TAI 1, 1984.03.01-04:23:00.000 -1.8349 ms/d -297.81 micros/d 4565.84 micros/d 4620.31 micros/d EOP epoch (TDT) MJD: 45760.183011 NUT epoch (TDT) MJD: 45760.257996 434. Nutation DPSI wrt apriori model 1984.03.01-04:22:50.376 -92.546 mas 42937.9 microasec 43450.2 microasec Nutation Dx wrt apriori model 1984.03.01-04:22:50.376 -36.817 mas 17003.1 microasec 17206.0 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.01-04:22:50.376 -89.015 mas 42937.9 microasec 43450.2 microasec 435. Nutation DEPS wrt apriori model 1984.03.01-04:22:50.376 0.296 mas 22030.8 microasec 22293.7 microasec Nutation Dy wrt apriori model 1984.03.01-04:22:50.376 0.166 mas 22091.3 microasec 22354.9 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.01-04:22:50.376 2.640 mas 22030.8 microasec 22293.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2729 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) DEADMANL 7267 to MOJAVE12 7222 131806808.25 23.43 131806808.25 23.43 -48.35 21.55 -973.52 164.52 DEADMANL 7267 to VNDNBERG 7223 400134233.88 30.79 400134233.88 30.79 -474.70 32.78 -1055.35 199.26 MOJAVE12 7222 to SANPAULA 7255 219618209.06 18.94 219618209.06 18.94 -405.94 25.02 -24.30 151.86 MOJAVE12 7222 to VNDNBERG 7223 351282535.18 21.04 351282535.18 21.04 -470.95 18.14 -76.53 123.79 NNT_POS: 4 stations participated in NNT_POS constraints: BLKBUTTE MOJAVE12 OCOTILLO VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:06 Correlator type: Unknown Experiment code: cdp84e Mark-3 db_name: $84MAR03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840303_a Ver 2 cdp84e Matrix Condition Number = 8.588372948423242E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- BLKBUTTE: GION | | MOJAVE12: GION | | OCOTILLO: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for BLKBUTTE is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OCOTILLO is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms BLKBUTTE MET 17.0 5.4 952.1 0.5 8.6 0.4 MOJAVE12 MET 10.2 5.7 910.3 0.5 39.1 0.0 OCOTILLO MET 18.0 7.1 1010.9 0.8 14.7 5.7 VNDNBERG MET 17.8 2.0 1012.3 0.5 41.6 12.9 Run 26091-1744 407 Observation Pairs Available Session started on: 2445763.370600 1984.03.03 20:53:39.840 UTC Nominal duration: 69672.960 sec 00 19:21:12.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 142 28.376 ps 0.74 0.9370 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 145 Number of potentially good observations with QC 5-9: 145 Number of used observations: 142 ( 97.93%) Number of suppressed observations: 3 ( 2.07%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps BLKBUTTE MOJAVE12 83 84 23.077 0.74 19840303_a cdp84e 1984.03.04-06:34:16.3 BAS_STAT BLKBUTTE OCOTILLO 10 10 113.885 0.95 19840303_a cdp84e 1984.03.04-06:34:16.3 BAS_STAT MOJAVE12 OCOTILLO 24 26 33.857 0.68 19840303_a cdp84e 1984.03.04-06:34:16.3 BAS_STAT MOJAVE12 VNDNBERG 25 25 71.411 0.73 19840303_a cdp84e 1984.03.04-06:34:16.3 BAS_STAT Not included: BLKBUTTE VNDNBERG 0/ 0 deselected baseline 19840303_a cdp84e OCOTILLO VNDNBERG 0/ 0 deselected baseline 19840303_a cdp84e Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 5 5 27 78.553 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 0552+398 J0555+3948 13 13 48 72.181 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 0727-115 J0730-1141 4 5 32 113.137 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 1921-293 J1924-2914 1 1 3 4.935 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 2134+00 J2136+0041 2 2 3 22.210 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 3C120 J0433+0521 3 3 21 112.403 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 3C273B J1229+0203 33 33 60 20.540 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 3C279 J1256-0547 10 10 24 53.152 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 3C345 J1642+3948 15 15 30 34.365 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 3C418 J2038+5119 4 4 30 40.307 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 3C454.3 J2253+1608 0 0 1 0.000 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 3C84 J0319+4130 24 25 41 16.537 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: 4C39.25 J0927+3902 12 12 39 65.584 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: NRAO150 J0359+5057 11 11 29 56.578 19840303_a cdp84e 1984.03.04-06:34:16.320 SRC_STAT: NRAO530 J1733-1304 5 6 19 50.551 19840303_a cdp84e 1984.03.04-06:34:16.320 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.04-06:33:44 1. BLKBUTTE 7269 NOAM X Comp -2306307144.18 mm -51.182 mm 34.618 mm 33.510 mm 2. BLKBUTTE 7269 NOAM Y Comp -4787914299.55 mm 75.449 mm 68.585 mm 66.388 mm 3. BLKBUTTE 7269 NOAM Z Comp 3515736475.98 mm 151.981 mm 56.069 mm 54.274 mm BLKBUTTE 7269 U Comp 46.16 mm 46.158 mm 92.442 mm 68.674 mm BLKBUTTE 7269 E Comp -78.85 mm -78.853 mm 13.492 mm 10.023 mm BLKBUTTE 7269 N Comp 151.86 mm 151.862 mm 17.845 mm 13.257 mm 4. BLKBUTTE CL 0 1984.03.03-20:53:07.656 -1792.945 ns 0.273 ns 0.265 ns 5. BLKBUTTE CL 1 1984.03.03-20:53:07.656 29.831 D-14 2.437 D-14 2.359 D-14 6. BLKBUTTE CL 2 1984.03.03-20:53:07.656 6.260 D-14/day 2.800 D-14/day 2.711 D-14/day 27. BLKBUTTE AT 0 1984.03.03-20:53:07.656 -128.889 ps 416.429 ps 403.092 ps BLKBUTTE Atm 1984.03.04-06:53:39.840 Avg: -130.869 ps Rms: 7.099 ps Tot_Rms: 131.062 ps || Nat: 92 Dura: 66900.0 sec Tzd_avg: 7358.9 Tzd_rms: 17.7 Wzd_avg: 126.6 Wzd_rms: 14.9 ps Prs_avg: 95216. Pa Tem_avg: 16.9 C Stm_avg: -2.1 C Stm_rms: 2.6 K Spr_avg: -1. Spr_rms: 72. Pa 88. BLKBUTTE NG 1984.03.03-20:52:07.656 -0.002 mm 0.423 mm 0.409 mm 89. BLKBUTTE EG 1984.03.03-20:52:07.656 -0.004 mm 0.423 mm 0.409 mm 90. BLKBUTTE NG 1984.03.04-04:52:07.656 0.003 mm 0.381 mm 0.369 mm 91. BLKBUTTE EG 1984.03.04-04:52:07.656 -0.000 mm 0.381 mm 0.369 mm 92. BLKBUTTE NG 1984.03.04-12:52:07.656 -0.003 mm 0.423 mm 0.409 mm 93. BLKBUTTE EG 1984.03.04-12:52:07.656 0.005 mm 0.423 mm 0.409 mm 94. MOJAVE12 7222 NOAM X Comp -2356171184.10 mm -88.101 mm 34.963 mm 33.843 mm 95. MOJAVE12 7222 NOAM Y Comp -4646755747.86 mm 84.136 mm 66.386 mm 64.260 mm 96. MOJAVE12 7222 NOAM Z Comp 3668470641.09 mm 60.085 mm 59.044 mm 57.153 mm MOJAVE12 7222 U Comp 6.03 mm 6.033 mm 93.120 mm 69.177 mm MOJAVE12 7222 E Comp -116.63 mm -116.627 mm 12.122 mm 9.005 mm MOJAVE12 7222 N Comp 69.37 mm 69.374 mm 17.251 mm 12.815 mm 97. MOJAVE12 AT 0 1984.03.03-20:53:07.656 -73.223 ps 435.219 ps 421.280 ps MOJAVE12 Atm 1984.03.04-06:53:39.840 Avg: -76.270 ps Rms: 17.201 ps Tot_Rms: 78.185 ps || Nat: 95 Dura: 69670.0 sec Tzd_avg: 7018.6 Tzd_rms: 15.7 Wzd_avg: 119.0 Wzd_rms: 16.0 ps Prs_avg: 91028. Pa Tem_avg: 10.2 C Stm_avg: -4.0 C Stm_rms: 4.2 K Spr_avg: 189. Spr_rms: 75. Pa 158. MOJAVE12 NG 1984.03.03-20:52:07.656 0.004 mm 0.423 mm 0.409 mm 159. MOJAVE12 EG 1984.03.03-20:52:07.656 0.018 mm 0.423 mm 0.409 mm 160. MOJAVE12 NG 1984.03.04-04:52:07.656 -0.005 mm 0.381 mm 0.369 mm 161. MOJAVE12 EG 1984.03.04-04:52:07.656 0.007 mm 0.381 mm 0.369 mm 162. MOJAVE12 NG 1984.03.04-12:52:07.656 0.007 mm 0.423 mm 0.409 mm 163. MOJAVE12 EG 1984.03.04-12:52:07.656 -0.010 mm 0.423 mm 0.409 mm 164. OCOTILLO 7270 PCFC X Comp -2335601275.81 mm 51.193 mm 62.176 mm 60.185 mm 165. OCOTILLO 7270 PCFC Y Comp -4832243993.75 mm 161.247 mm 128.301 mm 124.191 mm 166. OCOTILLO 7270 PCFC Z Comp 3434392635.11 mm 74.106 mm 114.637 mm 110.966 mm OCOTILLO 7270 U Comp -100.64 mm -100.640 mm 177.541 mm 131.893 mm OCOTILLO 7270 E Comp -24.08 mm -24.079 mm 20.797 mm 15.450 mm OCOTILLO 7270 N Comp 152.99 mm 152.986 mm 38.927 mm 28.918 mm 167. OCOTILLO CL 0 1984.03.03-20:53:07.656 8984.119 ns 0.921 ns 0.892 ns 168. OCOTILLO CL 1 1984.03.03-20:53:07.656 -10.668 D-14 2.960 D-14 2.865 D-14 169. OCOTILLO CL 2 1984.03.03-20:53:07.656 0.828 D-14/day 3.913 D-14/day 3.787 D-14/day 190. OCOTILLO AT 0 1984.03.03-20:53:07.656 257.029 ps 407.607 ps 394.552 ps OCOTILLO Atm 1984.03.04-06:53:39.840 Avg: 251.710 ps Rms: 11.750 ps Tot_Rms: 251.984 ps || Nat: 45 Dura: 63192.0 sec Tzd_avg: 7872.3 Tzd_rms: 25.6 Wzd_avg: 188.1 Wzd_rms: 27.1 ps Prs_avg: 101089. Pa Tem_avg: 18.1 C Stm_avg: -5.3 C Stm_rms: 3.6 K Spr_avg: -117. Spr_rms: 43. Pa 251. OCOTILLO NG 1984.03.03-20:52:07.656 0.001 mm 0.423 mm 0.409 mm 252. OCOTILLO EG 1984.03.03-20:52:07.656 -0.004 mm 0.423 mm 0.409 mm 253. OCOTILLO NG 1984.03.04-04:52:07.656 0.002 mm 0.381 mm 0.369 mm 254. OCOTILLO EG 1984.03.04-04:52:07.656 -0.003 mm 0.381 mm 0.369 mm 255. OCOTILLO NG 1984.03.04-12:52:07.656 -0.007 mm 0.423 mm 0.409 mm 256. OCOTILLO EG 1984.03.04-12:52:07.656 0.001 mm 0.423 mm 0.409 mm 257. VNDNBERG 7223 PCFC X Comp -2678094958.91 mm 88.090 mm 84.424 mm 81.720 mm 258. VNDNBERG 7223 PCFC Y Comp -4525450820.83 mm -320.832 mm 151.522 mm 146.669 mm 259. VNDNBERG 7223 PCFC Z Comp 3597410129.83 mm -286.173 mm 123.379 mm 119.427 mm VNDNBERG 7223 U Comp 28.12 mm 28.124 mm 207.599 mm 154.223 mm VNDNBERG 7223 E Comp 239.21 mm 239.206 mm 31.272 mm 23.232 mm VNDNBERG 7223 N Comp -366.85 mm -366.848 mm 35.120 mm 26.090 mm 260. VNDNBERG CL 0 1984.03.03-20:53:07.656 -766.790 ns 1.143 ns 1.106 ns 261. VNDNBERG CL 1 1984.03.03-20:53:07.656 -97.806 D-14 3.140 D-14 3.040 D-14 262. VNDNBERG CL 2 1984.03.03-20:53:07.656 8.939 D-14/day 4.670 D-14/day 4.521 D-14/day 283. VNDNBERG AT 0 1984.03.03-20:53:07.656 -299.652 ps 459.245 ps 444.536 ps VNDNBERG Atm 1984.03.04-06:53:39.840 Avg: -291.253 ps Rms: 4.501 ps Tot_Rms: 291.288 ps || Nat: 95 Dura: 69670.0 sec Tzd_avg: 7860.1 Tzd_rms: 15.0 Wzd_avg: 178.8 Wzd_rms: 14.3 ps Prs_avg: 101230. Pa Tem_avg: 17.7 C Stm_avg: 1.7 C Stm_rms: 1.7 K Spr_avg: 56. Spr_rms: 17. Pa 344. VNDNBERG NG 1984.03.03-20:52:07.656 -0.002 mm 0.423 mm 0.409 mm 345. VNDNBERG EG 1984.03.03-20:52:07.656 -0.008 mm 0.423 mm 0.409 mm 346. VNDNBERG NG 1984.03.04-04:52:07.656 0.001 mm 0.381 mm 0.369 mm 347. VNDNBERG EG 1984.03.04-04:52:07.656 -0.003 mm 0.381 mm 0.369 mm 348. VNDNBERG NG 1984.03.04-12:52:07.656 0.004 mm 0.423 mm 0.409 mm 349. VNDNBERG EG 1984.03.04-12:52:07.656 0.003 mm 0.423 mm 0.409 mm Atmosphere Constraint Statistics 1. BLKBUTTE Input 50.00 ps/h RMS 10.72 ps/h NRMS 0.21 share 0.92 count 61 2. MOJAVE12 Input 50.00 ps/h RMS 15.31 ps/h NRMS 0.31 share 0.90 count 61 3. OCOTILLO Input 50.00 ps/h RMS 9.31 ps/h NRMS 0.19 share 0.97 count 61 4. VNDNBERG Input 50.00 ps/h RMS 3.62 ps/h NRMS 0.07 share 0.98 count 61 Overall RMS 10.60 ps/h NRMS 0.21 share 0.94 count 244 Gradient Constraint Statistics 1. BLKBUTTE Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.57 count 6 2. MOJAVE12 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.57 count 6 3. OCOTILLO Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.57 count 6 4. VNDNBERG Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.57 count 6 Overall RMS 0.02 mm/d NRMS 0.01 share 0.57 count 24 Clock Constraint Statistics 1. BLKBUTTE Input 5.00 D-14 RMS 3.02 D-14 NRMS 0.60 share 0.31 count 21 3. OCOTILLO Input 5.00 D-14 RMS 3.40 D-14 NRMS 0.68 share 0.68 count 21 4. VNDNBERG Input 5.00 D-14 RMS 2.15 D-14 NRMS 0.43 share 0.76 count 21 Overall RMS 2.90 D-14 NRMS 0.58 share 0.58 count 63 350. UT1-TAI 1, 1984.03.04-06:34:00.000 -2.5129 ms/d -557.65 micros/d 7316.57 micros/d 7082.23 micros/d EOP epoch (TDT) MJD: 45763.273984 NUT epoch (TDT) MJD: 45763.266874 351. Nutation DPSI wrt apriori model 1984.03.04-06:33:44.136 -0.716 mas 45527.0 microasec 44068.9 microasec Nutation Dx wrt apriori model 1984.03.04-06:33:44.136 -0.311 mas 18048.3 microasec 17470.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.04-06:33:44.136 2.714 mas 45527.0 microasec 44068.9 microasec 352. Nutation DEPS wrt apriori model 1984.03.04-06:33:44.136 7.292 mas 17754.8 microasec 17186.1 microasec Nutation Dy wrt apriori model 1984.03.04-06:33:44.136 7.291 mas 17818.9 microasec 17248.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.04-06:33:44.136 10.035 mas 17754.8 microasec 17186.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1152 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) BLKBUTTE 7269 to MOJAVE12 7222 213868848.55 12.72 213868848.55 12.72 -72.45 8.58 44.77 54.87 BLKBUTTE 7269 to OCOTILLO 7270 97160117.25 50.02 97160117.25 50.02 -54.69 23.30 144.54 223.34 MOJAVE12 7222 to OCOTILLO 7270 299368541.05 44.10 299368541.05 44.10 -113.82 33.45 100.86 224.39 MOJAVE12 7222 to VNDNBERG 7223 351282505.07 31.70 351282505.07 31.70 -510.76 50.17 -24.03 270.59 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:09 Correlator type: Unknown Experiment code: ia164 Mark-3 db_name: $84MAR04XP Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840304_a Ver 2 ia164 Matrix Condition Number = 2.699558555495956E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 5.4 8.1 834.4 2.2 17.1 28.0 RICHMOND MET 20.2 2.1 1018.5 1.1 47.9 3.7 WESTFORD MET -3.0 1.6 1012.8 1.3 18.1 1.2 WETTZELL MET -1.0 1.7 955.6 1.0 70.8 1.6 Run 26091-1744 405 Observation Pairs Available Session started on: 2445764.246000 1984.03.04 17:54:14.400 UTC Nominal duration: 86158.080 sec 00 23:55:58.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 299 41.349 ps 0.76 0.9159 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 303 Number of potentially good observations with QC 5-9: 303 Number of used observations: 299 ( 98.68%) Number of suppressed observations: 4 ( 1.32%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 49 50 62.724 0.85 19840304_a ia164 1984.03.05-05:52:13.4 BAS_STAT HRAS_085 WESTFORD 65 67 28.007 0.70 19840304_a ia164 1984.03.05-05:52:13.4 BAS_STAT HRAS_085 WETTZELL 32 32 45.785 0.79 19840304_a ia164 1984.03.05-05:52:13.4 BAS_STAT RICHMOND WESTFORD 56 56 58.999 0.86 19840304_a ia164 1984.03.05-05:52:13.4 BAS_STAT RICHMOND WETTZELL 26 26 39.561 0.69 19840304_a ia164 1984.03.05-05:52:13.4 BAS_STAT WESTFORD WETTZELL 71 72 37.907 0.69 19840304_a ia164 1984.03.05-05:52:13.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 20 57.021 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 0212+735 J0217+7349 26 28 39 59.565 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 0234+285 J0237+2848 28 28 33 39.591 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 0528+134 J0530+1331 20 20 34 45.079 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 0552+398 J0555+3948 23 23 29 38.400 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 1803+784 J1800+7828 21 21 25 47.776 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 2216-038 J2218-0335 5 5 20 71.623 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 3C273B J1229+0203 23 23 25 22.413 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 3C345 J1642+3948 33 33 34 26.146 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 3C454.3 J2253+1608 16 17 22 45.389 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: 4C39.25 J0927+3902 22 22 31 34.723 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: OJ287 J0854+2006 24 24 30 30.415 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: OQ208 J1407+2827 25 26 32 75.524 19840304_a ia164 1984.03.05-05:52:13.440 SRC_STAT: VR422201 J2202+4216 21 21 31 84.587 19840304_a ia164 1984.03.05-05:52:13.440 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.05-05:51:41 1. HRAS_085 7216 NOAM X Comp -1324211084.08 mm -67.084 mm 10.790 mm 10.326 mm 2. HRAS_085 7216 NOAM Y Comp -5332023168.16 mm -86.164 mm 33.836 mm 32.381 mm 3. HRAS_085 7216 NOAM Z Comp 3232118507.21 mm 200.207 mm 23.166 mm 22.170 mm HRAS_085 7216 U Comp 187.89 mm 187.888 mm 41.063 mm 31.411 mm HRAS_085 7216 E Comp -44.34 mm -44.339 mm 6.869 mm 5.254 mm HRAS_085 7216 N Comp 121.41 mm 121.407 mm 8.041 mm 6.151 mm 4. HRAS_085 AT 0 1984.03.04-17:53:42.216 -274.471 ps 101.632 ps 97.262 ps HRAS_085 Atm 1984.03.05-05:54:14.400 Avg: -240.149 ps Rms: 33.584 ps Tot_Rms: 242.486 ps || Nat: 90 Dura: 86160.0 sec Tzd_avg: 6523.9 Tzd_rms: 30.6 Wzd_avg: 195.2 Wzd_rms: 29.0 ps Prs_avg: 83449. Pa Tem_avg: 5.1 C Stm_avg: -4.9 C Stm_rms: 3.4 K Spr_avg: 139. Spr_rms: 132. Pa 77. HRAS_085 NG 1984.03.04-17:52:42.216 -0.004 mm 0.422 mm 0.404 mm 78. HRAS_085 EG 1984.03.04-17:52:42.216 -0.026 mm 0.422 mm 0.404 mm 79. HRAS_085 NG 1984.03.05-01:52:42.216 -0.008 mm 0.377 mm 0.361 mm 80. HRAS_085 EG 1984.03.05-01:52:42.216 0.004 mm 0.377 mm 0.360 mm 81. HRAS_085 NG 1984.03.05-09:52:42.216 0.032 mm 0.377 mm 0.361 mm 82. HRAS_085 EG 1984.03.05-09:52:42.216 0.006 mm 0.377 mm 0.360 mm 83. HRAS_085 NG 1984.03.05-17:52:42.216 0.016 mm 0.422 mm 0.404 mm 84. HRAS_085 EG 1984.03.05-17:52:42.216 -0.009 mm 0.422 mm 0.404 mm 85. RICHMOND 7219 NOAM X Comp 961257965.97 mm -53.030 mm 8.049 mm 7.703 mm 86. RICHMOND 7219 NOAM Y Comp -5674089924.77 mm 125.227 mm 23.701 mm 22.682 mm 87. RICHMOND 7219 NOAM Z Comp 2740533788.16 mm -9.836 mm 15.548 mm 14.880 mm RICHMOND 7219 U Comp -123.57 mm -123.574 mm 27.242 mm 20.838 mm RICHMOND 7219 E Comp -31.37 mm -31.368 mm 7.579 mm 5.798 mm RICHMOND 7219 N Comp 48.34 mm 48.336 mm 8.291 mm 6.342 mm 88. RICHMOND CL 0 1984.03.04-17:53:42.216 1377.927 ns 0.315 ns 0.302 ns 89. RICHMOND CL 1 1984.03.04-17:53:42.216 -9.057 D-14 2.155 D-14 2.062 D-14 90. RICHMOND CL 2 1984.03.04-17:53:42.216 1.557 D-14/day 1.967 D-14/day 1.882 D-14/day 115. RICHMOND AT 0 1984.03.04-17:53:42.216 -58.711 ps 71.418 ps 68.347 ps RICHMOND Atm 1984.03.05-05:54:14.400 Avg: -65.815 ps Rms: 13.631 ps Tot_Rms: 67.212 ps || Nat: 85 Dura: 83460.0 sec Tzd_avg: 8369.3 Tzd_rms: 19.0 Wzd_avg: 658.1 Wzd_rms: 24.2 ps Prs_avg: 101851. Pa Tem_avg: 20.2 C Stm_avg: -2.4 C Stm_rms: 1.3 K Spr_avg: 139. Spr_rms: 150. Pa 188. RICHMOND NG 1984.03.04-17:52:42.216 0.020 mm 0.422 mm 0.404 mm 189. RICHMOND EG 1984.03.04-17:52:42.216 -0.031 mm 0.422 mm 0.404 mm 190. RICHMOND NG 1984.03.05-01:52:42.216 0.013 mm 0.377 mm 0.361 mm 191. RICHMOND EG 1984.03.05-01:52:42.216 -0.023 mm 0.377 mm 0.360 mm 192. RICHMOND NG 1984.03.05-09:52:42.216 -0.019 mm 0.377 mm 0.361 mm 193. RICHMOND EG 1984.03.05-09:52:42.216 0.017 mm 0.377 mm 0.360 mm 194. RICHMOND NG 1984.03.05-17:52:42.216 -0.032 mm 0.422 mm 0.404 mm 195. RICHMOND EG 1984.03.05-17:52:42.216 0.008 mm 0.422 mm 0.404 mm 196. WESTFORD 7209 NOAM X Comp 1492206596.17 mm 53.170 mm 6.644 mm 6.358 mm 197. WESTFORD 7209 NOAM Y Comp -4458130389.16 mm 132.843 mm 15.068 mm 14.420 mm 198. WESTFORD 7209 NOAM Z Comp 4296015492.98 mm -54.023 mm 13.034 mm 12.474 mm WESTFORD 7209 U Comp -116.87 mm -116.866 mm 18.615 mm 14.239 mm WESTFORD 7209 E Comp 92.59 mm 92.586 mm 7.973 mm 6.099 mm WESTFORD 7209 N Comp 34.11 mm 34.105 mm 5.568 mm 4.259 mm 199. WESTFORD CL 0 1984.03.04-17:53:42.216 -11741.575 ns 0.280 ns 0.268 ns 200. WESTFORD CL 1 1984.03.04-17:53:42.216 -15.029 D-14 2.099 D-14 2.009 D-14 201. WESTFORD CL 2 1984.03.04-17:53:42.216 -10.797 D-14/day 1.842 D-14/day 1.763 D-14/day 226. WESTFORD AT 0 1984.03.04-17:53:42.216 4.819 ps 30.169 ps 28.872 ps WESTFORD Atm 1984.03.05-05:54:14.400 Avg: 14.278 ps Rms: 25.073 ps Tot_Rms: 28.853 ps || Nat: 133 Dura: 86160.0 sec Tzd_avg: 7781.9 Tzd_rms: 51.9 Wzd_avg: 113.1 Wzd_rms: 63.6 ps Prs_avg: 101276. Pa Tem_avg: -3.0 C Stm_avg: 2.4 C Stm_rms: 1.3 K Spr_avg: 225. Spr_rms: 56. Pa 299. WESTFORD NG 1984.03.04-17:52:42.216 -0.021 mm 0.422 mm 0.404 mm 300. WESTFORD EG 1984.03.04-17:52:42.216 0.039 mm 0.421 mm 0.403 mm 301. WESTFORD NG 1984.03.05-01:52:42.216 0.022 mm 0.377 mm 0.360 mm 302. WESTFORD EG 1984.03.05-01:52:42.216 0.015 mm 0.375 mm 0.359 mm 303. WESTFORD NG 1984.03.05-09:52:42.216 -0.018 mm 0.376 mm 0.360 mm 304. WESTFORD EG 1984.03.05-09:52:42.216 0.001 mm 0.376 mm 0.360 mm 305. WESTFORD NG 1984.03.05-17:52:42.216 0.011 mm 0.422 mm 0.404 mm 306. WESTFORD EG 1984.03.05-17:52:42.216 0.031 mm 0.420 mm 0.402 mm 307. WETTZELL 7224 EURA X Comp 4075539907.94 mm 66.945 mm 15.529 mm 14.861 mm 308. WETTZELL 7224 EURA Y Comp 931735142.09 mm -171.906 mm 15.776 mm 15.098 mm 309. WETTZELL 7224 EURA Z Comp 4801629256.65 mm -136.348 mm 23.217 mm 22.219 mm WETTZELL 7224 U Comp -85.50 mm -85.500 mm 25.444 mm 19.463 mm WETTZELL 7224 E Comp -182.50 mm -182.502 mm 15.718 mm 12.024 mm WETTZELL 7224 N Comp -109.57 mm -109.575 mm 11.601 mm 8.874 mm 310. WETTZELL CL 0 1984.03.04-17:53:42.216 608.441 ns 0.329 ns 0.315 ns 311. WETTZELL CL 1 1984.03.04-17:53:42.216 -377.311 D-14 2.205 D-14 2.110 D-14 312. WETTZELL CL 2 1984.03.04-17:53:42.216 -3.507 D-14/day 1.924 D-14/day 1.842 D-14/day 337. WETTZELL AT 0 1984.03.04-17:53:42.216 1.228 ps 37.639 ps 36.021 ps WETTZELL Atm 1984.03.05-05:54:14.400 Avg: -24.359 ps Rms: 14.219 ps Tot_Rms: 28.206 ps || Nat: 87 Dura: 84120.0 sec Tzd_avg: 7362.7 Tzd_rms: 47.4 Wzd_avg: 150.1 Wzd_rms: 41.3 ps Prs_avg: 95563. Pa Tem_avg: -0.9 C Stm_avg: 0.9 C Stm_rms: 0.9 K Spr_avg: 462. Spr_rms: 40. Pa 410. WETTZELL NG 1984.03.04-17:52:42.216 -0.002 mm 0.422 mm 0.404 mm 411. WETTZELL EG 1984.03.04-17:52:42.216 -0.000 mm 0.422 mm 0.404 mm 412. WETTZELL NG 1984.03.05-01:52:42.216 0.001 mm 0.377 mm 0.361 mm 413. WETTZELL EG 1984.03.05-01:52:42.216 0.005 mm 0.377 mm 0.361 mm 414. WETTZELL NG 1984.03.05-09:52:42.216 0.028 mm 0.377 mm 0.361 mm 415. WETTZELL EG 1984.03.05-09:52:42.216 0.006 mm 0.377 mm 0.361 mm 416. WETTZELL NG 1984.03.05-17:52:42.216 0.006 mm 0.422 mm 0.404 mm 417. WETTZELL EG 1984.03.05-17:52:42.216 -0.011 mm 0.422 mm 0.404 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.30 ps/h NRMS 0.27 share 0.90 count 73 2. RICHMOND Input 50.00 ps/h RMS 10.91 ps/h NRMS 0.22 share 0.91 count 73 3. WESTFORD Input 50.00 ps/h RMS 19.20 ps/h NRMS 0.38 share 0.80 count 73 4. WETTZELL Input 50.00 ps/h RMS 13.25 ps/h NRMS 0.27 share 0.87 count 73 Overall RMS 14.49 ps/h NRMS 0.29 share 0.87 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 2.90 D-14 NRMS 0.58 share 0.34 count 25 3. WESTFORD Input 5.00 D-14 RMS 5.60 D-14 NRMS 1.12 share 0.25 count 25 4. WETTZELL Input 5.00 D-14 RMS 1.81 D-14 NRMS 0.36 share 0.33 count 25 Overall RMS 3.79 D-14 NRMS 0.76 share 0.31 count 75 418. UT1-TAI 1, 1984.03.05-05:52:00.000 -2.1128 ms/d -89.21 micros/d 55.09 micros/d 52.72 micros/d EOP epoch (TDT) MJD: 45764.244817 NUT epoch (TDT) MJD: 45764.224791 419. Nutation DPSI wrt apriori model 1984.03.05-05:51:41.256 -1.304 mas 1005.6 microasec 962.3 microasec Nutation Dx wrt apriori model 1984.03.05-05:51:41.256 -0.521 mas 398.8 microasec 381.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.05-05:51:41.256 2.238 mas 1005.6 microasec 962.3 microasec 420. Nutation DEPS wrt apriori model 1984.03.05-05:51:41.256 0.748 mas 335.3 microasec 320.8 microasec Nutation Dy wrt apriori model 1984.03.05-05:51:41.256 0.746 mas 336.7 microasec 322.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.05-05:51:41.256 3.368 mas 335.3 microasec 320.8 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0098 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.05 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632849.33 13.95 2362632849.33 13.95 79.63 8.87 286.27 60.41 HRAS_085 7216 to WESTFORD 7209 3134928059.01 14.31 3134928059.01 14.31 115.87 5.59 326.76 53.68 HRAS_085 7216 to WETTZELL 7224 8417561579.10 39.83 8417561579.10 39.83 308.25 6.95 204.74 51.52 RICHMOND 7219 to WESTFORD 7209 2044501742.28 9.04 2044501742.28 9.04 114.82 5.78 10.14 33.74 RICHMOND 7219 to WETTZELL 7224 7588398471.24 24.26 7588398471.24 24.26 220.47 8.50 -103.20 42.11 WESTFORD 7209 to WETTZELL 7224 5998325326.52 14.70 5998325326.52 14.70 151.74 5.43 -35.72 35.84 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:12 Correlator type: Unknown Experiment code: ia165 Mark-3 db_name: $84MAR09XP Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840309_a Ver 2 ia165 Matrix Condition Number = 9.254042945886630E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.0 7.5 840.2 1.4 7.8 9.2 WESTFORD MET -9.5 2.7 1009.5 1.9 18.3 0.3 WETTZELL MET -3.0 2.1 955.9 1.0 83.9 15.9 Run 26091-1744 205 Observation Pairs Available Session started on: 2445769.261600 1984.03.09 18:16:42.240 UTC Nominal duration: 86158.080 sec 00 23:55:58.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 171 45.456 ps 0.75 0.9881 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 171 Number of potentially good observations with QC 5-9: 171 Number of used observations: 171 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 67 67 33.666 0.71 19840309_a ia165 1984.03.10-06:14:41.2 BAS_STAT HRAS_085 WETTZELL 28 28 81.050 0.82 19840309_a ia165 1984.03.10-06:14:41.2 BAS_STAT WESTFORD WETTZELL 76 76 56.017 0.76 19840309_a ia165 1984.03.10-06:14:41.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 5 5 8 28.390 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 0212+735 J0217+7349 22 22 23 73.239 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 0234+285 J0237+2848 11 11 13 47.012 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 0528+134 J0530+1331 11 11 14 28.043 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 0552+398 J0555+3948 14 14 15 30.186 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 1803+784 J1800+7828 25 25 26 63.034 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 2216-038 J2218-0335 3 3 6 16.622 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 3C273B J1229+0203 7 7 9 41.303 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 3C345 J1642+3948 17 17 19 28.886 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 3C454.3 J2253+1608 7 7 9 50.973 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: 4C39.25 J0927+3902 10 10 15 26.440 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: OJ287 J0854+2006 11 11 13 20.386 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: OQ208 J1407+2827 13 13 15 86.332 19840309_a ia165 1984.03.10-06:14:41.280 SRC_STAT: VR422201 J2202+4216 15 15 20 85.877 19840309_a ia165 1984.03.10-06:14:41.280 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.10-06:14:09 1. HRAS_085 7216 NOAM X Comp -1324211126.37 mm -109.371 mm 13.451 mm 13.370 mm 2. HRAS_085 7216 NOAM Y Comp -5332023036.91 mm 45.094 mm 37.371 mm 37.148 mm 3. HRAS_085 7216 NOAM Z Comp 3232118453.30 mm 146.299 mm 25.839 mm 25.685 mm HRAS_085 7216 U Comp 59.58 mm 59.579 mm 45.123 mm 33.913 mm HRAS_085 7216 E Comp -117.02 mm -117.015 mm 8.954 mm 6.729 mm HRAS_085 7216 N Comp 134.75 mm 134.746 mm 11.354 mm 8.533 mm 4. HRAS_085 CL 0 1984.03.09-18:16:10.056 12098.766 ns 0.332 ns 0.330 ns 5. HRAS_085 CL 1 1984.03.09-18:16:10.056 39.158 D-14 2.125 D-14 2.113 D-14 6. HRAS_085 CL 2 1984.03.09-18:16:10.056 2.293 D-14/day 1.842 D-14/day 1.831 D-14/day 31. HRAS_085 AT 0 1984.03.09-18:16:10.056 -47.521 ps 123.222 ps 122.486 ps HRAS_085 Atm 1984.03.10-06:16:42.240 Avg: -94.197 ps Rms: 35.873 ps Tot_Rms: 100.796 ps || Nat: 81 Dura: 86160.0 sec Tzd_avg: 6488.4 Tzd_rms: 17.2 Wzd_avg: 107.7 Wzd_rms: 12.7 ps Prs_avg: 84015. Pa Tem_avg: 6.6 C Stm_avg: -8.1 C Stm_rms: 5.5 K Spr_avg: 59. Spr_rms: 93. Pa 104. HRAS_085 NG 1984.03.09-18:15:10.056 -0.005 mm 0.422 mm 0.420 mm 105. HRAS_085 EG 1984.03.09-18:15:10.056 -0.020 mm 0.422 mm 0.420 mm 106. HRAS_085 NG 1984.03.10-02:15:10.056 -0.009 mm 0.377 mm 0.375 mm 107. HRAS_085 EG 1984.03.10-02:15:10.056 -0.002 mm 0.377 mm 0.375 mm 108. HRAS_085 NG 1984.03.10-10:15:10.056 0.017 mm 0.377 mm 0.375 mm 109. HRAS_085 EG 1984.03.10-10:15:10.056 0.002 mm 0.377 mm 0.375 mm 110. HRAS_085 NG 1984.03.10-18:15:10.056 -0.022 mm 0.422 mm 0.420 mm 111. HRAS_085 EG 1984.03.10-18:15:10.056 0.013 mm 0.422 mm 0.420 mm 112. WESTFORD 7209 NOAM X Comp 1492206555.02 mm 12.025 mm 10.181 mm 10.120 mm 113. WESTFORD 7209 NOAM Y Comp -4458130406.96 mm 115.043 mm 19.369 mm 19.253 mm 114. WESTFORD 7209 NOAM Z Comp 4296015537.99 mm -9.014 mm 17.023 mm 16.922 mm WESTFORD 7209 U Comp -83.58 mm -83.581 mm 23.426 mm 17.606 mm WESTFORD 7209 E Comp 47.92 mm 47.919 mm 13.031 mm 9.793 mm WESTFORD 7209 N Comp 64.64 mm 64.643 mm 7.072 mm 5.315 mm 115. WESTFORD AT 0 1984.03.09-18:16:10.056 -58.320 ps 42.774 ps 42.519 ps WESTFORD Atm 1984.03.10-06:16:42.240 Avg: -52.205 ps Rms: 15.541 ps Tot_Rms: 54.469 ps || Nat: 123 Dura: 85320.0 sec Tzd_avg: 7697.4 Tzd_rms: 8.3 Wzd_avg: 48.3 Wzd_rms: 12.2 ps Prs_avg: 100952. Pa Tem_avg: -9.6 C Stm_avg: 3.8 C Stm_rms: 1.0 K Spr_avg: 185. Spr_rms: 21. Pa 188. WESTFORD NG 1984.03.09-18:15:10.056 -0.000 mm 0.422 mm 0.419 mm 189. WESTFORD EG 1984.03.09-18:15:10.056 0.020 mm 0.421 mm 0.419 mm 190. WESTFORD NG 1984.03.10-02:15:10.056 -0.011 mm 0.377 mm 0.374 mm 191. WESTFORD EG 1984.03.10-02:15:10.056 0.006 mm 0.376 mm 0.374 mm 192. WESTFORD NG 1984.03.10-10:15:10.056 -0.047 mm 0.377 mm 0.374 mm 193. WESTFORD EG 1984.03.10-10:15:10.056 -0.051 mm 0.376 mm 0.374 mm 194. WESTFORD NG 1984.03.10-18:15:10.056 0.020 mm 0.422 mm 0.419 mm 195. WESTFORD EG 1984.03.10-18:15:10.056 -0.047 mm 0.421 mm 0.418 mm 196. WETTZELL 7224 EURA X Comp 4075539938.35 mm 97.346 mm 16.955 mm 16.854 mm 197. WETTZELL 7224 EURA Y Comp 931735153.86 mm -160.138 mm 22.381 mm 22.247 mm 198. WETTZELL 7224 EURA Z Comp 4801629255.72 mm -137.284 mm 26.006 mm 25.850 mm WETTZELL 7224 U Comp -65.11 mm -65.106 mm 26.876 mm 20.199 mm WETTZELL 7224 E Comp -177.81 mm -177.805 mm 21.295 mm 16.004 mm WETTZELL 7224 N Comp -134.59 mm -134.587 mm 16.996 mm 12.774 mm 199. WETTZELL CL 0 1984.03.09-18:16:10.056 10642.732 ns 0.191 ns 0.190 ns 200. WETTZELL CL 1 1984.03.09-18:16:10.056 -353.358 D-14 2.142 D-14 2.129 D-14 201. WETTZELL CL 2 1984.03.09-18:16:10.056 0.975 D-14/day 1.891 D-14/day 1.880 D-14/day 226. WETTZELL AT 0 1984.03.09-18:16:10.056 -14.795 ps 36.082 ps 35.867 ps WETTZELL Atm 1984.03.10-06:16:42.240 Avg: -20.951 ps Rms: 19.507 ps Tot_Rms: 28.627 ps || Nat: 89 Dura: 86160.0 sec Tzd_avg: 7334.9 Tzd_rms: 2.6 Wzd_avg: 113.8 Wzd_rms: 8.4 ps Prs_avg: 95585. Pa Tem_avg: -3.0 C Stm_avg: 0.7 C Stm_rms: 0.6 K Spr_avg: 387. Spr_rms: 23. Pa 299. WETTZELL NG 1984.03.09-18:15:10.056 -0.001 mm 0.422 mm 0.420 mm 300. WETTZELL EG 1984.03.09-18:15:10.056 -0.010 mm 0.422 mm 0.420 mm 301. WETTZELL NG 1984.03.10-02:15:10.056 0.016 mm 0.377 mm 0.375 mm 302. WETTZELL EG 1984.03.10-02:15:10.056 0.004 mm 0.377 mm 0.375 mm 303. WETTZELL NG 1984.03.10-10:15:10.056 0.006 mm 0.377 mm 0.375 mm 304. WETTZELL EG 1984.03.10-10:15:10.056 0.013 mm 0.377 mm 0.375 mm 305. WETTZELL NG 1984.03.10-18:15:10.056 -0.013 mm 0.422 mm 0.420 mm 306. WETTZELL EG 1984.03.10-18:15:10.056 -0.001 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.97 ps/h NRMS 0.18 share 0.93 count 73 2. WESTFORD Input 50.00 ps/h RMS 14.45 ps/h NRMS 0.29 share 0.82 count 73 3. WETTZELL Input 50.00 ps/h RMS 10.11 ps/h NRMS 0.20 share 0.88 count 73 Overall RMS 11.42 ps/h NRMS 0.23 share 0.88 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.39 D-14 NRMS 0.48 share 0.30 count 25 3. WETTZELL Input 5.00 D-14 RMS 2.52 D-14 NRMS 0.50 share 0.34 count 25 Overall RMS 2.46 D-14 NRMS 0.49 share 0.32 count 50 307. UT1-TAI 1, 1984.03.10-06:14:00.000 -1.6366 ms/d 73.16 micros/d 68.97 micros/d 68.56 micros/d EOP epoch (TDT) MJD: 45769.260095 NUT epoch (TDT) MJD: 45769.267190 308. Nutation DPSI wrt apriori model 1984.03.10-06:14:09.096 2.565 mas 1446.7 microasec 1438.0 microasec Nutation Dx wrt apriori model 1984.03.10-06:14:09.096 1.017 mas 573.9 microasec 570.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.10-06:14:09.096 6.104 mas 1446.7 microasec 1438.0 microasec 309. Nutation DEPS wrt apriori model 1984.03.10-06:14:09.096 1.003 mas 448.4 microasec 445.7 microasec Nutation Dy wrt apriori model 1984.03.10-06:14:09.096 1.007 mas 450.4 microasec 447.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.10-06:14:09.096 2.759 mas 448.4 microasec 445.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1545 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.10 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928052.06 19.16 3134928052.06 19.16 126.49 6.34 148.32 64.46 HRAS_085 7216 to WETTZELL 7224 8417561546.68 50.88 8417561546.68 50.88 390.92 8.58 84.40 63.15 WESTFORD 7209 to WETTZELL 7224 5998325380.02 19.21 5998325380.02 19.21 223.29 6.77 -24.71 42.51 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:15 Correlator type: Unknown Experiment code: ia166 Mark-3 db_name: $84MAR14X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840314_a Ver 2 ia166 Matrix Condition Number = 1.362847918614398E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.1 4.1 839.5 1.4 40.8 0.7 ONSALA60 MET 0.5 0.6 1023.3 2.0 88.3 21.4 WESTFORD MET -1.6 2.6 1009.7 3.2 0.0 0.0 WETTZELL MET 1.3 3.8 943.9 2.6 59.2 5.0 Run 26091-1744 322 Observation Pairs Available Session started on: 2445774.257400 1984.03.14 18:10:39.360 UTC Nominal duration: 85285.440 sec 00 23:41:25.440 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 259 30.180 ps 0.74 0.9305 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 272 Number of potentially good observations with QC 5-9: 272 Number of used observations: 259 ( 95.22%) Number of suppressed observations: 13 ( 4.78%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 25 25 55.060 0.82 19840314_a ia166 1984.03.15-06:01:22.0 BAS_STAT HRAS_085 WESTFORD 66 66 38.799 0.74 19840314_a ia166 1984.03.15-06:01:22.0 BAS_STAT HRAS_085 WETTZELL 25 25 43.348 0.79 19840314_a ia166 1984.03.15-06:01:22.0 BAS_STAT ONSALA60 WESTFORD 44 45 69.258 0.87 19840314_a ia166 1984.03.15-06:01:22.0 BAS_STAT ONSALA60 WETTZELL 49 50 10.929 0.48 19840314_a ia166 1984.03.15-06:01:22.0 BAS_STAT WESTFORD WETTZELL 50 61 42.498 0.75 19840314_a ia166 1984.03.15-06:01:22.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 11 20.625 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 0212+735 J0217+7349 37 39 45 40.849 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 0234+285 J0237+2848 11 12 13 43.555 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 0528+134 J0530+1331 12 14 14 48.050 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 0552+398 J0555+3948 26 28 30 25.464 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 1803+784 J1800+7828 40 40 43 48.233 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 2216-038 J2218-0335 6 6 11 31.045 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 3C273B J1229+0203 8 9 13 9.274 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 3C345 J1642+3948 18 22 24 18.280 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 3C454.3 J2253+1608 14 14 22 21.488 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: 4C39.25 J0927+3902 23 24 27 21.535 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: OJ287 J0854+2006 24 24 25 30.880 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: OQ208 J1407+2827 17 17 20 54.570 19840314_a ia166 1984.03.15-06:01:22.080 SRC_STAT: VR422201 J2202+4216 15 15 24 27.906 19840314_a ia166 1984.03.15-06:01:22.080 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.15-06:00:49 1. HRAS_085 7216 NOAM X Comp -1324211077.19 mm -60.186 mm 14.651 mm 14.132 mm 2. HRAS_085 7216 NOAM Y Comp -5332023056.93 mm 25.074 mm 42.384 mm 40.883 mm 3. HRAS_085 7216 NOAM Z Comp 3232118527.72 mm 220.717 mm 28.845 mm 27.824 mm HRAS_085 7216 U Comp 104.02 mm 104.019 mm 50.750 mm 37.406 mm HRAS_085 7216 E Comp -64.46 mm -64.455 mm 9.534 mm 7.027 mm HRAS_085 7216 N Comp 194.92 mm 194.917 mm 13.289 mm 9.795 mm 4. HRAS_085 CL 0 1984.03.14-18:10:07.176 12069.507 ns 0.348 ns 0.336 ns 5. HRAS_085 CL 1 1984.03.14-18:10:07.176 35.478 D-14 2.111 D-14 2.036 D-14 6. HRAS_085 CL 2 1984.03.14-18:10:07.176 3.975 D-14/day 1.835 D-14/day 1.770 D-14/day 31. HRAS_085 AT 0 1984.03.14-18:10:07.176 -133.608 ps 130.412 ps 125.797 ps HRAS_085 Atm 1984.03.15-06:10:39.360 Avg: -111.267 ps Rms: 29.427 ps Tot_Rms: 115.092 ps || Nat: 75 Dura: 85280.0 sec Tzd_avg: 6548.6 Tzd_rms: 5.6 Wzd_avg: 176.0 Wzd_rms: 9.5 ps Prs_avg: 83954. Pa Tem_avg: 15.9 C Stm_avg: -4.0 C Stm_rms: 2.2 K Spr_avg: 75. Spr_rms: 63. Pa 104. HRAS_085 NG 1984.03.14-18:09:07.176 -0.026 mm 0.422 mm 0.407 mm 105. HRAS_085 EG 1984.03.14-18:09:07.176 -0.010 mm 0.422 mm 0.407 mm 106. HRAS_085 NG 1984.03.15-02:09:07.176 0.002 mm 0.377 mm 0.363 mm 107. HRAS_085 EG 1984.03.15-02:09:07.176 -0.001 mm 0.377 mm 0.363 mm 108. HRAS_085 NG 1984.03.15-10:09:07.176 0.012 mm 0.377 mm 0.364 mm 109. HRAS_085 EG 1984.03.15-10:09:07.176 0.002 mm 0.377 mm 0.364 mm 110. HRAS_085 NG 1984.03.15-18:09:07.176 0.018 mm 0.422 mm 0.407 mm 111. HRAS_085 EG 1984.03.15-18:09:07.176 0.001 mm 0.422 mm 0.407 mm 112. ONSALA60 7213 EURA X Comp 3370605959.85 mm -29.147 mm 12.641 mm 12.193 mm 113. ONSALA60 7213 EURA Y Comp 711917450.50 mm -78.502 mm 15.892 mm 15.329 mm 114. ONSALA60 7213 EURA Z Comp 5349830603.87 mm -162.135 mm 21.596 mm 20.832 mm ONSALA60 7213 U Comp -160.69 mm -160.692 mm 22.783 mm 16.793 mm ONSALA60 7213 E Comp -70.78 mm -70.784 mm 15.191 mm 11.197 mm ONSALA60 7213 N Comp -49.67 mm -49.674 mm 11.352 mm 8.367 mm 115. ONSALA60 CL 0 1984.03.14-18:10:07.176 5878.842 ns 0.175 ns 0.169 ns 116. ONSALA60 CL 1 1984.03.14-18:10:07.176 -31.717 D-14 2.147 D-14 2.071 D-14 117. ONSALA60 CL 2 1984.03.14-18:10:07.176 2.715 D-14/day 1.926 D-14/day 1.857 D-14/day 142. ONSALA60 AT 0 1984.03.14-18:10:07.176 -4.102 ps 53.428 ps 51.537 ps ONSALA60 Atm 1984.03.15-06:10:39.360 Avg: 30.571 ps Rms: 26.443 ps Tot_Rms: 40.420 ps || Nat: 70 Dura: 82340.0 sec Tzd_avg: 7923.8 Tzd_rms: 32.2 Wzd_avg: 188.1 Wzd_rms: 16.9 ps Prs_avg: 102324. Pa Tem_avg: 0.5 C Stm_avg: -1.0 C Stm_rms: 1.3 K Spr_avg: 223. Spr_rms: 33. Pa 215. ONSALA60 NG 1984.03.14-18:09:07.176 -0.007 mm 0.422 mm 0.407 mm 216. ONSALA60 EG 1984.03.14-18:09:07.176 -0.043 mm 0.422 mm 0.407 mm 217. ONSALA60 NG 1984.03.15-02:09:07.176 0.041 mm 0.376 mm 0.363 mm 218. ONSALA60 EG 1984.03.15-02:09:07.176 0.001 mm 0.377 mm 0.363 mm 219. ONSALA60 NG 1984.03.15-10:09:07.176 -0.006 mm 0.376 mm 0.363 mm 220. ONSALA60 EG 1984.03.15-10:09:07.176 0.021 mm 0.377 mm 0.364 mm 221. ONSALA60 NG 1984.03.15-18:09:07.176 -0.014 mm 0.422 mm 0.407 mm 222. ONSALA60 EG 1984.03.15-18:09:07.176 0.015 mm 0.422 mm 0.407 mm 223. WESTFORD 7209 NOAM X Comp 1492206580.33 mm 37.329 mm 10.486 mm 10.114 mm 224. WESTFORD 7209 NOAM Y Comp -4458130355.08 mm 166.917 mm 16.810 mm 16.215 mm 225. WESTFORD 7209 NOAM Z Comp 4296015581.00 mm 33.995 mm 19.186 mm 18.507 mm WESTFORD 7209 U Comp -84.75 mm -84.753 mm 23.534 mm 17.346 mm WESTFORD 7209 E Comp 88.38 mm 88.380 mm 11.543 mm 8.508 mm WESTFORD 7209 N Comp 124.16 mm 124.163 mm 8.578 mm 6.322 mm 226. WESTFORD AT 0 1984.03.14-18:10:07.176 9.950 ps 40.033 ps 38.616 ps WESTFORD Atm 1984.03.15-06:10:39.360 Avg: -27.054 ps Rms: 18.332 ps Tot_Rms: 32.680 ps || Nat: 119 Dura: 85280.0 sec Tzd_avg: 7806.9 Tzd_rms: 18.0 Wzd_avg: 158.5 Wzd_rms: 37.2 ps Prs_avg: 100971. Pa Tem_avg: -1.6 C Stm_avg: 2.9 C Stm_rms: 1.2 K Spr_avg: 170. Spr_rms: 52. Pa 299. WESTFORD NG 1984.03.14-18:09:07.176 0.035 mm 0.422 mm 0.407 mm 300. WESTFORD EG 1984.03.14-18:09:07.176 0.028 mm 0.421 mm 0.406 mm 301. WESTFORD NG 1984.03.15-02:09:07.176 -0.003 mm 0.377 mm 0.363 mm 302. WESTFORD EG 1984.03.15-02:09:07.176 0.041 mm 0.376 mm 0.363 mm 303. WESTFORD NG 1984.03.15-10:09:07.176 -0.029 mm 0.376 mm 0.363 mm 304. WESTFORD EG 1984.03.15-10:09:07.176 0.018 mm 0.376 mm 0.363 mm 305. WESTFORD NG 1984.03.15-18:09:07.176 -0.028 mm 0.422 mm 0.407 mm 306. WESTFORD EG 1984.03.15-18:09:07.176 -0.014 mm 0.421 mm 0.406 mm 307. WETTZELL 7224 EURA X Comp 4075539893.00 mm 52.003 mm 13.199 mm 12.732 mm 308. WETTZELL 7224 EURA Y Comp 931735200.51 mm -113.489 mm 15.924 mm 15.361 mm 309. WETTZELL 7224 EURA Z Comp 4801629300.42 mm -92.577 mm 18.789 mm 18.124 mm WETTZELL 7224 U Comp -53.41 mm -53.406 mm 20.355 mm 15.003 mm WETTZELL 7224 E Comp -122.22 mm -122.225 mm 14.851 mm 10.946 mm WETTZELL 7224 N Comp -79.77 mm -79.773 mm 12.081 mm 8.905 mm 310. WETTZELL CL 0 1984.03.14-18:10:07.176 11127.709 ns 0.186 ns 0.180 ns 311. WETTZELL CL 1 1984.03.14-18:10:07.176 -349.078 D-14 2.166 D-14 2.089 D-14 312. WETTZELL CL 2 1984.03.14-18:10:07.176 2.472 D-14/day 1.939 D-14/day 1.870 D-14/day 337. WETTZELL AT 0 1984.03.14-18:10:07.176 -153.158 ps 61.234 ps 59.067 ps WETTZELL Atm 1984.03.15-06:10:39.360 Avg: -82.761 ps Rms: 47.408 ps Tot_Rms: 95.377 ps || Nat: 73 Dura: 83160.0 sec Tzd_avg: 7304.4 Tzd_rms: 27.8 Wzd_avg: 182.3 Wzd_rms: 8.2 ps Prs_avg: 94391. Pa Tem_avg: 1.4 C Stm_avg: -0.7 C Stm_rms: 2.0 K Spr_avg: 471. Spr_rms: 47. Pa 410. WETTZELL NG 1984.03.14-18:09:07.176 -0.000 mm 0.422 mm 0.407 mm 411. WETTZELL EG 1984.03.14-18:09:07.176 0.033 mm 0.422 mm 0.407 mm 412. WETTZELL NG 1984.03.15-02:09:07.176 -0.025 mm 0.376 mm 0.363 mm 413. WETTZELL EG 1984.03.15-02:09:07.176 0.004 mm 0.377 mm 0.363 mm 414. WETTZELL NG 1984.03.15-10:09:07.176 0.010 mm 0.377 mm 0.363 mm 415. WETTZELL EG 1984.03.15-10:09:07.176 -0.013 mm 0.377 mm 0.363 mm 416. WETTZELL NG 1984.03.15-18:09:07.176 0.012 mm 0.422 mm 0.407 mm 417. WETTZELL EG 1984.03.15-18:09:07.176 -0.010 mm 0.422 mm 0.407 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.05 ps/h NRMS 0.18 share 0.93 count 73 2. ONSALA60 Input 50.00 ps/h RMS 14.24 ps/h NRMS 0.28 share 0.86 count 73 3. WESTFORD Input 50.00 ps/h RMS 13.00 ps/h NRMS 0.26 share 0.82 count 73 4. WETTZELL Input 50.00 ps/h RMS 12.92 ps/h NRMS 0.26 share 0.87 count 73 Overall RMS 12.46 ps/h NRMS 0.25 share 0.87 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.45 D-14 NRMS 0.29 share 0.31 count 25 2. ONSALA60 Input 5.00 D-14 RMS 1.32 D-14 NRMS 0.26 share 0.32 count 25 4. WETTZELL Input 5.00 D-14 RMS 1.72 D-14 NRMS 0.34 share 0.30 count 25 Overall RMS 1.50 D-14 NRMS 0.30 share 0.31 count 75 418. UT1-TAI 1, 1984.03.15-06:01:00.000 -2.3157 ms/d -107.25 micros/d 54.27 micros/d 52.35 micros/d EOP epoch (TDT) MJD: 45774.251067 NUT epoch (TDT) MJD: 45774.223341 419. Nutation DPSI wrt apriori model 1984.03.15-06:00:49.896 -0.240 mas 1164.1 microasec 1122.9 microasec Nutation Dx wrt apriori model 1984.03.15-06:00:49.896 -0.098 mas 461.8 microasec 445.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.15-06:00:49.896 3.428 mas 1164.1 microasec 1122.9 microasec 420. Nutation DEPS wrt apriori model 1984.03.15-06:00:49.896 0.699 mas 362.6 microasec 349.8 microasec Nutation Dy wrt apriori model 1984.03.15-06:00:49.896 0.699 mas 364.3 microasec 351.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.15-06:00:49.896 1.559 mas 362.6 microasec 349.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0544 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.15 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732227.32 46.96 7940732227.32 46.96 236.18 7.61 275.78 61.59 HRAS_085 7216 to WESTFORD 7209 3134928039.98 18.82 3134928039.98 18.82 99.46 5.78 224.80 65.83 HRAS_085 7216 to WETTZELL 7224 8417561530.12 49.74 8417561530.12 49.74 306.51 6.80 167.25 57.78 ONSALA60 7213 to WESTFORD 7209 5600741436.94 16.21 5600741436.94 16.21 92.49 6.69 -113.63 39.77 ONSALA60 7213 to WETTZELL 7224 919661004.08 5.75 919661004.08 5.75 52.60 7.00 -98.63 27.39 WESTFORD 7209 to WETTZELL 7224 5998325345.05 15.85 5998325345.05 15.85 170.63 5.98 7.30 37.53 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:18 Correlator type: Unknown Experiment code: syn284 Mark-3 db_name: $84MAR15X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840315_a Ver 2 syn284 Matrix Condition Number = 1.676739233142916E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.2 4.3 840.4 0.5 38.0 1.2 ONSALA60 MET 1.1 1.2 1023.3 0.8 56.6 16.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 2.2 2.4 1010.2 0.4 13.3 4.0 Run 26091-1744 569 Observation Pairs Available Session started on: 2445775.315200 1984.03.15 19:33:53.280 UTC Nominal duration: 85328.640 sec 00 23:42:08.640 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 77 41.306 ps 0.78 0.9911 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 77 Number of potentially good observations with QC 5-9: 77 Number of used observations: 77 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 77 77 41.306 0.78 19840315_a syn284 1984.03.16-07:24:57.6 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HRAS_085 ONSALA60 0/ 0 deselected baseline 19840315_a syn284 HRAS_085 ONSALA85 0/ 0 deselected baseline 19840315_a syn284 ONSALA60 WESTFORD 0/ 0 deselected baseline 19840315_a syn284 ONSALA85 WESTFORD 0/ 0 deselected baseline 19840315_a syn284 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0133+476 J0136+4751 4 4 22 28.438 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 0218+357 J0221+3556 0 0 20 0.000 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 0235+164 J0238+1636 1 1 11 22.098 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 0528+134 J0530+1331 4 4 21 19.437 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 0749+540 J0753+5352 8 8 32 74.153 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 0812+367 J0815+3635 7 7 35 126.342 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 0828+493 J0832+4913 0 0 30 0.000 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 0917+624 J0921+6215 6 6 33 103.440 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1128+385 J1130+3815 2 2 22 199.246 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1216+487 J1219+4829 0 0 27 0.000 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1354+195 J1357+1919 3 3 17 91.631 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1502+106 J1504+1029 3 3 17 40.836 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1548+056 J1550+0527 3 3 15 31.561 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1606+106 J1608+1029 4 4 20 31.468 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1749+096 J1751+0939 5 5 25 78.010 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 1954+513 J1955+5131 4 4 42 127.732 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 2021+317 J2023+3153 9 9 45 58.736 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 2023+336 J2025+3343 0 0 45 0.000 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 2121+053 J2123+0535 3 3 15 58.515 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 2145+067 J2148+0657 3 3 17 15.124 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: 3C273B J1229+0203 3 3 15 1.243 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: NRAO140 J0336+3218 1 1 23 146.618 19840315_a syn284 1984.03.16-07:24:57.600 SRC_STAT: OQ208 J1407+2827 4 4 20 29.765 19840315_a syn284 1984.03.16-07:24:57.600 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.16-07:24:25 1. HRAS_085 7216 NOAM X Comp -1324211095.64 mm -78.637 mm 76.270 mm 75.928 mm 2. HRAS_085 7216 NOAM Y Comp -5332023060.28 mm 21.717 mm 177.473 mm 176.678 mm 3. HRAS_085 7216 NOAM Z Comp 3232118300.18 mm -6.816 mm 186.574 mm 185.738 mm HRAS_085 7216 U Comp -5.30 mm -5.300 mm 227.308 mm 177.224 mm HRAS_085 7216 E Comp -81.55 mm -81.553 mm 116.517 mm 90.844 mm HRAS_085 7216 N Comp -4.78 mm -4.783 mm 82.936 mm 64.662 mm 4. HRAS_085 CL 0 1984.03.15-19:33:21.096 12303.952 ns 3.091 ns 3.077 ns 5. HRAS_085 CL 1 1984.03.15-19:33:21.096 34.523 D-14 2.661 D-14 2.649 D-14 6. HRAS_085 CL 2 1984.03.15-19:33:21.096 6.798 D-14/day 2.546 D-14/day 2.535 D-14/day 31. HRAS_085 AT 0 1984.03.15-19:33:21.096 -155.041 ps 139.270 ps 138.646 ps HRAS_085 Atm 1984.03.16-07:33:53.280 Avg: -80.375 ps Rms: 28.077 ps Tot_Rms: 85.138 ps || Nat: 134 Dura: 85332.0 sec Tzd_avg: 6554.1 Tzd_rms: 21.0 Wzd_avg: 175.8 Wzd_rms: 25.1 ps Prs_avg: 84048. Pa Tem_avg: 14.6 C Stm_avg: -3.1 C Stm_rms: 1.7 K Spr_avg: 94. Spr_rms: 58. Pa 104. HRAS_085 NG 1984.03.15-19:32:21.096 -0.003 mm 0.422 mm 0.421 mm 105. HRAS_085 EG 1984.03.15-19:32:21.096 0.004 mm 0.422 mm 0.420 mm 106. HRAS_085 NG 1984.03.16-03:32:21.096 0.002 mm 0.377 mm 0.375 mm 107. HRAS_085 EG 1984.03.16-03:32:21.096 -0.006 mm 0.377 mm 0.375 mm 108. HRAS_085 NG 1984.03.16-11:32:21.096 0.000 mm 0.377 mm 0.375 mm 109. HRAS_085 EG 1984.03.16-11:32:21.096 -0.001 mm 0.377 mm 0.375 mm 110. HRAS_085 NG 1984.03.16-19:32:21.096 0.002 mm 0.422 mm 0.421 mm 111. HRAS_085 EG 1984.03.16-19:32:21.096 0.003 mm 0.422 mm 0.420 mm 112. WESTFORD 7209 NOAM X Comp 1492206621.64 mm 78.637 mm 76.270 mm 75.928 mm 113. WESTFORD 7209 NOAM Y Comp -4458130543.72 mm -21.717 mm 177.473 mm 176.678 mm 114. WESTFORD 7209 NOAM Z Comp 4296015553.82 mm 6.816 mm 186.574 mm 185.738 mm WESTFORD 7209 U Comp 38.14 mm 38.140 mm 267.554 mm 208.603 mm WESTFORD 7209 E Comp 67.68 mm 67.678 mm 18.437 mm 14.375 mm WESTFORD 7209 N Comp -25.83 mm -25.826 mm 14.092 mm 10.987 mm 115. WESTFORD AT 0 1984.03.15-19:33:21.096 -842.483 ps 1472.475 ps 1465.880 ps WESTFORD Atm 1984.03.16-07:33:53.280 Avg: -865.678 ps Rms: 14.125 ps Tot_Rms: 865.793 ps || Nat: 113 Dura: 73852.0 sec Tzd_avg: 7810.6 Tzd_rms: 34.0 Wzd_avg: 160.8 Wzd_rms: 32.4 ps Prs_avg: 101020. Pa Tem_avg: 2.4 C Stm_avg: 0.7 C Stm_rms: 1.2 K Spr_avg: 200. Spr_rms: 59. Pa 188. WESTFORD NG 1984.03.15-19:32:21.096 0.001 mm 0.422 mm 0.420 mm 189. WESTFORD EG 1984.03.15-19:32:21.096 -0.003 mm 0.422 mm 0.420 mm 190. WESTFORD NG 1984.03.16-03:32:21.096 -0.004 mm 0.377 mm 0.375 mm 191. WESTFORD EG 1984.03.16-03:32:21.096 0.002 mm 0.377 mm 0.375 mm 192. WESTFORD NG 1984.03.16-11:32:21.096 0.009 mm 0.377 mm 0.375 mm 193. WESTFORD EG 1984.03.16-11:32:21.096 0.004 mm 0.377 mm 0.375 mm 194. WESTFORD NG 1984.03.16-19:32:21.096 0.005 mm 0.422 mm 0.421 mm 195. WESTFORD EG 1984.03.16-19:32:21.096 -0.000 mm 0.422 mm 0.420 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 8.03 ps/h NRMS 0.16 share 0.92 count 73 4. WESTFORD Input 50.00 ps/h RMS 4.89 ps/h NRMS 0.10 share 0.97 count 73 Overall RMS 6.65 ps/h NRMS 0.13 share 0.95 count 146 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.02 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.84 D-14 NRMS 0.37 share 0.45 count 25 Overall RMS 1.84 D-14 NRMS 0.37 share 0.45 count 25 196. UT1-TAI 1, 1984.03.16-07:25:00.000 -1.9318 ms/d 575.76 micros/d 776.38 micros/d 772.90 micros/d EOP epoch (TDT) MJD: 45775.309400 NUT epoch (TDT) MJD: 45775.237072 197. Nutation DPSI wrt apriori model 1984.03.16-07:24:25.416 5.540 mas 6036.0 microasec 6008.9 microasec Nutation Dx wrt apriori model 1984.03.16-07:24:25.416 2.199 mas 2395.3 microasec 2384.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.16-07:24:25.416 9.938 mas 6036.0 microasec 6008.9 microasec 198. Nutation DEPS wrt apriori model 1984.03.16-07:24:25.416 1.221 mas 1672.8 microasec 1665.3 microasec Nutation Dy wrt apriori model 1984.03.16-07:24:25.416 1.229 mas 1681.3 microasec 1673.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.16-07:24:25.416 2.203 mas 1672.8 microasec 1665.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2711 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928110.02165.16 3134928110.02165.16 82.85 23.82 -45.13 510.54 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:21 Correlator type: Unknown Experiment code: ia167 Mark-3 db_name: $84MAR19X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840319_a Ver 2 ia167 Matrix Condition Number = 2.756235125610874E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 6.0 4.1 840.2 0.9 50.9 2.9 RICHMOND MET 20.8 2.6 1013.5 0.9 44.0 3.1 WESTFORD MET 2.6 0.9 1002.6 0.8 94.1 6.8 WETTZELL MET -2.0 4.5 945.1 1.8 39.7 5.3 Run 26091-1744 385 Observation Pairs Available Session started on: 2445779.244200 1984.03.19 17:51:38.880 UTC Nominal duration: 87661.440 sec 01 00:21:01.440 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 308 49.899 ps 0.81 0.9791 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 312 Number of potentially good observations with QC 5-9: 312 Number of used observations: 308 ( 98.72%) Number of suppressed observations: 4 ( 1.28%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 53 55 44.321 0.78 19840319_a ia167 1984.03.20-06:02:09.6 BAS_STAT HRAS_085 WESTFORD 67 68 34.941 0.77 19840319_a ia167 1984.03.20-06:02:09.6 BAS_STAT HRAS_085 WETTZELL 31 31 72.784 0.82 19840319_a ia167 1984.03.20-06:02:09.6 BAS_STAT RICHMOND WESTFORD 58 59 80.312 0.90 19840319_a ia167 1984.03.20-06:02:09.6 BAS_STAT RICHMOND WETTZELL 25 25 41.586 0.74 19840319_a ia167 1984.03.20-06:02:09.6 BAS_STAT WESTFORD WETTZELL 74 74 60.617 0.80 19840319_a ia167 1984.03.20-06:02:09.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 18 20 58.725 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 0212+735 J0217+7349 23 23 36 77.111 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 0234+285 J0237+2848 30 30 31 46.391 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 0528+134 J0530+1331 26 27 37 65.924 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 0552+398 J0555+3948 29 30 32 40.748 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 1803+784 J1800+7828 21 21 22 45.993 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 2216-038 J2218-0335 10 11 17 39.091 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 3C273B J1229+0203 20 20 22 24.570 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 3C345 J1642+3948 24 24 26 32.438 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 3C454.3 J2253+1608 20 20 22 51.659 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: 4C39.25 J0927+3902 23 23 29 44.375 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: OJ287 J0854+2006 30 30 30 49.493 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: OQ208 J1407+2827 20 21 24 118.292 19840319_a ia167 1984.03.20-06:02:09.600 SRC_STAT: VR422201 J2202+4216 14 14 37 62.531 19840319_a ia167 1984.03.20-06:02:09.600 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.20-06:01:37 1. HRAS_085 7216 NOAM X Comp -1324211049.78 mm -32.783 mm 11.211 mm 11.093 mm 2. HRAS_085 7216 NOAM Y Comp -5332023032.02 mm 49.979 mm 34.758 mm 34.393 mm 3. HRAS_085 7216 NOAM Z Comp 3232118442.58 mm 135.583 mm 22.945 mm 22.704 mm HRAS_085 7216 U Comp 34.16 mm 34.156 mm 41.710 mm 33.696 mm HRAS_085 7216 E Comp -43.86 mm -43.862 mm 7.167 mm 5.790 mm HRAS_085 7216 N Comp 137.35 mm 137.350 mm 8.315 mm 6.718 mm 4. HRAS_085 CL 0 1984.03.19-17:51:06.696 12445.243 ns 0.281 ns 0.278 ns 5. HRAS_085 CL 1 1984.03.19-17:51:06.696 37.797 D-14 2.121 D-14 2.098 D-14 6. HRAS_085 CL 2 1984.03.19-17:51:06.696 2.479 D-14/day 1.842 D-14/day 1.823 D-14/day 32. HRAS_085 AT 0 1984.03.19-17:51:06.696 126.843 ps 102.250 ps 101.176 ps HRAS_085 Atm 1984.03.20-06:21:38.880 Avg: 69.063 ps Rms: 30.058 ps Tot_Rms: 75.320 ps || Nat: 85 Dura: 86160.0 sec Tzd_avg: 6479.4 Tzd_rms: 9.0 Wzd_avg: 100.7 Wzd_rms: 9.7 ps Prs_avg: 84023. Pa Tem_avg: 5.7 C Stm_avg: -4.3 C Stm_rms: 2.6 K Spr_avg: 96. Spr_rms: 67. Pa 108. HRAS_085 NG 1984.03.19-17:50:06.696 0.003 mm 0.422 mm 0.418 mm 109. HRAS_085 EG 1984.03.19-17:50:06.696 -0.008 mm 0.422 mm 0.417 mm 110. HRAS_085 NG 1984.03.20-01:50:06.696 -0.000 mm 0.377 mm 0.373 mm 111. HRAS_085 EG 1984.03.20-01:50:06.696 0.013 mm 0.377 mm 0.373 mm 112. HRAS_085 NG 1984.03.20-09:50:06.696 0.004 mm 0.377 mm 0.373 mm 113. HRAS_085 EG 1984.03.20-09:50:06.696 0.013 mm 0.377 mm 0.373 mm 114. HRAS_085 NG 1984.03.20-17:50:06.696 -0.002 mm 0.422 mm 0.417 mm 115. HRAS_085 EG 1984.03.20-17:50:06.696 0.014 mm 0.422 mm 0.418 mm 116. RICHMOND 7219 NOAM X Comp 961257981.53 mm -37.474 mm 8.098 mm 8.013 mm 117. RICHMOND 7219 NOAM Y Comp -5674090019.19 mm 30.814 mm 22.066 mm 21.834 mm 118. RICHMOND 7219 NOAM Z Comp 2740533864.29 mm 66.286 mm 15.569 mm 15.405 mm RICHMOND 7219 U Comp -4.38 mm -4.384 mm 25.722 mm 20.780 mm RICHMOND 7219 E Comp -31.80 mm -31.800 mm 7.811 mm 6.310 mm RICHMOND 7219 N Comp 75.61 mm 75.612 mm 8.498 mm 6.865 mm 119. RICHMOND CL 0 1984.03.19-17:51:06.696 12591.685 ns 0.171 ns 0.170 ns 120. RICHMOND CL 1 1984.03.19-17:51:06.696 -15.013 D-14 2.125 D-14 2.102 D-14 121. RICHMOND CL 2 1984.03.19-17:51:06.696 1.051 D-14/day 1.870 D-14/day 1.850 D-14/day 147. RICHMOND AT 0 1984.03.19-17:51:06.696 -124.369 ps 55.365 ps 54.784 ps RICHMOND Atm 1984.03.20-06:21:38.880 Avg: -121.194 ps Rms: 21.983 ps Tot_Rms: 123.171 ps || Nat: 87 Dura: 87660.0 sec Tzd_avg: 8127.6 Tzd_rms: 41.0 Wzd_avg: 439.7 Wzd_rms: 44.4 ps Prs_avg: 101342. Pa Tem_avg: 20.7 C Stm_avg: -2.7 C Stm_rms: 1.9 K Spr_avg: 34. Spr_rms: 42. Pa 223. RICHMOND NG 1984.03.19-17:50:06.696 0.006 mm 0.422 mm 0.418 mm 224. RICHMOND EG 1984.03.19-17:50:06.696 0.049 mm 0.422 mm 0.417 mm 225. RICHMOND NG 1984.03.20-01:50:06.696 0.015 mm 0.377 mm 0.373 mm 226. RICHMOND EG 1984.03.20-01:50:06.696 -0.029 mm 0.377 mm 0.373 mm 227. RICHMOND NG 1984.03.20-09:50:06.696 -0.005 mm 0.377 mm 0.373 mm 228. RICHMOND EG 1984.03.20-09:50:06.696 -0.026 mm 0.377 mm 0.373 mm 229. RICHMOND NG 1984.03.20-17:50:06.696 -0.008 mm 0.422 mm 0.418 mm 230. RICHMOND EG 1984.03.20-17:50:06.696 -0.019 mm 0.422 mm 0.418 mm 231. WESTFORD 7209 NOAM X Comp 1492206587.15 mm 44.154 mm 7.965 mm 7.882 mm 232. WESTFORD 7209 NOAM Y Comp -4458130407.83 mm 114.167 mm 16.059 mm 15.890 mm 233. WESTFORD 7209 NOAM Z Comp 4296015526.83 mm -20.168 mm 14.953 mm 14.796 mm WESTFORD 7209 U Comp -83.02 mm -83.017 mm 20.829 mm 16.827 mm WESTFORD 7209 E Comp 78.11 mm 78.108 mm 8.784 mm 7.096 mm WESTFORD 7209 N Comp 48.97 mm 48.968 mm 5.825 mm 4.706 mm 234. WESTFORD AT 0 1984.03.19-17:51:06.696 90.311 ps 39.882 ps 39.463 ps WESTFORD Atm 1984.03.20-06:21:38.880 Avg: 27.105 ps Rms: 30.572 ps Tot_Rms: 40.857 ps || Nat: 129 Dura: 87660.0 sec Tzd_avg: 8007.2 Tzd_rms: 20.7 Wzd_avg: 423.9 Wzd_rms: 17.7 ps Prs_avg: 100265. Pa Tem_avg: 2.6 C Stm_avg: 1.7 C Stm_rms: 0.8 K Spr_avg: 207. Spr_rms: 28. Pa 310. WESTFORD NG 1984.03.19-17:50:06.696 -0.007 mm 0.422 mm 0.417 mm 311. WESTFORD EG 1984.03.19-17:50:06.696 -0.056 mm 0.421 mm 0.417 mm 312. WESTFORD NG 1984.03.20-01:50:06.696 -0.011 mm 0.377 mm 0.373 mm 313. WESTFORD EG 1984.03.20-01:50:06.696 0.013 mm 0.376 mm 0.372 mm 314. WESTFORD NG 1984.03.20-09:50:06.696 0.012 mm 0.377 mm 0.373 mm 315. WESTFORD EG 1984.03.20-09:50:06.696 -0.005 mm 0.376 mm 0.372 mm 316. WESTFORD NG 1984.03.20-17:50:06.696 0.014 mm 0.422 mm 0.417 mm 317. WESTFORD EG 1984.03.20-17:50:06.696 -0.010 mm 0.421 mm 0.416 mm 318. WETTZELL 7224 EURA X Comp 4075539867.10 mm 26.102 mm 17.326 mm 17.144 mm 319. WETTZELL 7224 EURA Y Comp 931735119.04 mm -194.960 mm 16.749 mm 16.573 mm 320. WETTZELL 7224 EURA Z Comp 4801629211.30 mm -181.701 mm 25.802 mm 25.531 mm WETTZELL 7224 U Comp -149.21 mm -149.210 mm 28.314 mm 22.873 mm WETTZELL 7224 E Comp -195.87 mm -195.874 mm 17.059 mm 13.781 mm WETTZELL 7224 N Comp -105.24 mm -105.241 mm 12.402 mm 10.019 mm 321. WETTZELL CL 0 1984.03.19-17:51:06.696 9821.475 ns 0.192 ns 0.190 ns 322. WETTZELL CL 1 1984.03.19-17:51:06.696 -357.458 D-14 2.122 D-14 2.100 D-14 323. WETTZELL CL 2 1984.03.19-17:51:06.696 0.632 D-14/day 1.830 D-14/day 1.811 D-14/day 349. WETTZELL AT 0 1984.03.19-17:51:06.696 -39.269 ps 53.596 ps 53.033 ps WETTZELL Atm 1984.03.20-06:21:38.880 Avg: 3.656 ps Rms: 34.401 ps Tot_Rms: 34.594 ps || Nat: 83 Dura: 86160.0 sec Tzd_avg: 7228.5 Tzd_rms: 1.1 Wzd_avg: 95.4 Wzd_rms: 13.5 ps Prs_avg: 94506. Pa Tem_avg: -1.8 C Stm_avg: -0.1 C Stm_rms: 1.1 K Spr_avg: 475. Spr_rms: 27. Pa 425. WETTZELL NG 1984.03.19-17:50:06.696 -0.006 mm 0.422 mm 0.418 mm 426. WETTZELL EG 1984.03.19-17:50:06.696 -0.002 mm 0.422 mm 0.418 mm 427. WETTZELL NG 1984.03.20-01:50:06.696 0.017 mm 0.377 mm 0.373 mm 428. WETTZELL EG 1984.03.20-01:50:06.696 -0.004 mm 0.377 mm 0.373 mm 429. WETTZELL NG 1984.03.20-09:50:06.696 0.014 mm 0.377 mm 0.373 mm 430. WETTZELL EG 1984.03.20-09:50:06.696 0.011 mm 0.377 mm 0.373 mm 431. WETTZELL NG 1984.03.20-17:50:06.696 0.003 mm 0.422 mm 0.418 mm 432. WETTZELL EG 1984.03.20-17:50:06.696 0.012 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.83 ps/h NRMS 0.22 share 0.92 count 76 2. RICHMOND Input 50.00 ps/h RMS 12.63 ps/h NRMS 0.25 share 0.91 count 76 3. WESTFORD Input 50.00 ps/h RMS 12.09 ps/h NRMS 0.24 share 0.82 count 76 4. WETTZELL Input 50.00 ps/h RMS 11.87 ps/h NRMS 0.24 share 0.90 count 76 Overall RMS 11.87 ps/h NRMS 0.24 share 0.89 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.96 D-14 NRMS 0.39 share 0.31 count 26 2. RICHMOND Input 5.00 D-14 RMS 3.46 D-14 NRMS 0.69 share 0.38 count 26 4. WETTZELL Input 5.00 D-14 RMS 1.83 D-14 NRMS 0.37 share 0.38 count 26 Overall RMS 2.53 D-14 NRMS 0.51 share 0.36 count 78 433. UT1-TAI 1, 1984.03.20-06:02:00.000 -2.5924 ms/d -128.79 micros/d 64.38 micros/d 63.71 micros/d EOP epoch (TDT) MJD: 45779.251761 NUT epoch (TDT) MJD: 45779.210161 434. Nutation DPSI wrt apriori model 1984.03.20-06:01:37.416 -0.323 mas 1111.4 microasec 1099.7 microasec Nutation Dx wrt apriori model 1984.03.20-06:01:37.416 -0.128 mas 440.8 microasec 436.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.20-06:01:37.416 3.747 mas 1111.4 microasec 1099.7 microasec 435. Nutation DEPS wrt apriori model 1984.03.20-06:01:37.416 -0.165 mas 385.4 microasec 381.3 microasec Nutation Dy wrt apriori model 1984.03.20-06:01:37.416 -0.165 mas 386.9 microasec 382.9 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.20-06:01:37.416 1.230 mas 385.4 microasec 381.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0719 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632835.29 13.24 2362632835.29 13.24 69.09 8.59 16.06 59.70 HRAS_085 7216 to WESTFORD 7209 3134928010.36 15.86 3134928010.36 15.86 110.42 5.47 144.70 55.08 HRAS_085 7216 to WETTZELL 7224 8417561416.02 41.66 8417561416.02 41.66 322.26 7.85 137.13 54.43 RICHMOND 7219 to WESTFORD 7209 2044501748.78 9.10 2044501748.78 9.10 105.57 6.31 99.58 33.21 RICHMOND 7219 to WETTZELL 7224 7588398477.22 22.85 7588398477.22 22.85 240.29 9.05 47.14 44.53 WESTFORD 7209 to WETTZELL 7224 5998325302.20 16.02 5998325302.20 16.02 175.06 6.30 42.83 42.30 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:24 Correlator type: Unknown Experiment code: ia168 Mark-3 db_name: $84MAR25X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840325_a Ver 2 ia168 Matrix Condition Number = 2.423261771597928E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 10.1 4.4 835.5 0.4 39.5 1.7 RICHMOND MET 21.5 3.5 1011.8 0.4 54.5 4.2 WESTFORD MET 3.4 2.0 1003.2 0.9 13.1 0.1 WETTZELL MET 5.5 2.4 935.9 1.7 38.8 31.8 Run 26091-1744 404 Observation Pairs Available Session started on: 2445784.256300 1984.03.24 18:09:04.320 UTC Nominal duration: 85415.040 sec 00 23:43:35.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 306 46.657 ps 0.94 1.3897 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 315 Number of potentially good observations with QC 5-9: 315 Number of used observations: 306 ( 97.14%) Number of suppressed observations: 9 ( 2.86%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 43 45 49.677 1.20 19840325_a ia168 1984.03.25-06:00:51.8 BAS_STAT HRAS_085 WESTFORD 69 70 34.087 0.79 19840325_a ia168 1984.03.25-06:00:51.8 BAS_STAT HRAS_085 WETTZELL 28 30 78.847 0.94 19840325_a ia168 1984.03.25-06:00:51.8 BAS_STAT RICHMOND WESTFORD 61 63 48.742 1.04 19840325_a ia168 1984.03.25-06:00:51.8 BAS_STAT RICHMOND WETTZELL 25 25 52.157 0.85 19840325_a ia168 1984.03.25-06:00:51.8 BAS_STAT WESTFORD WETTZELL 80 82 48.926 0.86 19840325_a ia168 1984.03.25-06:00:51.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 11 16 18 56.972 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 0212+735 J0217+7349 21 21 32 64.475 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 0234+285 J0237+2848 22 22 25 59.905 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 0528+134 J0530+1331 29 29 33 62.231 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 0552+398 J0555+3948 27 27 36 43.809 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 1803+784 J1800+7828 25 25 25 45.145 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 2216-038 J2218-0335 8 9 15 37.934 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 3C273B J1229+0203 21 21 24 25.607 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 3C345 J1642+3948 32 32 40 32.984 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 3C454.3 J2253+1608 15 16 21 34.759 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: 4C39.25 J0927+3902 24 25 31 47.778 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: OJ287 J0854+2006 30 31 35 41.505 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: OQ208 J1407+2827 28 28 32 100.141 19840325_a ia168 1984.03.25-06:00:51.840 SRC_STAT: VR422201 J2202+4216 13 13 37 104.556 19840325_a ia168 1984.03.25-06:00:51.840 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.25-06:00:19 1. HRAS_085 7216 NOAM X Comp -1324211064.49 mm -47.493 mm 9.876 mm 11.642 mm 2. HRAS_085 7216 NOAM Y Comp -5332023094.93 mm -12.933 mm 32.036 mm 37.766 mm 3. HRAS_085 7216 NOAM Z Comp 3232118485.98 mm 178.983 mm 21.800 mm 25.700 mm HRAS_085 7216 U Comp 111.86 mm 111.857 mm 38.834 mm 36.652 mm HRAS_085 7216 E Comp -42.98 mm -42.976 mm 6.092 mm 5.750 mm HRAS_085 7216 N Comp 141.77 mm 141.771 mm 7.345 mm 6.932 mm 4. HRAS_085 CL 0 1984.03.24-18:08:32.136 12433.403 ns 0.414 ns 0.489 ns 5. HRAS_085 CL 1 1984.03.24-18:08:32.136 37.967 D-14 2.476 D-14 2.919 D-14 6. HRAS_085 CL 2 1984.03.24-18:08:32.136 7.753 D-14/day 2.150 D-14/day 2.534 D-14/day 31. HRAS_085 AT 0 1984.03.24-18:08:32.136 -178.528 ps 105.517 ps 124.390 ps HRAS_085 Atm 1984.03.25-06:09:04.320 Avg: -65.661 ps Rms: 56.669 ps Tot_Rms: 86.734 ps || Nat: 80 Dura: 79980.0 sec Tzd_avg: 6441.8 Tzd_rms: 25.2 Wzd_avg: 96.0 Wzd_rms: 30.6 ps Prs_avg: 83544. Pa Tem_avg: 9.8 C Stm_avg: -6.8 C Stm_rms: 3.6 K Spr_avg: 53. Spr_rms: 67. Pa 104. HRAS_085 NG 1984.03.24-18:07:32.136 0.009 mm 0.422 mm 0.498 mm 105. HRAS_085 EG 1984.03.24-18:07:32.136 0.037 mm 0.422 mm 0.497 mm 106. HRAS_085 NG 1984.03.25-02:07:32.136 0.012 mm 0.377 mm 0.444 mm 107. HRAS_085 EG 1984.03.25-02:07:32.136 0.008 mm 0.377 mm 0.444 mm 108. HRAS_085 NG 1984.03.25-10:07:32.136 0.013 mm 0.377 mm 0.444 mm 109. HRAS_085 EG 1984.03.25-10:07:32.136 -0.010 mm 0.377 mm 0.444 mm 110. HRAS_085 NG 1984.03.25-18:07:32.136 -0.008 mm 0.422 mm 0.498 mm 111. HRAS_085 EG 1984.03.25-18:07:32.136 -0.035 mm 0.422 mm 0.497 mm 112. RICHMOND 7219 NOAM X Comp 961257963.99 mm -55.008 mm 6.762 mm 7.971 mm 113. RICHMOND 7219 NOAM Y Comp -5674089959.63 mm 90.375 mm 20.814 mm 24.537 mm 114. RICHMOND 7219 NOAM Z Comp 2740533835.54 mm 37.542 mm 13.439 mm 15.842 mm RICHMOND 7219 U Comp -72.40 mm -72.404 mm 23.802 mm 22.465 mm RICHMOND 7219 E Comp -39.14 mm -39.140 mm 6.704 mm 6.328 mm RICHMOND 7219 N Comp 76.34 mm 76.345 mm 6.934 mm 6.544 mm 115. RICHMOND CL 0 1984.03.24-18:08:32.136 13134.973 ns 0.157 ns 0.185 ns 116. RICHMOND CL 1 1984.03.24-18:08:32.136 -16.623 D-14 2.108 D-14 2.485 D-14 117. RICHMOND CL 2 1984.03.24-18:08:32.136 5.865 D-14/day 1.836 D-14/day 2.164 D-14/day 142. RICHMOND AT 0 1984.03.24-18:08:32.136 5.666 ps 62.852 ps 74.095 ps RICHMOND Atm 1984.03.25-06:09:04.320 Avg: -14.898 ps Rms: 30.038 ps Tot_Rms: 33.529 ps || Nat: 84 Dura: 85420.0 sec Tzd_avg: 8167.9 Tzd_rms: 61.1 Wzd_avg: 488.7 Wzd_rms: 62.1 ps Prs_avg: 101184. Pa Tem_avg: 21.5 C Stm_avg: -2.8 C Stm_rms: 2.7 K Spr_avg: -35. Spr_rms: 55. Pa 215. RICHMOND NG 1984.03.24-18:07:32.136 -0.002 mm 0.422 mm 0.498 mm 216. RICHMOND EG 1984.03.24-18:07:32.136 0.003 mm 0.422 mm 0.497 mm 217. RICHMOND NG 1984.03.25-02:07:32.136 0.036 mm 0.377 mm 0.444 mm 218. RICHMOND EG 1984.03.25-02:07:32.136 0.039 mm 0.377 mm 0.444 mm 219. RICHMOND NG 1984.03.25-10:07:32.136 -0.000 mm 0.377 mm 0.444 mm 220. RICHMOND EG 1984.03.25-10:07:32.136 -0.025 mm 0.377 mm 0.444 mm 221. RICHMOND NG 1984.03.25-18:07:32.136 -0.013 mm 0.422 mm 0.498 mm 222. RICHMOND EG 1984.03.25-18:07:32.136 -0.018 mm 0.422 mm 0.498 mm 223. WESTFORD 7209 NOAM X Comp 1492206592.77 mm 49.769 mm 6.388 mm 7.531 mm 224. WESTFORD 7209 NOAM Y Comp -4458130404.67 mm 117.328 mm 13.734 mm 16.191 mm 225. WESTFORD 7209 NOAM Z Comp 4296015509.23 mm -37.772 mm 11.500 mm 13.556 mm WESTFORD 7209 U Comp -95.83 mm -95.829 mm 16.656 mm 15.721 mm WESTFORD 7209 E Comp 84.44 mm 84.436 mm 7.791 mm 7.353 mm WESTFORD 7209 N Comp 36.83 mm 36.835 mm 4.852 mm 4.579 mm 226. WESTFORD AT 0 1984.03.24-18:08:32.136 25.408 ps 33.359 ps 39.326 ps WESTFORD Atm 1984.03.25-06:09:04.320 Avg: 9.608 ps Rms: 17.588 ps Tot_Rms: 20.041 ps || Nat: 133 Dura: 85420.0 sec Tzd_avg: 7727.7 Tzd_rms: 13.9 Wzd_avg: 130.9 Wzd_rms: 13.1 ps Prs_avg: 100322. Pa Tem_avg: 3.3 C Stm_avg: 2.2 C Stm_rms: 1.5 K Spr_avg: 212. Spr_rms: 44. Pa 299. WESTFORD NG 1984.03.24-18:07:32.136 0.027 mm 0.422 mm 0.497 mm 300. WESTFORD EG 1984.03.24-18:07:32.136 -0.012 mm 0.421 mm 0.496 mm 301. WESTFORD NG 1984.03.25-02:07:32.136 -0.017 mm 0.376 mm 0.444 mm 302. WESTFORD EG 1984.03.25-02:07:32.136 0.011 mm 0.376 mm 0.443 mm 303. WESTFORD NG 1984.03.25-10:07:32.136 -0.002 mm 0.376 mm 0.444 mm 304. WESTFORD EG 1984.03.25-10:07:32.136 0.059 mm 0.376 mm 0.443 mm 305. WESTFORD NG 1984.03.25-18:07:32.136 0.006 mm 0.422 mm 0.497 mm 306. WESTFORD EG 1984.03.25-18:07:32.136 0.084 mm 0.420 mm 0.496 mm 307. WETTZELL 7224 EURA X Comp 4075539893.73 mm 52.732 mm 13.817 mm 16.289 mm 308. WETTZELL 7224 EURA Y Comp 931735119.23 mm -194.770 mm 15.385 mm 18.137 mm 309. WETTZELL 7224 EURA Z Comp 4801629214.25 mm -178.753 mm 21.495 mm 25.339 mm WETTZELL 7224 U Comp -129.97 mm -129.971 mm 22.934 mm 21.646 mm WETTZELL 7224 E Comp -201.62 mm -201.624 mm 15.260 mm 14.403 mm WETTZELL 7224 N Comp -122.98 mm -122.980 mm 11.437 mm 10.794 mm 310. WETTZELL CL 0 1984.03.24-18:08:32.136 11690.641 ns 0.156 ns 0.184 ns 311. WETTZELL CL 1 1984.03.24-18:08:32.136 -194.778 D-14 2.106 D-14 2.482 D-14 312. WETTZELL CL 2 1984.03.24-18:08:32.136 7.748 D-14/day 1.831 D-14/day 2.158 D-14/day 337. WETTZELL AT 0 1984.03.24-18:08:32.136 -22.021 ps 48.851 ps 57.589 ps WETTZELL Atm 1984.03.25-06:09:04.320 Avg: -17.429 ps Rms: 34.837 ps Tot_Rms: 38.953 ps || Nat: 92 Dura: 85420.0 sec Tzd_avg: 7303.5 Tzd_rms: 26.5 Wzd_avg: 247.6 Wzd_rms: 36.1 ps Prs_avg: 93588. Pa Tem_avg: 5.5 C Stm_avg: 0.9 C Stm_rms: 0.9 K Spr_avg: 512. Spr_rms: 38. Pa 410. WETTZELL NG 1984.03.24-18:07:32.136 -0.020 mm 0.422 mm 0.498 mm 411. WETTZELL EG 1984.03.24-18:07:32.136 -0.005 mm 0.422 mm 0.498 mm 412. WETTZELL NG 1984.03.25-02:07:32.136 -0.002 mm 0.377 mm 0.444 mm 413. WETTZELL EG 1984.03.25-02:07:32.136 0.002 mm 0.377 mm 0.444 mm 414. WETTZELL NG 1984.03.25-10:07:32.136 0.003 mm 0.377 mm 0.444 mm 415. WETTZELL EG 1984.03.25-10:07:32.136 -0.020 mm 0.377 mm 0.444 mm 416. WETTZELL NG 1984.03.25-18:07:32.136 0.003 mm 0.422 mm 0.498 mm 417. WETTZELL EG 1984.03.25-18:07:32.136 -0.009 mm 0.422 mm 0.498 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.61 ps/h NRMS 0.29 share 0.91 count 73 2. RICHMOND Input 50.00 ps/h RMS 17.66 ps/h NRMS 0.35 share 0.90 count 73 3. WESTFORD Input 50.00 ps/h RMS 16.20 ps/h NRMS 0.32 share 0.78 count 73 4. WETTZELL Input 50.00 ps/h RMS 13.66 ps/h NRMS 0.27 share 0.87 count 73 Overall RMS 15.61 ps/h NRMS 0.31 share 0.86 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.49 D-14 NRMS 0.50 share 0.32 count 25 2. RICHMOND Input 5.00 D-14 RMS 4.10 D-14 NRMS 0.82 share 0.30 count 25 4. WETTZELL Input 5.00 D-14 RMS 3.28 D-14 NRMS 0.66 share 0.28 count 25 Overall RMS 3.36 D-14 NRMS 0.67 share 0.30 count 75 418. UT1-TAI 1, 1984.03.25-06:00:00.000 -1.6642 ms/d -44.75 micros/d 60.14 micros/d 70.89 micros/d EOP epoch (TDT) MJD: 45784.250373 NUT epoch (TDT) MJD: 45784.217446 419. Nutation DPSI wrt apriori model 1984.03.25-06:00:19.656 -3.154 mas 1021.9 microasec 1204.7 microasec Nutation Dx wrt apriori model 1984.03.25-06:00:19.656 -1.252 mas 405.2 microasec 477.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.25-06:00:19.656 0.753 mas 1021.9 microasec 1204.7 microasec 420. Nutation DEPS wrt apriori model 1984.03.25-06:00:19.656 -0.796 mas 372.9 microasec 439.6 microasec Nutation Dy wrt apriori model 1984.03.25-06:00:19.656 -0.801 mas 374.3 microasec 441.3 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.25-06:00:19.656 -0.145 mas 372.9 microasec 439.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5282 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632829.84 12.20 2362632829.84 12.20 75.67 7.03 157.98 55.60 HRAS_085 7216 to WESTFORD 7209 3134928026.33 14.03 3134928026.33 14.03 127.14 5.15 233.95 50.31 HRAS_085 7216 to WETTZELL 7224 8417561481.95 37.30 8417561481.95 37.30 341.63 6.59 188.17 49.27 RICHMOND 7219 to WESTFORD 7209 2044501729.73 7.31 2044501729.73 7.31 123.66 5.14 43.45 29.11 RICHMOND 7219 to WETTZELL 7224 7588398452.27 21.72 7588398452.27 21.72 264.60 7.91 -25.43 37.38 WESTFORD 7209 to WETTZELL 7224 5998325310.31 13.93 5998325310.31 13.93 179.89 5.18 14.83 32.47 NNT_POS: 2 stations participated in NNT_POS constraints: HRAS_085 WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:27 Correlator type: Unknown Experiment code: ia169 Mark-3 db_name: $84MAR30X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840330_a Ver 2 ia169 Matrix Condition Number = 5.366630074881024E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 10.6 1.9 835.3 0.8 45.8 1.0 WESTFORD MET -999.0 0.0 -999.0 0.0 0.0 0.0 WETTZELL MET 2.0 0.5 942.3 0.8 97.9 12.8 Run 26091-1744 55 Observation Pairs Available Session started on: 2445789.298400 1984.03.29 19:09:41.760 UTC Nominal duration: 80637.120 sec 00 22:23:57.120 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 31 23.683 ps 0.43 0.8533 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 31 Number of potentially good observations with QC 5-9: 31 Number of used observations: 31 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WETTZELL 31 31 23.683 0.43 19840330_a ia169 1984.03.30-06:21:40.3 BAS_STAT Not included: HRAS_085 WESTFORD 0/ 0 deselected baseline 19840330_a ia169 WESTFORD WETTZELL 0/ 0 deselected baseline 19840330_a ia169 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 1 1 2 23.500 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 0212+735 J0217+7349 5 5 8 36.068 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 0234+285 J0237+2848 2 2 3 3.975 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 0528+134 J0530+1331 0 0 5 0.000 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 0552+398 J0555+3948 4 4 6 10.274 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 1803+784 J1800+7828 4 4 6 22.079 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 2216-038 J2218-0335 0 0 1 0.000 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 3C273B J1229+0203 1 1 2 3.678 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 3C345 J1642+3948 4 4 5 12.436 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 3C454.3 J2253+1608 0 0 2 0.000 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: 4C39.25 J0927+3902 2 2 3 27.791 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: OJ287 J0854+2006 1 1 2 2.222 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: OQ208 J1407+2827 2 2 3 26.028 19840330_a ia169 1984.03.30-06:21:40.320 SRC_STAT: VR422201 J2202+4216 5 5 7 76.449 19840330_a ia169 1984.03.30-06:21:40.320 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.03.30-06:21:08 1. HRAS_085 7216 NOAM X Comp -1324210971.58 mm 45.418 mm 69.160 mm 63.885 mm 2. HRAS_085 7216 NOAM Y Comp -5332022870.41 mm 211.586 mm 127.796 mm 118.048 mm 3. HRAS_085 7216 NOAM Z Comp 3232118338.80 mm 31.803 mm 86.669 mm 80.058 mm HRAS_085 7216 U Comp -169.90 mm -169.897 mm 149.525 mm 64.278 mm HRAS_085 7216 E Comp -6.92 mm -6.919 mm 46.400 mm 19.946 mm HRAS_085 7216 N Comp 137.59 mm 137.586 mm 64.154 mm 27.579 mm 4. HRAS_085 AT 0 1984.03.29-19:09:09.576 460.498 ps 528.222 ps 487.930 ps HRAS_085 Atm 1984.03.30-06:39:41.760 Avg: 494.825 ps Rms: 21.074 ps Tot_Rms: 495.274 ps || Nat: 46 Dura: 80640.0 sec Tzd_avg: 6574.9 Tzd_rms: 68.1 Wzd_avg: 236.7 Wzd_rms: 72.5 ps Prs_avg: 83524. Pa Tem_avg: 10.5 C Stm_avg: -3.0 C Stm_rms: 1.0 K Spr_avg: 73. Spr_rms: 75. Pa 74. HRAS_085 NG 1984.03.29-19:08:09.576 0.001 mm 0.422 mm 0.390 mm 75. HRAS_085 EG 1984.03.29-19:08:09.576 0.001 mm 0.422 mm 0.390 mm 76. HRAS_085 NG 1984.03.30-03:08:09.576 0.001 mm 0.377 mm 0.348 mm 77. HRAS_085 EG 1984.03.30-03:08:09.576 -0.001 mm 0.377 mm 0.348 mm 78. HRAS_085 NG 1984.03.30-11:08:09.576 -0.002 mm 0.377 mm 0.348 mm 79. HRAS_085 EG 1984.03.30-11:08:09.576 -0.002 mm 0.377 mm 0.348 mm 80. HRAS_085 NG 1984.03.30-19:08:09.576 -0.001 mm 0.422 mm 0.390 mm 81. HRAS_085 EG 1984.03.30-19:08:09.576 0.002 mm 0.422 mm 0.390 mm 82. WETTZELL 7224 EURA X Comp 4075539795.58 mm -45.418 mm 69.160 mm 63.885 mm 83. WETTZELL 7224 EURA Y Comp 931735102.41 mm -211.586 mm 127.796 mm 118.048 mm 84. WETTZELL 7224 EURA Z Comp 4801629361.20 mm -31.803 mm 86.669 mm 80.058 mm WETTZELL 7224 U Comp -83.86 mm -83.864 mm 75.279 mm 32.361 mm WETTZELL 7224 E Comp -196.14 mm -196.142 mm 112.660 mm 48.430 mm WETTZELL 7224 N Comp 48.35 mm 48.351 mm 101.328 mm 43.559 mm 85. WETTZELL CL 0 1984.03.29-19:09:09.576 -932.109 ns 1.274 ns 1.177 ns 86. WETTZELL CL 1 1984.03.29-19:09:09.576 -229.631 D-14 2.513 D-14 2.321 D-14 87. WETTZELL CL 2 1984.03.29-19:09:09.576 -2.440 D-14/day 2.341 D-14/day 2.162 D-14/day 111. WETTZELL AT 0 1984.03.29-19:09:09.576 22.737 ps 79.545 ps 73.477 ps WETTZELL Atm 1984.03.30-06:39:41.760 Avg: 17.902 ps Rms: 14.161 ps Tot_Rms: 22.826 ps || Nat: 42 Dura: 80640.0 sec Tzd_avg: 7341.7 Tzd_rms: 30.7 Wzd_avg: 238.4 Wzd_rms: 34.2 ps Prs_avg: 94235. Pa Tem_avg: 2.0 C Stm_avg: 0.7 C Stm_rms: 0.5 K Spr_avg: 539. Spr_rms: 34. Pa 181. WETTZELL NG 1984.03.29-19:08:09.576 0.000 mm 0.422 mm 0.390 mm 182. WETTZELL EG 1984.03.29-19:08:09.576 -0.000 mm 0.422 mm 0.390 mm 183. WETTZELL NG 1984.03.30-03:08:09.576 -0.002 mm 0.377 mm 0.348 mm 184. WETTZELL EG 1984.03.30-03:08:09.576 -0.002 mm 0.377 mm 0.348 mm 185. WETTZELL NG 1984.03.30-11:08:09.576 -0.003 mm 0.377 mm 0.348 mm 186. WETTZELL EG 1984.03.30-11:08:09.576 0.002 mm 0.377 mm 0.348 mm 187. WETTZELL NG 1984.03.30-19:08:09.576 0.004 mm 0.422 mm 0.390 mm 188. WETTZELL EG 1984.03.30-19:08:09.576 -0.002 mm 0.422 mm 0.390 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 5.59 ps/h NRMS 0.11 share 0.97 count 70 3. WETTZELL Input 50.00 ps/h RMS 7.36 ps/h NRMS 0.15 share 0.93 count 70 Overall RMS 6.54 ps/h NRMS 0.13 share 0.95 count 140 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.01 mm/d NRMS 0.00 share 0.54 count 16 Clock Constraint Statistics 3. WETTZELL Input 5.00 D-14 RMS 2.42 D-14 NRMS 0.48 share 0.61 count 24 Overall RMS 2.42 D-14 NRMS 0.48 share 0.61 count 24 189. UT1-TAI 1, 1984.03.30-06:21:00.000 -2.0127 ms/d 34.49 micros/d 148.39 micros/d 137.07 micros/d EOP epoch (TDT) MJD: 45789.264956 NUT epoch (TDT) MJD: 45789.270788 190. Nutation DPSI wrt apriori model 1984.03.30-06:21:08.136 5.972 mas 3588.7 microasec 3315.0 microasec Nutation Dx wrt apriori model 1984.03.30-06:21:08.136 2.377 mas 1422.3 microasec 1313.8 microasec Nutation DPSI wrt Wahr 1980 model 1984.03.30-06:21:08.136 11.068 mas 3588.7 microasec 3315.0 microasec 191. Nutation DEPS wrt apriori model 1984.03.30-06:21:08.136 -0.236 mas 1526.4 microasec 1410.0 microasec Nutation Dy wrt apriori model 1984.03.30-06:21:08.136 -0.228 mas 1531.4 microasec 1414.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.03.30-06:21:08.136 1.058 mas 1526.4 microasec 1410.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square -1.5519 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.03.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WETTZELL 7224 8417561234.65251.58 8417561234.65251.58 173.14 27.40 -114.67 224.64 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:30 Correlator type: Unknown Experiment code: ia170 Mark-3 db_name: $84APR03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840403_a Ver 2 ia170 Matrix Condition Number = 3.091906260771676E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 8.3 4.3 839.9 2.5 44.3 25.6 RICHMOND MET 21.6 1.4 1011.9 1.6 57.1 11.3 WESTFORD MET 8.9 2.6 1011.2 0.8 13.8 0.0 WETTZELL MET -0.2 1.8 941.1 0.3 97.0 8.3 Run 26091-1744 385 Observation Pairs Available Session started on: 2445794.260400 1984.04.03 18:14:58.560 UTC Nominal duration: 86927.040 sec 01 00:08:47.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 292 61.748 ps 1.04 1.6305 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 293 Number of potentially good observations with QC 5-9: 293 Number of used observations: 292 ( 99.66%) Number of suppressed observations: 1 ( 0.34%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 53 53 47.225 1.28 19840403_a ia170 1984.04.04-06:19:22.0 BAS_STAT HRAS_085 WESTFORD 65 65 64.389 0.91 19840403_a ia170 1984.04.04-06:19:22.0 BAS_STAT HRAS_085 WETTZELL 29 29 75.725 0.91 19840403_a ia170 1984.04.04-06:19:22.0 BAS_STAT RICHMOND WESTFORD 60 60 105.104 1.16 19840403_a ia170 1984.04.04-06:19:22.0 BAS_STAT RICHMOND WETTZELL 22 23 86.563 1.04 19840403_a ia170 1984.04.04-06:19:22.0 BAS_STAT WESTFORD WETTZELL 63 63 52.846 0.84 19840403_a ia170 1984.04.04-06:19:22.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 18 78.232 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 0212+735 J0217+7349 23 23 36 110.242 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 0234+285 J0237+2848 24 25 28 65.905 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 0528+134 J0530+1331 22 22 31 102.161 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 0552+398 J0555+3948 27 27 33 60.685 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 1803+784 J1800+7828 15 15 17 78.877 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 2216-038 J2218-0335 14 14 20 51.724 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 3C273B J1229+0203 22 22 24 28.869 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 3C345 J1642+3948 27 27 35 41.342 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 3C454.3 J2253+1608 18 18 25 63.351 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: 4C39.25 J0927+3902 19 19 25 49.678 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: OJ287 J0854+2006 30 30 32 57.834 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: OQ208 J1407+2827 22 22 31 119.295 19840403_a ia170 1984.04.04-06:19:22.080 SRC_STAT: VR422201 J2202+4216 16 16 30 100.931 19840403_a ia170 1984.04.04-06:19:22.080 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.04-06:18:49 1. HRAS_085 7216 NOAM X Comp -1324211056.17 mm -39.171 mm 12.117 mm 15.472 mm 2. HRAS_085 7216 NOAM Y Comp -5332023154.75 mm -72.748 mm 36.709 mm 46.874 mm 3. HRAS_085 7216 NOAM Z Comp 3232118511.06 mm 204.058 mm 24.800 mm 31.667 mm HRAS_085 7216 U Comp 172.86 mm 172.858 mm 44.346 mm 45.920 mm HRAS_085 7216 E Comp -20.48 mm -20.482 mm 7.645 mm 7.916 mm HRAS_085 7216 N Comp 134.78 mm 134.784 mm 9.187 mm 9.514 mm 4. HRAS_085 CL 0 1984.04.03-18:14:26.376 3384.263 ns 0.396 ns 0.505 ns 5. HRAS_085 CL 1 1984.04.03-18:14:26.376 9.069 D-14 2.304 D-14 2.942 D-14 6. HRAS_085 CL 2 1984.04.03-18:14:26.376 -7.576 D-14/day 1.963 D-14/day 2.507 D-14/day 32. HRAS_085 AT 0 1984.04.03-18:14:26.376 -91.520 ps 117.034 ps 149.443 ps HRAS_085 Atm 1984.04.04-06:44:58.560 Avg: -125.806 ps Rms: 41.888 ps Tot_Rms: 132.596 ps || Nat: 88 Dura: 86160.0 sec Tzd_avg: 6479.9 Tzd_rms: 8.9 Wzd_avg: 102.4 Wzd_rms: 5.4 ps Prs_avg: 83997. Pa Tem_avg: 8.2 C Stm_avg: -2.6 C Stm_rms: 1.1 K Spr_avg: 86. Spr_rms: 112. Pa 108. HRAS_085 NG 1984.04.03-18:13:26.376 -0.011 mm 0.422 mm 0.539 mm 109. HRAS_085 EG 1984.04.03-18:13:26.376 -0.024 mm 0.422 mm 0.539 mm 110. HRAS_085 NG 1984.04.04-02:13:26.376 -0.004 mm 0.377 mm 0.481 mm 111. HRAS_085 EG 1984.04.04-02:13:26.376 -0.037 mm 0.377 mm 0.481 mm 112. HRAS_085 NG 1984.04.04-10:13:26.376 0.015 mm 0.377 mm 0.481 mm 113. HRAS_085 EG 1984.04.04-10:13:26.376 0.076 mm 0.377 mm 0.481 mm 114. HRAS_085 NG 1984.04.04-18:13:26.376 -0.022 mm 0.422 mm 0.539 mm 115. HRAS_085 EG 1984.04.04-18:13:26.376 0.048 mm 0.422 mm 0.539 mm 116. RICHMOND 7219 NOAM X Comp 961258004.74 mm -14.258 mm 8.194 mm 10.463 mm 117. RICHMOND 7219 NOAM Y Comp -5674089977.08 mm 72.916 mm 21.813 mm 27.853 mm 118. RICHMOND 7219 NOAM Z Comp 2740533807.59 mm 9.591 mm 15.610 mm 19.933 mm RICHMOND 7219 U Comp -62.83 mm -62.828 mm 25.304 mm 26.202 mm RICHMOND 7219 E Comp -1.88 mm -1.878 mm 8.267 mm 8.561 mm RICHMOND 7219 N Comp 40.76 mm 40.757 mm 8.831 mm 9.145 mm 119. RICHMOND CL 0 1984.04.03-18:14:26.376 2390.392 ns 0.200 ns 0.256 ns 120. RICHMOND CL 1 1984.04.03-18:14:26.376 -70.490 D-14 2.189 D-14 2.795 D-14 121. RICHMOND CL 2 1984.04.03-18:14:26.376 -9.662 D-14/day 1.893 D-14/day 2.417 D-14/day 147. RICHMOND AT 0 1984.04.03-18:14:26.376 64.905 ps 47.010 ps 60.028 ps RICHMOND Atm 1984.04.04-06:44:58.560 Avg: 26.359 ps Rms: 54.336 ps Tot_Rms: 60.392 ps || Nat: 87 Dura: 86920.0 sec Tzd_avg: 8413.1 Tzd_rms: 76.7 Wzd_avg: 736.2 Wzd_rms: 86.8 ps Prs_avg: 101191. Pa Tem_avg: 21.6 C Stm_avg: -3.4 C Stm_rms: 0.9 K Spr_avg: -107. Spr_rms: 54. Pa 223. RICHMOND NG 1984.04.03-18:13:26.376 0.016 mm 0.422 mm 0.539 mm 224. RICHMOND EG 1984.04.03-18:13:26.376 0.039 mm 0.422 mm 0.539 mm 225. RICHMOND NG 1984.04.04-02:13:26.376 0.008 mm 0.377 mm 0.481 mm 226. RICHMOND EG 1984.04.04-02:13:26.376 0.089 mm 0.377 mm 0.481 mm 227. RICHMOND NG 1984.04.04-10:13:26.376 -0.021 mm 0.377 mm 0.481 mm 228. RICHMOND EG 1984.04.04-10:13:26.376 -0.046 mm 0.377 mm 0.481 mm 229. RICHMOND NG 1984.04.04-18:13:26.376 0.002 mm 0.422 mm 0.539 mm 230. RICHMOND EG 1984.04.04-18:13:26.376 -0.057 mm 0.422 mm 0.539 mm 231. WESTFORD 7209 NOAM X Comp 1492206598.63 mm 55.628 mm 8.447 mm 10.786 mm 232. WESTFORD 7209 NOAM Y Comp -4458130386.95 mm 135.052 mm 16.992 mm 21.698 mm 233. WESTFORD 7209 NOAM Z Comp 4296015505.84 mm -41.156 mm 15.669 mm 20.008 mm WESTFORD 7209 U Comp -109.12 mm -109.122 mm 21.906 mm 22.684 mm WESTFORD 7209 E Comp 95.62 mm 95.618 mm 9.319 mm 9.650 mm WESTFORD 7209 N Comp 44.46 mm 44.465 mm 6.234 mm 6.455 mm 234. WESTFORD AT 0 1984.04.03-18:14:26.376 29.649 ps 46.709 ps 59.643 ps WESTFORD Atm 1984.04.04-06:44:58.560 Avg: 8.676 ps Rms: 14.540 ps Tot_Rms: 16.932 ps || Nat: 116 Dura: 82820.0 sec Tzd_avg: 7815.1 Tzd_rms: 44.3 Wzd_avg: 157.3 Wzd_rms: 42.3 ps Prs_avg: 101120. Pa Tem_avg: 8.8 C Stm_avg: 0.8 C Stm_rms: 1.0 K Spr_avg: 196. Spr_rms: 56. Pa 310. WESTFORD NG 1984.04.03-18:13:26.376 -0.012 mm 0.422 mm 0.539 mm 311. WESTFORD EG 1984.04.03-18:13:26.376 0.013 mm 0.421 mm 0.538 mm 312. WESTFORD NG 1984.04.04-02:13:26.376 -0.016 mm 0.377 mm 0.481 mm 313. WESTFORD EG 1984.04.04-02:13:26.376 0.015 mm 0.376 mm 0.480 mm 314. WESTFORD NG 1984.04.04-10:13:26.376 0.020 mm 0.377 mm 0.481 mm 315. WESTFORD EG 1984.04.04-10:13:26.376 0.021 mm 0.376 mm 0.480 mm 316. WESTFORD NG 1984.04.04-18:13:26.376 0.019 mm 0.422 mm 0.539 mm 317. WESTFORD EG 1984.04.04-18:13:26.376 0.051 mm 0.421 mm 0.538 mm 318. WETTZELL 7224 EURA X Comp 4075539838.80 mm -2.199 mm 18.918 mm 24.157 mm 319. WETTZELL 7224 EURA Y Comp 931735178.78 mm -135.221 mm 17.817 mm 22.751 mm 320. WETTZELL 7224 EURA Z Comp 4801629220.51 mm -172.493 mm 27.773 mm 35.464 mm WETTZELL 7224 U Comp -151.58 mm -151.584 mm 30.609 mm 31.695 mm WETTZELL 7224 E Comp -131.33 mm -131.330 mm 18.140 mm 18.784 mm WETTZELL 7224 N Comp -88.42 mm -88.420 mm 13.444 mm 13.922 mm 321. WETTZELL CL 0 1984.04.03-18:14:26.376 1226.116 ns 0.268 ns 0.342 ns 322. WETTZELL CL 1 1984.04.03-18:14:26.376 -246.625 D-14 2.303 D-14 2.940 D-14 323. WETTZELL CL 2 1984.04.03-18:14:26.376 -10.512 D-14/day 1.977 D-14/day 2.524 D-14/day 349. WETTZELL AT 0 1984.04.03-18:14:26.376 42.046 ps 45.532 ps 58.141 ps WETTZELL Atm 1984.04.04-06:44:58.560 Avg: 20.084 ps Rms: 13.378 ps Tot_Rms: 24.132 ps || Nat: 80 Dura: 83440.0 sec Tzd_avg: 7295.2 Tzd_rms: 20.2 Wzd_avg: 199.4 Wzd_rms: 24.7 ps Prs_avg: 94111. Pa Tem_avg: -0.1 C Stm_avg: -0.1 C Stm_rms: 1.3 K Spr_avg: 531. Spr_rms: 33. Pa 425. WETTZELL NG 1984.04.03-18:13:26.376 0.002 mm 0.422 mm 0.539 mm 426. WETTZELL EG 1984.04.03-18:13:26.376 0.007 mm 0.422 mm 0.539 mm 427. WETTZELL NG 1984.04.04-02:13:26.376 0.020 mm 0.377 mm 0.481 mm 428. WETTZELL EG 1984.04.04-02:13:26.376 0.004 mm 0.377 mm 0.481 mm 429. WETTZELL NG 1984.04.04-10:13:26.376 0.013 mm 0.377 mm 0.481 mm 430. WETTZELL EG 1984.04.04-10:13:26.376 0.004 mm 0.377 mm 0.481 mm 431. WETTZELL NG 1984.04.04-18:13:26.376 0.006 mm 0.422 mm 0.539 mm 432. WETTZELL EG 1984.04.04-18:13:26.376 -0.006 mm 0.422 mm 0.539 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 19.74 ps/h NRMS 0.39 share 0.93 count 76 2. RICHMOND Input 50.00 ps/h RMS 24.79 ps/h NRMS 0.50 share 0.91 count 76 3. WESTFORD Input 50.00 ps/h RMS 15.77 ps/h NRMS 0.32 share 0.84 count 76 4. WETTZELL Input 50.00 ps/h RMS 11.63 ps/h NRMS 0.23 share 0.88 count 76 Overall RMS 18.63 ps/h NRMS 0.37 share 0.89 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.12 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.48 D-14 NRMS 0.50 share 0.35 count 26 2. RICHMOND Input 5.00 D-14 RMS 3.87 D-14 NRMS 0.77 share 0.34 count 26 4. WETTZELL Input 5.00 D-14 RMS 2.58 D-14 NRMS 0.52 share 0.45 count 26 Overall RMS 3.04 D-14 NRMS 0.61 share 0.38 count 78 433. UT1-TAI 1, 1984.04.04-06:19:00.000 -1.8050 ms/d 93.35 micros/d 80.45 micros/d 102.73 micros/d EOP epoch (TDT) MJD: 45794.263567 NUT epoch (TDT) MJD: 45794.229128 434. Nutation DPSI wrt apriori model 1984.04.04-06:18:49.896 1.430 mas 1229.9 microasec 1570.4 microasec Nutation Dx wrt apriori model 1984.04.04-06:18:49.896 0.568 mas 487.5 microasec 622.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.04-06:18:49.896 6.340 mas 1229.9 microasec 1570.4 microasec 435. Nutation DEPS wrt apriori model 1984.04.04-06:18:49.896 0.155 mas 489.3 microasec 624.8 microasec Nutation Dy wrt apriori model 1984.04.04-06:18:49.896 0.157 mas 491.0 microasec 627.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.04-06:18:49.896 1.027 mas 489.3 microasec 624.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.7969 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632866.11 13.49 2362632866.11 13.49 93.51 7.66 221.41 61.81 HRAS_085 7216 to WESTFORD 7209 3134928036.08 17.04 3134928036.08 17.04 104.33 6.80 312.77 58.57 HRAS_085 7216 to WETTZELL 7224 8417561526.69 44.62 8417561526.69 44.62 248.33 8.55 277.03 59.10 RICHMOND 7219 to WESTFORD 7209 2044501760.28 9.72 2044501760.28 9.72 82.78 6.11 64.77 33.13 RICHMOND 7219 to WETTZELL 7224 7588398489.33 23.92 7588398489.33 23.92 157.02 9.56 32.08 46.26 WESTFORD 7209 to WETTZELL 7224 5998325322.53 17.24 5998325322.53 17.24 115.61 6.79 50.28 45.07 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:33 Correlator type: Unknown Experiment code: ia171 Mark-3 db_name: $84APR08X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840408_a Ver 2 ia171 Matrix Condition Number = 5.182528278101867E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.0 3.0 836.2 0.5 45.5 1.1 RICHMOND MET 21.2 1.5 1013.3 0.9 43.8 13.2 WESTFORD MET 1.7 1.5 1012.7 2.3 55.8 28.4 WETTZELL MET 4.4 2.2 950.2 0.2 97.3 22.6 Run 26091-1744 315 Observation Pairs Available Session started on: 2445799.305300 1984.04.08 19:19:37.920 UTC Nominal duration: 81086.400 sec 00 22:31:26.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 206 49.769 ps 0.83 1.1433 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 238 Number of potentially good observations with QC 5-9: 238 Number of used observations: 206 ( 86.55%) Number of suppressed observations: 32 ( 13.45%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 39 43 33.829 0.82 19840408_a ia171 1984.04.09-06:35:21.1 BAS_STAT HRAS_085 WESTFORD 55 67 51.591 0.82 19840408_a ia171 1984.04.09-06:35:21.1 BAS_STAT HRAS_085 WETTZELL 16 16 46.268 0.72 19840408_a ia171 1984.04.09-06:35:21.1 BAS_STAT RICHMOND WESTFORD 46 50 92.349 0.97 19840408_a ia171 1984.04.09-06:35:21.1 BAS_STAT RICHMOND WETTZELL 18 18 68.126 0.78 19840408_a ia171 1984.04.09-06:35:21.1 BAS_STAT WESTFORD WETTZELL 32 44 42.720 0.75 19840408_a ia171 1984.04.09-06:35:21.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 11 13 74.187 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 0212+735 J0217+7349 11 14 19 56.836 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 0234+285 J0237+2848 14 17 19 51.364 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 0528+134 J0530+1331 15 17 22 57.769 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 0552+398 J0555+3948 13 15 22 50.764 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 1803+784 J1800+7828 16 18 19 60.558 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 2216-038 J2218-0335 2 7 16 16.379 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 3C273B J1229+0203 16 16 23 21.236 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 3C345 J1642+3948 25 26 33 41.055 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 3C454.3 J2253+1608 9 16 21 46.760 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: 4C39.25 J0927+3902 19 19 24 44.945 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: OJ287 J0854+2006 22 22 25 48.154 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: OQ208 J1407+2827 27 27 30 103.181 19840408_a ia171 1984.04.09-06:35:21.120 SRC_STAT: VR422201 J2202+4216 8 13 29 111.249 19840408_a ia171 1984.04.09-06:35:21.120 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.09-06:34:48 1. HRAS_085 7216 NOAM X Comp -1324211048.10 mm -31.104 mm 15.926 mm 17.028 mm 2. HRAS_085 7216 NOAM Y Comp -5332023081.36 mm 0.640 mm 47.880 mm 51.195 mm 3. HRAS_085 7216 NOAM Z Comp 3232118480.84 mm 173.838 mm 31.284 mm 33.450 mm HRAS_085 7216 U Comp 94.50 mm 94.503 mm 57.185 mm 47.722 mm HRAS_085 7216 E Comp -30.34 mm -30.341 mm 10.587 mm 8.835 mm HRAS_085 7216 N Comp 146.07 mm 146.069 mm 11.939 mm 9.963 mm 4. HRAS_085 AT 0 1984.04.08-19:19:05.736 -15.125 ps 145.335 ps 155.397 ps HRAS_085 Atm 1984.04.09-06:49:37.920 Avg: -16.368 ps Rms: 4.036 ps Tot_Rms: 16.858 ps || Nat: 83 Dura: 81080.0 sec Tzd_avg: 6483.6 Tzd_rms: 23.0 Wzd_avg: 131.1 Wzd_rms: 19.0 ps Prs_avg: 83615. Pa Tem_avg: 13.2 C Stm_avg: -4.5 C Stm_rms: 1.8 K Spr_avg: 20. Spr_rms: 65. Pa 74. HRAS_085 NG 1984.04.08-19:18:05.736 -0.004 mm 0.422 mm 0.451 mm 75. HRAS_085 EG 1984.04.08-19:18:05.736 0.035 mm 0.422 mm 0.451 mm 76. HRAS_085 NG 1984.04.09-03:18:05.736 -0.011 mm 0.377 mm 0.403 mm 77. HRAS_085 EG 1984.04.09-03:18:05.736 0.004 mm 0.377 mm 0.403 mm 78. HRAS_085 NG 1984.04.09-11:18:05.736 -0.007 mm 0.377 mm 0.403 mm 79. HRAS_085 EG 1984.04.09-11:18:05.736 -0.008 mm 0.377 mm 0.403 mm 80. HRAS_085 NG 1984.04.09-19:18:05.736 -0.005 mm 0.422 mm 0.452 mm 81. HRAS_085 EG 1984.04.09-19:18:05.736 -0.008 mm 0.422 mm 0.452 mm 82. RICHMOND 7219 NOAM X Comp 961257995.72 mm -23.283 mm 11.308 mm 12.091 mm 83. RICHMOND 7219 NOAM Y Comp -5674089985.67 mm 64.326 mm 32.334 mm 34.572 mm 84. RICHMOND 7219 NOAM Z Comp 2740533844.58 mm 46.584 mm 21.966 mm 23.487 mm RICHMOND 7219 U Comp -40.56 mm -40.558 mm 37.138 mm 30.993 mm RICHMOND 7219 E Comp -12.21 mm -12.212 mm 11.314 mm 9.441 mm RICHMOND 7219 N Comp 71.11 mm 71.105 mm 12.190 mm 10.173 mm 85. RICHMOND CL 0 1984.04.08-19:19:05.736 -1567.787 ns 0.451 ns 0.482 ns 86. RICHMOND CL 1 1984.04.08-19:19:05.736 -90.552 D-14 2.394 D-14 2.560 D-14 87. RICHMOND CL 2 1984.04.08-19:19:05.736 -0.762 D-14/day 2.572 D-14/day 2.750 D-14/day 111. RICHMOND AT 0 1984.04.08-19:19:05.736 -125.290 ps 65.494 ps 70.028 ps RICHMOND Atm 1984.04.09-06:49:37.920 Avg: -4.949 ps Rms: 51.882 ps Tot_Rms: 52.118 ps || Nat: 69 Dura: 73500.0 sec Tzd_avg: 8263.2 Tzd_rms: 113.3 Wzd_avg: 575.8 Wzd_rms: 127.7 ps Prs_avg: 101327. Pa Tem_avg: 21.2 C Stm_avg: -2.4 C Stm_rms: 1.1 K Spr_avg: -34. Spr_rms: 83. Pa 181. RICHMOND NG 1984.04.08-19:18:05.736 -0.014 mm 0.422 mm 0.451 mm 182. RICHMOND EG 1984.04.08-19:18:05.736 -0.021 mm 0.422 mm 0.451 mm 183. RICHMOND NG 1984.04.09-03:18:05.736 0.006 mm 0.377 mm 0.403 mm 184. RICHMOND EG 1984.04.09-03:18:05.736 -0.005 mm 0.377 mm 0.403 mm 185. RICHMOND NG 1984.04.09-11:18:05.736 0.012 mm 0.377 mm 0.403 mm 186. RICHMOND EG 1984.04.09-11:18:05.736 0.013 mm 0.377 mm 0.403 mm 187. RICHMOND NG 1984.04.09-19:18:05.736 0.010 mm 0.422 mm 0.452 mm 188. RICHMOND EG 1984.04.09-19:18:05.736 0.006 mm 0.422 mm 0.452 mm 189. WESTFORD 7209 NOAM X Comp 1492206608.77 mm 65.767 mm 11.449 mm 12.242 mm 190. WESTFORD 7209 NOAM Y Comp -4458130412.36 mm 109.640 mm 20.299 mm 21.704 mm 191. WESTFORD 7209 NOAM Z Comp 4296015534.78 mm -12.222 mm 19.394 mm 20.737 mm WESTFORD 7209 U Comp -69.43 mm -69.429 mm 26.339 mm 21.981 mm WESTFORD 7209 E Comp 97.17 mm 97.166 mm 12.661 mm 10.566 mm WESTFORD 7209 N Comp 47.26 mm 47.264 mm 8.076 mm 6.739 mm 192. WESTFORD CL 0 1984.04.08-19:19:05.736 -3027.742 ns 0.402 ns 0.430 ns 193. WESTFORD CL 1 1984.04.08-19:19:05.736 77.129 D-14 2.435 D-14 2.603 D-14 194. WESTFORD CL 2 1984.04.08-19:19:05.736 2.265 D-14/day 2.713 D-14/day 2.901 D-14/day 218. WESTFORD AT 0 1984.04.08-19:19:05.736 47.781 ps 43.263 ps 46.258 ps WESTFORD Atm 1984.04.09-06:49:37.920 Avg: -23.881 ps Rms: 23.706 ps Tot_Rms: 33.649 ps || Nat: 113 Dura: 81080.0 sec Tzd_avg: 7853.8 Tzd_rms: 27.3 Wzd_avg: 185.4 Wzd_rms: 45.3 ps Prs_avg: 101268. Pa Tem_avg: 1.7 C Stm_avg: 0.8 C Stm_rms: 1.3 K Spr_avg: 190. Spr_rms: 59. Pa 288. WESTFORD NG 1984.04.08-19:18:05.736 0.009 mm 0.422 mm 0.451 mm 289. WESTFORD EG 1984.04.08-19:18:05.736 0.010 mm 0.422 mm 0.451 mm 290. WESTFORD NG 1984.04.09-03:18:05.736 -0.005 mm 0.377 mm 0.403 mm 291. WESTFORD EG 1984.04.09-03:18:05.736 0.012 mm 0.377 mm 0.403 mm 292. WESTFORD NG 1984.04.09-11:18:05.736 -0.002 mm 0.377 mm 0.403 mm 293. WESTFORD EG 1984.04.09-11:18:05.736 -0.007 mm 0.376 mm 0.403 mm 294. WESTFORD NG 1984.04.09-19:18:05.736 -0.000 mm 0.422 mm 0.452 mm 295. WESTFORD EG 1984.04.09-19:18:05.736 -0.005 mm 0.422 mm 0.452 mm 296. WETTZELL 7224 EURA X Comp 4075539829.62 mm -11.379 mm 26.789 mm 28.644 mm 297. WETTZELL 7224 EURA Y Comp 931735139.39 mm -174.605 mm 22.358 mm 23.906 mm 298. WETTZELL 7224 EURA Z Comp 4801629184.80 mm -208.200 mm 36.916 mm 39.472 mm WETTZELL 7224 U Comp -190.19 mm -190.188 mm 42.439 mm 35.416 mm WETTZELL 7224 E Comp -167.68 mm -167.678 mm 22.427 mm 18.715 mm WETTZELL 7224 N Comp -98.37 mm -98.370 mm 16.623 mm 13.873 mm 299. WETTZELL CL 0 1984.04.08-19:19:05.736 -2318.849 ns 0.517 ns 0.553 ns 300. WETTZELL CL 1 1984.04.08-19:19:05.736 -274.883 D-14 2.556 D-14 2.733 D-14 301. WETTZELL CL 2 1984.04.08-19:19:05.736 -3.525 D-14/day 2.359 D-14/day 2.522 D-14/day 325. WETTZELL AT 0 1984.04.08-19:19:05.736 85.463 ps 52.620 ps 56.263 ps WETTZELL Atm 1984.04.09-06:49:37.920 Avg: 61.166 ps Rms: 16.230 ps Tot_Rms: 63.283 ps || Nat: 67 Dura: 76020.0 sec Tzd_avg: 7420.0 Tzd_rms: 11.6 Wzd_avg: 251.6 Wzd_rms: 13.0 ps Prs_avg: 95019. Pa Tem_avg: 4.4 C Stm_avg: 0.4 C Stm_rms: 1.0 K Spr_avg: 459. Spr_rms: 25. Pa 395. WETTZELL NG 1984.04.08-19:18:05.736 0.001 mm 0.422 mm 0.452 mm 396. WETTZELL EG 1984.04.08-19:18:05.736 0.006 mm 0.422 mm 0.452 mm 397. WETTZELL NG 1984.04.09-03:18:05.736 -0.003 mm 0.377 mm 0.403 mm 398. WETTZELL EG 1984.04.09-03:18:05.736 0.002 mm 0.377 mm 0.403 mm 399. WETTZELL NG 1984.04.09-11:18:05.736 -0.001 mm 0.377 mm 0.403 mm 400. WETTZELL EG 1984.04.09-11:18:05.736 0.005 mm 0.377 mm 0.403 mm 401. WETTZELL NG 1984.04.09-19:18:05.736 -0.003 mm 0.422 mm 0.452 mm 402. WETTZELL EG 1984.04.09-19:18:05.736 -0.001 mm 0.422 mm 0.452 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 7.84 ps/h NRMS 0.16 share 0.93 count 70 2. RICHMOND Input 50.00 ps/h RMS 15.08 ps/h NRMS 0.30 share 0.93 count 70 3. WESTFORD Input 50.00 ps/h RMS 15.94 ps/h NRMS 0.32 share 0.87 count 70 4. WETTZELL Input 50.00 ps/h RMS 9.88 ps/h NRMS 0.20 share 0.93 count 70 Overall RMS 12.66 ps/h NRMS 0.25 share 0.91 count 280 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 2.45 D-14 NRMS 0.49 share 0.45 count 24 3. WESTFORD Input 5.00 D-14 RMS 1.93 D-14 NRMS 0.39 share 0.44 count 24 4. WETTZELL Input 5.00 D-14 RMS 1.50 D-14 NRMS 0.30 share 0.51 count 24 Overall RMS 2.00 D-14 NRMS 0.40 share 0.47 count 72 403. UT1-TAI 1, 1984.04.09-06:35:00.000 -1.7310 ms/d -213.56 micros/d 151.40 micros/d 161.88 micros/d EOP epoch (TDT) MJD: 45799.274678 NUT epoch (TDT) MJD: 45799.206080 404. Nutation DPSI wrt apriori model 1984.04.09-06:34:48.936 1.599 mas 1675.1 microasec 1791.1 microasec Nutation Dx wrt apriori model 1984.04.09-06:34:48.936 0.637 mas 664.1 microasec 710.0 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.09-06:34:48.936 6.565 mas 1675.1 microasec 1791.1 microasec 405. Nutation DEPS wrt apriori model 1984.04.09-06:34:48.936 -0.219 mas 662.4 microasec 708.3 microasec Nutation Dy wrt apriori model 1984.04.09-06:34:48.936 -0.216 mas 664.8 microasec 710.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.09-06:34:48.936 -0.010 mas 662.4 microasec 708.3 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3322 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632847.46 16.99 2362632847.46 16.99 77.72 9.51 116.85 84.46 HRAS_085 7216 to WESTFORD 7209 3134928030.47 22.03 3134928030.47 22.03 116.54 7.51 198.39 73.10 HRAS_085 7216 to WETTZELL 7224 8417561430.69 59.65 8417561430.69 59.65 293.58 11.24 234.83 75.48 RICHMOND 7219 to WESTFORD 7209 2044501749.12 12.20 2044501749.12 12.20 103.48 7.45 52.02 46.01 RICHMOND 7219 to WETTZELL 7224 7588398442.72 36.64 7588398442.72 36.64 207.07 12.51 71.53 63.01 WESTFORD 7209 to WETTZELL 7224 5998325296.20 24.11 5998325296.20 24.11 142.86 9.76 107.83 58.94 NNT_POS: 4 stations participated in NNT_POS constraints: JPL_MV1 MAMMOTHL MOJAVE12 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:36 Correlator type: Unknown Experiment code: cdp84f Mark-3 db_name: $84APR09X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840409_a Ver 2 cdp84f Matrix Condition Number = 3.535242352241379E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- JPL_MV1 : GION | | MAMMOTHL: GION | | MOJAVE12: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for MAMMOTHL is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms JPL_MV1 MET -999.0 0.0 -999.0 0.0-99900.0 0.0 MAMMOTHL MET 6.9 1.9 764.9 1.3 19.8 24.4 MOJAVE12 MET 11.7 3.6 910.2 1.0 38.0 6.4 OVRO_130 MET 10.3 4.7 877.9 1.0 11.5 5.2 Run 26091-1744 264 Observation Pairs Available Session started on: 2445800.297100 1984.04.09 19:07:49.440 UTC Nominal duration: 74191.680 sec 00 20:36:31.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 169 14.758 ps 0.71 0.9615 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 172 Number of potentially good observations with QC 5-9: 172 Number of used observations: 169 ( 98.26%) Number of suppressed observations: 3 ( 1.74%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 MOJAVE12 25 25 40.429 0.87 19840409_a cdp84f 1984.04.10-05:26:05.2 BAS_STAT JPL_MV1 OVRO_130 24 24 27.016 0.80 19840409_a cdp84f 1984.04.10-05:26:05.2 BAS_STAT MAMMOTHL MOJAVE12 28 29 37.115 0.68 19840409_a cdp84f 1984.04.10-05:26:05.2 BAS_STAT MAMMOTHL OVRO_130 35 37 55.541 0.81 19840409_a cdp84f 1984.04.10-05:26:05.2 BAS_STAT MOJAVE12 OVRO_130 57 57 6.603 0.51 19840409_a cdp84f 1984.04.10-05:26:05.2 BAS_STAT Not included: JPL_MV1 MAMMOTHL 0/ 0 deselected baseline 19840409_a cdp84f Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 8 9 16 14.150 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 0552+398 J0555+3948 15 15 22 16.243 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 0727-115 J0730-1141 4 4 6 16.025 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 1921-293 J1924-2914 3 3 6 3.427 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 2134+00 J2136+0041 16 16 21 13.164 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 3C120 J0433+0521 1 1 3 5.907 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 3C273B J1229+0203 12 12 19 11.533 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 3C279 J1256-0547 12 12 18 13.732 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 3C345 J1642+3948 30 30 45 13.131 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 3C418 J2038+5119 17 18 29 24.782 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 3C454.3 J2253+1608 5 5 10 18.391 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 3C84 J0319+4130 9 9 10 7.815 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: 4C39.25 J0927+3902 11 12 20 14.752 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: NRAO150 J0359+5057 12 12 18 12.920 19840409_a cdp84f 1984.04.10-05:26:05.280 SRC_STAT: NRAO530 J1733-1304 14 14 21 18.685 19840409_a cdp84f 1984.04.10-05:26:05.280 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.10-05:25:33 1. JPL_MV1 7263 PCFC X Comp -2493306162.62 mm 134.380 mm 29.586 mm 29.010 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197540.78 mm -156.781 mm 55.055 mm 53.984 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519305.23 mm -157.768 mm 41.262 mm 40.459 mm JPL_MV1 7263 U Comp -26.86 mm -26.861 mm 74.176 mm 52.808 mm JPL_MV1 7263 E Comp 192.48 mm 192.482 mm 5.222 mm 3.717 mm JPL_MV1 7263 N Comp -172.51 mm -172.505 mm 8.923 mm 6.352 mm 4. JPL_MV1 CL 0 1984.04.09-19:07:17.256 -1054.663 ns 4.263 ns 4.180 ns 5. JPL_MV1 CL 1 1984.04.09-19:07:17.256 40.891 D-14 14.358 D-14 14.078 D-14 6. JPL_MV1 CL 2 1984.04.09-19:07:17.256 11.876 D-14/day 10.100 D-14/day 9.903 D-14/day 28. JPL_MV1 AT 0 1984.04.09-19:07:17.256 -17.172 ps 360.125 ps 353.119 ps JPL_MV1 Atm 1984.04.10-05:37:49.440 Avg: -21.084 ps Rms: 10.779 ps Tot_Rms: 23.680 ps || Nat: 29 Dura: 29320.0 sec Tzd_avg: 7699.4 Tzd_rms: 32.0 Wzd_avg: 396.1 Wzd_rms: 31.7 ps Prs_avg: 96323. Pa Tem_avg: 12.2 C Stm_avg: -1.7 C Stm_rms: 2.0 K Spr_avg: 44. Spr_rms: 33. Pa 92. JPL_MV1 NG 1984.04.09-19:06:17.256 0.001 mm 0.422 mm 0.414 mm 93. JPL_MV1 EG 1984.04.09-19:06:17.256 -0.001 mm 0.422 mm 0.414 mm 94. JPL_MV1 NG 1984.04.10-03:06:17.256 0.001 mm 0.377 mm 0.370 mm 95. JPL_MV1 EG 1984.04.10-03:06:17.256 -0.003 mm 0.377 mm 0.370 mm 96. JPL_MV1 NG 1984.04.10-11:06:17.256 0.006 mm 0.377 mm 0.370 mm 97. JPL_MV1 EG 1984.04.10-11:06:17.256 -0.011 mm 0.377 mm 0.370 mm 98. JPL_MV1 NG 1984.04.10-19:06:17.256 0.000 mm 0.422 mm 0.414 mm 99. JPL_MV1 EG 1984.04.10-19:06:17.256 -0.001 mm 0.422 mm 0.414 mm 100. MAMMOTHL 7259 NOAM X Comp -2448246955.84 mm -9.844 mm 34.797 mm 34.120 mm 101. MAMMOTHL 7259 NOAM Y Comp -4426738228.58 mm -67.578 mm 59.226 mm 58.074 mm 102. MAMMOTHL 7259 NOAM Z Comp 3875435925.25 mm 146.249 mm 50.903 mm 49.913 mm MAMMOTHL 7259 U Comp 139.92 mm 139.917 mm 84.518 mm 60.171 mm MAMMOTHL 7259 E Comp 24.09 mm 24.091 mm 7.137 mm 5.081 mm MAMMOTHL 7259 N Comp 76.78 mm 76.781 mm 10.749 mm 7.653 mm 103. MAMMOTHL CL 0 1984.04.09-19:07:17.256 3892.539 ns 0.501 ns 0.491 ns 104. MAMMOTHL CL 1 1984.04.09-19:07:17.256 32.394 D-14 2.347 D-14 2.301 D-14 105. MAMMOTHL CL 2 1984.04.09-19:07:17.256 2.766 D-14/day 2.351 D-14/day 2.305 D-14/day 127. MAMMOTHL AT 0 1984.04.09-19:07:17.256 -208.680 ps 305.339 ps 299.399 ps MAMMOTHL Atm 1984.04.10-05:37:49.440 Avg: -227.556 ps Rms: 29.142 ps Tot_Rms: 229.415 ps || Nat: 70 Dura: 74192.0 sec Tzd_avg: 6050.5 Tzd_rms: 30.0 Wzd_avg: 220.8 Wzd_rms: 28.6 ps Prs_avg: 76514. Pa Tem_avg: 7.3 C Stm_avg: 4.9 C Stm_rms: 0.8 K Spr_avg: -275. Spr_rms: 61. Pa 191. MAMMOTHL NG 1984.04.09-19:06:17.256 0.002 mm 0.422 mm 0.414 mm 192. MAMMOTHL EG 1984.04.09-19:06:17.256 -0.014 mm 0.422 mm 0.414 mm 193. MAMMOTHL NG 1984.04.10-03:06:17.256 0.011 mm 0.377 mm 0.370 mm 194. MAMMOTHL EG 1984.04.10-03:06:17.256 -0.009 mm 0.377 mm 0.370 mm 195. MAMMOTHL NG 1984.04.10-11:06:17.256 -0.002 mm 0.377 mm 0.370 mm 196. MAMMOTHL EG 1984.04.10-11:06:17.256 0.017 mm 0.377 mm 0.370 mm 197. MAMMOTHL NG 1984.04.10-19:06:17.256 -0.008 mm 0.422 mm 0.414 mm 198. MAMMOTHL EG 1984.04.10-19:06:17.256 0.014 mm 0.422 mm 0.414 mm 199. MOJAVE12 7222 NOAM X Comp -2356171164.08 mm -68.077 mm 15.541 mm 15.238 mm 200. MOJAVE12 7222 NOAM Y Comp -4646755670.53 mm 161.467 mm 27.479 mm 26.944 mm 201. MOJAVE12 7222 NOAM Z Comp 3668470561.35 mm -19.652 mm 22.724 mm 22.281 mm MOJAVE12 7222 U Comp -103.74 mm -103.736 mm 38.374 mm 27.320 mm MOJAVE12 7222 E Comp -133.74 mm -133.739 mm 4.554 mm 3.242 mm MOJAVE12 7222 N Comp 49.45 mm 49.446 mm 4.434 mm 3.157 mm 202. MOJAVE12 CL 0 1984.04.09-19:07:17.256 11420.467 ns 0.229 ns 0.224 ns 203. MOJAVE12 CL 1 1984.04.09-19:07:17.256 268.791 D-14 2.319 D-14 2.274 D-14 204. MOJAVE12 CL 2 1984.04.09-19:07:17.256 -6.003 D-14/day 2.305 D-14/day 2.261 D-14/day 226. MOJAVE12 AT 0 1984.04.09-19:07:17.256 87.607 ps 272.909 ps 267.599 ps MOJAVE12 Atm 1984.04.10-05:37:49.440 Avg: 91.291 ps Rms: 13.239 ps Tot_Rms: 92.246 ps || Nat: 67 Dura: 74192.0 sec Tzd_avg: 7153.3 Tzd_rms: 62.0 Wzd_avg: 253.9 Wzd_rms: 70.5 ps Prs_avg: 91040. Pa Tem_avg: 12.5 C Stm_avg: -0.9 C Stm_rms: 3.1 K Spr_avg: 148. Spr_rms: 36. Pa 290. MOJAVE12 NG 1984.04.09-19:06:17.256 -0.025 mm 0.422 mm 0.413 mm 291. MOJAVE12 EG 1984.04.09-19:06:17.256 0.003 mm 0.422 mm 0.414 mm 292. MOJAVE12 NG 1984.04.10-03:06:17.256 -0.062 mm 0.376 mm 0.369 mm 293. MOJAVE12 EG 1984.04.10-03:06:17.256 0.040 mm 0.376 mm 0.369 mm 294. MOJAVE12 NG 1984.04.10-11:06:17.256 0.051 mm 0.376 mm 0.369 mm 295. MOJAVE12 EG 1984.04.10-11:06:17.256 -0.011 mm 0.377 mm 0.369 mm 296. MOJAVE12 NG 1984.04.10-19:06:17.256 0.035 mm 0.421 mm 0.413 mm 297. MOJAVE12 EG 1984.04.10-19:06:17.256 -0.022 mm 0.422 mm 0.414 mm 298. OVRO_130 7207 NOAM X Comp -2409600943.46 mm -56.459 mm 16.056 mm 15.744 mm 299. OVRO_130 7207 NOAM Y Comp -4478349401.11 mm 62.892 mm 29.367 mm 28.796 mm 300. OVRO_130 7207 NOAM Z Comp 3838603219.17 mm 31.171 mm 23.570 mm 23.112 mm OVRO_130 7207 U Comp -3.94 mm -3.938 mm 40.417 mm 28.774 mm OVRO_130 7207 E Comp -79.52 mm -79.519 mm 3.411 mm 2.429 mm OVRO_130 7207 N Comp 42.14 mm 42.142 mm 5.530 mm 3.937 mm 301. OVRO_130 AT 0 1984.04.09-19:07:17.256 -19.620 ps 259.152 ps 254.110 ps OVRO_130 Atm 1984.04.10-05:37:49.440 Avg: -29.973 ps Rms: 17.675 ps Tot_Rms: 34.796 ps || Nat: 66 Dura: 71088.0 sec Tzd_avg: 6952.8 Tzd_rms: 46.7 Wzd_avg: 298.0 Wzd_rms: 42.5 ps Prs_avg: 87802. Pa Tem_avg: 11.3 C Stm_avg: -0.9 C Stm_rms: 3.4 K Spr_avg: 80. Spr_rms: 101. Pa 365. OVRO_130 NG 1984.04.09-19:06:17.256 0.022 mm 0.422 mm 0.413 mm 366. OVRO_130 EG 1984.04.09-19:06:17.256 0.014 mm 0.422 mm 0.414 mm 367. OVRO_130 NG 1984.04.10-03:06:17.256 0.050 mm 0.376 mm 0.368 mm 368. OVRO_130 EG 1984.04.10-03:06:17.256 -0.026 mm 0.376 mm 0.368 mm 369. OVRO_130 NG 1984.04.10-11:06:17.256 -0.055 mm 0.376 mm 0.369 mm 370. OVRO_130 EG 1984.04.10-11:06:17.256 0.007 mm 0.376 mm 0.369 mm 371. OVRO_130 NG 1984.04.10-19:06:17.256 -0.025 mm 0.421 mm 0.413 mm 372. OVRO_130 EG 1984.04.10-19:06:17.256 0.009 mm 0.422 mm 0.414 mm Atmosphere Constraint Statistics 1. JPL_MV1 Input 50.00 ps/h RMS 8.05 ps/h NRMS 0.16 share 0.96 count 64 2. MAMMOTHL Input 50.00 ps/h RMS 7.99 ps/h NRMS 0.16 share 0.95 count 64 3. MOJAVE12 Input 50.00 ps/h RMS 17.49 ps/h NRMS 0.35 share 0.84 count 64 4. OVRO_130 Input 50.00 ps/h RMS 16.99 ps/h NRMS 0.34 share 0.82 count 64 Overall RMS 13.44 ps/h NRMS 0.27 share 0.89 count 256 Gradient Constraint Statistics 1. JPL_MV1 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. MAMMOTHL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. MOJAVE12 Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.08 share 0.53 count 8 4. OVRO_130 Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.53 count 8 Overall RMS 0.11 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 1. JPL_MV1 Input 5.00 D-14 RMS 1.20 D-14 NRMS 0.24 share 0.74 count 22 2. MAMMOTHL Input 5.00 D-14 RMS 2.47 D-14 NRMS 0.49 share 0.47 count 22 3. MOJAVE12 Input 5.00 D-14 RMS 5.54 D-14 NRMS 1.11 share 0.23 count 22 Overall RMS 3.57 D-14 NRMS 0.71 share 0.48 count 66 373. UT1-TAI 1, 1984.04.10-05:26:00.000 0.1857 ms/d 1881.67 micros/d 2343.94 micros/d 2298.34 micros/d EOP epoch (TDT) MJD: 45800.226761 NUT epoch (TDT) MJD: 45800.311173 374. Nutation DPSI wrt apriori model 1984.04.10-05:25:33.096 -5.460 mas 19414.0 microasec 19036.3 microasec Nutation Dx wrt apriori model 1984.04.10-05:25:33.096 -2.186 mas 7705.3 microasec 7555.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.10-05:25:33.096 -0.254 mas 19414.0 microasec 19036.3 microasec 375. Nutation DEPS wrt apriori model 1984.04.10-05:25:33.096 3.944 mas 5044.8 microasec 4946.7 microasec Nutation Dy wrt apriori model 1984.04.10-05:25:33.096 3.936 mas 5072.0 microasec 4973.3 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.10-05:25:33.096 4.026 mas 5044.8 microasec 4946.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2011 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.10 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to MOJAVE12 7222 171686441.32 7.92 171686441.32 7.92 -389.16 7.81 76.83 89.54 JPL_MV1 7263 to OVRO_130 7207 335941441.73 12.93 335941441.73 12.93 -265.63 6.96 -25.95 96.19 MAMMOTHL 7259 to MOJAVE12 7222 315785192.89 14.13 315785192.89 14.13 146.31 11.02 239.52 110.55 MAMMOTHL 7259 to OVRO_130 7207 74255475.49 10.34 74255475.49 10.34 91.68 11.49 143.82 107.84 MOJAVE12 7222 to OVRO_130 7207 245276444.37 6.98 245276444.37 6.98 44.38 3.93 -96.14 37.57 NNT_POS: 6 stations participated in NNT_POS constraints: HATCREEK HRAS_085 MON_PEAK OVRO_130 QUINCY VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:39 Correlator type: Unknown Experiment code: cdp84g Mark-3 db_name: $84APR12X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840412_a Ver 2 cdp84g Matrix Condition Number = 9.597459746354043E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | HRAS_085: GION | | MOJAVE12: GION | | MON_PEAK: GION | | OVRO_130: GION | | QUINCY : GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for MON_PEAK is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for QUINCY is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HRAS_085 MET 14.1 4.5 837.2 0.9 44.1 2.3 MOJAVE12 MET 17.1 6.1 909.7 1.2 44.3 5.9 MON_PEAK MET -999.0 0.0 -999.0 0.0-99900.0 0.0 OVRO_130 MET 13.9 8.3 879.6 2.1 15.1 3.3 QUINCY MET 8.2 6.0 892.3 1.3 41.6 33.1 VNDNBERG MET 13.5 3.2 1014.3 1.1 47.3 4.5 Run 26091-1744 1494 Observation Pairs Available Session started on: 2445803.168800 1984.04.12 16:03:04.320 UTC Nominal duration: 88171.200 sec 01 00:29:31.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 488 22.162 ps 0.83 1.0630 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 494 Number of potentially good observations with QC 5-9: 494 Number of used observations: 488 ( 98.79%) Number of suppressed observations: 6 ( 1.21%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK HRAS_085 67 67 13.044 0.70 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HATCREEK MON_PEAK 11 11 14.560 0.73 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HATCREEK OVRO_130 8 8 11.491 0.76 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HATCREEK QUINCY 7 7 76.696 0.91 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HATCREEK VNDNBERG 49 49 110.990 0.93 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HRAS_085 MON_PEAK 69 69 71.202 0.96 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HRAS_085 OVRO_130 69 71 8.977 0.63 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HRAS_085 QUINCY 28 29 110.037 0.94 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT HRAS_085 VNDNBERG 34 36 112.326 0.93 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT MON_PEAK OVRO_130 67 68 29.941 0.81 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT OVRO_130 QUINCY 36 36 64.876 0.84 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT OVRO_130 VNDNBERG 43 43 47.679 0.81 19840412_a cdp84g 1984.04.13-04:17:49.9 BAS_STAT Not included: HATCREEK MOJAVE12 0/ 0 deselected baseline 19840412_a cdp84g HRAS_085 MOJAVE12 0/ 0 deselected baseline 19840412_a cdp84g MOJAVE12 MON_PEAK 0/ 0 deselected baseline 19840412_a cdp84g MOJAVE12 OVRO_130 0/ 0 deselected baseline 19840412_a cdp84g MOJAVE12 QUINCY 0/ 0 deselected baseline 19840412_a cdp84g MOJAVE12 VNDNBERG 0/ 0 deselected baseline 19840412_a cdp84g MON_PEAK QUINCY 0/ 0 deselected baseline 19840412_a cdp84g MON_PEAK VNDNBERG 0/ 0 deselected baseline 19840412_a cdp84g QUINCY VNDNBERG 0/ 0 deselected baseline 19840412_a cdp84g Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 21 21 101 41.900 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 0552+398 J0555+3948 38 38 110 29.175 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 0727-115 J0730-1141 9 9 42 27.630 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 1921-293 J1924-2914 7 7 15 14.529 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 2134+00 J2136+0041 33 33 86 22.584 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 3C120 J0433+0521 3 3 21 59.514 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 3C273B J1229+0203 43 43 114 10.817 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 3C279 J1256-0547 37 37 89 16.228 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 3C345 J1642+3948 57 58 157 12.280 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 3C418 J2038+5119 45 45 158 42.802 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 3C454.3 J2253+1608 29 29 97 25.231 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 3C84 J0319+4130 34 39 108 23.675 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: 4C39.25 J0927+3902 57 57 150 29.752 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: NRAO150 J0359+5057 48 48 162 22.355 19840412_a cdp84g 1984.04.13-04:17:49.920 SRC_STAT: NRAO530 J1733-1304 27 27 84 20.138 19840412_a cdp84g 1984.04.13-04:17:49.920 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.13-04:17:17 1. HATCREEK 7218 NOAM X Comp -2523970155.75 mm -51.752 mm 15.223 mm 15.695 mm 2. HATCREEK 7218 NOAM Y Comp -4123506190.40 mm 113.599 mm 25.231 mm 26.014 mm 3. HATCREEK 7218 NOAM Z Comp 4147752676.43 mm 139.427 mm 23.049 mm 23.764 mm HATCREEK 7218 U Comp 38.26 mm 38.258 mm 36.978 mm 30.607 mm HATCREEK 7218 E Comp -103.44 mm -103.445 mm 3.437 mm 2.845 mm HATCREEK 7218 N Comp 151.19 mm 151.190 mm 4.522 mm 3.743 mm 4. HATCREEK CL 0 1984.04.12-16:02:32.136 8125.198 ns 0.306 ns 0.315 ns 5. HATCREEK CL 1 1984.04.12-16:02:32.136 -107.334 D-14 2.278 D-14 2.349 D-14 6. HATCREEK CL 2 1984.04.12-16:02:32.136 -0.004 D-14/day 1.893 D-14/day 1.952 D-14/day 32. HATCREEK AT 0 1984.04.12-16:02:32.136 -162.594 ps 86.193 ps 88.865 ps HATCREEK Atm 1984.04.13-04:33:04.320 Avg: -75.622 ps Rms: 52.055 ps Tot_Rms: 91.807 ps || Nat: 79 Dura: 84522.0 sec Tzd_avg: 7071.1 Tzd_rms: 21.6 Wzd_avg: 222.8 Wzd_rms: 23.3 ps Prs_avg: 89749. Pa Tem_avg: 8.4 C Stm_avg: -1.4 C Stm_rms: 2.0 K Spr_avg: -510. Spr_rms: 41. Pa 108. HATCREEK NG 1984.04.12-16:01:32.136 -0.007 mm 0.422 mm 0.435 mm 109. HATCREEK EG 1984.04.12-16:01:32.136 0.011 mm 0.421 mm 0.434 mm 110. HATCREEK NG 1984.04.13-00:01:32.136 -0.045 mm 0.376 mm 0.388 mm 111. HATCREEK EG 1984.04.13-00:01:32.136 0.027 mm 0.375 mm 0.386 mm 112. HATCREEK NG 1984.04.13-08:01:32.136 0.041 mm 0.377 mm 0.388 mm 113. HATCREEK EG 1984.04.13-08:01:32.136 -0.020 mm 0.376 mm 0.388 mm 114. HATCREEK NG 1984.04.13-16:01:32.136 -0.012 mm 0.422 mm 0.435 mm 115. HATCREEK EG 1984.04.13-16:01:32.136 0.022 mm 0.421 mm 0.434 mm 116. HRAS_085 7216 NOAM X Comp -1324211204.22 mm -187.215 mm 14.590 mm 15.042 mm 117. HRAS_085 7216 NOAM Y Comp -5332022952.16 mm 129.837 mm 27.922 mm 28.787 mm 118. HRAS_085 7216 NOAM Z Comp 3232118479.27 mm 172.274 mm 22.964 mm 23.676 mm HRAS_085 7216 U Comp 18.19 mm 18.195 mm 37.610 mm 31.130 mm HRAS_085 7216 E Comp -212.99 mm -212.990 mm 8.446 mm 6.991 mm HRAS_085 7216 N Comp 189.45 mm 189.446 mm 5.830 mm 4.825 mm 119. HRAS_085 AT 0 1984.04.12-16:02:32.136 20.475 ps 69.976 ps 72.145 ps HRAS_085 Atm 1984.04.13-04:33:04.320 Avg: -8.732 ps Rms: 16.739 ps Tot_Rms: 18.880 ps || Nat: 78 Dura: 86780.0 sec Tzd_avg: 6540.8 Tzd_rms: 20.7 Wzd_avg: 186.0 Wzd_rms: 27.3 ps Prs_avg: 83730. Pa Tem_avg: 14.1 C Stm_avg: -4.0 C Stm_rms: 3.0 K Spr_avg: 81. Spr_rms: 85. Pa 195. HRAS_085 NG 1984.04.12-16:01:32.136 -0.025 mm 0.422 mm 0.435 mm 196. HRAS_085 EG 1984.04.12-16:01:32.136 -0.020 mm 0.422 mm 0.435 mm 197. HRAS_085 NG 1984.04.13-00:01:32.136 -0.027 mm 0.376 mm 0.388 mm 198. HRAS_085 EG 1984.04.13-00:01:32.136 -0.057 mm 0.376 mm 0.387 mm 199. HRAS_085 NG 1984.04.13-08:01:32.136 -0.035 mm 0.377 mm 0.388 mm 200. HRAS_085 EG 1984.04.13-08:01:32.136 0.021 mm 0.376 mm 0.388 mm 201. HRAS_085 NG 1984.04.13-16:01:32.136 0.030 mm 0.421 mm 0.434 mm 202. HRAS_085 EG 1984.04.13-16:01:32.136 -0.007 mm 0.421 mm 0.434 mm 203. MON_PEAK 7274 PCFC X Comp -2386289555.20 mm 168.805 mm 22.434 mm 23.129 mm 204. MON_PEAK 7274 PCFC Y Comp -4802346445.33 mm -232.325 mm 42.429 mm 43.745 mm 205. MON_PEAK 7274 PCFC Z Comp 3444883975.08 mm -116.923 mm 32.134 mm 33.130 mm MON_PEAK 7274 U Comp 48.13 mm 48.132 mm 57.360 mm 47.478 mm MON_PEAK 7274 E Comp 254.55 mm 254.553 mm 4.191 mm 3.469 mm MON_PEAK 7274 N Comp -170.37 mm -170.373 mm 5.322 mm 4.405 mm 206. MON_PEAK CL 0 1984.04.12-16:02:32.136 -45.046 ns 0.364 ns 0.375 ns 207. MON_PEAK CL 1 1984.04.12-16:02:32.136 -38.133 D-14 2.102 D-14 2.167 D-14 208. MON_PEAK CL 2 1984.04.12-16:02:32.136 -0.276 D-14/day 1.804 D-14/day 1.860 D-14/day 234. MON_PEAK AT 0 1984.04.12-16:02:32.136 43.200 ps 138.853 ps 143.158 ps MON_PEAK Atm 1984.04.13-04:33:04.320 Avg: 76.969 ps Rms: 20.682 ps Tot_Rms: 79.699 ps || Nat: 81 Dura: 88170.0 sec Tzd_avg: 6289.3 Tzd_rms: 12.0 Wzd_avg: 108.0 Wzd_rms: 10.5 ps Prs_avg: 81023. Pa Tem_avg: 3.0 C Stm_avg: -11.4 C Stm_rms: 1.4 K Spr_avg: -320. Spr_rms: 56. Pa 310. MON_PEAK NG 1984.04.12-16:01:32.136 0.014 mm 0.422 mm 0.435 mm 311. MON_PEAK EG 1984.04.12-16:01:32.136 0.057 mm 0.421 mm 0.435 mm 312. MON_PEAK NG 1984.04.13-00:01:32.136 -0.015 mm 0.377 mm 0.388 mm 313. MON_PEAK EG 1984.04.13-00:01:32.136 0.091 mm 0.376 mm 0.388 mm 314. MON_PEAK NG 1984.04.13-08:01:32.136 -0.025 mm 0.377 mm 0.388 mm 315. MON_PEAK EG 1984.04.13-08:01:32.136 -0.011 mm 0.376 mm 0.388 mm 316. MON_PEAK NG 1984.04.13-16:01:32.136 -0.008 mm 0.422 mm 0.435 mm 317. MON_PEAK EG 1984.04.13-16:01:32.136 -0.084 mm 0.421 mm 0.434 mm 318. OVRO_130 7207 NOAM X Comp -2409600983.05 mm -96.046 mm 14.301 mm 14.745 mm 319. OVRO_130 7207 NOAM Y Comp -4478349396.17 mm 67.826 mm 24.576 mm 25.338 mm 320. OVRO_130 7207 NOAM Z Comp 3838603302.31 mm 114.307 mm 21.690 mm 22.363 mm OVRO_130 7207 U Comp 57.84 mm 57.838 mm 35.452 mm 29.344 mm OVRO_130 7207 E Comp -116.72 mm -116.717 mm 3.271 mm 2.708 mm OVRO_130 7207 N Comp 99.61 mm 99.615 mm 3.381 mm 2.799 mm 321. OVRO_130 CL 0 1984.04.12-16:02:32.136 -8618.624 ns 0.304 ns 0.313 ns 322. OVRO_130 CL 1 1984.04.12-16:02:32.136 -172.238 D-14 2.239 D-14 2.308 D-14 323. OVRO_130 CL 2 1984.04.12-16:02:32.136 0.094 D-14/day 1.837 D-14/day 1.894 D-14/day 349. OVRO_130 AT 0 1984.04.12-16:02:32.136 106.842 ps 87.511 ps 90.223 ps OVRO_130 Atm 1984.04.13-04:33:04.320 Avg: 9.410 ps Rms: 41.853 ps Tot_Rms: 42.898 ps || Nat: 78 Dura: 83562.0 sec Tzd_avg: 6805.9 Tzd_rms: 17.5 Wzd_avg: 134.8 Wzd_rms: 8.9 ps Prs_avg: 87976. Pa Tem_avg: 13.7 C Stm_avg: -3.9 C Stm_rms: 5.5 K Spr_avg: 121. Spr_rms: 71. Pa 425. OVRO_130 NG 1984.04.12-16:01:32.136 -0.010 mm 0.421 mm 0.434 mm 426. OVRO_130 EG 1984.04.12-16:01:32.136 -0.047 mm 0.420 mm 0.433 mm 427. OVRO_130 NG 1984.04.13-00:01:32.136 0.060 mm 0.375 mm 0.387 mm 428. OVRO_130 EG 1984.04.13-00:01:32.136 -0.017 mm 0.374 mm 0.386 mm 429. OVRO_130 NG 1984.04.13-08:01:32.136 0.009 mm 0.376 mm 0.388 mm 430. OVRO_130 EG 1984.04.13-08:01:32.136 -0.001 mm 0.375 mm 0.387 mm 431. OVRO_130 NG 1984.04.13-16:01:32.136 0.002 mm 0.421 mm 0.434 mm 432. OVRO_130 EG 1984.04.13-16:01:32.136 0.006 mm 0.420 mm 0.433 mm 433. QUINCY 7221 NOAM X Comp -2517231055.13 mm 2.866 mm 49.344 mm 50.874 mm 434. QUINCY 7221 NOAM Y Comp -4198594967.75 mm 146.251 mm 75.467 mm 77.806 mm 435. QUINCY 7221 NOAM Z Comp 4076531259.10 mm 50.098 mm 74.707 mm 77.023 mm QUINCY 7221 U Comp -65.07 mm -65.068 mm 116.214 mm 96.192 mm QUINCY 7221 E Comp -72.75 mm -72.745 mm 10.347 mm 8.565 mm QUINCY 7221 N Comp 119.92 mm 119.924 mm 9.922 mm 8.212 mm 436. QUINCY CL 0 1984.04.12-16:02:32.136 -6879.860 ns 0.712 ns 0.734 ns 437. QUINCY CL 1 1984.04.12-16:02:32.136 -161.421 D-14 2.629 D-14 2.711 D-14 438. QUINCY CL 2 1984.04.12-16:02:32.136 3.322 D-14/day 2.530 D-14/day 2.609 D-14/day 464. QUINCY AT 0 1984.04.12-16:02:32.136 190.941 ps 243.772 ps 251.329 ps QUINCY Atm 1984.04.13-04:33:04.320 Avg: 177.436 ps Rms: 17.211 ps Tot_Rms: 178.269 ps || Nat: 70 Dura: 75688.0 sec Tzd_avg: 6961.8 Tzd_rms: 20.7 Wzd_avg: 193.9 Wzd_rms: 18.5 ps Prs_avg: 89220. Pa Tem_avg: 8.5 C Stm_avg: -0.5 C Stm_rms: 3.7 K Spr_avg: 42. Spr_rms: 103. Pa 540. QUINCY NG 1984.04.12-16:01:32.136 0.002 mm 0.422 mm 0.435 mm 541. QUINCY EG 1984.04.12-16:01:32.136 0.000 mm 0.422 mm 0.435 mm 542. QUINCY NG 1984.04.13-00:01:32.136 -0.001 mm 0.377 mm 0.389 mm 543. QUINCY EG 1984.04.13-00:01:32.136 -0.002 mm 0.377 mm 0.389 mm 544. QUINCY NG 1984.04.13-08:01:32.136 -0.001 mm 0.377 mm 0.389 mm 545. QUINCY EG 1984.04.13-08:01:32.136 0.002 mm 0.377 mm 0.389 mm 546. QUINCY NG 1984.04.13-16:01:32.136 -0.003 mm 0.422 mm 0.435 mm 547. QUINCY EG 1984.04.13-16:01:32.136 0.006 mm 0.422 mm 0.435 mm 548. VNDNBERG 7223 PCFC X Comp -2678094883.66 mm 163.341 mm 34.923 mm 36.006 mm 549. VNDNBERG 7223 PCFC Y Comp -4525450725.19 mm -225.188 mm 62.396 mm 64.330 mm 550. VNDNBERG 7223 PCFC Z Comp 3597410056.82 mm -359.183 mm 49.226 mm 50.752 mm VNDNBERG 7223 U Comp -112.64 mm -112.640 mm 86.065 mm 71.237 mm VNDNBERG 7223 E Comp 255.26 mm 255.256 mm 7.916 mm 6.552 mm VNDNBERG 7223 N Comp -358.55 mm -358.551 mm 8.141 mm 6.738 mm 551. VNDNBERG CL 0 1984.04.12-16:02:32.136 -2064.785 ns 0.520 ns 0.536 ns 552. VNDNBERG CL 1 1984.04.12-16:02:32.136 -267.373 D-14 2.139 D-14 2.205 D-14 553. VNDNBERG CL 2 1984.04.12-16:02:32.136 -0.741 D-14/day 1.786 D-14/day 1.841 D-14/day 579. VNDNBERG AT 0 1984.04.12-16:02:32.136 101.073 ps 180.138 ps 185.723 ps VNDNBERG Atm 1984.04.13-04:33:04.320 Avg: 102.696 ps Rms: 20.780 ps Tot_Rms: 104.777 ps || Nat: 74 Dura: 88170.0 sec Tzd_avg: 7898.5 Tzd_rms: 21.5 Wzd_avg: 213.2 Wzd_rms: 16.6 ps Prs_avg: 101427. Pa Tem_avg: 13.6 C Stm_avg: -1.9 C Stm_rms: 2.6 K Spr_avg: 187. Spr_rms: 90. Pa 655. VNDNBERG NG 1984.04.12-16:01:32.136 0.027 mm 0.422 mm 0.435 mm 656. VNDNBERG EG 1984.04.12-16:01:32.136 -0.008 mm 0.422 mm 0.435 mm 657. VNDNBERG NG 1984.04.13-00:01:32.136 0.023 mm 0.377 mm 0.389 mm 658. VNDNBERG EG 1984.04.13-00:01:32.136 -0.048 mm 0.377 mm 0.389 mm 659. VNDNBERG NG 1984.04.13-08:01:32.136 -0.010 mm 0.377 mm 0.389 mm 660. VNDNBERG EG 1984.04.13-08:01:32.136 -0.008 mm 0.377 mm 0.389 mm 661. VNDNBERG NG 1984.04.13-16:01:32.136 -0.016 mm 0.422 mm 0.435 mm 662. VNDNBERG EG 1984.04.13-16:01:32.136 0.046 mm 0.422 mm 0.435 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 19.74 ps/h NRMS 0.39 share 0.83 count 76 2. HRAS_085 Input 50.00 ps/h RMS 22.03 ps/h NRMS 0.44 share 0.77 count 76 4. MON_PEAK Input 50.00 ps/h RMS 11.81 ps/h NRMS 0.24 share 0.90 count 76 5. OVRO_130 Input 50.00 ps/h RMS 21.28 ps/h NRMS 0.43 share 0.79 count 76 6. QUINCY Input 50.00 ps/h RMS 5.72 ps/h NRMS 0.11 share 0.97 count 76 7. VNDNBERG Input 50.00 ps/h RMS 9.48 ps/h NRMS 0.19 share 0.95 count 76 Overall RMS 16.28 ps/h NRMS 0.33 share 0.87 count 456 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.53 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 4. MON_PEAK Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.53 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.53 count 8 6. QUINCY Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.54 count 8 7. VNDNBERG Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 Overall RMS 0.13 mm/d NRMS 0.06 share 0.53 count 48 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 1.71 D-14 NRMS 0.34 share 0.25 count 26 4. MON_PEAK Input 5.00 D-14 RMS 2.95 D-14 NRMS 0.59 share 0.27 count 26 5. OVRO_130 Input 5.00 D-14 RMS 2.24 D-14 NRMS 0.45 share 0.23 count 26 6. QUINCY Input 5.00 D-14 RMS 2.42 D-14 NRMS 0.48 share 0.57 count 26 7. VNDNBERG Input 5.00 D-14 RMS 2.29 D-14 NRMS 0.46 share 0.41 count 26 Overall RMS 2.36 D-14 NRMS 0.47 share 0.35 count 130 663. UT1-TAI 1, 1984.04.13-04:17:00.000 -2.9379 ms/d -348.16 micros/d 190.85 micros/d 196.77 micros/d EOP epoch (TDT) MJD: 45803.178845 NUT epoch (TDT) MJD: 45803.227272 664. Nutation DPSI wrt apriori model 1984.04.13-04:17:17.736 -1.682 mas 1824.4 microasec 1880.9 microasec Nutation Dx wrt apriori model 1984.04.13-04:17:17.736 -0.669 mas 723.9 microasec 746.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.13-04:17:17.736 4.299 mas 1824.4 microasec 1880.9 microasec 665. Nutation DEPS wrt apriori model 1984.04.13-04:17:17.736 0.036 mas 521.3 microasec 537.5 microasec Nutation Dy wrt apriori model 1984.04.13-04:17:17.736 0.034 mas 523.8 microasec 540.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.13-04:17:17.736 0.092 mas 521.3 microasec 537.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1552 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to HRAS_085 7216 1933473632.67 6.26 1933473632.67 6.26 72.63 3.27 -48.68 35.27 HATCREEK 7218 to MON_PEAK 7274 986815307.35 8.03 986815307.35 8.03 -174.13 3.74 -2.91 65.02 HATCREEK 7218 to OVRO_130 7207 484321529.43 3.85 484321529.43 3.85 46.05 2.85 -32.21 35.50 HATCREEK 7218 to QUINCY 7221 103712247.33 11.28 103712247.33 11.28 -13.14 12.52 100.77 139.65 HATCREEK 7218 to VNDNBERG 7223 698706547.67 11.67 698706547.67 11.67 -302.60 9.06 162.14 101.46 HRAS_085 7216 to MON_PEAK 7274 1205751542.28 7.93 1205751542.28 7.93 -257.27 4.57 -32.74 66.48 HRAS_085 7216 to OVRO_130 7207 1508195396.08 5.51 1508195396.08 5.51 -2.34 2.85 11.43 37.73 HRAS_085 7216 to QUINCY 7221 1849591388.19 25.96 1849591388.19 25.96 54.59 12.13 141.47 138.10 HRAS_085 7216 to VNDNBERG 7223 1617713729.75 13.86 1617713729.75 13.86 -409.68 9.01 122.34 102.35 MON_PEAK 7274 to OVRO_130 7207 510423764.30 5.69 510423764.30 5.69 -261.41 3.32 -14.86 62.19 OVRO_130 7207 to QUINCY 7221 382696335.58 12.76 382696335.58 12.76 51.22 12.32 131.63 138.48 OVRO_130 7207 to VNDNBERG 7223 363980344.98 8.82 363980344.98 8.82 -567.25 9.57 172.78 100.70 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:42 Correlator type: Unknown Experiment code: ia172 Mark-3 db_name: $84APR13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840413_a Ver 2 ia172 Matrix Condition Number = 3.910613817239162E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.6 6.8 840.6 3.9 39.1 4.6 RICHMOND MET 22.4 4.5 1010.9 0.9 46.3 1.4 WESTFORD MET 7.1 2.4 1008.6 1.3 16.3 5.1 WETTZELL MET 8.3 5.2 952.7 1.7 64.3 6.9 Run 26091-1744 401 Observation Pairs Available Session started on: 2445804.256700 1984.04.13 18:09:38.880 UTC Nominal duration: 87566.400 sec 01 00:19:26.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 271 58.533 ps 0.93 1.3624 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 279 Number of potentially good observations with QC 5-9: 279 Number of used observations: 271 ( 97.13%) Number of suppressed observations: 8 ( 2.87%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 35 38 37.874 0.86 19840413_a ia172 1984.04.14-06:19:22.0 BAS_STAT HRAS_085 WESTFORD 68 70 64.346 0.92 19840413_a ia172 1984.04.14-06:19:22.0 BAS_STAT HRAS_085 WETTZELL 28 28 91.909 0.95 19840413_a ia172 1984.04.14-06:19:22.0 BAS_STAT RICHMOND WESTFORD 43 43 99.494 1.04 19840413_a ia172 1984.04.14-06:19:22.0 BAS_STAT RICHMOND WETTZELL 17 18 69.096 0.97 19840413_a ia172 1984.04.14-06:19:22.0 BAS_STAT WESTFORD WETTZELL 80 82 49.856 0.89 19840413_a ia172 1984.04.14-06:19:22.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 14 20 67.337 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 0212+735 J0217+7349 22 22 37 66.734 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 0234+285 J0237+2848 18 18 30 64.886 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 0528+134 J0530+1331 20 20 32 73.435 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 0552+398 J0555+3948 26 26 35 49.156 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 1803+784 J1800+7828 18 18 26 70.557 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 2216-038 J2218-0335 16 17 20 57.617 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 3C273B J1229+0203 22 22 24 23.796 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 3C345 J1642+3948 28 28 37 39.530 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 3C454.3 J2253+1608 16 16 23 92.624 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: 4C39.25 J0927+3902 17 18 27 69.724 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: OJ287 J0854+2006 20 21 26 43.561 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: OQ208 J1407+2827 24 24 30 120.785 19840413_a ia172 1984.04.14-06:19:22.080 SRC_STAT: VR422201 J2202+4216 15 15 34 86.643 19840413_a ia172 1984.04.14-06:19:22.080 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.14-06:18:49 1. HRAS_085 7216 NOAM X Comp -1324211085.55 mm -68.547 mm 12.735 mm 14.865 mm 2. HRAS_085 7216 NOAM Y Comp -5332023129.32 mm -47.317 mm 41.456 mm 48.389 mm 3. HRAS_085 7216 NOAM Z Comp 3232118500.83 mm 193.830 mm 27.072 mm 31.599 mm HRAS_085 7216 U Comp 152.50 mm 152.502 mm 49.928 mm 46.434 mm HRAS_085 7216 E Comp -55.12 mm -55.121 mm 7.333 mm 6.820 mm HRAS_085 7216 N Comp 134.95 mm 134.953 mm 8.192 mm 7.619 mm 4. HRAS_085 CL 0 1984.04.13-18:09:06.696 2928.784 ns 0.380 ns 0.444 ns 5. HRAS_085 CL 1 1984.04.13-18:09:06.696 69.444 D-14 2.171 D-14 2.534 D-14 6. HRAS_085 CL 2 1984.04.13-18:09:06.696 1.376 D-14/day 1.879 D-14/day 2.194 D-14/day 32. HRAS_085 AT 0 1984.04.13-18:09:06.696 -312.403 ps 125.415 ps 146.388 ps HRAS_085 Atm 1984.04.14-06:39:38.880 Avg: -298.827 ps Rms: 17.960 ps Tot_Rms: 299.366 ps || Nat: 91 Dura: 86900.0 sec Tzd_avg: 6507.4 Tzd_rms: 25.8 Wzd_avg: 126.8 Wzd_rms: 20.8 ps Prs_avg: 84057. Pa Tem_avg: 14.6 C Stm_avg: -2.6 C Stm_rms: 1.5 K Spr_avg: 95. Spr_rms: 108. Pa 108. HRAS_085 NG 1984.04.13-18:08:06.696 -0.035 mm 0.422 mm 0.493 mm 109. HRAS_085 EG 1984.04.13-18:08:06.696 -0.020 mm 0.422 mm 0.493 mm 110. HRAS_085 NG 1984.04.14-02:08:06.696 0.001 mm 0.377 mm 0.440 mm 111. HRAS_085 EG 1984.04.14-02:08:06.696 0.015 mm 0.377 mm 0.440 mm 112. HRAS_085 NG 1984.04.14-10:08:06.696 0.022 mm 0.377 mm 0.440 mm 113. HRAS_085 EG 1984.04.14-10:08:06.696 0.036 mm 0.377 mm 0.440 mm 114. HRAS_085 NG 1984.04.14-18:08:06.696 -0.005 mm 0.422 mm 0.493 mm 115. HRAS_085 EG 1984.04.14-18:08:06.696 0.012 mm 0.422 mm 0.493 mm 116. RICHMOND 7219 NOAM X Comp 961257995.45 mm -23.550 mm 8.907 mm 10.396 mm 117. RICHMOND 7219 NOAM Y Comp -5674090019.47 mm 30.530 mm 30.210 mm 35.262 mm 118. RICHMOND 7219 NOAM Z Comp 2740533841.11 mm 43.109 mm 17.324 mm 20.221 mm RICHMOND 7219 U Comp -12.05 mm -12.054 mm 33.395 mm 31.058 mm RICHMOND 7219 E Comp -18.12 mm -18.120 mm 8.842 mm 8.223 mm RICHMOND 7219 N Comp 53.59 mm 53.586 mm 9.934 mm 9.239 mm 119. RICHMOND CL 0 1984.04.13-18:09:06.696 950.526 ns 0.173 ns 0.202 ns 120. RICHMOND CL 1 1984.04.13-18:09:06.696 -29.754 D-14 2.105 D-14 2.458 D-14 121. RICHMOND CL 2 1984.04.13-18:09:06.696 -1.583 D-14/day 1.843 D-14/day 2.151 D-14/day 147. RICHMOND AT 0 1984.04.13-18:09:06.696 -141.586 ps 49.157 ps 57.378 ps RICHMOND Atm 1984.04.14-06:39:38.880 Avg: -177.597 ps Rms: 35.089 ps Tot_Rms: 181.030 ps || Nat: 78 Dura: 87560.0 sec Tzd_avg: 8395.0 Tzd_rms: 51.9 Wzd_avg: 730.2 Wzd_rms: 55.5 ps Prs_avg: 101093. Pa Tem_avg: 22.6 C Stm_avg: -3.4 C Stm_rms: 4.3 K Spr_avg: -45. Spr_rms: 91. Pa 223. RICHMOND NG 1984.04.13-18:08:06.696 0.005 mm 0.422 mm 0.493 mm 224. RICHMOND EG 1984.04.13-18:08:06.696 0.014 mm 0.422 mm 0.493 mm 225. RICHMOND NG 1984.04.14-02:08:06.696 -0.001 mm 0.377 mm 0.440 mm 226. RICHMOND EG 1984.04.14-02:08:06.696 0.013 mm 0.377 mm 0.440 mm 227. RICHMOND NG 1984.04.14-10:08:06.696 0.003 mm 0.377 mm 0.440 mm 228. RICHMOND EG 1984.04.14-10:08:06.696 -0.035 mm 0.377 mm 0.440 mm 229. RICHMOND NG 1984.04.14-18:08:06.696 0.008 mm 0.422 mm 0.493 mm 230. RICHMOND EG 1984.04.14-18:08:06.696 -0.014 mm 0.422 mm 0.493 mm 231. WESTFORD 7209 NOAM X Comp 1492206588.62 mm 45.618 mm 7.334 mm 8.560 mm 232. WESTFORD 7209 NOAM Y Comp -4458130366.83 mm 155.171 mm 19.386 mm 22.628 mm 233. WESTFORD 7209 NOAM Z Comp 4296015491.63 mm -55.366 mm 14.709 mm 17.169 mm WESTFORD 7209 U Comp -135.12 mm -135.121 mm 22.599 mm 21.017 mm WESTFORD 7209 E Comp 92.51 mm 92.511 mm 9.577 mm 8.907 mm WESTFORD 7209 N Comp 49.08 mm 49.075 mm 6.599 mm 6.137 mm 234. WESTFORD AT 0 1984.04.13-18:09:06.696 33.243 ps 38.685 ps 45.154 ps WESTFORD Atm 1984.04.14-06:39:38.880 Avg: -6.901 ps Rms: 36.602 ps Tot_Rms: 37.247 ps || Nat: 136 Dura: 85280.0 sec Tzd_avg: 7977.8 Tzd_rms: 45.2 Wzd_avg: 345.4 Wzd_rms: 37.0 ps Prs_avg: 100868. Pa Tem_avg: 6.9 C Stm_avg: 1.8 C Stm_rms: 1.6 K Spr_avg: 197. Spr_rms: 47. Pa 310. WESTFORD NG 1984.04.13-18:08:06.696 0.035 mm 0.422 mm 0.492 mm 311. WESTFORD EG 1984.04.13-18:08:06.696 -0.003 mm 0.421 mm 0.491 mm 312. WESTFORD NG 1984.04.14-02:08:06.696 -0.014 mm 0.377 mm 0.440 mm 313. WESTFORD EG 1984.04.14-02:08:06.696 -0.014 mm 0.376 mm 0.439 mm 314. WESTFORD NG 1984.04.14-10:08:06.696 -0.025 mm 0.377 mm 0.440 mm 315. WESTFORD EG 1984.04.14-10:08:06.696 -0.002 mm 0.376 mm 0.439 mm 316. WESTFORD NG 1984.04.14-18:08:06.696 -0.002 mm 0.422 mm 0.493 mm 317. WESTFORD EG 1984.04.14-18:08:06.696 -0.005 mm 0.421 mm 0.492 mm 318. WETTZELL 7224 EURA X Comp 4075539887.48 mm 46.479 mm 15.127 mm 17.656 mm 319. WETTZELL 7224 EURA Y Comp 931735175.62 mm -138.383 mm 19.558 mm 22.829 mm 320. WETTZELL 7224 EURA Z Comp 4801629211.43 mm -181.573 mm 21.960 mm 25.632 mm WETTZELL 7224 U Comp -127.87 mm -127.871 mm 23.703 mm 22.045 mm WETTZELL 7224 E Comp -145.26 mm -145.262 mm 19.081 mm 17.746 mm WETTZELL 7224 N Comp -129.72 mm -129.719 mm 12.948 mm 12.042 mm 321. WETTZELL CL 0 1984.04.13-18:09:06.696 -616.670 ns 0.177 ns 0.206 ns 322. WETTZELL CL 1 1984.04.13-18:09:06.696 -225.951 D-14 2.132 D-14 2.489 D-14 323. WETTZELL CL 2 1984.04.13-18:09:06.696 -1.684 D-14/day 1.872 D-14/day 2.185 D-14/day 349. WETTZELL AT 0 1984.04.13-18:09:06.696 -2.403 ps 39.271 ps 45.838 ps WETTZELL Atm 1984.04.14-06:39:38.880 Avg: -16.954 ps Rms: 10.505 ps Tot_Rms: 19.945 ps || Nat: 93 Dura: 85420.0 sec Tzd_avg: 7384.8 Tzd_rms: 17.7 Wzd_avg: 192.8 Wzd_rms: 7.8 ps Prs_avg: 95275. Pa Tem_avg: 8.1 C Stm_avg: 0.2 C Stm_rms: 2.2 K Spr_avg: 429. Spr_rms: 44. Pa 425. WETTZELL NG 1984.04.13-18:08:06.696 -0.009 mm 0.422 mm 0.493 mm 426. WETTZELL EG 1984.04.13-18:08:06.696 -0.006 mm 0.422 mm 0.493 mm 427. WETTZELL NG 1984.04.14-02:08:06.696 0.032 mm 0.377 mm 0.440 mm 428. WETTZELL EG 1984.04.14-02:08:06.696 0.017 mm 0.377 mm 0.440 mm 429. WETTZELL NG 1984.04.14-10:08:06.696 0.014 mm 0.377 mm 0.440 mm 430. WETTZELL EG 1984.04.14-10:08:06.696 0.013 mm 0.377 mm 0.440 mm 431. WETTZELL NG 1984.04.14-18:08:06.696 -0.009 mm 0.422 mm 0.493 mm 432. WETTZELL EG 1984.04.14-18:08:06.696 -0.009 mm 0.422 mm 0.493 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.24 ps/h NRMS 0.20 share 0.94 count 76 2. RICHMOND Input 50.00 ps/h RMS 20.96 ps/h NRMS 0.42 share 0.94 count 76 3. WESTFORD Input 50.00 ps/h RMS 19.58 ps/h NRMS 0.39 share 0.81 count 76 4. WETTZELL Input 50.00 ps/h RMS 11.97 ps/h NRMS 0.24 share 0.87 count 76 Overall RMS 16.36 ps/h NRMS 0.33 share 0.89 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.64 D-14 NRMS 0.53 share 0.33 count 26 2. RICHMOND Input 5.00 D-14 RMS 3.89 D-14 NRMS 0.78 share 0.50 count 26 4. WETTZELL Input 5.00 D-14 RMS 2.30 D-14 NRMS 0.46 share 0.35 count 26 Overall RMS 3.02 D-14 NRMS 0.60 share 0.39 count 78 433. UT1-TAI 1, 1984.04.14-06:19:00.000 -2.7897 ms/d -14.82 micros/d 61.10 micros/d 71.31 micros/d EOP epoch (TDT) MJD: 45804.263567 NUT epoch (TDT) MJD: 45804.224315 434. Nutation DPSI wrt apriori model 1984.04.14-06:18:49.896 0.062 mas 958.2 microasec 1118.4 microasec Nutation Dx wrt apriori model 1984.04.14-06:18:49.896 0.025 mas 379.8 microasec 443.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.14-06:18:49.896 5.907 mas 958.2 microasec 1118.4 microasec 435. Nutation DEPS wrt apriori model 1984.04.14-06:18:49.896 -0.083 mas 398.2 microasec 464.8 microasec Nutation Dy wrt apriori model 1984.04.14-06:18:49.896 -0.083 mas 399.5 microasec 466.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.14-06:18:49.896 0.184 mas 398.2 microasec 464.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5195 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632886.25 17.43 2362632886.25 17.43 81.96 11.12 141.55 73.18 HRAS_085 7216 to WESTFORD 7209 3134928050.64 18.47 3134928050.64 18.47 118.57 7.00 310.70 65.61 HRAS_085 7216 to WETTZELL 7224 8417561555.70 47.53 8417561555.70 47.53 317.11 8.01 240.42 57.45 RICHMOND 7219 to WESTFORD 7209 2044501760.96 13.96 2044501760.96 13.96 97.82 7.46 141.96 42.83 RICHMOND 7219 to WETTZELL 7224 7588398535.70 31.24 7588398535.70 31.24 221.23 9.83 53.06 43.29 WESTFORD 7209 to WETTZELL 7224 5998325327.31 15.21 5998325327.31 15.21 164.04 5.26 9.73 34.51 NNT_POS: 5 stations participated in NNT_POS constraints: FLAGSTAF HATCREEK HRAS_085 MOJAVE12 PLATTVIL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:45 Correlator type: Unknown Experiment code: cdp84h Mark-3 db_name: $84APR17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840417_a Ver 2 cdp84h Matrix Condition Number = 9.777230782972580E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- FLAGSTAF: GION | | HATCREEK: GION | | HRAS_085: GION | | MOJAVE12: GION | | PLATTVIL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for FLAGSTAF is 5.0 Elevation cut for HATCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for PLATTVIL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms FLAGSTAF MET 15.9 3.6 782.5 1.1 12.9 4.5 HATCREEK MET 10.0 3.5 901.1 0.2 79.2 8.0 HRAS_085 MET 19.1 2.5 837.0 1.3 39.3 2.8 MOJAVE12 MET 16.0 5.2 905.2 0.9 60.7 2.3 PLATTVIL MET 12.9 7.8 841.0 1.3 13.4 17.0 Run 26091-1744 802 Observation Pairs Available Session started on: 2445808.130800 1984.04.17 15:08:21.120 UTC Nominal duration: 86987.520 sec 01 00:09:47.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 505 27.607 ps 0.88 1.0947 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 509 Number of potentially good observations with QC 5-9: 509 Number of used observations: 505 ( 99.21%) Number of suppressed observations: 4 ( 0.79%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps FLAGSTAF HATCREEK 30 30 93.970 0.91 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT FLAGSTAF HRAS_085 12 12 89.856 0.95 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT FLAGSTAF MOJAVE12 24 24 24.480 0.79 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT FLAGSTAF-PLATTVIL No Data HATCREEK HRAS_085 97 97 19.104 0.80 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT HATCREEK MOJAVE12 96 96 32.278 0.93 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT HATCREEK PLATTVIL 66 66 100.145 0.92 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT HRAS_085 MOJAVE12 100 104 18.229 0.86 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT HRAS_085 PLATTVIL 28 28 84.227 0.90 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT MOJAVE12 PLATTVIL 52 52 98.758 0.92 19840417_a cdp84h 1984.04.18-03:13:14.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 25 25 43 45.754 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 0552+398 J0555+3948 22 22 34 38.042 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 0727-115 J0730-1141 19 20 35 34.646 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 1921-293 J1924-2914 17 17 21 24.733 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 2134+00 J2136+0041 36 36 53 26.195 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 3C120 J0433+0521 11 11 34 77.789 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 3C273B J1229+0203 63 63 93 16.532 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 3C279 J1256-0547 30 30 50 18.690 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 3C345 J1642+3948 48 48 68 21.466 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 3C418 J2038+5119 30 31 69 43.897 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 3C454.3 J2253+1608 36 36 65 28.630 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 3C84 J0319+4130 79 81 85 29.566 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: 4C39.25 J0927+3902 43 43 85 37.199 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: NRAO150 J0359+5057 18 18 30 44.112 19840417_a cdp84h 1984.04.18-03:13:14.880 SRC_STAT: NRAO530 J1733-1304 28 28 37 25.674 19840417_a cdp84h 1984.04.18-03:13:14.880 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.18-03:12:42 1. FLAGSTAF 7261 NOAM X Comp -1923992816.58 mm 14.419 mm 37.501 mm 39.237 mm 2. FLAGSTAF 7261 NOAM Y Comp -4850854554.49 mm 104.511 mm 94.986 mm 99.381 mm 3. FLAGSTAF 7261 NOAM Z Comp 3658589312.96 mm -1.038 mm 73.897 mm 77.317 mm FLAGSTAF 7261 U Comp -84.31 mm -84.312 mm 125.274 mm 110.502 mm FLAGSTAF 7261 E Comp -25.13 mm -25.128 mm 7.853 mm 6.927 mm FLAGSTAF 7261 N Comp 58.24 mm 58.237 mm 11.582 mm 10.216 mm 4. FLAGSTAF CL 0 1984.04.17-15:07:48.936 -146.662 ns 0.759 ns 0.794 ns 5. FLAGSTAF CL 1 1984.04.17-15:07:48.936 146.079 D-14 3.744 D-14 3.917 D-14 6. FLAGSTAF CL 2 1984.04.17-15:07:48.936 -7.959 D-14/day 8.036 D-14/day 8.408 D-14/day 32. FLAGSTAF AT 0 1984.04.17-15:07:48.936 -159.773 ps 282.614 ps 295.692 ps FLAGSTAF Atm 1984.04.18-03:38:21.120 Avg: -172.912 ps Rms: 6.914 ps Tot_Rms: 173.051 ps || Nat: 66 Dura: 59858.0 sec Tzd_avg: 6113.7 Tzd_rms: 12.8 Wzd_avg: 166.9 Wzd_rms: 20.2 ps Prs_avg: 78251. Pa Tem_avg: 15.9 C Stm_avg: 1.7 C Stm_rms: 1.3 K Spr_avg: -40. Spr_rms: 62. Pa 108. FLAGSTAF NG 1984.04.17-15:06:48.936 -0.004 mm 0.422 mm 0.442 mm 109. FLAGSTAF EG 1984.04.17-15:06:48.936 0.004 mm 0.422 mm 0.442 mm 110. FLAGSTAF NG 1984.04.17-23:06:48.936 -0.004 mm 0.377 mm 0.394 mm 111. FLAGSTAF EG 1984.04.17-23:06:48.936 -0.000 mm 0.377 mm 0.395 mm 112. FLAGSTAF NG 1984.04.18-07:06:48.936 -0.002 mm 0.377 mm 0.395 mm 113. FLAGSTAF EG 1984.04.18-07:06:48.936 -0.001 mm 0.377 mm 0.395 mm 114. FLAGSTAF NG 1984.04.18-15:06:48.936 -0.001 mm 0.422 mm 0.442 mm 115. FLAGSTAF EG 1984.04.18-15:06:48.936 -0.000 mm 0.422 mm 0.442 mm 116. HATCREEK 7218 NOAM X Comp -2523970038.33 mm 65.673 mm 10.802 mm 11.301 mm 117. HATCREEK 7218 NOAM Y Comp -4123506336.12 mm -32.117 mm 27.672 mm 28.952 mm 118. HATCREEK 7218 NOAM Z Comp 4147752506.92 mm -30.079 mm 21.551 mm 22.549 mm HATCREEK 7218 U Comp -24.88 mm -24.877 mm 35.768 mm 31.550 mm HATCREEK 7218 E Comp 72.78 mm 72.781 mm 6.555 mm 5.782 mm HATCREEK 7218 N Comp -18.26 mm -18.259 mm 4.955 mm 4.371 mm 119. HATCREEK CL 0 1984.04.17-15:07:48.936 7425.326 ns 0.129 ns 0.135 ns 120. HATCREEK CL 1 1984.04.17-15:07:48.936 61.971 D-14 2.050 D-14 2.145 D-14 121. HATCREEK CL 2 1984.04.17-15:07:48.936 4.303 D-14/day 1.741 D-14/day 1.821 D-14/day 147. HATCREEK AT 0 1984.04.17-15:07:48.936 27.537 ps 61.328 ps 64.166 ps HATCREEK Atm 1984.04.18-03:38:21.120 Avg: -11.716 ps Rms: 26.699 ps Tot_Rms: 29.157 ps || Nat: 107 Dura: 86990.0 sec Tzd_avg: 7021.9 Tzd_rms: 60.7 Wzd_avg: 237.2 Wzd_rms: 61.4 ps Prs_avg: 90111. Pa Tem_avg: 9.7 C Stm_avg: 2.8 C Stm_rms: 1.5 K Spr_avg: 683. Spr_rms: 57. Pa 223. HATCREEK NG 1984.04.17-15:06:48.936 0.060 mm 0.421 mm 0.440 mm 224. HATCREEK EG 1984.04.17-15:06:48.936 -0.088 mm 0.421 mm 0.440 mm 225. HATCREEK NG 1984.04.17-23:06:48.936 -0.018 mm 0.376 mm 0.394 mm 226. HATCREEK EG 1984.04.17-23:06:48.936 0.066 mm 0.375 mm 0.392 mm 227. HATCREEK NG 1984.04.18-07:06:48.936 -0.046 mm 0.376 mm 0.393 mm 228. HATCREEK EG 1984.04.18-07:06:48.936 0.124 mm 0.375 mm 0.392 mm 229. HATCREEK NG 1984.04.18-15:06:48.936 0.003 mm 0.421 mm 0.441 mm 230. HATCREEK EG 1984.04.18-15:06:48.936 0.075 mm 0.420 mm 0.439 mm 231. HRAS_085 7216 NOAM X Comp -1324211085.03 mm -68.029 mm 10.868 mm 11.371 mm 232. HRAS_085 7216 NOAM Y Comp -5332023136.04 mm -54.040 mm 30.650 mm 32.068 mm 233. HRAS_085 7216 NOAM Z Comp 3232118344.44 mm 37.438 mm 22.548 mm 23.592 mm HRAS_085 7216 U Comp 78.31 mm 78.312 mm 38.905 mm 34.318 mm HRAS_085 7216 E Comp -53.00 mm -52.998 mm 4.635 mm 4.088 mm HRAS_085 7216 N Comp -2.87 mm -2.870 mm 5.555 mm 4.900 mm 234. HRAS_085 CL 0 1984.04.17-15:07:48.936 -106.210 ns 0.157 ns 0.165 ns 235. HRAS_085 CL 1 1984.04.17-15:07:48.936 186.858 D-14 2.053 D-14 2.148 D-14 236. HRAS_085 CL 2 1984.04.17-15:07:48.936 9.261 D-14/day 1.756 D-14/day 1.838 D-14/day 262. HRAS_085 AT 0 1984.04.17-15:07:48.936 -74.796 ps 75.913 ps 79.426 ps HRAS_085 Atm 1984.04.18-03:38:21.120 Avg: -102.482 ps Rms: 21.352 ps Tot_Rms: 104.682 ps || Nat: 110 Dura: 86990.0 sec Tzd_avg: 6577.1 Tzd_rms: 63.0 Wzd_avg: 220.9 Wzd_rms: 68.5 ps Prs_avg: 83696. Pa Tem_avg: 19.1 C Stm_avg: -3.2 C Stm_rms: 2.0 K Spr_avg: 15. Spr_rms: 58. Pa 338. HRAS_085 NG 1984.04.17-15:06:48.936 -0.011 mm 0.421 mm 0.441 mm 339. HRAS_085 EG 1984.04.17-15:06:48.936 0.042 mm 0.421 mm 0.440 mm 340. HRAS_085 NG 1984.04.17-23:06:48.936 -0.009 mm 0.376 mm 0.394 mm 341. HRAS_085 EG 1984.04.17-23:06:48.936 0.016 mm 0.376 mm 0.393 mm 342. HRAS_085 NG 1984.04.18-07:06:48.936 0.035 mm 0.376 mm 0.394 mm 343. HRAS_085 EG 1984.04.18-07:06:48.936 0.013 mm 0.376 mm 0.393 mm 344. HRAS_085 NG 1984.04.18-15:06:48.936 0.001 mm 0.421 mm 0.441 mm 345. HRAS_085 EG 1984.04.18-15:06:48.936 -0.050 mm 0.421 mm 0.441 mm 346. MOJAVE12 7222 NOAM X Comp -2356171118.98 mm -22.977 mm 11.122 mm 11.636 mm 347. MOJAVE12 7222 NOAM Y Comp -4646755902.56 mm -70.561 mm 27.646 mm 28.925 mm 348. MOJAVE12 7222 NOAM Z Comp 3668470552.60 mm -28.398 mm 21.443 mm 22.436 mm MOJAVE12 7222 U Comp 43.40 mm 43.396 mm 36.202 mm 31.933 mm MOJAVE12 7222 E Comp 11.42 mm 11.417 mm 4.498 mm 3.967 mm MOJAVE12 7222 N Comp -65.57 mm -65.571 mm 4.123 mm 3.637 mm 349. MOJAVE12 AT 0 1984.04.17-15:07:48.936 -36.541 ps 60.134 ps 62.917 ps MOJAVE12 Atm 1984.04.18-03:38:21.120 Avg: -38.197 ps Rms: 33.095 ps Tot_Rms: 50.540 ps || Nat: 114 Dura: 86990.0 sec Tzd_avg: 7038.7 Tzd_rms: 36.0 Wzd_avg: 176.4 Wzd_rms: 39.5 ps Prs_avg: 90516. Pa Tem_avg: 15.6 C Stm_avg: 0.2 C Stm_rms: 1.2 K Spr_avg: 144. Spr_rms: 36. Pa 425. MOJAVE12 NG 1984.04.17-15:06:48.936 -0.020 mm 0.419 mm 0.438 mm 426. MOJAVE12 EG 1984.04.17-15:06:48.936 0.061 mm 0.419 mm 0.438 mm 427. MOJAVE12 NG 1984.04.17-23:06:48.936 0.052 mm 0.375 mm 0.393 mm 428. MOJAVE12 EG 1984.04.17-23:06:48.936 -0.005 mm 0.374 mm 0.392 mm 429. MOJAVE12 NG 1984.04.18-07:06:48.936 -0.002 mm 0.375 mm 0.392 mm 430. MOJAVE12 EG 1984.04.18-07:06:48.936 -0.079 mm 0.374 mm 0.391 mm 431. MOJAVE12 NG 1984.04.18-15:06:48.936 -0.018 mm 0.421 mm 0.440 mm 432. MOJAVE12 EG 1984.04.18-15:06:48.936 -0.005 mm 0.419 mm 0.438 mm 433. PLATTVIL 7258 NOAM X Comp -1240708239.09 mm 10.913 mm 17.550 mm 18.362 mm 434. PLATTVIL 7258 NOAM Y Comp -4720454284.79 mm 52.207 mm 50.921 mm 53.277 mm 435. PLATTVIL 7258 NOAM Z Comp 4094481575.08 mm 22.077 mm 40.538 mm 42.414 mm PLATTVIL 7258 U Comp -26.45 mm -26.450 mm 66.137 mm 58.338 mm PLATTVIL 7258 E Comp -2.72 mm -2.717 mm 7.240 mm 6.386 mm PLATTVIL 7258 N Comp 51.24 mm 51.236 mm 10.851 mm 9.572 mm 436. PLATTVIL CL 0 1984.04.17-15:07:48.936 -9369.390 ns 0.392 ns 0.410 ns 437. PLATTVIL CL 1 1984.04.17-15:07:48.936 31.226 D-14 2.208 D-14 2.310 D-14 438. PLATTVIL CL 2 1984.04.17-15:07:48.936 9.759 D-14/day 1.888 D-14/day 1.976 D-14/day 464. PLATTVIL AT 0 1984.04.17-15:07:48.936 38.737 ps 132.843 ps 138.991 ps PLATTVIL Atm 1984.04.18-03:38:21.120 Avg: -20.128 ps Rms: 30.089 ps Tot_Rms: 36.200 ps || Nat: 104 Dura: 86160.0 sec Tzd_avg: 6588.5 Tzd_rms: 28.6 Wzd_avg: 205.9 Wzd_rms: 32.7 ps Prs_avg: 84103. Pa Tem_avg: 13.0 C Stm_avg: -3.3 C Stm_rms: 3.6 K Spr_avg: 4. Spr_rms: 42. Pa 540. PLATTVIL NG 1984.04.17-15:06:48.936 -0.012 mm 0.422 mm 0.442 mm 541. PLATTVIL EG 1984.04.17-15:06:48.936 0.004 mm 0.422 mm 0.442 mm 542. PLATTVIL NG 1984.04.17-23:06:48.936 -0.001 mm 0.377 mm 0.395 mm 543. PLATTVIL EG 1984.04.17-23:06:48.936 0.015 mm 0.377 mm 0.394 mm 544. PLATTVIL NG 1984.04.18-07:06:48.936 0.003 mm 0.377 mm 0.394 mm 545. PLATTVIL EG 1984.04.18-07:06:48.936 0.003 mm 0.377 mm 0.394 mm 546. PLATTVIL NG 1984.04.18-15:06:48.936 0.011 mm 0.422 mm 0.442 mm 547. PLATTVIL EG 1984.04.18-15:06:48.936 0.001 mm 0.422 mm 0.442 mm Atmosphere Constraint Statistics 1. FLAGSTAF Input 50.00 ps/h RMS 8.61 ps/h NRMS 0.17 share 0.97 count 76 2. HATCREEK Input 50.00 ps/h RMS 21.88 ps/h NRMS 0.44 share 0.77 count 76 3. HRAS_085 Input 50.00 ps/h RMS 19.74 ps/h NRMS 0.39 share 0.79 count 76 4. MOJAVE12 Input 50.00 ps/h RMS 24.47 ps/h NRMS 0.49 share 0.76 count 76 5. PLATTVIL Input 50.00 ps/h RMS 8.89 ps/h NRMS 0.18 share 0.95 count 76 Overall RMS 18.00 ps/h NRMS 0.36 share 0.85 count 380 Gradient Constraint Statistics 1. FLAGSTAF Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.00 share 0.54 count 8 2. HATCREEK Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.53 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 4. MOJAVE12 Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.09 share 0.53 count 8 5. PLATTVIL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.15 mm/d NRMS 0.07 share 0.53 count 40 Clock Constraint Statistics 1. FLAGSTAF Input 5.00 D-14 RMS 2.59 D-14 NRMS 0.52 share 0.74 count 26 2. HATCREEK Input 5.00 D-14 RMS 1.31 D-14 NRMS 0.26 share 0.18 count 26 3. HRAS_085 Input 5.00 D-14 RMS 1.19 D-14 NRMS 0.24 share 0.18 count 26 5. PLATTVIL Input 5.00 D-14 RMS 2.38 D-14 NRMS 0.48 share 0.41 count 26 Overall RMS 1.97 D-14 NRMS 0.39 share 0.38 count 104 548. UT1-TAI 1, 1984.04.18-03:13:00.000 -2.2399 ms/d -118.28 micros/d 183.75 micros/d 192.25 micros/d EOP epoch (TDT) MJD: 45808.134400 NUT epoch (TDT) MJD: 45808.139792 549. Nutation DPSI wrt apriori model 1984.04.18-03:12:42.696 -1.698 mas 1801.5 microasec 1884.9 microasec Nutation Dx wrt apriori model 1984.04.18-03:12:42.696 -0.674 mas 714.7 microasec 747.8 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.18-03:12:42.696 3.186 mas 1801.5 microasec 1884.9 microasec 550. Nutation DEPS wrt apriori model 1984.04.18-03:12:42.696 -0.491 mas 553.9 microasec 579.5 microasec Nutation Dy wrt apriori model 1984.04.18-03:12:42.696 -0.493 mas 556.4 microasec 582.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.18-03:12:42.696 -0.183 mas 553.9 microasec 579.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1641 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) FLAGSTAF 7261 to HATCREEK 7218 1062209361.52 18.16 1062209361.52 18.16 -5.70 11.48 -60.35 155.33 FLAGSTAF 7261 to HRAS_085 7216 879283126.40 17.00 879283126.40 17.00 69.03 12.06 -168.85 156.82 FLAGSTAF 7261 to MOJAVE12 7222 478050189.50 11.94 478050189.50 11.94 -121.97 14.18 -127.27 155.43 HATCREEK 7218 to HRAS_085 7216 1933473641.20 6.29 1933473641.20 6.29 56.95 2.86 -97.08 26.71 HATCREEK 7218 to MOJAVE12 7222 729148666.50 3.58 729148666.50 3.58 74.27 2.27 -61.53 20.21 HATCREEK 7218 to PLATTVIL 7258 1416314050.98 10.53 1416314050.98 10.53 -71.87 12.64 8.62 73.35 HRAS_085 7216 to MOJAVE12 7222 1313368167.16 5.28 1313368167.16 5.28 -31.58 2.83 36.02 26.67 HRAS_085 7216 to PLATTVIL 7258 1060499658.96 12.97 1060499658.96 12.97 53.96 7.87 108.72 75.88 MOJAVE12 7222 to PLATTVIL 7258 1196316964.36 9.23 1196316964.36 9.23 -110.44 12.24 69.33 74.30 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:48 Correlator type: Unknown Experiment code: ia173 Mark-3 db_name: $84APR18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840418_a Ver 2 ia173 Matrix Condition Number = 1.422682712643102E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.5 2.2 836.0 0.8 42.7 1.0 ONSALA60 MET 4.0 3.1 1027.5 1.8 40.6 17.2 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 RICHMOND MET 18.2 5.4 1017.8 1.2 28.4 2.9 WESTFORD MET 7.1 1.5 1000.3 3.0 56.6 40.0 WETTZELL MET 4.6 4.3 957.9 1.2 43.2 1.8 Run 26091-1744 823 Observation Pairs Available Session started on: 2445809.245900 1984.04.18 17:54:05.760 UTC Nominal duration: 88076.160 sec 01 00:27:56.160 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 440 42.046 ps 0.81 0.9719 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 447 Number of potentially good observations with QC 5-9: 447 Number of used observations: 440 ( 98.43%) Number of suppressed observations: 7 ( 1.57%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 20 20 72.000 0.87 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT HRAS_085 RICHMOND 62 62 35.058 0.78 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT HRAS_085 WESTFORD 61 62 46.510 0.82 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT HRAS_085 WETTZELL 22 22 89.842 0.91 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 RICHMOND 22 23 61.249 0.83 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT ONSALA60 WESTFORD 64 68 63.108 0.86 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT ONSALA60 WETTZELL 52 52 23.778 0.69 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT RICHMOND WESTFORD 58 58 41.647 0.83 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT RICHMOND WETTZELL 25 26 72.147 0.89 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT WESTFORD WETTZELL 54 54 36.812 0.74 19840418_a ia173 1984.04.19-06:08:03.8 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19840418_a ia173 ONSALA85 RICHMOND 0/ 0 deselected baseline 19840418_a ia173 ONSALA85 WESTFORD 0/ 0 deselected baseline 19840418_a ia173 ONSALA85 WETTZELL 0/ 0 deselected baseline 19840418_a ia173 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 29 52.137 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 0212+735 J0217+7349 39 40 106 56.051 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 0234+285 J0237+2848 27 27 40 62.471 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 0528+134 J0530+1331 22 23 34 50.321 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 0552+398 J0555+3948 49 50 74 48.790 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 1803+784 J1800+7828 32 32 79 43.757 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 2216-038 J2218-0335 20 24 34 37.002 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 3C273B J1229+0203 27 27 38 20.096 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 3C345 J1642+3948 38 38 74 37.614 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 3C454.3 J2253+1608 29 29 57 43.639 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: 4C39.25 J0927+3902 37 37 67 45.167 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: OJ287 J0854+2006 55 55 81 39.078 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: OQ208 J1407+2827 31 31 56 51.716 19840418_a ia173 1984.04.19-06:08:03.840 SRC_STAT: VR422201 J2202+4216 17 17 54 61.631 19840418_a ia173 1984.04.19-06:08:03.840 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.19-06:07:31 1. HRAS_085 7216 NOAM X Comp -1324211019.12 mm -2.125 mm 12.906 mm 12.723 mm 2. HRAS_085 7216 NOAM Y Comp -5332023070.26 mm 11.740 mm 40.053 mm 39.486 mm 3. HRAS_085 7216 NOAM Z Comp 3232118461.13 mm 154.133 mm 25.722 mm 25.358 mm HRAS_085 7216 U Comp 69.18 mm 69.183 mm 47.559 mm 38.440 mm HRAS_085 7216 E Comp -4.89 mm -4.892 mm 8.120 mm 6.563 mm HRAS_085 7216 N Comp 138.16 mm 138.164 mm 10.229 mm 8.267 mm 4. HRAS_085 CL 0 1984.04.18-17:53:33.576 2982.439 ns 0.315 ns 0.310 ns 5. HRAS_085 CL 1 1984.04.18-17:53:33.576 43.671 D-14 2.114 D-14 2.084 D-14 6. HRAS_085 CL 2 1984.04.18-17:53:33.576 1.603 D-14/day 1.837 D-14/day 1.811 D-14/day 32. HRAS_085 AT 0 1984.04.18-17:53:33.576 -95.096 ps 116.652 ps 115.002 ps HRAS_085 Atm 1984.04.19-06:24:05.760 Avg: -46.874 ps Rms: 30.576 ps Tot_Rms: 55.965 ps || Nat: 87 Dura: 86160.0 sec Tzd_avg: 6591.3 Tzd_rms: 42.1 Wzd_avg: 243.3 Wzd_rms: 42.8 ps Prs_avg: 83601. Pa Tem_avg: 17.3 C Stm_avg: -2.3 C Stm_rms: 1.2 K Spr_avg: 16. Spr_rms: 63. Pa 108. HRAS_085 NG 1984.04.18-17:52:33.576 -0.006 mm 0.422 mm 0.416 mm 109. HRAS_085 EG 1984.04.18-17:52:33.576 0.002 mm 0.422 mm 0.416 mm 110. HRAS_085 NG 1984.04.19-01:52:33.576 0.002 mm 0.377 mm 0.371 mm 111. HRAS_085 EG 1984.04.19-01:52:33.576 -0.006 mm 0.377 mm 0.371 mm 112. HRAS_085 NG 1984.04.19-09:52:33.576 0.007 mm 0.377 mm 0.372 mm 113. HRAS_085 EG 1984.04.19-09:52:33.576 0.004 mm 0.377 mm 0.371 mm 114. HRAS_085 NG 1984.04.19-17:52:33.576 -0.003 mm 0.422 mm 0.416 mm 115. HRAS_085 EG 1984.04.19-17:52:33.576 0.022 mm 0.422 mm 0.416 mm 116. ONSALA60 7213 EURA X Comp 3370605935.45 mm -53.555 mm 14.404 mm 14.200 mm 117. ONSALA60 7213 EURA Y Comp 711917454.79 mm -74.210 mm 12.749 mm 12.569 mm 118. ONSALA60 7213 EURA Z Comp 5349830632.51 mm -133.487 mm 22.323 mm 22.007 mm ONSALA60 7213 U Comp -148.95 mm -148.949 mm 25.286 mm 20.438 mm ONSALA60 7213 E Comp -61.54 mm -61.541 mm 12.574 mm 10.163 mm ONSALA60 7213 N Comp -14.87 mm -14.867 mm 8.415 mm 6.801 mm 119. ONSALA60 CL 0 1984.04.18-17:53:33.576 -5697.269 ns 0.158 ns 0.156 ns 120. ONSALA60 CL 1 1984.04.18-17:53:33.576 -30.160 D-14 2.092 D-14 2.062 D-14 121. ONSALA60 CL 2 1984.04.18-17:53:33.576 0.029 D-14/day 1.827 D-14/day 1.801 D-14/day 147. ONSALA60 AT 0 1984.04.18-17:53:33.576 30.156 ps 48.283 ps 47.600 ps ONSALA60 Atm 1984.04.19-06:24:05.760 Avg: -15.079 ps Rms: 29.413 ps Tot_Rms: 33.053 ps || Nat: 83 Dura: 86160.0 sec Tzd_avg: 8018.2 Tzd_rms: 45.2 Wzd_avg: 253.8 Wzd_rms: 58.6 ps Prs_avg: 102734. Pa Tem_avg: 4.2 C Stm_avg: -1.5 C Stm_rms: 1.4 K Spr_avg: 226. Spr_rms: 21. Pa 223. ONSALA60 NG 1984.04.18-17:52:33.576 -0.064 mm 0.421 mm 0.415 mm 224. ONSALA60 EG 1984.04.18-17:52:33.576 -0.029 mm 0.422 mm 0.416 mm 225. ONSALA60 NG 1984.04.19-01:52:33.576 -0.013 mm 0.376 mm 0.371 mm 226. ONSALA60 EG 1984.04.19-01:52:33.576 -0.026 mm 0.377 mm 0.371 mm 227. ONSALA60 NG 1984.04.19-09:52:33.576 0.056 mm 0.376 mm 0.371 mm 228. ONSALA60 EG 1984.04.19-09:52:33.576 0.023 mm 0.377 mm 0.371 mm 229. ONSALA60 NG 1984.04.19-17:52:33.576 0.026 mm 0.422 mm 0.416 mm 230. ONSALA60 EG 1984.04.19-17:52:33.576 0.017 mm 0.422 mm 0.416 mm 231. RICHMOND 7219 NOAM X Comp 961258019.09 mm 0.093 mm 8.716 mm 8.593 mm 232. RICHMOND 7219 NOAM Y Comp -5674090019.22 mm 30.776 mm 22.694 mm 22.373 mm 233. RICHMOND 7219 NOAM Z Comp 2740533880.80 mm 82.797 mm 16.491 mm 16.257 mm RICHMOND 7219 U Comp 8.45 mm 8.446 mm 26.449 mm 21.377 mm RICHMOND 7219 E Comp 5.23 mm 5.232 mm 8.494 mm 6.866 mm RICHMOND 7219 N Comp 87.77 mm 87.771 mm 9.553 mm 7.721 mm 234. RICHMOND CL 0 1984.04.18-17:53:33.576 535.273 ns 0.151 ns 0.149 ns 235. RICHMOND CL 1 1984.04.18-17:53:33.576 -69.078 D-14 2.107 D-14 2.077 D-14 236. RICHMOND CL 2 1984.04.18-17:53:33.576 -1.112 D-14/day 1.837 D-14/day 1.811 D-14/day 262. RICHMOND AT 0 1984.04.18-17:53:33.576 -65.840 ps 42.554 ps 41.952 ps RICHMOND Atm 1984.04.19-06:24:05.760 Avg: -129.461 ps Rms: 45.576 ps Tot_Rms: 137.250 ps || Nat: 88 Dura: 87620.0 sec Tzd_avg: 8044.9 Tzd_rms: 26.1 Wzd_avg: 322.8 Wzd_rms: 28.9 ps Prs_avg: 101784. Pa Tem_avg: 18.1 C Stm_avg: -4.7 C Stm_rms: 4.7 K Spr_avg: 80. Spr_rms: 96. Pa 338. RICHMOND NG 1984.04.18-17:52:33.576 0.021 mm 0.422 mm 0.416 mm 339. RICHMOND EG 1984.04.18-17:52:33.576 0.036 mm 0.421 mm 0.415 mm 340. RICHMOND NG 1984.04.19-01:52:33.576 0.025 mm 0.377 mm 0.371 mm 341. RICHMOND EG 1984.04.19-01:52:33.576 0.040 mm 0.376 mm 0.371 mm 342. RICHMOND NG 1984.04.19-09:52:33.576 -0.005 mm 0.377 mm 0.372 mm 343. RICHMOND EG 1984.04.19-09:52:33.576 -0.009 mm 0.376 mm 0.371 mm 344. RICHMOND NG 1984.04.19-17:52:33.576 -0.024 mm 0.422 mm 0.416 mm 345. RICHMOND EG 1984.04.19-17:52:33.576 -0.047 mm 0.422 mm 0.416 mm 346. WESTFORD 7209 NOAM X Comp 1492206604.99 mm 61.988 mm 8.266 mm 8.149 mm 347. WESTFORD 7209 NOAM Y Comp -4458130379.71 mm 142.293 mm 13.284 mm 13.096 mm 348. WESTFORD 7209 NOAM Z Comp 4296015536.84 mm -10.161 mm 13.769 mm 13.574 mm WESTFORD 7209 U Comp -91.70 mm -91.704 mm 17.837 mm 14.417 mm WESTFORD 7209 E Comp 103.95 mm 103.947 mm 8.772 mm 7.090 mm WESTFORD 7209 N Comp 70.56 mm 70.558 mm 6.265 mm 5.064 mm 349. WESTFORD AT 0 1984.04.18-17:53:33.576 -4.042 ps 18.973 ps 18.704 ps WESTFORD Atm 1984.04.19-06:24:05.760 Avg: 12.635 ps Rms: 14.107 ps Tot_Rms: 18.938 ps || Nat: 132 Dura: 87100.0 sec Tzd_avg: 7910.3 Tzd_rms: 35.2 Wzd_avg: 342.5 Wzd_rms: 13.4 ps Prs_avg: 100049. Pa Tem_avg: 7.0 C Stm_avg: -0.3 C Stm_rms: 1.9 K Spr_avg: 230. Spr_rms: 45. Pa 425. WESTFORD NG 1984.04.18-17:52:33.576 -0.004 mm 0.422 mm 0.416 mm 426. WESTFORD EG 1984.04.18-17:52:33.576 -0.067 mm 0.419 mm 0.413 mm 427. WESTFORD NG 1984.04.19-01:52:33.576 -0.032 mm 0.376 mm 0.371 mm 428. WESTFORD EG 1984.04.19-01:52:33.576 -0.032 mm 0.376 mm 0.371 mm 429. WESTFORD NG 1984.04.19-09:52:33.576 -0.011 mm 0.376 mm 0.371 mm 430. WESTFORD EG 1984.04.19-09:52:33.576 0.032 mm 0.376 mm 0.370 mm 431. WESTFORD NG 1984.04.19-17:52:33.576 0.030 mm 0.421 mm 0.415 mm 432. WESTFORD EG 1984.04.19-17:52:33.576 0.041 mm 0.419 mm 0.414 mm 433. WETTZELL 7224 EURA X Comp 4075539834.60 mm -6.401 mm 14.114 mm 13.914 mm 434. WETTZELL 7224 EURA Y Comp 931735203.40 mm -110.598 mm 13.001 mm 12.817 mm 435. WETTZELL 7224 EURA Z Comp 4801629299.72 mm -93.282 mm 18.471 mm 18.210 mm WETTZELL 7224 U Comp -90.76 mm -90.762 mm 21.656 mm 17.503 mm WETTZELL 7224 E Comp -106.39 mm -106.390 mm 12.526 mm 10.125 mm WETTZELL 7224 N Comp -37.66 mm -37.657 mm 9.140 mm 7.388 mm 436. WETTZELL CL 0 1984.04.18-17:53:33.576 109.522 ns 0.155 ns 0.153 ns 437. WETTZELL CL 1 1984.04.18-17:53:33.576 -272.842 D-14 2.101 D-14 2.071 D-14 438. WETTZELL CL 2 1984.04.18-17:53:33.576 -1.701 D-14/day 1.836 D-14/day 1.811 D-14/day 464. WETTZELL AT 0 1984.04.18-17:53:33.576 -29.129 ps 55.975 ps 55.183 ps WETTZELL Atm 1984.04.19-06:24:05.760 Avg: -18.799 ps Rms: 15.181 ps Tot_Rms: 24.163 ps || Nat: 80 Dura: 88080.0 sec Tzd_avg: 7378.1 Tzd_rms: 13.1 Wzd_avg: 147.5 Wzd_rms: 6.8 ps Prs_avg: 95765. Pa Tem_avg: 4.9 C Stm_avg: -0.1 C Stm_rms: 2.5 K Spr_avg: 430. Spr_rms: 36. Pa 540. WETTZELL NG 1984.04.18-17:52:33.576 0.028 mm 0.421 mm 0.416 mm 541. WETTZELL EG 1984.04.18-17:52:33.576 0.034 mm 0.422 mm 0.416 mm 542. WETTZELL NG 1984.04.19-01:52:33.576 -0.004 mm 0.377 mm 0.371 mm 543. WETTZELL EG 1984.04.19-01:52:33.576 0.021 mm 0.377 mm 0.371 mm 544. WETTZELL NG 1984.04.19-09:52:33.576 -0.047 mm 0.376 mm 0.371 mm 545. WETTZELL EG 1984.04.19-09:52:33.576 -0.044 mm 0.377 mm 0.371 mm 546. WETTZELL NG 1984.04.19-17:52:33.576 -0.016 mm 0.422 mm 0.416 mm 547. WETTZELL EG 1984.04.19-17:52:33.576 -0.028 mm 0.422 mm 0.416 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.66 ps/h NRMS 0.19 share 0.92 count 76 2. ONSALA60 Input 50.00 ps/h RMS 14.55 ps/h NRMS 0.29 share 0.86 count 76 4. RICHMOND Input 50.00 ps/h RMS 13.57 ps/h NRMS 0.27 share 0.89 count 76 5. WESTFORD Input 50.00 ps/h RMS 12.14 ps/h NRMS 0.24 share 0.79 count 76 6. WETTZELL Input 50.00 ps/h RMS 9.17 ps/h NRMS 0.18 share 0.88 count 76 Overall RMS 12.00 ps/h NRMS 0.24 share 0.87 count 380 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.54 count 8 4. RICHMOND Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 5. WESTFORD Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.53 count 8 6. WETTZELL Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.53 count 40 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.38 D-14 NRMS 0.48 share 0.30 count 26 2. ONSALA60 Input 5.00 D-14 RMS 1.24 D-14 NRMS 0.25 share 0.32 count 26 4. RICHMOND Input 5.00 D-14 RMS 3.45 D-14 NRMS 0.69 share 0.29 count 26 6. WETTZELL Input 5.00 D-14 RMS 1.66 D-14 NRMS 0.33 share 0.33 count 26 Overall RMS 2.34 D-14 NRMS 0.47 share 0.31 count 104 548. UT1-TAI 1, 1984.04.19-06:08:00.000 -1.8164 ms/d 9.41 micros/d 53.87 micros/d 53.11 micros/d EOP epoch (TDT) MJD: 45809.255928 NUT epoch (TDT) MJD: 45809.187620 549. Nutation DPSI wrt apriori model 1984.04.19-06:07:31.656 1.068 mas 853.2 microasec 841.2 microasec Nutation Dx wrt apriori model 1984.04.19-06:07:31.656 0.425 mas 338.3 microasec 333.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.19-06:07:31.656 6.058 mas 853.2 microasec 841.2 microasec 550. Nutation DEPS wrt apriori model 1984.04.19-06:07:31.656 -0.006 mas 326.2 microasec 321.6 microasec Nutation Dy wrt apriori model 1984.04.19-06:07:31.656 -0.005 mas 327.4 microasec 322.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.19-06:07:31.656 0.209 mas 326.2 microasec 321.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0479 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732217.38 42.53 7940732217.38 42.53 122.86 7.58 218.85 54.60 HRAS_085 7216 to RICHMOND 7219 2362632836.87 12.94 2362632836.87 12.94 51.70 7.29 50.80 65.00 HRAS_085 7216 to WESTFORD 7209 3134928014.44 17.00 3134928014.44 17.00 74.87 5.48 202.68 57.16 HRAS_085 7216 to WETTZELL 7224 8417561479.76 43.81 8417561479.76 43.81 182.30 7.08 152.94 51.19 ONSALA60 7213 to RICHMOND 7219 7307152549.30 23.28 7307152549.30 23.28 78.21 7.49 -140.41 40.19 ONSALA60 7213 to WESTFORD 7209 5600741460.87 14.98 5600741460.87 14.98 8.80 5.78 -82.53 36.31 ONSALA60 7213 to WETTZELL 7224 919660995.18 5.09 919660995.18 5.09 46.03 6.71 -55.08 30.67 RICHMOND 7219 to WESTFORD 7209 2044501755.46 7.72 2044501755.46 7.72 89.11 4.78 129.74 30.52 RICHMOND 7219 to WETTZELL 7224 7588398541.47 23.10 7588398541.47 23.10 127.80 7.59 67.66 36.86 WESTFORD 7209 to WETTZELL 7224 5998325337.66 15.22 5998325337.66 15.22 74.32 5.33 21.92 32.30 NNT_POS: 3 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:51 Correlator type: Unknown Experiment code: xat842 Mark-3 db_name: $84APR19X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840419_a Ver 2 xat842 Matrix Condition Number = 6.948598441335087E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 8.0 1.8 1001.8 2.5 70.7 22.6 ONSALA60 MET 6.3 0.4 1020.6 1.6 66.6 21.1 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 OVRO_130 MET 8.6 4.2 877.4 4.0 14.4 2.4 Run 26091-1744 874 Observation Pairs Available Session started on: 2445810.293100 1984.04.19 19:02:03.840 UTC Nominal duration: 129133.440 sec 01 11:52:13.440 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 459 47.254 ps 0.78 0.8653 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 459 Number of potentially good observations with QC 5-9: 459 Number of used observations: 459 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 228 228 53.746 0.79 19840419_a xat842 1984.04.20-12:58:10.5 BAS_STAT HAYSTACK OVRO_130 149 149 36.448 0.75 19840419_a xat842 1984.04.20-12:58:10.5 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 OVRO_130 82 82 62.165 0.84 19840419_a xat842 1984.04.20-12:58:10.5 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19840419_a xat842 ONSALA85 OVRO_130 0/ 0 deselected baseline 19840419_a xat842 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 29 88.341 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 0212+735 J0217+7349 74 74 145 50.885 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 0528+134 J0530+1331 19 19 35 37.224 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 0552+398 J0555+3948 66 66 118 29.597 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 2134+00 J2136+0041 9 9 19 36.878 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 3C273B J1229+0203 24 24 41 48.410 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 3C345 J1642+3948 53 53 102 41.724 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 3C454.3 J2253+1608 16 16 36 72.751 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: 4C39.25 J0927+3902 68 68 120 49.168 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: OJ287 J0854+2006 46 46 77 33.772 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: OQ208 J1407+2827 43 43 80 61.174 19840419_a xat842 1984.04.20-12:58:10.560 SRC_STAT: VR422201 J2202+4216 28 28 72 95.579 19840419_a xat842 1984.04.20-12:58:10.560 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.20-12:57:38 1. HAYSTACK 7205 NOAM X Comp 1492404729.10 mm 33.098 mm 5.345 mm 4.972 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266400.08 mm 134.923 mm 9.092 mm 8.458 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881804.64 mm 10.644 mm 10.561 mm 9.824 mm HAYSTACK 7205 U Comp -79.20 mm -79.202 mm 13.235 mm 10.379 mm HAYSTACK 7205 E Comp 74.22 mm 74.223 mm 5.806 mm 4.553 mm HAYSTACK 7205 N Comp 87.35 mm 87.355 mm 3.727 mm 2.923 mm 4. HAYSTACK AT 0 1984.04.19-19:01:31.656 8.361 ps 41.257 ps 38.378 ps HAYSTACK Atm 1984.04.20-13:02:03.840 Avg: 3.507 ps Rms: 26.647 ps Tot_Rms: 26.877 ps || Nat: 269 Dura: 129138.0 sec Tzd_avg: 7873.8 Tzd_rms: 17.6 Wzd_avg: 318.4 Wzd_rms: 23.5 ps Prs_avg: 100171. Pa Tem_avg: 8.1 C Stm_avg: 1.5 C Stm_rms: 1.3 K Spr_avg: 526. Spr_rms: 78. Pa 113. HAYSTACK NG 1984.04.19-19:00:31.656 0.019 mm 0.421 mm 0.392 mm 114. HAYSTACK EG 1984.04.19-19:00:31.656 -0.049 mm 0.421 mm 0.392 mm 115. HAYSTACK NG 1984.04.20-03:00:31.656 0.005 mm 0.376 mm 0.350 mm 116. HAYSTACK EG 1984.04.20-03:00:31.656 -0.032 mm 0.376 mm 0.349 mm 117. HAYSTACK NG 1984.04.20-11:00:31.656 -0.089 mm 0.372 mm 0.346 mm 118. HAYSTACK EG 1984.04.20-11:00:31.656 0.011 mm 0.372 mm 0.346 mm 119. HAYSTACK NG 1984.04.20-19:00:31.656 -0.050 mm 0.376 mm 0.350 mm 120. HAYSTACK EG 1984.04.20-19:00:31.656 -0.009 mm 0.375 mm 0.349 mm 121. HAYSTACK NG 1984.04.21-03:00:31.656 0.088 mm 0.420 mm 0.391 mm 122. HAYSTACK EG 1984.04.21-03:00:31.656 0.002 mm 0.421 mm 0.391 mm 123. ONSALA60 7213 EURA X Comp 3370605887.55 mm -101.453 mm 8.518 mm 7.923 mm 124. ONSALA60 7213 EURA Y Comp 711917445.73 mm -83.269 mm 8.332 mm 7.750 mm 125. ONSALA60 7213 EURA Z Comp 5349830695.06 mm -70.943 mm 14.380 mm 13.377 mm ONSALA60 7213 U Comp -122.52 mm -122.522 mm 15.042 mm 11.796 mm ONSALA60 7213 E Comp -60.51 mm -60.506 mm 8.526 mm 6.686 mm ONSALA60 7213 N Comp 59.89 mm 59.890 mm 7.058 mm 5.535 mm 126. ONSALA60 CL 0 1984.04.19-19:01:31.656 -13385.404 ns 0.123 ns 0.114 ns 127. ONSALA60 CL 1 1984.04.19-19:01:31.656 -30.525 D-14 1.688 D-14 1.570 D-14 128. ONSALA60 CL 2 1984.04.19-19:01:31.656 -3.618 D-14/day 0.978 D-14/day 0.910 D-14/day 165. ONSALA60 AT 0 1984.04.19-19:01:31.656 30.137 ps 22.162 ps 20.616 ps ONSALA60 Atm 1984.04.20-13:02:03.840 Avg: 46.898 ps Rms: 12.331 ps Tot_Rms: 48.492 ps || Nat: 236 Dura: 128470.0 sec Tzd_avg: 8049.7 Tzd_rms: 42.9 Wzd_avg: 340.3 Wzd_rms: 48.2 ps Prs_avg: 102064. Pa Tem_avg: 6.3 C Stm_avg: -0.1 C Stm_rms: 0.6 K Spr_avg: 243. Spr_rms: 48. Pa 274. ONSALA60 NG 1984.04.19-19:00:31.656 -0.012 mm 0.422 mm 0.392 mm 275. ONSALA60 EG 1984.04.19-19:00:31.656 0.023 mm 0.422 mm 0.392 mm 276. ONSALA60 NG 1984.04.20-03:00:31.656 0.020 mm 0.375 mm 0.349 mm 277. ONSALA60 EG 1984.04.20-03:00:31.656 0.037 mm 0.376 mm 0.350 mm 278. ONSALA60 NG 1984.04.20-11:00:31.656 0.074 mm 0.372 mm 0.346 mm 279. ONSALA60 EG 1984.04.20-11:00:31.656 0.021 mm 0.373 mm 0.347 mm 280. ONSALA60 NG 1984.04.20-19:00:31.656 0.024 mm 0.376 mm 0.350 mm 281. ONSALA60 EG 1984.04.20-19:00:31.656 0.002 mm 0.376 mm 0.350 mm 282. ONSALA60 NG 1984.04.21-03:00:31.656 0.003 mm 0.421 mm 0.392 mm 283. ONSALA60 EG 1984.04.21-03:00:31.656 -0.008 mm 0.422 mm 0.392 mm 284. OVRO_130 7207 NOAM X Comp -2409600818.64 mm 68.355 mm 6.996 mm 6.508 mm 285. OVRO_130 7207 NOAM Y Comp -4478349515.65 mm -51.654 mm 13.164 mm 12.245 mm 286. OVRO_130 7207 NOAM Z Comp 3838603248.30 mm 60.300 mm 14.393 mm 13.389 mm OVRO_130 7207 U Comp 46.91 mm 46.913 mm 18.675 mm 14.645 mm OVRO_130 7207 E Comp 84.67 mm 84.670 mm 5.704 mm 4.473 mm OVRO_130 7207 N Comp 40.08 mm 40.085 mm 6.936 mm 5.440 mm 287. OVRO_130 CL 0 1984.04.19-19:01:31.656 -15164.420 ns 0.152 ns 0.141 ns 288. OVRO_130 CL 1 1984.04.19-19:01:31.656 -132.033 D-14 1.697 D-14 1.579 D-14 289. OVRO_130 CL 2 1984.04.19-19:01:31.656 -3.003 D-14/day 0.981 D-14/day 0.913 D-14/day 326. OVRO_130 AT 0 1984.04.19-19:01:31.656 -3.123 ps 48.943 ps 45.527 ps OVRO_130 Atm 1984.04.20-13:02:03.840 Avg: 24.619 ps Rms: 32.696 ps Tot_Rms: 40.928 ps || Nat: 161 Dura: 129138.0 sec Tzd_avg: 6791.2 Tzd_rms: 23.5 Wzd_avg: 123.1 Wzd_rms: 5.8 ps Prs_avg: 87792. Pa Tem_avg: 8.7 C Stm_avg: 5.7 C Stm_rms: 3.1 K Spr_avg: -21. Spr_rms: 105. Pa 435. OVRO_130 NG 1984.04.19-19:00:31.656 0.017 mm 0.422 mm 0.393 mm 436. OVRO_130 EG 1984.04.19-19:00:31.656 0.037 mm 0.422 mm 0.393 mm 437. OVRO_130 NG 1984.04.20-03:00:31.656 0.022 mm 0.376 mm 0.350 mm 438. OVRO_130 EG 1984.04.20-03:00:31.656 0.030 mm 0.376 mm 0.350 mm 439. OVRO_130 NG 1984.04.20-11:00:31.656 0.058 mm 0.373 mm 0.347 mm 440. OVRO_130 EG 1984.04.20-11:00:31.656 -0.032 mm 0.373 mm 0.347 mm 441. OVRO_130 NG 1984.04.20-19:00:31.656 0.026 mm 0.376 mm 0.350 mm 442. OVRO_130 EG 1984.04.20-19:00:31.656 -0.025 mm 0.376 mm 0.350 mm 443. OVRO_130 NG 1984.04.21-03:00:31.656 -0.111 mm 0.421 mm 0.392 mm 444. OVRO_130 EG 1984.04.21-03:00:31.656 -0.004 mm 0.421 mm 0.391 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 14.06 ps/h NRMS 0.28 share 0.81 count 109 2. ONSALA60 Input 50.00 ps/h RMS 15.21 ps/h NRMS 0.30 share 0.76 count 109 4. OVRO_130 Input 50.00 ps/h RMS 17.94 ps/h NRMS 0.36 share 0.85 count 109 Overall RMS 15.82 ps/h NRMS 0.32 share 0.81 count 327 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.10 share 0.52 count 10 2. ONSALA60 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.52 count 10 4. OVRO_130 Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.08 share 0.52 count 10 Overall RMS 0.16 mm/d NRMS 0.08 share 0.52 count 30 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 1.00 D-14 NRMS 0.20 share 0.24 count 37 4. OVRO_130 Input 5.00 D-14 RMS 2.18 D-14 NRMS 0.44 share 0.24 count 37 Overall RMS 1.69 D-14 NRMS 0.34 share 0.24 count 74 445. UT1-TAI 1, 1984.04.20-12:58:00.000 -1.4522 ms/d 178.83 micros/d 22.48 micros/d 20.91 micros/d EOP epoch (TDT) MJD: 45810.540650 NUT epoch (TDT) MJD: 45810.531504 446. Nutation DPSI wrt apriori model 1984.04.20-12:57:38.376 -0.744 mas 724.8 microasec 674.2 microasec Nutation Dx wrt apriori model 1984.04.20-12:57:38.376 -0.298 mas 287.4 microasec 267.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.20-12:57:38.376 4.368 mas 724.8 microasec 674.2 microasec 447. Nutation DEPS wrt apriori model 1984.04.20-12:57:38.376 0.600 mas 253.8 microasec 236.1 microasec Nutation Dy wrt apriori model 1984.04.20-12:57:38.376 0.599 mas 254.9 microasec 237.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.20-12:57:38.376 0.540 mas 253.8 microasec 236.1 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.9139 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714509.61 8.81 5599714509.61 8.81 -27.79 4.18 54.87 24.87 HAYSTACK 7205 to OVRO_130 7207 3928881651.00 8.08 3928881651.00 8.08 -92.86 4.93 -168.26 29.43 ONSALA60 7213 to OVRO_130 7207 7914130975.20 18.03 7914130975.20 18.03 -49.64 6.97 -125.53 30.98 NNT_POS: 4 stations participated in NNT_POS constraints: ELY HRAS_085 MOJAVE12 PLATTVIL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:54 Correlator type: Unknown Experiment code: cdp84i Mark-3 db_name: $84APR22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840422_a Ver 2 cdp84i Matrix Condition Number = 6.626980758435739E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- ELY : GION | | HRAS_085: GION | | MOJAVE12: GION | | PLATTVIL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for ELY is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for PLATTVIL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms ELY MET -999.0 0.0 -999.0 0.0-99900.0 0.0 HRAS_085 MET 8.7 4.0 839.7 1.2 49.2 2.7 MOJAVE12 MET 15.4 6.0 912.1 1.4 35.0 1.5 PLATTVIL MET 3.8 2.0 847.1 1.5 51.3 0.3 Run 26091-1744 530 Observation Pairs Available Session started on: 2445813.203800 1984.04.22 16:53:28.320 UTC Nominal duration: 82857.600 sec 00 23:00:57.600 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 251 34.704 ps 0.82 1.0055 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 253 Number of potentially good observations with QC 5-9: 253 Number of used observations: 251 ( 99.21%) Number of suppressed observations: 2 ( 0.79%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps ELY HRAS_085 48 48 102.901 0.94 19840422_a cdp84i 1984.04.23-04:23:57.1 BAS_STAT ELY MOJAVE12 64 64 54.088 0.84 19840422_a cdp84i 1984.04.23-04:23:57.1 BAS_STAT HRAS_085 MOJAVE12 96 98 21.115 0.72 19840422_a cdp84i 1984.04.23-04:23:57.1 BAS_STAT HRAS_085 PLATTVIL 18 18 76.310 0.88 19840422_a cdp84i 1984.04.23-04:23:57.1 BAS_STAT MOJAVE12 PLATTVIL 25 25 62.094 0.80 19840422_a cdp84i 1984.04.23-04:23:57.1 BAS_STAT Not included: ELY PLATTVIL 0/ 0 deselected baseline 19840422_a cdp84i Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0528+134 J0530+1331 7 7 25 66.783 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 0552+398 J0555+3948 10 10 24 34.735 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 0727-115 J0730-1141 8 8 19 58.452 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 1921-293 J1924-2914 9 9 18 39.181 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 2134+00 J2136+0041 19 19 39 32.187 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 3C120 J0433+0521 5 5 21 87.599 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 3C273B J1229+0203 44 44 73 25.039 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 3C279 J1256-0547 10 10 18 34.336 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 3C345 J1642+3948 36 36 57 36.400 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 3C418 J2038+5119 11 11 48 42.106 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 3C454.3 J2253+1608 25 25 45 29.063 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 3C84 J0319+4130 27 29 41 27.504 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: 4C39.25 J0927+3902 13 13 48 55.382 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: NRAO150 J0359+5057 13 13 24 49.655 19840422_a cdp84i 1984.04.23-04:23:57.120 SRC_STAT: NRAO530 J1733-1304 14 14 30 32.720 19840422_a cdp84i 1984.04.23-04:23:57.120 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.23-04:23:24 1. ELY 7286 NOAM X Comp -2077236411.23 mm 24.767 mm 23.465 mm 23.529 mm 2. ELY 7286 NOAM Y Comp -4486712633.13 mm 30.867 mm 55.003 mm 55.153 mm 3. ELY 7286 NOAM Z Comp 4018753648.43 mm 23.435 mm 55.440 mm 55.591 mm ELY 7286 U Comp -14.89 mm -14.890 mm 80.437 mm 65.687 mm ELY 7286 E Comp 9.51 mm 9.507 mm 7.756 mm 6.334 mm ELY 7286 N Comp 42.47 mm 42.465 mm 10.925 mm 8.922 mm 4. ELY CL 0 1984.04.22-16:52:56.136 -655.546 ns 0.340 ns 0.341 ns 5. ELY CL 1 1984.04.22-16:52:56.136 -49.258 D-14 2.204 D-14 2.210 D-14 6. ELY CL 2 1984.04.22-16:52:56.136 -3.554 D-14/day 2.105 D-14/day 2.111 D-14/day 30. ELY AT 0 1984.04.22-16:52:56.136 -73.060 ps 120.470 ps 120.799 ps ELY Atm 1984.04.23-04:23:28.320 Avg: -86.564 ps Rms: 10.092 ps Tot_Rms: 87.150 ps || Nat: 80 Dura: 79502.0 sec Tzd_avg: 6330.1 Tzd_rms: 16.9 Wzd_avg: 165.0 Wzd_rms: 8.8 ps Prs_avg: 80555. Pa Tem_avg: 2.7 C Stm_avg: -6.7 C Stm_rms: 1.4 K Spr_avg: -650. Spr_rms: 151. Pa 100. ELY NG 1984.04.22-16:51:56.136 0.020 mm 0.422 mm 0.423 mm 101. ELY EG 1984.04.22-16:51:56.136 0.017 mm 0.422 mm 0.423 mm 102. ELY NG 1984.04.23-00:51:56.136 -0.010 mm 0.377 mm 0.378 mm 103. ELY EG 1984.04.23-00:51:56.136 0.012 mm 0.377 mm 0.378 mm 104. ELY NG 1984.04.23-08:51:56.136 -0.017 mm 0.377 mm 0.378 mm 105. ELY EG 1984.04.23-08:51:56.136 -0.000 mm 0.377 mm 0.378 mm 106. ELY NG 1984.04.23-16:51:56.136 0.001 mm 0.422 mm 0.423 mm 107. ELY EG 1984.04.23-16:51:56.136 -0.022 mm 0.422 mm 0.423 mm 108. HRAS_085 7216 NOAM X Comp -1324211057.90 mm -40.901 mm 20.130 mm 20.185 mm 109. HRAS_085 7216 NOAM Y Comp -5332023125.82 mm -43.819 mm 51.789 mm 51.930 mm 110. HRAS_085 7216 NOAM Z Comp 3232118364.19 mm 57.187 mm 51.354 mm 51.494 mm HRAS_085 7216 U Comp 74.22 mm 74.216 mm 72.713 mm 59.379 mm HRAS_085 7216 E Comp -29.13 mm -29.133 mm 9.179 mm 7.496 mm HRAS_085 7216 N Comp 22.51 mm 22.509 mm 18.792 mm 15.346 mm 111. HRAS_085 AT 0 1984.04.22-16:52:56.136 -11.998 ps 91.948 ps 92.199 ps HRAS_085 Atm 1984.04.23-04:23:28.320 Avg: -63.596 ps Rms: 23.181 ps Tot_Rms: 67.689 ps || Nat: 107 Dura: 82852.0 sec Tzd_avg: 6491.6 Tzd_rms: 14.8 Wzd_avg: 118.4 Wzd_rms: 21.0 ps Prs_avg: 83959. Pa Tem_avg: 9.1 C Stm_avg: -5.5 C Stm_rms: 1.1 K Spr_avg: 97. Spr_rms: 49. Pa 181. HRAS_085 NG 1984.04.22-16:51:56.136 -0.013 mm 0.422 mm 0.423 mm 182. HRAS_085 EG 1984.04.22-16:51:56.136 0.035 mm 0.422 mm 0.423 mm 183. HRAS_085 NG 1984.04.23-00:51:56.136 0.001 mm 0.377 mm 0.378 mm 184. HRAS_085 EG 1984.04.23-00:51:56.136 0.006 mm 0.377 mm 0.378 mm 185. HRAS_085 NG 1984.04.23-08:51:56.136 -0.009 mm 0.377 mm 0.378 mm 186. HRAS_085 EG 1984.04.23-08:51:56.136 -0.012 mm 0.377 mm 0.378 mm 187. HRAS_085 NG 1984.04.23-16:51:56.136 0.004 mm 0.422 mm 0.423 mm 188. HRAS_085 EG 1984.04.23-16:51:56.136 -0.017 mm 0.422 mm 0.423 mm 189. MOJAVE12 7222 NOAM X Comp -2356171119.38 mm -23.385 mm 20.040 mm 20.094 mm 190. MOJAVE12 7222 NOAM Y Comp -4646755915.80 mm -83.797 mm 48.291 mm 48.423 mm 191. MOJAVE12 7222 NOAM Z Comp 3668470543.99 mm -37.007 mm 50.258 mm 50.395 mm MOJAVE12 7222 U Comp 48.20 mm 48.199 mm 70.909 mm 57.906 mm MOJAVE12 7222 E Comp 17.04 mm 17.040 mm 7.732 mm 6.314 mm MOJAVE12 7222 N Comp -79.53 mm -79.528 mm 13.103 mm 10.700 mm 192. MOJAVE12 CL 0 1984.04.22-16:52:56.136 -1119.920 ns 0.228 ns 0.229 ns 193. MOJAVE12 CL 1 1984.04.22-16:52:56.136 -281.768 D-14 2.123 D-14 2.129 D-14 194. MOJAVE12 CL 2 1984.04.22-16:52:56.136 -10.642 D-14/day 1.932 D-14/day 1.938 D-14/day 218. MOJAVE12 AT 0 1984.04.22-16:52:56.136 -15.747 ps 78.990 ps 79.205 ps MOJAVE12 Atm 1984.04.23-04:23:28.320 Avg: -16.332 ps Rms: 13.932 ps Tot_Rms: 21.467 ps || Nat: 108 Dura: 82852.0 sec Tzd_avg: 7043.9 Tzd_rms: 26.4 Wzd_avg: 133.0 Wzd_rms: 24.8 ps Prs_avg: 91213. Pa Tem_avg: 16.0 C Stm_avg: -3.3 C Stm_rms: 5.5 K Spr_avg: 221. Spr_rms: 45. Pa 288. MOJAVE12 NG 1984.04.22-16:51:56.136 -0.019 mm 0.422 mm 0.423 mm 289. MOJAVE12 EG 1984.04.22-16:51:56.136 -0.057 mm 0.421 mm 0.422 mm 290. MOJAVE12 NG 1984.04.23-00:51:56.136 0.009 mm 0.377 mm 0.378 mm 291. MOJAVE12 EG 1984.04.23-00:51:56.136 -0.015 mm 0.376 mm 0.377 mm 292. MOJAVE12 NG 1984.04.23-08:51:56.136 0.031 mm 0.377 mm 0.378 mm 293. MOJAVE12 EG 1984.04.23-08:51:56.136 0.024 mm 0.376 mm 0.377 mm 294. MOJAVE12 NG 1984.04.23-16:51:56.136 0.001 mm 0.422 mm 0.423 mm 295. MOJAVE12 EG 1984.04.23-16:51:56.136 0.044 mm 0.422 mm 0.423 mm 296. PLATTVIL 7258 NOAM X Comp -1240708210.48 mm 39.518 mm 55.479 mm 55.630 mm 297. PLATTVIL 7258 NOAM Y Comp -4720454240.25 mm 96.749 mm 135.780 mm 136.150 mm 298. PLATTVIL 7258 NOAM Z Comp 4094481509.39 mm -43.615 mm 145.764 mm 146.161 mm PLATTVIL 7258 U Comp -107.30 mm -107.303 mm 203.942 mm 166.545 mm PLATTVIL 7258 E Comp 13.63 mm 13.626 mm 22.793 mm 18.613 mm PLATTVIL 7258 N Comp 33.53 mm 33.535 mm 25.484 mm 20.811 mm 299. PLATTVIL CL 0 1984.04.22-16:52:56.136 -11155.711 ns 1.273 ns 1.276 ns 300. PLATTVIL CL 1 1984.04.22-16:52:56.136 -163.395 D-14 2.240 D-14 2.246 D-14 301. PLATTVIL CL 2 1984.04.22-16:52:56.136 0.304 D-14/day 2.095 D-14/day 2.101 D-14/day 325. PLATTVIL AT 0 1984.04.22-16:52:56.136 169.893 ps 449.726 ps 450.952 ps PLATTVIL Atm 1984.04.23-04:23:28.320 Avg: 186.387 ps Rms: 9.849 ps Tot_Rms: 186.647 ps || Nat: 97 Dura: 81910.0 sec Tzd_avg: 6602.3 Tzd_rms: 19.5 Wzd_avg: 169.6 Wzd_rms: 22.7 ps Prs_avg: 84712. Pa Tem_avg: 3.8 C Stm_avg: -3.8 C Stm_rms: 1.1 K Spr_avg: -30. Spr_rms: 52. Pa 395. PLATTVIL NG 1984.04.22-16:51:56.136 0.007 mm 0.422 mm 0.424 mm 396. PLATTVIL EG 1984.04.22-16:51:56.136 0.005 mm 0.422 mm 0.423 mm 397. PLATTVIL NG 1984.04.23-00:51:56.136 -0.002 mm 0.377 mm 0.378 mm 398. PLATTVIL EG 1984.04.23-00:51:56.136 -0.005 mm 0.377 mm 0.378 mm 399. PLATTVIL NG 1984.04.23-08:51:56.136 -0.003 mm 0.377 mm 0.378 mm 400. PLATTVIL EG 1984.04.23-08:51:56.136 -0.010 mm 0.377 mm 0.378 mm 401. PLATTVIL NG 1984.04.23-16:51:56.136 -0.001 mm 0.422 mm 0.424 mm 402. PLATTVIL EG 1984.04.23-16:51:56.136 -0.004 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. ELY Input 50.00 ps/h RMS 8.63 ps/h NRMS 0.17 share 0.93 count 70 2. HRAS_085 Input 50.00 ps/h RMS 12.47 ps/h NRMS 0.25 share 0.86 count 70 3. MOJAVE12 Input 50.00 ps/h RMS 10.87 ps/h NRMS 0.22 share 0.85 count 70 4. PLATTVIL Input 50.00 ps/h RMS 4.61 ps/h NRMS 0.09 share 0.98 count 70 Overall RMS 9.61 ps/h NRMS 0.19 share 0.90 count 280 Gradient Constraint Statistics 1. ELY Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 3. MOJAVE12 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 4. PLATTVIL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 1. ELY Input 5.00 D-14 RMS 2.29 D-14 NRMS 0.46 share 0.44 count 24 3. MOJAVE12 Input 5.00 D-14 RMS 1.81 D-14 NRMS 0.36 share 0.19 count 24 4. PLATTVIL Input 5.00 D-14 RMS 2.28 D-14 NRMS 0.46 share 0.72 count 24 Overall RMS 2.14 D-14 NRMS 0.43 share 0.45 count 72 403. UT1-TAI 1, 1984.04.23-04:24:00.000 -2.1992 ms/d -564.27 micros/d 295.74 micros/d 296.54 micros/d EOP epoch (TDT) MJD: 45813.183706 NUT epoch (TDT) MJD: 45813.167924 404. Nutation DPSI wrt apriori model 1984.04.23-04:23:24.936 -0.982 mas 3353.1 microasec 3362.3 microasec Nutation Dx wrt apriori model 1984.04.23-04:23:24.936 -0.390 mas 1331.2 microasec 1334.8 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.23-04:23:24.936 4.201 mas 3353.1 microasec 3362.3 microasec 405. Nutation DEPS wrt apriori model 1984.04.23-04:23:24.936 -0.281 mas 783.8 microasec 785.9 microasec Nutation Dy wrt apriori model 1984.04.23-04:23:24.936 -0.283 mas 788.5 microasec 790.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.23-04:23:24.936 -0.489 mas 783.8 microasec 785.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1258 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) ELY 7286 to HRAS_085 7216 1378547091.05 12.99 1378547091.05 12.99 44.14 6.60 -94.84 66.84 ELY 7286 to MOJAVE12 7222 475517273.08 7.38 475517273.08 7.38 -53.13 7.57 -62.41 58.83 HRAS_085 7216 to MOJAVE12 7222 1313368167.14 8.50 1313368167.14 8.50 -76.21 3.60 25.00 42.45 HRAS_085 7216 to PLATTVIL 7258 1060499609.39 54.30 1060499609.39 54.30 43.59 28.14 185.63 270.16 MOJAVE12 7222 to PLATTVIL 7258 1196316967.53 18.30 1196316967.53 18.30 -102.41 42.25 155.14 271.76 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1744 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:44:58 Correlator type: Unknown Experiment code: ia174 Mark-3 db_name: $84APR23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840423_a Ver 2 ia174 Matrix Condition Number = 5.432189972616789E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 15.4 4.0 836.0 1.0 39.7 1.0 RICHMOND MET 24.4 2.8 1010.1 2.3 40.5 3.1 WESTFORD MET 9.0 3.8 990.5 4.5 11.5 25.4 WETTZELL MET 10.2 2.4 954.5 1.0 42.5 5.9 Run 26091-1744 417 Observation Pairs Available Session started on: 2445814.253300 1984.04.23 18:04:45.120 UTC Nominal duration: 85397.760 sec 00 23:43:17.760 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 276 72.225 ps 0.85 1.0433 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 281 Number of potentially good observations with QC 5-9: 281 Number of used observations: 276 ( 98.22%) Number of suppressed observations: 5 ( 1.78%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 47 49 48.308 0.83 19840423_a ia174 1984.04.24-05:56:24.0 BAS_STAT HRAS_085 WESTFORD 50 50 77.027 0.90 19840423_a ia174 1984.04.24-05:56:24.0 BAS_STAT HRAS_085 WETTZELL 26 26 62.545 0.73 19840423_a ia174 1984.04.24-05:56:24.0 BAS_STAT RICHMOND WESTFORD 52 53 91.548 0.97 19840423_a ia174 1984.04.24-05:56:24.0 BAS_STAT RICHMOND WETTZELL 26 27 103.965 0.85 19840423_a ia174 1984.04.24-05:56:24.0 BAS_STAT WESTFORD WETTZELL 75 76 84.595 0.77 19840423_a ia174 1984.04.24-05:56:24.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 19 20 82.464 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 0212+735 J0217+7349 26 26 40 81.256 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 0229+131 J0231+1322 0 0 24 0.000 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 0528+134 J0530+1331 22 22 32 74.896 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 0552+398 J0555+3948 36 36 40 64.382 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 1803+784 J1800+7828 16 16 25 87.777 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 2134+00 J2136+0041 15 15 19 63.155 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 3C273B J1229+0203 19 20 25 33.049 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 3C345 J1642+3948 30 30 35 63.215 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 3C454.3 J2253+1608 16 18 23 86.263 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: 4C39.25 J0927+3902 23 23 33 82.442 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: OJ287 J0854+2006 32 32 32 64.050 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: OQ208 J1407+2827 14 14 32 177.672 19840423_a ia174 1984.04.24-05:56:24.000 SRC_STAT: VR422201 J2202+4216 10 10 37 147.516 19840423_a ia174 1984.04.24-05:56:24.000 ------------------------------------------------ Parameter adjustments for run 26091-1744 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.24-05:55:51 1. HRAS_085 7216 NOAM X Comp -1324211060.08 mm -43.082 mm 15.844 mm 16.183 mm 2. HRAS_085 7216 NOAM Y Comp -5332023113.05 mm -31.054 mm 48.116 mm 49.146 mm 3. HRAS_085 7216 NOAM Z Comp 3232118369.54 mm 62.541 mm 30.461 mm 31.113 mm HRAS_085 7216 U Comp 66.74 mm 66.737 mm 56.967 mm 48.329 mm HRAS_085 7216 E Comp -34.33 mm -34.327 mm 11.062 mm 9.385 mm HRAS_085 7216 N Comp 33.16 mm 33.161 mm 11.244 mm 9.539 mm 4. HRAS_085 CL 0 1984.04.23-18:04:12.936 3346.690 ns 0.402 ns 0.411 ns 5. HRAS_085 CL 1 1984.04.23-18:04:12.936 22.715 D-14 2.223 D-14 2.271 D-14 6. HRAS_085 CL 2 1984.04.23-18:04:12.936 3.705 D-14/day 1.947 D-14/day 1.989 D-14/day 31. HRAS_085 AT 0 1984.04.23-18:04:12.936 -141.854 ps 131.668 ps 134.486 ps HRAS_085 Atm 1984.04.24-06:04:45.120 Avg: -134.495 ps Rms: 29.346 ps Tot_Rms: 137.659 ps || Nat: 89 Dura: 84620.0 sec Tzd_avg: 6470.0 Tzd_rms: 11.9 Wzd_avg: 118.3 Wzd_rms: 20.2 ps Prs_avg: 83610. Pa Tem_avg: 15.3 C Stm_avg: -5.1 C Stm_rms: 2.9 K Spr_avg: 32. Spr_rms: 80. Pa 104. HRAS_085 NG 1984.04.23-18:03:12.936 -0.010 mm 0.422 mm 0.431 mm 105. HRAS_085 EG 1984.04.23-18:03:12.936 -0.003 mm 0.422 mm 0.431 mm 106. HRAS_085 NG 1984.04.24-02:03:12.936 0.003 mm 0.377 mm 0.385 mm 107. HRAS_085 EG 1984.04.24-02:03:12.936 -0.005 mm 0.377 mm 0.385 mm 108. HRAS_085 NG 1984.04.24-10:03:12.936 -0.000 mm 0.377 mm 0.385 mm 109. HRAS_085 EG 1984.04.24-10:03:12.936 0.006 mm 0.377 mm 0.385 mm 110. HRAS_085 NG 1984.04.24-18:03:12.936 -0.009 mm 0.422 mm 0.431 mm 111. HRAS_085 EG 1984.04.24-18:03:12.936 0.004 mm 0.422 mm 0.431 mm 112. RICHMOND 7219 NOAM X Comp 961257974.35 mm -44.654 mm 11.355 mm 11.598 mm 113. RICHMOND 7219 NOAM Y Comp -5674089898.89 mm 151.108 mm 42.013 mm 42.913 mm 114. RICHMOND 7219 NOAM Z Comp 2740533727.65 mm -70.355 mm 24.745 mm 25.275 mm RICHMOND 7219 U Comp -171.48 mm -171.484 mm 47.754 mm 40.513 mm RICHMOND 7219 E Comp -18.79 mm -18.787 mm 10.460 mm 8.873 mm RICHMOND 7219 N Comp 4.19 mm 4.190 mm 10.796 mm 9.159 mm 115. RICHMOND CL 0 1984.04.23-18:04:12.936 573.767 ns 0.300 ns 0.306 ns 116. RICHMOND CL 1 1984.04.23-18:04:12.936 -104.663 D-14 2.232 D-14 2.280 D-14 117. RICHMOND CL 2 1984.04.23-18:04:12.936 2.208 D-14/day 1.948 D-14/day 1.990 D-14/day 142. RICHMOND AT 0 1984.04.23-18:04:12.936 -40.366 ps 88.905 ps 90.808 ps RICHMOND Atm 1984.04.24-06:04:45.120 Avg: 9.616 ps Rms: 28.751 ps Tot_Rms: 30.317 ps || Nat: 82 Dura: 83660.0 sec Tzd_avg: 8477.0 Tzd_rms: 57.6 Wzd_avg: 821.5 Wzd_rms: 52.4 ps Prs_avg: 101004. Pa Tem_avg: 24.3 C Stm_avg: -1.7 C Stm_rms: 2.3 K Spr_avg: -52. Spr_rms: 212. Pa 215. RICHMOND NG 1984.04.23-18:03:12.936 0.005 mm 0.422 mm 0.431 mm 216. RICHMOND EG 1984.04.23-18:03:12.936 -0.008 mm 0.422 mm 0.431 mm 217. RICHMOND NG 1984.04.24-02:03:12.936 -0.001 mm 0.377 mm 0.385 mm 218. RICHMOND EG 1984.04.24-02:03:12.936 -0.001 mm 0.377 mm 0.385 mm 219. RICHMOND NG 1984.04.24-10:03:12.936 -0.010 mm 0.377 mm 0.385 mm 220. RICHMOND EG 1984.04.24-10:03:12.936 0.013 mm 0.377 mm 0.385 mm 221. RICHMOND NG 1984.04.24-18:03:12.936 0.010 mm 0.422 mm 0.431 mm 222. RICHMOND EG 1984.04.24-18:03:12.936 0.006 mm 0.422 mm 0.431 mm 223. WESTFORD 7209 NOAM X Comp 1492206576.72 mm 33.720 mm 10.624 mm 10.852 mm 224. WESTFORD 7209 NOAM Y Comp -4458130427.63 mm 94.375 mm 23.845 mm 24.356 mm 225. WESTFORD 7209 NOAM Z Comp 4296015505.85 mm -41.151 mm 21.113 mm 21.565 mm WESTFORD 7209 U Comp -85.85 mm -85.847 mm 30.505 mm 25.879 mm WESTFORD 7209 E Comp 61.93 mm 61.931 mm 11.380 mm 9.655 mm WESTFORD 7209 N Comp 23.06 mm 23.060 mm 8.196 mm 6.953 mm 226. WESTFORD AT 0 1984.04.23-18:04:12.936 -13.620 ps 49.614 ps 50.676 ps WESTFORD Atm 1984.04.24-06:04:45.120 Avg: -6.585 ps Rms: 61.125 ps Tot_Rms: 61.479 ps || Nat: 134 Dura: 85400.0 sec Tzd_avg: 7942.6 Tzd_rms: 54.8 Wzd_avg: 452.2 Wzd_rms: 86.4 ps Prs_avg: 99047. Pa Tem_avg: 8.8 C Stm_avg: 1.2 C Stm_rms: 2.1 K Spr_avg: 200. Spr_rms: 53. Pa 299. WESTFORD NG 1984.04.23-18:03:12.936 0.005 mm 0.422 mm 0.431 mm 300. WESTFORD EG 1984.04.23-18:03:12.936 0.035 mm 0.422 mm 0.431 mm 301. WESTFORD NG 1984.04.24-02:03:12.936 -0.004 mm 0.377 mm 0.385 mm 302. WESTFORD EG 1984.04.24-02:03:12.936 0.028 mm 0.377 mm 0.385 mm 303. WESTFORD NG 1984.04.24-10:03:12.936 0.015 mm 0.377 mm 0.385 mm 304. WESTFORD EG 1984.04.24-10:03:12.936 -0.023 mm 0.377 mm 0.385 mm 305. WESTFORD NG 1984.04.24-18:03:12.936 0.006 mm 0.422 mm 0.431 mm 306. WESTFORD EG 1984.04.24-18:03:12.936 -0.027 mm 0.422 mm 0.431 mm 307. WETTZELL 7224 EURA X Comp 4075539895.02 mm 54.017 mm 23.603 mm 24.109 mm 308. WETTZELL 7224 EURA Y Comp 931735099.57 mm -214.428 mm 23.716 mm 24.223 mm 309. WETTZELL 7224 EURA Z Comp 4801629441.97 mm 48.965 mm 31.660 mm 32.338 mm WETTZELL 7224 U Comp 40.22 mm 40.221 mm 36.153 mm 30.671 mm WETTZELL 7224 E Comp -221.07 mm -221.074 mm 23.504 mm 19.940 mm WETTZELL 7224 N Comp 28.35 mm 28.348 mm 16.200 mm 13.743 mm 310. WETTZELL CL 0 1984.04.23-18:04:12.936 842.680 ns 0.238 ns 0.243 ns 311. WETTZELL CL 1 1984.04.23-18:04:12.936 -319.144 D-14 2.188 D-14 2.234 D-14 312. WETTZELL CL 2 1984.04.23-18:04:12.936 0.856 D-14/day 1.922 D-14/day 1.963 D-14/day 337. WETTZELL AT 0 1984.04.23-18:04:12.936 -8.859 ps 58.699 ps 59.955 ps WETTZELL Atm 1984.04.24-06:04:45.120 Avg: -20.809 ps Rms: 13.186 ps Tot_Rms: 24.635 ps || Nat: 94 Dura: 84920.0 sec Tzd_avg: 7423.4 Tzd_rms: 52.1 Wzd_avg: 221.2 Wzd_rms: 47.8 ps Prs_avg: 95452. Pa Tem_avg: 10.0 C Stm_avg: 1.0 C Stm_rms: 1.6 K Spr_avg: 460. Spr_rms: 49. Pa 410. WETTZELL NG 1984.04.23-18:03:12.936 0.020 mm 0.422 mm 0.431 mm 411. WETTZELL EG 1984.04.23-18:03:12.936 -0.004 mm 0.422 mm 0.431 mm 412. WETTZELL NG 1984.04.24-02:03:12.936 0.012 mm 0.377 mm 0.385 mm 413. WETTZELL EG 1984.04.24-02:03:12.936 0.002 mm 0.377 mm 0.385 mm 414. WETTZELL NG 1984.04.24-10:03:12.936 0.005 mm 0.377 mm 0.385 mm 415. WETTZELL EG 1984.04.24-10:03:12.936 0.007 mm 0.377 mm 0.385 mm 416. WETTZELL NG 1984.04.24-18:03:12.936 -0.004 mm 0.422 mm 0.431 mm 417. WETTZELL EG 1984.04.24-18:03:12.936 0.006 mm 0.422 mm 0.431 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.26 ps/h NRMS 0.19 share 0.94 count 73 2. RICHMOND Input 50.00 ps/h RMS 8.05 ps/h NRMS 0.16 share 0.95 count 73 3. WESTFORD Input 50.00 ps/h RMS 19.01 ps/h NRMS 0.38 share 0.88 count 73 4. WETTZELL Input 50.00 ps/h RMS 10.01 ps/h NRMS 0.20 share 0.91 count 73 Overall RMS 12.37 ps/h NRMS 0.25 share 0.92 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.97 D-14 NRMS 0.39 share 0.41 count 25 2. RICHMOND Input 5.00 D-14 RMS 3.12 D-14 NRMS 0.62 share 0.39 count 25 4. WETTZELL Input 5.00 D-14 RMS 1.84 D-14 NRMS 0.37 share 0.43 count 25 Overall RMS 2.38 D-14 NRMS 0.48 share 0.41 count 75 418. UT1-TAI 1, 1984.04.24-05:56:00.000 -2.3954 ms/d -650.79 micros/d 90.38 micros/d 92.32 micros/d EOP epoch (TDT) MJD: 45814.247595 NUT epoch (TDT) MJD: 45814.191426 419. Nutation DPSI wrt apriori model 1984.04.24-05:55:51.816 1.511 mas 1399.6 microasec 1429.6 microasec Nutation Dx wrt apriori model 1984.04.24-05:55:51.816 0.601 mas 554.8 microasec 566.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.24-05:55:51.816 6.991 mas 1399.6 microasec 1429.6 microasec 420. Nutation DEPS wrt apriori model 1984.04.24-05:55:51.816 0.159 mas 563.5 microasec 575.6 microasec Nutation Dy wrt apriori model 1984.04.24-05:55:51.816 0.161 mas 565.5 microasec 577.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.24-05:55:51.816 0.071 mas 563.5 microasec 575.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1508 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632822.39 18.73 2362632822.39 18.73 30.98 10.72 223.35 92.89 HRAS_085 7216 to WESTFORD 7209 3134928044.98 21.86 3134928044.98 21.86 39.84 8.63 161.45 74.82 HRAS_085 7216 to WETTZELL 7224 8417561542.98 57.62 8417561542.98 57.62 164.91 10.99 -100.80 67.37 RICHMOND 7219 to WESTFORD 7209 2044501752.62 14.49 2044501752.62 14.49 64.44 7.94 -77.35 61.17 RICHMOND 7219 to WETTZELL 7224 7588398469.73 41.27 7588398469.73 41.27 63.60 12.09 -305.57 65.69 WESTFORD 7209 to WETTZELL 7224 5998325340.22 25.19 5998325340.22 25.19 57.79 8.33 -179.88 53.75 NNT_POS: 6 stations participated in NNT_POS constraints: HATCREEK HAYSTACK HRAS_085 MOJAVE12 OVRO_130 PLATTVIL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:01 Correlator type: Unknown Experiment code: nap841 Mark-3 db_name: $84APR26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840426_a Ver 2 nap841 Matrix Condition Number = 1.511049668498182E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HATCREEK: GION | | HAYSTACK: GION | | HRAS_085: GION | | MOJAVE12: GION | | OVRO_130: GION | | PLATTVIL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HATCREEK is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PLATTVIL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HATCREEK MET 4.3 3.5 902.8 1.0 60.5 1.0 HAYSTACK MET 9.7 3.6 1006.8 2.9 24.1 0.4 HRAS_085 MET 18.7 2.5 829.9 3.7 38.0 0.5 MOJAVE12 MET 9.5 4.7 904.5 1.5 35.9 0.8 OVRO_130 MET 5.4 4.1 873.0 2.1 18.0 0.6 PLATTVIL MET -0.1 3.9 832.2 3.0 96.8 45.4 Run 26091-1745 1169 Observation Pairs Available Session started on: 2445817.240000 1984.04.26 17:45:36.000 UTC Nominal duration: 93666.240 sec 01 02:01:06.240 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 828 18.114 ps 0.94 1.2599 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 846 Number of potentially good observations with QC 5-9: 846 Number of used observations: 828 ( 97.87%) Number of suppressed observations: 18 ( 2.13%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HATCREEK HAYSTACK 69 72 19.818 1.06 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HATCREEK HRAS_085 46 46 40.571 0.95 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HATCREEK MOJAVE12 76 79 18.494 0.93 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HATCREEK OVRO_130 71 75 8.780 0.77 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HATCREEK PLATTVIL 51 51 62.945 0.91 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HAYSTACK HRAS_085 49 49 34.094 1.05 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HAYSTACK MOJAVE12 86 86 26.431 1.19 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HAYSTACK OVRO_130 76 82 12.482 0.90 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HAYSTACK PLATTVIL 20 20 61.004 1.00 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HRAS_085 MOJAVE12 54 54 33.900 0.91 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT HRAS_085 OVRO_130 52 53 28.286 0.89 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT MOJAVE12 OVRO_130 89 90 8.839 0.67 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT MOJAVE12 PLATTVIL 35 35 73.892 0.94 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT OVRO_130 PLATTVIL 54 54 63.397 0.90 19840426_a nap841 1984.04.27-06:46:09.1 BAS_STAT Not included: HRAS_085 PLATTVIL 0/ 0 deselected baseline 19840426_a nap841 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 68 68 91 16.295 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 0234+285 J0237+2848 51 52 84 21.124 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 0528+134 J0530+1331 46 46 62 22.085 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 0552+398 J0555+3948 71 71 89 19.670 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 1308+326 J1310+3220 28 31 62 16.865 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 2134+00 J2136+0041 64 65 80 13.582 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 2234+282 J2236+2828 55 55 89 24.981 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 3C273B J1229+0203 54 54 84 16.376 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 3C345 J1642+3948 83 83 85 12.393 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 3C454.3 J2253+1608 87 87 110 15.895 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 3C84 J0319+4130 62 75 113 23.836 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: 4C39.25 J0927+3902 58 58 89 23.020 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: NRAO530 J1733-1304 35 35 40 12.864 19840426_a nap841 1984.04.27-06:46:09.120 SRC_STAT: OJ287 J0854+2006 66 66 91 17.932 19840426_a nap841 1984.04.27-06:46:09.120 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.27-06:45:36 1. HATCREEK 7218 NOAM X Comp -2523970047.15 mm 56.849 mm 4.820 mm 5.410 mm 2. HATCREEK 7218 NOAM Y Comp -4123506340.13 mm -36.134 mm 10.421 mm 11.697 mm 3. HATCREEK 7218 NOAM Z Comp 4147752575.35 mm 38.355 mm 9.097 mm 10.211 mm HATCREEK 7218 U Comp 25.93 mm 25.933 mm 14.206 mm 13.307 mm HATCREEK 7218 E Comp 67.35 mm 67.351 mm 2.857 mm 2.677 mm HATCREEK 7218 N Comp 28.28 mm 28.282 mm 2.145 mm 2.010 mm 4. HATCREEK CL 0 1984.04.26-17:45:03.816 8573.042 ns 0.076 ns 0.086 ns 5. HATCREEK CL 1 1984.04.26-17:45:03.816 146.783 D-14 1.971 D-14 2.212 D-14 6. HATCREEK CL 2 1984.04.26-17:45:03.816 10.447 D-14/day 1.577 D-14/day 1.770 D-14/day 33. HATCREEK AT 0 1984.04.26-17:45:03.816 -31.888 ps 22.018 ps 24.714 ps HATCREEK Atm 1984.04.27-06:45:36.000 Avg: -20.789 ps Rms: 26.094 ps Tot_Rms: 33.362 ps || Nat: 95 Dura: 93660.0 sec Tzd_avg: 6960.4 Tzd_rms: 20.8 Wzd_avg: 167.4 Wzd_rms: 18.4 ps Prs_avg: 90281. Pa Tem_avg: 4.2 C Stm_avg: 0.4 C Stm_rms: 2.2 K Spr_avg: 774. Spr_rms: 66. Pa 112. HATCREEK NG 1984.04.26-17:44:03.816 -0.023 mm 0.420 mm 0.471 mm 113. HATCREEK EG 1984.04.26-17:44:03.816 -0.124 mm 0.418 mm 0.469 mm 114. HATCREEK NG 1984.04.27-01:44:03.816 0.072 mm 0.374 mm 0.420 mm 115. HATCREEK EG 1984.04.27-01:44:03.816 -0.024 mm 0.372 mm 0.418 mm 116. HATCREEK NG 1984.04.27-09:44:03.816 0.028 mm 0.376 mm 0.422 mm 117. HATCREEK EG 1984.04.27-09:44:03.816 0.084 mm 0.373 mm 0.419 mm 118. HATCREEK NG 1984.04.27-17:44:03.816 -0.067 mm 0.417 mm 0.468 mm 119. HATCREEK EG 1984.04.27-17:44:03.816 0.053 mm 0.415 mm 0.466 mm 120. HAYSTACK 7205 NOAM X Comp 1492404689.28 mm -6.716 mm 3.540 mm 3.974 mm 121. HAYSTACK 7205 NOAM Y Comp -4457266491.47 mm 43.530 mm 13.371 mm 15.009 mm 122. HAYSTACK 7205 NOAM Z Comp 4296881682.18 mm -111.819 mm 10.538 mm 11.828 mm HAYSTACK 7205 U Comp -107.66 mm -107.664 mm 15.843 mm 14.841 mm HAYSTACK 7205 E Comp 7.45 mm 7.452 mm 6.620 mm 6.201 mm HAYSTACK 7205 N Comp -52.88 mm -52.883 mm 2.745 mm 2.572 mm 123. HAYSTACK CL 0 1984.04.26-17:45:03.816 6681.139 ns 0.111 ns 0.125 ns 124. HAYSTACK CL 1 1984.04.26-17:45:03.816 248.507 D-14 1.987 D-14 2.230 D-14 125. HAYSTACK CL 2 1984.04.26-17:45:03.816 9.223 D-14/day 1.586 D-14/day 1.780 D-14/day 152. HAYSTACK AT 0 1984.04.26-17:45:03.816 7.081 ps 29.192 ps 32.767 ps HAYSTACK Atm 1984.04.27-06:45:36.000 Avg: -33.103 ps Rms: 41.892 ps Tot_Rms: 53.392 ps || Nat: 91 Dura: 92690.0 sec Tzd_avg: 7859.7 Tzd_rms: 47.7 Wzd_avg: 266.4 Wzd_rms: 31.7 ps Prs_avg: 100690. Pa Tem_avg: 9.6 C Stm_avg: -0.2 C Stm_rms: 1.2 K Spr_avg: 570. Spr_rms: 58. Pa 231. HAYSTACK NG 1984.04.26-17:44:03.816 -0.043 mm 0.422 mm 0.474 mm 232. HAYSTACK EG 1984.04.26-17:44:03.816 0.022 mm 0.420 mm 0.472 mm 233. HAYSTACK NG 1984.04.27-01:44:03.816 -0.124 mm 0.376 mm 0.422 mm 234. HAYSTACK EG 1984.04.27-01:44:03.816 0.023 mm 0.376 mm 0.422 mm 235. HAYSTACK NG 1984.04.27-09:44:03.816 -0.025 mm 0.376 mm 0.423 mm 236. HAYSTACK EG 1984.04.27-09:44:03.816 -0.045 mm 0.376 mm 0.422 mm 237. HAYSTACK NG 1984.04.27-17:44:03.816 -0.046 mm 0.421 mm 0.473 mm 238. HAYSTACK EG 1984.04.27-17:44:03.816 -0.252 mm 0.418 mm 0.469 mm 239. HRAS_085 7216 NOAM X Comp -1324211098.06 mm -81.061 mm 4.778 mm 5.363 mm 240. HRAS_085 7216 NOAM Y Comp -5332023127.51 mm -45.514 mm 15.282 mm 17.154 mm 241. HRAS_085 7216 NOAM Z Comp 3232118393.47 mm 86.468 mm 10.572 mm 11.866 mm HRAS_085 7216 U Comp 98.88 mm 98.881 mm 18.519 mm 17.348 mm HRAS_085 7216 E Comp -67.70 mm -67.701 mm 2.791 mm 2.614 mm HRAS_085 7216 N Comp 41.93 mm 41.933 mm 4.170 mm 3.906 mm 242. HRAS_085 CL 0 1984.04.26-17:45:03.816 2038.418 ns 0.108 ns 0.121 ns 243. HRAS_085 CL 1 1984.04.26-17:45:03.816 358.369 D-14 2.028 D-14 2.276 D-14 244. HRAS_085 CL 2 1984.04.26-17:45:03.816 10.473 D-14/day 1.635 D-14/day 1.836 D-14/day 271. HRAS_085 AT 0 1984.04.26-17:45:03.816 -26.786 ps 35.254 ps 39.572 ps HRAS_085 Atm 1984.04.27-06:45:36.000 Avg: -58.537 ps Rms: 28.801 ps Tot_Rms: 65.239 ps || Nat: 62 Dura: 93660.0 sec Tzd_avg: 6420.9 Tzd_rms: 53.1 Wzd_avg: 110.6 Wzd_rms: 29.5 ps Prs_avg: 82983. Pa Tem_avg: 18.8 C Stm_avg: -1.7 C Stm_rms: 1.6 K Spr_avg: -47. Spr_rms: 45. Pa 350. HRAS_085 NG 1984.04.26-17:44:03.816 -0.019 mm 0.421 mm 0.472 mm 351. HRAS_085 EG 1984.04.26-17:44:03.816 -0.032 mm 0.418 mm 0.470 mm 352. HRAS_085 NG 1984.04.27-01:44:03.816 -0.023 mm 0.376 mm 0.422 mm 353. HRAS_085 EG 1984.04.27-01:44:03.816 -0.051 mm 0.375 mm 0.421 mm 354. HRAS_085 NG 1984.04.27-09:44:03.816 0.026 mm 0.377 mm 0.423 mm 355. HRAS_085 EG 1984.04.27-09:44:03.816 0.002 mm 0.377 mm 0.423 mm 356. HRAS_085 NG 1984.04.27-17:44:03.816 0.098 mm 0.419 mm 0.471 mm 357. HRAS_085 EG 1984.04.27-17:44:03.816 0.098 mm 0.417 mm 0.468 mm 358. MOJAVE12 7222 NOAM X Comp -2356171101.95 mm -5.951 mm 4.466 mm 5.013 mm 359. MOJAVE12 7222 NOAM Y Comp -4646755845.40 mm -13.398 mm 10.669 mm 11.975 mm 360. MOJAVE12 7222 NOAM Z Comp 3668470568.29 mm -12.714 mm 8.593 mm 9.645 mm MOJAVE12 7222 U Comp 4.59 mm 4.591 mm 14.070 mm 13.180 mm MOJAVE12 7222 E Comp 0.75 mm 0.752 mm 2.267 mm 2.124 mm MOJAVE12 7222 N Comp -18.84 mm -18.839 mm 2.120 mm 1.986 mm 361. MOJAVE12 AT 0 1984.04.26-17:45:03.816 -17.510 ps 26.078 ps 29.271 ps MOJAVE12 Atm 1984.04.27-06:45:36.000 Avg: 40.629 ps Rms: 21.361 ps Tot_Rms: 45.903 ps || Nat: 99 Dura: 93660.0 sec Tzd_avg: 6945.0 Tzd_rms: 29.7 Wzd_avg: 97.1 Wzd_rms: 20.1 ps Prs_avg: 90449. Pa Tem_avg: 9.1 C Stm_avg: -0.1 C Stm_rms: 4.0 K Spr_avg: 299. Spr_rms: 63. Pa 440. MOJAVE12 NG 1984.04.26-17:44:03.816 0.061 mm 0.418 mm 0.469 mm 441. MOJAVE12 EG 1984.04.26-17:44:03.816 0.113 mm 0.414 mm 0.465 mm 442. MOJAVE12 NG 1984.04.27-01:44:03.816 -0.003 mm 0.372 mm 0.418 mm 443. MOJAVE12 EG 1984.04.27-01:44:03.816 -0.056 mm 0.369 mm 0.415 mm 444. MOJAVE12 NG 1984.04.27-09:44:03.816 -0.013 mm 0.375 mm 0.421 mm 445. MOJAVE12 EG 1984.04.27-09:44:03.816 -0.060 mm 0.372 mm 0.418 mm 446. MOJAVE12 NG 1984.04.27-17:44:03.816 0.059 mm 0.415 mm 0.465 mm 447. MOJAVE12 EG 1984.04.27-17:44:03.816 -0.057 mm 0.412 mm 0.463 mm 448. OVRO_130 7207 NOAM X Comp -2409600867.24 mm 19.761 mm 4.242 mm 4.762 mm 449. OVRO_130 7207 NOAM Y Comp -4478349542.94 mm -78.940 mm 10.146 mm 11.388 mm 450. OVRO_130 7207 NOAM Z Comp 3838603197.36 mm 9.357 mm 8.450 mm 9.485 mm OVRO_130 7207 U Comp 53.55 mm 53.555 mm 13.516 mm 12.661 mm OVRO_130 7207 E Comp 54.81 mm 54.805 mm 2.415 mm 2.262 mm OVRO_130 7207 N Comp -28.94 mm -28.945 mm 1.957 mm 1.833 mm 451. OVRO_130 CL 0 1984.04.26-17:45:03.816 -9339.946 ns 0.067 ns 0.075 ns 452. OVRO_130 CL 1 1984.04.26-17:45:03.816 173.470 D-14 1.968 D-14 2.209 D-14 453. OVRO_130 CL 2 1984.04.26-17:45:03.816 9.678 D-14/day 1.574 D-14/day 1.767 D-14/day 480. OVRO_130 AT 0 1984.04.26-17:45:03.816 -13.182 ps 24.101 ps 27.052 ps OVRO_130 Atm 1984.04.27-06:45:36.000 Avg: 17.680 ps Rms: 24.837 ps Tot_Rms: 30.487 ps || Nat: 99 Dura: 93660.0 sec Tzd_avg: 6728.4 Tzd_rms: 29.9 Wzd_avg: 99.9 Wzd_rms: 14.9 ps Prs_avg: 87300. Pa Tem_avg: 5.2 C Stm_avg: 4.6 C Stm_rms: 2.5 K Spr_avg: 20. Spr_rms: 41. Pa 559. OVRO_130 NG 1984.04.26-17:44:03.816 0.092 mm 0.418 mm 0.469 mm 560. OVRO_130 EG 1984.04.26-17:44:03.816 -0.025 mm 0.415 mm 0.466 mm 561. OVRO_130 NG 1984.04.27-01:44:03.816 0.042 mm 0.372 mm 0.417 mm 562. OVRO_130 EG 1984.04.27-01:44:03.816 0.044 mm 0.369 mm 0.414 mm 563. OVRO_130 NG 1984.04.27-09:44:03.816 0.006 mm 0.375 mm 0.421 mm 564. OVRO_130 EG 1984.04.27-09:44:03.816 -0.039 mm 0.372 mm 0.418 mm 565. OVRO_130 NG 1984.04.27-17:44:03.816 -0.063 mm 0.414 mm 0.464 mm 566. OVRO_130 EG 1984.04.27-17:44:03.816 -0.076 mm 0.411 mm 0.462 mm 567. PLATTVIL 7258 NOAM X Comp -1240708232.88 mm 17.117 mm 11.098 mm 12.457 mm 568. PLATTVIL 7258 NOAM Y Comp -4720454206.55 mm 130.455 mm 37.726 mm 42.346 mm 569. PLATTVIL 7258 NOAM Z Comp 4094481543.35 mm -9.647 mm 32.570 mm 36.558 mm PLATTVIL 7258 U Comp -105.94 mm -105.941 mm 50.647 mm 47.444 mm PLATTVIL 7258 E Comp -16.61 mm -16.607 mm 3.924 mm 3.676 mm PLATTVIL 7258 N Comp 76.85 mm 76.846 mm 5.161 mm 4.835 mm 570. PLATTVIL CL 0 1984.04.26-17:45:03.816 -10892.531 ns 0.305 ns 0.342 ns 571. PLATTVIL CL 1 1984.04.26-17:45:03.816 190.850 D-14 2.093 D-14 2.350 D-14 572. PLATTVIL CL 2 1984.04.26-17:45:03.816 8.998 D-14/day 1.777 D-14/day 1.995 D-14/day 599. PLATTVIL AT 0 1984.04.26-17:45:03.816 256.725 ps 107.742 ps 120.936 ps PLATTVIL Atm 1984.04.27-06:45:36.000 Avg: 217.024 ps Rms: 26.113 ps Tot_Rms: 218.589 ps || Nat: 89 Dura: 88240.0 sec Tzd_avg: 6408.7 Tzd_rms: 21.4 Wzd_avg: 87.1 Wzd_rms: 3.6 ps Prs_avg: 83216. Pa Tem_avg: -0.4 C Stm_avg: -2.4 C Stm_rms: 1.5 K Spr_avg: -27. Spr_rms: 49. Pa 678. PLATTVIL NG 1984.04.26-17:44:03.816 0.016 mm 0.422 mm 0.474 mm 679. PLATTVIL EG 1984.04.26-17:44:03.816 -0.004 mm 0.422 mm 0.473 mm 680. PLATTVIL NG 1984.04.27-01:44:03.816 0.023 mm 0.377 mm 0.423 mm 681. PLATTVIL EG 1984.04.27-01:44:03.816 -0.035 mm 0.377 mm 0.423 mm 682. PLATTVIL NG 1984.04.27-09:44:03.816 -0.012 mm 0.377 mm 0.423 mm 683. PLATTVIL EG 1984.04.27-09:44:03.816 -0.006 mm 0.376 mm 0.422 mm 684. PLATTVIL NG 1984.04.27-17:44:03.816 -0.033 mm 0.422 mm 0.474 mm 685. PLATTVIL EG 1984.04.27-17:44:03.816 0.022 mm 0.422 mm 0.473 mm Atmosphere Constraint Statistics 1. HATCREEK Input 50.00 ps/h RMS 34.82 ps/h NRMS 0.70 share 0.69 count 79 2. HAYSTACK Input 50.00 ps/h RMS 37.78 ps/h NRMS 0.76 share 0.67 count 79 3. HRAS_085 Input 50.00 ps/h RMS 19.63 ps/h NRMS 0.39 share 0.89 count 79 4. MOJAVE12 Input 50.00 ps/h RMS 26.73 ps/h NRMS 0.53 share 0.64 count 79 5. OVRO_130 Input 50.00 ps/h RMS 25.67 ps/h NRMS 0.51 share 0.65 count 79 6. PLATTVIL Input 50.00 ps/h RMS 10.41 ps/h NRMS 0.21 share 0.93 count 79 Overall RMS 27.41 ps/h NRMS 0.55 share 0.74 count 474 Gradient Constraint Statistics 1. HATCREEK Input 2.00 mm/d RMS 0.25 mm/d NRMS 0.13 share 0.53 count 8 2. HAYSTACK Input 2.00 mm/d RMS 0.31 mm/d NRMS 0.16 share 0.53 count 8 3. HRAS_085 Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 4. MOJAVE12 Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.52 count 8 5. OVRO_130 Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.52 count 8 6. PLATTVIL Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.22 mm/d NRMS 0.11 share 0.53 count 48 Clock Constraint Statistics 1. HATCREEK Input 5.00 D-14 RMS 12.14 D-14 NRMS 2.43 share 0.14 count 27 2. HAYSTACK Input 5.00 D-14 RMS 1.85 D-14 NRMS 0.37 share 0.15 count 27 3. HRAS_085 Input 5.00 D-14 RMS 1.09 D-14 NRMS 0.22 share 0.46 count 27 5. OVRO_130 Input 5.00 D-14 RMS 1.34 D-14 NRMS 0.27 share 0.13 count 27 6. PLATTVIL Input 5.00 D-14 RMS 3.03 D-14 NRMS 0.61 share 0.38 count 27 Overall RMS 5.71 D-14 NRMS 1.14 share 0.25 count 135 686. UT1-TAI 1, 1984.04.27-06:46:00.000 -2.3681 ms/d -249.30 micros/d 63.20 micros/d 70.94 micros/d EOP epoch (TDT) MJD: 45817.282317 NUT epoch (TDT) MJD: 45817.321202 687. Nutation DPSI wrt apriori model 1984.04.27-06:45:36.936 -1.464 mas 699.6 microasec 785.3 microasec Nutation Dx wrt apriori model 1984.04.27-06:45:36.936 -0.582 mas 277.5 microasec 311.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.27-06:45:36.936 4.446 mas 699.6 microasec 785.3 microasec 688. Nutation DEPS wrt apriori model 1984.04.27-06:45:36.936 -0.094 mas 243.1 microasec 272.9 microasec Nutation Dy wrt apriori model 1984.04.27-06:45:36.936 -0.096 mas 244.1 microasec 274.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.27-06:45:36.936 0.167 mas 243.1 microasec 272.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3166 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HATCREEK 7218 to HAYSTACK 7205 4032976735.93 5.06 4032976735.93 5.06 53.58 3.67 156.13 18.76 HATCREEK 7218 to HRAS_085 7216 1933473639.94 5.69 1933473639.94 5.69 69.98 3.62 -77.58 21.56 HATCREEK 7218 to MOJAVE12 7222 729148663.22 2.51 729148663.22 2.51 80.83 2.04 22.97 14.92 HATCREEK 7218 to OVRO_130 7207 484321531.43 2.20 484321531.43 2.20 41.65 1.97 -24.97 14.24 HATCREEK 7218 to PLATTVIL 7258 1416314033.69 7.88 1416314033.69 7.88 -48.05 6.30 135.74 61.09 HAYSTACK 7205 to HRAS_085 7216 3135641007.32 5.57 3135641007.32 5.57 126.23 4.91 -190.39 21.07 HAYSTACK 7205 to MOJAVE12 7222 3904144255.04 4.84 3904144255.04 4.84 35.37 3.37 -107.79 19.81 HAYSTACK 7205 to OVRO_130 7207 3928881651.04 4.57 3928881651.04 4.57 3.58 3.40 -169.67 18.99 HAYSTACK 7205 to PLATTVIL 7258 2753205374.63 14.70 2753205374.63 14.70 130.29 6.47 -5.31 61.14 HRAS_085 7216 to MOJAVE12 7222 1313368157.84 4.65 1313368157.84 4.65 -24.75 3.97 101.20 21.60 HRAS_085 7216 to OVRO_130 7207 1508195397.61 4.98 1508195397.61 4.98 -2.06 3.74 47.13 21.06 MOJAVE12 7222 to OVRO_130 7207 245276444.04 1.98 245276444.04 1.98 40.88 1.81 -50.27 12.60 MOJAVE12 7222 to PLATTVIL 7258 1196316936.09 7.24 1196316936.09 7.24 -93.57 5.87 110.87 61.00 OVRO_130 7207 to PLATTVIL 7258 1220818736.23 7.12 1220818736.23 7.12 -123.82 6.09 163.02 60.87 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:04 Correlator type: Unknown Experiment code: ia175 Mark-3 db_name: $84APR28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840428_a Ver 2 ia175 Matrix Condition Number = 7.405771273387239E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.7 7.1 833.4 3.0 37.8 3.7 RICHMOND MET 22.5 4.2 1019.3 0.8 47.8 4.6 WESTFORD MET 13.5 3.9 1011.6 0.9 10.9 0.2 WETTZELL MET 3.1 4.7 952.5 0.7 96.1 36.4 Run 26091-1745 451 Observation Pairs Available Session started on: 2445819.250500 1984.04.28 18:00:43.200 UTC Nominal duration: 88439.040 sec 01 00:33:59.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 300 62.033 ps 0.88 1.1346 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 307 Number of potentially good observations with QC 5-9: 307 Number of used observations: 300 ( 97.72%) Number of suppressed observations: 7 ( 2.28%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 50 52 58.975 0.81 19840428_a ia175 1984.04.29-06:17:42.7 BAS_STAT HRAS_085 WESTFORD 57 57 104.220 0.92 19840428_a ia175 1984.04.29-06:17:42.7 BAS_STAT HRAS_085 WETTZELL 28 28 98.339 0.90 19840428_a ia175 1984.04.29-06:17:42.7 BAS_STAT RICHMOND WESTFORD 53 54 77.042 0.97 19840428_a ia175 1984.04.29-06:17:42.7 BAS_STAT RICHMOND WETTZELL 31 34 59.741 0.89 19840428_a ia175 1984.04.29-06:17:42.7 BAS_STAT WESTFORD WETTZELL 81 82 43.166 0.81 19840428_a ia175 1984.04.29-06:17:42.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 19 23 82.473 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 0212+735 J0217+7349 25 25 42 60.322 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 0229+131 J0231+1322 0 0 24 0.000 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 0528+134 J0530+1331 24 24 33 65.507 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 0552+398 J0555+3948 33 35 44 49.172 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 1803+784 J1800+7828 19 19 26 41.354 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 2134+00 J2136+0041 12 12 19 45.261 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 3C273B J1229+0203 17 18 26 54.016 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 3C345 J1642+3948 36 37 40 44.252 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 3C454.3 J2253+1608 17 17 24 49.276 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: 4C39.25 J0927+3902 19 19 37 85.271 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: OJ287 J0854+2006 33 33 40 61.165 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: OQ208 J1407+2827 28 29 34 129.622 19840428_a ia175 1984.04.29-06:17:42.720 SRC_STAT: VR422201 J2202+4216 20 20 39 118.142 19840428_a ia175 1984.04.29-06:17:42.720 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.04.29-06:17:10 1. HRAS_085 7216 NOAM X Comp -1324211039.37 mm -22.373 mm 15.417 mm 16.422 mm 2. HRAS_085 7216 NOAM Y Comp -5332022997.46 mm 84.543 mm 57.292 mm 61.025 mm 3. HRAS_085 7216 NOAM Z Comp 3232118387.41 mm 80.406 mm 35.697 mm 38.023 mm HRAS_085 7216 U Comp -24.98 mm -24.983 mm 68.091 mm 59.661 mm HRAS_085 7216 E Comp -42.09 mm -42.091 mm 8.510 mm 7.457 mm HRAS_085 7216 N Comp 108.25 mm 108.247 mm 9.247 mm 8.103 mm 4. HRAS_085 CL 0 1984.04.28-18:00:11.016 3755.245 ns 0.429 ns 0.457 ns 5. HRAS_085 CL 1 1984.04.28-18:00:11.016 103.917 D-14 2.129 D-14 2.267 D-14 6. HRAS_085 CL 2 1984.04.28-18:00:11.016 4.958 D-14/day 1.810 D-14/day 1.928 D-14/day 32. HRAS_085 AT 0 1984.04.28-18:00:11.016 35.936 ps 145.042 ps 154.492 ps HRAS_085 Atm 1984.04.29-06:30:43.200 Avg: 94.998 ps Rms: 31.940 ps Tot_Rms: 100.223 ps || Nat: 97 Dura: 87680.0 sec Tzd_avg: 6477.2 Tzd_rms: 28.8 Wzd_avg: 143.0 Wzd_rms: 46.3 ps Prs_avg: 83339. Pa Tem_avg: 14.6 C Stm_avg: -2.1 C Stm_rms: 1.4 K Spr_avg: -19. Spr_rms: 53. Pa 108. HRAS_085 NG 1984.04.28-17:59:11.016 0.004 mm 0.422 mm 0.450 mm 109. HRAS_085 EG 1984.04.28-17:59:11.016 -0.005 mm 0.422 mm 0.450 mm 110. HRAS_085 NG 1984.04.29-01:59:11.016 0.000 mm 0.377 mm 0.402 mm 111. HRAS_085 EG 1984.04.29-01:59:11.016 -0.001 mm 0.377 mm 0.402 mm 112. HRAS_085 NG 1984.04.29-09:59:11.016 -0.003 mm 0.377 mm 0.402 mm 113. HRAS_085 EG 1984.04.29-09:59:11.016 0.005 mm 0.377 mm 0.401 mm 114. HRAS_085 NG 1984.04.29-17:59:11.016 -0.003 mm 0.422 mm 0.450 mm 115. HRAS_085 EG 1984.04.29-17:59:11.016 -0.006 mm 0.422 mm 0.450 mm 116. RICHMOND 7219 NOAM X Comp 961257966.31 mm -52.693 mm 8.426 mm 8.975 mm 117. RICHMOND 7219 NOAM Y Comp -5674090017.91 mm 32.086 mm 36.179 mm 38.536 mm 118. RICHMOND 7219 NOAM Z Comp 2740533860.28 mm 62.282 mm 20.743 mm 22.095 mm RICHMOND 7219 U Comp -9.54 mm -9.538 mm 40.547 mm 35.527 mm RICHMOND 7219 E Comp -46.59 mm -46.594 mm 9.324 mm 8.169 mm RICHMOND 7219 N Comp 73.64 mm 73.642 mm 8.899 mm 7.797 mm 119. RICHMOND CL 0 1984.04.28-18:00:11.016 6.430 ns 0.231 ns 0.246 ns 120. RICHMOND CL 1 1984.04.28-18:00:11.016 -39.124 D-14 2.102 D-14 2.239 D-14 121. RICHMOND CL 2 1984.04.28-18:00:11.016 4.674 D-14/day 1.775 D-14/day 1.890 D-14/day 147. RICHMOND AT 0 1984.04.28-18:00:11.016 -145.675 ps 72.553 ps 77.280 ps RICHMOND Atm 1984.04.29-06:30:43.200 Avg: -108.701 ps Rms: 35.829 ps Tot_Rms: 114.453 ps || Nat: 93 Dura: 88440.0 sec Tzd_avg: 8254.1 Tzd_rms: 40.3 Wzd_avg: 527.6 Wzd_rms: 39.6 ps Prs_avg: 101928. Pa Tem_avg: 22.6 C Stm_avg: -2.2 C Stm_rms: 3.3 K Spr_avg: 73. Spr_rms: 85. Pa 223. RICHMOND NG 1984.04.28-17:59:11.016 -0.021 mm 0.422 mm 0.450 mm 224. RICHMOND EG 1984.04.28-17:59:11.016 0.005 mm 0.422 mm 0.449 mm 225. RICHMOND NG 1984.04.29-01:59:11.016 -0.002 mm 0.377 mm 0.402 mm 226. RICHMOND EG 1984.04.29-01:59:11.016 -0.012 mm 0.377 mm 0.401 mm 227. RICHMOND NG 1984.04.29-09:59:11.016 -0.003 mm 0.377 mm 0.402 mm 228. RICHMOND EG 1984.04.29-09:59:11.016 -0.020 mm 0.377 mm 0.401 mm 229. RICHMOND NG 1984.04.29-17:59:11.016 -0.005 mm 0.422 mm 0.450 mm 230. RICHMOND EG 1984.04.29-17:59:11.016 0.008 mm 0.422 mm 0.450 mm 231. WESTFORD 7209 NOAM X Comp 1492206576.75 mm 33.750 mm 7.915 mm 8.431 mm 232. WESTFORD 7209 NOAM Y Comp -4458130423.14 mm 98.863 mm 21.013 mm 22.382 mm 233. WESTFORD 7209 NOAM Z Comp 4296015525.82 mm -21.180 mm 16.741 mm 17.832 mm WESTFORD 7209 U Comp -75.45 mm -75.451 mm 24.907 mm 21.823 mm WESTFORD 7209 E Comp 63.38 mm 63.384 mm 10.882 mm 9.535 mm WESTFORD 7209 N Comp 40.63 mm 40.633 mm 6.758 mm 5.921 mm 234. WESTFORD AT 0 1984.04.28-18:00:11.016 61.831 ps 49.916 ps 53.168 ps WESTFORD Atm 1984.04.29-06:30:43.200 Avg: -62.334 ps Rms: 92.652 ps Tot_Rms: 111.669 ps || Nat: 141 Dura: 86920.0 sec Tzd_avg: 7925.5 Tzd_rms: 138.7 Wzd_avg: 266.3 Wzd_rms: 145.7 ps Prs_avg: 101167. Pa Tem_avg: 13.1 C Stm_avg: 1.0 C Stm_rms: 1.2 K Spr_avg: 179. Spr_rms: 41. Pa 310. WESTFORD NG 1984.04.28-17:59:11.016 -0.009 mm 0.422 mm 0.449 mm 311. WESTFORD EG 1984.04.28-17:59:11.016 0.007 mm 0.421 mm 0.449 mm 312. WESTFORD NG 1984.04.29-01:59:11.016 -0.024 mm 0.377 mm 0.401 mm 313. WESTFORD EG 1984.04.29-01:59:11.016 0.008 mm 0.377 mm 0.401 mm 314. WESTFORD NG 1984.04.29-09:59:11.016 -0.004 mm 0.377 mm 0.401 mm 315. WESTFORD EG 1984.04.29-09:59:11.016 0.001 mm 0.376 mm 0.401 mm 316. WESTFORD NG 1984.04.29-17:59:11.016 0.014 mm 0.422 mm 0.450 mm 317. WESTFORD EG 1984.04.29-17:59:11.016 -0.006 mm 0.422 mm 0.449 mm 318. WETTZELL 7224 EURA X Comp 4075539882.32 mm 41.317 mm 15.067 mm 16.049 mm 319. WETTZELL 7224 EURA Y Comp 931735098.51 mm -215.491 mm 20.942 mm 22.307 mm 320. WETTZELL 7224 EURA Z Comp 4801629271.49 mm -121.509 mm 21.297 mm 22.684 mm WETTZELL 7224 U Comp -96.97 mm -96.974 mm 22.200 mm 19.451 mm WETTZELL 7224 E Comp -219.28 mm -219.280 mm 19.892 mm 17.429 mm WETTZELL 7224 N Comp -73.62 mm -73.624 mm 15.187 mm 13.307 mm 321. WETTZELL CL 0 1984.04.28-18:00:11.016 1152.687 ns 0.234 ns 0.249 ns 322. WETTZELL CL 1 1984.04.28-18:00:11.016 -244.253 D-14 2.219 D-14 2.364 D-14 323. WETTZELL CL 2 1984.04.28-18:00:11.016 4.640 D-14/day 1.873 D-14/day 1.995 D-14/day 349. WETTZELL AT 0 1984.04.28-18:00:11.016 18.802 ps 47.483 ps 50.576 ps WETTZELL Atm 1984.04.29-06:30:43.200 Avg: 19.244 ps Rms: 19.674 ps Tot_Rms: 27.520 ps || Nat: 97 Dura: 85320.0 sec Tzd_avg: 7330.9 Tzd_rms: 12.0 Wzd_avg: 140.9 Wzd_rms: 9.8 ps Prs_avg: 95252. Pa Tem_avg: 3.1 C Stm_avg: 2.1 C Stm_rms: 2.3 K Spr_avg: 454. Spr_rms: 62. Pa 425. WETTZELL NG 1984.04.28-17:59:11.016 0.020 mm 0.422 mm 0.450 mm 426. WETTZELL EG 1984.04.28-17:59:11.016 0.011 mm 0.422 mm 0.450 mm 427. WETTZELL NG 1984.04.29-01:59:11.016 0.032 mm 0.377 mm 0.401 mm 428. WETTZELL EG 1984.04.29-01:59:11.016 0.022 mm 0.377 mm 0.402 mm 429. WETTZELL NG 1984.04.29-09:59:11.016 -0.001 mm 0.377 mm 0.402 mm 430. WETTZELL EG 1984.04.29-09:59:11.016 0.007 mm 0.377 mm 0.402 mm 431. WETTZELL NG 1984.04.29-17:59:11.016 -0.013 mm 0.422 mm 0.450 mm 432. WETTZELL EG 1984.04.29-17:59:11.016 0.001 mm 0.422 mm 0.450 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.82 ps/h NRMS 0.20 share 0.95 count 76 2. RICHMOND Input 50.00 ps/h RMS 13.05 ps/h NRMS 0.26 share 0.93 count 76 3. WESTFORD Input 50.00 ps/h RMS 23.80 ps/h NRMS 0.48 share 0.85 count 76 4. WETTZELL Input 50.00 ps/h RMS 14.53 ps/h NRMS 0.29 share 0.88 count 76 Overall RMS 16.16 ps/h NRMS 0.32 share 0.90 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.65 D-14 NRMS 0.93 share 0.41 count 26 2. RICHMOND Input 5.00 D-14 RMS 3.95 D-14 NRMS 0.79 share 0.40 count 26 4. WETTZELL Input 5.00 D-14 RMS 3.56 D-14 NRMS 0.71 share 0.32 count 26 Overall RMS 4.08 D-14 NRMS 0.82 share 0.38 count 78 433. UT1-TAI 1, 1984.04.29-06:17:00.000 -2.2428 ms/d -58.44 micros/d 54.64 micros/d 58.19 micros/d EOP epoch (TDT) MJD: 45819.262178 NUT epoch (TDT) MJD: 45819.196600 434. Nutation DPSI wrt apriori model 1984.04.29-06:17:10.536 -0.552 mas 836.9 microasec 891.4 microasec Nutation Dx wrt apriori model 1984.04.29-06:17:10.536 -0.218 mas 331.4 microasec 353.0 microasec Nutation DPSI wrt Wahr 1980 model 1984.04.29-06:17:10.536 4.764 mas 836.9 microasec 891.4 microasec 435. Nutation DEPS wrt apriori model 1984.04.29-06:17:10.536 -0.348 mas 422.6 microasec 450.2 microasec Nutation Dy wrt apriori model 1984.04.29-06:17:10.536 -0.349 mas 423.8 microasec 451.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.04.29-06:17:10.536 0.202 mas 422.6 microasec 450.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2435 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.04.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632804.67 18.30 2362632804.67 18.30 46.99 11.11 -38.32 101.66 HRAS_085 7216 to WESTFORD 7209 3134927996.14 23.35 3134927996.14 23.35 89.58 9.84 72.47 86.55 HRAS_085 7216 to WETTZELL 7224 8417561399.62 61.18 8417561399.62 61.18 293.67 9.88 13.51 70.14 RICHMOND 7219 to WESTFORD 7209 2044501742.45 13.02 2044501742.45 13.02 109.10 6.61 83.63 43.69 RICHMOND 7219 to WETTZELL 7224 7588398488.17 29.53 7588398488.17 29.53 227.61 9.54 -25.26 43.26 WESTFORD 7209 to WETTZELL 7224 5998325313.69 16.71 5998325313.69 16.71 160.46 5.07 -21.08 32.96 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:07 Correlator type: Unknown Experiment code: ia176 Mark-3 db_name: $84MAY03X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840503_a Ver 2 ia176 Matrix Condition Number = 2.022149026137993E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.8 2.0 834.9 0.8 42.1 3.2 WESTFORD MET 9.3 2.7 992.3 6.6 10.4 24.4 WETTZELL MET 13.7 2.1 944.2 1.2 52.2 8.0 Run 26091-1745 241 Observation Pairs Available Session started on: 2445824.250700 1984.05.03 18:01:00.480 UTC Nominal duration: 96405.120 sec 01 02:46:45.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 88 51.034 ps 0.76 1.1569 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 90 Number of potentially good observations with QC 5-9: 90 Number of used observations: 88 ( 97.78%) Number of suppressed observations: 2 ( 2.22%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 7 7 30.360 0.35 19840503_a ia176 1984.05.04-07:24:23.0 BAS_STAT HRAS_085 WETTZELL 5 6 40.222 0.37 19840503_a ia176 1984.05.04-07:24:23.0 BAS_STAT WESTFORD WETTZELL 76 77 52.086 0.81 19840503_a ia176 1984.05.04-07:24:23.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 4 4 10 47.847 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 0212+735 J0217+7349 13 13 27 60.707 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 0229+131 J0231+1322 0 0 10 0.000 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 0528+134 J0530+1331 3 3 15 30.212 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 0552+398 J0555+3948 13 15 24 29.410 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 1803+784 J1800+7828 12 12 25 54.853 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 2134+00 J2136+0041 3 3 8 47.176 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 3C273B J1229+0203 4 4 11 46.078 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 3C345 J1642+3948 5 5 21 59.569 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 3C454.3 J2253+1608 4 4 12 73.571 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: 4C39.25 J0927+3902 5 5 20 44.414 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: OJ287 J0854+2006 10 10 19 31.156 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: OQ208 J1407+2827 6 6 16 74.386 19840503_a ia176 1984.05.04-07:24:23.040 SRC_STAT: VR422201 J2202+4216 6 6 23 150.423 19840503_a ia176 1984.05.04-07:24:23.040 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.05.04-07:23:50 1. HRAS_085 7216 NOAM X Comp -1324211076.73 mm -59.728 mm 51.711 mm 55.619 mm 2. HRAS_085 7216 NOAM Y Comp -5332023185.65 mm -103.652 mm 181.396 mm 195.104 mm 3. HRAS_085 7216 NOAM Z Comp 3232118464.32 mm 157.322 mm 106.357 mm 114.395 mm HRAS_085 7216 U Comp 179.11 mm 179.111 mm 211.924 mm 161.319 mm HRAS_085 7216 E Comp -32.98 mm -32.984 mm 26.808 mm 20.406 mm HRAS_085 7216 N Comp 76.76 mm 76.763 mm 35.491 mm 27.016 mm 4. HRAS_085 CL 0 1984.05.03-18:00:28.296 4003.120 ns 1.508 ns 1.622 ns 5. HRAS_085 CL 1 1984.05.03-18:00:28.296 93.423 D-14 5.484 D-14 5.899 D-14 6. HRAS_085 CL 2 1984.05.03-18:00:28.296 -1.287 D-14/day 24.343 D-14/day 26.183 D-14/day 34. HRAS_085 AT 0 1984.05.03-18:00:28.296 -334.948 ps 504.360 ps 542.477 ps HRAS_085 Atm 1984.05.04-07:31:00.480 Avg: -335.905 ps Rms: 0.996 ps Tot_Rms: 335.907 ps || Nat: 102 Dura: 96400.0 sec Tzd_avg: 6477.2 Tzd_rms: 14.8 Wzd_avg: 131.0 Wzd_rms: 9.5 ps Prs_avg: 83491. Pa Tem_avg: 20.0 C Stm_avg: -2.8 C Stm_rms: 1.2 K Spr_avg: -20. Spr_rms: 65. Pa 116. HRAS_085 NG 1984.05.03-17:59:28.296 -0.000 mm 0.422 mm 0.454 mm 117. HRAS_085 EG 1984.05.03-17:59:28.296 -0.001 mm 0.422 mm 0.454 mm 118. HRAS_085 NG 1984.05.04-01:59:28.296 0.000 mm 0.377 mm 0.406 mm 119. HRAS_085 EG 1984.05.04-01:59:28.296 0.001 mm 0.377 mm 0.406 mm 120. HRAS_085 NG 1984.05.04-09:59:28.296 0.000 mm 0.377 mm 0.406 mm 121. HRAS_085 EG 1984.05.04-09:59:28.296 0.000 mm 0.377 mm 0.406 mm 122. HRAS_085 NG 1984.05.04-17:59:28.296 0.000 mm 0.422 mm 0.454 mm 123. HRAS_085 EG 1984.05.04-17:59:28.296 0.000 mm 0.422 mm 0.454 mm 124. WESTFORD 7209 NOAM X Comp 1492206575.24 mm 32.240 mm 26.883 mm 28.915 mm 125. WESTFORD 7209 NOAM Y Comp -4458130317.33 mm 204.671 mm 92.832 mm 99.847 mm 126. WESTFORD 7209 NOAM Z Comp 4296015491.16 mm -55.840 mm 56.121 mm 60.362 mm WESTFORD 7209 U Comp -173.11 mm -173.112 mm 96.061 mm 73.123 mm WESTFORD 7209 E Comp 95.54 mm 95.536 mm 51.736 mm 39.382 mm WESTFORD 7209 N Comp 83.38 mm 83.382 mm 24.199 mm 18.421 mm 127. WESTFORD AT 0 1984.05.03-18:00:28.296 35.646 ps 59.656 ps 64.165 ps WESTFORD Atm 1984.05.04-07:31:00.480 Avg: 25.116 ps Rms: 30.063 ps Tot_Rms: 39.174 ps || Nat: 150 Dura: 96400.0 sec Tzd_avg: 8050.4 Tzd_rms: 78.0 Wzd_avg: 556.3 Wzd_rms: 102.0 ps Prs_avg: 99218. Pa Tem_avg: 9.2 C Stm_avg: -1.5 C Stm_rms: 2.8 K Spr_avg: 276. Spr_rms: 65. Pa 209. WESTFORD NG 1984.05.03-17:59:28.296 -0.006 mm 0.422 mm 0.454 mm 210. WESTFORD EG 1984.05.03-17:59:28.296 0.001 mm 0.422 mm 0.454 mm 211. WESTFORD NG 1984.05.04-01:59:28.296 -0.009 mm 0.377 mm 0.406 mm 212. WESTFORD EG 1984.05.04-01:59:28.296 0.004 mm 0.377 mm 0.406 mm 213. WESTFORD NG 1984.05.04-09:59:28.296 -0.006 mm 0.377 mm 0.406 mm 214. WESTFORD EG 1984.05.04-09:59:28.296 0.004 mm 0.377 mm 0.406 mm 215. WESTFORD NG 1984.05.04-17:59:28.296 0.000 mm 0.422 mm 0.454 mm 216. WESTFORD EG 1984.05.04-17:59:28.296 0.003 mm 0.422 mm 0.454 mm 217. WETTZELL 7224 EURA X Comp 4075539868.49 mm 27.488 mm 31.292 mm 33.657 mm 218. WETTZELL 7224 EURA Y Comp 931735212.98 mm -101.019 mm 90.247 mm 97.067 mm 219. WETTZELL 7224 EURA Z Comp 4801629291.52 mm -101.481 mm 56.700 mm 60.985 mm WETTZELL 7224 U Comp -73.96 mm -73.955 mm 32.169 mm 24.488 mm WETTZELL 7224 E Comp -104.60 mm -104.604 mm 83.295 mm 63.405 mm WETTZELL 7224 N Comp -69.62 mm -69.623 mm 66.073 mm 50.295 mm 220. WETTZELL CL 0 1984.05.03-18:00:28.296 1060.155 ns 0.238 ns 0.256 ns 221. WETTZELL CL 1 1984.05.03-18:00:28.296 41.304 D-14 2.263 D-14 2.434 D-14 222. WETTZELL CL 2 1984.05.03-18:00:28.296 -0.749 D-14/day 2.020 D-14/day 2.172 D-14/day 250. WETTZELL AT 0 1984.05.03-18:00:28.296 -19.655 ps 54.166 ps 58.259 ps WETTZELL Atm 1984.05.04-07:31:00.480 Avg: 2.947 ps Rms: 30.566 ps Tot_Rms: 30.708 ps || Nat: 94 Dura: 82560.0 sec Tzd_avg: 7551.1 Tzd_rms: 32.3 Wzd_avg: 438.5 Wzd_rms: 37.2 ps Prs_avg: 94419. Pa Tem_avg: 13.7 C Stm_avg: -0.4 C Stm_rms: 1.5 K Spr_avg: 512. Spr_rms: 23. Pa 332. WETTZELL NG 1984.05.03-17:59:28.296 0.010 mm 0.422 mm 0.454 mm 333. WETTZELL EG 1984.05.03-17:59:28.296 0.014 mm 0.422 mm 0.454 mm 334. WETTZELL NG 1984.05.04-01:59:28.296 0.035 mm 0.377 mm 0.405 mm 335. WETTZELL EG 1984.05.04-01:59:28.296 0.017 mm 0.377 mm 0.406 mm 336. WETTZELL NG 1984.05.04-09:59:28.296 0.019 mm 0.377 mm 0.406 mm 337. WETTZELL EG 1984.05.04-09:59:28.296 0.009 mm 0.377 mm 0.406 mm 338. WETTZELL NG 1984.05.04-17:59:28.296 0.004 mm 0.422 mm 0.454 mm 339. WETTZELL EG 1984.05.04-17:59:28.296 -0.003 mm 0.422 mm 0.454 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 1.19 ps/h NRMS 0.02 share 0.99 count 82 2. WESTFORD Input 50.00 ps/h RMS 10.27 ps/h NRMS 0.21 share 0.92 count 82 3. WETTZELL Input 50.00 ps/h RMS 9.72 ps/h NRMS 0.19 share 0.91 count 82 Overall RMS 8.19 ps/h NRMS 0.16 share 0.94 count 246 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.00 mm/d NRMS 0.00 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 0.85 D-14 NRMS 0.17 share 0.94 count 28 3. WETTZELL Input 5.00 D-14 RMS 2.74 D-14 NRMS 0.55 share 0.48 count 28 Overall RMS 2.03 D-14 NRMS 0.41 share 0.71 count 56 340. UT1-TAI 1, 1984.05.04-07:24:00.000 -1.4458 ms/d 59.89 micros/d 86.75 micros/d 93.30 micros/d EOP epoch (TDT) MJD: 45824.308706 NUT epoch (TDT) MJD: 45824.143930 341. Nutation DPSI wrt apriori model 1984.05.04-07:23:50.856 -2.509 mas 1530.9 microasec 1646.6 microasec Nutation Dx wrt apriori model 1984.05.04-07:23:50.856 -0.996 mas 606.5 microasec 652.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.05.04-07:23:50.856 2.547 mas 1530.9 microasec 1646.6 microasec 342. Nutation DEPS wrt apriori model 1984.05.04-07:23:50.856 -0.565 mas 709.1 microasec 762.7 microasec Nutation Dy wrt apriori model 1984.05.04-07:23:50.856 -0.568 mas 711.2 microasec 765.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.05.04-07:23:50.856 -0.880 mas 709.1 microasec 762.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.7013 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.05.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928072.43 91.69 3134928072.43 91.69 25.56 50.89 372.89 308.91 HRAS_085 7216 to WETTZELL 7224 8417561629.33219.08 8417561629.33219.08 192.50 47.45 193.50 236.05 WESTFORD 7209 to WETTZELL 7224 5998325320.78 22.47 5998325320.78 22.47 116.76 8.20 -56.54 46.85 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:10 Correlator type: Unknown Experiment code: ia177 Mark-3 db_name: $84MAY08X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840508_a Ver 2 ia177 Matrix Condition Number = 5.087105884522991E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.8 4.6 844.9 1.4 42.2 1.5 WESTFORD MET 12.1 1.5 990.4 1.2 71.0 39.2 WETTZELL MET 5.4 4.4 947.7 1.1 98.9 29.7 Run 26091-1745 227 Observation Pairs Available Session started on: 2445829.385200 1984.05.08 21:14:41.280 UTC Nominal duration: 85924.800 sec 00 23:52:04.800 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 199 47.902 ps 0.90 1.3323 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 199 Number of potentially good observations with QC 5-9: 199 Number of used observations: 199 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 79 79 50.107 1.04 19840508_a ia177 1984.05.09-09:10:43.6 BAS_STAT HRAS_085 WETTZELL 38 38 48.198 0.86 19840508_a ia177 1984.05.09-09:10:43.6 BAS_STAT WESTFORD WETTZELL 82 82 44.447 0.76 19840508_a ia177 1984.05.09-09:10:43.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 8 78.114 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 0212+735 J0217+7349 28 28 29 47.811 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 0229+131 J0231+1322 4 4 12 64.106 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 0528+134 J0530+1331 12 12 14 51.561 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 0552+398 J0555+3948 20 20 20 40.475 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 1803+784 J1800+7828 26 26 26 60.196 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 2134+00 J2136+0041 7 7 8 36.478 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 3C273B J1229+0203 8 8 10 20.884 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 3C345 J1642+3948 18 18 19 24.196 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 3C454.3 J2253+1608 11 11 11 55.896 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: 4C39.25 J0927+3902 13 13 18 59.885 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: OJ287 J0854+2006 15 15 15 39.942 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: OQ208 J1407+2827 14 14 15 92.911 19840508_a ia177 1984.05.09-09:10:43.680 SRC_STAT: VR422201 J2202+4216 15 15 22 64.587 19840508_a ia177 1984.05.09-09:10:43.680 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.05.09-09:10:11 1. HRAS_085 7216 NOAM X Comp -1324211056.28 mm -39.280 mm 10.567 mm 12.197 mm 2. HRAS_085 7216 NOAM Y Comp -5332023095.66 mm -13.662 mm 27.815 mm 32.106 mm 3. HRAS_085 7216 NOAM Z Comp 3232118472.43 mm 165.434 mm 20.031 mm 23.121 mm HRAS_085 7216 U Comp 103.86 mm 103.858 mm 33.803 mm 30.401 mm HRAS_085 7216 E Comp -34.83 mm -34.829 mm 7.579 mm 6.816 mm HRAS_085 7216 N Comp 130.76 mm 130.761 mm 9.302 mm 8.366 mm 4. HRAS_085 CL 0 1984.05.08-21:14:09.096 4392.296 ns 0.291 ns 0.336 ns 5. HRAS_085 CL 1 1984.05.08-21:14:09.096 81.951 D-14 2.177 D-14 2.513 D-14 6. HRAS_085 CL 2 1984.05.08-21:14:09.096 0.798 D-14/day 1.880 D-14/day 2.170 D-14/day 31. HRAS_085 AT 0 1984.05.08-21:14:09.096 -57.776 ps 106.337 ps 122.740 ps HRAS_085 Atm 1984.05.09-09:14:41.280 Avg: -20.584 ps Rms: 22.452 ps Tot_Rms: 30.460 ps || Nat: 89 Dura: 85920.0 sec Tzd_avg: 6561.8 Tzd_rms: 9.1 Wzd_avg: 143.0 Wzd_rms: 11.9 ps Prs_avg: 84499. Pa Tem_avg: 13.8 C Stm_avg: -3.6 C Stm_rms: 1.1 K Spr_avg: 28. Spr_rms: 75. Pa 104. HRAS_085 NG 1984.05.08-21:13:09.096 -0.021 mm 0.422 mm 0.487 mm 105. HRAS_085 EG 1984.05.08-21:13:09.096 -0.001 mm 0.422 mm 0.487 mm 106. HRAS_085 NG 1984.05.09-05:13:09.096 -0.001 mm 0.377 mm 0.435 mm 107. HRAS_085 EG 1984.05.09-05:13:09.096 0.009 mm 0.377 mm 0.435 mm 108. HRAS_085 NG 1984.05.09-13:13:09.096 0.013 mm 0.377 mm 0.435 mm 109. HRAS_085 EG 1984.05.09-13:13:09.096 -0.018 mm 0.377 mm 0.435 mm 110. HRAS_085 NG 1984.05.09-21:13:09.096 -0.002 mm 0.422 mm 0.487 mm 111. HRAS_085 EG 1984.05.09-21:13:09.096 -0.005 mm 0.422 mm 0.487 mm 112. WESTFORD 7209 NOAM X Comp 1492206590.12 mm 47.124 mm 7.873 mm 9.088 mm 113. WESTFORD 7209 NOAM Y Comp -4458130382.31 mm 139.691 mm 15.905 mm 18.359 mm 114. WESTFORD 7209 NOAM Z Comp 4296015517.51 mm -29.494 mm 14.613 mm 16.867 mm WESTFORD 7209 U Comp -106.45 mm -106.450 mm 20.070 mm 18.051 mm WESTFORD 7209 E Comp 89.03 mm 89.026 mm 9.747 mm 8.766 mm WESTFORD 7209 N Comp 57.85 mm 57.853 mm 5.540 mm 4.982 mm 115. WESTFORD AT 0 1984.05.08-21:14:09.096 76.115 ps 32.963 ps 38.047 ps WESTFORD Atm 1984.05.09-09:14:41.280 Avg: -63.857 ps Rms: 81.076 ps Tot_Rms: 103.203 ps || Nat: 136 Dura: 85920.0 sec Tzd_avg: 8036.0 Tzd_rms: 222.7 Wzd_avg: 551.3 Wzd_rms: 238.1 ps Prs_avg: 99040. Pa Tem_avg: 12.1 C Stm_avg: -0.5 C Stm_rms: 1.2 K Spr_avg: 222. Spr_rms: 62. Pa 188. WESTFORD NG 1984.05.08-21:13:09.096 -0.006 mm 0.422 mm 0.487 mm 189. WESTFORD EG 1984.05.08-21:13:09.096 0.003 mm 0.421 mm 0.486 mm 190. WESTFORD NG 1984.05.09-05:13:09.096 -0.014 mm 0.376 mm 0.435 mm 191. WESTFORD EG 1984.05.09-05:13:09.096 -0.005 mm 0.376 mm 0.434 mm 192. WESTFORD NG 1984.05.09-13:13:09.096 0.006 mm 0.377 mm 0.435 mm 193. WESTFORD EG 1984.05.09-13:13:09.096 0.028 mm 0.376 mm 0.434 mm 194. WESTFORD NG 1984.05.09-21:13:09.096 0.020 mm 0.422 mm 0.487 mm 195. WESTFORD EG 1984.05.09-21:13:09.096 0.036 mm 0.422 mm 0.487 mm 196. WETTZELL 7224 EURA X Comp 4075539833.16 mm -7.844 mm 14.050 mm 16.217 mm 197. WETTZELL 7224 EURA Y Comp 931735187.97 mm -126.030 mm 15.856 mm 18.302 mm 198. WETTZELL 7224 EURA Z Comp 4801629257.06 mm -135.940 mm 19.381 mm 22.371 mm WETTZELL 7224 U Comp -126.20 mm -126.196 mm 21.384 mm 19.232 mm WETTZELL 7224 E Comp -121.11 mm -121.112 mm 14.919 mm 13.418 mm WETTZELL 7224 N Comp -61.90 mm -61.896 mm 12.025 mm 10.815 mm 199. WETTZELL CL 0 1984.05.08-21:14:09.096 1177.857 ns 0.162 ns 0.187 ns 200. WETTZELL CL 1 1984.05.08-21:14:09.096 13.023 D-14 2.145 D-14 2.476 D-14 201. WETTZELL CL 2 1984.05.08-21:14:09.096 -3.967 D-14/day 1.867 D-14/day 2.155 D-14/day 226. WETTZELL AT 0 1984.05.08-21:14:09.096 -8.629 ps 36.848 ps 42.532 ps WETTZELL Atm 1984.05.09-09:14:41.280 Avg: -13.497 ps Rms: 6.461 ps Tot_Rms: 14.964 ps || Nat: 94 Dura: 84900.0 sec Tzd_avg: 7319.0 Tzd_rms: 9.3 Wzd_avg: 162.7 Wzd_rms: 17.8 ps Prs_avg: 94777. Pa Tem_avg: 5.3 C Stm_avg: 0.2 C Stm_rms: 1.8 K Spr_avg: 414. Spr_rms: 103. Pa 299. WETTZELL NG 1984.05.08-21:13:09.096 -0.005 mm 0.422 mm 0.487 mm 300. WETTZELL EG 1984.05.08-21:13:09.096 0.000 mm 0.422 mm 0.487 mm 301. WETTZELL NG 1984.05.09-05:13:09.096 0.006 mm 0.377 mm 0.435 mm 302. WETTZELL EG 1984.05.09-05:13:09.096 -0.005 mm 0.377 mm 0.435 mm 303. WETTZELL NG 1984.05.09-13:13:09.096 0.005 mm 0.377 mm 0.435 mm 304. WETTZELL EG 1984.05.09-13:13:09.096 -0.003 mm 0.377 mm 0.435 mm 305. WETTZELL NG 1984.05.09-21:13:09.096 0.004 mm 0.422 mm 0.487 mm 306. WETTZELL EG 1984.05.09-21:13:09.096 0.006 mm 0.422 mm 0.487 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.31 ps/h NRMS 0.29 share 0.91 count 73 2. WESTFORD Input 50.00 ps/h RMS 31.88 ps/h NRMS 0.64 share 0.81 count 73 3. WETTZELL Input 50.00 ps/h RMS 8.54 ps/h NRMS 0.17 share 0.87 count 73 Overall RMS 20.77 ps/h NRMS 0.42 share 0.87 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.53 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.85 D-14 NRMS 0.57 share 0.27 count 25 3. WETTZELL Input 5.00 D-14 RMS 2.61 D-14 NRMS 0.52 share 0.29 count 25 Overall RMS 2.73 D-14 NRMS 0.55 share 0.28 count 50 307. UT1-TAI 1, 1984.05.09-09:10:00.000 -1.9578 ms/d -7.51 micros/d 52.79 micros/d 60.94 micros/d EOP epoch (TDT) MJD: 45829.382317 NUT epoch (TDT) MJD: 45829.399660 308. Nutation DPSI wrt apriori model 1984.05.09-09:10:11.496 -1.165 mas 986.9 microasec 1139.2 microasec Nutation Dx wrt apriori model 1984.05.09-09:10:11.496 -0.463 mas 391.3 microasec 451.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.05.09-09:10:11.496 4.892 mas 986.9 microasec 1139.2 microasec 309. Nutation DEPS wrt apriori model 1984.05.09-09:10:11.496 -0.055 mas 366.1 microasec 422.6 microasec Nutation Dy wrt apriori model 1984.05.09-09:10:11.496 -0.056 mas 367.5 microasec 424.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.05.09-09:10:11.496 -0.660 mas 366.1 microasec 422.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5081 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.05.09 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928030.42 13.67 3134928030.42 13.67 94.21 5.38 239.09 50.89 HRAS_085 7216 to WETTZELL 7224 8417561500.03 38.65 8417561500.03 38.65 230.33 6.56 192.55 46.44 WESTFORD 7209 to WETTZELL 7224 5998325329.95 16.10 5998325329.95 16.10 101.92 5.01 30.13 33.69 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:13 Correlator type: Unknown Experiment code: ia178 Mark-3 db_name: $84MAY13X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840513_a Ver 2 ia178 Matrix Condition Number = 7.182276168843779E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.5 4.7 842.6 1.0 40.3 9.3 WESTFORD MET 12.8 3.8 999.5 2.9 14.6 24.0 WETTZELL MET 7.1 0.9 942.3 1.5 98.1 9.7 Run 26091-1745 228 Observation Pairs Available Session started on: 2445834.245600 1984.05.13 17:53:39.840 UTC Nominal duration: 87298.560 sec 01 00:14:58.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 191 60.808 ps 0.94 1.4329 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 192 Number of potentially good observations with QC 5-9: 192 Number of used observations: 191 ( 99.48%) Number of suppressed observations: 1 ( 0.52%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 68 69 51.484 0.94 19840513_a ia178 1984.05.14-06:01:09.1 BAS_STAT HRAS_085 WETTZELL 41 41 57.796 0.90 19840513_a ia178 1984.05.14-06:01:09.1 BAS_STAT WESTFORD WETTZELL 82 82 76.083 0.96 19840513_a ia178 1984.05.14-06:01:09.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 8 73.716 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 0212+735 J0217+7349 26 26 28 72.789 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 0229+131 J0231+1322 0 0 10 0.000 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 0528+134 J0530+1331 11 11 14 35.881 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 0552+398 J0555+3948 22 23 23 37.803 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 1803+784 J1800+7828 23 23 26 63.811 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 2134+00 J2136+0041 7 7 7 85.216 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 3C273B J1229+0203 10 10 11 45.072 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 3C345 J1642+3948 15 15 18 48.360 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 3C454.3 J2253+1608 9 9 10 59.035 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: 4C39.25 J0927+3902 15 15 19 92.856 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: OJ287 J0854+2006 18 18 18 38.692 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: OQ208 J1407+2827 13 13 13 125.188 19840513_a ia178 1984.05.14-06:01:09.120 SRC_STAT: VR422201 J2202+4216 14 14 23 88.139 19840513_a ia178 1984.05.14-06:01:09.120 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.05.14-06:00:36 1. HRAS_085 7216 NOAM X Comp -1324211066.36 mm -49.363 mm 12.442 mm 14.894 mm 2. HRAS_085 7216 NOAM Y Comp -5332023019.97 mm 62.035 mm 33.160 mm 39.694 mm 3. HRAS_085 7216 NOAM Z Comp 3232118410.06 mm 103.059 mm 23.073 mm 27.619 mm HRAS_085 7216 U Comp 10.95 mm 10.953 mm 40.019 mm 37.691 mm HRAS_085 7216 E Comp -62.86 mm -62.860 mm 8.643 mm 8.140 mm HRAS_085 7216 N Comp 113.29 mm 113.291 mm 10.511 mm 9.899 mm 4. HRAS_085 AT 0 1984.05.13-17:53:07.656 34.311 ps 106.472 ps 127.452 ps HRAS_085 Atm 1984.05.14-06:23:39.840 Avg: 68.627 ps Rms: 14.232 ps Tot_Rms: 70.087 ps || Nat: 87 Dura: 86820.0 sec Tzd_avg: 6643.4 Tzd_rms: 47.6 Wzd_avg: 247.7 Wzd_rms: 48.7 ps Prs_avg: 84262. Pa Tem_avg: 17.4 C Stm_avg: -2.0 C Stm_rms: 0.6 K Spr_avg: 49. Spr_rms: 91. Pa 80. HRAS_085 NG 1984.05.13-17:52:07.656 0.005 mm 0.422 mm 0.505 mm 81. HRAS_085 EG 1984.05.13-17:52:07.656 -0.000 mm 0.422 mm 0.505 mm 82. HRAS_085 NG 1984.05.14-01:52:07.656 0.001 mm 0.377 mm 0.451 mm 83. HRAS_085 EG 1984.05.14-01:52:07.656 0.003 mm 0.377 mm 0.451 mm 84. HRAS_085 NG 1984.05.14-09:52:07.656 -0.007 mm 0.377 mm 0.451 mm 85. HRAS_085 EG 1984.05.14-09:52:07.656 -0.031 mm 0.377 mm 0.451 mm 86. HRAS_085 NG 1984.05.14-17:52:07.656 -0.003 mm 0.422 mm 0.505 mm 87. HRAS_085 EG 1984.05.14-17:52:07.656 -0.014 mm 0.422 mm 0.505 mm 88. WESTFORD 7209 NOAM X Comp 1492206572.26 mm 29.264 mm 8.978 mm 10.747 mm 89. WESTFORD 7209 NOAM Y Comp -4458130429.36 mm 92.640 mm 19.271 mm 23.068 mm 90. WESTFORD 7209 NOAM Z Comp 4296015543.93 mm -3.068 mm 17.896 mm 21.422 mm WESTFORD 7209 U Comp -59.89 mm -59.894 mm 24.697 mm 23.260 mm WESTFORD 7209 E Comp 57.16 mm 57.155 mm 11.071 mm 10.427 mm WESTFORD 7209 N Comp 50.93 mm 50.931 mm 6.303 mm 5.936 mm 91. WESTFORD CL 0 1984.05.13-17:53:07.656 -3973.319 ns 0.305 ns 0.365 ns 92. WESTFORD CL 1 1984.05.13-17:53:07.656 -62.340 D-14 2.106 D-14 2.521 D-14 93. WESTFORD CL 2 1984.05.13-17:53:07.656 -2.902 D-14/day 1.823 D-14/day 2.182 D-14/day 119. WESTFORD AT 0 1984.05.13-17:53:07.656 -74.207 ps 43.069 ps 51.555 ps WESTFORD Atm 1984.05.14-06:23:39.840 Avg: -53.860 ps Rms: 30.645 ps Tot_Rms: 61.968 ps || Nat: 136 Dura: 87300.0 sec Tzd_avg: 7952.2 Tzd_rms: 53.2 Wzd_avg: 390.3 Wzd_rms: 61.8 ps Prs_avg: 99956. Pa Tem_avg: 12.8 C Stm_avg: 0.1 C Stm_rms: 0.9 K Spr_avg: 192. Spr_rms: 71. Pa 195. WESTFORD NG 1984.05.13-17:52:07.656 -0.000 mm 0.422 mm 0.505 mm 196. WESTFORD EG 1984.05.13-17:52:07.656 -0.024 mm 0.421 mm 0.504 mm 197. WESTFORD NG 1984.05.14-01:52:07.656 -0.026 mm 0.377 mm 0.451 mm 198. WESTFORD EG 1984.05.14-01:52:07.656 0.005 mm 0.376 mm 0.451 mm 199. WESTFORD NG 1984.05.14-09:52:07.656 -0.021 mm 0.377 mm 0.451 mm 200. WESTFORD EG 1984.05.14-09:52:07.656 0.099 mm 0.376 mm 0.450 mm 201. WESTFORD NG 1984.05.14-17:52:07.656 -0.018 mm 0.422 mm 0.505 mm 202. WESTFORD EG 1984.05.14-17:52:07.656 0.029 mm 0.421 mm 0.504 mm 203. WETTZELL 7224 EURA X Comp 4075539861.10 mm 20.099 mm 16.235 mm 19.434 mm 204. WETTZELL 7224 EURA Y Comp 931735159.33 mm -154.675 mm 18.882 mm 22.602 mm 205. WETTZELL 7224 EURA Z Comp 4801629293.01 mm -99.991 mm 22.117 mm 26.475 mm WETTZELL 7224 U Comp -85.36 mm -85.362 mm 24.399 mm 22.979 mm WETTZELL 7224 E Comp -155.26 mm -155.264 mm 17.770 mm 16.736 mm WETTZELL 7224 N Comp -54.16 mm -54.155 mm 14.078 mm 13.258 mm 206. WETTZELL CL 0 1984.05.13-17:53:07.656 -3748.799 ns 0.310 ns 0.371 ns 207. WETTZELL CL 1 1984.05.13-17:53:07.656 -85.836 D-14 2.138 D-14 2.560 D-14 208. WETTZELL CL 2 1984.05.13-17:53:07.656 -3.099 D-14/day 1.852 D-14/day 2.216 D-14/day 234. WETTZELL AT 0 1984.05.13-17:53:07.656 -25.765 ps 43.462 ps 52.026 ps WETTZELL Atm 1984.05.14-06:23:39.840 Avg: 2.959 ps Rms: 24.011 ps Tot_Rms: 24.193 ps || Nat: 97 Dura: 87300.0 sec Tzd_avg: 7495.4 Tzd_rms: 50.9 Wzd_avg: 395.1 Wzd_rms: 43.7 ps Prs_avg: 94228. Pa Tem_avg: 7.1 C Stm_avg: 1.8 C Stm_rms: 1.0 K Spr_avg: 505. Spr_rms: 32. Pa 310. WETTZELL NG 1984.05.13-17:52:07.656 -0.005 mm 0.422 mm 0.505 mm 311. WETTZELL EG 1984.05.13-17:52:07.656 -0.002 mm 0.422 mm 0.506 mm 312. WETTZELL NG 1984.05.14-01:52:07.656 0.022 mm 0.377 mm 0.451 mm 313. WETTZELL EG 1984.05.14-01:52:07.656 0.025 mm 0.377 mm 0.451 mm 314. WETTZELL NG 1984.05.14-09:52:07.656 0.013 mm 0.377 mm 0.451 mm 315. WETTZELL EG 1984.05.14-09:52:07.656 -0.011 mm 0.377 mm 0.451 mm 316. WETTZELL NG 1984.05.14-17:52:07.656 0.000 mm 0.422 mm 0.506 mm 317. WETTZELL EG 1984.05.14-17:52:07.656 0.005 mm 0.422 mm 0.506 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.62 ps/h NRMS 0.25 share 0.92 count 76 2. WESTFORD Input 50.00 ps/h RMS 21.25 ps/h NRMS 0.42 share 0.86 count 76 3. WETTZELL Input 50.00 ps/h RMS 11.30 ps/h NRMS 0.23 share 0.89 count 76 Overall RMS 15.69 ps/h NRMS 0.31 share 0.89 count 228 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.54 count 24 Clock Constraint Statistics 2. WESTFORD Input 5.00 D-14 RMS 2.72 D-14 NRMS 0.54 share 0.32 count 26 3. WETTZELL Input 5.00 D-14 RMS 2.35 D-14 NRMS 0.47 share 0.38 count 26 Overall RMS 2.54 D-14 NRMS 0.51 share 0.35 count 52 318. UT1-TAI 1, 1984.05.14-06:01:00.000 -2.0791 ms/d -19.22 micros/d 54.70 micros/d 65.48 micros/d EOP epoch (TDT) MJD: 45834.251067 NUT epoch (TDT) MJD: 45834.199203 319. Nutation DPSI wrt apriori model 1984.05.14-06:00:36.936 0.946 mas 990.2 microasec 1185.3 microasec Nutation Dx wrt apriori model 1984.05.14-06:00:36.936 0.376 mas 392.4 microasec 469.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.05.14-06:00:36.936 5.518 mas 990.2 microasec 1185.3 microasec 320. Nutation DEPS wrt apriori model 1984.05.14-06:00:36.936 0.034 mas 435.0 microasec 520.8 microasec Nutation Dy wrt apriori model 1984.05.14-06:00:36.936 0.035 mas 436.4 microasec 522.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.05.14-06:00:36.936 0.070 mas 435.0 microasec 520.8 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6268 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.05.14 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928019.36 16.25 3134928019.36 16.25 93.87 6.16 87.79 60.88 HRAS_085 7216 to WETTZELL 7224 8417561465.11 46.03 8417561465.11 46.03 257.92 7.70 51.06 53.30 WESTFORD 7209 to WETTZELL 7224 5998325367.01 18.44 5998325367.01 18.44 125.28 6.03 5.48 40.00 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:16 Correlator type: Unknown Experiment code: ia179 Mark-3 db_name: $84MAY18X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840518_a Ver 2 ia179 Matrix Condition Number = 7.980293147930473E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.3 2.3 839.5 0.7 54.0 0.8 ONSALA60 MET 11.8 1.8 1007.3 1.7 85.0 10.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WESTFORD MET 13.5 3.8 1000.0 2.2 13.5 0.1 WETTZELL MET 16.7 4.2 939.1 2.8 42.7 5.8 Run 26091-1745 567 Observation Pairs Available Session started on: 2445839.240800 1984.05.18 17:46:45.120 UTC Nominal duration: 86840.640 sec 01 00:07:20.640 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 359 33.857 ps 0.82 0.9826 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 362 Number of potentially good observations with QC 5-9: 362 Number of used observations: 359 ( 99.17%) Number of suppressed observations: 3 ( 0.83%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 37 37 75.951 0.85 19840518_a ia179 1984.05.19-05:50:25.4 BAS_STAT HRAS_085 WESTFORD 73 74 44.090 0.78 19840518_a ia179 1984.05.19-05:50:25.4 BAS_STAT HRAS_085 WETTZELL 35 35 110.567 0.93 19840518_a ia179 1984.05.19-05:50:25.4 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 WESTFORD 73 74 80.807 0.90 19840518_a ia179 1984.05.19-05:50:25.4 BAS_STAT ONSALA60 WETTZELL 65 65 12.073 0.59 19840518_a ia179 1984.05.19-05:50:25.4 BAS_STAT WESTFORD WETTZELL 76 77 66.930 0.86 19840518_a ia179 1984.05.19-05:50:25.4 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19840518_a ia179 ONSALA85 WESTFORD 0/ 0 deselected baseline 19840518_a ia179 ONSALA85 WETTZELL 0/ 0 deselected baseline 19840518_a ia179 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 16 42.039 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 0212+735 J0217+7349 52 52 85 64.205 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 0229+131 J0231+1322 15 15 19 31.639 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 0528+134 J0530+1331 14 14 19 30.565 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 0552+398 J0555+3948 33 33 50 39.745 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 1803+784 J1800+7828 51 51 80 55.740 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 2134+00 J2136+0041 10 10 15 16.364 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 3C273B J1229+0203 10 10 15 16.586 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 3C345 J1642+3948 34 36 58 24.589 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 3C454.3 J2253+1608 24 24 36 25.737 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: 4C39.25 J0927+3902 24 24 42 28.750 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: OJ287 J0854+2006 32 32 47 36.691 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: OQ208 J1407+2827 22 22 32 54.012 19840518_a ia179 1984.05.19-05:50:25.440 SRC_STAT: VR422201 J2202+4216 26 27 53 51.158 19840518_a ia179 1984.05.19-05:50:25.440 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.05.19-05:49:53 1. HRAS_085 7216 NOAM X Comp -1324211060.58 mm -43.577 mm 12.111 mm 12.005 mm 2. HRAS_085 7216 NOAM Y Comp -5332023172.15 mm -90.148 mm 32.255 mm 31.973 mm 3. HRAS_085 7216 NOAM Z Comp 3232118553.41 mm 246.414 mm 24.418 mm 24.205 mm HRAS_085 7216 U Comp 209.89 mm 209.886 mm 39.388 mm 32.188 mm HRAS_085 7216 E Comp -20.56 mm -20.564 mm 9.248 mm 7.558 mm HRAS_085 7216 N Comp 162.08 mm 162.082 mm 12.099 mm 9.888 mm 4. HRAS_085 CL 0 1984.05.18-17:46:12.936 4466.432 ns 0.258 ns 0.256 ns 5. HRAS_085 CL 1 1984.05.18-17:46:12.936 76.626 D-14 2.100 D-14 2.081 D-14 6. HRAS_085 CL 2 1984.05.18-17:46:12.936 5.771 D-14/day 1.833 D-14/day 1.817 D-14/day 32. HRAS_085 AT 0 1984.05.18-17:46:12.936 -227.395 ps 93.550 ps 92.734 ps HRAS_085 Atm 1984.05.19-06:16:45.120 Avg: -204.638 ps Rms: 21.290 ps Tot_Rms: 205.742 ps || Nat: 84 Dura: 86160.0 sec Tzd_avg: 6689.5 Tzd_rms: 72.4 Wzd_avg: 316.0 Wzd_rms: 68.9 ps Prs_avg: 83950. Pa Tem_avg: 17.3 C Stm_avg: -2.9 C Stm_rms: 1.3 K Spr_avg: -1. Spr_rms: 68. Pa 108. HRAS_085 NG 1984.05.18-17:45:12.936 0.015 mm 0.422 mm 0.418 mm 109. HRAS_085 EG 1984.05.18-17:45:12.936 -0.025 mm 0.422 mm 0.418 mm 110. HRAS_085 NG 1984.05.19-01:45:12.936 0.004 mm 0.377 mm 0.374 mm 111. HRAS_085 EG 1984.05.19-01:45:12.936 -0.005 mm 0.377 mm 0.373 mm 112. HRAS_085 NG 1984.05.19-09:45:12.936 -0.017 mm 0.377 mm 0.374 mm 113. HRAS_085 EG 1984.05.19-09:45:12.936 0.035 mm 0.377 mm 0.373 mm 114. HRAS_085 NG 1984.05.19-17:45:12.936 -0.008 mm 0.422 mm 0.418 mm 115. HRAS_085 EG 1984.05.19-17:45:12.936 0.016 mm 0.422 mm 0.418 mm 116. ONSALA60 7213 EURA X Comp 3370605963.36 mm -25.639 mm 11.237 mm 11.139 mm 117. ONSALA60 7213 EURA Y Comp 711917494.30 mm -34.701 mm 12.183 mm 12.077 mm 118. ONSALA60 7213 EURA Z Comp 5349830645.71 mm -120.290 mm 17.705 mm 17.550 mm ONSALA60 7213 U Comp -118.72 mm -118.715 mm 19.362 mm 15.823 mm ONSALA60 7213 E Comp -28.65 mm -28.654 mm 11.844 mm 9.679 mm ONSALA60 7213 N Comp -37.64 mm -37.643 mm 8.543 mm 6.982 mm 119. ONSALA60 CL 0 1984.05.18-17:46:12.936 -6237.225 ns 0.159 ns 0.157 ns 120. ONSALA60 CL 1 1984.05.18-17:46:12.936 -9.421 D-14 2.134 D-14 2.115 D-14 121. ONSALA60 CL 2 1984.05.18-17:46:12.936 5.261 D-14/day 1.933 D-14/day 1.916 D-14/day 147. ONSALA60 AT 0 1984.05.18-17:46:12.936 19.336 ps 44.412 ps 44.025 ps ONSALA60 Atm 1984.05.19-06:16:45.120 Avg: -38.716 ps Rms: 30.900 ps Tot_Rms: 49.535 ps || Nat: 84 Dura: 82920.0 sec Tzd_avg: 7986.9 Tzd_rms: 33.9 Wzd_avg: 377.6 Wzd_rms: 47.4 ps Prs_avg: 100724. Pa Tem_avg: 11.7 C Stm_avg: -0.1 C Stm_rms: 0.6 K Spr_avg: 207. Spr_rms: 22. Pa 223. ONSALA60 NG 1984.05.18-17:45:12.936 0.040 mm 0.421 mm 0.417 mm 224. ONSALA60 EG 1984.05.18-17:45:12.936 0.011 mm 0.421 mm 0.418 mm 225. ONSALA60 NG 1984.05.19-01:45:12.936 -0.016 mm 0.377 mm 0.373 mm 226. ONSALA60 EG 1984.05.19-01:45:12.936 -0.025 mm 0.377 mm 0.373 mm 227. ONSALA60 NG 1984.05.19-09:45:12.936 -0.039 mm 0.375 mm 0.372 mm 228. ONSALA60 EG 1984.05.19-09:45:12.936 -0.006 mm 0.376 mm 0.373 mm 229. ONSALA60 NG 1984.05.19-17:45:12.936 -0.002 mm 0.422 mm 0.418 mm 230. ONSALA60 EG 1984.05.19-17:45:12.936 0.003 mm 0.422 mm 0.418 mm 231. WESTFORD 7209 NOAM X Comp 1492206605.44 mm 62.441 mm 9.704 mm 9.619 mm 232. WESTFORD 7209 NOAM Y Comp -4458130334.52 mm 187.478 mm 14.169 mm 14.046 mm 233. WESTFORD 7209 NOAM Z Comp 4296015526.64 mm -20.358 mm 16.482 mm 16.338 mm WESTFORD 7209 U Comp -130.04 mm -130.036 mm 20.309 mm 16.597 mm WESTFORD 7209 E Comp 118.72 mm 118.719 mm 10.130 mm 8.278 mm WESTFORD 7209 N Comp 91.97 mm 91.967 mm 7.178 mm 5.866 mm 234. WESTFORD AT 0 1984.05.18-17:46:12.936 34.030 ps 43.681 ps 43.300 ps WESTFORD Atm 1984.05.19-06:16:45.120 Avg: -20.316 ps Rms: 47.827 ps Tot_Rms: 51.963 ps || Nat: 130 Dura: 86840.0 sec Tzd_avg: 7833.4 Tzd_rms: 80.8 Wzd_avg: 263.8 Wzd_rms: 99.3 ps Prs_avg: 99989. Pa Tem_avg: 13.8 C Stm_avg: 1.2 C Stm_rms: 2.4 K Spr_avg: 181. Spr_rms: 62. Pa 310. WESTFORD NG 1984.05.18-17:45:12.936 -0.067 mm 0.422 mm 0.418 mm 311. WESTFORD EG 1984.05.18-17:45:12.936 0.073 mm 0.421 mm 0.417 mm 312. WESTFORD NG 1984.05.19-01:45:12.936 -0.040 mm 0.377 mm 0.373 mm 313. WESTFORD EG 1984.05.19-01:45:12.936 0.014 mm 0.376 mm 0.373 mm 314. WESTFORD NG 1984.05.19-09:45:12.936 0.044 mm 0.377 mm 0.373 mm 315. WESTFORD EG 1984.05.19-09:45:12.936 -0.020 mm 0.376 mm 0.373 mm 316. WESTFORD NG 1984.05.19-17:45:12.936 0.011 mm 0.422 mm 0.418 mm 317. WESTFORD EG 1984.05.19-17:45:12.936 -0.003 mm 0.421 mm 0.418 mm 318. WETTZELL 7224 EURA X Comp 4075539847.78 mm 6.776 mm 11.708 mm 11.606 mm 319. WETTZELL 7224 EURA Y Comp 931735251.37 mm -62.629 mm 12.437 mm 12.329 mm 320. WETTZELL 7224 EURA Z Comp 4801629287.23 mm -105.766 mm 16.093 mm 15.953 mm WETTZELL 7224 U Comp -84.81 mm -84.807 mm 17.940 mm 14.661 mm WETTZELL 7224 E Comp -62.56 mm -62.564 mm 11.858 mm 9.691 mm WETTZELL 7224 N Comp -63.63 mm -63.625 mm 9.396 mm 7.679 mm 321. WETTZELL CL 0 1984.05.18-17:46:12.936 296.286 ns 0.170 ns 0.169 ns 322. WETTZELL CL 1 1984.05.18-17:46:12.936 -30.726 D-14 2.093 D-14 2.075 D-14 323. WETTZELL CL 2 1984.05.18-17:46:12.936 -2.105 D-14/day 1.808 D-14/day 1.792 D-14/day 349. WETTZELL AT 0 1984.05.18-17:46:12.936 -76.100 ps 54.304 ps 53.831 ps WETTZELL Atm 1984.05.19-06:16:45.120 Avg: -49.262 ps Rms: 13.698 ps Tot_Rms: 51.131 ps || Nat: 81 Dura: 86160.0 sec Tzd_avg: 7415.8 Tzd_rms: 18.3 Wzd_avg: 337.3 Wzd_rms: 31.9 ps Prs_avg: 93896. Pa Tem_avg: 16.6 C Stm_avg: 1.4 C Stm_rms: 2.9 K Spr_avg: 482. Spr_rms: 50. Pa 425. WETTZELL NG 1984.05.18-17:45:12.936 -0.016 mm 0.421 mm 0.417 mm 426. WETTZELL EG 1984.05.18-17:45:12.936 -0.015 mm 0.422 mm 0.418 mm 427. WETTZELL NG 1984.05.19-01:45:12.936 0.009 mm 0.377 mm 0.373 mm 428. WETTZELL EG 1984.05.19-01:45:12.936 0.017 mm 0.377 mm 0.373 mm 429. WETTZELL NG 1984.05.19-09:45:12.936 0.014 mm 0.376 mm 0.373 mm 430. WETTZELL EG 1984.05.19-09:45:12.936 -0.020 mm 0.376 mm 0.373 mm 431. WETTZELL NG 1984.05.19-17:45:12.936 -0.004 mm 0.422 mm 0.418 mm 432. WETTZELL EG 1984.05.19-17:45:12.936 -0.013 mm 0.422 mm 0.418 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.42 ps/h NRMS 0.23 share 0.93 count 76 2. ONSALA60 Input 50.00 ps/h RMS 16.80 ps/h NRMS 0.34 share 0.84 count 76 4. WESTFORD Input 50.00 ps/h RMS 29.24 ps/h NRMS 0.58 share 0.81 count 76 5. WETTZELL Input 50.00 ps/h RMS 17.32 ps/h NRMS 0.35 share 0.86 count 76 Overall RMS 19.80 ps/h NRMS 0.40 share 0.86 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.53 count 8 4. WESTFORD Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 5. WETTZELL Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.53 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.53 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.07 D-14 NRMS 0.81 share 0.32 count 26 2. ONSALA60 Input 5.00 D-14 RMS 4.49 D-14 NRMS 0.90 share 0.33 count 26 5. WETTZELL Input 5.00 D-14 RMS 9.41 D-14 NRMS 1.88 share 0.29 count 26 Overall RMS 6.46 D-14 NRMS 1.29 share 0.31 count 78 433. UT1-TAI 1, 1984.05.19-05:50:00.000 -1.1030 ms/d 26.34 micros/d 52.42 micros/d 51.96 micros/d EOP epoch (TDT) MJD: 45839.243428 NUT epoch (TDT) MJD: 45839.207457 434. Nutation DPSI wrt apriori model 1984.05.19-05:49:53.256 -0.210 mas 954.1 microasec 945.8 microasec Nutation Dx wrt apriori model 1984.05.19-05:49:53.256 -0.083 mas 378.1 microasec 374.8 microasec Nutation DPSI wrt Wahr 1980 model 1984.05.19-05:49:53.256 4.461 mas 954.1 microasec 945.8 microasec 435. Nutation DEPS wrt apriori model 1984.05.19-05:49:53.256 -0.177 mas 410.4 microasec 406.8 microasec Nutation Dy wrt apriori model 1984.05.19-05:49:53.256 -0.177 mas 411.7 microasec 408.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.05.19-05:49:53.256 -0.525 mas 410.4 microasec 406.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0598 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.05.19 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732344.92 36.05 7940732344.92 36.05 146.70 7.61 338.12 50.14 HRAS_085 7216 to WESTFORD 7209 3134928058.31 13.70 3134928058.31 13.70 86.78 6.16 381.07 52.17 HRAS_085 7216 to WETTZELL 7224 8417561606.79 37.74 8417561606.79 37.74 201.77 7.04 294.02 48.27 ONSALA60 7213 to WESTFORD 7209 5600741469.24 14.10 5600741469.24 14.10 21.28 5.86 -49.24 34.81 ONSALA60 7213 to WETTZELL 7224 919661001.21 3.80 919661001.21 3.80 34.98 4.47 -26.97 22.15 WESTFORD 7209 to WETTZELL 7224 5998325345.45 15.09 5998325345.45 15.09 84.39 5.28 18.33 33.28 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK ONSALA60 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:19 Correlator type: Unknown Experiment code: xat843 Mark-3 db_name: $84MAY19X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840519_a Ver 2 xat843 Matrix Condition Number = 6.303917422112831E+04 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | ONSALA60: GION | | ONSALA85: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for ONSALA60 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 15.9 4.0 994.5 2.7 23.6 1.1 ONSALA60 MET 15.6 4.9 1004.7 0.6 83.3 47.1 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 Run 26091-1745 398 Observation Pairs Available Session started on: 2445840.280300 1984.05.19 18:43:37.920 UTC Nominal duration: 88801.920 sec 01 00:40:01.920 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 190 62.715 ps 0.85 1.0161 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 190 Number of potentially good observations with QC 5-9: 190 Number of used observations: 190 (100.00%) Number of suppressed observations: 0 ( 0.00%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK ONSALA60 190 190 62.715 0.85 19840519_a xat843 1984.05.20-07:03:38.8 BAS_STAT ONSALA60-ONSALA85 No Data Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19840519_a xat843 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 17 70.799 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 0212+735 J0217+7349 29 29 58 93.346 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 0528+134 J0530+1331 9 9 19 53.062 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 0552+398 J0555+3948 21 21 46 27.826 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 2216-038 J2218-0335 9 9 18 40.999 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 3C273B J1229+0203 11 11 22 51.697 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 3C345 J1642+3948 23 23 48 58.076 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 3C454.3 J2253+1608 12 12 25 60.010 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: 4C39.25 J0927+3902 21 21 43 59.351 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: OJ287 J0854+2006 14 14 30 39.988 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: OQ208 J1407+2827 14 14 30 97.378 19840519_a xat843 1984.05.20-07:03:38.880 SRC_STAT: VR422201 J2202+4216 19 19 42 115.305 19840519_a xat843 1984.05.20-07:03:38.880 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.05.20-07:03:06 1. HAYSTACK 7205 NOAM X Comp 1492404732.45 mm 36.449 mm 7.995 mm 8.059 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266409.38 mm 125.624 mm 7.806 mm 7.869 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881828.45 mm 34.446 mm 13.242 mm 13.348 mm HAYSTACK 7205 U Comp -55.81 mm -55.813 mm 14.938 mm 12.724 mm HAYSTACK 7205 E Comp 74.45 mm 74.449 mm 6.563 mm 5.591 mm HAYSTACK 7205 N Comp 98.18 mm 98.177 mm 5.829 mm 4.965 mm 4. HAYSTACK AT 0 1984.05.19-18:43:05.736 71.865 ps 38.405 ps 38.714 ps HAYSTACK Atm 1984.05.20-07:13:37.920 Avg: 11.028 ps Rms: 27.112 ps Tot_Rms: 29.269 ps || Nat: 201 Dura: 88800.0 sec Tzd_avg: 7933.9 Tzd_rms: 32.2 Wzd_avg: 441.5 Wzd_rms: 51.4 ps Prs_avg: 99447. Pa Tem_avg: 15.9 C Stm_avg: 0.6 C Stm_rms: 1.7 K Spr_avg: 577. Spr_rms: 94. Pa 80. HAYSTACK NG 1984.05.19-18:42:05.736 -0.010 mm 0.422 mm 0.426 mm 81. HAYSTACK EG 1984.05.19-18:42:05.736 0.011 mm 0.422 mm 0.426 mm 82. HAYSTACK NG 1984.05.20-02:42:05.736 -0.012 mm 0.377 mm 0.380 mm 83. HAYSTACK EG 1984.05.20-02:42:05.736 0.028 mm 0.377 mm 0.380 mm 84. HAYSTACK NG 1984.05.20-10:42:05.736 -0.015 mm 0.377 mm 0.380 mm 85. HAYSTACK EG 1984.05.20-10:42:05.736 -0.014 mm 0.377 mm 0.380 mm 86. HAYSTACK NG 1984.05.20-18:42:05.736 -0.014 mm 0.422 mm 0.426 mm 87. HAYSTACK EG 1984.05.20-18:42:05.736 -0.029 mm 0.422 mm 0.426 mm 88. ONSALA60 7213 EURA X Comp 3370605952.55 mm -36.449 mm 7.995 mm 8.059 mm 89. ONSALA60 7213 EURA Y Comp 711917403.38 mm -125.624 mm 7.806 mm 7.869 mm 90. ONSALA60 7213 EURA Z Comp 5349830731.55 mm -34.446 mm 13.242 mm 13.348 mm ONSALA60 7213 U Comp -62.22 mm -62.222 mm 14.596 mm 12.433 mm ONSALA60 7213 E Comp -115.38 mm -115.380 mm 8.652 mm 7.370 mm ONSALA60 7213 N Comp 33.35 mm 33.352 mm 3.506 mm 2.986 mm 91. ONSALA60 CL 0 1984.05.19-18:43:05.736 -14134.458 ns 0.161 ns 0.162 ns 92. ONSALA60 CL 1 1984.05.19-18:43:05.736 -4.375 D-14 2.073 D-14 2.089 D-14 93. ONSALA60 CL 2 1984.05.19-18:43:05.736 -1.549 D-14/day 1.742 D-14/day 1.756 D-14/day 119. ONSALA60 AT 0 1984.05.19-18:43:05.736 -10.974 ps 26.469 ps 26.682 ps ONSALA60 Atm 1984.05.20-07:13:37.920 Avg: -35.210 ps Rms: 16.972 ps Tot_Rms: 39.087 ps || Nat: 200 Dura: 88800.0 sec Tzd_avg: 8026.7 Tzd_rms: 22.0 Wzd_avg: 438.1 Wzd_rms: 24.0 ps Prs_avg: 100471. Pa Tem_avg: 15.6 C Stm_avg: 0.2 C Stm_rms: 1.9 K Spr_avg: 199. Spr_rms: 29. Pa 195. ONSALA60 NG 1984.05.19-18:42:05.736 -0.012 mm 0.422 mm 0.426 mm 196. ONSALA60 EG 1984.05.19-18:42:05.736 -0.013 mm 0.422 mm 0.426 mm 197. ONSALA60 NG 1984.05.20-02:42:05.736 0.006 mm 0.376 mm 0.379 mm 198. ONSALA60 EG 1984.05.20-02:42:05.736 -0.004 mm 0.377 mm 0.380 mm 199. ONSALA60 NG 1984.05.20-10:42:05.736 -0.021 mm 0.376 mm 0.379 mm 200. ONSALA60 EG 1984.05.20-10:42:05.736 -0.011 mm 0.377 mm 0.380 mm 201. ONSALA60 NG 1984.05.20-18:42:05.736 -0.016 mm 0.422 mm 0.426 mm 202. ONSALA60 EG 1984.05.20-18:42:05.736 -0.003 mm 0.422 mm 0.426 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 16.42 ps/h NRMS 0.33 share 0.85 count 76 2. ONSALA60 Input 50.00 ps/h RMS 15.27 ps/h NRMS 0.31 share 0.79 count 76 Overall RMS 15.86 ps/h NRMS 0.32 share 0.82 count 152 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 2.09 D-14 NRMS 0.42 share 0.27 count 26 Overall RMS 2.09 D-14 NRMS 0.42 share 0.27 count 26 203. UT1-TAI 1, 1984.05.20-07:03:00.000 -1.1346 ms/d 23.21 micros/d 62.34 micros/d 62.84 micros/d EOP epoch (TDT) MJD: 45840.294123 NUT epoch (TDT) MJD: 45840.286914 204. Nutation DPSI wrt apriori model 1984.05.20-07:03:06.696 1.402 mas 1380.4 microasec 1391.5 microasec Nutation Dx wrt apriori model 1984.05.20-07:03:06.696 0.560 mas 547.6 microasec 552.0 microasec Nutation DPSI wrt Wahr 1980 model 1984.05.20-07:03:06.696 6.024 mas 1380.4 microasec 1391.5 microasec 205. Nutation DEPS wrt apriori model 1984.05.20-07:03:06.696 -0.600 mas 443.3 microasec 446.9 microasec Nutation Dy wrt apriori model 1984.05.20-07:03:06.696 -0.598 mas 445.2 microasec 448.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.05.20-07:03:06.696 -1.046 mas 443.3 microasec 446.9 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1005 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.05.20 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to ONSALA60 7213 5599714502.17 11.29 5599714502.17 11.29 24.36 4.85 7.12 32.40 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:23 Correlator type: Unknown Experiment code: ia180 Mark-3 db_name: $84MAY23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840523_a Ver 2 ia180 Matrix Condition Number = 5.501640036794910E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.7 2.8 843.6 1.1 69.7 4.5 WESTFORD MET 18.0 4.7 998.2 3.1 16.8 1.4 WETTZELL MET 8.3 0.5 935.8 0.6 95.9 0.5 Run 26091-1745 223 Observation Pairs Available Session started on: 2445844.249800 1984.05.23 17:59:42.720 UTC Nominal duration: 86158.080 sec 00 23:55:58.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 198 47.360 ps 0.90 1.3417 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 206 Number of potentially good observations with QC 5-9: 206 Number of used observations: 198 ( 96.12%) Number of suppressed observations: 8 ( 3.88%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 73 77 43.081 0.92 19840523_a ia180 1984.05.24-05:57:41.7 BAS_STAT HRAS_085 WETTZELL 44 45 46.173 0.84 19840523_a ia180 1984.05.24-05:57:41.7 BAS_STAT WESTFORD WETTZELL 81 84 53.372 0.92 19840523_a ia180 1984.05.24-05:57:41.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 4 5 5 72.524 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 0212+735 J0217+7349 22 22 23 73.154 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 0229+131 J0231+1322 10 10 11 33.599 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 0528+134 J0530+1331 15 15 15 54.038 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 0552+398 J0555+3948 23 23 23 42.306 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 1803+784 J1800+7828 23 23 25 61.623 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 2134+00 J2136+0041 7 7 8 50.675 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 3C273B J1229+0203 8 9 10 38.065 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 3C345 J1642+3948 19 20 21 34.703 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 3C454.3 J2253+1608 8 9 9 52.212 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: 4C39.25 J0927+3902 15 15 19 49.382 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: OJ287 J0854+2006 15 18 18 32.863 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: OQ208 J1407+2827 14 15 15 53.173 19840523_a ia180 1984.05.24-05:57:41.760 SRC_STAT: VR422201 J2202+4216 15 15 21 69.683 19840523_a ia180 1984.05.24-05:57:41.760 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.05.24-05:57:09 1. HRAS_085 7216 NOAM X Comp -1324211082.40 mm -65.403 mm 10.425 mm 12.076 mm 2. HRAS_085 7216 NOAM Y Comp -5332023068.02 mm 13.981 mm 29.002 mm 33.593 mm 3. HRAS_085 7216 NOAM Z Comp 3232118461.76 mm 154.755 mm 20.415 mm 23.647 mm HRAS_085 7216 U Comp 80.75 mm 80.751 mm 35.076 mm 31.617 mm HRAS_085 7216 E Comp -66.84 mm -66.844 mm 7.411 mm 6.680 mm HRAS_085 7216 N Comp 132.04 mm 132.035 mm 9.017 mm 8.128 mm 4. HRAS_085 CL 0 1984.05.23-17:59:10.536 4620.498 ns 0.263 ns 0.305 ns 5. HRAS_085 CL 1 1984.05.23-17:59:10.536 84.530 D-14 2.089 D-14 2.420 D-14 6. HRAS_085 CL 2 1984.05.23-17:59:10.536 4.206 D-14/day 1.818 D-14/day 2.105 D-14/day 31. HRAS_085 AT 0 1984.05.23-17:59:10.536 -46.018 ps 94.720 ps 109.716 ps HRAS_085 Atm 1984.05.24-05:59:42.720 Avg: -24.488 ps Rms: 21.303 ps Tot_Rms: 32.458 ps || Nat: 86 Dura: 86160.0 sec Tzd_avg: 6771.7 Tzd_rms: 33.6 Wzd_avg: 371.8 Wzd_rms: 24.9 ps Prs_avg: 84362. Pa Tem_avg: 18.7 C Stm_avg: -1.4 C Stm_rms: 0.9 K Spr_avg: 38. Spr_rms: 66. Pa 104. HRAS_085 NG 1984.05.23-17:58:10.536 -0.054 mm 0.422 mm 0.489 mm 105. HRAS_085 EG 1984.05.23-17:58:10.536 -0.001 mm 0.422 mm 0.489 mm 106. HRAS_085 NG 1984.05.24-01:58:10.536 -0.019 mm 0.377 mm 0.436 mm 107. HRAS_085 EG 1984.05.24-01:58:10.536 -0.016 mm 0.377 mm 0.436 mm 108. HRAS_085 NG 1984.05.24-09:58:10.536 0.028 mm 0.377 mm 0.437 mm 109. HRAS_085 EG 1984.05.24-09:58:10.536 0.001 mm 0.377 mm 0.436 mm 110. HRAS_085 NG 1984.05.24-17:58:10.536 0.031 mm 0.422 mm 0.489 mm 111. HRAS_085 EG 1984.05.24-17:58:10.536 0.017 mm 0.422 mm 0.489 mm 112. WESTFORD 7209 NOAM X Comp 1492206575.09 mm 32.095 mm 7.644 mm 8.854 mm 113. WESTFORD 7209 NOAM Y Comp -4458130397.48 mm 124.520 mm 16.293 mm 18.873 mm 114. WESTFORD 7209 NOAM Z Comp 4296015534.83 mm -12.172 mm 15.090 mm 17.479 mm WESTFORD 7209 U Comp -87.64 mm -87.645 mm 20.842 mm 18.787 mm WESTFORD 7209 E Comp 69.96 mm 69.958 mm 9.418 mm 8.490 mm WESTFORD 7209 N Comp 64.09 mm 64.091 mm 5.340 mm 4.813 mm 115. WESTFORD AT 0 1984.05.23-17:59:10.536 -18.882 ps 47.648 ps 55.191 ps WESTFORD Atm 1984.05.24-05:59:42.720 Avg: -50.661 ps Rms: 29.320 ps Tot_Rms: 58.534 ps || Nat: 132 Dura: 86160.0 sec Tzd_avg: 8087.0 Tzd_rms: 185.0 Wzd_avg: 541.2 Wzd_rms: 210.8 ps Prs_avg: 99826. Pa Tem_avg: 18.0 C Stm_avg: 0.4 C Stm_rms: 1.1 K Spr_avg: 205. Spr_rms: 72. Pa 188. WESTFORD NG 1984.05.23-17:58:10.536 0.039 mm 0.422 mm 0.489 mm 189. WESTFORD EG 1984.05.23-17:58:10.536 0.017 mm 0.422 mm 0.488 mm 190. WESTFORD NG 1984.05.24-01:58:10.536 0.005 mm 0.377 mm 0.436 mm 191. WESTFORD EG 1984.05.24-01:58:10.536 0.052 mm 0.376 mm 0.436 mm 192. WESTFORD NG 1984.05.24-09:58:10.536 -0.037 mm 0.377 mm 0.436 mm 193. WESTFORD EG 1984.05.24-09:58:10.536 0.011 mm 0.376 mm 0.436 mm 194. WESTFORD NG 1984.05.24-17:58:10.536 -0.018 mm 0.422 mm 0.489 mm 195. WESTFORD EG 1984.05.24-17:58:10.536 -0.026 mm 0.421 mm 0.488 mm 196. WETTZELL 7224 EURA X Comp 4075539874.31 mm 33.308 mm 13.480 mm 15.614 mm 197. WETTZELL 7224 EURA Y Comp 931735175.50 mm -138.501 mm 16.508 mm 19.121 mm 198. WETTZELL 7224 EURA Z Comp 4801629250.42 mm -142.584 mm 18.946 mm 21.945 mm WETTZELL 7224 U Comp -106.80 mm -106.797 mm 20.370 mm 18.362 mm WETTZELL 7224 E Comp -142.44 mm -142.441 mm 15.597 mm 14.059 mm WETTZELL 7224 N Comp -94.48 mm -94.483 mm 12.447 mm 11.220 mm 199. WETTZELL CL 0 1984.05.23-17:59:10.536 -83.124 ns 0.190 ns 0.220 ns 200. WETTZELL CL 1 1984.05.23-17:59:10.536 -48.860 D-14 2.165 D-14 2.508 D-14 201. WETTZELL CL 2 1984.05.23-17:59:10.536 1.854 D-14/day 1.878 D-14/day 2.175 D-14/day 226. WETTZELL AT 0 1984.05.23-17:59:10.536 -35.581 ps 50.950 ps 59.016 ps WETTZELL Atm 1984.05.24-05:59:42.720 Avg: -0.655 ps Rms: 17.459 ps Tot_Rms: 17.471 ps || Nat: 95 Dura: 84300.0 sec Tzd_avg: 7403.0 Tzd_rms: 6.2 Wzd_avg: 355.0 Wzd_rms: 3.3 ps Prs_avg: 93577. Pa Tem_avg: 8.3 C Stm_avg: -0.2 C Stm_rms: 0.8 K Spr_avg: 560. Spr_rms: 37. Pa 299. WETTZELL NG 1984.05.23-17:58:10.536 0.006 mm 0.422 mm 0.489 mm 300. WETTZELL EG 1984.05.23-17:58:10.536 -0.012 mm 0.422 mm 0.489 mm 301. WETTZELL NG 1984.05.24-01:58:10.536 0.013 mm 0.377 mm 0.436 mm 302. WETTZELL EG 1984.05.24-01:58:10.536 -0.010 mm 0.377 mm 0.437 mm 303. WETTZELL NG 1984.05.24-09:58:10.536 0.000 mm 0.377 mm 0.437 mm 304. WETTZELL EG 1984.05.24-09:58:10.536 0.011 mm 0.377 mm 0.437 mm 305. WETTZELL NG 1984.05.24-17:58:10.536 -0.013 mm 0.422 mm 0.489 mm 306. WETTZELL EG 1984.05.24-17:58:10.536 0.016 mm 0.422 mm 0.489 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.41 ps/h NRMS 0.23 share 0.91 count 73 2. WESTFORD Input 50.00 ps/h RMS 17.62 ps/h NRMS 0.35 share 0.83 count 73 3. WETTZELL Input 50.00 ps/h RMS 13.71 ps/h NRMS 0.27 share 0.86 count 73 Overall RMS 14.48 ps/h NRMS 0.29 share 0.87 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.90 D-14 NRMS 0.58 share 0.26 count 25 3. WETTZELL Input 5.00 D-14 RMS 2.12 D-14 NRMS 0.42 share 0.31 count 25 Overall RMS 2.54 D-14 NRMS 0.51 share 0.28 count 50 307. UT1-TAI 1, 1984.05.24-05:57:00.000 -1.6418 ms/d -103.58 micros/d 55.18 micros/d 63.92 micros/d EOP epoch (TDT) MJD: 45844.248289 NUT epoch (TDT) MJD: 45844.246925 308. Nutation DPSI wrt apriori model 1984.05.24-05:57:09.576 0.053 mas 869.0 microasec 1006.5 microasec Nutation Dx wrt apriori model 1984.05.24-05:57:09.576 0.023 mas 344.2 microasec 398.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.05.24-05:57:09.576 4.929 mas 869.0 microasec 1006.5 microasec 309. Nutation DEPS wrt apriori model 1984.05.24-05:57:09.576 -0.369 mas 433.3 microasec 501.9 microasec Nutation Dy wrt apriori model 1984.05.24-05:57:09.576 -0.369 mas 434.5 microasec 503.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.05.24-05:57:09.576 -0.761 mas 433.3 microasec 501.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5203 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.05.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928037.96 13.95 3134928037.96 13.95 102.28 6.06 187.92 52.84 HRAS_085 7216 to WETTZELL 7224 8417561514.09 39.28 8417561514.09 39.28 295.56 6.84 151.34 47.10 WESTFORD 7209 to WETTZELL 7224 5998325354.55 14.87 5998325354.55 14.87 157.37 5.20 22.53 33.39 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:26 Correlator type: Unknown Experiment code: ia181 Mark-3 db_name: $84MAY28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840528_a Ver 2 ia181 Matrix Condition Number = 3.715584400856901E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.0 2.1 848.2 1.3 86.1 16.1 RICHMOND MET 21.3 1.5 1015.6 1.5 78.3 7.0 WESTFORD MET 10.5 0.6 1010.7 3.0 66.3 20.6 WETTZELL MET 8.2 1.3 940.7 0.3 89.1 12.2 Run 26091-1745 431 Observation Pairs Available Session started on: 2445849.245600 1984.05.28 17:53:39.840 UTC Nominal duration: 90901.440 sec 01 01:15:01.440 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 360 77.609 ps 0.85 1.0074 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 370 Number of potentially good observations with QC 5-9: 370 Number of used observations: 360 ( 97.30%) Number of suppressed observations: 10 ( 2.70%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 59 63 67.284 0.82 19840528_a ia181 1984.05.29-06:31:10.5 BAS_STAT HRAS_085 WESTFORD 78 79 72.635 0.86 19840528_a ia181 1984.05.29-06:31:10.5 BAS_STAT HRAS_085 WETTZELL 49 49 57.857 0.78 19840528_a ia181 1984.05.29-06:31:10.5 BAS_STAT RICHMOND WESTFORD 57 59 101.995 0.90 19840528_a ia181 1984.05.29-06:31:10.5 BAS_STAT RICHMOND WETTZELL 33 34 122.209 0.92 19840528_a ia181 1984.05.29-06:31:10.5 BAS_STAT WESTFORD WETTZELL 84 86 84.171 0.86 19840528_a ia181 1984.05.29-06:31:10.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 19 20 20 94.727 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 0212+735 J0217+7349 29 30 44 72.960 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 0229+131 J0231+1322 17 20 22 58.260 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 0528+134 J0530+1331 30 31 32 107.492 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 0552+398 J0555+3948 41 41 43 58.250 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 1803+784 J1800+7828 21 21 24 84.042 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 2134+00 J2136+0041 17 17 19 65.059 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 3C273B J1229+0203 23 23 26 78.678 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 3C345 J1642+3948 32 32 36 57.288 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 3C454.3 J2253+1608 20 22 22 79.546 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: 4C39.25 J0927+3902 26 27 36 83.686 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: OJ287 J0854+2006 39 39 39 72.593 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: OQ208 J1407+2827 24 24 32 111.216 19840528_a ia181 1984.05.29-06:31:10.560 SRC_STAT: VR422201 J2202+4216 22 23 36 96.914 19840528_a ia181 1984.05.29-06:31:10.560 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.05.29-06:30:38 1. HRAS_085 7216 NOAM X Comp -1324211071.45 mm -54.447 mm 12.250 mm 12.295 mm 2. HRAS_085 7216 NOAM Y Comp -5332023071.26 mm 10.739 mm 38.189 mm 38.330 mm 3. HRAS_085 7216 NOAM Z Comp 3232118436.50 mm 129.500 mm 24.424 mm 24.515 mm HRAS_085 7216 U Comp 68.32 mm 68.317 mm 45.059 mm 38.487 mm HRAS_085 7216 E Comp -55.43 mm -55.430 mm 9.229 mm 7.882 mm HRAS_085 7216 N Comp 110.05 mm 110.048 mm 9.461 mm 8.081 mm 4. HRAS_085 CL 0 1984.05.28-17:53:07.656 4982.826 ns 0.302 ns 0.303 ns 5. HRAS_085 CL 1 1984.05.28-17:53:07.656 77.291 D-14 2.042 D-14 2.049 D-14 6. HRAS_085 CL 2 1984.05.28-17:53:07.656 -0.418 D-14/day 1.669 D-14/day 1.675 D-14/day 33. HRAS_085 AT 0 1984.05.28-17:53:07.656 -46.764 ps 102.178 ps 102.557 ps HRAS_085 Atm 1984.05.29-06:53:39.840 Avg: -67.294 ps Rms: 17.954 ps Tot_Rms: 69.648 ps || Nat: 99 Dura: 90900.0 sec Tzd_avg: 6880.9 Tzd_rms: 24.8 Wzd_avg: 448.4 Wzd_rms: 31.7 ps Prs_avg: 84821. Pa Tem_avg: 13.9 C Stm_avg: -2.5 C Stm_rms: 1.4 K Spr_avg: 35. Spr_rms: 47. Pa 112. HRAS_085 NG 1984.05.28-17:52:07.656 0.001 mm 0.422 mm 0.424 mm 113. HRAS_085 EG 1984.05.28-17:52:07.656 0.024 mm 0.422 mm 0.424 mm 114. HRAS_085 NG 1984.05.29-01:52:07.656 -0.011 mm 0.377 mm 0.378 mm 115. HRAS_085 EG 1984.05.29-01:52:07.656 0.028 mm 0.377 mm 0.378 mm 116. HRAS_085 NG 1984.05.29-09:52:07.656 0.008 mm 0.377 mm 0.378 mm 117. HRAS_085 EG 1984.05.29-09:52:07.656 -0.025 mm 0.377 mm 0.378 mm 118. HRAS_085 NG 1984.05.29-17:52:07.656 0.020 mm 0.422 mm 0.424 mm 119. HRAS_085 EG 1984.05.29-17:52:07.656 -0.014 mm 0.422 mm 0.424 mm 120. RICHMOND 7219 NOAM X Comp 961257973.99 mm -45.007 mm 10.115 mm 10.153 mm 121. RICHMOND 7219 NOAM Y Comp -5674090001.55 mm 48.450 mm 38.599 mm 38.742 mm 122. RICHMOND 7219 NOAM Z Comp 2740533836.61 mm 38.607 mm 22.729 mm 22.813 mm RICHMOND 7219 U Comp -33.16 mm -33.164 mm 43.970 mm 37.556 mm RICHMOND 7219 E Comp -36.28 mm -36.282 mm 8.535 mm 7.290 mm RICHMOND 7219 N Comp 58.71 mm 58.713 mm 10.131 mm 8.653 mm 123. RICHMOND CL 0 1984.05.28-17:53:07.656 6938.919 ns 0.365 ns 0.366 ns 124. RICHMOND CL 1 1984.05.28-17:53:07.656 273.857 D-14 2.264 D-14 2.273 D-14 125. RICHMOND CL 2 1984.05.28-17:53:07.656 -5.606 D-14/day 1.810 D-14/day 1.816 D-14/day 152. RICHMOND AT 0 1984.05.28-17:53:07.656 -91.892 ps 101.892 ps 102.269 ps RICHMOND Atm 1984.05.29-06:53:39.840 Avg: -41.862 ps Rms: 31.541 ps Tot_Rms: 52.414 ps || Nat: 83 Dura: 85120.0 sec Tzd_avg: 8837.6 Tzd_rms: 15.8 Wzd_avg: 1157.7 Wzd_rms: 19.6 ps Prs_avg: 101563. Pa Tem_avg: 21.3 C Stm_avg: -4.1 C Stm_rms: 1.3 K Spr_avg: 39. Spr_rms: 88. Pa 231. RICHMOND NG 1984.05.28-17:52:07.656 0.006 mm 0.422 mm 0.424 mm 232. RICHMOND EG 1984.05.28-17:52:07.656 -0.048 mm 0.422 mm 0.424 mm 233. RICHMOND NG 1984.05.29-01:52:07.656 0.029 mm 0.377 mm 0.378 mm 234. RICHMOND EG 1984.05.29-01:52:07.656 -0.029 mm 0.377 mm 0.378 mm 235. RICHMOND NG 1984.05.29-09:52:07.656 -0.010 mm 0.377 mm 0.378 mm 236. RICHMOND EG 1984.05.29-09:52:07.656 0.028 mm 0.377 mm 0.378 mm 237. RICHMOND NG 1984.05.29-17:52:07.656 -0.034 mm 0.422 mm 0.424 mm 238. RICHMOND EG 1984.05.29-17:52:07.656 0.045 mm 0.422 mm 0.423 mm 239. WESTFORD 7209 NOAM X Comp 1492206600.01 mm 57.012 mm 8.429 mm 8.460 mm 240. WESTFORD 7209 NOAM Y Comp -4458130426.27 mm 95.729 mm 20.434 mm 20.510 mm 241. WESTFORD 7209 NOAM Z Comp 4296015539.09 mm -7.913 mm 17.444 mm 17.508 mm WESTFORD 7209 U Comp -58.85 mm -58.848 mm 25.669 mm 21.925 mm WESTFORD 7209 E Comp 84.45 mm 84.449 mm 9.053 mm 7.733 mm WESTFORD 7209 N Comp 43.39 mm 43.385 mm 7.212 mm 6.160 mm 242. WESTFORD AT 0 1984.05.28-17:53:07.656 -58.261 ps 37.993 ps 38.134 ps WESTFORD Atm 1984.05.29-06:53:39.840 Avg: -58.119 ps Rms: 29.473 ps Tot_Rms: 65.165 ps || Nat: 142 Dura: 90900.0 sec Tzd_avg: 8439.3 Tzd_rms: 37.2 Wzd_avg: 806.9 Wzd_rms: 59.7 ps Prs_avg: 101090. Pa Tem_avg: 10.5 C Stm_avg: -1.4 C Stm_rms: 2.0 K Spr_avg: 216. Spr_rms: 28. Pa 321. WESTFORD NG 1984.05.28-17:52:07.656 -0.015 mm 0.422 mm 0.423 mm 322. WESTFORD EG 1984.05.28-17:52:07.656 0.031 mm 0.421 mm 0.423 mm 323. WESTFORD NG 1984.05.29-01:52:07.656 -0.004 mm 0.377 mm 0.378 mm 324. WESTFORD EG 1984.05.29-01:52:07.656 0.035 mm 0.376 mm 0.378 mm 325. WESTFORD NG 1984.05.29-09:52:07.656 0.009 mm 0.377 mm 0.378 mm 326. WESTFORD EG 1984.05.29-09:52:07.656 0.012 mm 0.376 mm 0.378 mm 327. WESTFORD NG 1984.05.29-17:52:07.656 0.000 mm 0.422 mm 0.424 mm 328. WESTFORD EG 1984.05.29-17:52:07.656 -0.023 mm 0.422 mm 0.423 mm 329. WETTZELL 7224 EURA X Comp 4075539883.44 mm 42.442 mm 19.281 mm 19.353 mm 330. WETTZELL 7224 EURA Y Comp 931735159.08 mm -154.918 mm 19.904 mm 19.978 mm 331. WETTZELL 7224 EURA Z Comp 4801629232.81 mm -160.194 mm 25.331 mm 25.425 mm WETTZELL 7224 U Comp -116.69 mm -116.686 mm 29.379 mm 25.093 mm WETTZELL 7224 E Comp -160.48 mm -160.480 mm 19.695 mm 16.823 mm WETTZELL 7224 N Comp -109.97 mm -109.970 mm 12.593 mm 10.756 mm 332. WETTZELL CL 0 1984.05.28-17:53:07.656 -141.327 ns 0.200 ns 0.201 ns 333. WETTZELL CL 1 1984.05.28-17:53:07.656 -76.793 D-14 2.093 D-14 2.100 D-14 334. WETTZELL CL 2 1984.05.28-17:53:07.656 -3.904 D-14/day 1.739 D-14/day 1.746 D-14/day 361. WETTZELL AT 0 1984.05.28-17:53:07.656 26.410 ps 53.396 ps 53.593 ps WETTZELL Atm 1984.05.29-06:53:39.840 Avg: 33.705 ps Rms: 11.911 ps Tot_Rms: 35.748 ps || Nat: 96 Dura: 89420.0 sec Tzd_avg: 7391.4 Tzd_rms: 23.9 Wzd_avg: 302.2 Wzd_rms: 24.7 ps Prs_avg: 94068. Pa Tem_avg: 8.1 C Stm_avg: 0.0 C Stm_rms: 0.5 K Spr_avg: 531. Spr_rms: 38. Pa 440. WETTZELL NG 1984.05.28-17:52:07.656 0.005 mm 0.422 mm 0.424 mm 441. WETTZELL EG 1984.05.28-17:52:07.656 0.015 mm 0.422 mm 0.424 mm 442. WETTZELL NG 1984.05.29-01:52:07.656 -0.000 mm 0.377 mm 0.378 mm 443. WETTZELL EG 1984.05.29-01:52:07.656 0.002 mm 0.377 mm 0.378 mm 444. WETTZELL NG 1984.05.29-09:52:07.656 0.000 mm 0.377 mm 0.378 mm 445. WETTZELL EG 1984.05.29-09:52:07.656 -0.008 mm 0.377 mm 0.378 mm 446. WETTZELL NG 1984.05.29-17:52:07.656 0.005 mm 0.422 mm 0.424 mm 447. WETTZELL EG 1984.05.29-17:52:07.656 0.007 mm 0.422 mm 0.424 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.10 ps/h NRMS 0.24 share 0.92 count 79 2. RICHMOND Input 50.00 ps/h RMS 10.51 ps/h NRMS 0.21 share 0.94 count 79 3. WESTFORD Input 50.00 ps/h RMS 13.42 ps/h NRMS 0.27 share 0.86 count 79 4. WETTZELL Input 50.00 ps/h RMS 10.50 ps/h NRMS 0.21 share 0.89 count 79 Overall RMS 11.70 ps/h NRMS 0.23 share 0.90 count 316 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.63 D-14 NRMS 0.33 share 0.32 count 27 2. RICHMOND Input 5.00 D-14 RMS 2.10 D-14 NRMS 0.42 share 0.42 count 27 4. WETTZELL Input 5.00 D-14 RMS 2.26 D-14 NRMS 0.45 share 0.38 count 27 Overall RMS 2.01 D-14 NRMS 0.40 share 0.38 count 81 448. UT1-TAI 1, 1984.05.29-06:31:00.000 -1.3495 ms/d 9.52 micros/d 53.73 micros/d 53.93 micros/d EOP epoch (TDT) MJD: 45849.271900 NUT epoch (TDT) MJD: 45849.268258 449. Nutation DPSI wrt apriori model 1984.05.29-06:30:38.376 -1.428 mas 1026.0 microasec 1029.8 microasec Nutation Dx wrt apriori model 1984.05.29-06:30:38.376 -0.569 mas 406.7 microasec 408.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.05.29-06:30:38.376 1.732 mas 1026.0 microasec 1029.8 microasec 450. Nutation DEPS wrt apriori model 1984.05.29-06:30:38.376 0.108 mas 422.8 microasec 424.3 microasec Nutation Dy wrt apriori model 1984.05.29-06:30:38.376 0.106 mas 424.2 microasec 425.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.05.29-06:30:38.376 0.204 mas 422.8 microasec 424.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0812 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.05.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632845.22 15.62 2362632845.22 15.62 58.09 10.64 76.74 78.35 HRAS_085 7216 to WESTFORD 7209 3134928053.40 16.52 3134928053.40 16.52 101.15 7.33 149.46 59.48 HRAS_085 7216 to WETTZELL 7224 8417561504.54 45.69 8417561504.54 45.69 296.76 8.38 139.39 53.08 RICHMOND 7219 to WESTFORD 7209 2044501763.01 13.71 2044501763.01 13.71 111.75 7.62 44.16 57.48 RICHMOND 7219 to WETTZELL 7224 7588398519.89 37.69 7588398519.89 37.69 224.40 10.38 9.47 58.11 WESTFORD 7209 to WETTZELL 7224 5998325357.02 20.83 5998325357.02 20.83 154.36 6.70 51.95 42.37 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:29 Correlator type: Unknown Experiment code: ia182 Mark-3 db_name: $84JUN02X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840602_a Ver 2 ia182 Matrix Condition Number = 3.274914314129344E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.7 2.0 840.5 1.3 69.9 4.2 RICHMOND MET 21.1 4.9 1017.0 0.6 37.5 1.2 WESTFORD MET 11.9 2.8 994.7 2.7 97.4 49.0 WETTZELL MET 21.0 4.3 943.0 2.7 45.8 9.7 Run 26091-1745 415 Observation Pairs Available Session started on: 2445854.254700 1984.06.02 18:06:46.080 UTC Nominal duration: 85199.040 sec 00 23:39:59.040 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 359 60.547 ps 0.83 0.9754 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 368 Number of potentially good observations with QC 5-9: 368 Number of used observations: 359 ( 97.55%) Number of suppressed observations: 9 ( 2.45%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 59 61 56.908 0.83 19840602_a ia182 1984.06.03-05:56:45.6 BAS_STAT HRAS_085 WESTFORD 68 68 88.956 0.91 19840602_a ia182 1984.06.03-05:56:45.6 BAS_STAT HRAS_085 WETTZELL 39 41 32.687 0.59 19840602_a ia182 1984.06.03-05:56:45.6 BAS_STAT RICHMOND WESTFORD 66 68 56.726 0.85 19840602_a ia182 1984.06.03-05:56:45.6 BAS_STAT RICHMOND WETTZELL 40 43 56.305 0.83 19840602_a ia182 1984.06.03-05:56:45.6 BAS_STAT WESTFORD WETTZELL 87 87 72.637 0.86 19840602_a ia182 1984.06.03-05:56:45.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 20 20 20 70.983 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 0212+735 J0217+7349 25 26 39 93.735 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 0229+131 J0231+1322 19 22 22 54.196 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 0528+134 J0530+1331 26 26 27 55.203 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 0552+398 J0555+3948 39 40 44 36.663 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 1803+784 J1800+7828 22 22 23 60.737 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 2134+00 J2136+0041 13 13 15 50.511 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 3C273B J1229+0203 22 22 24 35.411 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 3C345 J1642+3948 33 35 39 40.427 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 3C454.3 J2253+1608 18 20 20 63.445 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: 4C39.25 J0927+3902 28 28 34 68.492 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: OJ287 J0854+2006 36 36 36 76.081 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: OQ208 J1407+2827 31 31 34 85.336 19840602_a ia182 1984.06.03-05:56:45.600 SRC_STAT: VR422201 J2202+4216 27 27 38 98.628 19840602_a ia182 1984.06.03-05:56:45.600 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.06.03-05:56:13 1. HRAS_085 7216 NOAM X Comp -1324211073.05 mm -56.047 mm 11.486 mm 11.344 mm 2. HRAS_085 7216 NOAM Y Comp -5332023085.60 mm -3.605 mm 37.613 mm 37.148 mm 3. HRAS_085 7216 NOAM Z Comp 3232118452.91 mm 145.907 mm 25.343 mm 25.029 mm HRAS_085 7216 U Comp 88.99 mm 88.987 mm 45.172 mm 37.608 mm HRAS_085 7216 E Comp -53.53 mm -53.526 mm 8.225 mm 6.848 mm HRAS_085 7216 N Comp 116.87 mm 116.874 mm 8.989 mm 7.484 mm 4. HRAS_085 CL 0 1984.06.02-18:06:13.896 5287.489 ns 0.332 ns 0.328 ns 5. HRAS_085 CL 1 1984.06.02-18:06:13.896 57.665 D-14 2.135 D-14 2.109 D-14 6. HRAS_085 CL 2 1984.06.02-18:06:13.896 4.608 D-14/day 1.870 D-14/day 1.847 D-14/day 31. HRAS_085 AT 0 1984.06.02-18:06:13.896 -71.089 ps 103.486 ps 102.206 ps HRAS_085 Atm 1984.06.03-06:06:46.080 Avg: -95.193 ps Rms: 33.950 ps Tot_Rms: 101.066 ps || Nat: 84 Dura: 84720.0 sec Tzd_avg: 6891.6 Tzd_rms: 19.3 Wzd_avg: 525.7 Wzd_rms: 19.9 ps Prs_avg: 84045. Pa Tem_avg: 13.6 C Stm_avg: -4.5 C Stm_rms: 2.5 K Spr_avg: 102. Spr_rms: 52. Pa 104. HRAS_085 NG 1984.06.02-18:05:13.896 0.002 mm 0.422 mm 0.417 mm 105. HRAS_085 EG 1984.06.02-18:05:13.896 -0.009 mm 0.422 mm 0.417 mm 106. HRAS_085 NG 1984.06.03-02:05:13.896 0.011 mm 0.377 mm 0.372 mm 107. HRAS_085 EG 1984.06.03-02:05:13.896 -0.003 mm 0.377 mm 0.372 mm 108. HRAS_085 NG 1984.06.03-10:05:13.896 -0.000 mm 0.377 mm 0.372 mm 109. HRAS_085 EG 1984.06.03-10:05:13.896 -0.005 mm 0.377 mm 0.372 mm 110. HRAS_085 NG 1984.06.03-18:05:13.896 -0.005 mm 0.422 mm 0.417 mm 111. HRAS_085 EG 1984.06.03-18:05:13.896 -0.007 mm 0.422 mm 0.417 mm 112. RICHMOND 7219 NOAM X Comp 961257983.13 mm -35.872 mm 8.138 mm 8.037 mm 113. RICHMOND 7219 NOAM Y Comp -5674090013.27 mm 36.727 mm 27.584 mm 27.242 mm 114. RICHMOND 7219 NOAM Z Comp 2740533838.36 mm 40.365 mm 17.220 mm 17.007 mm RICHMOND 7219 U Comp -20.61 mm -20.606 mm 31.570 mm 26.284 mm RICHMOND 7219 E Comp -29.23 mm -29.234 mm 7.707 mm 6.417 mm RICHMOND 7219 N Comp 54.64 mm 54.642 mm 8.219 mm 6.842 mm 115. RICHMOND CL 0 1984.06.02-18:06:13.896 7994.668 ns 0.172 ns 0.170 ns 116. RICHMOND CL 1 1984.06.02-18:06:13.896 213.137 D-14 2.107 D-14 2.081 D-14 117. RICHMOND CL 2 1984.06.02-18:06:13.896 -1.595 D-14/day 1.855 D-14/day 1.832 D-14/day 142. RICHMOND AT 0 1984.06.02-18:06:13.896 -45.116 ps 50.217 ps 49.596 ps RICHMOND Atm 1984.06.03-06:06:46.080 Avg: -111.353 ps Rms: 31.984 ps Tot_Rms: 115.855 ps || Nat: 86 Dura: 84720.0 sec Tzd_avg: 8074.0 Tzd_rms: 23.0 Wzd_avg: 355.7 Wzd_rms: 24.0 ps Prs_avg: 101703. Pa Tem_avg: 21.3 C Stm_avg: -3.0 C Stm_rms: 3.9 K Spr_avg: 36. Spr_rms: 60. Pa 215. RICHMOND NG 1984.06.02-18:05:13.896 -0.001 mm 0.422 mm 0.417 mm 216. RICHMOND EG 1984.06.02-18:05:13.896 -0.002 mm 0.422 mm 0.416 mm 217. RICHMOND NG 1984.06.03-02:05:13.896 -0.003 mm 0.377 mm 0.372 mm 218. RICHMOND EG 1984.06.03-02:05:13.896 -0.028 mm 0.377 mm 0.372 mm 219. RICHMOND NG 1984.06.03-10:05:13.896 -0.005 mm 0.377 mm 0.372 mm 220. RICHMOND EG 1984.06.03-10:05:13.896 0.003 mm 0.377 mm 0.372 mm 221. RICHMOND NG 1984.06.03-18:05:13.896 -0.000 mm 0.422 mm 0.417 mm 222. RICHMOND EG 1984.06.03-18:05:13.896 0.011 mm 0.422 mm 0.417 mm 223. WESTFORD 7209 NOAM X Comp 1492206587.36 mm 44.359 mm 7.844 mm 7.747 mm 224. WESTFORD 7209 NOAM Y Comp -4458130401.39 mm 120.611 mm 17.472 mm 17.256 mm 225. WESTFORD 7209 NOAM Z Comp 4296015513.52 mm -33.476 mm 15.525 mm 15.333 mm WESTFORD 7209 U Comp -96.48 mm -96.476 mm 22.284 mm 18.552 mm WESTFORD 7209 E Comp 80.35 mm 80.348 mm 8.705 mm 7.247 mm WESTFORD 7209 N Comp 43.27 mm 43.268 mm 5.956 mm 4.959 mm 226. WESTFORD AT 0 1984.06.02-18:06:13.896 -61.111 ps 42.021 ps 41.501 ps WESTFORD Atm 1984.06.03-06:06:46.080 Avg: -20.168 ps Rms: 49.741 ps Tot_Rms: 53.675 ps || Nat: 131 Dura: 85200.0 sec Tzd_avg: 7952.4 Tzd_rms: 129.5 Wzd_avg: 433.8 Wzd_rms: 150.9 ps Prs_avg: 99470. Pa Tem_avg: 11.8 C Stm_avg: -1.7 C Stm_rms: 1.2 K Spr_avg: 259. Spr_rms: 37. Pa 299. WESTFORD NG 1984.06.02-18:05:13.896 -0.019 mm 0.422 mm 0.417 mm 300. WESTFORD EG 1984.06.02-18:05:13.896 0.000 mm 0.421 mm 0.416 mm 301. WESTFORD NG 1984.06.03-02:05:13.896 -0.017 mm 0.377 mm 0.372 mm 302. WESTFORD EG 1984.06.03-02:05:13.896 -0.019 mm 0.376 mm 0.372 mm 303. WESTFORD NG 1984.06.03-10:05:13.896 0.000 mm 0.377 mm 0.372 mm 304. WESTFORD EG 1984.06.03-10:05:13.896 -0.036 mm 0.376 mm 0.372 mm 305. WESTFORD NG 1984.06.03-18:05:13.896 -0.010 mm 0.422 mm 0.417 mm 306. WESTFORD EG 1984.06.03-18:05:13.896 -0.017 mm 0.422 mm 0.416 mm 307. WETTZELL 7224 EURA X Comp 4075539888.56 mm 47.560 mm 16.909 mm 16.700 mm 308. WETTZELL 7224 EURA Y Comp 931735160.27 mm -153.733 mm 16.713 mm 16.507 mm 309. WETTZELL 7224 EURA Z Comp 4801629240.20 mm -152.796 mm 23.415 mm 23.125 mm WETTZELL 7224 U Comp -107.65 mm -107.654 mm 26.580 mm 22.130 mm WETTZELL 7224 E Comp -160.47 mm -160.466 mm 16.675 mm 13.883 mm WETTZELL 7224 N Comp -109.10 mm -109.105 mm 11.355 mm 9.454 mm 310. WETTZELL CL 0 1984.06.02-18:06:13.896 -750.548 ns 0.187 ns 0.184 ns 311. WETTZELL CL 1 1984.06.02-18:06:13.896 -115.549 D-14 2.136 D-14 2.110 D-14 312. WETTZELL CL 2 1984.06.02-18:06:13.896 0.149 D-14/day 1.896 D-14/day 1.872 D-14/day 337. WETTZELL AT 0 1984.06.02-18:06:13.896 -61.810 ps 47.490 ps 46.902 ps WETTZELL Atm 1984.06.03-06:06:46.080 Avg: -32.251 ps Rms: 14.913 ps Tot_Rms: 35.532 ps || Nat: 92 Dura: 85200.0 sec Tzd_avg: 7501.2 Tzd_rms: 24.5 Wzd_avg: 390.6 Wzd_rms: 11.1 ps Prs_avg: 94310. Pa Tem_avg: 20.7 C Stm_avg: 1.9 C Stm_rms: 1.3 K Spr_avg: 449. Spr_rms: 20. Pa 410. WETTZELL NG 1984.06.02-18:05:13.896 0.007 mm 0.422 mm 0.417 mm 411. WETTZELL EG 1984.06.02-18:05:13.896 0.001 mm 0.422 mm 0.417 mm 412. WETTZELL NG 1984.06.03-02:05:13.896 -0.009 mm 0.377 mm 0.372 mm 413. WETTZELL EG 1984.06.03-02:05:13.896 0.001 mm 0.377 mm 0.372 mm 414. WETTZELL NG 1984.06.03-10:05:13.896 0.006 mm 0.377 mm 0.372 mm 415. WETTZELL EG 1984.06.03-10:05:13.896 0.005 mm 0.377 mm 0.372 mm 416. WETTZELL NG 1984.06.03-18:05:13.896 0.012 mm 0.422 mm 0.417 mm 417. WETTZELL EG 1984.06.03-18:05:13.896 0.010 mm 0.422 mm 0.417 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.99 ps/h NRMS 0.24 share 0.93 count 73 2. RICHMOND Input 50.00 ps/h RMS 14.35 ps/h NRMS 0.29 share 0.91 count 73 3. WESTFORD Input 50.00 ps/h RMS 17.38 ps/h NRMS 0.35 share 0.84 count 73 4. WETTZELL Input 50.00 ps/h RMS 11.44 ps/h NRMS 0.23 share 0.86 count 73 Overall RMS 13.99 ps/h NRMS 0.28 share 0.88 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.04 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.63 D-14 NRMS 0.73 share 0.32 count 25 2. RICHMOND Input 5.00 D-14 RMS 4.09 D-14 NRMS 0.82 share 0.28 count 25 4. WETTZELL Input 5.00 D-14 RMS 1.81 D-14 NRMS 0.36 share 0.33 count 25 Overall RMS 3.33 D-14 NRMS 0.67 share 0.31 count 75 418. UT1-TAI 1, 1984.06.03-05:56:00.000 -1.1125 ms/d -102.82 micros/d 64.07 micros/d 63.28 micros/d EOP epoch (TDT) MJD: 45854.247595 NUT epoch (TDT) MJD: 45854.222108 419. Nutation DPSI wrt apriori model 1984.06.03-05:56:13.416 0.061 mas 905.1 microasec 893.9 microasec Nutation Dx wrt apriori model 1984.06.03-05:56:13.416 0.025 mas 358.6 microasec 354.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.06.03-05:56:13.416 2.932 mas 905.1 microasec 893.9 microasec 420. Nutation DEPS wrt apriori model 1984.06.03-05:56:13.416 -0.246 mas 429.3 microasec 424.0 microasec Nutation Dy wrt apriori model 1984.06.03-05:56:13.416 -0.246 mas 430.5 microasec 425.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.06.03-05:56:13.416 -0.722 mas 429.3 microasec 424.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0485 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.06.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632858.27 13.90 2362632858.27 13.90 66.70 9.46 86.34 69.34 HRAS_085 7216 to WESTFORD 7209 3134928040.16 16.12 3134928040.16 16.12 105.05 7.44 206.31 60.25 HRAS_085 7216 to WETTZELL 7224 8417561518.73 43.01 8417561518.73 43.01 298.59 8.41 152.15 53.24 RICHMOND 7219 to WESTFORD 7209 2044501758.33 9.94 2044501758.33 9.94 100.15 5.72 93.19 38.48 RICHMOND 7219 to WETTZELL 7224 7588398531.00 27.04 7588398531.00 27.04 215.65 7.90 13.26 45.08 WESTFORD 7209 to WETTZELL 7224 5998325346.16 17.58 5998325346.16 17.58 155.91 6.03 9.01 39.52 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:32 Correlator type: Unknown Experiment code: ia183 Mark-3 db_name: $84JUN07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840607_a Ver 2 ia183 Matrix Condition Number = 5.006638345188324E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 22.1 2.8 837.1 1.1 40.8 0.3 RICHMOND MET 23.8 1.5 1018.0 0.7 61.5 6.6 WESTFORD MET 23.6 2.9 1004.7 0.6 26.3 4.9 WETTZELL MET 9.4 0.8 939.7 0.6 84.0 0.3 Run 26091-1745 340 Observation Pairs Available Session started on: 2445859.262500 1984.06.07 18:18:00.000 UTC Nominal duration: 82365.120 sec 00 22:52:45.120 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 277 50.278 ps 0.78 0.9017 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 284 Number of potentially good observations with QC 5-9: 284 Number of used observations: 277 ( 97.54%) Number of suppressed observations: 7 ( 2.46%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 37 39 39.605 0.74 19840607_a ia183 1984.06.08-05:44:22.5 BAS_STAT HRAS_085 WESTFORD 60 60 97.319 0.90 19840607_a ia183 1984.06.08-05:44:22.5 BAS_STAT HRAS_085 WETTZELL 34 34 80.878 0.82 19840607_a ia183 1984.06.08-05:44:22.5 BAS_STAT RICHMOND WESTFORD 42 42 32.117 0.70 19840607_a ia183 1984.06.08-05:44:22.5 BAS_STAT RICHMOND WETTZELL 28 30 131.831 0.91 19840607_a ia183 1984.06.08-05:44:22.5 BAS_STAT WESTFORD WETTZELL 76 79 36.925 0.65 19840607_a ia183 1984.06.08-05:44:22.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 17 47.302 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 0212+735 J0217+7349 21 21 31 60.838 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 0229+131 J0231+1322 20 20 20 46.476 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 0528+134 J0530+1331 21 22 24 74.775 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 0552+398 J0555+3948 21 21 23 43.901 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 1803+784 J1800+7828 26 26 31 59.034 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 2134+00 J2136+0041 16 18 23 43.437 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 3C273B J1229+0203 15 15 17 21.768 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 3C345 J1642+3948 32 32 35 37.583 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 3C454.3 J2253+1608 20 21 21 53.031 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: 4C39.25 J0927+3902 12 12 20 79.759 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: OJ287 J0854+2006 21 21 23 77.556 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: OQ208 J1407+2827 17 18 22 91.377 19840607_a ia183 1984.06.08-05:44:22.560 SRC_STAT: VR422201 J2202+4216 20 22 33 61.066 19840607_a ia183 1984.06.08-05:44:22.560 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.06.08-05:43:50 1. HRAS_085 7216 NOAM X Comp -1324211075.60 mm -58.597 mm 13.295 mm 12.624 mm 2. HRAS_085 7216 NOAM Y Comp -5332023139.92 mm -57.915 mm 45.739 mm 43.433 mm 3. HRAS_085 7216 NOAM Z Comp 3232118482.81 mm 175.807 mm 30.465 mm 28.929 mm HRAS_085 7216 U Comp 150.10 mm 150.104 mm 55.012 mm 42.747 mm HRAS_085 7216 E Comp -42.91 mm -42.911 mm 8.929 mm 6.939 mm HRAS_085 7216 N Comp 115.43 mm 115.427 mm 9.535 mm 7.409 mm 4. HRAS_085 AT 0 1984.06.07-18:17:27.816 -115.175 ps 132.220 ps 125.555 ps HRAS_085 Atm 1984.06.08-05:48:00.000 Avg: -157.391 ps Rms: 33.596 ps Tot_Rms: 160.937 ps || Nat: 82 Dura: 78600.0 sec Tzd_avg: 6629.1 Tzd_rms: 18.0 Wzd_avg: 271.9 Wzd_rms: 11.2 ps Prs_avg: 83704. Pa Tem_avg: 22.3 C Stm_avg: -3.2 C Stm_rms: 2.3 K Spr_avg: -14. Spr_rms: 53. Pa 74. HRAS_085 NG 1984.06.07-18:16:27.816 -0.039 mm 0.422 mm 0.401 mm 75. HRAS_085 EG 1984.06.07-18:16:27.816 -0.007 mm 0.422 mm 0.401 mm 76. HRAS_085 NG 1984.06.08-02:16:27.816 -0.036 mm 0.377 mm 0.358 mm 77. HRAS_085 EG 1984.06.08-02:16:27.816 0.002 mm 0.377 mm 0.358 mm 78. HRAS_085 NG 1984.06.08-10:16:27.816 0.000 mm 0.377 mm 0.358 mm 79. HRAS_085 EG 1984.06.08-10:16:27.816 0.000 mm 0.377 mm 0.358 mm 80. HRAS_085 NG 1984.06.08-18:16:27.816 0.022 mm 0.422 mm 0.401 mm 81. HRAS_085 EG 1984.06.08-18:16:27.816 0.007 mm 0.422 mm 0.401 mm 82. RICHMOND 7219 NOAM X Comp 961257963.00 mm -55.999 mm 8.775 mm 8.332 mm 83. RICHMOND 7219 NOAM Y Comp -5674089923.72 mm 126.279 mm 36.010 mm 34.195 mm 84. RICHMOND 7219 NOAM Z Comp 2740533801.69 mm 3.690 mm 21.574 mm 20.486 mm RICHMOND 7219 U Comp -119.11 mm -119.109 mm 40.851 mm 31.744 mm RICHMOND 7219 E Comp -34.12 mm -34.120 mm 9.318 mm 7.240 mm RICHMOND 7219 N Comp 61.19 mm 61.195 mm 9.140 mm 7.102 mm 85. RICHMOND CL 0 1984.06.07-18:17:27.816 3072.644 ns 0.743 ns 0.705 ns 86. RICHMOND CL 1 1984.06.07-18:17:27.816 107.414 D-14 3.232 D-14 3.069 D-14 87. RICHMOND CL 2 1984.06.07-18:17:27.816 -6.541 D-14/day 2.663 D-14/day 2.529 D-14/day 111. RICHMOND AT 0 1984.06.07-18:17:27.816 -31.719 ps 87.725 ps 83.303 ps RICHMOND Atm 1984.06.08-05:48:00.000 Avg: 14.156 ps Rms: 46.924 ps Tot_Rms: 49.013 ps || Nat: 65 Dura: 66540.0 sec Tzd_avg: 8333.8 Tzd_rms: 35.9 Wzd_avg: 616.9 Wzd_rms: 40.0 ps Prs_avg: 101806. Pa Tem_avg: 23.9 C Stm_avg: -2.0 C Stm_rms: 1.2 K Spr_avg: 35. Spr_rms: 48. Pa 181. RICHMOND NG 1984.06.07-18:16:27.816 0.002 mm 0.422 mm 0.401 mm 182. RICHMOND EG 1984.06.07-18:16:27.816 0.016 mm 0.422 mm 0.401 mm 183. RICHMOND NG 1984.06.08-02:16:27.816 0.000 mm 0.377 mm 0.358 mm 184. RICHMOND EG 1984.06.08-02:16:27.816 0.017 mm 0.377 mm 0.358 mm 185. RICHMOND NG 1984.06.08-10:16:27.816 0.008 mm 0.377 mm 0.358 mm 186. RICHMOND EG 1984.06.08-10:16:27.816 0.013 mm 0.377 mm 0.358 mm 187. RICHMOND NG 1984.06.08-18:16:27.816 -0.008 mm 0.422 mm 0.401 mm 188. RICHMOND EG 1984.06.08-18:16:27.816 -0.006 mm 0.422 mm 0.401 mm 189. WESTFORD 7209 NOAM X Comp 1492206598.05 mm 55.052 mm 8.769 mm 8.327 mm 190. WESTFORD 7209 NOAM Y Comp -4458130420.35 mm 101.655 mm 19.286 mm 18.314 mm 191. WESTFORD 7209 NOAM Z Comp 4296015510.57 mm -36.427 mm 16.700 mm 15.858 mm WESTFORD 7209 U Comp -82.75 mm -82.746 mm 24.251 mm 18.844 mm WESTFORD 7209 E Comp 84.47 mm 84.471 mm 10.028 mm 7.793 mm WESTFORD 7209 N Comp 26.63 mm 26.627 mm 6.250 mm 4.857 mm 192. WESTFORD CL 0 1984.06.07-18:17:27.816 -5864.782 ns 0.407 ns 0.386 ns 193. WESTFORD CL 1 1984.06.07-18:17:27.816 -92.793 D-14 2.347 D-14 2.228 D-14 194. WESTFORD CL 2 1984.06.07-18:17:27.816 -10.061 D-14/day 2.087 D-14/day 1.982 D-14/day 218. WESTFORD AT 0 1984.06.07-18:17:27.816 -1.232 ps 45.786 ps 43.478 ps WESTFORD Atm 1984.06.08-05:48:00.000 Avg: -12.615 ps Rms: 28.371 ps Tot_Rms: 31.050 ps || Nat: 122 Dura: 82360.0 sec Tzd_avg: 8365.1 Tzd_rms: 71.7 Wzd_avg: 776.5 Wzd_rms: 75.6 ps Prs_avg: 100466. Pa Tem_avg: 23.7 C Stm_avg: 0.2 C Stm_rms: 1.5 K Spr_avg: 171. Spr_rms: 31. Pa 288. WESTFORD NG 1984.06.07-18:16:27.816 0.018 mm 0.422 mm 0.401 mm 289. WESTFORD EG 1984.06.07-18:16:27.816 0.013 mm 0.422 mm 0.400 mm 290. WESTFORD NG 1984.06.08-02:16:27.816 0.021 mm 0.377 mm 0.358 mm 291. WESTFORD EG 1984.06.08-02:16:27.816 -0.006 mm 0.376 mm 0.357 mm 292. WESTFORD NG 1984.06.08-10:16:27.816 -0.027 mm 0.377 mm 0.358 mm 293. WESTFORD EG 1984.06.08-10:16:27.816 -0.015 mm 0.377 mm 0.358 mm 294. WESTFORD NG 1984.06.08-18:16:27.816 -0.009 mm 0.422 mm 0.401 mm 295. WESTFORD EG 1984.06.08-18:16:27.816 -0.003 mm 0.422 mm 0.401 mm 296. WETTZELL 7224 EURA X Comp 4075539900.54 mm 59.544 mm 19.250 mm 18.279 mm 297. WETTZELL 7224 EURA Y Comp 931735143.98 mm -170.019 mm 19.410 mm 18.432 mm 298. WETTZELL 7224 EURA Z Comp 4801629249.93 mm -143.070 mm 25.638 mm 24.345 mm WETTZELL 7224 U Comp -95.03 mm -95.029 mm 29.209 mm 22.697 mm WETTZELL 7224 E Comp -179.01 mm -179.013 mm 19.373 mm 15.054 mm WETTZELL 7224 N Comp -108.83 mm -108.834 mm 13.271 mm 10.313 mm 299. WETTZELL CL 0 1984.06.07-18:17:27.816 -7060.957 ns 0.421 ns 0.400 ns 300. WETTZELL CL 1 1984.06.07-18:17:27.816 -198.180 D-14 2.383 D-14 2.263 D-14 301. WETTZELL CL 2 1984.06.07-18:17:27.816 -4.780 D-14/day 2.134 D-14/day 2.026 D-14/day 325. WETTZELL AT 0 1984.06.07-18:17:27.816 28.689 ps 44.977 ps 42.709 ps WETTZELL Atm 1984.06.08-05:48:00.000 Avg: 5.993 ps Rms: 21.789 ps Tot_Rms: 22.598 ps || Nat: 89 Dura: 81760.0 sec Tzd_avg: 7407.7 Tzd_rms: 26.4 Wzd_avg: 327.9 Wzd_rms: 31.2 ps Prs_avg: 93982. Pa Tem_avg: 9.4 C Stm_avg: -0.4 C Stm_rms: 0.8 K Spr_avg: 558. Spr_rms: 38. Pa 395. WETTZELL NG 1984.06.07-18:16:27.816 0.005 mm 0.422 mm 0.401 mm 396. WETTZELL EG 1984.06.07-18:16:27.816 0.001 mm 0.422 mm 0.401 mm 397. WETTZELL NG 1984.06.08-02:16:27.816 0.001 mm 0.377 mm 0.358 mm 398. WETTZELL EG 1984.06.08-02:16:27.816 -0.009 mm 0.377 mm 0.358 mm 399. WETTZELL NG 1984.06.08-10:16:27.816 -0.002 mm 0.377 mm 0.358 mm 400. WETTZELL EG 1984.06.08-10:16:27.816 0.012 mm 0.377 mm 0.358 mm 401. WETTZELL NG 1984.06.08-18:16:27.816 -0.003 mm 0.422 mm 0.401 mm 402. WETTZELL EG 1984.06.08-18:16:27.816 0.004 mm 0.422 mm 0.401 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 9.91 ps/h NRMS 0.20 share 0.93 count 70 2. RICHMOND Input 50.00 ps/h RMS 10.78 ps/h NRMS 0.22 share 0.93 count 70 3. WESTFORD Input 50.00 ps/h RMS 16.28 ps/h NRMS 0.33 share 0.86 count 70 4. WETTZELL Input 50.00 ps/h RMS 15.26 ps/h NRMS 0.31 share 0.87 count 70 Overall RMS 13.35 ps/h NRMS 0.27 share 0.90 count 280 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 2.81 D-14 NRMS 0.56 share 0.44 count 24 3. WESTFORD Input 5.00 D-14 RMS 2.31 D-14 NRMS 0.46 share 0.32 count 24 4. WETTZELL Input 5.00 D-14 RMS 1.54 D-14 NRMS 0.31 share 0.37 count 24 Overall RMS 2.28 D-14 NRMS 0.46 share 0.38 count 72 403. UT1-TAI 1, 1984.06.08-05:44:00.000 -1.8223 ms/d -87.00 micros/d 81.96 micros/d 77.83 micros/d EOP epoch (TDT) MJD: 45859.239261 NUT epoch (TDT) MJD: 45859.276447 404. Nutation DPSI wrt apriori model 1984.06.08-05:43:50.376 -2.791 mas 1092.4 microasec 1037.3 microasec Nutation Dx wrt apriori model 1984.06.08-05:43:50.376 -1.109 mas 433.0 microasec 411.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.06.08-05:43:50.376 0.705 mas 1092.4 microasec 1037.3 microasec 405. Nutation DEPS wrt apriori model 1984.06.08-05:43:50.376 -0.252 mas 451.5 microasec 428.7 microasec Nutation Dy wrt apriori model 1984.06.08-05:43:50.376 -0.256 mas 453.0 microasec 430.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.06.08-05:43:50.376 -0.296 mas 451.5 microasec 428.7 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 0.9974 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.06.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632834.29 15.21 2362632834.29 15.21 62.50 10.14 243.96 87.52 HRAS_085 7216 to WESTFORD 7209 3134928050.76 18.61 3134928050.76 18.61 115.18 8.32 254.16 70.29 HRAS_085 7216 to WETTZELL 7224 8417561552.58 50.49 8417561552.58 50.49 300.75 9.29 182.37 63.01 RICHMOND 7219 to WESTFORD 7209 2044501727.46 11.57 2044501727.46 11.57 117.98 7.31 -19.01 48.47 RICHMOND 7219 to WETTZELL 7224 7588398464.65 33.94 7588398464.65 33.94 229.46 9.42 -85.70 52.48 WESTFORD 7209 to WETTZELL 7224 5998325350.19 17.85 5998325350.19 17.85 148.70 5.80 -1.05 42.83 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:35 Correlator type: Unknown Experiment code: ia184 Mark-3 db_name: $84JUN12XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840612_a Ver 2 ia184 Matrix Condition Number = 1.560843858278516E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 20.2 2.6 839.1 1.2 54.2 5.6 ONSALA60 MET 13.0 0.5 1013.6 4.2 55.4 21.4 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 RICHMOND MET 24.5 3.6 1017.9 0.8 56.2 0.8 WESTFORD MET 24.5 3.2 1005.9 2.2 13.9 0.4 WETTZELL MET 13.8 3.8 956.0 0.9 46.0 1.9 Run 26091-1745 591 Observation Pairs Available Session started on: 2445864.247000 1984.06.12 17:55:40.800 UTC Nominal duration: 89398.080 sec 01 00:49:58.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 347 56.844 ps 0.82 1.0004 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 385 Number of potentially good observations with QC 5-9: 385 Number of used observations: 347 ( 90.13%) Number of suppressed observations: 38 ( 9.87%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 11 12 141.981 0.92 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT HRAS_085 RICHMOND 49 51 46.905 0.80 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT HRAS_085 WESTFORD 45 48 40.046 0.78 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT HRAS_085 WETTZELL 29 32 69.679 0.82 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 RICHMOND 7 9 201.506 0.95 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT ONSALA60 WESTFORD 27 27 76.627 0.85 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT ONSALA60 WETTZELL 27 44 48.078 0.76 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT RICHMOND WESTFORD 60 63 55.329 0.82 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT RICHMOND WETTZELL 27 27 142.022 0.93 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT WESTFORD WETTZELL 65 72 58.356 0.79 19840612_a ia184 1984.06.13-06:20:39.8 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19840612_a ia184 ONSALA85 RICHMOND 0/ 0 deselected baseline 19840612_a ia184 ONSALA85 WESTFORD 0/ 0 deselected baseline 19840612_a ia184 ONSALA85 WETTZELL 0/ 0 deselected baseline 19840612_a ia184 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 13 17 56.320 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 0212+735 J0217+7349 32 36 70 74.746 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 0229+131 J0231+1322 20 24 25 53.091 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 0528+134 J0530+1331 20 20 24 60.003 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 0552+398 J0555+3948 27 33 45 42.710 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 1803+784 J1800+7828 27 28 48 49.152 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 2134+00 J2136+0041 7 9 15 29.233 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 3C273B J1229+0203 22 26 36 24.919 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 3C345 J1642+3948 36 39 67 61.508 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 3C454.3 J2253+1608 21 26 37 44.028 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: 4C39.25 J0927+3902 35 36 57 70.474 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: OJ287 J0854+2006 41 46 58 60.859 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: OQ208 J1407+2827 30 31 51 72.539 19840612_a ia184 1984.06.13-06:20:39.840 SRC_STAT: VR422201 J2202+4216 17 18 41 99.926 19840612_a ia184 1984.06.13-06:20:39.840 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.06.13-06:20:07 1. HRAS_085 7216 NOAM X Comp -1324211079.20 mm -62.205 mm 14.617 mm 14.620 mm 2. HRAS_085 7216 NOAM Y Comp -5332023042.43 mm 39.573 mm 40.337 mm 40.346 mm 3. HRAS_085 7216 NOAM Z Comp 3232118448.17 mm 141.169 mm 28.169 mm 28.175 mm HRAS_085 7216 U Comp 51.79 mm 51.794 mm 48.224 mm 39.454 mm HRAS_085 7216 E Comp -69.91 mm -69.909 mm 10.746 mm 8.792 mm HRAS_085 7216 N Comp 133.40 mm 133.396 mm 13.902 mm 11.374 mm 4. HRAS_085 AT 0 1984.06.12-17:55:08.616 49.745 ps 119.043 ps 119.069 ps HRAS_085 Atm 1984.06.13-06:25:40.800 Avg: 10.510 ps Rms: 36.801 ps Tot_Rms: 38.272 ps || Nat: 71 Dura: 89400.0 sec Tzd_avg: 6838.6 Tzd_rms: 65.6 Wzd_avg: 475.2 Wzd_rms: 60.9 ps Prs_avg: 83926. Pa Tem_avg: 19.5 C Stm_avg: -1.7 C Stm_rms: 1.4 K Spr_avg: 37. Spr_rms: 41. Pa 80. HRAS_085 NG 1984.06.12-17:54:08.616 -0.006 mm 0.422 mm 0.422 mm 81. HRAS_085 EG 1984.06.12-17:54:08.616 -0.002 mm 0.422 mm 0.422 mm 82. HRAS_085 NG 1984.06.13-01:54:08.616 0.029 mm 0.377 mm 0.377 mm 83. HRAS_085 EG 1984.06.13-01:54:08.616 0.025 mm 0.377 mm 0.377 mm 84. HRAS_085 NG 1984.06.13-09:54:08.616 -0.008 mm 0.377 mm 0.377 mm 85. HRAS_085 EG 1984.06.13-09:54:08.616 0.007 mm 0.377 mm 0.377 mm 86. HRAS_085 NG 1984.06.13-17:54:08.616 -0.027 mm 0.422 mm 0.422 mm 87. HRAS_085 EG 1984.06.13-17:54:08.616 -0.035 mm 0.422 mm 0.422 mm 88. ONSALA60 7213 EURA X Comp 3370606038.39 mm 49.390 mm 26.683 mm 26.689 mm 89. ONSALA60 7213 EURA Y Comp 711917439.48 mm -89.525 mm 15.472 mm 15.475 mm 90. ONSALA60 7213 EURA Z Comp 5349830706.78 mm -59.219 mm 41.995 mm 42.004 mm ONSALA60 7213 U Comp -33.82 mm -33.817 mm 48.231 mm 39.460 mm ONSALA60 7213 E Comp -97.80 mm -97.799 mm 15.901 mm 13.010 mm ONSALA60 7213 N Comp -57.03 mm -57.033 mm 11.655 mm 9.536 mm 91. ONSALA60 CL 0 1984.06.12-17:55:08.616 -12778.015 ns 0.403 ns 0.404 ns 92. ONSALA60 CL 1 1984.06.12-17:55:08.616 -94.303 D-14 3.606 D-14 3.607 D-14 93. ONSALA60 CL 2 1984.06.12-17:55:08.616 -5.482 D-14/day 7.442 D-14/day 7.443 D-14/day 119. ONSALA60 AT 0 1984.06.12-17:55:08.616 -106.406 ps 66.989 ps 67.004 ps ONSALA60 Atm 1984.06.13-06:25:40.800 Avg: -58.016 ps Rms: 26.870 ps Tot_Rms: 63.936 ps || Nat: 62 Dura: 59900.0 sec Tzd_avg: 8118.5 Tzd_rms: 44.9 Wzd_avg: 470.9 Wzd_rms: 24.5 ps Prs_avg: 101252. Pa Tem_avg: 13.1 C Stm_avg: 0.6 C Stm_rms: 0.4 K Spr_avg: 191. Spr_rms: 25. Pa 195. ONSALA60 NG 1984.06.12-17:54:08.616 -0.017 mm 0.422 mm 0.422 mm 196. ONSALA60 EG 1984.06.12-17:54:08.616 -0.028 mm 0.422 mm 0.422 mm 197. ONSALA60 NG 1984.06.13-01:54:08.616 0.005 mm 0.377 mm 0.377 mm 198. ONSALA60 EG 1984.06.13-01:54:08.616 0.017 mm 0.377 mm 0.377 mm 199. ONSALA60 NG 1984.06.13-09:54:08.616 0.004 mm 0.377 mm 0.377 mm 200. ONSALA60 EG 1984.06.13-09:54:08.616 0.006 mm 0.377 mm 0.377 mm 201. ONSALA60 NG 1984.06.13-17:54:08.616 0.001 mm 0.422 mm 0.423 mm 202. ONSALA60 EG 1984.06.13-17:54:08.616 0.002 mm 0.422 mm 0.423 mm 203. RICHMOND 7219 NOAM X Comp 961257955.18 mm -63.821 mm 11.266 mm 11.269 mm 204. RICHMOND 7219 NOAM Y Comp -5674089981.42 mm 68.583 mm 30.095 mm 30.102 mm 205. RICHMOND 7219 NOAM Z Comp 2740533842.22 mm 44.223 mm 21.672 mm 21.676 mm RICHMOND 7219 U Comp -51.47 mm -51.470 mm 34.618 mm 28.323 mm RICHMOND 7219 E Comp -51.47 mm -51.468 mm 10.926 mm 8.939 mm RICHMOND 7219 N Comp 73.72 mm 73.718 mm 13.585 mm 11.115 mm 206. RICHMOND CL 0 1984.06.12-17:55:08.616 3422.763 ns 0.361 ns 0.362 ns 207. RICHMOND CL 1 1984.06.12-17:55:08.616 56.145 D-14 2.075 D-14 2.075 D-14 208. RICHMOND CL 2 1984.06.12-17:55:08.616 -2.335 D-14/day 1.735 D-14/day 1.736 D-14/day 234. RICHMOND AT 0 1984.06.12-17:55:08.616 -236.495 ps 68.642 ps 68.657 ps RICHMOND Atm 1984.06.13-06:25:40.800 Avg: -64.079 ps Rms: 128.577 ps Tot_Rms: 143.660 ps || Nat: 81 Dura: 89400.0 sec Tzd_avg: 8465.4 Tzd_rms: 11.0 Wzd_avg: 760.9 Wzd_rms: 12.4 ps Prs_avg: 101799. Pa Tem_avg: 24.7 C Stm_avg: -2.0 C Stm_rms: 2.9 K Spr_avg: 127. Spr_rms: 69. Pa 310. RICHMOND NG 1984.06.12-17:54:08.616 -0.005 mm 0.422 mm 0.422 mm 311. RICHMOND EG 1984.06.12-17:54:08.616 0.009 mm 0.422 mm 0.422 mm 312. RICHMOND NG 1984.06.13-01:54:08.616 -0.001 mm 0.377 mm 0.377 mm 313. RICHMOND EG 1984.06.13-01:54:08.616 0.010 mm 0.377 mm 0.377 mm 314. RICHMOND NG 1984.06.13-09:54:08.616 0.014 mm 0.377 mm 0.377 mm 315. RICHMOND EG 1984.06.13-09:54:08.616 0.006 mm 0.377 mm 0.377 mm 316. RICHMOND NG 1984.06.13-17:54:08.616 0.007 mm 0.422 mm 0.422 mm 317. RICHMOND EG 1984.06.13-17:54:08.616 -0.003 mm 0.422 mm 0.422 mm 318. WESTFORD 7209 NOAM X Comp 1492206569.27 mm 26.267 mm 10.581 mm 10.584 mm 319. WESTFORD 7209 NOAM Y Comp -4458130391.24 mm 130.757 mm 15.948 mm 15.952 mm 320. WESTFORD 7209 NOAM Z Comp 4296015526.22 mm -20.785 mm 18.951 mm 18.955 mm WESTFORD 7209 U Comp -99.19 mm -99.190 mm 22.971 mm 18.794 mm WESTFORD 7209 E Comp 66.41 mm 66.412 mm 10.769 mm 8.811 mm WESTFORD 7209 N Comp 63.01 mm 63.009 mm 9.045 mm 7.400 mm 321. WESTFORD CL 0 1984.06.12-17:55:08.616 -6117.349 ns 0.312 ns 0.312 ns 322. WESTFORD CL 1 1984.06.12-17:55:08.616 -96.355 D-14 2.065 D-14 2.065 D-14 323. WESTFORD CL 2 1984.06.12-17:55:08.616 -2.867 D-14/day 1.737 D-14/day 1.737 D-14/day 349. WESTFORD AT 0 1984.06.12-17:55:08.616 24.948 ps 35.676 ps 35.683 ps WESTFORD Atm 1984.06.13-06:25:40.800 Avg: -60.564 ps Rms: 54.583 ps Tot_Rms: 81.531 ps || Nat: 116 Dura: 89400.0 sec Tzd_avg: 8049.6 Tzd_rms: 87.4 Wzd_avg: 441.7 Wzd_rms: 109.5 ps Prs_avg: 100550. Pa Tem_avg: 24.1 C Stm_avg: 1.4 C Stm_rms: 0.9 K Spr_avg: 153. Spr_rms: 49. Pa 425. WESTFORD NG 1984.06.12-17:54:08.616 -0.001 mm 0.422 mm 0.422 mm 426. WESTFORD EG 1984.06.12-17:54:08.616 -0.021 mm 0.421 mm 0.421 mm 427. WESTFORD NG 1984.06.13-01:54:08.616 -0.031 mm 0.377 mm 0.377 mm 428. WESTFORD EG 1984.06.13-01:54:08.616 -0.065 mm 0.376 mm 0.376 mm 429. WESTFORD NG 1984.06.13-09:54:08.616 0.021 mm 0.377 mm 0.377 mm 430. WESTFORD EG 1984.06.13-09:54:08.616 -0.025 mm 0.376 mm 0.377 mm 431. WESTFORD NG 1984.06.13-17:54:08.616 0.024 mm 0.422 mm 0.422 mm 432. WESTFORD EG 1984.06.13-17:54:08.616 0.046 mm 0.422 mm 0.422 mm 433. WETTZELL 7224 EURA X Comp 4075539891.37 mm 50.369 mm 18.934 mm 18.938 mm 434. WETTZELL 7224 EURA Y Comp 931735164.61 mm -149.389 mm 14.851 mm 14.854 mm 435. WETTZELL 7224 EURA Z Comp 4801629287.61 mm -105.388 mm 24.395 mm 24.400 mm WETTZELL 7224 U Comp -69.37 mm -69.372 mm 29.219 mm 23.906 mm WETTZELL 7224 E Comp -156.86 mm -156.857 mm 14.359 mm 11.748 mm WETTZELL 7224 N Comp -80.90 mm -80.896 mm 10.688 mm 8.744 mm 436. WETTZELL CL 0 1984.06.12-17:55:08.616 -7972.307 ns 0.340 ns 0.340 ns 437. WETTZELL CL 1 1984.06.12-17:55:08.616 -220.506 D-14 2.163 D-14 2.163 D-14 438. WETTZELL CL 2 1984.06.12-17:55:08.616 -4.153 D-14/day 1.865 D-14/day 1.866 D-14/day 464. WETTZELL AT 0 1984.06.12-17:55:08.616 -55.756 ps 49.733 ps 49.744 ps WETTZELL Atm 1984.06.13-06:25:40.800 Avg: -55.762 ps Rms: 9.828 ps Tot_Rms: 56.622 ps || Nat: 80 Dura: 86760.0 sec Tzd_avg: 7610.7 Tzd_rms: 41.0 Wzd_avg: 401.6 Wzd_rms: 47.4 ps Prs_avg: 95591. Pa Tem_avg: 14.2 C Stm_avg: -0.3 C Stm_rms: 2.1 K Spr_avg: 432. Spr_rms: 27. Pa 540. WETTZELL NG 1984.06.12-17:54:08.616 0.012 mm 0.422 mm 0.422 mm 541. WETTZELL EG 1984.06.12-17:54:08.616 0.021 mm 0.422 mm 0.422 mm 542. WETTZELL NG 1984.06.13-01:54:08.616 -0.006 mm 0.377 mm 0.377 mm 543. WETTZELL EG 1984.06.13-01:54:08.616 -0.003 mm 0.377 mm 0.377 mm 544. WETTZELL NG 1984.06.13-09:54:08.616 -0.013 mm 0.377 mm 0.377 mm 545. WETTZELL EG 1984.06.13-09:54:08.616 -0.017 mm 0.377 mm 0.377 mm 546. WETTZELL NG 1984.06.13-17:54:08.616 0.004 mm 0.422 mm 0.422 mm 547. WETTZELL EG 1984.06.13-17:54:08.616 -0.002 mm 0.422 mm 0.422 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.14 ps/h NRMS 0.30 share 0.91 count 76 2. ONSALA60 Input 50.00 ps/h RMS 10.87 ps/h NRMS 0.22 share 0.95 count 76 4. RICHMOND Input 50.00 ps/h RMS 21.34 ps/h NRMS 0.43 share 0.92 count 76 5. WESTFORD Input 50.00 ps/h RMS 19.70 ps/h NRMS 0.39 share 0.85 count 76 6. WETTZELL Input 50.00 ps/h RMS 8.57 ps/h NRMS 0.17 share 0.91 count 76 Overall RMS 15.90 ps/h NRMS 0.32 share 0.91 count 380 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 4. RICHMOND Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 5. WESTFORD Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 6. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 40 Clock Constraint Statistics 2. ONSALA60 Input 5.00 D-14 RMS 1.32 D-14 NRMS 0.26 share 0.76 count 26 4. RICHMOND Input 5.00 D-14 RMS 3.04 D-14 NRMS 0.61 share 0.35 count 26 5. WESTFORD Input 5.00 D-14 RMS 2.95 D-14 NRMS 0.59 share 0.31 count 26 6. WETTZELL Input 5.00 D-14 RMS 2.26 D-14 NRMS 0.45 share 0.40 count 26 Overall RMS 2.49 D-14 NRMS 0.50 share 0.45 count 104 548. UT1-TAI 1, 1984.06.13-06:20:00.000 -0.7726 ms/d 2.06 micros/d 61.68 micros/d 61.70 micros/d EOP epoch (TDT) MJD: 45864.264261 NUT epoch (TDT) MJD: 45864.141289 549. Nutation DPSI wrt apriori model 1984.06.13-06:20:07.656 -0.650 mas 1082.5 microasec 1082.8 microasec Nutation Dx wrt apriori model 1984.06.13-06:20:07.656 -0.256 mas 429.1 microasec 429.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.06.13-06:20:07.656 1.094 mas 1082.5 microasec 1082.8 microasec 550. Nutation DEPS wrt apriori model 1984.06.13-06:20:07.656 -0.820 mas 437.9 microasec 438.0 microasec Nutation Dy wrt apriori model 1984.06.13-06:20:07.656 -0.821 mas 439.4 microasec 439.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.06.13-06:20:07.656 -0.568 mas 437.9 microasec 438.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1025 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.06.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732304.18 51.10 7940732304.18 51.10 232.00 12.41 90.01 69.86 HRAS_085 7216 to RICHMOND 7219 2362632837.04 13.41 2362632837.04 13.41 70.00 9.03 71.66 71.10 HRAS_085 7216 to WESTFORD 7209 3134928026.14 15.83 3134928026.14 15.83 105.27 6.56 169.69 59.66 HRAS_085 7216 to WETTZELL 7224 8417561505.30 46.07 8417561505.30 46.07 297.25 8.68 87.92 53.94 ONSALA60 7213 to RICHMOND 7219 7307152598.18 38.94 7307152598.18 38.94 166.70 12.86 41.74 64.84 ONSALA60 7213 to WESTFORD 7209 5600741519.86 25.49 5600741519.86 25.49 83.45 11.16 49.37 62.74 ONSALA60 7213 to WETTZELL 7224 919661005.66 11.92 919661005.66 11.92 59.77 12.41 44.15 61.54 RICHMOND 7219 to WESTFORD 7209 2044501754.70 10.30 2044501754.70 10.30 106.53 6.01 68.85 39.75 RICHMOND 7219 to WETTZELL 7224 7588398531.51 31.88 7588398531.51 31.88 216.96 10.14 -46.72 47.11 WESTFORD 7209 to WETTZELL 7224 5998325352.88 20.41 5998325352.88 20.41 153.30 7.24 -31.28 40.29 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:38 Correlator type: Unknown Experiment code: ia185 Mark-3 db_name: $84JUN17X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840617_a Ver 2 ia185 Matrix Condition Number = 1.718910315104493E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.9 1.1 840.1 0.7 94.1 3.9 RICHMOND MET 24.3 2.1 1016.9 0.6 59.4 1.4 WESTFORD MET 17.9 2.0 1005.1 1.4 18.2 17.3 WETTZELL MET 14.2 3.2 955.1 1.5 56.3 3.1 Run 26091-1745 416 Observation Pairs Available Session started on: 2445869.253500 1984.06.17 18:05:02.400 UTC Nominal duration: 86978.880 sec 01 00:09:38.880 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 360 43.962 ps 0.82 0.9773 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 370 Number of potentially good observations with QC 5-9: 370 Number of used observations: 360 ( 97.30%) Number of suppressed observations: 10 ( 2.70%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 54 58 29.966 0.75 19840617_a ia185 1984.06.18-06:09:51.8 BAS_STAT HRAS_085 WESTFORD 65 66 35.200 0.80 19840617_a ia185 1984.06.18-06:09:51.8 BAS_STAT HRAS_085 WETTZELL 41 41 43.260 0.80 19840617_a ia185 1984.06.18-06:09:51.8 BAS_STAT RICHMOND WESTFORD 69 69 82.663 0.92 19840617_a ia185 1984.06.18-06:09:51.8 BAS_STAT RICHMOND WETTZELL 39 42 65.079 0.80 19840617_a ia185 1984.06.18-06:09:51.8 BAS_STAT WESTFORD WETTZELL 92 94 45.411 0.81 19840617_a ia185 1984.06.18-06:09:51.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 20 21 23 52.610 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 0212+735 J0217+7349 27 29 39 55.776 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 0229+131 J0231+1322 19 20 23 42.300 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 0528+134 J0530+1331 23 24 27 58.719 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 0552+398 J0555+3948 32 32 35 39.613 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 1803+784 J1800+7828 28 28 31 45.029 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 2134+00 J2136+0041 25 25 25 32.518 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 3C273B J1229+0203 19 19 20 17.932 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 3C345 J1642+3948 32 34 39 33.414 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 3C454.3 J2253+1608 23 23 23 50.715 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: 4C39.25 J0927+3902 25 26 32 43.523 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: OJ287 J0854+2006 31 32 32 47.247 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: OQ208 J1407+2827 31 31 32 74.643 19840617_a ia185 1984.06.18-06:09:51.840 SRC_STAT: VR422201 J2202+4216 25 26 35 76.982 19840617_a ia185 1984.06.18-06:09:51.840 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.06.18-06:09:19 1. HRAS_085 7216 NOAM X Comp -1324211068.61 mm -51.614 mm 8.626 mm 8.528 mm 2. HRAS_085 7216 NOAM Y Comp -5332023071.74 mm 10.262 mm 27.400 mm 27.087 mm 3. HRAS_085 7216 NOAM Z Comp 3232118458.82 mm 151.819 mm 17.975 mm 17.769 mm HRAS_085 7216 U Comp 79.50 mm 79.501 mm 32.684 mm 26.804 mm HRAS_085 7216 E Comp -52.57 mm -52.566 mm 6.029 mm 4.944 mm HRAS_085 7216 N Comp 129.36 mm 129.363 mm 6.611 mm 5.421 mm 4. HRAS_085 CL 0 1984.06.17-18:04:30.216 6734.104 ns 0.237 ns 0.235 ns 5. HRAS_085 CL 1 1984.06.17-18:04:30.216 87.202 D-14 2.069 D-14 2.046 D-14 6. HRAS_085 CL 2 1984.06.17-18:04:30.216 0.052 D-14/day 1.786 D-14/day 1.766 D-14/day 32. HRAS_085 AT 0 1984.06.17-18:04:30.216 73.174 ps 93.800 ps 92.728 ps HRAS_085 Atm 1984.06.18-06:35:02.400 Avg: 37.099 ps Rms: 39.313 ps Tot_Rms: 54.054 ps || Nat: 79 Dura: 86980.0 sec Tzd_avg: 7049.9 Tzd_rms: 33.8 Wzd_avg: 686.3 Wzd_rms: 34.6 ps Prs_avg: 84006. Pa Tem_avg: 14.9 C Stm_avg: -4.4 C Stm_rms: 0.9 K Spr_avg: 23. Spr_rms: 41. Pa 108. HRAS_085 NG 1984.06.17-18:03:30.216 0.015 mm 0.422 mm 0.417 mm 109. HRAS_085 EG 1984.06.17-18:03:30.216 -0.005 mm 0.422 mm 0.417 mm 110. HRAS_085 NG 1984.06.18-02:03:30.216 0.019 mm 0.377 mm 0.372 mm 111. HRAS_085 EG 1984.06.18-02:03:30.216 0.034 mm 0.377 mm 0.372 mm 112. HRAS_085 NG 1984.06.18-10:03:30.216 -0.012 mm 0.377 mm 0.372 mm 113. HRAS_085 EG 1984.06.18-10:03:30.216 -0.010 mm 0.377 mm 0.372 mm 114. HRAS_085 NG 1984.06.18-18:03:30.216 -0.025 mm 0.422 mm 0.417 mm 115. HRAS_085 EG 1984.06.18-18:03:30.216 -0.027 mm 0.422 mm 0.417 mm 116. RICHMOND 7219 NOAM X Comp 961257965.01 mm -53.987 mm 6.631 mm 6.555 mm 117. RICHMOND 7219 NOAM Y Comp -5674090005.41 mm 44.586 mm 23.354 mm 23.087 mm 118. RICHMOND 7219 NOAM Z Comp 2740533836.19 mm 38.191 mm 13.901 mm 13.743 mm RICHMOND 7219 U Comp -31.26 mm -31.261 mm 26.323 mm 21.588 mm RICHMOND 7219 E Comp -45.78 mm -45.782 mm 6.244 mm 5.121 mm RICHMOND 7219 N Comp 57.34 mm 57.340 mm 7.121 mm 5.840 mm 119. RICHMOND CL 0 1984.06.17-18:04:30.216 10114.388 ns 0.164 ns 0.162 ns 120. RICHMOND CL 1 1984.06.17-18:04:30.216 102.362 D-14 2.067 D-14 2.043 D-14 121. RICHMOND CL 2 1984.06.17-18:04:30.216 -6.091 D-14/day 1.784 D-14/day 1.763 D-14/day 147. RICHMOND AT 0 1984.06.17-18:04:30.216 -161.991 ps 66.531 ps 65.771 ps RICHMOND Atm 1984.06.18-06:35:02.400 Avg: -78.850 ps Rms: 90.465 ps Tot_Rms: 120.005 ps || Nat: 92 Dura: 86980.0 sec Tzd_avg: 8755.2 Tzd_rms: 91.7 Wzd_avg: 1061.4 Wzd_rms: 93.5 ps Prs_avg: 101690. Pa Tem_avg: 24.4 C Stm_avg: -2.1 C Stm_rms: 1.7 K Spr_avg: 26. Spr_rms: 45. Pa 223. RICHMOND NG 1984.06.17-18:03:30.216 -0.040 mm 0.422 mm 0.417 mm 224. RICHMOND EG 1984.06.17-18:03:30.216 0.064 mm 0.422 mm 0.417 mm 225. RICHMOND NG 1984.06.18-02:03:30.216 -0.030 mm 0.377 mm 0.372 mm 226. RICHMOND EG 1984.06.18-02:03:30.216 -0.045 mm 0.376 mm 0.372 mm 227. RICHMOND NG 1984.06.18-10:03:30.216 0.010 mm 0.377 mm 0.373 mm 228. RICHMOND EG 1984.06.18-10:03:30.216 -0.047 mm 0.377 mm 0.372 mm 229. RICHMOND NG 1984.06.18-18:03:30.216 0.036 mm 0.422 mm 0.417 mm 230. RICHMOND EG 1984.06.18-18:03:30.216 -0.001 mm 0.421 mm 0.417 mm 231. WESTFORD 7209 NOAM X Comp 1492206580.01 mm 37.007 mm 5.956 mm 5.888 mm 232. WESTFORD 7209 NOAM Y Comp -4458130409.13 mm 112.870 mm 14.035 mm 13.874 mm 233. WESTFORD 7209 NOAM Z Comp 4296015503.48 mm -43.524 mm 12.544 mm 12.400 mm WESTFORD 7209 U Comp -99.59 mm -99.594 mm 17.980 mm 14.745 mm WESTFORD 7209 E Comp 70.92 mm 70.920 mm 6.524 mm 5.350 mm WESTFORD 7209 N Comp 32.48 mm 32.483 mm 4.895 mm 4.014 mm 234. WESTFORD AT 0 1984.06.17-18:04:30.216 -4.858 ps 31.094 ps 30.739 ps WESTFORD Atm 1984.06.18-06:35:02.400 Avg: 8.247 ps Rms: 32.627 ps Tot_Rms: 33.653 ps || Nat: 134 Dura: 85900.0 sec Tzd_avg: 8189.0 Tzd_rms: 92.8 Wzd_avg: 589.7 Wzd_rms: 106.8 ps Prs_avg: 100519. Pa Tem_avg: 18.0 C Stm_avg: 1.0 C Stm_rms: 1.2 K Spr_avg: 172. Spr_rms: 30. Pa 310. WESTFORD NG 1984.06.17-18:03:30.216 0.028 mm 0.422 mm 0.417 mm 311. WESTFORD EG 1984.06.17-18:03:30.216 -0.050 mm 0.421 mm 0.416 mm 312. WESTFORD NG 1984.06.18-02:03:30.216 0.004 mm 0.376 mm 0.372 mm 313. WESTFORD EG 1984.06.18-02:03:30.216 0.023 mm 0.375 mm 0.371 mm 314. WESTFORD NG 1984.06.18-10:03:30.216 -0.025 mm 0.377 mm 0.372 mm 315. WESTFORD EG 1984.06.18-10:03:30.216 0.051 mm 0.376 mm 0.372 mm 316. WESTFORD NG 1984.06.18-18:03:30.216 -0.034 mm 0.422 mm 0.417 mm 317. WESTFORD EG 1984.06.18-18:03:30.216 0.042 mm 0.421 mm 0.416 mm 318. WETTZELL 7224 EURA X Comp 4075539909.59 mm 68.594 mm 13.517 mm 13.363 mm 319. WETTZELL 7224 EURA Y Comp 931735146.28 mm -167.718 mm 13.279 mm 13.128 mm 320. WETTZELL 7224 EURA Z Comp 4801629246.51 mm -146.487 mm 18.269 mm 18.060 mm WETTZELL 7224 U Comp -91.51 mm -91.507 mm 21.057 mm 17.269 mm WETTZELL 7224 E Comp -178.79 mm -178.787 mm 13.092 mm 10.737 mm WETTZELL 7224 N Comp -118.13 mm -118.129 mm 8.833 mm 7.244 mm 321. WETTZELL CL 0 1984.06.17-18:04:30.216 -2256.785 ns 0.156 ns 0.154 ns 322. WETTZELL CL 1 1984.06.17-18:04:30.216 -159.934 D-14 2.108 D-14 2.084 D-14 323. WETTZELL CL 2 1984.06.17-18:04:30.216 -2.830 D-14/day 1.840 D-14/day 1.819 D-14/day 349. WETTZELL AT 0 1984.06.17-18:04:30.216 -75.770 ps 41.416 ps 40.943 ps WETTZELL Atm 1984.06.18-06:35:02.400 Avg: -60.172 ps Rms: 14.249 ps Tot_Rms: 61.836 ps || Nat: 96 Dura: 84780.0 sec Tzd_avg: 7592.3 Tzd_rms: 20.3 Wzd_avg: 393.5 Wzd_rms: 15.8 ps Prs_avg: 95496. Pa Tem_avg: 13.9 C Stm_avg: -1.9 C Stm_rms: 1.6 K Spr_avg: 474. Spr_rms: 23. Pa 425. WETTZELL NG 1984.06.17-18:03:30.216 -0.005 mm 0.422 mm 0.417 mm 426. WETTZELL EG 1984.06.17-18:03:30.216 0.007 mm 0.422 mm 0.417 mm 427. WETTZELL NG 1984.06.18-02:03:30.216 0.015 mm 0.377 mm 0.372 mm 428. WETTZELL EG 1984.06.18-02:03:30.216 0.016 mm 0.377 mm 0.373 mm 429. WETTZELL NG 1984.06.18-10:03:30.216 0.003 mm 0.377 mm 0.373 mm 430. WETTZELL EG 1984.06.18-10:03:30.216 0.013 mm 0.377 mm 0.373 mm 431. WETTZELL NG 1984.06.18-18:03:30.216 0.018 mm 0.422 mm 0.417 mm 432. WETTZELL EG 1984.06.18-18:03:30.216 0.008 mm 0.422 mm 0.417 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.63 ps/h NRMS 0.27 share 0.90 count 76 2. RICHMOND Input 50.00 ps/h RMS 16.79 ps/h NRMS 0.34 share 0.91 count 76 3. WESTFORD Input 50.00 ps/h RMS 17.97 ps/h NRMS 0.36 share 0.82 count 76 4. WETTZELL Input 50.00 ps/h RMS 12.15 ps/h NRMS 0.24 share 0.85 count 76 Overall RMS 15.31 ps/h NRMS 0.31 share 0.87 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.11 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.97 D-14 NRMS 0.39 share 0.30 count 26 2. RICHMOND Input 5.00 D-14 RMS 2.71 D-14 NRMS 0.54 share 0.30 count 26 4. WETTZELL Input 5.00 D-14 RMS 1.63 D-14 NRMS 0.33 share 0.30 count 26 Overall RMS 2.15 D-14 NRMS 0.43 share 0.30 count 78 433. UT1-TAI 1, 1984.06.18-06:09:00.000 -0.8590 ms/d 41.59 micros/d 55.05 micros/d 54.42 micros/d EOP epoch (TDT) MJD: 45869.256623 NUT epoch (TDT) MJD: 45869.287085 434. Nutation DPSI wrt apriori model 1984.06.18-06:09:19.656 -1.497 mas 849.7 microasec 840.0 microasec Nutation Dx wrt apriori model 1984.06.18-06:09:19.656 -0.595 mas 337.0 microasec 333.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.06.18-06:09:19.656 -0.037 mas 849.7 microasec 840.0 microasec 435. Nutation DEPS wrt apriori model 1984.06.18-06:09:19.656 -0.147 mas 291.8 microasec 288.5 microasec Nutation Dy wrt apriori model 1984.06.18-06:09:19.656 -0.150 mas 293.0 microasec 289.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.06.18-06:09:19.656 -0.441 mas 291.8 microasec 288.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0528 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.06.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632839.01 10.67 2362632839.01 10.67 82.02 7.18 84.26 51.84 HRAS_085 7216 to WESTFORD 7209 3134928018.13 11.43 3134928018.13 11.43 123.03 5.38 199.11 44.20 HRAS_085 7216 to WETTZELL 7224 8417561508.72 32.65 8417561508.72 32.65 323.70 6.31 134.24 39.17 RICHMOND 7219 to WESTFORD 7209 2044501745.86 9.14 2044501745.86 9.14 112.84 5.56 82.97 34.47 RICHMOND 7219 to WETTZELL 7224 7588398530.36 24.31 7588398530.36 24.31 244.14 7.41 -22.38 36.63 WESTFORD 7209 to WETTZELL 7224 5998325354.16 14.05 5998325354.16 14.05 169.73 4.40 -20.26 30.66 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:41 Correlator type: Unknown Experiment code: ia186 Mark-3 db_name: $84JUN22XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840622_a Ver 2 ia186 Matrix Condition Number = 2.942145661057459E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.2 3.1 840.0 1.0 67.3 5.2 RICHMOND MET 21.7 4.0 1012.8 0.6 68.2 10.9 WESTFORD MET 19.5 2.9 1005.4 0.4 15.4 0.1 WETTZELL MET 14.6 1.2 944.3 1.0 51.7 1.9 Run 26091-1745 427 Observation Pairs Available Session started on: 2445874.260600 1984.06.22 18:15:15.840 UTC Nominal duration: 85164.480 sec 00 23:39:24.480 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 331 53.777 ps 0.97 1.3717 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 340 Number of potentially good observations with QC 5-9: 340 Number of used observations: 331 ( 97.35%) Number of suppressed observations: 9 ( 2.65%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 53 56 36.397 0.98 19840622_a ia186 1984.06.23-06:04:58.0 BAS_STAT HRAS_085 WESTFORD 72 74 67.051 0.97 19840622_a ia186 1984.06.23-06:04:58.0 BAS_STAT HRAS_085 WETTZELL 39 39 93.652 0.97 19840622_a ia186 1984.06.23-06:04:58.0 BAS_STAT RICHMOND WESTFORD 54 57 48.773 1.00 19840622_a ia186 1984.06.23-06:04:58.0 BAS_STAT RICHMOND WETTZELL 31 32 150.094 1.05 19840622_a ia186 1984.06.23-06:04:58.0 BAS_STAT WESTFORD WETTZELL 82 82 51.391 0.90 19840622_a ia186 1984.06.23-06:04:58.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 18 23 66.744 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 0212+735 J0217+7349 30 30 43 78.582 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 0229+131 J0231+1322 19 23 27 49.597 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 0528+134 J0530+1331 25 25 31 98.357 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 0552+398 J0555+3948 33 34 37 51.692 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 1803+784 J1800+7828 26 26 32 59.035 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 2134+00 J2136+0041 18 18 24 35.723 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 3C273B J1229+0203 23 23 24 23.860 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 3C345 J1642+3948 35 37 39 43.187 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 3C454.3 J2253+1608 13 13 23 54.874 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: 4C39.25 J0927+3902 27 27 32 66.926 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: OJ287 J0854+2006 25 27 28 88.857 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: OQ208 J1407+2827 20 20 28 97.859 19840622_a ia186 1984.06.23-06:04:58.080 SRC_STAT: VR422201 J2202+4216 19 19 36 91.168 19840622_a ia186 1984.06.23-06:04:58.080 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.06.23-06:04:25 1. HRAS_085 7216 NOAM X Comp -1324211041.44 mm -24.438 mm 10.237 mm 11.990 mm 2. HRAS_085 7216 NOAM Y Comp -5332023046.61 mm 35.392 mm 35.227 mm 41.258 mm 3. HRAS_085 7216 NOAM Z Comp 3232118424.57 mm 117.571 mm 22.724 mm 26.614 mm HRAS_085 7216 U Comp 35.43 mm 35.428 mm 41.825 mm 40.461 mm HRAS_085 7216 E Comp -32.25 mm -32.248 mm 7.186 mm 6.951 mm HRAS_085 7216 N Comp 115.66 mm 115.661 mm 7.822 mm 7.567 mm 4. HRAS_085 CL 0 1984.06.22-18:14:43.656 6919.618 ns 0.296 ns 0.346 ns 5. HRAS_085 CL 1 1984.06.22-18:14:43.656 91.299 D-14 2.158 D-14 2.527 D-14 6. HRAS_085 CL 2 1984.06.22-18:14:43.656 6.980 D-14/day 1.877 D-14/day 2.199 D-14/day 31. HRAS_085 AT 0 1984.06.22-18:14:43.656 3.473 ps 102.667 ps 120.244 ps HRAS_085 Atm 1984.06.23-06:15:15.840 Avg: 26.966 ps Rms: 17.843 ps Tot_Rms: 32.335 ps || Nat: 92 Dura: 84840.0 sec Tzd_avg: 6978.5 Tzd_rms: 33.1 Wzd_avg: 612.3 Wzd_rms: 38.8 ps Prs_avg: 84002. Pa Tem_avg: 19.2 C Stm_avg: -3.1 C Stm_rms: 1.8 K Spr_avg: 15. Spr_rms: 50. Pa 104. HRAS_085 NG 1984.06.22-18:13:43.656 0.023 mm 0.422 mm 0.494 mm 105. HRAS_085 EG 1984.06.22-18:13:43.656 0.009 mm 0.422 mm 0.494 mm 106. HRAS_085 NG 1984.06.23-02:13:43.656 0.037 mm 0.377 mm 0.441 mm 107. HRAS_085 EG 1984.06.23-02:13:43.656 0.003 mm 0.377 mm 0.441 mm 108. HRAS_085 NG 1984.06.23-10:13:43.656 0.004 mm 0.377 mm 0.441 mm 109. HRAS_085 EG 1984.06.23-10:13:43.656 0.004 mm 0.377 mm 0.441 mm 110. HRAS_085 NG 1984.06.23-18:13:43.656 0.001 mm 0.422 mm 0.494 mm 111. HRAS_085 EG 1984.06.23-18:13:43.656 -0.034 mm 0.422 mm 0.494 mm 112. RICHMOND 7219 NOAM X Comp 961257953.08 mm -65.916 mm 7.836 mm 9.178 mm 113. RICHMOND 7219 NOAM Y Comp -5674089975.53 mm 74.468 mm 28.028 mm 32.826 mm 114. RICHMOND 7219 NOAM Z Comp 2740533813.98 mm 15.985 mm 17.073 mm 19.996 mm RICHMOND 7219 U Comp -69.22 mm -69.225 mm 32.017 mm 30.973 mm RICHMOND 7219 E Comp -52.55 mm -52.552 mm 7.391 mm 7.150 mm RICHMOND 7219 N Comp 50.91 mm 50.914 mm 7.664 mm 7.414 mm 115. RICHMOND CL 0 1984.06.22-18:14:43.656 10448.851 ns 0.277 ns 0.325 ns 116. RICHMOND CL 1 1984.06.22-18:14:43.656 56.697 D-14 2.283 D-14 2.674 D-14 117. RICHMOND CL 2 1984.06.22-18:14:43.656 2.771 D-14/day 1.963 D-14/day 2.299 D-14/day 142. RICHMOND AT 0 1984.06.22-18:14:43.656 227.741 ps 79.033 ps 92.563 ps RICHMOND Atm 1984.06.23-06:15:15.840 Avg: 44.329 ps Rms: 102.794 ps Tot_Rms: 111.944 ps || Nat: 88 Dura: 83340.0 sec Tzd_avg: 8666.7 Tzd_rms: 30.3 Wzd_avg: 997.3 Wzd_rms: 29.6 ps Prs_avg: 101283. Pa Tem_avg: 21.9 C Stm_avg: -5.9 C Stm_rms: 3.8 K Spr_avg: -31. Spr_rms: 34. Pa 215. RICHMOND NG 1984.06.22-18:13:43.656 0.005 mm 0.422 mm 0.494 mm 216. RICHMOND EG 1984.06.22-18:13:43.656 -0.053 mm 0.422 mm 0.494 mm 217. RICHMOND NG 1984.06.23-02:13:43.656 0.000 mm 0.377 mm 0.441 mm 218. RICHMOND EG 1984.06.23-02:13:43.656 -0.037 mm 0.377 mm 0.441 mm 219. RICHMOND NG 1984.06.23-10:13:43.656 -0.008 mm 0.377 mm 0.441 mm 220. RICHMOND EG 1984.06.23-10:13:43.656 0.022 mm 0.377 mm 0.441 mm 221. RICHMOND NG 1984.06.23-18:13:43.656 -0.006 mm 0.422 mm 0.494 mm 222. RICHMOND EG 1984.06.23-18:13:43.656 0.065 mm 0.422 mm 0.494 mm 223. WESTFORD 7209 NOAM X Comp 1492206572.17 mm 29.174 mm 7.162 mm 8.388 mm 224. WESTFORD 7209 NOAM Y Comp -4458130425.68 mm 96.318 mm 15.728 mm 18.421 mm 225. WESTFORD 7209 NOAM Z Comp 4296015518.59 mm -28.408 mm 14.325 mm 16.777 mm WESTFORD 7209 U Comp -79.64 mm -79.638 mm 20.332 mm 19.669 mm WESTFORD 7209 E Comp 58.24 mm 58.237 mm 7.808 mm 7.554 mm WESTFORD 7209 N Comp 34.66 mm 34.663 mm 5.431 mm 5.254 mm 226. WESTFORD AT 0 1984.06.22-18:14:43.656 91.499 ps 31.091 ps 36.414 ps WESTFORD Atm 1984.06.23-06:15:15.840 Avg: 10.268 ps Rms: 45.113 ps Tot_Rms: 46.267 ps || Nat: 137 Dura: 85170.0 sec Tzd_avg: 7958.4 Tzd_rms: 69.5 Wzd_avg: 348.2 Wzd_rms: 73.2 ps Prs_avg: 100540. Pa Tem_avg: 19.5 C Stm_avg: 0.9 C Stm_rms: 1.4 K Spr_avg: 157. Spr_rms: 56. Pa 299. WESTFORD NG 1984.06.22-18:13:43.656 -0.015 mm 0.422 mm 0.494 mm 300. WESTFORD EG 1984.06.22-18:13:43.656 0.024 mm 0.421 mm 0.493 mm 301. WESTFORD NG 1984.06.23-02:13:43.656 -0.025 mm 0.377 mm 0.441 mm 302. WESTFORD EG 1984.06.23-02:13:43.656 0.013 mm 0.376 mm 0.440 mm 303. WESTFORD NG 1984.06.23-10:13:43.656 0.038 mm 0.376 mm 0.441 mm 304. WESTFORD EG 1984.06.23-10:13:43.656 -0.031 mm 0.376 mm 0.440 mm 305. WESTFORD NG 1984.06.23-18:13:43.656 -0.006 mm 0.422 mm 0.494 mm 306. WESTFORD EG 1984.06.23-18:13:43.656 -0.017 mm 0.421 mm 0.494 mm 307. WETTZELL 7224 EURA X Comp 4075539902.18 mm 61.181 mm 16.586 mm 19.425 mm 308. WETTZELL 7224 EURA Y Comp 931735107.82 mm -206.178 mm 14.384 mm 16.847 mm 309. WETTZELL 7224 EURA Z Comp 4801629287.85 mm -105.147 mm 21.726 mm 25.445 mm WETTZELL 7224 U Comp -70.57 mm -70.573 mm 25.651 mm 24.815 mm WETTZELL 7224 E Comp -214.63 mm -214.627 mm 14.098 mm 13.638 mm WETTZELL 7224 N Comp -79.14 mm -79.138 mm 9.862 mm 9.540 mm 310. WETTZELL CL 0 1984.06.22-18:14:43.656 -3203.731 ns 0.174 ns 0.204 ns 311. WETTZELL CL 1 1984.06.22-18:14:43.656 -180.328 D-14 2.117 D-14 2.479 D-14 312. WETTZELL CL 2 1984.06.22-18:14:43.656 0.438 D-14/day 1.863 D-14/day 2.182 D-14/day 337. WETTZELL AT 0 1984.06.22-18:14:43.656 -4.396 ps 38.628 ps 45.242 ps WETTZELL Atm 1984.06.23-06:15:15.840 Avg: -32.394 ps Rms: 26.925 ps Tot_Rms: 42.123 ps || Nat: 92 Dura: 84630.0 sec Tzd_avg: 7539.0 Tzd_rms: 105.2 Wzd_avg: 422.9 Wzd_rms: 113.3 ps Prs_avg: 94430. Pa Tem_avg: 14.7 C Stm_avg: 0.8 C Stm_rms: 0.8 K Spr_avg: 486. Spr_rms: 26. Pa 410. WETTZELL NG 1984.06.22-18:13:43.656 -0.004 mm 0.422 mm 0.494 mm 411. WETTZELL EG 1984.06.22-18:13:43.656 0.015 mm 0.422 mm 0.495 mm 412. WETTZELL NG 1984.06.23-02:13:43.656 0.013 mm 0.377 mm 0.441 mm 413. WETTZELL EG 1984.06.23-02:13:43.656 0.017 mm 0.377 mm 0.442 mm 414. WETTZELL NG 1984.06.23-10:13:43.656 -0.007 mm 0.377 mm 0.441 mm 415. WETTZELL EG 1984.06.23-10:13:43.656 -0.014 mm 0.377 mm 0.442 mm 416. WETTZELL NG 1984.06.23-18:13:43.656 0.009 mm 0.422 mm 0.495 mm 417. WETTZELL EG 1984.06.23-18:13:43.656 -0.010 mm 0.422 mm 0.495 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 12.77 ps/h NRMS 0.26 share 0.92 count 73 2. RICHMOND Input 50.00 ps/h RMS 21.25 ps/h NRMS 0.43 share 0.91 count 73 3. WESTFORD Input 50.00 ps/h RMS 17.26 ps/h NRMS 0.35 share 0.82 count 73 4. WETTZELL Input 50.00 ps/h RMS 16.32 ps/h NRMS 0.33 share 0.87 count 73 Overall RMS 17.17 ps/h NRMS 0.34 share 0.88 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.12 D-14 NRMS 0.62 share 0.29 count 25 2. RICHMOND Input 5.00 D-14 RMS 2.89 D-14 NRMS 0.58 share 0.32 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.93 D-14 NRMS 0.59 share 0.31 count 25 Overall RMS 2.98 D-14 NRMS 0.60 share 0.31 count 75 418. UT1-TAI 1, 1984.06.23-06:05:00.000 -1.3297 ms/d -32.88 micros/d 56.75 micros/d 66.47 micros/d EOP epoch (TDT) MJD: 45874.253845 NUT epoch (TDT) MJD: 45874.242345 419. Nutation DPSI wrt apriori model 1984.06.23-06:04:25.896 -0.535 mas 929.0 microasec 1088.0 microasec Nutation Dx wrt apriori model 1984.06.23-06:04:25.896 -0.210 mas 368.4 microasec 431.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.06.23-06:04:25.896 0.081 mas 929.0 microasec 1088.0 microasec 420. Nutation DEPS wrt apriori model 1984.06.23-06:04:25.896 -0.715 mas 348.3 microasec 407.9 microasec Nutation Dy wrt apriori model 1984.06.23-06:04:25.896 -0.716 mas 349.6 microasec 409.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.06.23-06:04:25.896 -0.546 mas 348.3 microasec 407.9 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4890 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.06.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632797.99 11.72 2362632797.99 11.72 79.42 7.36 81.56 67.45 HRAS_085 7216 to WESTFORD 7209 3134927991.81 13.90 3134927991.81 13.90 94.96 5.79 136.51 54.92 HRAS_085 7216 to WETTZELL 7224 8417561453.31 40.46 8417561453.31 40.46 291.48 7.07 51.51 47.29 RICHMOND 7219 to WESTFORD 7209 2044501747.70 8.73 2044501747.70 8.73 104.43 5.34 23.88 38.35 RICHMOND 7219 to WETTZELL 7224 7588398489.98 27.59 7588398489.98 27.59 219.83 7.58 -103.05 43.33 WESTFORD 7209 to WETTZELL 7224 5998325336.86 16.74 5998325336.86 16.74 161.55 5.06 -48.58 36.74 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:44 Correlator type: Unknown Experiment code: ia187 Mark-3 db_name: $84JUN27XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840627_a Ver 2 ia187 Matrix Condition Number = 1.798647847667017E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.7 3.4 840.5 1.4 56.5 12.9 RICHMOND MET 24.1 1.8 1014.4 1.4 60.7 4.4 WESTFORD MET 20.5 1.8 999.1 0.9 18.4 18.2 WETTZELL MET 15.7 2.0 945.5 1.6 53.8 23.3 Run 26091-1745 434 Observation Pairs Available Session started on: 2445879.251200 1984.06.27 18:01:43.680 UTC Nominal duration: 86520.960 sec 01 00:02:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 376 54.502 ps 0.98 1.3779 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 384 Number of potentially good observations with QC 5-9: 384 Number of used observations: 376 ( 97.92%) Number of suppressed observations: 8 ( 2.08%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 61 64 51.664 1.05 19840627_a ia187 1984.06.28-06:02:44.1 BAS_STAT HRAS_085 WESTFORD 79 80 41.491 0.89 19840627_a ia187 1984.06.28-06:02:44.1 BAS_STAT HRAS_085 WETTZELL 45 45 51.480 0.87 19840627_a ia187 1984.06.28-06:02:44.1 BAS_STAT RICHMOND WESTFORD 66 68 48.738 1.00 19840627_a ia187 1984.06.28-06:02:44.1 BAS_STAT RICHMOND WETTZELL 35 37 110.992 1.07 19840627_a ia187 1984.06.28-06:02:44.1 BAS_STAT WESTFORD WETTZELL 90 90 74.968 1.01 19840627_a ia187 1984.06.28-06:02:44.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 20 20 22 73.053 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 0212+735 J0217+7349 26 26 40 88.588 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 0229+131 J0231+1322 22 26 27 57.510 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 0528+134 J0530+1331 31 32 32 84.702 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 0552+398 J0555+3948 34 34 37 51.905 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 1803+784 J1800+7828 27 27 33 61.763 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 2134+00 J2136+0041 25 25 25 46.340 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 3C273B J1229+0203 23 23 25 23.250 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 3C345 J1642+3948 35 36 40 38.107 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 3C454.3 J2253+1608 20 20 20 57.938 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: 4C39.25 J0927+3902 27 28 33 50.220 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: OJ287 J0854+2006 33 34 34 57.404 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: OQ208 J1407+2827 31 31 33 83.215 19840627_a ia187 1984.06.28-06:02:44.160 SRC_STAT: VR422201 J2202+4216 22 22 33 94.551 19840627_a ia187 1984.06.28-06:02:44.160 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.06.28-06:02:11 1. HRAS_085 7216 NOAM X Comp -1324211053.62 mm -36.621 mm 9.133 mm 10.721 mm 2. HRAS_085 7216 NOAM Y Comp -5332023078.87 mm 3.133 mm 27.651 mm 32.459 mm 3. HRAS_085 7216 NOAM Z Comp 3232118454.74 mm 147.737 mm 18.340 mm 21.528 mm HRAS_085 7216 U Comp 80.26 mm 80.265 mm 32.955 mm 32.409 mm HRAS_085 7216 E Comp -36.30 mm -36.296 mm 6.729 mm 6.618 mm HRAS_085 7216 N Comp 124.17 mm 124.167 mm 7.281 mm 7.160 mm 4. HRAS_085 CL 0 1984.06.27-18:01:11.496 7332.199 ns 0.237 ns 0.278 ns 5. HRAS_085 CL 1 1984.06.27-18:01:11.496 87.004 D-14 2.138 D-14 2.509 D-14 6. HRAS_085 CL 2 1984.06.27-18:01:11.496 7.113 D-14/day 1.870 D-14/day 2.195 D-14/day 31. HRAS_085 AT 0 1984.06.27-18:01:11.496 13.686 ps 90.113 ps 105.779 ps HRAS_085 Atm 1984.06.28-06:01:43.680 Avg: 32.151 ps Rms: 25.569 ps Tot_Rms: 41.079 ps || Nat: 93 Dura: 86520.0 sec Tzd_avg: 7016.2 Tzd_rms: 38.9 Wzd_avg: 648.7 Wzd_rms: 36.9 ps Prs_avg: 84054. Pa Tem_avg: 18.7 C Stm_avg: -3.4 C Stm_rms: 0.8 K Spr_avg: 34. Spr_rms: 63. Pa 104. HRAS_085 NG 1984.06.27-18:00:11.496 0.011 mm 0.422 mm 0.495 mm 105. HRAS_085 EG 1984.06.27-18:00:11.496 0.005 mm 0.422 mm 0.495 mm 106. HRAS_085 NG 1984.06.28-02:00:11.496 0.018 mm 0.377 mm 0.442 mm 107. HRAS_085 EG 1984.06.28-02:00:11.496 -0.041 mm 0.377 mm 0.442 mm 108. HRAS_085 NG 1984.06.28-10:00:11.496 -0.022 mm 0.377 mm 0.442 mm 109. HRAS_085 EG 1984.06.28-10:00:11.496 0.016 mm 0.377 mm 0.442 mm 110. HRAS_085 NG 1984.06.28-18:00:11.496 -0.018 mm 0.422 mm 0.495 mm 111. HRAS_085 EG 1984.06.28-18:00:11.496 0.031 mm 0.422 mm 0.495 mm 112. RICHMOND 7219 NOAM X Comp 961257966.51 mm -52.488 mm 6.986 mm 8.200 mm 113. RICHMOND 7219 NOAM Y Comp -5674089958.66 mm 91.345 mm 24.009 mm 28.183 mm 114. RICHMOND 7219 NOAM Z Comp 2740533802.66 mm 4.664 mm 14.677 mm 17.229 mm RICHMOND 7219 U Comp -87.10 mm -87.100 mm 27.321 mm 26.868 mm RICHMOND 7219 E Comp -36.49 mm -36.493 mm 6.611 mm 6.502 mm RICHMOND 7219 N Comp 46.93 mm 46.930 mm 7.106 mm 6.988 mm 115. RICHMOND CL 0 1984.06.27-18:01:11.496 10610.554 ns 0.246 ns 0.289 ns 116. RICHMOND CL 1 1984.06.27-18:01:11.496 4.409 D-14 2.250 D-14 2.641 D-14 117. RICHMOND CL 2 1984.06.27-18:01:11.496 1.631 D-14/day 1.957 D-14/day 2.297 D-14/day 142. RICHMOND AT 0 1984.06.27-18:01:11.496 -85.193 ps 70.763 ps 83.065 ps RICHMOND Atm 1984.06.28-06:01:43.680 Avg: 130.101 ps Rms: 124.011 ps Tot_Rms: 179.736 ps || Nat: 89 Dura: 85020.0 sec Tzd_avg: 8539.6 Tzd_rms: 162.7 Wzd_avg: 852.9 Wzd_rms: 174.5 ps Prs_avg: 101443. Pa Tem_avg: 24.1 C Stm_avg: -3.3 C Stm_rms: 1.3 K Spr_avg: -38. Spr_rms: 79. Pa 215. RICHMOND NG 1984.06.27-18:00:11.496 -0.029 mm 0.422 mm 0.495 mm 216. RICHMOND EG 1984.06.27-18:00:11.496 0.043 mm 0.421 mm 0.495 mm 217. RICHMOND NG 1984.06.28-02:00:11.496 0.006 mm 0.377 mm 0.442 mm 218. RICHMOND EG 1984.06.28-02:00:11.496 0.023 mm 0.376 mm 0.442 mm 219. RICHMOND NG 1984.06.28-10:00:11.496 0.024 mm 0.377 mm 0.442 mm 220. RICHMOND EG 1984.06.28-10:00:11.496 -0.037 mm 0.376 mm 0.442 mm 221. RICHMOND NG 1984.06.28-18:00:11.496 -0.021 mm 0.422 mm 0.495 mm 222. RICHMOND EG 1984.06.28-18:00:11.496 -0.053 mm 0.421 mm 0.495 mm 223. WESTFORD 7209 NOAM X Comp 1492206588.37 mm 45.369 mm 6.598 mm 7.746 mm 224. WESTFORD 7209 NOAM Y Comp -4458130422.20 mm 99.801 mm 13.748 mm 16.139 mm 225. WESTFORD 7209 NOAM Z Comp 4296015526.44 mm -20.563 mm 12.562 mm 14.746 mm WESTFORD 7209 U Comp -72.97 mm -72.974 mm 17.840 mm 17.544 mm WESTFORD 7209 E Comp 74.70 mm 74.700 mm 6.915 mm 6.801 mm WESTFORD 7209 N Comp 39.19 mm 39.193 mm 4.927 mm 4.845 mm 226. WESTFORD AT 0 1984.06.27-18:01:11.496 -71.075 ps 29.893 ps 35.090 ps WESTFORD Atm 1984.06.28-06:01:43.680 Avg: -2.466 ps Rms: 53.536 ps Tot_Rms: 53.593 ps || Nat: 138 Dura: 84660.0 sec Tzd_avg: 8201.6 Tzd_rms: 131.8 Wzd_avg: 651.4 Wzd_rms: 130.6 ps Prs_avg: 99907. Pa Tem_avg: 20.5 C Stm_avg: 0.3 C Stm_rms: 0.7 K Spr_avg: 177. Spr_rms: 39. Pa 299. WESTFORD NG 1984.06.27-18:00:11.496 0.045 mm 0.421 mm 0.495 mm 300. WESTFORD EG 1984.06.27-18:00:11.496 0.003 mm 0.421 mm 0.494 mm 301. WESTFORD NG 1984.06.28-02:00:11.496 -0.035 mm 0.376 mm 0.442 mm 302. WESTFORD EG 1984.06.28-02:00:11.496 0.041 mm 0.376 mm 0.441 mm 303. WESTFORD NG 1984.06.28-10:00:11.496 -0.015 mm 0.376 mm 0.442 mm 304. WESTFORD EG 1984.06.28-10:00:11.496 0.007 mm 0.376 mm 0.441 mm 305. WESTFORD NG 1984.06.28-18:00:11.496 0.015 mm 0.422 mm 0.495 mm 306. WESTFORD EG 1984.06.28-18:00:11.496 0.021 mm 0.421 mm 0.495 mm 307. WETTZELL 7224 EURA X Comp 4075539884.74 mm 43.740 mm 16.061 mm 18.853 mm 308. WETTZELL 7224 EURA Y Comp 931735119.72 mm -194.278 mm 13.167 mm 15.456 mm 309. WETTZELL 7224 EURA Z Comp 4801629261.16 mm -131.839 mm 21.085 mm 24.751 mm WETTZELL 7224 U Comp -100.15 mm -100.149 mm 24.963 mm 24.549 mm WETTZELL 7224 E Comp -199.14 mm -199.140 mm 13.261 mm 13.041 mm WETTZELL 7224 N Comp -85.74 mm -85.744 mm 8.769 mm 8.623 mm 310. WETTZELL CL 0 1984.06.27-18:01:11.496 -4427.922 ns 0.150 ns 0.176 ns 311. WETTZELL CL 1 1984.06.27-18:01:11.496 -206.625 D-14 2.115 D-14 2.483 D-14 312. WETTZELL CL 2 1984.06.27-18:01:11.496 2.431 D-14/day 1.855 D-14/day 2.178 D-14/day 337. WETTZELL AT 0 1984.06.27-18:01:11.496 -18.917 ps 35.555 ps 41.736 ps WETTZELL Atm 1984.06.28-06:01:43.680 Avg: -2.721 ps Rms: 23.510 ps Tot_Rms: 23.666 ps || Nat: 95 Dura: 85680.0 sec Tzd_avg: 7567.8 Tzd_rms: 67.4 Wzd_avg: 440.5 Wzd_rms: 81.7 ps Prs_avg: 94558. Pa Tem_avg: 15.6 C Stm_avg: -0.7 C Stm_rms: 2.1 K Spr_avg: 458. Spr_rms: 32. Pa 410. WETTZELL NG 1984.06.27-18:00:11.496 0.028 mm 0.422 mm 0.495 mm 411. WETTZELL EG 1984.06.27-18:00:11.496 0.001 mm 0.422 mm 0.496 mm 412. WETTZELL NG 1984.06.28-02:00:11.496 0.029 mm 0.377 mm 0.442 mm 413. WETTZELL EG 1984.06.28-02:00:11.496 0.011 mm 0.377 mm 0.442 mm 414. WETTZELL NG 1984.06.28-10:00:11.496 0.009 mm 0.377 mm 0.442 mm 415. WETTZELL EG 1984.06.28-10:00:11.496 0.013 mm 0.377 mm 0.443 mm 416. WETTZELL NG 1984.06.28-18:00:11.496 0.011 mm 0.422 mm 0.496 mm 417. WETTZELL EG 1984.06.28-18:00:11.496 0.008 mm 0.422 mm 0.496 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.10 ps/h NRMS 0.30 share 0.89 count 73 2. RICHMOND Input 50.00 ps/h RMS 27.85 ps/h NRMS 0.56 share 0.90 count 73 3. WESTFORD Input 50.00 ps/h RMS 28.21 ps/h NRMS 0.56 share 0.80 count 73 4. WETTZELL Input 50.00 ps/h RMS 19.19 ps/h NRMS 0.38 share 0.86 count 73 Overall RMS 23.28 ps/h NRMS 0.47 share 0.86 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.61 D-14 NRMS 0.72 share 0.25 count 25 2. RICHMOND Input 5.00 D-14 RMS 2.50 D-14 NRMS 0.50 share 0.30 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.40 D-14 NRMS 0.48 share 0.30 count 25 Overall RMS 2.89 D-14 NRMS 0.58 share 0.28 count 75 418. UT1-TAI 1, 1984.06.28-06:02:00.000 -0.7855 ms/d -128.71 micros/d 49.52 micros/d 58.13 micros/d EOP epoch (TDT) MJD: 45879.251761 NUT epoch (TDT) MJD: 45879.232050 419. Nutation DPSI wrt apriori model 1984.06.28-06:02:11.976 0.287 mas 803.5 microasec 943.1 microasec Nutation Dx wrt apriori model 1984.06.28-06:02:11.976 0.115 mas 318.5 microasec 373.9 microasec Nutation DPSI wrt Wahr 1980 model 1984.06.28-06:02:11.976 -0.928 mas 803.5 microasec 943.1 microasec 420. Nutation DEPS wrt apriori model 1984.06.28-06:02:11.976 -0.169 mas 309.7 microasec 363.5 microasec Nutation Dy wrt apriori model 1984.06.28-06:02:11.976 -0.169 mas 310.8 microasec 364.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.06.28-06:02:11.976 -0.295 mas 309.7 microasec 363.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4774 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.06.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632824.29 10.24 2362632824.29 10.24 86.04 6.61 145.25 53.80 HRAS_085 7216 to WESTFORD 7209 3134928019.69 11.71 3134928019.69 11.71 103.99 4.62 178.01 43.46 HRAS_085 7216 to WETTZELL 7224 8417561472.20 34.03 8417561472.20 34.03 295.27 6.25 121.07 41.73 RICHMOND 7219 to WESTFORD 7209 2044501755.04 7.87 2044501755.04 7.87 100.77 4.48 1.81 34.61 RICHMOND 7219 to WETTZELL 7224 7588398468.80 25.49 7588398468.80 25.49 206.49 6.74 -78.81 40.45 WESTFORD 7209 to WETTZELL 7224 5998325327.03 15.08 5998325327.03 15.08 153.65 5.10 -1.29 35.67 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:47 Correlator type: Unknown Experiment code: ia188 Mark-3 db_name: $84JUL02XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840702_a Ver 2 ia188 Matrix Condition Number = 1.638479916144220E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.2 3.1 841.7 0.5 58.8 3.6 RICHMOND MET 25.0 3.5 1018.1 0.4 47.2 1.4 WESTFORD MET 24.3 2.2 1002.3 0.5 17.7 3.4 WETTZELL MET 10.2 1.4 948.4 1.3 88.2 15.7 Run 26091-1745 435 Observation Pairs Available Session started on: 2445884.254700 1984.07.02 18:06:46.080 UTC Nominal duration: 85855.680 sec 00 23:50:55.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 367 47.954 ps 0.93 1.2716 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 370 Number of potentially good observations with QC 5-9: 370 Number of used observations: 367 ( 99.19%) Number of suppressed observations: 3 ( 0.81%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 63 63 28.692 0.79 19840702_a ia188 1984.07.03-06:02:13.9 BAS_STAT HRAS_085 WESTFORD 79 80 55.802 1.02 19840702_a ia188 1984.07.03-06:02:13.9 BAS_STAT HRAS_085 WETTZELL 42 43 60.065 0.97 19840702_a ia188 1984.07.03-06:02:13.9 BAS_STAT RICHMOND WESTFORD 66 67 48.116 0.90 19840702_a ia188 1984.07.03-06:02:13.9 BAS_STAT RICHMOND WETTZELL 32 32 95.039 1.06 19840702_a ia188 1984.07.03-06:02:13.9 BAS_STAT WESTFORD WETTZELL 85 85 50.510 0.90 19840702_a ia188 1984.07.03-06:02:13.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 19 20 23 52.352 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 0212+735 J0217+7349 29 29 43 68.139 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 0229+131 J0231+1322 27 27 28 56.466 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 0528+134 J0530+1331 30 30 34 62.715 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 0552+398 J0555+3948 33 33 35 42.667 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 1803+784 J1800+7828 29 29 32 50.531 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 2134+00 J2136+0041 23 23 23 44.925 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 3C273B J1229+0203 23 23 25 20.407 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 3C345 J1642+3948 25 25 36 35.316 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 3C454.3 J2253+1608 23 23 23 40.563 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: 4C39.25 J0927+3902 24 25 30 46.223 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: OJ287 J0854+2006 32 32 34 71.065 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: OQ208 J1407+2827 30 31 33 109.638 19840702_a ia188 1984.07.03-06:02:13.920 SRC_STAT: VR422201 J2202+4216 20 20 36 65.964 19840702_a ia188 1984.07.03-06:02:13.920 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.03-06:01:41 1. HRAS_085 7216 NOAM X Comp -1324211050.09 mm -33.094 mm 8.814 mm 9.939 mm 2. HRAS_085 7216 NOAM Y Comp -5332023075.36 mm 6.641 mm 26.854 mm 30.282 mm 3. HRAS_085 7216 NOAM Z Comp 3232118450.20 mm 143.200 mm 17.873 mm 20.154 mm HRAS_085 7216 U Comp 74.29 mm 74.292 mm 32.118 mm 30.007 mm HRAS_085 7216 E Comp -33.72 mm -33.719 mm 6.385 mm 5.965 mm HRAS_085 7216 N Comp 122.43 mm 122.431 mm 6.778 mm 6.332 mm 4. HRAS_085 AT 0 1984.07.02-18:06:13.896 16.876 ps 83.712 ps 94.397 ps HRAS_085 Atm 1984.07.03-06:06:46.080 Avg: -5.860 ps Rms: 40.747 ps Tot_Rms: 41.166 ps || Nat: 91 Dura: 84180.0 sec Tzd_avg: 6948.3 Tzd_rms: 12.8 Wzd_avg: 568.9 Wzd_rms: 13.2 ps Prs_avg: 84166. Pa Tem_avg: 18.2 C Stm_avg: -3.7 C Stm_rms: 1.0 K Spr_avg: 25. Spr_rms: 42. Pa 77. HRAS_085 NG 1984.07.02-18:05:13.896 -0.034 mm 0.422 mm 0.476 mm 78. HRAS_085 EG 1984.07.02-18:05:13.896 -0.026 mm 0.422 mm 0.476 mm 79. HRAS_085 NG 1984.07.03-02:05:13.896 0.024 mm 0.377 mm 0.425 mm 80. HRAS_085 EG 1984.07.03-02:05:13.896 0.012 mm 0.377 mm 0.425 mm 81. HRAS_085 NG 1984.07.03-10:05:13.896 0.005 mm 0.377 mm 0.425 mm 82. HRAS_085 EG 1984.07.03-10:05:13.896 0.020 mm 0.377 mm 0.425 mm 83. HRAS_085 NG 1984.07.03-18:05:13.896 -0.071 mm 0.422 mm 0.476 mm 84. HRAS_085 EG 1984.07.03-18:05:13.896 0.001 mm 0.422 mm 0.476 mm 85. RICHMOND 7219 NOAM X Comp 961257959.10 mm -59.896 mm 6.594 mm 7.436 mm 86. RICHMOND 7219 NOAM Y Comp -5674089953.70 mm 96.304 mm 22.260 mm 25.101 mm 87. RICHMOND 7219 NOAM Z Comp 2740533808.66 mm 10.661 mm 13.474 mm 15.194 mm RICHMOND 7219 U Comp -90.03 mm -90.033 mm 25.152 mm 23.499 mm RICHMOND 7219 E Comp -42.97 mm -42.968 mm 6.361 mm 5.943 mm RICHMOND 7219 N Comp 54.99 mm 54.985 mm 6.889 mm 6.436 mm 88. RICHMOND CL 0 1984.07.02-18:06:13.896 2819.417 ns 0.270 ns 0.304 ns 89. RICHMOND CL 1 1984.07.02-18:06:13.896 -132.219 D-14 2.142 D-14 2.415 D-14 90. RICHMOND CL 2 1984.07.02-18:06:13.896 -2.305 D-14/day 1.897 D-14/day 2.139 D-14/day 115. RICHMOND AT 0 1984.07.02-18:06:13.896 117.526 ps 43.728 ps 49.309 ps RICHMOND Atm 1984.07.03-06:06:46.080 Avg: 154.491 ps Rms: 34.808 ps Tot_Rms: 158.364 ps || Nat: 90 Dura: 85020.0 sec Tzd_avg: 8555.0 Tzd_rms: 58.9 Wzd_avg: 842.3 Wzd_rms: 62.3 ps Prs_avg: 101806. Pa Tem_avg: 25.2 C Stm_avg: -3.3 C Stm_rms: 2.8 K Spr_avg: -12. Spr_rms: 41. Pa 188. RICHMOND NG 1984.07.02-18:05:13.896 0.006 mm 0.422 mm 0.476 mm 189. RICHMOND EG 1984.07.02-18:05:13.896 0.046 mm 0.421 mm 0.475 mm 190. RICHMOND NG 1984.07.03-02:05:13.896 -0.013 mm 0.377 mm 0.425 mm 191. RICHMOND EG 1984.07.03-02:05:13.896 -0.017 mm 0.376 mm 0.424 mm 192. RICHMOND NG 1984.07.03-10:05:13.896 0.001 mm 0.377 mm 0.425 mm 193. RICHMOND EG 1984.07.03-10:05:13.896 -0.021 mm 0.376 mm 0.425 mm 194. RICHMOND NG 1984.07.03-18:05:13.896 -0.005 mm 0.422 mm 0.476 mm 195. RICHMOND EG 1984.07.03-18:05:13.896 -0.019 mm 0.422 mm 0.475 mm 196. WESTFORD 7209 NOAM X Comp 1492206590.86 mm 47.856 mm 6.355 mm 7.166 mm 197. WESTFORD 7209 NOAM Y Comp -4458130431.71 mm 90.295 mm 13.058 mm 14.725 mm 198. WESTFORD 7209 NOAM Z Comp 4296015530.91 mm -16.088 mm 11.853 mm 13.365 mm WESTFORD 7209 U Comp -62.73 mm -62.729 mm 16.793 mm 15.689 mm WESTFORD 7209 E Comp 74.04 mm 74.042 mm 6.803 mm 6.356 mm WESTFORD 7209 N Comp 35.85 mm 35.848 mm 4.807 mm 4.491 mm 199. WESTFORD CL 0 1984.07.02-18:06:13.896 -7804.086 ns 0.229 ns 0.258 ns 200. WESTFORD CL 1 1984.07.02-18:06:13.896 -106.570 D-14 2.120 D-14 2.390 D-14 201. WESTFORD CL 2 1984.07.02-18:06:13.896 -10.240 D-14/day 1.862 D-14/day 2.099 D-14/day 226. WESTFORD AT 0 1984.07.02-18:06:13.896 -45.919 ps 22.892 ps 25.815 ps WESTFORD Atm 1984.07.03-06:06:46.080 Avg: -33.560 ps Rms: 24.273 ps Tot_Rms: 41.418 ps || Nat: 137 Dura: 85860.0 sec Tzd_avg: 8359.2 Tzd_rms: 43.8 Wzd_avg: 788.5 Wzd_rms: 45.4 ps Prs_avg: 100233. Pa Tem_avg: 24.3 C Stm_avg: 0.3 C Stm_rms: 1.3 K Spr_avg: 170. Spr_rms: 36. Pa 299. WESTFORD NG 1984.07.02-18:05:13.896 0.029 mm 0.421 mm 0.475 mm 300. WESTFORD EG 1984.07.02-18:05:13.896 0.021 mm 0.421 mm 0.475 mm 301. WESTFORD NG 1984.07.03-02:05:13.896 -0.060 mm 0.376 mm 0.425 mm 302. WESTFORD EG 1984.07.03-02:05:13.896 0.040 mm 0.376 mm 0.424 mm 303. WESTFORD NG 1984.07.03-10:05:13.896 -0.017 mm 0.376 mm 0.424 mm 304. WESTFORD EG 1984.07.03-10:05:13.896 0.000 mm 0.376 mm 0.424 mm 305. WESTFORD NG 1984.07.03-18:05:13.896 0.056 mm 0.422 mm 0.476 mm 306. WESTFORD EG 1984.07.03-18:05:13.896 0.035 mm 0.421 mm 0.475 mm 307. WETTZELL 7224 EURA X Comp 4075539886.13 mm 45.134 mm 14.459 mm 16.304 mm 308. WETTZELL 7224 EURA Y Comp 931735120.76 mm -193.240 mm 12.920 mm 14.569 mm 309. WETTZELL 7224 EURA Z Comp 4801629255.23 mm -137.773 mm 19.681 mm 22.193 mm WETTZELL 7224 U Comp -103.60 mm -103.597 mm 22.847 mm 21.345 mm WETTZELL 7224 E Comp -198.44 mm -198.438 mm 12.876 mm 12.030 mm WETTZELL 7224 N Comp -90.83 mm -90.829 mm 8.691 mm 8.120 mm 310. WETTZELL CL 0 1984.07.02-18:06:13.896 -16688.880 ns 0.249 ns 0.280 ns 311. WETTZELL CL 1 1984.07.02-18:06:13.896 -316.679 D-14 2.161 D-14 2.436 D-14 312. WETTZELL CL 2 1984.07.02-18:06:13.896 -3.483 D-14/day 1.898 D-14/day 2.140 D-14/day 337. WETTZELL AT 0 1984.07.02-18:06:13.896 -32.307 ps 30.779 ps 34.708 ps WETTZELL Atm 1984.07.03-06:06:46.080 Avg: -0.435 ps Rms: 25.507 ps Tot_Rms: 25.511 ps || Nat: 93 Dura: 85020.0 sec Tzd_avg: 7505.1 Tzd_rms: 51.8 Wzd_avg: 357.3 Wzd_rms: 61.3 ps Prs_avg: 94833. Pa Tem_avg: 10.2 C Stm_avg: 0.2 C Stm_rms: 0.9 K Spr_avg: 500. Spr_rms: 40. Pa 410. WETTZELL NG 1984.07.02-18:05:13.896 0.010 mm 0.422 mm 0.476 mm 411. WETTZELL EG 1984.07.02-18:05:13.896 -0.010 mm 0.422 mm 0.476 mm 412. WETTZELL NG 1984.07.03-02:05:13.896 0.040 mm 0.377 mm 0.425 mm 413. WETTZELL EG 1984.07.03-02:05:13.896 0.008 mm 0.377 mm 0.425 mm 414. WETTZELL NG 1984.07.03-10:05:13.896 -0.019 mm 0.377 mm 0.425 mm 415. WETTZELL EG 1984.07.03-10:05:13.896 0.008 mm 0.377 mm 0.425 mm 416. WETTZELL NG 1984.07.03-18:05:13.896 -0.014 mm 0.422 mm 0.476 mm 417. WETTZELL EG 1984.07.03-18:05:13.896 0.001 mm 0.422 mm 0.476 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.18 ps/h NRMS 0.28 share 0.87 count 73 2. RICHMOND Input 50.00 ps/h RMS 17.97 ps/h NRMS 0.36 share 0.89 count 73 3. WESTFORD Input 50.00 ps/h RMS 24.51 ps/h NRMS 0.49 share 0.81 count 73 4. WETTZELL Input 50.00 ps/h RMS 14.36 ps/h NRMS 0.29 share 0.85 count 73 Overall RMS 18.24 ps/h NRMS 0.36 share 0.85 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.08 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.12 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 2.72 D-14 NRMS 0.54 share 0.27 count 25 3. WESTFORD Input 5.00 D-14 RMS 5.33 D-14 NRMS 1.07 share 0.23 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.31 D-14 NRMS 0.46 share 0.31 count 25 Overall RMS 3.70 D-14 NRMS 0.74 share 0.27 count 75 418. UT1-TAI 1, 1984.07.03-06:02:00.000 -1.0212 ms/d 14.54 micros/d 50.17 micros/d 56.58 micros/d EOP epoch (TDT) MJD: 45884.251761 NUT epoch (TDT) MJD: 45884.233062 419. Nutation DPSI wrt apriori model 1984.07.03-06:01:41.736 1.298 mas 831.1 microasec 937.1 microasec Nutation Dx wrt apriori model 1984.07.03-06:01:41.736 0.519 mas 329.6 microasec 371.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.03-06:01:41.736 0.354 mas 831.1 microasec 937.1 microasec 420. Nutation DEPS wrt apriori model 1984.07.03-06:01:41.736 -0.661 mas 289.4 microasec 326.3 microasec Nutation Dy wrt apriori model 1984.07.03-06:01:41.736 -0.659 mas 290.5 microasec 327.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.03-06:01:41.736 -0.854 mas 289.4 microasec 326.3 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3681 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.03 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632811.31 10.21 2362632811.31 10.21 79.13 6.35 141.19 51.08 HRAS_085 7216 to WESTFORD 7209 3134928018.19 11.88 3134928018.19 11.88 104.15 4.75 162.22 42.34 HRAS_085 7216 to WETTZELL 7224 8417561468.73 32.43 8417561468.73 32.43 295.66 6.08 121.73 40.35 RICHMOND 7219 to WESTFORD 7209 2044501747.84 8.09 2044501747.84 8.09 110.57 4.88 -10.91 31.74 RICHMOND 7219 to WETTZELL 7224 7588398465.76 23.94 7588398465.76 23.94 221.28 6.70 -76.16 36.97 WESTFORD 7209 to WETTZELL 7224 5998325335.16 14.69 5998325335.16 14.69 155.63 4.56 10.98 32.70 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK KAUAI KWAJAL26 MOJAVE12 VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:50 Correlator type: Unknown Experiment code: ep841 Mark-3 db_name: $84JUL07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840707_a Ver 2 ep841 Matrix Condition Number = 1.584185313526302E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KAUAI : GION | | KWAJAL26: GION | | MOJAVE12: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for KAUAI is 5.0 Elevation cut for KWAJAL26 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 10.2 2.1 971.8 2.1 98.7 0.3 KAUAI MET 16.2 3.1 889.9 0.6 85.5 5.9 KWAJAL26 MET 28.0 1.3 1008.6 0.9 71.6 11.2 MOJAVE12 MET 31.2 3.6 906.2 1.1 24.6 0.3 VNDNBERG MET 18.5 3.5 1008.2 1.2 91.8 4.6 Run 26091-1745 1928 Observation Pairs Available Session started on: 2445888.753300 1984.07.07 06:04:45.120 UTC Nominal duration: 200275.200 sec 02 07:37:55.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 1122 31.925 ps 0.98 1.3659 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 1140 Number of potentially good observations with QC 5-9: 1140 Number of used observations: 1122 ( 98.42%) Number of suppressed observations: 18 ( 1.58%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK KAUAI 247 247 36.413 0.89 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT GILCREEK KWAJAL26 136 138 64.696 0.91 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT GILCREEK MOJAVE12 224 226 16.330 0.91 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT GILCREEK VNDNBERG 77 81 38.479 0.79 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT KAUAI KWAJAL26 72 73 150.132 1.18 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT KAUAI MOJAVE12 229 229 45.912 1.13 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT KAUAI VNDNBERG 27 28 146.110 0.99 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT KWAJAL26 MOJAVE12 37 41 170.070 1.15 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT MOJAVE12 VNDNBERG 73 77 80.676 0.96 19840707_a ep841 1984.07.08-09:53:42.7 BAS_STAT Not included: KWAJAL26 VNDNBERG 0/ 0 deselected baseline 19840707_a ep841 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 62 64 109 22.567 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 0229+131 J0231+1322 61 62 110 27.921 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 0234+285 J0237+2848 57 57 113 44.521 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 0552+398 J0555+3948 82 83 121 30.511 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 1354+195 J1357+1919 50 52 110 77.289 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 1418+546 J1419+5423 89 90 212 73.333 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 1548+056 J1550+0527 65 65 117 43.689 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 2134+00 J2136+0041 71 71 107 30.297 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 2145+067 J2148+0657 83 84 108 37.681 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 3C273B J1229+0203 107 110 156 24.000 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 3C345 J1642+3948 143 145 185 22.773 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 3C454.3 J2253+1608 86 89 133 18.061 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: 4C39.25 J0927+3902 58 58 128 72.698 19840707_a ep841 1984.07.08-09:53:42.720 SRC_STAT: OJ287 J0854+2006 108 110 219 45.652 19840707_a ep841 1984.07.08-09:53:42.720 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.08-09:53:10 1. GILCREEK 7225 NOAM X Comp -2281547225.93 mm 158.070 mm 9.954 mm 11.633 mm 2. GILCREEK 7225 NOAM Y Comp -1453644536.06 mm 577.943 mm 6.317 mm 7.383 mm 3. GILCREEK 7225 NOAM Z Comp 5756993497.07 mm 370.069 mm 11.348 mm 13.262 mm GILCREEK 7225 U Comp 147.60 mm 147.602 mm 14.083 mm 13.797 mm GILCREEK 7225 E Comp -402.48 mm -402.482 mm 5.276 mm 5.169 mm GILCREEK 7225 N Comp 558.73 mm 558.728 mm 6.449 mm 6.317 mm 4. GILCREEK CL 0 1984.07.07-06:04:12.936 10023.515 ns 0.085 ns 0.099 ns 5. GILCREEK CL 1 1984.07.07-06:04:12.936 -8.680 D-14 1.343 D-14 1.569 D-14 6. GILCREEK CL 2 1984.07.07-06:04:12.936 -2.317 D-14/day 0.500 D-14/day 0.584 D-14/day 63. GILCREEK AT 0 1984.07.07-06:04:12.936 -80.721 ps 34.158 ps 39.921 ps GILCREEK Atm 1984.07.08-10:04:45.120 Avg: -5.166 ps Rms: 32.115 ps Tot_Rms: 32.528 ps || Nat: 285 Dura: 200280.0 sec Tzd_avg: 7667.9 Tzd_rms: 30.4 Wzd_avg: 320.7 Wzd_rms: 32.0 ps Prs_avg: 97187. Pa Tem_avg: 10.2 C Stm_avg: -0.3 C Stm_rms: 1.6 K Spr_avg: 102. Spr_rms: 50. Pa 232. GILCREEK NG 1984.07.07-06:03:12.936 0.017 mm 0.421 mm 0.492 mm 233. GILCREEK EG 1984.07.07-06:03:12.936 0.052 mm 0.420 mm 0.491 mm 234. GILCREEK NG 1984.07.07-14:03:12.936 0.041 mm 0.375 mm 0.438 mm 235. GILCREEK EG 1984.07.07-14:03:12.936 0.008 mm 0.374 mm 0.437 mm 236. GILCREEK NG 1984.07.07-22:03:12.936 0.063 mm 0.372 mm 0.434 mm 237. GILCREEK EG 1984.07.07-22:03:12.936 0.003 mm 0.370 mm 0.432 mm 238. GILCREEK NG 1984.07.08-06:03:12.936 -0.011 mm 0.371 mm 0.434 mm 239. GILCREEK EG 1984.07.08-06:03:12.936 0.003 mm 0.369 mm 0.432 mm 240. GILCREEK NG 1984.07.08-14:03:12.936 -0.059 mm 0.371 mm 0.433 mm 241. GILCREEK EG 1984.07.08-14:03:12.936 0.022 mm 0.368 mm 0.430 mm 242. GILCREEK NG 1984.07.08-22:03:12.936 -0.011 mm 0.372 mm 0.435 mm 243. GILCREEK EG 1984.07.08-22:03:12.936 0.037 mm 0.370 mm 0.432 mm 244. GILCREEK NG 1984.07.09-06:03:12.936 -0.034 mm 0.375 mm 0.438 mm 245. GILCREEK EG 1984.07.09-06:03:12.936 -0.011 mm 0.374 mm 0.437 mm 246. GILCREEK NG 1984.07.09-14:03:12.936 -0.044 mm 0.420 mm 0.490 mm 247. GILCREEK EG 1984.07.09-14:03:12.936 -0.057 mm 0.420 mm 0.491 mm 248. KAUAI 1311 PCFC X Comp -5543846142.54 mm -50.538 mm 12.362 mm 14.447 mm 249. KAUAI 1311 PCFC Y Comp -2054563905.99 mm -455.987 mm 6.550 mm 7.655 mm 250. KAUAI 1311 PCFC Z Comp 2387813931.59 mm -276.407 mm 8.076 mm 9.438 mm KAUAI 1311 U Comp 86.58 mm 86.579 mm 14.663 mm 14.364 mm KAUAI 1311 E Comp 410.01 mm 410.006 mm 5.066 mm 4.963 mm KAUAI 1311 N Comp -333.58 mm -333.583 mm 4.502 mm 4.410 mm 251. KAUAI CL 0 1984.07.07-06:04:12.936 1018.916 ns 0.101 ns 0.118 ns 252. KAUAI CL 1 1984.07.07-06:04:12.936 168.232 D-14 1.347 D-14 1.574 D-14 253. KAUAI CL 2 1984.07.07-06:04:12.936 -1.106 D-14/day 0.501 D-14/day 0.585 D-14/day 310. KAUAI AT 0 1984.07.07-06:04:12.936 -35.152 ps 52.578 ps 61.448 ps KAUAI Atm 1984.07.08-10:04:45.120 Avg: -8.561 ps Rms: 39.310 ps Tot_Rms: 40.232 ps || Nat: 288 Dura: 200280.0 sec Tzd_avg: 7084.4 Tzd_rms: 24.8 Wzd_avg: 324.3 Wzd_rms: 23.7 ps Prs_avg: 88996. Pa Tem_avg: 16.4 C Stm_avg: 0.8 C Stm_rms: 2.7 K Spr_avg: 1. Spr_rms: 55. Pa 479. KAUAI NG 1984.07.07-06:03:12.936 0.096 mm 0.421 mm 0.492 mm 480. KAUAI EG 1984.07.07-06:03:12.936 -0.030 mm 0.421 mm 0.491 mm 481. KAUAI NG 1984.07.07-14:03:12.936 -0.024 mm 0.375 mm 0.438 mm 482. KAUAI EG 1984.07.07-14:03:12.936 -0.043 mm 0.373 mm 0.436 mm 483. KAUAI NG 1984.07.07-22:03:12.936 -0.072 mm 0.372 mm 0.434 mm 484. KAUAI EG 1984.07.07-22:03:12.936 -0.034 mm 0.371 mm 0.433 mm 485. KAUAI NG 1984.07.08-06:03:12.936 -0.026 mm 0.371 mm 0.434 mm 486. KAUAI EG 1984.07.08-06:03:12.936 0.040 mm 0.370 mm 0.432 mm 487. KAUAI NG 1984.07.08-14:03:12.936 0.017 mm 0.371 mm 0.434 mm 488. KAUAI EG 1984.07.08-14:03:12.936 -0.010 mm 0.367 mm 0.429 mm 489. KAUAI NG 1984.07.08-22:03:12.936 0.004 mm 0.372 mm 0.434 mm 490. KAUAI EG 1984.07.08-22:03:12.936 -0.004 mm 0.370 mm 0.433 mm 491. KAUAI NG 1984.07.09-06:03:12.936 0.039 mm 0.375 mm 0.438 mm 492. KAUAI EG 1984.07.09-06:03:12.936 -0.002 mm 0.374 mm 0.437 mm 493. KAUAI NG 1984.07.09-14:03:12.936 0.024 mm 0.421 mm 0.492 mm 494. KAUAI EG 1984.07.09-14:03:12.936 -0.025 mm 0.418 mm 0.488 mm 495. KWAJAL26 4968 PCFC X Comp -6143536670.26 mm -386.260 mm 28.979 mm 33.867 mm 496. KWAJAL26 4968 PCFC Y Comp 1363997456.34 mm -551.664 mm 8.518 mm 9.955 mm 497. KWAJAL26 4968 PCFC Z Comp 1034707516.91 mm -267.094 mm 17.242 mm 20.151 mm KWAJAL26 4968 U Comp 210.43 mm 210.434 mm 30.484 mm 29.863 mm KWAJAL26 4968 E Comp 622.27 mm 622.269 mm 9.460 mm 9.267 mm KWAJAL26 4968 N Comp -305.56 mm -305.561 mm 13.814 mm 13.533 mm 498. KWAJAL26 CL 0 1984.07.07-06:04:12.936 -23083.286 ns 0.218 ns 0.255 ns 499. KWAJAL26 CL 1 1984.07.07-06:04:12.936 104.592 D-14 1.380 D-14 1.613 D-14 500. KWAJAL26 CL 2 1984.07.07-06:04:12.936 -7.415 D-14/day 0.514 D-14/day 0.601 D-14/day 557. KWAJAL26 AT 0 1984.07.07-06:04:12.936 -216.912 ps 67.640 ps 79.050 ps KWAJAL26 Atm 1984.07.08-10:04:45.120 Avg: -64.490 ps Rms: 62.535 ps Tot_Rms: 89.831 ps || Nat: 245 Dura: 200280.0 sec Tzd_avg: 8598.9 Tzd_rms: 41.0 Wzd_avg: 974.3 Wzd_rms: 39.2 ps Prs_avg: 100854. Pa Tem_avg: 28.0 C Stm_avg: 1.2 C Stm_rms: 0.8 K Spr_avg: 226. Spr_rms: 54. Pa 726. KWAJAL26 NG 1984.07.07-06:03:12.936 -0.001 mm 0.422 mm 0.494 mm 727. KWAJAL26 EG 1984.07.07-06:03:12.936 0.025 mm 0.422 mm 0.494 mm 728. KWAJAL26 NG 1984.07.07-14:03:12.936 -0.006 mm 0.377 mm 0.440 mm 729. KWAJAL26 EG 1984.07.07-14:03:12.936 0.039 mm 0.376 mm 0.440 mm 730. KWAJAL26 NG 1984.07.07-22:03:12.936 0.001 mm 0.373 mm 0.436 mm 731. KWAJAL26 EG 1984.07.07-22:03:12.936 -0.001 mm 0.373 mm 0.435 mm 732. KWAJAL26 NG 1984.07.08-06:03:12.936 -0.002 mm 0.372 mm 0.435 mm 733. KWAJAL26 EG 1984.07.08-06:03:12.936 -0.014 mm 0.372 mm 0.435 mm 734. KWAJAL26 NG 1984.07.08-14:03:12.936 0.013 mm 0.372 mm 0.435 mm 735. KWAJAL26 EG 1984.07.08-14:03:12.936 -0.028 mm 0.372 mm 0.434 mm 736. KWAJAL26 NG 1984.07.08-22:03:12.936 0.005 mm 0.373 mm 0.436 mm 737. KWAJAL26 EG 1984.07.08-22:03:12.936 -0.012 mm 0.373 mm 0.435 mm 738. KWAJAL26 NG 1984.07.09-06:03:12.936 0.003 mm 0.376 mm 0.440 mm 739. KWAJAL26 EG 1984.07.09-06:03:12.936 -0.014 mm 0.376 mm 0.440 mm 740. KWAJAL26 NG 1984.07.09-14:03:12.936 0.002 mm 0.422 mm 0.493 mm 741. KWAJAL26 EG 1984.07.09-14:03:12.936 -0.014 mm 0.422 mm 0.493 mm 742. MOJAVE12 7222 NOAM X Comp -2356171077.13 mm 18.871 mm 9.841 mm 11.501 mm 743. MOJAVE12 7222 NOAM Y Comp -4646755428.07 mm 403.925 mm 6.953 mm 8.125 mm 744. MOJAVE12 7222 NOAM Z Comp 3668470856.77 mm 275.770 mm 7.527 mm 8.797 mm MOJAVE12 7222 U Comp -141.39 mm -141.388 mm 11.457 mm 11.224 mm MOJAVE12 7222 E Comp -165.84 mm -165.841 mm 7.647 mm 7.491 mm MOJAVE12 7222 N Comp 438.25 mm 438.255 mm 3.478 mm 3.407 mm 745. MOJAVE12 AT 0 1984.07.07-06:04:12.936 -407.832 ps 39.342 ps 45.979 ps MOJAVE12 Atm 1984.07.08-10:04:45.120 Avg: -150.085 ps Rms: 67.016 ps Tot_Rms: 164.367 ps || Nat: 266 Dura: 200280.0 sec Tzd_avg: 7371.6 Tzd_rms: 127.5 Wzd_avg: 520.8 Wzd_rms: 135.3 ps Prs_avg: 90617. Pa Tem_avg: 31.5 C Stm_avg: 0.4 C Stm_rms: 1.0 K Spr_avg: 243. Spr_rms: 54. Pa 914. MOJAVE12 NG 1984.07.07-06:03:12.936 -0.175 mm 0.421 mm 0.491 mm 915. MOJAVE12 EG 1984.07.07-06:03:12.936 -0.015 mm 0.421 mm 0.492 mm 916. MOJAVE12 NG 1984.07.07-14:03:12.936 -0.060 mm 0.375 mm 0.438 mm 917. MOJAVE12 EG 1984.07.07-14:03:12.936 -0.012 mm 0.374 mm 0.437 mm 918. MOJAVE12 NG 1984.07.07-22:03:12.936 0.024 mm 0.371 mm 0.433 mm 919. MOJAVE12 EG 1984.07.07-22:03:12.936 0.010 mm 0.370 mm 0.433 mm 920. MOJAVE12 NG 1984.07.08-06:03:12.936 0.049 mm 0.371 mm 0.433 mm 921. MOJAVE12 EG 1984.07.08-06:03:12.936 0.005 mm 0.372 mm 0.434 mm 922. MOJAVE12 NG 1984.07.08-14:03:12.936 -0.001 mm 0.371 mm 0.434 mm 923. MOJAVE12 EG 1984.07.08-14:03:12.936 0.017 mm 0.371 mm 0.433 mm 924. MOJAVE12 NG 1984.07.08-22:03:12.936 -0.016 mm 0.372 mm 0.434 mm 925. MOJAVE12 EG 1984.07.08-22:03:12.936 -0.004 mm 0.371 mm 0.433 mm 926. MOJAVE12 NG 1984.07.09-06:03:12.936 -0.007 mm 0.374 mm 0.438 mm 927. MOJAVE12 EG 1984.07.09-06:03:12.936 -0.001 mm 0.375 mm 0.438 mm 928. MOJAVE12 NG 1984.07.09-14:03:12.936 0.011 mm 0.421 mm 0.492 mm 929. MOJAVE12 EG 1984.07.09-14:03:12.936 0.031 mm 0.420 mm 0.491 mm 930. VNDNBERG 7223 PCFC X Comp -2678094787.14 mm 259.857 mm 22.826 mm 26.677 mm 931. VNDNBERG 7223 PCFC Y Comp -4525450474.22 mm 25.782 mm 21.171 mm 24.742 mm 932. VNDNBERG 7223 PCFC Z Comp 3597410313.66 mm -102.338 mm 20.277 mm 23.697 mm VNDNBERG 7223 U Comp -185.31 mm -185.314 mm 34.096 mm 33.401 mm VNDNBERG 7223 E Comp 210.50 mm 210.501 mm 12.476 mm 12.222 mm VNDNBERG 7223 N Comp 3.37 mm 3.369 mm 7.887 mm 7.727 mm 933. VNDNBERG CL 0 1984.07.07-06:04:12.936 -15732.042 ns 0.219 ns 0.256 ns 934. VNDNBERG CL 1 1984.07.07-06:04:12.936 -61.066 D-14 1.373 D-14 1.605 D-14 935. VNDNBERG CL 2 1984.07.07-06:04:12.936 1.135 D-14/day 0.510 D-14/day 0.596 D-14/day 992. VNDNBERG AT 0 1984.07.07-06:04:12.936 -84.301 ps 71.483 ps 83.542 ps VNDNBERG Atm 1984.07.08-10:04:45.120 Avg: -65.907 ps Rms: 54.850 ps Tot_Rms: 85.745 ps || Nat: 164 Dura: 200280.0 sec Tzd_avg: 7975.2 Tzd_rms: 101.6 Wzd_avg: 333.8 Wzd_rms: 108.7 ps Prs_avg: 100824. Pa Tem_avg: 18.8 C Stm_avg: 3.0 C Stm_rms: 1.8 K Spr_avg: 107. Spr_rms: 72. Pa 1161. VNDNBERG NG 1984.07.07-06:03:12.936 0.030 mm 0.422 mm 0.493 mm 1162. VNDNBERG EG 1984.07.07-06:03:12.936 -0.008 mm 0.422 mm 0.494 mm 1163. VNDNBERG NG 1984.07.07-14:03:12.936 0.025 mm 0.377 mm 0.440 mm 1164. VNDNBERG EG 1984.07.07-14:03:12.936 -0.007 mm 0.377 mm 0.440 mm 1165. VNDNBERG NG 1984.07.07-22:03:12.936 0.012 mm 0.373 mm 0.435 mm 1166. VNDNBERG EG 1984.07.07-22:03:12.936 -0.004 mm 0.373 mm 0.435 mm 1167. VNDNBERG NG 1984.07.08-06:03:12.936 0.000 mm 0.372 mm 0.435 mm 1168. VNDNBERG EG 1984.07.08-06:03:12.936 -0.024 mm 0.372 mm 0.435 mm 1169. VNDNBERG NG 1984.07.08-14:03:12.936 -0.009 mm 0.372 mm 0.435 mm 1170. VNDNBERG EG 1984.07.08-14:03:12.936 -0.000 mm 0.372 mm 0.435 mm 1171. VNDNBERG NG 1984.07.08-22:03:12.936 -0.015 mm 0.373 mm 0.435 mm 1172. VNDNBERG EG 1984.07.08-22:03:12.936 0.001 mm 0.373 mm 0.435 mm 1173. VNDNBERG NG 1984.07.09-06:03:12.936 -0.028 mm 0.376 mm 0.440 mm 1174. VNDNBERG EG 1984.07.09-06:03:12.936 0.014 mm 0.377 mm 0.440 mm 1175. VNDNBERG NG 1984.07.09-14:03:12.936 -0.025 mm 0.422 mm 0.493 mm 1176. VNDNBERG EG 1984.07.09-14:03:12.936 0.025 mm 0.422 mm 0.493 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 30.87 ps/h NRMS 0.62 share 0.68 count 169 2. KAUAI Input 50.00 ps/h RMS 19.96 ps/h NRMS 0.40 share 0.84 count 169 3. KWAJAL26 Input 50.00 ps/h RMS 12.65 ps/h NRMS 0.25 share 0.93 count 169 4. MOJAVE12 Input 50.00 ps/h RMS 38.74 ps/h NRMS 0.77 share 0.70 count 169 5. VNDNBERG Input 50.00 ps/h RMS 13.61 ps/h NRMS 0.27 share 0.93 count 169 Overall RMS 25.29 ps/h NRMS 0.51 share 0.82 count 845 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.49 count 16 2. KAUAI Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.49 count 16 3. KWAJAL26 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.49 count 16 4. MOJAVE12 Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.49 count 16 5. VNDNBERG Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.49 count 16 Overall RMS 0.10 mm/d NRMS 0.05 share 0.49 count 80 Clock Constraint Statistics 1. GILCREEK Input 5.00 D-14 RMS 3.05 D-14 NRMS 0.61 share 0.17 count 57 2. KAUAI Input 5.00 D-14 RMS 2.40 D-14 NRMS 0.48 share 0.18 count 57 3. KWAJAL26 Input 5.00 D-14 RMS 2.46 D-14 NRMS 0.49 share 0.42 count 57 5. VNDNBERG Input 5.00 D-14 RMS 2.79 D-14 NRMS 0.56 share 0.51 count 57 Overall RMS 2.69 D-14 NRMS 0.54 share 0.32 count 228 1177. UT1-TAI 1, 1984.07.08-09:53:00.000 -0.7309 ms/d -88.37 micros/d 8.43 micros/d 9.86 micros/d EOP epoch (TDT) MJD: 45889.412178 NUT epoch (TDT) MJD: 45889.435095 1178. Nutation DPSI wrt apriori model 1984.07.08-09:53:10.536 0.066 mas 355.3 microasec 415.3 microasec Nutation Dx wrt apriori model 1984.07.08-09:53:10.536 0.026 mas 140.9 microasec 164.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.08-09:53:10.536 -2.150 mas 355.3 microasec 415.3 microasec 1179. Nutation DEPS wrt apriori model 1984.07.08-09:53:10.536 -0.024 mas 129.3 microasec 151.1 microasec Nutation Dy wrt apriori model 1984.07.08-09:53:10.536 -0.024 mas 129.8 microasec 151.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.08-09:53:10.536 0.265 mas 129.3 microasec 151.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4454 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to KAUAI 1311 4728114767.52 6.92 4728114767.52 6.92 -994.35 1.93 3.06 16.25 GILCREEK 7225 to KWAJAL26 4968 6719676610.06 16.66 6719676610.06 16.66 -1376.55 5.62 -32.41 39.93 GILCREEK 7225 to MOJAVE12 7222 3816209206.39 4.79 3816209206.39 4.79 118.83 2.87 -66.76 13.80 GILCREEK 7225 to VNDNBERG 7223 3775849734.31 12.97 3775849734.31 12.97 -133.39 14.19 135.47 43.00 KAUAI 1311 to KWAJAL26 4968 3725196301.74 11.02 3725196301.74 11.02 -108.89 12.09 -329.72 40.07 KAUAI 1311 to MOJAVE12 7222 4303581226.12 4.85 4303581226.12 4.85 -946.86 3.21 247.56 14.51 KAUAI 1311 to VNDNBERG 7223 3972522457.02 12.64 3972522457.02 12.64 -457.07 8.80 386.42 44.22 KWAJAL26 4968 to MOJAVE12 7222 7576938544.29 17.77 7576938544.29 17.77 -1040.61 10.65 393.10 37.32 MOJAVE12 7222 to VNDNBERG 7223 351282461.40 14.66 351282461.40 14.66 -516.63 8.19 39.14 41.95 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:53 Correlator type: Unknown Experiment code: ia189 Mark-3 db_name: $84JUL07XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840707_b Ver 2 ia189 Matrix Condition Number = 1.452094799179890E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.3 3.6 841.7 1.0 53.2 1.3 RICHMOND MET 24.9 3.3 1015.3 0.8 49.9 5.7 WESTFORD MET 16.7 1.6 1002.4 1.0 89.1 47.3 WETTZELL MET 16.8 5.1 953.2 1.0 56.4 22.1 Run 26091-1745 443 Observation Pairs Available Session started on: 2445889.255700 1984.07.07 18:08:12.480 UTC Nominal duration: 86676.480 sec 01 00:04:36.480 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 347 55.412 ps 0.99 1.4347 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 354 Number of potentially good observations with QC 5-9: 354 Number of used observations: 347 ( 98.02%) Number of suppressed observations: 7 ( 1.98%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 53 54 30.419 0.83 19840707_b ia189 1984.07.08-06:10:30.7 BAS_STAT HRAS_085 WESTFORD 74 79 47.556 0.99 19840707_b ia189 1984.07.08-06:10:30.7 BAS_STAT HRAS_085 WETTZELL 46 46 67.876 0.91 19840707_b ia189 1984.07.08-06:10:30.7 BAS_STAT RICHMOND WESTFORD 59 60 76.550 1.01 19840707_b ia189 1984.07.08-06:10:30.7 BAS_STAT RICHMOND WETTZELL 34 34 127.145 1.08 19840707_b ia189 1984.07.08-06:10:30.7 BAS_STAT WESTFORD WETTZELL 81 81 71.827 1.08 19840707_b ia189 1984.07.08-06:10:30.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 20 72.937 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 0212+735 J0217+7349 26 27 42 70.034 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 0229+131 J0231+1322 26 26 27 58.099 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 0528+134 J0530+1331 32 32 35 67.319 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 0552+398 J0555+3948 27 28 34 45.793 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 1803+784 J1800+7828 21 23 25 52.534 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 2134+00 J2136+0041 28 28 34 44.730 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 3C273B J1229+0203 19 21 23 28.299 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 3C345 J1642+3948 32 32 40 42.371 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 3C454.3 J2253+1608 24 24 28 50.259 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: 4C39.25 J0927+3902 26 26 38 60.638 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: OJ287 J0854+2006 33 33 36 105.520 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: OQ208 J1407+2827 22 22 31 95.295 19840707_b ia189 1984.07.08-06:10:30.720 SRC_STAT: VR422201 J2202+4216 16 17 30 73.901 19840707_b ia189 1984.07.08-06:10:30.720 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.08-06:09:58 1. HRAS_085 7216 NOAM X Comp -1324211074.14 mm -57.139 mm 8.763 mm 10.497 mm 2. HRAS_085 7216 NOAM Y Comp -5332023102.19 mm -20.192 mm 24.428 mm 29.260 mm 3. HRAS_085 7216 NOAM Z Comp 3232118440.57 mm 133.565 mm 17.271 mm 20.687 mm HRAS_085 7216 U Comp 96.78 mm 96.775 mm 29.017 mm 28.832 mm HRAS_085 7216 E Comp -50.59 mm -50.588 mm 7.715 mm 7.665 mm HRAS_085 7216 N Comp 97.92 mm 97.917 mm 8.383 mm 8.330 mm 4. HRAS_085 CL 0 1984.07.07-18:07:40.296 18372.061 ns 0.206 ns 0.247 ns 5. HRAS_085 CL 1 1984.07.07-18:07:40.296 132.170 D-14 2.111 D-14 2.528 D-14 6. HRAS_085 CL 2 1984.07.07-18:07:40.296 -1.866 D-14/day 1.870 D-14/day 2.240 D-14/day 32. HRAS_085 AT 0 1984.07.07-18:07:40.296 -80.935 ps 77.798 ps 93.186 ps HRAS_085 Atm 1984.07.08-06:38:12.480 Avg: -59.362 ps Rms: 31.253 ps Tot_Rms: 67.086 ps || Nat: 95 Dura: 85080.0 sec Tzd_avg: 6773.6 Tzd_rms: 41.5 Wzd_avg: 390.9 Wzd_rms: 47.4 ps Prs_avg: 84164. Pa Tem_avg: 19.3 C Stm_avg: -2.9 C Stm_rms: 0.8 K Spr_avg: 56. Spr_rms: 52. Pa 108. HRAS_085 NG 1984.07.07-18:06:40.296 0.017 mm 0.422 mm 0.505 mm 109. HRAS_085 EG 1984.07.07-18:06:40.296 -0.021 mm 0.422 mm 0.505 mm 110. HRAS_085 NG 1984.07.08-02:06:40.296 0.031 mm 0.377 mm 0.451 mm 111. HRAS_085 EG 1984.07.08-02:06:40.296 0.031 mm 0.377 mm 0.451 mm 112. HRAS_085 NG 1984.07.08-10:06:40.296 0.012 mm 0.377 mm 0.451 mm 113. HRAS_085 EG 1984.07.08-10:06:40.296 -0.039 mm 0.377 mm 0.451 mm 114. HRAS_085 NG 1984.07.08-18:06:40.296 -0.010 mm 0.422 mm 0.505 mm 115. HRAS_085 EG 1984.07.08-18:06:40.296 -0.032 mm 0.422 mm 0.505 mm 116. RICHMOND 7219 NOAM X Comp 961257947.86 mm -71.137 mm 8.180 mm 9.797 mm 117. RICHMOND 7219 NOAM Y Comp -5674089936.14 mm 113.857 mm 24.819 mm 29.729 mm 118. RICHMOND 7219 NOAM Z Comp 2740533771.78 mm -26.217 mm 15.641 mm 18.734 mm RICHMOND 7219 U Comp -123.27 mm -123.274 mm 28.319 mm 28.138 mm RICHMOND 7219 E Comp -51.12 mm -51.120 mm 7.498 mm 7.450 mm RICHMOND 7219 N Comp 30.02 mm 30.025 mm 8.328 mm 8.275 mm 119. RICHMOND CL 0 1984.07.07-18:07:40.296 20768.040 ns 0.188 ns 0.225 ns 120. RICHMOND CL 1 1984.07.07-18:07:40.296 -28.003 D-14 2.089 D-14 2.503 D-14 121. RICHMOND CL 2 1984.07.07-18:07:40.296 -5.767 D-14/day 1.812 D-14/day 2.170 D-14/day 147. RICHMOND AT 0 1984.07.07-18:07:40.296 138.191 ps 68.159 ps 81.641 ps RICHMOND Atm 1984.07.08-06:38:12.480 Avg: 45.358 ps Rms: 38.054 ps Tot_Rms: 59.207 ps || Nat: 90 Dura: 86680.0 sec Tzd_avg: 8666.2 Tzd_rms: 28.3 Wzd_avg: 974.7 Wzd_rms: 28.3 ps Prs_avg: 101526. Pa Tem_avg: 25.0 C Stm_avg: -3.4 C Stm_rms: 2.7 K Spr_avg: -72. Spr_rms: 47. Pa 223. RICHMOND NG 1984.07.07-18:06:40.296 -0.026 mm 0.422 mm 0.506 mm 224. RICHMOND EG 1984.07.07-18:06:40.296 0.027 mm 0.422 mm 0.505 mm 225. RICHMOND NG 1984.07.08-02:06:40.296 -0.015 mm 0.377 mm 0.451 mm 226. RICHMOND EG 1984.07.08-02:06:40.296 -0.015 mm 0.377 mm 0.451 mm 227. RICHMOND NG 1984.07.08-10:06:40.296 0.005 mm 0.377 mm 0.451 mm 228. RICHMOND EG 1984.07.08-10:06:40.296 -0.016 mm 0.377 mm 0.451 mm 229. RICHMOND NG 1984.07.08-18:06:40.296 0.022 mm 0.422 mm 0.506 mm 230. RICHMOND EG 1984.07.08-18:06:40.296 0.015 mm 0.422 mm 0.505 mm 231. WESTFORD 7209 NOAM X Comp 1492206579.58 mm 36.581 mm 7.181 mm 8.601 mm 232. WESTFORD 7209 NOAM Y Comp -4458130426.04 mm 95.961 mm 15.192 mm 18.197 mm 233. WESTFORD 7209 NOAM Z Comp 4296015514.41 mm -32.591 mm 13.802 mm 16.532 mm WESTFORD 7209 U Comp -80.49 mm -80.490 mm 19.692 mm 19.566 mm WESTFORD 7209 E Comp 65.15 mm 65.148 mm 7.246 mm 7.200 mm WESTFORD 7209 N Comp 29.76 mm 29.764 mm 5.708 mm 5.672 mm 234. WESTFORD AT 0 1984.07.07-18:07:40.296 -146.762 ps 36.516 ps 43.739 ps WESTFORD Atm 1984.07.08-06:38:12.480 Avg: -157.454 ps Rms: 178.600 ps Tot_Rms: 238.096 ps || Nat: 135 Dura: 86680.0 sec Tzd_avg: 8333.9 Tzd_rms: 240.7 Wzd_avg: 762.1 Wzd_rms: 259.9 ps Prs_avg: 100230. Pa Tem_avg: 16.7 C Stm_avg: -0.7 C Stm_rms: 2.3 K Spr_avg: 170. Spr_rms: 70. Pa 310. WESTFORD NG 1984.07.07-18:06:40.296 -0.009 mm 0.422 mm 0.505 mm 311. WESTFORD EG 1984.07.07-18:06:40.296 -0.055 mm 0.422 mm 0.505 mm 312. WESTFORD NG 1984.07.08-02:06:40.296 -0.014 mm 0.376 mm 0.451 mm 313. WESTFORD EG 1984.07.08-02:06:40.296 -0.040 mm 0.376 mm 0.450 mm 314. WESTFORD NG 1984.07.08-10:06:40.296 -0.034 mm 0.377 mm 0.451 mm 315. WESTFORD EG 1984.07.08-10:06:40.296 0.055 mm 0.376 mm 0.451 mm 316. WESTFORD NG 1984.07.08-18:06:40.296 -0.048 mm 0.422 mm 0.505 mm 317. WESTFORD EG 1984.07.08-18:06:40.296 -0.011 mm 0.421 mm 0.504 mm 318. WETTZELL 7224 EURA X Comp 4075539932.69 mm 91.695 mm 18.437 mm 22.083 mm 319. WETTZELL 7224 EURA Y Comp 931735124.37 mm -189.626 mm 13.760 mm 16.481 mm 320. WETTZELL 7224 EURA Z Comp 4801629318.24 mm -74.758 mm 22.960 mm 27.502 mm WETTZELL 7224 U Comp -25.72 mm -25.716 mm 28.133 mm 27.953 mm WETTZELL 7224 E Comp -205.29 mm -205.292 mm 13.632 mm 13.545 mm WETTZELL 7224 N Comp -84.55 mm -84.548 mm 8.893 mm 8.836 mm 321. WETTZELL CL 0 1984.07.07-18:07:40.296 3663.074 ns 0.204 ns 0.244 ns 322. WETTZELL CL 1 1984.07.07-18:07:40.296 -205.598 D-14 2.176 D-14 2.607 D-14 323. WETTZELL CL 2 1984.07.07-18:07:40.296 -6.243 D-14/day 1.895 D-14/day 2.270 D-14/day 349. WETTZELL AT 0 1984.07.07-18:07:40.296 16.089 ps 46.307 ps 55.467 ps WETTZELL Atm 1984.07.08-06:38:12.480 Avg: -80.576 ps Rms: 36.380 ps Tot_Rms: 88.408 ps || Nat: 94 Dura: 83968.0 sec Tzd_avg: 7439.7 Tzd_rms: 33.2 Wzd_avg: 245.1 Wzd_rms: 30.0 ps Prs_avg: 95327. Pa Tem_avg: 16.5 C Stm_avg: 2.1 C Stm_rms: 1.6 K Spr_avg: 428. Spr_rms: 32. Pa 425. WETTZELL NG 1984.07.07-18:06:40.296 -0.031 mm 0.422 mm 0.506 mm 426. WETTZELL EG 1984.07.07-18:06:40.296 0.020 mm 0.422 mm 0.506 mm 427. WETTZELL NG 1984.07.08-02:06:40.296 -0.001 mm 0.377 mm 0.451 mm 428. WETTZELL EG 1984.07.08-02:06:40.296 -0.011 mm 0.377 mm 0.452 mm 429. WETTZELL NG 1984.07.08-10:06:40.296 -0.001 mm 0.377 mm 0.451 mm 430. WETTZELL EG 1984.07.08-10:06:40.296 -0.002 mm 0.377 mm 0.452 mm 431. WETTZELL NG 1984.07.08-18:06:40.296 -0.001 mm 0.422 mm 0.506 mm 432. WETTZELL EG 1984.07.08-18:06:40.296 0.009 mm 0.422 mm 0.506 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 16.99 ps/h NRMS 0.34 share 0.89 count 76 2. RICHMOND Input 50.00 ps/h RMS 12.50 ps/h NRMS 0.25 share 0.92 count 76 3. WESTFORD Input 50.00 ps/h RMS 48.72 ps/h NRMS 0.97 share 0.83 count 76 4. WETTZELL Input 50.00 ps/h RMS 16.35 ps/h NRMS 0.33 share 0.87 count 76 Overall RMS 27.78 ps/h NRMS 0.56 share 0.88 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.07 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.87 D-14 NRMS 0.57 share 0.29 count 26 2. RICHMOND Input 5.00 D-14 RMS 2.82 D-14 NRMS 0.56 share 0.33 count 26 4. WETTZELL Input 5.00 D-14 RMS 2.90 D-14 NRMS 0.58 share 0.34 count 26 Overall RMS 2.86 D-14 NRMS 0.57 share 0.32 count 78 433. UT1-TAI 1, 1984.07.08-06:10:00.000 -0.7930 ms/d -110.69 micros/d 60.46 micros/d 72.41 micros/d EOP epoch (TDT) MJD: 45889.257317 NUT epoch (TDT) MJD: 45889.258274 434. Nutation DPSI wrt apriori model 1984.07.08-06:09:58.536 -0.635 mas 976.4 microasec 1169.5 microasec Nutation Dx wrt apriori model 1984.07.08-06:09:58.536 -0.252 mas 387.3 microasec 464.0 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.08-06:09:58.536 -2.807 mas 976.4 microasec 1169.5 microasec 435. Nutation DEPS wrt apriori model 1984.07.08-06:09:58.536 -0.203 mas 311.5 microasec 373.2 microasec Nutation Dy wrt apriori model 1984.07.08-06:09:58.536 -0.204 mas 312.9 microasec 374.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.08-06:09:58.536 0.099 mas 311.5 microasec 373.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5501 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632822.93 9.75 2362632822.93 9.75 78.97 7.21 193.54 50.30 HRAS_085 7216 to WESTFORD 7209 3134928036.39 10.07 3134928036.39 10.07 97.02 5.23 191.96 40.65 HRAS_085 7216 to WETTZELL 7224 8417561550.23 32.95 8417561550.23 32.95 294.08 6.93 54.30 41.51 RICHMOND 7219 to WESTFORD 7209 2044501756.27 8.98 2044501756.27 8.98 103.88 5.93 -31.90 38.55 RICHMOND 7219 to WETTZELL 7224 7588398504.48 29.19 7588398504.48 29.19 206.20 8.61 -184.73 43.97 WESTFORD 7209 to WETTZELL 7224 5998325364.92 20.35 5998325364.92 20.35 153.72 5.43 -82.73 38.64 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:56 Correlator type: Unknown Experiment code: ia190 Mark-3 db_name: $84JUL12XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840712_a Ver 2 ia190 Matrix Condition Number = 1.436412921245461E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.1 3.3 840.6 0.9 56.0 3.7 RICHMOND MET 22.8 2.6 1015.7 1.8 51.9 8.6 WESTFORD MET 23.5 2.6 999.1 2.4 17.4 0.4 WETTZELL MET 16.8 0.7 952.1 0.7 87.3 7.7 Run 26091-1745 473 Observation Pairs Available Session started on: 2445894.250300 1984.07.12 18:00:25.920 UTC Nominal duration: 93787.200 sec 01 02:03:07.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 389 56.849 ps 1.03 1.4922 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 400 Number of potentially good observations with QC 5-9: 400 Number of used observations: 389 ( 97.25%) Number of suppressed observations: 11 ( 2.75%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 63 65 40.058 1.02 19840712_a ia190 1984.07.13-07:01:59.5 BAS_STAT HRAS_085 WESTFORD 86 88 51.923 0.96 19840712_a ia190 1984.07.13-07:01:59.5 BAS_STAT HRAS_085 WETTZELL 46 49 69.144 1.01 19840712_a ia190 1984.07.13-07:01:59.5 BAS_STAT RICHMOND WESTFORD 74 75 56.431 1.14 19840712_a ia190 1984.07.13-07:01:59.5 BAS_STAT RICHMOND WETTZELL 31 33 129.462 1.03 19840712_a ia190 1984.07.13-07:01:59.5 BAS_STAT WESTFORD WETTZELL 89 90 77.567 1.00 19840712_a ia190 1984.07.13-07:01:59.5 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 16 16 20 84.609 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 0212+735 J0217+7349 31 32 45 101.036 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 0229+131 J0231+1322 23 23 27 55.370 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 0528+134 J0530+1331 35 36 37 64.548 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 0552+398 J0555+3948 41 41 41 50.300 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 1803+784 J1800+7828 28 28 28 73.776 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 2134+00 J2136+0041 22 25 31 49.084 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 3C273B J1229+0203 22 25 30 28.751 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 3C345 J1642+3948 31 31 37 35.776 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 3C454.3 J2253+1608 20 21 29 55.428 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: 4C39.25 J0927+3902 33 33 42 68.527 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: OJ287 J0854+2006 43 43 44 70.547 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: OQ208 J1407+2827 26 28 32 82.559 19840712_a ia190 1984.07.13-07:01:59.520 SRC_STAT: VR422201 J2202+4216 18 18 30 122.273 19840712_a ia190 1984.07.13-07:01:59.520 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.13-07:01:27 1. HRAS_085 7216 NOAM X Comp -1324211125.23 mm -108.235 mm 8.397 mm 10.257 mm 2. HRAS_085 7216 NOAM Y Comp -5332022976.06 mm 105.944 mm 23.505 mm 28.712 mm 3. HRAS_085 7216 NOAM Z Comp 3232118443.29 mm 136.287 mm 16.619 mm 20.301 mm HRAS_085 7216 U Comp 3.43 mm 3.429 mm 27.927 mm 28.648 mm HRAS_085 7216 E Comp -130.58 mm -130.579 mm 7.340 mm 7.530 mm HRAS_085 7216 N Comp 156.37 mm 156.366 mm 8.085 mm 8.294 mm 4. HRAS_085 AT 0 1984.07.12-17:59:53.736 8.843 ps 84.314 ps 102.993 ps HRAS_085 Atm 1984.07.13-07:00:25.920 Avg: 20.983 ps Rms: 24.853 ps Tot_Rms: 32.526 ps || Nat: 104 Dura: 93790.0 sec Tzd_avg: 6833.7 Tzd_rms: 60.5 Wzd_avg: 458.7 Wzd_rms: 65.8 ps Prs_avg: 84059. Pa Tem_avg: 19.1 C Stm_avg: -1.6 C Stm_rms: 0.8 K Spr_avg: 24. Spr_rms: 54. Pa 83. HRAS_085 NG 1984.07.12-17:58:53.736 -0.020 mm 0.422 mm 0.515 mm 84. HRAS_085 EG 1984.07.12-17:58:53.736 0.064 mm 0.422 mm 0.515 mm 85. HRAS_085 NG 1984.07.13-01:58:53.736 -0.014 mm 0.377 mm 0.460 mm 86. HRAS_085 EG 1984.07.13-01:58:53.736 0.056 mm 0.376 mm 0.460 mm 87. HRAS_085 NG 1984.07.13-09:58:53.736 -0.011 mm 0.377 mm 0.460 mm 88. HRAS_085 EG 1984.07.13-09:58:53.736 -0.055 mm 0.377 mm 0.460 mm 89. HRAS_085 NG 1984.07.13-17:58:53.736 -0.005 mm 0.422 mm 0.515 mm 90. HRAS_085 EG 1984.07.13-17:58:53.736 -0.051 mm 0.421 mm 0.515 mm 91. RICHMOND 7219 NOAM X Comp 961257889.40 mm -129.599 mm 7.363 mm 8.995 mm 92. RICHMOND 7219 NOAM Y Comp -5674089966.33 mm 83.671 mm 24.547 mm 29.986 mm 93. RICHMOND 7219 NOAM Z Comp 2740533814.35 mm 16.353 mm 14.766 mm 18.038 mm RICHMOND 7219 U Comp -86.84 mm -86.839 mm 27.766 mm 28.483 mm RICHMOND 7219 E Comp -113.80 mm -113.803 mm 6.941 mm 7.120 mm RICHMOND 7219 N Comp 59.77 mm 59.767 mm 7.463 mm 7.656 mm 94. RICHMOND CL 0 1984.07.12-17:59:53.736 1609.750 ns 0.252 ns 0.308 ns 95. RICHMOND CL 1 1984.07.12-17:59:53.736 -206.529 D-14 2.008 D-14 2.452 D-14 96. RICHMOND CL 2 1984.07.12-17:59:53.736 -5.725 D-14/day 1.619 D-14/day 1.978 D-14/day 123. RICHMOND AT 0 1984.07.12-17:59:53.736 68.612 ps 70.054 ps 85.574 ps RICHMOND Atm 1984.07.13-07:00:25.920 Avg: -1.914 ps Rms: 30.482 ps Tot_Rms: 30.542 ps || Nat: 100 Dura: 93790.0 sec Tzd_avg: 8741.7 Tzd_rms: 62.0 Wzd_avg: 1048.2 Wzd_rms: 56.0 ps Prs_avg: 101578. Pa Tem_avg: 23.0 C Stm_avg: -4.8 C Stm_rms: 2.3 K Spr_avg: -78. Spr_rms: 210. Pa 202. RICHMOND NG 1984.07.12-17:58:53.736 -0.007 mm 0.422 mm 0.515 mm 203. RICHMOND EG 1984.07.12-17:58:53.736 -0.095 mm 0.421 mm 0.514 mm 204. RICHMOND NG 1984.07.13-01:58:53.736 -0.033 mm 0.377 mm 0.460 mm 205. RICHMOND EG 1984.07.13-01:58:53.736 -0.037 mm 0.376 mm 0.460 mm 206. RICHMOND NG 1984.07.13-09:58:53.736 0.028 mm 0.377 mm 0.460 mm 207. RICHMOND EG 1984.07.13-09:58:53.736 0.081 mm 0.376 mm 0.460 mm 208. RICHMOND NG 1984.07.13-17:58:53.736 0.022 mm 0.421 mm 0.515 mm 209. RICHMOND EG 1984.07.13-17:58:53.736 0.095 mm 0.420 mm 0.513 mm 210. WESTFORD 7209 NOAM X Comp 1492206554.66 mm 11.663 mm 6.724 mm 8.214 mm 211. WESTFORD 7209 NOAM Y Comp -4458130434.84 mm 87.162 mm 13.872 mm 16.945 mm 212. WESTFORD 7209 NOAM Z Comp 4296015526.11 mm -20.894 mm 12.477 mm 15.241 mm WESTFORD 7209 U Comp -72.25 mm -72.251 mm 17.713 mm 18.170 mm WESTFORD 7209 E Comp 38.73 mm 38.726 mm 7.000 mm 7.180 mm WESTFORD 7209 N Comp 38.08 mm 38.078 mm 5.529 mm 5.672 mm 213. WESTFORD CL 0 1984.07.12-17:59:53.736 -18898.608 ns 0.201 ns 0.245 ns 214. WESTFORD CL 1 1984.07.12-17:59:53.736 -117.450 D-14 2.003 D-14 2.447 D-14 215. WESTFORD CL 2 1984.07.12-17:59:53.736 -7.895 D-14/day 1.614 D-14/day 1.972 D-14/day 242. WESTFORD AT 0 1984.07.12-17:59:53.736 5.743 ps 48.486 ps 59.228 ps WESTFORD Atm 1984.07.13-07:00:25.920 Avg: -8.704 ps Rms: 49.696 ps Tot_Rms: 50.452 ps || Nat: 149 Dura: 93790.0 sec Tzd_avg: 8040.7 Tzd_rms: 43.9 Wzd_avg: 488.7 Wzd_rms: 31.1 ps Prs_avg: 99890. Pa Tem_avg: 23.6 C Stm_avg: 1.0 C Stm_rms: 1.1 K Spr_avg: 207. Spr_rms: 26. Pa 321. WESTFORD NG 1984.07.12-17:58:53.736 0.034 mm 0.422 mm 0.515 mm 322. WESTFORD EG 1984.07.12-17:58:53.736 0.038 mm 0.421 mm 0.515 mm 323. WESTFORD NG 1984.07.13-01:58:53.736 0.061 mm 0.376 mm 0.460 mm 324. WESTFORD EG 1984.07.13-01:58:53.736 -0.023 mm 0.375 mm 0.458 mm 325. WESTFORD NG 1984.07.13-09:58:53.736 -0.038 mm 0.377 mm 0.460 mm 326. WESTFORD EG 1984.07.13-09:58:53.736 -0.037 mm 0.376 mm 0.459 mm 327. WESTFORD NG 1984.07.13-17:58:53.736 -0.072 mm 0.421 mm 0.514 mm 328. WESTFORD EG 1984.07.13-17:58:53.736 -0.049 mm 0.420 mm 0.513 mm 329. WETTZELL 7224 EURA X Comp 4075540067.17 mm 226.171 mm 17.403 mm 21.259 mm 330. WETTZELL 7224 EURA Y Comp 931735037.22 mm -276.776 mm 14.129 mm 17.259 mm 331. WETTZELL 7224 EURA Z Comp 4801629261.25 mm -131.747 mm 22.083 mm 26.975 mm WETTZELL 7224 U Comp 4.23 mm 4.228 mm 26.878 mm 27.571 mm WETTZELL 7224 E Comp -320.22 mm -320.221 mm 13.849 mm 14.207 mm WETTZELL 7224 N Comp -206.29 mm -206.291 mm 8.714 mm 8.939 mm 332. WETTZELL CL 0 1984.07.12-17:59:53.736 -16830.260 ns 0.412 ns 0.503 ns 333. WETTZELL CL 1 1984.07.12-17:59:53.736 -367.313 D-14 2.462 D-14 3.007 D-14 334. WETTZELL CL 2 1984.07.12-17:59:53.736 -4.135 D-14/day 1.892 D-14/day 2.311 D-14/day 361. WETTZELL AT 0 1984.07.12-17:59:53.736 24.023 ps 61.973 ps 75.703 ps WETTZELL Atm 1984.07.13-07:00:25.920 Avg: -55.204 ps Rms: 50.782 ps Tot_Rms: 75.009 ps || Nat: 95 Dura: 86120.0 sec Tzd_avg: 7772.8 Tzd_rms: 35.5 Wzd_avg: 604.3 Wzd_rms: 36.1 ps Prs_avg: 95219. Pa Tem_avg: 16.8 C Stm_avg: -2.0 C Stm_rms: 1.0 K Spr_avg: 502. Spr_rms: 15. Pa 440. WETTZELL NG 1984.07.12-17:58:53.736 -0.002 mm 0.422 mm 0.516 mm 441. WETTZELL EG 1984.07.12-17:58:53.736 0.012 mm 0.422 mm 0.516 mm 442. WETTZELL NG 1984.07.13-01:58:53.736 -0.003 mm 0.377 mm 0.460 mm 443. WETTZELL EG 1984.07.13-01:58:53.736 -0.001 mm 0.377 mm 0.461 mm 444. WETTZELL NG 1984.07.13-09:58:53.736 0.006 mm 0.377 mm 0.460 mm 445. WETTZELL EG 1984.07.13-09:58:53.736 -0.024 mm 0.377 mm 0.460 mm 446. WETTZELL NG 1984.07.13-17:58:53.736 0.004 mm 0.422 mm 0.516 mm 447. WETTZELL EG 1984.07.13-17:58:53.736 0.018 mm 0.422 mm 0.516 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 14.20 ps/h NRMS 0.28 share 0.88 count 79 2. RICHMOND Input 50.00 ps/h RMS 15.85 ps/h NRMS 0.32 share 0.91 count 79 3. WESTFORD Input 50.00 ps/h RMS 27.02 ps/h NRMS 0.54 share 0.84 count 79 4. WETTZELL Input 50.00 ps/h RMS 21.38 ps/h NRMS 0.43 share 0.88 count 79 Overall RMS 20.25 ps/h NRMS 0.40 share 0.88 count 316 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.14 mm/d NRMS 0.07 share 0.54 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 3.37 D-14 NRMS 0.67 share 0.25 count 27 3. WESTFORD Input 5.00 D-14 RMS 4.15 D-14 NRMS 0.83 share 0.23 count 27 4. WETTZELL Input 5.00 D-14 RMS 1.70 D-14 NRMS 0.34 share 0.37 count 27 Overall RMS 3.24 D-14 NRMS 0.65 share 0.28 count 81 448. UT1-TAI 1, 1984.07.13-07:02:00.000 -0.0895 ms/d 74.11 micros/d 48.70 micros/d 59.49 micros/d EOP epoch (TDT) MJD: 45894.293428 NUT epoch (TDT) MJD: 45894.318800 449. Nutation DPSI wrt apriori model 1984.07.13-07:01:27.336 -1.518 mas 855.4 microasec 1044.9 microasec Nutation Dx wrt apriori model 1984.07.13-07:01:27.336 -0.602 mas 339.3 microasec 414.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.13-07:01:27.336 -4.187 mas 855.4 microasec 1044.9 microasec 450. Nutation DEPS wrt apriori model 1984.07.13-07:01:27.336 -0.492 mas 273.6 microasec 334.2 microasec Nutation Dy wrt apriori model 1984.07.13-07:01:27.336 -0.494 mas 274.8 microasec 335.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.13-07:01:27.336 -0.701 mas 273.6 microasec 334.2 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5954 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.13 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632830.15 8.99 2362632830.15 8.99 117.95 6.27 36.99 49.28 HRAS_085 7216 to WESTFORD 7209 3134928025.34 9.87 3134928025.34 9.87 175.35 4.72 79.19 37.88 HRAS_085 7216 to WETTZELL 7224 8417561499.42 31.95 8417561499.42 31.95 559.89 6.99 -46.99 39.75 RICHMOND 7219 to WESTFORD 7209 2044501754.21 8.34 2044501754.21 8.34 145.71 4.55 -3.93 36.30 RICHMOND 7219 to WETTZELL 7224 7588398507.03 29.41 7588398507.03 29.41 425.45 7.46 -232.71 42.18 WESTFORD 7209 to WETTZELL 7224 5998325357.38 20.02 5998325357.38 20.02 337.85 5.60 -130.70 36.55 NNT_POS: 4 stations participated in NNT_POS constraints: GILCREEK NOME SNDPOINT VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1745 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:45:59 Correlator type: Unknown Experiment code: dsn843 Mark-3 db_name: $84JUL14X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840714_a Ver 2 dsn843 Matrix Condition Number = 4.601600873180847E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | NOME : GION | | SNDPOINT: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for NOME is 5.0 Elevation cut for SNDPOINT is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 15.6 2.9 976.3 3.9 95.2 14.3 NOME MET 18.6 2.4 977.5 2.5 38.6 0.3 SNDPOINT MET -999.0 0.0 -999.0 0.0-99900.0 0.0 VNDNBERG MET 22.9 3.1 1013.9 1.3 87.2 51.9 Run 26091-1745 538 Observation Pairs Available Session started on: 2445896.169200 1984.07.14 16:03:38.880 UTC Nominal duration: 186226.560 sec 02 03:43:46.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 279 31.608 ps 0.90 1.5097 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 288 Number of potentially good observations with QC 5-9: 288 Number of used observations: 279 ( 96.88%) Number of suppressed observations: 9 ( 3.12%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK NOME 202 206 31.066 0.96 19840714_a dsn843 1984.07.15-17:55:32.1 BAS_STAT GILCREEK SNDPOINT 47 47 85.977 0.83 19840714_a dsn843 1984.07.15-17:55:32.1 BAS_STAT GILCREEK VNDNBERG 26 30 16.840 0.57 19840714_a dsn843 1984.07.15-17:55:32.1 BAS_STAT NOME VNDNBERG 4 5 29.458 0.20 19840714_a dsn843 1984.07.15-17:55:32.1 BAS_STAT Not included: NOME SNDPOINT 0/ 0 deselected baseline 19840714_a dsn843 SNDPOINT VNDNBERG 0/ 0 deselected baseline 19840714_a dsn843 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 20 38.017 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 0528+134 J0530+1331 25 25 40 57.813 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 0552+398 J0555+3948 35 35 62 40.433 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 2134+00 J2136+0041 16 16 29 21.821 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 3C273B J1229+0203 13 14 38 15.898 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 3C345 J1642+3948 31 33 74 12.356 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 3C454.3 J2253+1608 16 16 44 25.904 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 3C84 J0319+4130 45 49 72 27.697 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: 4C39.25 J0927+3902 35 36 63 38.474 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: NRAO150 J0359+5057 49 50 90 51.388 19840714_a dsn843 1984.07.15-17:55:32.160 SRC_STAT: NRAO530 J1733-1304 1 1 6 20.657 19840714_a dsn843 1984.07.15-17:55:32.160 ------------------------------------------------ Parameter adjustments for run 26091-1745 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.15-17:54:59 1. GILCREEK 7225 NOAM X Comp -2281547448.94 mm -64.937 mm 30.298 mm 37.227 mm 2. GILCREEK 7225 NOAM Y Comp -1453644998.22 mm 115.784 mm 24.038 mm 29.536 mm 3. GILCREEK 7225 NOAM Z Comp 5756993328.28 mm 201.281 mm 46.853 mm 57.568 mm GILCREEK 7225 U Comp 179.24 mm 179.240 mm 57.498 mm 51.820 mm GILCREEK 7225 E Comp -132.54 mm -132.541 mm 12.335 mm 11.117 mm GILCREEK 7225 N Comp 91.88 mm 91.884 mm 15.256 mm 13.749 mm 4. GILCREEK AT 0 1984.07.14-16:03:06.696 14.265 ps 67.867 ps 83.389 ps GILCREEK Atm 1984.07.15-18:03:38.880 Avg: -13.213 ps Rms: 48.174 ps Tot_Rms: 49.953 ps || Nat: 288 Dura: 186220.0 sec Tzd_avg: 7876.9 Tzd_rms: 46.5 Wzd_avg: 495.3 Wzd_rms: 24.1 ps Prs_avg: 97676. Pa Tem_avg: 15.7 C Stm_avg: 0.2 C Stm_rms: 1.6 K Spr_avg: 57. Spr_rms: 49. Pa 161. GILCREEK NG 1984.07.14-16:02:06.696 -0.015 mm 0.422 mm 0.518 mm 162. GILCREEK EG 1984.07.14-16:02:06.696 -0.042 mm 0.421 mm 0.518 mm 163. GILCREEK NG 1984.07.15-00:02:06.696 -0.054 mm 0.376 mm 0.461 mm 164. GILCREEK EG 1984.07.15-00:02:06.696 0.002 mm 0.375 mm 0.461 mm 165. GILCREEK NG 1984.07.15-08:02:06.696 -0.031 mm 0.372 mm 0.457 mm 166. GILCREEK EG 1984.07.15-08:02:06.696 -0.016 mm 0.372 mm 0.457 mm 167. GILCREEK NG 1984.07.15-16:02:06.696 -0.022 mm 0.371 mm 0.456 mm 168. GILCREEK EG 1984.07.15-16:02:06.696 0.003 mm 0.371 mm 0.456 mm 169. GILCREEK NG 1984.07.16-00:02:06.696 0.013 mm 0.371 mm 0.456 mm 170. GILCREEK EG 1984.07.16-00:02:06.696 0.010 mm 0.372 mm 0.457 mm 171. GILCREEK NG 1984.07.16-08:02:06.696 0.061 mm 0.375 mm 0.461 mm 172. GILCREEK EG 1984.07.16-08:02:06.696 -0.034 mm 0.376 mm 0.462 mm 173. GILCREEK NG 1984.07.16-16:02:06.696 0.037 mm 0.421 mm 0.517 mm 174. GILCREEK EG 1984.07.16-16:02:06.696 0.063 mm 0.420 mm 0.516 mm 175. NOME 7279 NOAM X Comp -2658150712.41 mm 27.590 mm 31.115 mm 38.232 mm 176. NOME 7279 NOAM Y Comp -693821854.15 mm 177.849 mm 23.961 mm 29.441 mm 177. NOME 7279 NOAM Z Comp 5737236772.39 mm 136.392 mm 49.872 mm 61.278 mm NOME 7279 U Comp 92.41 mm 92.411 mm 59.577 mm 53.694 mm NOME 7279 E Comp -165.12 mm -165.115 mm 17.667 mm 15.922 mm NOME 7279 N Comp 123.25 mm 123.253 mm 12.956 mm 11.677 mm 178. NOME CL 0 1984.07.14-16:03:06.696 -6213.184 ns 0.162 ns 0.199 ns 179. NOME CL 1 1984.07.14-16:03:06.696 191.524 D-14 1.398 D-14 1.717 D-14 180. NOME CL 2 1984.07.14-16:03:06.696 2.711 D-14/day 0.561 D-14/day 0.689 D-14/day 233. NOME AT 0 1984.07.14-16:03:06.696 -75.603 ps 63.500 ps 78.023 ps NOME Atm 1984.07.15-18:03:38.880 Avg: -46.664 ps Rms: 45.544 ps Tot_Rms: 65.206 ps || Nat: 265 Dura: 186220.0 sec Tzd_avg: 7703.4 Tzd_rms: 81.7 Wzd_avg: 290.7 Wzd_rms: 85.6 ps Prs_avg: 97780. Pa Tem_avg: 18.9 C Stm_avg: 2.6 C Stm_rms: 2.5 K Spr_avg: -150. Spr_rms: 30. Pa 390. NOME NG 1984.07.14-16:02:06.696 0.016 mm 0.422 mm 0.518 mm 391. NOME EG 1984.07.14-16:02:06.696 0.037 mm 0.421 mm 0.518 mm 392. NOME NG 1984.07.15-00:02:06.696 0.040 mm 0.376 mm 0.462 mm 393. NOME EG 1984.07.15-00:02:06.696 -0.016 mm 0.375 mm 0.461 mm 394. NOME NG 1984.07.15-08:02:06.696 0.024 mm 0.372 mm 0.457 mm 395. NOME EG 1984.07.15-08:02:06.696 0.003 mm 0.372 mm 0.457 mm 396. NOME NG 1984.07.15-16:02:06.696 0.009 mm 0.371 mm 0.456 mm 397. NOME EG 1984.07.15-16:02:06.696 -0.016 mm 0.372 mm 0.456 mm 398. NOME NG 1984.07.16-00:02:06.696 -0.018 mm 0.372 mm 0.457 mm 399. NOME EG 1984.07.16-00:02:06.696 -0.013 mm 0.372 mm 0.457 mm 400. NOME NG 1984.07.16-08:02:06.696 -0.043 mm 0.375 mm 0.461 mm 401. NOME EG 1984.07.16-08:02:06.696 0.052 mm 0.376 mm 0.462 mm 402. NOME NG 1984.07.16-16:02:06.696 -0.028 mm 0.421 mm 0.517 mm 403. NOME EG 1984.07.16-16:02:06.696 -0.000 mm 0.421 mm 0.517 mm 404. SNDPOINT 7280 NOAM X Comp -3425462072.62 mm 51.383 mm 85.138 mm 104.610 mm 405. SNDPOINT 7280 NOAM Y Comp -1214669040.38 mm 105.616 mm 56.027 mm 68.842 mm 406. SNDPOINT 7280 NOAM Z Comp 5223858247.21 mm 37.215 mm 124.500 mm 152.975 mm SNDPOINT 7280 U Comp -16.99 mm -16.985 mm 157.191 mm 141.668 mm SNDPOINT 7280 E Comp -82.37 mm -82.370 mm 30.631 mm 27.606 mm SNDPOINT 7280 N Comp 90.04 mm 90.036 mm 15.514 mm 13.982 mm 407. SNDPOINT CL 0 1984.07.14-16:03:06.696 -7587.392 ns 1.777 ns 2.183 ns 408. SNDPOINT CL 1 1984.07.14-16:03:06.696 158.724 D-14 3.042 D-14 3.738 D-14 409. SNDPOINT CL 2 1984.07.14-16:03:06.696 3.012 D-14/day 1.070 D-14/day 1.315 D-14/day 462. SNDPOINT AT 0 1984.07.14-16:03:06.696 213.331 ps 301.825 ps 370.857 ps SNDPOINT Atm 1984.07.15-18:03:38.880 Avg: 241.306 ps Rms: 27.020 ps Tot_Rms: 242.814 ps || Nat: 92 Dura: 140020.0 sec Tzd_avg: 7985.4 Tzd_rms: 46.4 Wzd_avg: 326.7 Wzd_rms: 47.3 ps Prs_avg: 100215. Pa Tem_avg: 14.4 C Stm_avg: 4.1 C Stm_rms: 2.1 K Spr_avg: -910. Spr_rms: 51. Pa 619. SNDPOINT NG 1984.07.14-16:02:06.696 0.001 mm 0.422 mm 0.519 mm 620. SNDPOINT EG 1984.07.14-16:02:06.696 0.001 mm 0.422 mm 0.519 mm 621. SNDPOINT NG 1984.07.15-00:02:06.696 0.002 mm 0.377 mm 0.463 mm 622. SNDPOINT EG 1984.07.15-00:02:06.696 0.001 mm 0.377 mm 0.463 mm 623. SNDPOINT NG 1984.07.15-08:02:06.696 0.007 mm 0.373 mm 0.458 mm 624. SNDPOINT EG 1984.07.15-08:02:06.696 0.005 mm 0.373 mm 0.458 mm 625. SNDPOINT NG 1984.07.15-16:02:06.696 0.011 mm 0.372 mm 0.458 mm 626. SNDPOINT EG 1984.07.15-16:02:06.696 0.006 mm 0.372 mm 0.458 mm 627. SNDPOINT NG 1984.07.16-00:02:06.696 0.002 mm 0.373 mm 0.458 mm 628. SNDPOINT EG 1984.07.16-00:02:06.696 0.002 mm 0.373 mm 0.458 mm 629. SNDPOINT NG 1984.07.16-08:02:06.696 -0.003 mm 0.377 mm 0.463 mm 630. SNDPOINT EG 1984.07.16-08:02:06.696 0.001 mm 0.377 mm 0.463 mm 631. SNDPOINT NG 1984.07.16-16:02:06.696 -0.021 mm 0.422 mm 0.519 mm 632. SNDPOINT EG 1984.07.16-16:02:06.696 -0.026 mm 0.422 mm 0.519 mm 633. VNDNBERG 7223 PCFC X Comp -2678095061.04 mm -14.036 mm 37.223 mm 45.736 mm 634. VNDNBERG 7223 PCFC Y Comp -4525450899.25 mm -399.248 mm 50.659 mm 62.246 mm 635. VNDNBERG 7223 PCFC Z Comp 3597410041.11 mm -374.888 mm 65.598 mm 80.601 mm VNDNBERG 7223 U Comp 76.22 mm 76.218 mm 83.065 mm 74.863 mm VNDNBERG 7223 E Comp 191.25 mm 191.253 mm 22.678 mm 20.439 mm VNDNBERG 7223 N Comp -507.69 mm -507.691 mm 28.997 mm 26.134 mm 636. VNDNBERG CL 0 1984.07.14-16:03:06.696 -5741.219 ns 0.391 ns 0.481 ns 637. VNDNBERG CL 1 1984.07.14-16:03:06.696 -6.165 D-14 1.520 D-14 1.868 D-14 638. VNDNBERG CL 2 1984.07.14-16:03:06.696 3.121 D-14/day 0.612 D-14/day 0.752 D-14/day 691. VNDNBERG AT 0 1984.07.14-16:03:06.696 46.966 ps 113.564 ps 139.538 ps VNDNBERG Atm 1984.07.15-18:03:38.880 Avg: -3.659 ps Rms: 26.802 ps Tot_Rms: 27.050 ps || Nat: 57 Dura: 182812.0 sec Tzd_avg: 8488.0 Tzd_rms: 91.6 Wzd_avg: 822.8 Wzd_rms: 81.8 ps Prs_avg: 101378. Pa Tem_avg: 22.9 C Stm_avg: 4.2 C Stm_rms: 2.9 K Spr_avg: 128. Spr_rms: 75. Pa 848. VNDNBERG NG 1984.07.14-16:02:06.696 0.001 mm 0.422 mm 0.519 mm 849. VNDNBERG EG 1984.07.14-16:02:06.696 0.004 mm 0.422 mm 0.519 mm 850. VNDNBERG NG 1984.07.15-00:02:06.696 -0.001 mm 0.377 mm 0.463 mm 851. VNDNBERG EG 1984.07.15-00:02:06.696 0.004 mm 0.377 mm 0.463 mm 852. VNDNBERG NG 1984.07.15-08:02:06.696 -0.001 mm 0.373 mm 0.458 mm 853. VNDNBERG EG 1984.07.15-08:02:06.696 0.002 mm 0.373 mm 0.458 mm 854. VNDNBERG NG 1984.07.15-16:02:06.696 -0.003 mm 0.372 mm 0.458 mm 855. VNDNBERG EG 1984.07.15-16:02:06.696 0.005 mm 0.372 mm 0.458 mm 856. VNDNBERG NG 1984.07.16-00:02:06.696 -0.005 mm 0.373 mm 0.458 mm 857. VNDNBERG EG 1984.07.16-00:02:06.696 0.004 mm 0.373 mm 0.458 mm 858. VNDNBERG NG 1984.07.16-08:02:06.696 -0.002 mm 0.377 mm 0.463 mm 859. VNDNBERG EG 1984.07.16-08:02:06.696 -0.000 mm 0.377 mm 0.463 mm 860. VNDNBERG NG 1984.07.16-16:02:06.696 0.010 mm 0.422 mm 0.519 mm 861. VNDNBERG EG 1984.07.16-16:02:06.696 -0.014 mm 0.422 mm 0.519 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 17.44 ps/h NRMS 0.35 share 0.86 count 157 2. NOME Input 50.00 ps/h RMS 16.23 ps/h NRMS 0.32 share 0.87 count 157 3. SNDPOINT Input 50.00 ps/h RMS 3.62 ps/h NRMS 0.07 share 0.98 count 157 4. VNDNBERG Input 50.00 ps/h RMS 5.68 ps/h NRMS 0.11 share 0.98 count 157 Overall RMS 12.38 ps/h NRMS 0.25 share 0.92 count 628 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.49 count 14 2. NOME Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.50 count 14 3. SNDPOINT Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.50 count 14 4. VNDNBERG Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.50 count 14 Overall RMS 0.08 mm/d NRMS 0.04 share 0.50 count 56 Clock Constraint Statistics 2. NOME Input 5.00 D-14 RMS 2.64 D-14 NRMS 0.53 share 0.18 count 53 3. SNDPOINT Input 5.00 D-14 RMS 1.49 D-14 NRMS 0.30 share 0.85 count 53 4. VNDNBERG Input 5.00 D-14 RMS 1.84 D-14 NRMS 0.37 share 0.81 count 53 Overall RMS 2.05 D-14 NRMS 0.41 share 0.62 count 159 862. UT1-TAI 1, 1984.07.15-17:55:00.000 -0.4962 ms/d 81.05 micros/d 67.35 micros/d 82.75 micros/d EOP epoch (TDT) MJD: 45896.746900 NUT epoch (TDT) MJD: 45896.795529 863. Nutation DPSI wrt apriori model 1984.07.15-17:54:59.976 1.032 mas 4427.0 microasec 5439.5 microasec Nutation Dx wrt apriori model 1984.07.15-17:54:59.976 0.415 mas 1756.5 microasec 2158.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.15-17:54:59.976 -1.958 mas 4427.0 microasec 5439.5 microasec 864. Nutation DEPS wrt apriori model 1984.07.15-17:54:59.976 -1.202 mas 1339.6 microasec 1646.0 microasec Nutation Dy wrt apriori model 1984.07.15-17:54:59.976 -1.200 mas 1345.7 microasec 1653.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.15-17:54:59.976 -1.408 mas 1339.6 microasec 1646.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.9031 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.15 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to NOME 7279 848263844.46 4.44 848263844.46 4.44 72.71 2.95 105.27 34.30 GILCREEK 7225 to SNDPOINT 7280 1284477788.58 24.83 1284477788.58 24.83 -45.72 38.65 192.52 207.80 GILCREEK 7225 to VNDNBERG 7223 3775849768.79 28.62 3775849768.79 28.62 -46.50 23.55 212.89 93.57 NOME 7279 to VNDNBERG 7223 4388694265.52 33.88 4388694265.52 33.88 107.85 24.70 130.59 94.58 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:02 Correlator type: Unknown Experiment code: ia191 Mark-3 db_name: $84JUL17XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840717_a Ver 2 ia191 Matrix Condition Number = 1.430084822758782E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.8 3.9 841.4 1.6 51.7 2.3 RICHMOND MET 25.3 2.9 1016.4 0.8 54.4 2.4 WESTFORD MET 20.4 2.0 997.2 1.7 21.2 28.4 WETTZELL MET 11.7 1.6 951.7 0.4 75.8 10.6 Run 26091-1746 454 Observation Pairs Available Session started on: 2445899.254100 1984.07.17 18:05:54.240 UTC Nominal duration: 85587.840 sec 00 23:46:27.840 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 348 45.768 ps 0.88 1.1508 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 359 Number of potentially good observations with QC 5-9: 359 Number of used observations: 348 ( 96.94%) Number of suppressed observations: 11 ( 3.06%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 54 54 48.672 1.04 19840717_a ia191 1984.07.18-05:59:08.1 BAS_STAT HRAS_085 WESTFORD 78 82 41.361 0.92 19840717_a ia191 1984.07.18-05:59:08.1 BAS_STAT HRAS_085 WETTZELL 45 46 51.924 0.89 19840717_a ia191 1984.07.18-05:59:08.1 BAS_STAT RICHMOND WESTFORD 54 54 36.224 0.76 19840717_a ia191 1984.07.18-05:59:08.1 BAS_STAT RICHMOND WETTZELL 28 32 74.303 0.87 19840717_a ia191 1984.07.18-05:59:08.1 BAS_STAT WESTFORD WETTZELL 89 91 47.995 0.82 19840717_a ia191 1984.07.18-05:59:08.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 20 54.093 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 0212+735 J0217+7349 24 25 45 50.850 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 0229+131 J0231+1322 21 21 27 58.035 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 0528+134 J0530+1331 30 30 34 50.265 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 0552+398 J0555+3948 27 29 35 43.957 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 1803+784 J1800+7828 29 29 29 56.678 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 2134+00 J2136+0041 25 26 34 38.571 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 3C273B J1229+0203 20 20 21 24.803 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 3C345 J1642+3948 30 30 40 23.709 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 3C454.3 J2253+1608 26 26 29 36.467 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: 4C39.25 J0927+3902 26 27 37 67.117 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: OJ287 J0854+2006 27 32 38 67.428 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: OQ208 J1407+2827 27 28 32 71.203 19840717_a ia191 1984.07.18-05:59:08.160 SRC_STAT: VR422201 J2202+4216 19 19 33 74.801 19840717_a ia191 1984.07.18-05:59:08.160 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.18-05:58:35 1. HRAS_085 7216 NOAM X Comp -1324211040.51 mm -23.508 mm 7.787 mm 8.354 mm 2. HRAS_085 7216 NOAM Y Comp -5332023058.15 mm 23.854 mm 23.096 mm 24.777 mm 3. HRAS_085 7216 NOAM Z Comp 3232118436.96 mm 129.956 mm 16.125 mm 17.298 mm HRAS_085 7216 U Comp 51.18 mm 51.181 mm 27.461 mm 24.279 mm HRAS_085 7216 E Comp -28.56 mm -28.564 mm 6.681 mm 5.907 mm HRAS_085 7216 N Comp 120.73 mm 120.727 mm 7.439 mm 6.577 mm 4. HRAS_085 CL 0 1984.07.17-18:05:22.056 19435.670 ns 0.212 ns 0.227 ns 5. HRAS_085 CL 1 1984.07.17-18:05:22.056 119.901 D-14 2.122 D-14 2.276 D-14 6. HRAS_085 CL 2 1984.07.17-18:05:22.056 0.333 D-14/day 1.842 D-14/day 1.976 D-14/day 31. HRAS_085 AT 0 1984.07.17-18:05:22.056 110.585 ps 74.295 ps 79.701 ps HRAS_085 Atm 1984.07.18-06:05:54.240 Avg: 89.289 ps Rms: 30.794 ps Tot_Rms: 94.450 ps || Nat: 97 Dura: 83680.0 sec Tzd_avg: 6754.8 Tzd_rms: 32.0 Wzd_avg: 374.7 Wzd_rms: 31.9 ps Prs_avg: 84126. Pa Tem_avg: 19.9 C Stm_avg: -3.6 C Stm_rms: 1.4 K Spr_avg: 61. Spr_rms: 85. Pa 104. HRAS_085 NG 1984.07.17-18:04:22.056 0.014 mm 0.422 mm 0.453 mm 105. HRAS_085 EG 1984.07.17-18:04:22.056 -0.050 mm 0.422 mm 0.453 mm 106. HRAS_085 NG 1984.07.18-02:04:22.056 0.046 mm 0.377 mm 0.404 mm 107. HRAS_085 EG 1984.07.18-02:04:22.056 0.020 mm 0.377 mm 0.404 mm 108. HRAS_085 NG 1984.07.18-10:04:22.056 0.008 mm 0.377 mm 0.404 mm 109. HRAS_085 EG 1984.07.18-10:04:22.056 -0.002 mm 0.377 mm 0.404 mm 110. HRAS_085 NG 1984.07.18-18:04:22.056 -0.026 mm 0.422 mm 0.453 mm 111. HRAS_085 EG 1984.07.18-18:04:22.056 0.022 mm 0.422 mm 0.453 mm 112. RICHMOND 7219 NOAM X Comp 961257950.51 mm -68.491 mm 7.328 mm 7.861 mm 113. RICHMOND 7219 NOAM Y Comp -5674089949.72 mm 100.282 mm 24.883 mm 26.694 mm 114. RICHMOND 7219 NOAM Z Comp 2740533793.38 mm -4.616 mm 15.123 mm 16.224 mm RICHMOND 7219 U Comp -101.47 mm -101.468 mm 28.268 mm 24.992 mm RICHMOND 7219 E Comp -50.78 mm -50.779 mm 6.642 mm 5.872 mm RICHMOND 7219 N Comp 43.53 mm 43.527 mm 7.641 mm 6.756 mm 115. RICHMOND CL 0 1984.07.17-18:05:22.056 20036.913 ns 0.216 ns 0.231 ns 116. RICHMOND CL 1 1984.07.17-18:05:22.056 -141.369 D-14 2.153 D-14 2.310 D-14 117. RICHMOND CL 2 1984.07.17-18:05:22.056 -4.453 D-14/day 1.863 D-14/day 1.999 D-14/day 142. RICHMOND AT 0 1984.07.17-18:05:22.056 116.288 ps 66.869 ps 71.735 ps RICHMOND Atm 1984.07.18-06:05:54.240 Avg: 59.472 ps Rms: 29.982 ps Tot_Rms: 66.602 ps || Nat: 89 Dura: 84140.0 sec Tzd_avg: 8519.4 Tzd_rms: 61.1 Wzd_avg: 819.2 Wzd_rms: 65.1 ps Prs_avg: 101635. Pa Tem_avg: 25.3 C Stm_avg: -3.0 C Stm_rms: 2.5 K Spr_avg: -10. Spr_rms: 64. Pa 215. RICHMOND NG 1984.07.17-18:04:22.056 0.006 mm 0.422 mm 0.453 mm 216. RICHMOND EG 1984.07.17-18:04:22.056 0.028 mm 0.422 mm 0.452 mm 217. RICHMOND NG 1984.07.18-02:04:22.056 -0.009 mm 0.377 mm 0.404 mm 218. RICHMOND EG 1984.07.18-02:04:22.056 -0.014 mm 0.376 mm 0.404 mm 219. RICHMOND NG 1984.07.18-10:04:22.056 -0.014 mm 0.377 mm 0.404 mm 220. RICHMOND EG 1984.07.18-10:04:22.056 -0.019 mm 0.377 mm 0.404 mm 221. RICHMOND NG 1984.07.18-18:04:22.056 -0.004 mm 0.422 mm 0.453 mm 222. RICHMOND EG 1984.07.18-18:04:22.056 -0.006 mm 0.422 mm 0.452 mm 223. WESTFORD 7209 NOAM X Comp 1492206590.19 mm 47.194 mm 6.434 mm 6.902 mm 224. WESTFORD 7209 NOAM Y Comp -4458130437.62 mm 84.384 mm 14.201 mm 15.234 mm 225. WESTFORD 7209 NOAM Z Comp 4296015547.58 mm 0.580 mm 12.792 mm 13.722 mm WESTFORD 7209 U Comp -47.47 mm -47.474 mm 18.358 mm 16.231 mm WESTFORD 7209 E Comp 71.54 mm 71.538 mm 6.566 mm 5.805 mm WESTFORD 7209 N Comp 44.46 mm 44.462 mm 5.151 mm 4.554 mm 226. WESTFORD AT 0 1984.07.17-18:05:22.056 -13.222 ps 25.406 ps 27.255 ps WESTFORD Atm 1984.07.18-06:05:54.240 Avg: -10.314 ps Rms: 32.009 ps Tot_Rms: 33.629 ps || Nat: 140 Dura: 85590.0 sec Tzd_avg: 8170.1 Tzd_rms: 199.8 Wzd_avg: 631.5 Wzd_rms: 217.6 ps Prs_avg: 99736. Pa Tem_avg: 20.5 C Stm_avg: 0.1 C Stm_rms: 1.3 K Spr_avg: 169. Spr_rms: 23. Pa 299. WESTFORD NG 1984.07.17-18:04:22.056 -0.012 mm 0.422 mm 0.452 mm 300. WESTFORD EG 1984.07.17-18:04:22.056 0.037 mm 0.421 mm 0.452 mm 301. WESTFORD NG 1984.07.18-02:04:22.056 -0.015 mm 0.376 mm 0.404 mm 302. WESTFORD EG 1984.07.18-02:04:22.056 0.021 mm 0.375 mm 0.402 mm 303. WESTFORD NG 1984.07.18-10:04:22.056 0.036 mm 0.376 mm 0.404 mm 304. WESTFORD EG 1984.07.18-10:04:22.056 0.004 mm 0.376 mm 0.403 mm 305. WESTFORD NG 1984.07.18-18:04:22.056 0.049 mm 0.422 mm 0.452 mm 306. WESTFORD EG 1984.07.18-18:04:22.056 -0.024 mm 0.421 mm 0.452 mm 307. WETTZELL 7224 EURA X Comp 4075539885.80 mm 44.805 mm 15.607 mm 16.743 mm 308. WETTZELL 7224 EURA Y Comp 931735105.48 mm -208.520 mm 12.872 mm 13.809 mm 309. WETTZELL 7224 EURA Z Comp 4801629267.08 mm -125.921 mm 20.639 mm 22.141 mm WETTZELL 7224 U Comp -97.07 mm -97.070 mm 24.515 mm 21.674 mm WETTZELL 7224 E Comp -213.26 mm -213.261 mm 12.870 mm 11.378 mm WETTZELL 7224 N Comp -80.26 mm -80.257 mm 8.286 mm 7.326 mm 310. WETTZELL CL 0 1984.07.17-18:05:22.056 9951.407 ns 0.175 ns 0.188 ns 311. WETTZELL CL 1 1984.07.17-18:05:22.056 -149.586 D-14 2.150 D-14 2.307 D-14 312. WETTZELL CL 2 1984.07.17-18:05:22.056 -2.585 D-14/day 1.895 D-14/day 2.033 D-14/day 337. WETTZELL AT 0 1984.07.17-18:05:22.056 23.871 ps 34.485 ps 36.995 ps WETTZELL Atm 1984.07.18-06:05:54.240 Avg: 16.240 ps Rms: 16.748 ps Tot_Rms: 23.329 ps || Nat: 98 Dura: 85590.0 sec Tzd_avg: 7582.3 Tzd_rms: 30.2 Wzd_avg: 409.1 Wzd_rms: 33.2 ps Prs_avg: 95165. Pa Tem_avg: 11.6 C Stm_avg: -0.7 C Stm_rms: 0.5 K Spr_avg: 475. Spr_rms: 27. Pa 410. WETTZELL NG 1984.07.17-18:04:22.056 0.012 mm 0.422 mm 0.453 mm 411. WETTZELL EG 1984.07.17-18:04:22.056 0.005 mm 0.422 mm 0.453 mm 412. WETTZELL NG 1984.07.18-02:04:22.056 0.017 mm 0.377 mm 0.404 mm 413. WETTZELL EG 1984.07.18-02:04:22.056 0.004 mm 0.377 mm 0.404 mm 414. WETTZELL NG 1984.07.18-10:04:22.056 -0.018 mm 0.377 mm 0.404 mm 415. WETTZELL EG 1984.07.18-10:04:22.056 -0.002 mm 0.377 mm 0.404 mm 416. WETTZELL NG 1984.07.18-18:04:22.056 -0.004 mm 0.422 mm 0.453 mm 417. WETTZELL EG 1984.07.18-18:04:22.056 -0.011 mm 0.422 mm 0.453 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 18.95 ps/h NRMS 0.38 share 0.89 count 73 2. RICHMOND Input 50.00 ps/h RMS 11.62 ps/h NRMS 0.23 share 0.92 count 73 3. WESTFORD Input 50.00 ps/h RMS 26.44 ps/h NRMS 0.53 share 0.80 count 73 4. WETTZELL Input 50.00 ps/h RMS 13.20 ps/h NRMS 0.26 share 0.85 count 73 Overall RMS 18.49 ps/h NRMS 0.37 share 0.87 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.09 D-14 NRMS 0.42 share 0.24 count 25 2. RICHMOND Input 5.00 D-14 RMS 2.25 D-14 NRMS 0.45 share 0.29 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.45 D-14 NRMS 0.49 share 0.29 count 25 Overall RMS 2.27 D-14 NRMS 0.45 share 0.28 count 75 418. UT1-TAI 1, 1984.07.18-05:59:00.000 -0.7881 ms/d 172.45 micros/d 46.08 micros/d 49.43 micros/d EOP epoch (TDT) MJD: 45899.249678 NUT epoch (TDT) MJD: 45899.235046 419. Nutation DPSI wrt apriori model 1984.07.18-05:58:35.976 -1.289 mas 840.8 microasec 902.0 microasec Nutation Dx wrt apriori model 1984.07.18-05:58:35.976 -0.512 mas 333.5 microasec 357.8 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.18-05:58:35.976 -4.693 mas 840.8 microasec 902.0 microasec 420. Nutation DEPS wrt apriori model 1984.07.18-05:58:35.976 -0.160 mas 274.3 microasec 294.2 microasec Nutation Dy wrt apriori model 1984.07.18-05:58:35.976 -0.162 mas 275.4 microasec 295.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.18-05:58:35.976 -0.184 mas 274.3 microasec 294.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2444 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632796.06 9.73 2362632796.06 9.73 91.47 7.19 130.00 49.05 HRAS_085 7216 to WESTFORD 7209 3134928012.69 9.52 3134928012.69 9.52 90.79 4.79 125.81 37.66 HRAS_085 7216 to WETTZELL 7224 8417561442.87 29.37 8417561442.87 29.37 291.60 5.93 88.58 37.84 RICHMOND 7219 to WESTFORD 7209 2044501768.33 8.61 2044501768.33 8.61 107.66 5.91 -38.35 38.19 RICHMOND 7219 to WETTZELL 7224 7588398459.76 27.15 7588398459.76 27.15 214.09 8.07 -109.14 41.01 WESTFORD 7209 to WETTZELL 7224 5998325326.47 17.26 5998325326.47 17.26 161.56 4.65 11.78 34.72 NNT_POS: 2 stations participated in NNT_POS constraints: KASHIMA TSUKUBA NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:05 Correlator type: Unknown Experiment code: gsi841 Mark-3 db_name: $84JUL18DX Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840718_a Ver 2 gsi841 Matrix Condition Number = 2.966093909859455E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- KASHIMA : CABL_DEL GION | | TSUKUBA : CABL_DEL GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for KASHIMA is 5.0 Elevation cut for TSUKUBA is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms KASHIMA MET 23.9 1.7 1001.8 0.5 85.6 4.5 TSUKUBA MET 26.0 2.2 1002.6 0.6 73.1 12.9 Run 26091-1746 80 Observation Pairs Available Session started on: 2445899.544100 1984.07.18 01:03:30.240 UTC Nominal duration: 94798.080 sec 01 02:19:58.080 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 40 15.499 ps 0.84 2.6367 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 48 Number of potentially good observations with QC 5-9: 48 Number of used observations: 40 ( 83.33%) Number of suppressed observations: 8 ( 16.67%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps KASHIMA TSUKUBA 40 48 15.499 0.84 19840718_a gsi841 1984.07.18-14:13:29.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 4 4 4 40.752 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 0235+164 J0238+1636 0 2 6 0.000 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 0454+844 J0508+8432 0 2 4 0.000 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 0552+398 J0555+3948 4 5 6 56.092 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 0733-174 J0735-1735 1 1 2 37.318 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 1642+690 J1642+6856 0 0 1 0.000 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 2243-123 J2246-1206 2 2 3 112.702 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 3C273B J1229+0203 3 3 4 0.394 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 3C345 J1642+3948 6 6 6 8.336 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 3C454.3 J2253+1608 5 5 6 17.534 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 3C84 J0319+4130 1 1 1 0.039 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 4C39.25 J0927+3902 3 3 6 15.006 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: 4C67.05 J0228+6721 1 1 11 107.134 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: NRAO150 J0359+5057 5 5 7 60.404 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: OJ287 J0854+2006 4 6 7 51.774 19840718_a gsi841 1984.07.18-14:13:29.280 SRC_STAT: OQ208 J1407+2827 1 2 6 33.105 19840718_a gsi841 1984.07.18-14:13:29.280 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.18-14:12:57 1. KASHIMA 1856 NOAM X Comp -3997892292.42 mm -16.416 mm 20.822 mm 33.811 mm 2. KASHIMA 1856 NOAM Y Comp 3276581323.76 mm 21.760 mm 15.758 mm 25.588 mm 3. KASHIMA 1856 NOAM Z Comp 3724118225.28 mm 21.277 mm 17.289 mm 28.073 mm KASHIMA 1856 U Comp 33.94 mm 33.935 mm 29.937 mm 25.112 mm KASHIMA 1856 E Comp -6.42 mm -6.424 mm 6.380 mm 5.352 mm KASHIMA 1856 N Comp 1.67 mm 1.670 mm 6.623 mm 5.556 mm 4. KASHIMA AT 0 1984.07.18-01:02:58.056 2039.399 ps 1137.112 ps 1846.448 ps KASHIMA Atm 1984.07.18-14:33:30.240 Avg: 1972.238 ps Rms: 46.828 ps Tot_Rms: 1972.794 ps || Nat: 80 Dura: 94800.0 sec Tzd_avg: 8586.0 Tzd_rms: 75.8 Wzd_avg: 1014.5 Wzd_rms: 80.4 ps Prs_avg: 100181. Pa Tem_avg: 23.9 C Stm_avg: -1.9 C Stm_rms: 0.8 K Spr_avg: 66. Spr_rms: 28. Pa 86. KASHIMA NG 1984.07.18-01:01:58.056 -0.012 mm 0.422 mm 0.686 mm 87. KASHIMA EG 1984.07.18-01:01:58.056 0.018 mm 0.422 mm 0.686 mm 88. KASHIMA NG 1984.07.18-09:01:58.056 0.008 mm 0.377 mm 0.612 mm 89. KASHIMA EG 1984.07.18-09:01:58.056 -0.004 mm 0.377 mm 0.612 mm 90. KASHIMA NG 1984.07.18-17:01:58.056 0.017 mm 0.377 mm 0.612 mm 91. KASHIMA EG 1984.07.18-17:01:58.056 -0.004 mm 0.377 mm 0.612 mm 92. KASHIMA NG 1984.07.19-01:01:58.056 0.020 mm 0.422 mm 0.686 mm 93. KASHIMA EG 1984.07.19-01:01:58.056 -0.029 mm 0.422 mm 0.686 mm 94. TSUKUBA 7311 NOAM X Comp -3957172914.58 mm 16.416 mm 20.822 mm 33.811 mm 95. TSUKUBA 7311 NOAM Y Comp 3310237951.24 mm -21.760 mm 15.758 mm 25.588 mm 96. TSUKUBA 7311 NOAM Z Comp 3737708917.72 mm -21.277 mm 17.289 mm 28.073 mm TSUKUBA 7311 U Comp -33.99 mm -33.991 mm 29.918 mm 25.097 mm TSUKUBA 7311 E Comp 6.16 mm 6.158 mm 6.438 mm 5.401 mm TSUKUBA 7311 N Comp -1.54 mm -1.543 mm 6.648 mm 5.577 mm 97. TSUKUBA CL 0 1984.07.18-01:02:58.056 357095.648 ns 0.290 ns 0.472 ns 98. TSUKUBA CL 1 1984.07.18-01:02:58.056 211.326 D-14 2.022 D-14 3.284 D-14 99. TSUKUBA CL 2 1984.07.18-01:02:58.056 -0.476 D-14/day 1.613 D-14/day 2.619 D-14/day 127. TSUKUBA AT 0 1984.07.18-01:02:58.056 1933.681 ps 1091.256 ps 1771.986 ps TSUKUBA Atm 1984.07.18-14:33:30.240 Avg: 1996.350 ps Rms: 44.331 ps Tot_Rms: 1996.842 ps || Nat: 80 Dura: 94800.0 sec Tzd_avg: 8591.3 Tzd_rms: 80.7 Wzd_avg: 1008.1 Wzd_rms: 83.0 ps Prs_avg: 100262. Pa Tem_avg: 26.0 C Stm_avg: -0.5 C Stm_rms: 0.7 K Spr_avg: -13. Spr_rms: 26. Pa 209. TSUKUBA NG 1984.07.18-01:01:58.056 0.012 mm 0.422 mm 0.686 mm 210. TSUKUBA EG 1984.07.18-01:01:58.056 -0.018 mm 0.422 mm 0.686 mm 211. TSUKUBA NG 1984.07.18-09:01:58.056 -0.008 mm 0.377 mm 0.612 mm 212. TSUKUBA EG 1984.07.18-09:01:58.056 0.004 mm 0.377 mm 0.612 mm 213. TSUKUBA NG 1984.07.18-17:01:58.056 -0.017 mm 0.377 mm 0.612 mm 214. TSUKUBA EG 1984.07.18-17:01:58.056 0.005 mm 0.377 mm 0.612 mm 215. TSUKUBA NG 1984.07.19-01:01:58.056 -0.020 mm 0.422 mm 0.686 mm 216. TSUKUBA EG 1984.07.19-01:01:58.056 0.030 mm 0.422 mm 0.686 mm Atmosphere Constraint Statistics 1. KASHIMA Input 50.00 ps/h RMS 13.55 ps/h NRMS 0.27 share 0.95 count 82 2. TSUKUBA Input 50.00 ps/h RMS 13.38 ps/h NRMS 0.27 share 0.95 count 82 Overall RMS 13.47 ps/h NRMS 0.27 share 0.95 count 164 Gradient Constraint Statistics 1. KASHIMA Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. TSUKUBA Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.02 share 0.54 count 16 Clock Constraint Statistics 2. TSUKUBA Input 5.00 D-14 RMS 5.91 D-14 NRMS 1.18 share 0.42 count 28 Overall RMS 5.91 D-14 NRMS 1.18 share 0.42 count 28 EOP epoch (TDT) MJD: 45899.592734 General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 102.3330 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.18 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) KASHIMA 1856 to TSUKUBA 7311 54548540.09 11.96 54548540.09 11.96 0.62 14.03 67.93 59.86 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK KAUAI KWAJAL26 MOJAVE12 VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:08 Correlator type: Unknown Experiment code: ep842a Mark-3 db_name: $84JUL21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840721_a Ver 2 ep842a Matrix Condition Number = 4.425166360831275E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KAUAI : GION | | KWAJAL26: GION | | MOJAVE12: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for KAUAI is 5.0 Elevation cut for KWAJAL26 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 11.5 0.3 978.3 0.8 97.8 1.6 KAUAI MET 17.0 2.9 890.4 0.6 92.8 1.5 KWAJAL26 MET -999.0 0.0 -999.0 0.0-99900.0 0.0 MOJAVE12 MET 28.1 2.7 905.9 1.4 46.5 11.7 VNDNBERG MET 18.1 2.1 1011.3 0.7 86.3 5.6 Run 26091-1746 1282 Observation Pairs Available Session started on: 2445902.747700 1984.07.21 05:56:41.280 UTC Nominal duration: 93899.520 sec 01 02:04:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 771 33.216 ps 1.08 1.5732 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 794 Number of potentially good observations with QC 5-9: 794 Number of used observations: 771 ( 97.10%) Number of suppressed observations: 23 ( 2.90%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK KAUAI 107 108 38.515 1.05 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT GILCREEK KWAJAL26 75 83 64.512 0.90 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT GILCREEK MOJAVE12 121 123 17.470 0.97 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT GILCREEK VNDNBERG 106 109 32.434 1.18 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT KAUAI KWAJAL26 33 33 128.081 1.05 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT KAUAI MOJAVE12 113 116 46.843 1.10 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT KAUAI VNDNBERG 76 79 77.479 1.07 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT KWAJAL26 MOJAVE12 22 23 141.458 1.07 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT MOJAVE12 VNDNBERG 118 120 36.580 1.19 19840721_a ep842a 1984.07.21-18:59:11.0 BAS_STAT Not included: KWAJAL26 VNDNBERG 0/ 0 deselected baseline 19840721_a ep842a Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 43 43 71 28.395 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 0229+131 J0231+1322 50 50 72 37.221 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 0234+285 J0237+2848 53 53 80 44.777 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 0552+398 J0555+3948 45 46 90 28.663 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 1354+195 J1357+1919 38 38 72 90.770 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 1418+546 J1419+5423 51 56 138 65.654 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 1548+056 J1550+0527 48 48 90 49.753 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 2134+00 J2136+0041 38 38 60 35.740 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 2145+067 J2148+0657 47 48 60 35.630 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 3C273B J1229+0203 71 74 106 22.187 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 3C345 J1642+3948 92 93 110 21.440 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 3C454.3 J2253+1608 65 65 82 31.767 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: 4C39.25 J0927+3902 53 54 97 57.147 19840721_a ep842a 1984.07.21-18:59:11.040 SRC_STAT: OJ287 J0854+2006 77 88 154 57.776 19840721_a ep842a 1984.07.21-18:59:11.040 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.21-18:58:38 1. GILCREEK 7225 NOAM X Comp -2281547269.77 mm 114.229 mm 10.941 mm 13.723 mm 2. GILCREEK 7225 NOAM Y Comp -1453644544.39 mm 569.614 mm 5.215 mm 6.541 mm 3. GILCREEK 7225 NOAM Z Comp 5756993531.01 mm 404.012 mm 13.374 mm 16.774 mm GILCREEK 7225 U Comp 195.89 mm 195.891 mm 15.777 mm 16.976 mm GILCREEK 7225 E Comp -419.01 mm -419.014 mm 5.927 mm 6.378 mm GILCREEK 7225 N Comp 535.53 mm 535.525 mm 6.457 mm 6.948 mm 4. GILCREEK CL 0 1984.07.21-05:56:09.096 5217.470 ns 0.110 ns 0.138 ns 5. GILCREEK CL 1 1984.07.21-05:56:09.096 -72.115 D-14 1.976 D-14 2.478 D-14 6. GILCREEK CL 2 1984.07.21-05:56:09.096 -2.944 D-14/day 1.582 D-14/day 1.985 D-14/day 34. GILCREEK AT 0 1984.07.21-05:56:09.096 -8.023 ps 38.643 ps 48.468 ps GILCREEK Atm 1984.07.21-19:26:41.280 Avg: -26.089 ps Rms: 16.215 ps Tot_Rms: 30.717 ps || Nat: 136 Dura: 93900.0 sec Tzd_avg: 7902.4 Tzd_rms: 6.0 Wzd_avg: 509.8 Wzd_rms: 6.2 ps Prs_avg: 97830. Pa Tem_avg: 11.5 C Stm_avg: 1.6 C Stm_rms: 0.3 K Spr_avg: 65. Spr_rms: 39. Pa 116. GILCREEK NG 1984.07.21-05:55:09.096 -0.027 mm 0.422 mm 0.529 mm 117. GILCREEK EG 1984.07.21-05:55:09.096 -0.039 mm 0.422 mm 0.529 mm 118. GILCREEK NG 1984.07.21-13:55:09.096 -0.063 mm 0.377 mm 0.472 mm 119. GILCREEK EG 1984.07.21-13:55:09.096 -0.014 mm 0.376 mm 0.472 mm 120. GILCREEK NG 1984.07.21-21:55:09.096 0.038 mm 0.377 mm 0.472 mm 121. GILCREEK EG 1984.07.21-21:55:09.096 0.013 mm 0.376 mm 0.472 mm 122. GILCREEK NG 1984.07.22-05:55:09.096 -0.007 mm 0.422 mm 0.529 mm 123. GILCREEK EG 1984.07.22-05:55:09.096 0.014 mm 0.421 mm 0.528 mm 124. KAUAI 1311 PCFC X Comp -5543846107.93 mm -15.928 mm 15.984 mm 20.047 mm 125. KAUAI 1311 PCFC Y Comp -2054563914.96 mm -464.955 mm 6.315 mm 7.921 mm 126. KAUAI 1311 PCFC Z Comp 2387813910.79 mm -297.212 mm 9.191 mm 11.528 mm KAUAI 1311 U Comp 51.57 mm 51.566 mm 18.166 mm 19.546 mm KAUAI 1311 E Comp 430.44 mm 430.443 mm 4.921 mm 5.295 mm KAUAI 1311 N Comp -341.81 mm -341.806 mm 5.063 mm 5.447 mm 127. KAUAI CL 0 1984.07.21-05:56:09.096 -1195.462 ns 0.143 ns 0.180 ns 128. KAUAI CL 1 1984.07.21-05:56:09.096 151.331 D-14 2.008 D-14 2.518 D-14 129. KAUAI CL 2 1984.07.21-05:56:09.096 -1.440 D-14/day 1.599 D-14/day 2.005 D-14/day 157. KAUAI AT 0 1984.07.21-05:56:09.096 1.638 ps 49.744 ps 62.391 ps KAUAI Atm 1984.07.21-19:26:41.280 Avg: 107.144 ps Rms: 76.227 ps Tot_Rms: 131.492 ps || Nat: 143 Dura: 93900.0 sec Tzd_avg: 7276.3 Tzd_rms: 75.9 Wzd_avg: 521.3 Wzd_rms: 78.5 ps Prs_avg: 89042. Pa Tem_avg: 17.0 C Stm_avg: 0.3 C Stm_rms: 2.5 K Spr_avg: 26. Spr_rms: 56. Pa 239. KAUAI NG 1984.07.21-05:55:09.096 0.045 mm 0.422 mm 0.529 mm 240. KAUAI EG 1984.07.21-05:55:09.096 -0.038 mm 0.422 mm 0.529 mm 241. KAUAI NG 1984.07.21-13:55:09.096 0.040 mm 0.376 mm 0.472 mm 242. KAUAI EG 1984.07.21-13:55:09.096 -0.094 mm 0.376 mm 0.471 mm 243. KAUAI NG 1984.07.21-21:55:09.096 0.015 mm 0.377 mm 0.472 mm 244. KAUAI EG 1984.07.21-21:55:09.096 0.027 mm 0.376 mm 0.472 mm 245. KAUAI NG 1984.07.22-05:55:09.096 -0.015 mm 0.421 mm 0.528 mm 246. KAUAI EG 1984.07.22-05:55:09.096 0.006 mm 0.421 mm 0.528 mm 247. KWAJAL26 4968 PCFC X Comp -6143536722.49 mm -438.485 mm 35.884 mm 45.008 mm 248. KWAJAL26 4968 PCFC Y Comp 1363997414.07 mm -593.934 mm 9.186 mm 11.521 mm 249. KWAJAL26 4968 PCFC Z Comp 1034707523.10 mm -260.899 mm 21.121 mm 26.491 mm KWAJAL26 4968 U Comp 252.71 mm 252.706 mm 37.477 mm 40.325 mm KWAJAL26 4968 E Comp 674.85 mm 674.855 mm 10.835 mm 11.659 mm KWAJAL26 4968 N Comp -306.28 mm -306.278 mm 17.211 mm 18.519 mm 250. KWAJAL26 CL 0 1984.07.21-05:56:09.096 -27131.099 ns 0.242 ns 0.304 ns 251. KWAJAL26 CL 1 1984.07.21-05:56:09.096 -84.171 D-14 2.060 D-14 2.584 D-14 252. KWAJAL26 CL 2 1984.07.21-05:56:09.096 -7.825 D-14/day 1.647 D-14/day 2.066 D-14/day 280. KWAJAL26 AT 0 1984.07.21-05:56:09.096 83.444 ps 64.783 ps 81.254 ps KWAJAL26 Atm 1984.07.21-19:26:41.280 Avg: 127.421 ps Rms: 58.674 ps Tot_Rms: 140.280 ps || Nat: 132 Dura: 93900.0 sec Tzd_avg: 8482.7 Tzd_rms: 45.5 Wzd_avg: 855.0 Wzd_rms: 48.0 ps Prs_avg: 100635. Pa Tem_avg: 14.6 C Stm_avg: -12.0 C Stm_rms: 0.7 K Spr_avg: 18. Spr_rms: 70. Pa 362. KWAJAL26 NG 1984.07.21-05:55:09.096 0.004 mm 0.422 mm 0.530 mm 363. KWAJAL26 EG 1984.07.21-05:55:09.096 0.006 mm 0.422 mm 0.530 mm 364. KWAJAL26 NG 1984.07.21-13:55:09.096 -0.006 mm 0.377 mm 0.473 mm 365. KWAJAL26 EG 1984.07.21-13:55:09.096 -0.009 mm 0.377 mm 0.473 mm 366. KWAJAL26 NG 1984.07.21-21:55:09.096 -0.002 mm 0.377 mm 0.473 mm 367. KWAJAL26 EG 1984.07.21-21:55:09.096 -0.002 mm 0.377 mm 0.473 mm 368. KWAJAL26 NG 1984.07.22-05:55:09.096 0.000 mm 0.422 mm 0.530 mm 369. KWAJAL26 EG 1984.07.22-05:55:09.096 -0.005 mm 0.422 mm 0.530 mm 370. MOJAVE12 7222 NOAM X Comp -2356171056.59 mm 39.412 mm 11.200 mm 14.048 mm 371. MOJAVE12 7222 NOAM Y Comp -4646755409.02 mm 422.980 mm 6.730 mm 8.441 mm 372. MOJAVE12 7222 NOAM Z Comp 3668470851.60 mm 270.601 mm 8.096 mm 10.155 mm MOJAVE12 7222 U Comp -165.82 mm -165.821 mm 11.713 mm 12.603 mm MOJAVE12 7222 E Comp -156.14 mm -156.138 mm 9.106 mm 9.798 mm MOJAVE12 7222 N Comp 449.24 mm 449.238 mm 4.020 mm 4.326 mm 373. MOJAVE12 AT 0 1984.07.21-05:56:09.096 -16.232 ps 35.137 ps 44.070 ps MOJAVE12 Atm 1984.07.21-19:26:41.280 Avg: 33.601 ps Rms: 23.501 ps Tot_Rms: 41.004 ps || Nat: 138 Dura: 93900.0 sec Tzd_avg: 7554.9 Tzd_rms: 31.9 Wzd_avg: 707.3 Wzd_rms: 31.8 ps Prs_avg: 90591. Pa Tem_avg: 28.1 C Stm_avg: 0.2 C Stm_rms: 1.0 K Spr_avg: 179. Spr_rms: 48. Pa 455. MOJAVE12 NG 1984.07.21-05:55:09.096 -0.001 mm 0.421 mm 0.528 mm 456. MOJAVE12 EG 1984.07.21-05:55:09.096 0.063 mm 0.421 mm 0.528 mm 457. MOJAVE12 NG 1984.07.21-13:55:09.096 -0.001 mm 0.376 mm 0.471 mm 458. MOJAVE12 EG 1984.07.21-13:55:09.096 0.005 mm 0.376 mm 0.472 mm 459. MOJAVE12 NG 1984.07.21-21:55:09.096 -0.134 mm 0.375 mm 0.470 mm 460. MOJAVE12 EG 1984.07.21-21:55:09.096 -0.102 mm 0.375 mm 0.470 mm 461. MOJAVE12 NG 1984.07.22-05:55:09.096 -0.118 mm 0.420 mm 0.527 mm 462. MOJAVE12 EG 1984.07.22-05:55:09.096 -0.026 mm 0.421 mm 0.529 mm 463. VNDNBERG 7223 PCFC X Comp -2678094746.23 mm 300.772 mm 12.725 mm 15.960 mm 464. VNDNBERG 7223 PCFC Y Comp -4525450433.70 mm 66.296 mm 9.639 mm 12.090 mm 465. VNDNBERG 7223 PCFC Z Comp 3597410299.50 mm -116.502 mm 9.861 mm 12.368 mm VNDNBERG 7223 U Comp -239.22 mm -239.224 mm 15.680 mm 16.872 mm VNDNBERG 7223 E Comp 225.08 mm 225.080 mm 9.096 mm 9.787 mm VNDNBERG 7223 N Comp 23.30 mm 23.299 mm 4.843 mm 5.211 mm 466. VNDNBERG CL 0 1984.07.21-05:56:09.096 -391.776 ns 0.242 ns 0.304 ns 467. VNDNBERG CL 1 1984.07.21-05:56:09.096 -21.631 D-14 2.180 D-14 2.735 D-14 468. VNDNBERG CL 2 1984.07.21-05:56:09.096 1.690 D-14/day 1.702 D-14/day 2.134 D-14/day 496. VNDNBERG AT 0 1984.07.21-05:56:09.096 14.737 ps 49.273 ps 61.801 ps VNDNBERG Atm 1984.07.21-19:26:41.280 Avg: 76.517 ps Rms: 50.182 ps Tot_Rms: 91.504 ps || Nat: 134 Dura: 93240.0 sec Tzd_avg: 8169.1 Tzd_rms: 126.5 Wzd_avg: 516.5 Wzd_rms: 130.1 ps Prs_avg: 101128. Pa Tem_avg: 18.1 C Stm_avg: 1.6 C Stm_rms: 1.4 K Spr_avg: 184. Spr_rms: 34. Pa 578. VNDNBERG NG 1984.07.21-05:55:09.096 -0.059 mm 0.421 mm 0.529 mm 579. VNDNBERG EG 1984.07.21-05:55:09.096 -0.050 mm 0.421 mm 0.528 mm 580. VNDNBERG NG 1984.07.21-13:55:09.096 -0.063 mm 0.376 mm 0.472 mm 581. VNDNBERG EG 1984.07.21-13:55:09.096 0.014 mm 0.376 mm 0.472 mm 582. VNDNBERG NG 1984.07.21-21:55:09.096 0.014 mm 0.376 mm 0.472 mm 583. VNDNBERG EG 1984.07.21-21:55:09.096 0.008 mm 0.376 mm 0.471 mm 584. VNDNBERG NG 1984.07.22-05:55:09.096 0.107 mm 0.421 mm 0.528 mm 585. VNDNBERG EG 1984.07.22-05:55:09.096 -0.024 mm 0.422 mm 0.529 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 22.42 ps/h NRMS 0.45 share 0.66 count 82 2. KAUAI Input 50.00 ps/h RMS 26.35 ps/h NRMS 0.53 share 0.85 count 82 3. KWAJAL26 Input 50.00 ps/h RMS 16.89 ps/h NRMS 0.34 share 0.92 count 82 4. MOJAVE12 Input 50.00 ps/h RMS 29.66 ps/h NRMS 0.59 share 0.64 count 82 5. VNDNBERG Input 50.00 ps/h RMS 33.22 ps/h NRMS 0.66 share 0.76 count 82 Overall RMS 26.33 ps/h NRMS 0.53 share 0.77 count 410 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.07 share 0.53 count 8 2. KAUAI Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 3. KWAJAL26 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. MOJAVE12 Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.53 count 8 5. VNDNBERG Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 Overall RMS 0.17 mm/d NRMS 0.08 share 0.53 count 40 Clock Constraint Statistics 1. GILCREEK Input 5.00 D-14 RMS 2.02 D-14 NRMS 0.40 share 0.18 count 28 2. KAUAI Input 5.00 D-14 RMS 1.93 D-14 NRMS 0.39 share 0.20 count 28 3. KWAJAL26 Input 5.00 D-14 RMS 3.27 D-14 NRMS 0.65 share 0.38 count 28 5. VNDNBERG Input 5.00 D-14 RMS 2.79 D-14 NRMS 0.56 share 0.23 count 28 Overall RMS 2.56 D-14 NRMS 0.51 share 0.25 count 112 586. UT1-TAI 1, 1984.07.21-18:59:00.000 -0.8993 ms/d -157.27 micros/d 65.58 micros/d 82.25 micros/d EOP epoch (TDT) MJD: 45902.791345 NUT epoch (TDT) MJD: 45902.784981 587. Nutation DPSI wrt apriori model 1984.07.21-18:58:38.856 0.215 mas 677.8 microasec 850.1 microasec Nutation Dx wrt apriori model 1984.07.21-18:58:38.856 0.084 mas 268.7 microasec 337.0 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.21-18:58:38.856 -3.810 mas 677.8 microasec 850.1 microasec 588. Nutation DEPS wrt apriori model 1984.07.21-18:58:38.856 0.360 mas 281.9 microasec 353.5 microasec Nutation Dy wrt apriori model 1984.07.21-18:58:38.856 0.360 mas 282.8 microasec 354.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.21-18:58:38.856 0.781 mas 281.9 microasec 353.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6349 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to KAUAI 1311 4728114752.49 10.18 4728114752.49 10.18 -1025.01 2.88 92.43 22.89 GILCREEK 7225 to KWAJAL26 4968 6719676620.15 22.15 6719676620.15 22.15 -1418.71 8.66 -21.78 49.49 GILCREEK 7225 to MOJAVE12 7222 3816209203.62 6.23 3816209203.62 6.23 77.58 4.71 1.91 19.72 GILCREEK 7225 to VNDNBERG 7223 3775849713.19 8.10 3775849713.19 8.10 -181.46 5.91 231.01 23.23 KAUAI 1311 to KWAJAL26 4968 3725196275.35 14.88 3725196275.35 14.88 -118.57 15.64 -422.39 51.04 KAUAI 1311 to MOJAVE12 7222 4303581203.47 7.18 4303581203.47 7.18 -973.55 4.65 246.08 21.98 KAUAI 1311 to VNDNBERG 7223 3972522432.81 7.88 3972522432.81 7.88 -491.23 5.56 414.33 25.59 KWAJAL26 4968 to MOJAVE12 7222 7576938528.06 22.26 7576938528.06 22.26 -1081.43 13.95 478.28 47.64 MOJAVE12 7222 to VNDNBERG 7223 351282451.96 5.02 351282451.96 5.02 -509.82 4.09 67.79 16.91 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK KAUAI KWAJAL26 MOJAVE12 VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:11 Correlator type: Unknown Experiment code: ep843b Mark-3 db_name: $84JUL22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840722_a Ver 2 ep843b Matrix Condition Number = 5.365470175394441E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KAUAI : GION | | KWAJAL26: GION | | MOJAVE12: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for KAUAI is 5.0 Elevation cut for KWAJAL26 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 12.8 1.7 978.9 0.2 100.0 1.1 KAUAI MET 18.4 2.9 890.3 0.8 94.6 0.9 KWAJAL26 MET -999.0 0.0 -999.0 0.0-99900.0 0.0 MOJAVE12 MET 23.1 2.0 908.9 1.4 72.7 19.3 VNDNBERG MET 17.1 0.6 1012.9 0.9 76.8 9.1 Run 26091-1746 1274 Observation Pairs Available Session started on: 2445903.911600 1984.07.22 09:52:42.240 UTC Nominal duration: 94080.960 sec 01 02:08:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 815 31.775 ps 1.03 1.4279 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 832 Number of potentially good observations with QC 5-9: 832 Number of used observations: 815 ( 97.96%) Number of suppressed observations: 17 ( 2.04%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK KAUAI 114 116 30.196 1.04 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT GILCREEK KWAJAL26 75 77 57.075 0.77 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT GILCREEK MOJAVE12 117 122 15.751 0.89 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT GILCREEK VNDNBERG 118 119 42.239 1.09 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT KAUAI KWAJAL26 40 40 169.198 1.11 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT KAUAI MOJAVE12 117 118 45.735 1.18 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT KAUAI VNDNBERG 82 86 58.686 1.00 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT KWAJAL26 MOJAVE12 22 22 139.944 1.16 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT KWAJAL26 VNDNBERG 6 7 208.590 1.01 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT MOJAVE12 VNDNBERG 124 125 29.823 1.02 19840722_a ep843b 1984.07.22-22:56:42.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 42 42 62 32.180 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 0229+131 J0231+1322 56 56 71 35.625 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 0234+285 J0237+2848 38 39 65 39.623 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 0552+398 J0555+3948 56 58 86 28.377 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 1354+195 J1357+1919 33 35 60 70.738 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 1418+546 J1419+5423 54 56 139 72.340 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 1548+056 J1550+0527 43 44 70 45.459 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 2134+00 J2136+0041 58 60 86 33.164 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 2145+067 J2148+0657 61 61 72 42.595 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 3C273B J1229+0203 88 91 111 24.504 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 3C345 J1642+3948 84 84 109 21.097 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 3C454.3 J2253+1608 69 69 90 23.872 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: 4C39.25 J0927+3902 52 53 100 43.548 19840722_a ep843b 1984.07.22-22:56:42.720 SRC_STAT: OJ287 J0854+2006 81 84 153 51.259 19840722_a ep843b 1984.07.22-22:56:42.720 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.22-22:56:10 1. GILCREEK 7225 NOAM X Comp -2281547232.02 mm 151.981 mm 11.716 mm 13.999 mm 2. GILCREEK 7225 NOAM Y Comp -1453644542.94 mm 571.063 mm 5.056 mm 6.041 mm 3. GILCREEK 7225 NOAM Z Comp 5756993508.81 mm 381.808 mm 12.402 mm 14.820 mm GILCREEK 7225 U Comp 161.98 mm 161.975 mm 15.084 mm 15.494 mm GILCREEK 7225 E Comp -399.95 mm -399.952 mm 6.285 mm 6.456 mm GILCREEK 7225 N Comp 555.69 mm 555.690 mm 7.043 mm 7.235 mm 4. GILCREEK CL 0 1984.07.22-09:52:10.056 5141.610 ns 0.116 ns 0.139 ns 5. GILCREEK CL 1 1984.07.22-09:52:10.056 -78.933 D-14 1.992 D-14 2.381 D-14 6. GILCREEK CL 2 1984.07.22-09:52:10.056 -1.388 D-14/day 1.577 D-14/day 1.884 D-14/day 34. GILCREEK AT 0 1984.07.22-09:52:10.056 -40.521 ps 35.418 ps 42.322 ps GILCREEK Atm 1984.07.22-23:22:42.240 Avg: -64.025 ps Rms: 24.010 ps Tot_Rms: 68.379 ps || Nat: 135 Dura: 94080.0 sec Tzd_avg: 7869.9 Tzd_rms: 33.8 Wzd_avg: 471.0 Wzd_rms: 34.7 ps Prs_avg: 97891. Pa Tem_avg: 12.8 C Stm_avg: 2.1 C Stm_rms: 0.9 K Spr_avg: 58. Spr_rms: 29. Pa 116. GILCREEK NG 1984.07.22-09:51:10.056 0.015 mm 0.422 mm 0.504 mm 117. GILCREEK EG 1984.07.22-09:51:10.056 0.007 mm 0.422 mm 0.504 mm 118. GILCREEK NG 1984.07.22-17:51:10.056 0.002 mm 0.376 mm 0.450 mm 119. GILCREEK EG 1984.07.22-17:51:10.056 0.068 mm 0.376 mm 0.449 mm 120. GILCREEK NG 1984.07.23-01:51:10.056 0.015 mm 0.377 mm 0.450 mm 121. GILCREEK EG 1984.07.23-01:51:10.056 0.017 mm 0.376 mm 0.449 mm 122. GILCREEK NG 1984.07.23-09:51:10.056 -0.056 mm 0.420 mm 0.502 mm 123. GILCREEK EG 1984.07.23-09:51:10.056 -0.135 mm 0.421 mm 0.503 mm 124. KAUAI 1311 PCFC X Comp -5543846123.86 mm -31.863 mm 15.176 mm 18.134 mm 125. KAUAI 1311 PCFC Y Comp -2054563919.80 mm -469.802 mm 5.863 mm 7.006 mm 126. KAUAI 1311 PCFC Z Comp 2387813916.98 mm -291.016 mm 8.434 mm 10.078 mm KAUAI 1311 U Comp 69.30 mm 69.302 mm 17.054 mm 17.519 mm KAUAI 1311 E Comp 429.45 mm 429.450 mm 4.952 mm 5.087 mm KAUAI 1311 N Comp -342.33 mm -342.329 mm 4.520 mm 4.643 mm 127. KAUAI CL 0 1984.07.22-09:52:10.056 -1044.777 ns 0.105 ns 0.125 ns 128. KAUAI CL 1 1984.07.22-09:52:10.056 148.212 D-14 1.970 D-14 2.355 D-14 129. KAUAI CL 2 1984.07.22-09:52:10.056 -0.361 D-14/day 1.552 D-14/day 1.855 D-14/day 157. KAUAI AT 0 1984.07.22-09:52:10.056 -2.630 ps 42.167 ps 50.387 ps KAUAI Atm 1984.07.22-23:22:42.240 Avg: -34.856 ps Rms: 29.609 ps Tot_Rms: 45.735 ps || Nat: 143 Dura: 94080.0 sec Tzd_avg: 7286.7 Tzd_rms: 62.0 Wzd_avg: 531.2 Wzd_rms: 60.9 ps Prs_avg: 89033. Pa Tem_avg: 18.3 C Stm_avg: 0.4 C Stm_rms: 2.6 K Spr_avg: 9. Spr_rms: 65. Pa 239. KAUAI NG 1984.07.22-09:51:10.056 -0.045 mm 0.422 mm 0.504 mm 240. KAUAI EG 1984.07.22-09:51:10.056 0.077 mm 0.421 mm 0.503 mm 241. KAUAI NG 1984.07.22-17:51:10.056 0.025 mm 0.376 mm 0.449 mm 242. KAUAI EG 1984.07.22-17:51:10.056 0.016 mm 0.375 mm 0.449 mm 243. KAUAI NG 1984.07.23-01:51:10.056 0.009 mm 0.376 mm 0.450 mm 244. KAUAI EG 1984.07.23-01:51:10.056 0.016 mm 0.376 mm 0.449 mm 245. KAUAI NG 1984.07.23-09:51:10.056 0.046 mm 0.421 mm 0.503 mm 246. KAUAI EG 1984.07.23-09:51:10.056 -0.084 mm 0.420 mm 0.502 mm 247. KWAJAL26 4968 PCFC X Comp -6143536746.36 mm -462.356 mm 40.144 mm 47.969 mm 248. KWAJAL26 4968 PCFC Y Comp 1363997457.95 mm -550.054 mm 9.521 mm 11.377 mm 249. KWAJAL26 4968 PCFC Z Comp 1034707528.90 mm -255.097 mm 20.970 mm 25.057 mm KWAJAL26 4968 U Comp 286.03 mm 286.027 mm 41.559 mm 42.691 mm KWAJAL26 4968 E Comp 637.19 mm 637.191 mm 12.228 mm 12.561 mm KWAJAL26 4968 N Comp -305.91 mm -305.914 mm 16.285 mm 16.728 mm 250. KWAJAL26 CL 0 1984.07.22-09:52:10.056 -27224.457 ns 0.223 ns 0.266 ns 251. KWAJAL26 CL 1 1984.07.22-09:52:10.056 -101.939 D-14 2.052 D-14 2.452 D-14 252. KWAJAL26 CL 2 1984.07.22-09:52:10.056 -5.719 D-14/day 1.621 D-14/day 1.937 D-14/day 280. KWAJAL26 AT 0 1984.07.22-09:52:10.056 64.761 ps 53.769 ps 64.250 ps KWAJAL26 Atm 1984.07.22-23:22:42.240 Avg: -46.342 ps Rms: 106.359 ps Tot_Rms: 116.017 ps || Nat: 125 Dura: 94080.0 sec Tzd_avg: 8576.1 Tzd_rms: 98.7 Wzd_avg: 956.2 Wzd_rms: 103.3 ps Prs_avg: 100635. Pa Tem_avg: 14.6 C Stm_avg: -12.0 C Stm_rms: 0.2 K Spr_avg: 77. Spr_rms: 57. Pa 362. KWAJAL26 NG 1984.07.22-09:51:10.056 0.002 mm 0.422 mm 0.505 mm 363. KWAJAL26 EG 1984.07.22-09:51:10.056 -0.006 mm 0.422 mm 0.504 mm 364. KWAJAL26 NG 1984.07.22-17:51:10.056 -0.007 mm 0.377 mm 0.450 mm 365. KWAJAL26 EG 1984.07.22-17:51:10.056 -0.006 mm 0.377 mm 0.450 mm 366. KWAJAL26 NG 1984.07.23-01:51:10.056 -0.004 mm 0.377 mm 0.450 mm 367. KWAJAL26 EG 1984.07.23-01:51:10.056 0.003 mm 0.377 mm 0.450 mm 368. KWAJAL26 NG 1984.07.23-09:51:10.056 0.003 mm 0.422 mm 0.505 mm 369. KWAJAL26 EG 1984.07.23-09:51:10.056 0.007 mm 0.422 mm 0.504 mm 370. MOJAVE12 7222 NOAM X Comp -2356171057.83 mm 38.174 mm 11.652 mm 13.923 mm 371. MOJAVE12 7222 NOAM Y Comp -4646755435.12 mm 396.884 mm 6.465 mm 7.725 mm 372. MOJAVE12 7222 NOAM Z Comp 3668470865.90 mm 284.901 mm 7.445 mm 8.897 mm MOJAVE12 7222 U Comp -138.11 mm -138.107 mm 11.249 mm 11.555 mm MOJAVE12 7222 E Comp -145.44 mm -145.440 mm 9.667 mm 9.930 mm MOJAVE12 7222 N Comp 447.12 mm 447.120 mm 3.606 mm 3.704 mm 373. MOJAVE12 AT 0 1984.07.22-09:52:10.056 20.065 ps 25.436 ps 30.394 ps MOJAVE12 Atm 1984.07.22-23:22:42.240 Avg: -30.157 ps Rms: 49.708 ps Tot_Rms: 58.140 ps || Nat: 137 Dura: 94080.0 sec Tzd_avg: 7564.5 Tzd_rms: 67.7 Wzd_avg: 692.3 Wzd_rms: 72.0 ps Prs_avg: 90884. Pa Tem_avg: 23.1 C Stm_avg: 1.3 C Stm_rms: 0.8 K Spr_avg: 154. Spr_rms: 88. Pa 455. MOJAVE12 NG 1984.07.22-09:51:10.056 -0.004 mm 0.422 mm 0.504 mm 456. MOJAVE12 EG 1984.07.22-09:51:10.056 -0.041 mm 0.421 mm 0.503 mm 457. MOJAVE12 NG 1984.07.22-17:51:10.056 -0.043 mm 0.375 mm 0.448 mm 458. MOJAVE12 EG 1984.07.22-17:51:10.056 -0.054 mm 0.375 mm 0.448 mm 459. MOJAVE12 NG 1984.07.23-01:51:10.056 -0.068 mm 0.376 mm 0.449 mm 460. MOJAVE12 EG 1984.07.23-01:51:10.056 -0.050 mm 0.376 mm 0.449 mm 461. MOJAVE12 NG 1984.07.23-09:51:10.056 -0.015 mm 0.420 mm 0.502 mm 462. MOJAVE12 EG 1984.07.23-09:51:10.056 0.013 mm 0.419 mm 0.501 mm 463. VNDNBERG 7223 PCFC X Comp -2678094742.94 mm 304.064 mm 12.964 mm 15.491 mm 464. VNDNBERG 7223 PCFC Y Comp -4525450448.09 mm 51.908 mm 8.954 mm 10.699 mm 465. VNDNBERG 7223 PCFC Z Comp 3597410295.40 mm -120.596 mm 9.079 mm 10.849 mm VNDNBERG 7223 U Comp -232.73 mm -232.729 mm 14.837 mm 15.241 mm VNDNBERG 7223 E Comp 235.24 mm 235.240 mm 9.586 mm 9.847 mm VNDNBERG 7223 N Comp 13.86 mm 13.855 mm 4.318 mm 4.435 mm 466. VNDNBERG CL 0 1984.07.22-09:52:10.056 -411.781 ns 0.080 ns 0.096 ns 467. VNDNBERG CL 1 1984.07.22-09:52:10.056 -19.422 D-14 1.961 D-14 2.343 D-14 468. VNDNBERG CL 2 1984.07.22-09:52:10.056 1.839 D-14/day 1.546 D-14/day 1.848 D-14/day 496. VNDNBERG AT 0 1984.07.22-09:52:10.056 163.496 ps 26.310 ps 31.439 ps VNDNBERG Atm 1984.07.22-23:22:42.240 Avg: 186.760 ps Rms: 50.590 ps Tot_Rms: 193.490 ps || Nat: 136 Dura: 94080.0 sec Tzd_avg: 8104.5 Tzd_rms: 70.5 Wzd_avg: 437.9 Wzd_rms: 67.6 ps Prs_avg: 101286. Pa Tem_avg: 17.1 C Stm_avg: 0.4 C Stm_rms: 0.9 K Spr_avg: 192. Spr_rms: 30. Pa 578. VNDNBERG NG 1984.07.22-09:51:10.056 0.028 mm 0.422 mm 0.504 mm 579. VNDNBERG EG 1984.07.22-09:51:10.056 0.005 mm 0.422 mm 0.504 mm 580. VNDNBERG NG 1984.07.22-17:51:10.056 0.038 mm 0.376 mm 0.450 mm 581. VNDNBERG EG 1984.07.22-17:51:10.056 -0.010 mm 0.376 mm 0.449 mm 582. VNDNBERG NG 1984.07.23-01:51:10.056 0.031 mm 0.376 mm 0.450 mm 583. VNDNBERG EG 1984.07.23-01:51:10.056 -0.067 mm 0.376 mm 0.450 mm 584. VNDNBERG NG 1984.07.23-09:51:10.056 -0.084 mm 0.421 mm 0.503 mm 585. VNDNBERG EG 1984.07.23-09:51:10.056 0.069 mm 0.420 mm 0.502 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 36.46 ps/h NRMS 0.73 share 0.64 count 82 2. KAUAI Input 50.00 ps/h RMS 26.64 ps/h NRMS 0.53 share 0.81 count 82 3. KWAJAL26 Input 50.00 ps/h RMS 16.28 ps/h NRMS 0.33 share 0.91 count 82 4. MOJAVE12 Input 50.00 ps/h RMS 34.04 ps/h NRMS 0.68 share 0.63 count 82 5. VNDNBERG Input 50.00 ps/h RMS 25.97 ps/h NRMS 0.52 share 0.73 count 82 Overall RMS 28.77 ps/h NRMS 0.58 share 0.75 count 410 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.23 mm/d NRMS 0.11 share 0.53 count 8 2. KAUAI Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 3. KWAJAL26 Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 4. MOJAVE12 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 5. VNDNBERG Input 2.00 mm/d RMS 0.23 mm/d NRMS 0.11 share 0.53 count 8 Overall RMS 0.17 mm/d NRMS 0.09 share 0.53 count 40 Clock Constraint Statistics 1. GILCREEK Input 5.00 D-14 RMS 3.02 D-14 NRMS 0.60 share 0.21 count 28 2. KAUAI Input 5.00 D-14 RMS 3.26 D-14 NRMS 0.65 share 0.18 count 28 3. KWAJAL26 Input 5.00 D-14 RMS 3.07 D-14 NRMS 0.61 share 0.38 count 28 5. VNDNBERG Input 5.00 D-14 RMS 2.29 D-14 NRMS 0.46 share 0.18 count 28 Overall RMS 2.93 D-14 NRMS 0.59 share 0.24 count 112 586. UT1-TAI 1, 1984.07.22-22:56:00.000 -0.4800 ms/d 103.93 micros/d 32.45 micros/d 38.78 micros/d EOP epoch (TDT) MJD: 45903.955928 NUT epoch (TDT) MJD: 45903.981616 587. Nutation DPSI wrt apriori model 1984.07.22-22:56:10.536 0.126 mas 560.1 microasec 669.3 microasec Nutation Dx wrt apriori model 1984.07.22-22:56:10.536 0.050 mas 222.2 microasec 265.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.22-22:56:10.536 -4.786 mas 560.1 microasec 669.3 microasec 588. Nutation DEPS wrt apriori model 1984.07.22-22:56:10.536 0.012 mas 178.7 microasec 213.6 microasec Nutation Dy wrt apriori model 1984.07.22-22:56:10.536 0.012 mas 179.5 microasec 214.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.22-22:56:10.536 0.412 mas 178.7 microasec 213.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4805 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to KAUAI 1311 4728114770.09 8.93 4728114770.09 8.93 -1011.50 2.57 35.54 20.84 GILCREEK 7225 to KWAJAL26 4968 6719676653.68 22.20 6719676653.68 22.20 -1386.77 9.91 -86.88 54.22 GILCREEK 7225 to MOJAVE12 7222 3816209207.46 6.08 3816209207.46 6.08 96.13 4.16 -55.12 17.63 GILCREEK 7225 to VNDNBERG 7223 3775849719.33 7.67 3775849719.33 7.67 -160.25 5.27 195.25 20.94 KAUAI 1311 to KWAJAL26 4968 3725196321.48 14.81 3725196321.48 14.81 -101.64 14.01 -427.11 55.47 KAUAI 1311 to MOJAVE12 7222 4303581229.57 6.18 4303581229.57 6.18 -970.04 4.08 239.77 19.43 KAUAI 1311 to VNDNBERG 7223 3972522449.48 6.74 3972522449.48 6.74 -480.21 4.84 427.26 22.85 KWAJAL26 4968 to MOJAVE12 7222 7576938597.84 23.31 7576938597.84 23.31 -1057.89 12.30 470.67 52.37 KWAJAL26 4968 to VNDNBERG 7223 7298104574.92 23.13 7298104574.92 23.13 -608.63 12.79 769.32 53.93 MOJAVE12 7222 to VNDNBERG 7223 351282455.57 4.66 351282455.57 4.66 -517.18 3.83 88.50 15.87 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:14 Correlator type: Unknown Experiment code: ia192 Mark-3 db_name: $84JUL22XA Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840722_b Ver 2 ia192 Matrix Condition Number = 5.891902055925520E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.6 3.3 842.5 1.2 60.8 4.2 RICHMOND MET 21.1 3.2 1014.3 1.8 79.8 17.6 WESTFORD MET 23.5 2.1 1008.5 1.1 25.2 1.7 Run 26091-1746 231 Observation Pairs Available Session started on: 2445904.257000 1984.07.22 18:10:04.800 UTC Nominal duration: 85968.000 sec 00 23:52:48.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 167 38.079 ps 0.89 1.3461 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 186 Number of potentially good observations with QC 5-9: 186 Number of used observations: 167 ( 89.78%) Number of suppressed observations: 19 ( 10.22%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 54 61 29.391 0.83 19840722_b ia192 1984.07.23-06:06:28.8 BAS_STAT HRAS_085 WESTFORD 60 68 45.359 0.96 19840722_b ia192 1984.07.23-06:06:28.8 BAS_STAT RICHMOND WESTFORD 53 57 42.827 0.88 19840722_b ia192 1984.07.23-06:06:28.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 10 13 64.481 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 0212+735 J0217+7349 7 8 17 96.157 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 0229+131 J0231+1322 7 10 13 42.551 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 0528+134 J0530+1331 20 23 23 50.723 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 0552+398 J0555+3948 18 20 21 33.745 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 1803+784 J1800+7828 7 7 7 71.155 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 2134+00 J2136+0041 17 17 18 39.576 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 3C273B J1229+0203 15 17 17 13.817 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 3C345 J1642+3948 14 15 17 20.725 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 3C454.3 J2253+1608 4 4 8 42.226 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: 4C39.25 J0927+3902 16 16 23 41.227 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: OJ287 J0854+2006 15 20 21 109.105 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: OQ208 J1407+2827 12 13 18 65.293 19840722_b ia192 1984.07.23-06:06:28.800 SRC_STAT: VR422201 J2202+4216 6 6 15 48.249 19840722_b ia192 1984.07.23-06:06:28.800 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.23-06:05:56 1. HRAS_085 7216 NOAM X Comp -1324211022.31 mm -5.308 mm 7.722 mm 8.959 mm 2. HRAS_085 7216 NOAM Y Comp -5332023151.62 mm -69.622 mm 30.414 mm 35.286 mm 3. HRAS_085 7216 NOAM Z Comp 3232118408.86 mm 101.862 mm 19.678 mm 22.830 mm HRAS_085 7216 U Comp 111.15 mm 111.147 mm 36.059 mm 32.214 mm HRAS_085 7216 E Comp 11.63 mm 11.630 mm 7.086 mm 6.331 mm HRAS_085 7216 N Comp 52.56 mm 52.559 mm 4.628 mm 4.135 mm 4. HRAS_085 CL 0 1984.07.22-18:09:32.616 20137.864 ns 0.294 ns 0.341 ns 5. HRAS_085 CL 1 1984.07.22-18:09:32.616 106.522 D-14 2.147 D-14 2.491 D-14 6. HRAS_085 CL 2 1984.07.22-18:09:32.616 5.330 D-14/day 1.908 D-14/day 2.214 D-14/day 31. HRAS_085 AT 0 1984.07.22-18:09:32.616 116.464 ps 94.611 ps 109.768 ps HRAS_085 Atm 1984.07.23-06:10:04.800 Avg: 119.412 ps Rms: 16.745 ps Tot_Rms: 120.580 ps || Nat: 96 Dura: 84520.0 sec Tzd_avg: 6911.7 Tzd_rms: 56.1 Wzd_avg: 529.7 Wzd_rms: 62.2 ps Prs_avg: 84242. Pa Tem_avg: 16.5 C Stm_avg: -4.5 C Stm_rms: 1.0 K Spr_avg: 83. Spr_rms: 49. Pa 104. HRAS_085 NG 1984.07.22-18:08:32.616 0.013 mm 0.422 mm 0.490 mm 105. HRAS_085 EG 1984.07.22-18:08:32.616 0.021 mm 0.422 mm 0.490 mm 106. HRAS_085 NG 1984.07.23-02:08:32.616 0.014 mm 0.377 mm 0.437 mm 107. HRAS_085 EG 1984.07.23-02:08:32.616 0.005 mm 0.377 mm 0.437 mm 108. HRAS_085 NG 1984.07.23-10:08:32.616 -0.009 mm 0.377 mm 0.437 mm 109. HRAS_085 EG 1984.07.23-10:08:32.616 -0.007 mm 0.377 mm 0.437 mm 110. HRAS_085 NG 1984.07.23-18:08:32.616 -0.017 mm 0.422 mm 0.490 mm 111. HRAS_085 EG 1984.07.23-18:08:32.616 -0.008 mm 0.422 mm 0.490 mm 112. RICHMOND 7219 NOAM X Comp 961257954.41 mm -64.593 mm 5.576 mm 6.470 mm 113. RICHMOND 7219 NOAM Y Comp -5674089972.32 mm 77.684 mm 25.031 mm 29.041 mm 114. RICHMOND 7219 NOAM Z Comp 2740533737.82 mm -60.184 mm 13.842 mm 16.059 mm RICHMOND 7219 U Comp -104.81 mm -104.813 mm 28.065 mm 25.073 mm RICHMOND 7219 E Comp -50.71 mm -50.710 mm 6.073 mm 5.426 mm RICHMOND 7219 N Comp -16.49 mm -16.494 mm 4.969 mm 4.440 mm 115. RICHMOND CL 0 1984.07.22-18:09:32.616 19302.342 ns 0.203 ns 0.235 ns 116. RICHMOND CL 1 1984.07.22-18:09:32.616 -202.409 D-14 2.126 D-14 2.467 D-14 117. RICHMOND CL 2 1984.07.22-18:09:32.616 2.265 D-14/day 1.869 D-14/day 2.168 D-14/day 142. RICHMOND AT 0 1984.07.22-18:09:32.616 53.004 ps 67.398 ps 78.195 ps RICHMOND Atm 1984.07.23-06:10:04.800 Avg: 136.548 ps Rms: 51.281 ps Tot_Rms: 145.859 ps || Nat: 87 Dura: 85970.0 sec Tzd_avg: 8746.3 Tzd_rms: 29.9 Wzd_avg: 1066.5 Wzd_rms: 34.8 ps Prs_avg: 101426. Pa Tem_avg: 21.0 C Stm_avg: -6.0 C Stm_rms: 2.9 K Spr_avg: -58. Spr_rms: 124. Pa 215. RICHMOND NG 1984.07.22-18:08:32.616 0.019 mm 0.422 mm 0.490 mm 216. RICHMOND EG 1984.07.22-18:08:32.616 -0.015 mm 0.422 mm 0.489 mm 217. RICHMOND NG 1984.07.23-02:08:32.616 0.005 mm 0.377 mm 0.437 mm 218. RICHMOND EG 1984.07.23-02:08:32.616 0.001 mm 0.377 mm 0.437 mm 219. RICHMOND NG 1984.07.23-10:08:32.616 -0.010 mm 0.377 mm 0.437 mm 220. RICHMOND EG 1984.07.23-10:08:32.616 -0.015 mm 0.377 mm 0.437 mm 221. RICHMOND NG 1984.07.23-18:08:32.616 -0.000 mm 0.422 mm 0.490 mm 222. RICHMOND EG 1984.07.23-18:08:32.616 -0.008 mm 0.422 mm 0.489 mm 223. WESTFORD 7209 NOAM X Comp 1492206612.90 mm 69.901 mm 6.756 mm 7.838 mm 224. WESTFORD 7209 NOAM Y Comp -4458130530.06 mm -8.063 mm 21.051 mm 24.424 mm 225. WESTFORD 7209 NOAM Z Comp 4296015505.32 mm -41.678 mm 16.370 mm 18.992 mm WESTFORD 7209 U Comp -6.26 mm -6.263 mm 25.872 mm 23.113 mm WESTFORD 7209 E Comp 63.73 mm 63.727 mm 7.985 mm 7.133 mm WESTFORD 7209 N Comp -50.87 mm -50.871 mm 4.865 mm 4.346 mm 226. WESTFORD AT 0 1984.07.22-18:09:32.616 -165.262 ps 55.737 ps 64.666 ps WESTFORD Atm 1984.07.23-06:10:04.800 Avg: -89.119 ps Rms: 49.424 ps Tot_Rms: 101.906 ps || Nat: 98 Dura: 85970.0 sec Tzd_avg: 8351.1 Tzd_rms: 24.4 Wzd_avg: 728.3 Wzd_rms: 19.7 ps Prs_avg: 100857. Pa Tem_avg: 23.4 C Stm_avg: 0.9 C Stm_rms: 0.8 K Spr_avg: 133. Spr_rms: 30. Pa 299. WESTFORD NG 1984.07.22-18:08:32.616 -0.023 mm 0.422 mm 0.490 mm 300. WESTFORD EG 1984.07.22-18:08:32.616 -0.009 mm 0.422 mm 0.490 mm 301. WESTFORD NG 1984.07.23-02:08:32.616 -0.028 mm 0.377 mm 0.437 mm 302. WESTFORD EG 1984.07.23-02:08:32.616 -0.017 mm 0.377 mm 0.437 mm 303. WESTFORD NG 1984.07.23-10:08:32.616 0.016 mm 0.377 mm 0.437 mm 304. WESTFORD EG 1984.07.23-10:08:32.616 0.011 mm 0.377 mm 0.437 mm 305. WESTFORD NG 1984.07.23-18:08:32.616 0.008 mm 0.422 mm 0.490 mm 306. WESTFORD EG 1984.07.23-18:08:32.616 -0.003 mm 0.422 mm 0.490 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.14 ps/h NRMS 0.22 share 0.91 count 73 2. RICHMOND Input 50.00 ps/h RMS 16.40 ps/h NRMS 0.33 share 0.92 count 73 3. WESTFORD Input 50.00 ps/h RMS 14.68 ps/h NRMS 0.29 share 0.89 count 73 Overall RMS 14.24 ps/h NRMS 0.28 share 0.91 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 24 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.55 D-14 NRMS 0.51 share 0.31 count 25 2. RICHMOND Input 5.00 D-14 RMS 3.26 D-14 NRMS 0.65 share 0.30 count 25 Overall RMS 2.93 D-14 NRMS 0.59 share 0.31 count 50 307. UT1-TAI 1, 1984.07.23-06:06:00.000 -0.6897 ms/d -127.48 micros/d 219.46 micros/d 254.61 micros/d EOP epoch (TDT) MJD: 45904.254539 NUT epoch (TDT) MJD: 45904.204354 308. Nutation DPSI wrt apriori model 1984.07.23-06:05:56.616 2.421 mas 1867.3 microasec 2166.5 microasec Nutation Dx wrt apriori model 1984.07.23-06:05:56.616 0.966 mas 740.2 microasec 858.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.23-06:05:56.616 -2.711 mas 1867.3 microasec 2166.5 microasec 309. Nutation DEPS wrt apriori model 1984.07.23-06:05:56.616 -0.872 mas 773.7 microasec 897.6 microasec Nutation Dy wrt apriori model 1984.07.23-06:05:56.616 -0.869 mas 776.2 microasec 900.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.23-06:05:56.616 -0.505 mas 773.7 microasec 897.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5694 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632777.68 11.43 2362632777.68 11.43 86.28 7.23 204.96 59.18 HRAS_085 7216 to WESTFORD 7209 3134928012.22 14.19 3134928012.22 14.19 102.35 6.08 135.19 56.30 RICHMOND 7219 to WESTFORD 7209 2044501741.80 9.30 2044501741.80 9.30 120.90 6.11 -105.66 41.43 NNT_POS: 4 stations participated in NNT_POS constraints: GILCREEK KODIAK NOME VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:18 Correlator type: Unknown Experiment code: cdp84l Mark-3 db_name: $84JUL23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840723_a Ver 2 cdp84l Matrix Condition Number = 4.887965425668808E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KODIAK : GION | | NOME : GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for KODIAK is 5.0 Elevation cut for NOME is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 17.6 4.9 978.5 1.0 99.8 1.0 KODIAK MET 12.0 2.0 1016.8 1.7 99.9 0.0 NOME MET 9.2 1.6 973.9 0.4 99.9 0.0 VNDNBERG MET 17.7 1.4 1016.9 1.4 91.4 10.1 Run 26091-1746 1183 Observation Pairs Available Session started on: 2445905.044300 1984.07.23 13:03:47.520 UTC Nominal duration: 174182.400 sec 02 00:23:02.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 436 33.663 ps 0.84 1.1616 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 442 Number of potentially good observations with QC 5-9: 442 Number of used observations: 436 ( 98.64%) Number of suppressed observations: 6 ( 1.36%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK KODIAK 96 98 83.704 0.81 19840723_a cdp84l 1984.07.24-13:15:18.7 BAS_STAT GILCREEK NOME 187 188 60.144 0.87 19840723_a cdp84l 1984.07.24-13:15:18.7 BAS_STAT GILCREEK VNDNBERG 107 107 16.816 0.76 19840723_a cdp84l 1984.07.24-13:15:18.7 BAS_STAT KODIAK NOME 6 7 289.590 0.98 19840723_a cdp84l 1984.07.24-13:15:18.7 BAS_STAT KODIAK VNDNBERG 5 5 165.319 0.93 19840723_a cdp84l 1984.07.24-13:15:18.7 BAS_STAT NOME VNDNBERG 35 37 101.441 0.94 19840723_a cdp84l 1984.07.24-13:15:18.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 12 12 38 32.360 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 0528+134 J0530+1331 28 28 81 44.951 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 0552+398 J0555+3948 49 49 135 46.520 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 2134+00 J2136+0041 21 21 49 22.049 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 3C273B J1229+0203 48 48 100 18.590 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 3C279 J1256-0547 2 2 12 24.518 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 3C345 J1642+3948 59 59 125 24.182 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 3C454.3 J2253+1608 32 33 86 36.420 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 3C84 J0319+4130 86 89 203 44.722 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: 4C39.25 J0927+3902 42 42 125 53.454 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: NRAO150 J0359+5057 57 59 221 45.059 19840723_a cdp84l 1984.07.24-13:15:18.720 SRC_STAT: NRAO530 J1733-1304 0 0 8 0.000 19840723_a cdp84l 1984.07.24-13:15:18.720 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.24-13:14:46 1. GILCREEK 7225 NOAM X Comp -2281547410.94 mm -26.937 mm 16.604 mm 17.896 mm 2. GILCREEK 7225 NOAM Y Comp -1453644971.86 mm 142.142 mm 9.396 mm 10.126 mm 3. GILCREEK 7225 NOAM Z Comp 5756993290.20 mm 163.197 mm 32.439 mm 34.962 mm GILCREEK 7225 U Comp 125.19 mm 125.185 mm 36.886 mm 30.995 mm GILCREEK 7225 E Comp -134.35 mm -134.352 mm 4.733 mm 3.977 mm GILCREEK 7225 N Comp 117.65 mm 117.650 mm 5.771 mm 4.850 mm 4. GILCREEK AT 0 1984.07.23-13:03:15.336 -33.338 ps 68.562 ps 73.895 ps GILCREEK Atm 1984.07.24-13:33:47.520 Avg: 4.029 ps Rms: 41.763 ps Tot_Rms: 41.956 ps || Nat: 281 Dura: 174180.0 sec Tzd_avg: 7851.7 Tzd_rms: 29.7 Wzd_avg: 453.9 Wzd_rms: 36.9 ps Prs_avg: 97851. Pa Tem_avg: 17.7 C Stm_avg: -0.1 C Stm_rms: 3.2 K Spr_avg: 39. Spr_rms: 72. Pa 152. GILCREEK NG 1984.07.23-13:02:15.336 0.005 mm 0.422 mm 0.455 mm 153. GILCREEK EG 1984.07.23-13:02:15.336 -0.017 mm 0.422 mm 0.454 mm 154. GILCREEK NG 1984.07.23-21:02:15.336 0.008 mm 0.376 mm 0.405 mm 155. GILCREEK EG 1984.07.23-21:02:15.336 -0.013 mm 0.376 mm 0.405 mm 156. GILCREEK NG 1984.07.24-05:02:15.336 0.032 mm 0.371 mm 0.400 mm 157. GILCREEK EG 1984.07.24-05:02:15.336 -0.013 mm 0.372 mm 0.401 mm 158. GILCREEK NG 1984.07.24-13:02:15.336 -0.009 mm 0.371 mm 0.400 mm 159. GILCREEK EG 1984.07.24-13:02:15.336 0.015 mm 0.371 mm 0.400 mm 160. GILCREEK NG 1984.07.24-21:02:15.336 -0.034 mm 0.372 mm 0.401 mm 161. GILCREEK EG 1984.07.24-21:02:15.336 0.005 mm 0.372 mm 0.401 mm 162. GILCREEK NG 1984.07.25-05:02:15.336 -0.028 mm 0.375 mm 0.404 mm 163. GILCREEK EG 1984.07.25-05:02:15.336 -0.020 mm 0.376 mm 0.405 mm 164. GILCREEK NG 1984.07.25-13:02:15.336 0.028 mm 0.420 mm 0.453 mm 165. GILCREEK EG 1984.07.25-13:02:15.336 0.028 mm 0.421 mm 0.454 mm 166. KODIAK 7278 NOAM X Comp -3026940490.18 mm -88.180 mm 46.368 mm 49.975 mm 167. KODIAK 7278 NOAM Y Comp -1575911787.47 mm 15.531 mm 23.520 mm 25.349 mm 168. KODIAK 7278 NOAM Z Comp 5370362673.56 mm 82.557 mm 83.527 mm 90.023 mm KODIAK 7278 U Comp 107.73 mm 107.733 mm 97.379 mm 81.826 mm KODIAK 7278 E Comp -54.50 mm -54.496 mm 8.706 mm 7.316 mm KODIAK 7278 N Comp -16.01 mm -16.010 mm 11.018 mm 9.258 mm 169. KODIAK CL 0 1984.07.23-13:03:15.336 -4615.994 ns 0.560 ns 0.603 ns 170. KODIAK CL 1 1984.07.23-13:03:15.336 230.997 D-14 1.513 D-14 1.631 D-14 171. KODIAK CL 2 1984.07.23-13:03:15.336 3.471 D-14/day 0.659 D-14/day 0.710 D-14/day 221. KODIAK AT 0 1984.07.23-13:03:15.336 -345.761 ps 187.196 ps 201.757 ps KODIAK Atm 1984.07.24-13:33:47.520 Avg: -278.978 ps Rms: 65.670 ps Tot_Rms: 286.603 ps || Nat: 283 Dura: 173720.0 sec Tzd_avg: 8210.5 Tzd_rms: 24.7 Wzd_avg: 540.8 Wzd_rms: 37.8 ps Prs_avg: 101681. Pa Tem_avg: 12.0 C Stm_avg: -0.2 C Stm_rms: 2.0 K Spr_avg: 292. Spr_rms: 55. Pa 369. KODIAK NG 1984.07.23-13:02:15.336 -0.003 mm 0.422 mm 0.455 mm 370. KODIAK EG 1984.07.23-13:02:15.336 -0.006 mm 0.422 mm 0.455 mm 371. KODIAK NG 1984.07.23-21:02:15.336 -0.010 mm 0.377 mm 0.406 mm 372. KODIAK EG 1984.07.23-21:02:15.336 -0.016 mm 0.377 mm 0.406 mm 373. KODIAK NG 1984.07.24-05:02:15.336 -0.014 mm 0.373 mm 0.402 mm 374. KODIAK EG 1984.07.24-05:02:15.336 -0.025 mm 0.373 mm 0.402 mm 375. KODIAK NG 1984.07.24-13:02:15.336 -0.014 mm 0.372 mm 0.401 mm 376. KODIAK EG 1984.07.24-13:02:15.336 -0.017 mm 0.372 mm 0.401 mm 377. KODIAK NG 1984.07.24-21:02:15.336 0.008 mm 0.373 mm 0.402 mm 378. KODIAK EG 1984.07.24-21:02:15.336 0.008 mm 0.373 mm 0.402 mm 379. KODIAK NG 1984.07.25-05:02:15.336 0.023 mm 0.377 mm 0.406 mm 380. KODIAK EG 1984.07.25-05:02:15.336 0.037 mm 0.377 mm 0.406 mm 381. KODIAK NG 1984.07.25-13:02:15.336 0.020 mm 0.422 mm 0.455 mm 382. KODIAK EG 1984.07.25-13:02:15.336 0.028 mm 0.422 mm 0.455 mm 383. NOME 7279 NOAM X Comp -2658150683.06 mm 56.944 mm 22.037 mm 23.751 mm 384. NOME 7279 NOAM Y Comp -693821820.99 mm 211.005 mm 10.132 mm 10.920 mm 385. NOME 7279 NOAM Z Comp 5737236695.25 mm 59.251 mm 45.890 mm 49.459 mm NOME 7279 U Comp 6.95 mm 6.951 mm 51.226 mm 43.044 mm NOME 7279 E Comp -189.78 mm -189.784 mm 6.258 mm 5.259 mm NOME 7279 N Comp 123.33 mm 123.331 mm 5.561 mm 4.673 mm 386. NOME CL 0 1984.07.23-13:03:15.336 -4450.151 ns 0.312 ns 0.336 ns 387. NOME CL 1 1984.07.23-13:03:15.336 261.910 D-14 1.503 D-14 1.620 D-14 388. NOME CL 2 1984.07.23-13:03:15.336 3.409 D-14/day 0.641 D-14/day 0.691 D-14/day 438. NOME AT 0 1984.07.23-13:03:15.336 -6.467 ps 99.272 ps 106.994 ps NOME Atm 1984.07.24-13:33:47.520 Avg: -23.327 ps Rms: 20.427 ps Tot_Rms: 31.007 ps || Nat: 254 Dura: 174180.0 sec Tzd_avg: 7842.3 Tzd_rms: 57.5 Wzd_avg: 464.9 Wzd_rms: 62.9 ps Prs_avg: 97385. Pa Tem_avg: 9.2 C Stm_avg: 0.9 C Stm_rms: 1.2 K Spr_avg: -155. Spr_rms: 30. Pa 586. NOME NG 1984.07.23-13:02:15.336 0.017 mm 0.422 mm 0.455 mm 587. NOME EG 1984.07.23-13:02:15.336 0.028 mm 0.422 mm 0.455 mm 588. NOME NG 1984.07.23-21:02:15.336 0.009 mm 0.376 mm 0.405 mm 589. NOME EG 1984.07.23-21:02:15.336 0.018 mm 0.376 mm 0.405 mm 590. NOME NG 1984.07.24-05:02:15.336 -0.017 mm 0.371 mm 0.400 mm 591. NOME EG 1984.07.24-05:02:15.336 0.034 mm 0.372 mm 0.401 mm 592. NOME NG 1984.07.24-13:02:15.336 -0.016 mm 0.371 mm 0.400 mm 593. NOME EG 1984.07.24-13:02:15.336 -0.003 mm 0.372 mm 0.401 mm 594. NOME NG 1984.07.24-21:02:15.336 0.013 mm 0.372 mm 0.401 mm 595. NOME EG 1984.07.24-21:02:15.336 -0.013 mm 0.372 mm 0.401 mm 596. NOME NG 1984.07.25-05:02:15.336 0.009 mm 0.375 mm 0.404 mm 597. NOME EG 1984.07.25-05:02:15.336 -0.024 mm 0.376 mm 0.405 mm 598. NOME NG 1984.07.25-13:02:15.336 -0.031 mm 0.420 mm 0.453 mm 599. NOME EG 1984.07.25-13:02:15.336 -0.031 mm 0.422 mm 0.454 mm 600. VNDNBERG 7223 PCFC X Comp -2678094988.83 mm 58.172 mm 20.231 mm 21.805 mm 601. VNDNBERG 7223 PCFC Y Comp -4525450868.68 mm -368.678 mm 15.288 mm 16.477 mm 602. VNDNBERG 7223 PCFC Z Comp 3597410110.99 mm -305.006 mm 36.723 mm 39.579 mm VNDNBERG 7223 U Comp 63.90 mm 63.903 mm 37.817 mm 31.777 mm VNDNBERG 7223 E Comp 237.83 mm 237.827 mm 12.143 mm 10.203 mm VNDNBERG 7223 N Comp -414.36 mm -414.356 mm 20.348 mm 17.098 mm 603. VNDNBERG CL 0 1984.07.23-13:03:15.336 -5691.148 ns 0.249 ns 0.268 ns 604. VNDNBERG CL 1 1984.07.23-13:03:15.336 65.396 D-14 1.492 D-14 1.608 D-14 605. VNDNBERG CL 2 1984.07.23-13:03:15.336 3.966 D-14/day 0.635 D-14/day 0.684 D-14/day 655. VNDNBERG AT 0 1984.07.23-13:03:15.336 17.334 ps 80.730 ps 87.009 ps VNDNBERG Atm 1984.07.24-13:33:47.520 Avg: 84.172 ps Rms: 37.597 ps Tot_Rms: 92.187 ps || Nat: 153 Dura: 173260.0 sec Tzd_avg: 8077.2 Tzd_rms: 112.7 Wzd_avg: 374.6 Wzd_rms: 120.9 ps Prs_avg: 101696. Pa Tem_avg: 17.8 C Stm_avg: 0.4 C Stm_rms: 1.0 K Spr_avg: 156. Spr_rms: 68. Pa 803. VNDNBERG NG 1984.07.23-13:02:15.336 -0.007 mm 0.422 mm 0.455 mm 804. VNDNBERG EG 1984.07.23-13:02:15.336 -0.012 mm 0.422 mm 0.455 mm 805. VNDNBERG NG 1984.07.23-21:02:15.336 -0.002 mm 0.376 mm 0.406 mm 806. VNDNBERG EG 1984.07.23-21:02:15.336 0.005 mm 0.377 mm 0.406 mm 807. VNDNBERG NG 1984.07.24-05:02:15.336 -0.011 mm 0.373 mm 0.402 mm 808. VNDNBERG EG 1984.07.24-05:02:15.336 0.007 mm 0.372 mm 0.401 mm 809. VNDNBERG NG 1984.07.24-13:02:15.336 0.025 mm 0.372 mm 0.401 mm 810. VNDNBERG EG 1984.07.24-13:02:15.336 0.022 mm 0.372 mm 0.400 mm 811. VNDNBERG NG 1984.07.24-21:02:15.336 0.008 mm 0.372 mm 0.401 mm 812. VNDNBERG EG 1984.07.24-21:02:15.336 -0.012 mm 0.372 mm 0.401 mm 813. VNDNBERG NG 1984.07.25-05:02:15.336 -0.016 mm 0.377 mm 0.406 mm 814. VNDNBERG EG 1984.07.25-05:02:15.336 -0.021 mm 0.376 mm 0.406 mm 815. VNDNBERG NG 1984.07.25-13:02:15.336 -0.020 mm 0.422 mm 0.455 mm 816. VNDNBERG EG 1984.07.25-13:02:15.336 -0.043 mm 0.422 mm 0.455 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 17.26 ps/h NRMS 0.35 share 0.84 count 148 2. KODIAK Input 50.00 ps/h RMS 8.35 ps/h NRMS 0.17 share 0.96 count 148 3. NOME Input 50.00 ps/h RMS 12.42 ps/h NRMS 0.25 share 0.91 count 148 4. VNDNBERG Input 50.00 ps/h RMS 18.07 ps/h NRMS 0.36 share 0.86 count 148 Overall RMS 14.56 ps/h NRMS 0.29 share 0.90 count 592 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.50 count 14 2. KODIAK Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.50 count 14 3. NOME Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.50 count 14 4. VNDNBERG Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.50 count 14 Overall RMS 0.06 mm/d NRMS 0.03 share 0.50 count 56 Clock Constraint Statistics 2. KODIAK Input 5.00 D-14 RMS 2.89 D-14 NRMS 0.58 share 0.55 count 50 3. NOME Input 5.00 D-14 RMS 2.32 D-14 NRMS 0.46 share 0.32 count 50 4. VNDNBERG Input 5.00 D-14 RMS 2.89 D-14 NRMS 0.58 share 0.32 count 50 Overall RMS 2.71 D-14 NRMS 0.54 share 0.39 count 150 817. UT1-TAI 1, 1984.07.24-13:15:00.000 -0.5656 ms/d -104.12 micros/d 29.63 micros/d 31.93 micros/d EOP epoch (TDT) MJD: 45905.552456 NUT epoch (TDT) MJD: 45905.541333 818. Nutation DPSI wrt apriori model 1984.07.24-13:14:46.536 0.614 mas 1567.5 microasec 1689.5 microasec Nutation Dx wrt apriori model 1984.07.24-13:14:46.536 0.250 mas 622.1 microasec 670.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.24-13:14:46.536 -4.907 mas 1567.5 microasec 1689.5 microasec 819. Nutation DEPS wrt apriori model 1984.07.24-13:14:46.536 -1.700 mas 431.3 microasec 464.9 microasec Nutation Dy wrt apriori model 1984.07.24-13:14:46.536 -1.700 mas 433.5 microasec 467.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.24-13:14:46.536 -1.576 mas 431.3 microasec 464.9 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3157 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to KODIAK 7278 848553622.65 14.93 848553622.65 14.93 -119.25 12.57 15.11 128.59 GILCREEK 7225 to NOME 7279 848263855.30 6.33 848263855.30 6.33 51.97 4.23 138.42 53.22 GILCREEK 7225 to VNDNBERG 7223 3775849700.02 12.48 3775849700.02 12.48 -106.46 4.43 145.66 38.28 KODIAK 7278 to NOME 7279 1024053308.47 17.87 1024053308.47 17.87 18.24 9.37 120.06 138.44 KODIAK 7278 to VNDNBERG 7223 3459022226.66 42.05 3459022226.66 42.05 -18.68 10.68 161.81 127.00 NOME 7279 to VNDNBERG 7223 4388694195.89 22.52 4388694195.89 22.52 11.92 5.64 33.59 59.63 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:21 Correlator type: Unknown Experiment code: ia193 Mark-3 db_name: $84JUL27XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840727_a Ver 2 ia193 Matrix Condition Number = 1.013871759582026E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET -999.0 0.0 -999.0 0.0 -999.0 0.0 RICHMOND MET 26.6 1.7 1017.5 0.8 49.6 1.6 WESTFORD MET 14.1 1.5 1004.6 1.7 83.0 13.0 Run 26091-1746 243 Observation Pairs Available Session started on: 2445909.256300 1984.07.27 18:09:04.320 UTC Nominal duration: 85656.960 sec 00 23:47:36.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 134 51.907 ps 0.85 1.2964 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 138 Number of potentially good observations with QC 5-9: 138 Number of used observations: 134 ( 97.10%) Number of suppressed observations: 4 ( 2.90%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 5 5 14.941 0.45 19840727_a ia193 1984.07.28-06:02:52.8 BAS_STAT HRAS_085 WESTFORD 71 73 47.579 0.89 19840727_a ia193 1984.07.28-06:02:52.8 BAS_STAT RICHMOND WESTFORD 58 60 77.278 0.83 19840727_a ia193 1984.07.28-06:02:52.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 9 9 14 52.012 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 0212+735 J0217+7349 8 8 17 78.222 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 0229+131 J0231+1322 10 10 14 53.250 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 0528+134 J0530+1331 14 14 23 61.983 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 0552+398 J0555+3948 13 13 21 49.585 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 1803+784 J1800+7828 6 6 6 131.869 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 2134+00 J2136+0041 15 15 22 59.942 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 3C273B J1229+0203 8 8 15 31.404 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 3C345 J1642+3948 11 11 19 30.500 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 3C454.3 J2253+1608 12 12 17 39.853 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: 4C39.25 J0927+3902 12 12 22 42.834 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: OJ287 J0854+2006 1 5 20 51.740 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: OQ208 J1407+2827 9 9 17 114.385 19840727_a ia193 1984.07.28-06:02:52.800 SRC_STAT: VR422201 J2202+4216 6 6 16 68.853 19840727_a ia193 1984.07.28-06:02:52.800 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.28-06:02:20 1. HRAS_085 7216 NOAM X Comp -1324211043.84 mm -26.845 mm 8.910 mm 10.145 mm 2. HRAS_085 7216 NOAM Y Comp -5332023132.55 mm -50.554 mm 38.270 mm 43.575 mm 3. HRAS_085 7216 NOAM Z Comp 3232118435.77 mm 128.770 mm 25.756 mm 29.326 mm HRAS_085 7216 U Comp 113.40 mm 113.403 mm 45.183 mm 38.443 mm HRAS_085 7216 E Comp -13.87 mm -13.869 mm 10.404 mm 8.852 mm HRAS_085 7216 N Comp 82.50 mm 82.496 mm 7.594 mm 6.461 mm 4. HRAS_085 AT 0 1984.07.27-18:08:32.136 15.390 ps 99.322 ps 113.088 ps HRAS_085 Atm 1984.07.28-06:09:04.320 Avg: 18.301 ps Rms: 9.900 ps Tot_Rms: 20.807 ps || Nat: 92 Dura: 84520.0 sec Tzd_avg: 6918.5 Tzd_rms: 12.2 Wzd_avg: 526.3 Wzd_rms: 14.9 ps Prs_avg: 83509. Pa Tem_avg: 4.6 C Stm_avg: -16.1 C Stm_rms: 3.0 K Spr_avg: -782. Spr_rms: 84. Pa 77. HRAS_085 NG 1984.07.27-18:07:32.136 -0.001 mm 0.422 mm 0.481 mm 78. HRAS_085 EG 1984.07.27-18:07:32.136 0.004 mm 0.422 mm 0.481 mm 79. HRAS_085 NG 1984.07.28-02:07:32.136 0.016 mm 0.377 mm 0.429 mm 80. HRAS_085 EG 1984.07.28-02:07:32.136 -0.002 mm 0.377 mm 0.429 mm 81. HRAS_085 NG 1984.07.28-10:07:32.136 0.001 mm 0.377 mm 0.429 mm 82. HRAS_085 EG 1984.07.28-10:07:32.136 0.011 mm 0.377 mm 0.429 mm 83. HRAS_085 NG 1984.07.28-18:07:32.136 -0.003 mm 0.422 mm 0.481 mm 84. HRAS_085 EG 1984.07.28-18:07:32.136 -0.009 mm 0.422 mm 0.481 mm 85. RICHMOND 7219 NOAM X Comp 961257961.95 mm -57.046 mm 9.219 mm 10.497 mm 86. RICHMOND 7219 NOAM Y Comp -5674089986.07 mm 63.930 mm 38.454 mm 43.783 mm 87. RICHMOND 7219 NOAM Z Comp 2740533731.95 mm -66.054 mm 23.224 mm 26.442 mm RICHMOND 7219 U Comp -93.99 mm -93.985 mm 43.706 mm 37.186 mm RICHMOND 7219 E Comp -45.57 mm -45.566 mm 8.322 mm 7.081 mm RICHMOND 7219 N Comp -28.19 mm -28.195 mm 11.114 mm 9.456 mm 88. RICHMOND CL 0 1984.07.27-18:08:32.136 -1176.045 ns 0.393 ns 0.448 ns 89. RICHMOND CL 1 1984.07.27-18:08:32.136 -357.246 D-14 2.190 D-14 2.493 D-14 90. RICHMOND CL 2 1984.07.27-18:08:32.136 -4.299 D-14/day 1.964 D-14/day 2.236 D-14/day 115. RICHMOND AT 0 1984.07.27-18:08:32.136 -12.209 ps 92.582 ps 105.414 ps RICHMOND Atm 1984.07.28-06:09:04.320 Avg: 32.056 ps Rms: 27.045 ps Tot_Rms: 41.941 ps || Nat: 89 Dura: 85660.0 sec Tzd_avg: 8496.7 Tzd_rms: 24.6 Wzd_avg: 793.8 Wzd_rms: 26.9 ps Prs_avg: 101756. Pa Tem_avg: 26.6 C Stm_avg: -1.5 C Stm_rms: 1.3 K Spr_avg: 90. Spr_rms: 61. Pa 188. RICHMOND NG 1984.07.27-18:07:32.136 -0.006 mm 0.422 mm 0.481 mm 189. RICHMOND EG 1984.07.27-18:07:32.136 -0.013 mm 0.422 mm 0.481 mm 190. RICHMOND NG 1984.07.28-02:07:32.136 -0.002 mm 0.377 mm 0.429 mm 191. RICHMOND EG 1984.07.28-02:07:32.136 -0.006 mm 0.377 mm 0.429 mm 192. RICHMOND NG 1984.07.28-10:07:32.136 0.010 mm 0.377 mm 0.429 mm 193. RICHMOND EG 1984.07.28-10:07:32.136 -0.006 mm 0.377 mm 0.429 mm 194. RICHMOND NG 1984.07.28-18:07:32.136 0.007 mm 0.422 mm 0.481 mm 195. RICHMOND EG 1984.07.28-18:07:32.136 0.006 mm 0.422 mm 0.481 mm 196. WESTFORD 7209 NOAM X Comp 1492206626.89 mm 83.891 mm 7.112 mm 8.098 mm 197. WESTFORD 7209 NOAM Y Comp -4458130535.38 mm -13.377 mm 28.428 mm 32.368 mm 198. WESTFORD 7209 NOAM Z Comp 4296015484.28 mm -62.716 mm 21.563 mm 24.552 mm WESTFORD 7209 U Comp -13.53 mm -13.530 mm 34.273 mm 29.160 mm WESTFORD 7209 E Comp 75.31 mm 75.307 mm 9.289 mm 7.903 mm WESTFORD 7209 N Comp -72.77 mm -72.772 mm 7.925 mm 6.742 mm 199. WESTFORD CL 0 1984.07.27-18:08:32.136 -20522.163 ns 0.332 ns 0.378 ns 200. WESTFORD CL 1 1984.07.27-18:08:32.136 -108.061 D-14 2.157 D-14 2.456 D-14 201. WESTFORD CL 2 1984.07.27-18:08:32.136 1.677 D-14/day 1.941 D-14/day 2.210 D-14/day 226. WESTFORD AT 0 1984.07.27-18:08:32.136 -49.187 ps 49.289 ps 56.120 ps WESTFORD Atm 1984.07.28-06:09:04.320 Avg: -49.952 ps Rms: 49.941 ps Tot_Rms: 70.635 ps || Nat: 100 Dura: 85660.0 sec Tzd_avg: 8271.9 Tzd_rms: 133.9 Wzd_avg: 681.4 Wzd_rms: 150.9 ps Prs_avg: 100461. Pa Tem_avg: 14.1 C Stm_avg: -0.6 C Stm_rms: 1.6 K Spr_avg: 190. Spr_rms: 36. Pa 299. WESTFORD NG 1984.07.27-18:07:32.136 0.010 mm 0.422 mm 0.481 mm 300. WESTFORD EG 1984.07.27-18:07:32.136 0.007 mm 0.422 mm 0.481 mm 301. WESTFORD NG 1984.07.28-02:07:32.136 -0.007 mm 0.377 mm 0.429 mm 302. WESTFORD EG 1984.07.28-02:07:32.136 0.003 mm 0.377 mm 0.429 mm 303. WESTFORD NG 1984.07.28-10:07:32.136 -0.002 mm 0.377 mm 0.429 mm 304. WESTFORD EG 1984.07.28-10:07:32.136 -0.000 mm 0.377 mm 0.429 mm 305. WESTFORD NG 1984.07.28-18:07:32.136 -0.009 mm 0.422 mm 0.481 mm 306. WESTFORD EG 1984.07.28-18:07:32.136 -0.001 mm 0.422 mm 0.481 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 10.37 ps/h NRMS 0.21 share 0.93 count 73 2. RICHMOND Input 50.00 ps/h RMS 10.02 ps/h NRMS 0.20 share 0.95 count 73 3. WESTFORD Input 50.00 ps/h RMS 17.44 ps/h NRMS 0.35 share 0.91 count 73 Overall RMS 13.07 ps/h NRMS 0.26 share 0.93 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.02 share 0.54 count 24 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 1.61 D-14 NRMS 0.32 share 0.47 count 25 3. WESTFORD Input 5.00 D-14 RMS 3.01 D-14 NRMS 0.60 share 0.32 count 25 Overall RMS 2.41 D-14 NRMS 0.48 share 0.39 count 50 307. UT1-TAI 1, 1984.07.28-06:02:00.000 -0.6435 ms/d 127.57 micros/d 285.35 micros/d 324.90 micros/d EOP epoch (TDT) MJD: 45909.251761 NUT epoch (TDT) MJD: 45909.256277 308. Nutation DPSI wrt apriori model 1984.07.28-06:02:20.616 0.460 mas 2208.7 microasec 2514.8 microasec Nutation Dx wrt apriori model 1984.07.28-06:02:20.616 0.186 mas 874.8 microasec 996.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.28-06:02:20.616 -4.618 mas 2208.7 microasec 2514.8 microasec 309. Nutation DEPS wrt apriori model 1984.07.28-06:02:20.616 -0.948 mas 1099.2 microasec 1251.6 microasec Nutation Dy wrt apriori model 1984.07.28-06:02:20.616 -0.947 mas 1102.2 microasec 1255.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.28-06:02:20.616 -1.402 mas 1099.2 microasec 1251.6 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5975 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632817.38 17.52 2362632817.38 17.52 121.89 16.36 192.59 81.99 HRAS_085 7216 to WESTFORD 7209 3134928021.07 14.45 3134928021.07 14.45 165.51 7.39 144.59 68.53 RICHMOND 7219 to WESTFORD 7209 2044501736.95 17.44 2044501736.95 17.44 131.95 10.29 -91.62 65.08 NNT_POS: 4 stations participated in NNT_POS constraints: KASHIMA KAUAI KWAJAL26 MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:24 Correlator type: Unknown Experiment code: wp841a Mark-3 db_name: $84JUL28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840728_a Ver 2 wp841a Matrix Condition Number = 1.571692336661496E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KASHIMA : GION | | KAUAI : GION | | KWAJAL26: GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for KASHIMA is 5.0 Elevation cut for KAUAI is 5.0 Elevation cut for KWAJAL26 is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET -999.0 0.0 -999.0 0.0 0.0 0.0 KASHIMA MET 25.3 1.6 1007.2 0.4 97.1 3.8 KAUAI MET 18.2 3.6 892.6 0.5 94.8 3.8 KWAJAL26 MET 28.2 1.2 1009.0 1.0 81.7 0.2 MOJAVE12 MET 24.5 2.1 911.9 0.8 83.7 1.5 Run 26091-1746 610 Observation Pairs Available Session started on: 2445909.873400 1984.07.28 08:57:41.760 UTC Nominal duration: 93191.040 sec 01 01:53:11.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 370 36.867 ps 0.97 1.4715 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 385 Number of potentially good observations with QC 5-9: 385 Number of used observations: 370 ( 96.10%) Number of suppressed observations: 15 ( 3.90%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps KASHIMA KAUAI 78 85 25.331 0.84 19840728_a wp841a 1984.07.28-21:54:17.2 BAS_STAT KASHIMA KWAJAL26 84 85 54.273 0.93 19840728_a wp841a 1984.07.28-21:54:17.2 BAS_STAT KASHIMA MOJAVE12 70 74 30.380 1.07 19840728_a wp841a 1984.07.28-21:54:17.2 BAS_STAT KAUAI KWAJAL26 42 43 155.219 1.03 19840728_a wp841a 1984.07.28-21:54:17.2 BAS_STAT KAUAI MOJAVE12 72 74 33.220 0.94 19840728_a wp841a 1984.07.28-21:54:17.2 BAS_STAT KWAJAL26 MOJAVE12 24 24 193.266 1.19 19840728_a wp841a 1984.07.28-21:54:17.2 BAS_STAT Not included: GILCREEK KASHIMA 0/ 0 deselected baseline 19840728_a wp841a GILCREEK KAUAI 0/ 0 deselected baseline 19840728_a wp841a GILCREEK KWAJAL26 0/ 0 deselected baseline 19840728_a wp841a GILCREEK MOJAVE12 0/ 0 deselected baseline 19840728_a wp841a Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 21 21 24 60.647 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 0229+131 J0231+1322 31 31 42 41.191 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 0234+285 J0237+2848 27 27 50 34.589 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 0552+398 J0555+3948 37 37 66 36.619 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 1548+056 J1550+0527 27 28 50 46.121 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 1803+784 J1800+7828 32 33 67 31.899 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 2145+067 J2148+0657 29 29 42 36.803 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 3C273B J1229+0203 30 37 59 45.919 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 3C345 J1642+3948 68 70 92 23.109 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 3C454.3 J2253+1608 30 30 43 40.704 19840728_a wp841a 1984.07.28-21:54:17.280 SRC_STAT: 4C39.25 J0927+3902 38 42 75 54.919 19840728_a wp841a 1984.07.28-21:54:17.280 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.28-21:53:45 1. KASHIMA 1856 NOAM X Comp -3997892228.47 mm 47.532 mm 14.709 mm 17.843 mm 2. KASHIMA 1856 NOAM Y Comp 3276581783.03 mm 481.034 mm 6.559 mm 7.957 mm 3. KASHIMA 1856 NOAM Z Comp 3724118495.09 mm 291.095 mm 10.691 mm 12.969 mm KASHIMA 1856 U Comp 387.98 mm 387.982 mm 16.715 mm 16.264 mm KASHIMA 1856 E Comp -402.17 mm -402.175 mm 8.278 mm 8.054 mm KASHIMA 1856 N Comp 78.19 mm 78.192 mm 5.076 mm 4.939 mm 4. KASHIMA CL 0 1984.07.28-08:57:09.576 2778.676 ns 0.158 ns 0.192 ns 5. KASHIMA CL 1 1984.07.28-08:57:09.576 103.984 D-14 2.011 D-14 2.439 D-14 6. KASHIMA CL 2 1984.07.28-08:57:09.576 3.046 D-14/day 1.610 D-14/day 1.953 D-14/day 33. KASHIMA AT 0 1984.07.28-08:57:09.576 117.224 ps 64.401 ps 78.121 ps KASHIMA Atm 1984.07.28-21:57:41.760 Avg: 110.180 ps Rms: 73.174 ps Tot_Rms: 132.265 ps || Nat: 122 Dura: 93193.0 sec Tzd_avg: 8481.7 Tzd_rms: 70.6 Wzd_avg: 863.1 Wzd_rms: 75.7 ps Prs_avg: 100722. Pa Tem_avg: 25.2 C Stm_avg: -2.2 C Stm_rms: 0.6 K Spr_avg: 54. Spr_rms: 28. Pa 112. KASHIMA NG 1984.07.28-08:56:09.576 0.001 mm 0.422 mm 0.512 mm 113. KASHIMA EG 1984.07.28-08:56:09.576 -0.011 mm 0.422 mm 0.512 mm 114. KASHIMA NG 1984.07.28-16:56:09.576 -0.010 mm 0.377 mm 0.457 mm 115. KASHIMA EG 1984.07.28-16:56:09.576 -0.002 mm 0.377 mm 0.457 mm 116. KASHIMA NG 1984.07.29-00:56:09.576 0.009 mm 0.377 mm 0.457 mm 117. KASHIMA EG 1984.07.29-00:56:09.576 -0.022 mm 0.377 mm 0.457 mm 118. KASHIMA NG 1984.07.29-08:56:09.576 0.025 mm 0.422 mm 0.512 mm 119. KASHIMA EG 1984.07.29-08:56:09.576 0.027 mm 0.422 mm 0.512 mm 120. KAUAI 1311 PCFC X Comp -5543846020.65 mm 71.347 mm 17.662 mm 21.425 mm 121. KAUAI 1311 PCFC Y Comp -2054563874.20 mm -424.196 mm 6.239 mm 7.568 mm 122. KAUAI 1311 PCFC Z Comp 2387813908.41 mm -299.587 mm 9.718 mm 11.789 mm KAUAI 1311 U Comp -38.26 mm -38.258 mm 19.343 mm 18.821 mm KAUAI 1311 E Comp 422.55 mm 422.553 mm 6.809 mm 6.625 mm KAUAI 1311 N Comp -307.85 mm -307.848 mm 4.979 mm 4.845 mm 123. KAUAI AT 0 1984.07.28-08:57:09.576 -73.134 ps 53.130 ps 64.449 ps KAUAI Atm 1984.07.28-21:57:41.760 Avg: -60.835 ps Rms: 33.692 ps Tot_Rms: 69.542 ps || Nat: 121 Dura: 93193.0 sec Tzd_avg: 7120.7 Tzd_rms: 16.9 Wzd_avg: 344.0 Wzd_rms: 15.1 ps Prs_avg: 89254. Pa Tem_avg: 18.1 C Stm_avg: 2.1 C Stm_rms: 3.4 K Spr_avg: 33. Spr_rms: 43. Pa 202. KAUAI NG 1984.07.28-08:56:09.576 0.034 mm 0.422 mm 0.512 mm 203. KAUAI EG 1984.07.28-08:56:09.576 -0.014 mm 0.422 mm 0.512 mm 204. KAUAI NG 1984.07.28-16:56:09.576 0.019 mm 0.376 mm 0.456 mm 205. KAUAI EG 1984.07.28-16:56:09.576 0.005 mm 0.376 mm 0.457 mm 206. KAUAI NG 1984.07.29-00:56:09.576 -0.049 mm 0.377 mm 0.457 mm 207. KAUAI EG 1984.07.29-00:56:09.576 0.033 mm 0.377 mm 0.457 mm 208. KAUAI NG 1984.07.29-08:56:09.576 -0.015 mm 0.421 mm 0.511 mm 209. KAUAI EG 1984.07.29-08:56:09.576 -0.031 mm 0.421 mm 0.511 mm 210. KWAJAL26 4968 PCFC X Comp -6143536565.12 mm -281.122 mm 28.999 mm 35.178 mm 211. KWAJAL26 4968 PCFC Y Comp 1363997508.87 mm -499.132 mm 7.830 mm 9.498 mm 212. KWAJAL26 4968 PCFC Z Comp 1034707529.49 mm -254.508 mm 14.443 mm 17.521 mm KWAJAL26 4968 U Comp 122.46 mm 122.461 mm 30.541 mm 29.716 mm KWAJAL26 4968 E Comp 548.20 mm 548.198 mm 6.919 mm 6.732 mm KWAJAL26 4968 N Comp -278.24 mm -278.242 mm 11.414 mm 11.106 mm 213. KWAJAL26 CL 0 1984.07.28-08:57:09.576 -27662.629 ns 0.209 ns 0.253 ns 214. KWAJAL26 CL 1 1984.07.28-08:57:09.576 -323.602 D-14 2.021 D-14 2.452 D-14 215. KWAJAL26 CL 2 1984.07.28-08:57:09.576 -5.639 D-14/day 1.632 D-14/day 1.980 D-14/day 242. KWAJAL26 AT 0 1984.07.28-08:57:09.576 -125.240 ps 58.986 ps 71.554 ps KWAJAL26 Atm 1984.07.28-21:57:41.760 Avg: -83.268 ps Rms: 17.078 ps Tot_Rms: 85.002 ps || Nat: 126 Dura: 92953.0 sec Tzd_avg: 8646.1 Tzd_rms: 46.6 Wzd_avg: 1017.3 Wzd_rms: 48.4 ps Prs_avg: 100902. Pa Tem_avg: 28.3 C Stm_avg: 1.1 C Stm_rms: 0.7 K Spr_avg: 201. Spr_rms: 61. Pa 321. KWAJAL26 NG 1984.07.28-08:56:09.576 0.003 mm 0.422 mm 0.512 mm 322. KWAJAL26 EG 1984.07.28-08:56:09.576 0.027 mm 0.422 mm 0.512 mm 323. KWAJAL26 NG 1984.07.28-16:56:09.576 0.007 mm 0.377 mm 0.457 mm 324. KWAJAL26 EG 1984.07.28-16:56:09.576 -0.025 mm 0.377 mm 0.457 mm 325. KWAJAL26 NG 1984.07.29-00:56:09.576 0.008 mm 0.377 mm 0.457 mm 326. KWAJAL26 EG 1984.07.29-00:56:09.576 -0.012 mm 0.377 mm 0.457 mm 327. KWAJAL26 NG 1984.07.29-08:56:09.576 0.005 mm 0.422 mm 0.512 mm 328. KWAJAL26 EG 1984.07.29-08:56:09.576 0.010 mm 0.422 mm 0.512 mm 329. MOJAVE12 7222 NOAM X Comp -2356170933.76 mm 162.243 mm 15.345 mm 18.614 mm 330. MOJAVE12 7222 NOAM Y Comp -4646755389.71 mm 442.295 mm 10.633 mm 12.898 mm 331. MOJAVE12 7222 NOAM Z Comp 3668470844.00 mm 263.000 mm 12.847 mm 15.584 mm MOJAVE12 7222 U Comp -229.59 mm -229.588 mm 17.948 mm 17.463 mm MOJAVE12 7222 E Comp -55.32 mm -55.320 mm 12.458 mm 12.122 mm MOJAVE12 7222 N Comp 485.12 mm 485.124 mm 6.021 mm 5.858 mm 332. MOJAVE12 CL 0 1984.07.28-08:57:09.576 280.927 ns 0.155 ns 0.188 ns 333. MOJAVE12 CL 1 1984.07.28-08:57:09.576 -149.939 D-14 2.006 D-14 2.434 D-14 334. MOJAVE12 CL 2 1984.07.28-08:57:09.576 -0.023 D-14/day 1.604 D-14/day 1.946 D-14/day 361. MOJAVE12 AT 0 1984.07.28-08:57:09.576 57.270 ps 40.896 ps 49.610 ps MOJAVE12 Atm 1984.07.28-21:57:41.760 Avg: 26.911 ps Rms: 39.512 ps Tot_Rms: 47.806 ps || Nat: 94 Dura: 92353.0 sec Tzd_avg: 7578.1 Tzd_rms: 45.5 Wzd_avg: 687.7 Wzd_rms: 45.8 ps Prs_avg: 91188. Pa Tem_avg: 24.5 C Stm_avg: 0.5 C Stm_rms: 0.9 K Spr_avg: 219. Spr_rms: 44. Pa 440. MOJAVE12 NG 1984.07.28-08:56:09.576 -0.026 mm 0.422 mm 0.512 mm 441. MOJAVE12 EG 1984.07.28-08:56:09.576 -0.004 mm 0.422 mm 0.512 mm 442. MOJAVE12 NG 1984.07.28-16:56:09.576 0.010 mm 0.377 mm 0.457 mm 443. MOJAVE12 EG 1984.07.28-16:56:09.576 -0.001 mm 0.377 mm 0.457 mm 444. MOJAVE12 NG 1984.07.29-00:56:09.576 0.037 mm 0.377 mm 0.457 mm 445. MOJAVE12 EG 1984.07.29-00:56:09.576 -0.008 mm 0.377 mm 0.457 mm 446. MOJAVE12 NG 1984.07.29-08:56:09.576 -0.001 mm 0.422 mm 0.512 mm 447. MOJAVE12 EG 1984.07.29-08:56:09.576 0.016 mm 0.422 mm 0.512 mm Atmosphere Constraint Statistics 2. KASHIMA Input 50.00 ps/h RMS 36.23 ps/h NRMS 0.72 share 0.78 count 79 3. KAUAI Input 50.00 ps/h RMS 21.17 ps/h NRMS 0.42 share 0.83 count 79 4. KWAJAL26 Input 50.00 ps/h RMS 12.87 ps/h NRMS 0.26 share 0.90 count 79 5. MOJAVE12 Input 50.00 ps/h RMS 26.65 ps/h NRMS 0.53 share 0.79 count 79 Overall RMS 25.68 ps/h NRMS 0.51 share 0.82 count 316 Gradient Constraint Statistics 2. KASHIMA Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 3. KAUAI Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.54 count 8 4. KWAJAL26 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 5. MOJAVE12 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 2. KASHIMA Input 5.00 D-14 RMS 2.57 D-14 NRMS 0.51 share 0.26 count 27 4. KWAJAL26 Input 5.00 D-14 RMS 1.70 D-14 NRMS 0.34 share 0.37 count 27 5. MOJAVE12 Input 5.00 D-14 RMS 2.73 D-14 NRMS 0.55 share 0.21 count 27 Overall RMS 2.38 D-14 NRMS 0.48 share 0.28 count 81 448. UT1-TAI 1, 1984.07.28-21:54:00.000 -0.7902 ms/d 158.71 micros/d 34.83 micros/d 42.25 micros/d EOP epoch (TDT) MJD: 45909.912873 NUT epoch (TDT) MJD: 45909.974202 449. Nutation DPSI wrt apriori model 1984.07.28-21:53:45.096 0.806 mas 688.2 microasec 834.9 microasec Nutation Dx wrt apriori model 1984.07.28-21:53:45.096 0.320 mas 273.0 microasec 331.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.28-21:53:45.096 -4.119 mas 688.2 microasec 834.9 microasec 450. Nutation DEPS wrt apriori model 1984.07.28-21:53:45.096 0.134 mas 232.1 microasec 281.6 microasec Nutation Dy wrt apriori model 1984.07.28-21:53:45.096 0.135 mas 233.1 microasec 282.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.28-21:53:45.096 -0.258 mas 232.1 microasec 281.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5902 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.28 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) KASHIMA 1856 to KAUAI 1311 5709360480.35 9.79 5709360480.35 9.79 158.76 4.98 434.80 27.79 KASHIMA 1856 to KWAJAL26 4968 3936330723.80 13.93 3936330723.80 13.93 -457.51 10.25 316.22 41.74 KASHIMA 1856 to MOJAVE12 7222 8091824109.77 14.37 8091824109.77 14.37 -60.18 6.64 89.76 27.44 KAUAI 1311 to KWAJAL26 4968 3725196310.48 11.44 3725196310.48 11.44 -72.93 13.92 -354.62 44.91 KAUAI 1311 to MOJAVE12 7222 4303581241.17 9.47 4303581241.17 9.47 -962.00 6.78 260.11 29.23 KWAJAL26 4968 to MOJAVE12 7222 7576938565.82 22.68 7576938565.82 22.68 -1022.21 13.84 431.87 42.40 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK KASHIMA KAUAI KWAJAL26 MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:27 Correlator type: Unknown Experiment code: wp841b Mark-3 db_name: $84JUL29X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840729_a Ver 2 wp841b Matrix Condition Number = 6.931695669716292E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KASHIMA : GION | | KAUAI : GION | | KWAJAL26: GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for KASHIMA is 5.0 Elevation cut for KAUAI is 5.0 Elevation cut for KWAJAL26 is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 12.6 1.7 974.5 1.1 96.9 3.7 KASHIMA MET 24.3 1.2 1007.5 0.6 94.5 2.2 KAUAI MET 17.5 3.2 892.3 0.4 91.3 0.9 KWAJAL26 MET 27.4 1.0 1010.5 0.6 81.8 1.3 MOJAVE12 MET 27.0 3.2 912.3 1.1 81.5 0.4 Run 26091-1746 1019 Observation Pairs Available Session started on: 2445910.998500 1984.07.29 11:57:50.400 UTC Nominal duration: 92404.800 sec 01 01:40:04.800 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 701 30.666 ps 1.24 2.2519 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 712 Number of potentially good observations with QC 5-9: 712 Number of used observations: 701 ( 98.46%) Number of suppressed observations: 11 ( 1.54%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK KASHIMA 68 70 26.744 1.80 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT GILCREEK KAUAI 93 94 19.206 1.01 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT GILCREEK KWAJAL26 81 81 100.505 1.19 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT GILCREEK MOJAVE12 76 76 15.828 0.97 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT KASHIMA KAUAI 85 85 36.225 1.31 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT KASHIMA KWAJAL26 84 86 83.896 1.08 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT KASHIMA MOJAVE12 75 77 43.455 1.47 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT KAUAI KWAJAL26 45 46 118.402 1.03 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT KAUAI MOJAVE12 73 76 41.023 1.14 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT KWAJAL26 MOJAVE12 21 21 123.357 0.92 19840729_a wp841b 1984.07.30-00:47:52.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 22 22 37 28.165 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 0229+131 J0231+1322 34 36 67 34.168 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 0234+285 J0237+2848 46 49 90 30.707 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 0552+398 J0555+3948 84 86 111 19.170 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 1548+056 J1550+0527 44 44 82 47.945 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 1803+784 J1800+7828 79 79 115 28.671 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 2145+067 J2148+0657 61 61 79 28.098 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 3C273B J1229+0203 70 73 93 27.890 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 3C345 J1642+3948 98 98 124 35.453 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 3C454.3 J2253+1608 83 83 98 27.242 19840729_a wp841b 1984.07.30-00:47:52.800 SRC_STAT: 4C39.25 J0927+3902 80 81 123 41.247 19840729_a wp841b 1984.07.30-00:47:52.800 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.07.30-00:47:20 1. GILCREEK 7225 NOAM X Comp -2281547114.77 mm 269.234 mm 8.354 mm 12.536 mm 2. GILCREEK 7225 NOAM Y Comp -1453644614.17 mm 499.825 mm 3.343 mm 5.017 mm 3. GILCREEK 7225 NOAM Z Comp 5756993380.87 mm 253.871 mm 9.232 mm 13.854 mm GILCREEK 7225 U Comp 20.41 mm 20.410 mm 10.929 mm 13.499 mm GILCREEK 7225 E Comp -276.87 mm -276.868 mm 5.260 mm 6.497 mm GILCREEK 7225 N Comp 556.50 mm 556.499 mm 4.369 mm 5.396 mm 4. GILCREEK CL 0 1984.07.29-11:57:18.216 4728.320 ns 0.094 ns 0.142 ns 5. GILCREEK CL 1 1984.07.29-11:57:18.216 -246.730 D-14 1.977 D-14 2.967 D-14 6. GILCREEK CL 2 1984.07.29-11:57:18.216 -0.781 D-14/day 1.587 D-14/day 2.381 D-14/day 33. GILCREEK AT 0 1984.07.29-11:57:18.216 -22.960 ps 32.759 ps 49.159 ps GILCREEK Atm 1984.07.30-00:57:50.400 Avg: 10.657 ps Rms: 33.679 ps Tot_Rms: 35.325 ps || Nat: 124 Dura: 92400.0 sec Tzd_avg: 7799.3 Tzd_rms: 13.7 Wzd_avg: 433.2 Wzd_rms: 17.1 ps Prs_avg: 97450. Pa Tem_avg: 12.7 C Stm_avg: 0.6 C Stm_rms: 1.1 K Spr_avg: 65. Spr_rms: 38. Pa 112. GILCREEK NG 1984.07.29-11:56:18.216 -0.032 mm 0.420 mm 0.630 mm 113. GILCREEK EG 1984.07.29-11:56:18.216 -0.003 mm 0.421 mm 0.632 mm 114. GILCREEK NG 1984.07.29-19:56:18.216 -0.012 mm 0.375 mm 0.563 mm 115. GILCREEK EG 1984.07.29-19:56:18.216 -0.115 mm 0.376 mm 0.564 mm 116. GILCREEK NG 1984.07.30-03:56:18.216 0.130 mm 0.375 mm 0.563 mm 117. GILCREEK EG 1984.07.30-03:56:18.216 0.001 mm 0.376 mm 0.564 mm 118. GILCREEK NG 1984.07.30-11:56:18.216 0.108 mm 0.418 mm 0.627 mm 119. GILCREEK EG 1984.07.30-11:56:18.216 0.122 mm 0.420 mm 0.631 mm 120. KASHIMA 1856 NOAM X Comp -3997892334.23 mm -58.234 mm 9.573 mm 14.365 mm 121. KASHIMA 1856 NOAM Y Comp 3276581643.80 mm 341.797 mm 4.651 mm 6.980 mm 122. KASHIMA 1856 NOAM Z Comp 3724118472.65 mm 268.648 mm 7.961 mm 11.946 mm KASHIMA 1856 U Comp 369.58 mm 369.576 mm 11.674 mm 14.419 mm KASHIMA 1856 E Comp -227.44 mm -227.442 mm 4.845 mm 5.984 mm KASHIMA 1856 N Comp 63.81 mm 63.814 mm 4.110 mm 5.077 mm 123. KASHIMA CL 0 1984.07.29-11:57:18.216 2883.541 ns 0.097 ns 0.145 ns 124. KASHIMA CL 1 1984.07.29-11:57:18.216 108.417 D-14 1.988 D-14 2.983 D-14 125. KASHIMA CL 2 1984.07.29-11:57:18.216 4.973 D-14/day 1.599 D-14/day 2.399 D-14/day 152. KASHIMA AT 0 1984.07.29-11:57:18.216 -42.893 ps 34.159 ps 51.260 ps KASHIMA Atm 1984.07.30-00:57:50.400 Avg: -16.666 ps Rms: 46.977 ps Tot_Rms: 49.846 ps || Nat: 120 Dura: 92400.0 sec Tzd_avg: 8451.1 Tzd_rms: 38.5 Wzd_avg: 828.2 Wzd_rms: 42.6 ps Prs_avg: 100749. Pa Tem_avg: 24.3 C Stm_avg: -2.1 C Stm_rms: 0.8 K Spr_avg: 41. Spr_rms: 24. Pa 231. KASHIMA NG 1984.07.29-11:56:18.216 -0.103 mm 0.421 mm 0.632 mm 232. KASHIMA EG 1984.07.29-11:56:18.216 -0.115 mm 0.422 mm 0.633 mm 233. KASHIMA NG 1984.07.29-19:56:18.216 -0.012 mm 0.376 mm 0.565 mm 234. KASHIMA EG 1984.07.29-19:56:18.216 -0.136 mm 0.376 mm 0.565 mm 235. KASHIMA NG 1984.07.30-03:56:18.216 0.144 mm 0.376 mm 0.564 mm 236. KASHIMA EG 1984.07.30-03:56:18.216 0.045 mm 0.376 mm 0.564 mm 237. KASHIMA NG 1984.07.30-11:56:18.216 0.055 mm 0.421 mm 0.632 mm 238. KASHIMA EG 1984.07.30-11:56:18.216 0.113 mm 0.421 mm 0.631 mm 239. KAUAI 1311 PCFC X Comp -5543846018.71 mm 73.290 mm 11.764 mm 17.653 mm 240. KAUAI 1311 PCFC Y Comp -2054563998.49 mm -548.489 mm 4.509 mm 6.766 mm 241. KAUAI 1311 PCFC Z Comp 2387813832.18 mm -375.821 mm 6.968 mm 10.457 mm KAUAI 1311 U Comp -28.65 mm -28.648 mm 13.213 mm 16.320 mm KAUAI 1311 E Comp 539.77 mm 539.774 mm 4.382 mm 5.412 mm KAUAI 1311 N Comp -394.05 mm -394.050 mm 3.674 mm 4.538 mm 242. KAUAI AT 0 1984.07.29-11:57:18.216 -2.980 ps 22.059 ps 33.103 ps KAUAI Atm 1984.07.30-00:57:50.400 Avg: 6.354 ps Rms: 21.411 ps Tot_Rms: 22.334 ps || Nat: 122 Dura: 92400.0 sec Tzd_avg: 7137.0 Tzd_rms: 12.3 Wzd_avg: 362.0 Wzd_rms: 13.2 ps Prs_avg: 89236. Pa Tem_avg: 17.6 C Stm_avg: 1.9 C Stm_rms: 2.9 K Spr_avg: 28. Spr_rms: 53. Pa 321. KAUAI NG 1984.07.29-11:56:18.216 0.027 mm 0.420 mm 0.631 mm 322. KAUAI EG 1984.07.29-11:56:18.216 0.044 mm 0.419 mm 0.629 mm 323. KAUAI NG 1984.07.29-19:56:18.216 -0.029 mm 0.376 mm 0.565 mm 324. KAUAI EG 1984.07.29-19:56:18.216 0.090 mm 0.375 mm 0.563 mm 325. KAUAI NG 1984.07.30-03:56:18.216 -0.116 mm 0.376 mm 0.564 mm 326. KAUAI EG 1984.07.30-03:56:18.216 -0.014 mm 0.376 mm 0.564 mm 327. KAUAI NG 1984.07.30-11:56:18.216 -0.048 mm 0.420 mm 0.630 mm 328. KAUAI EG 1984.07.30-11:56:18.216 -0.085 mm 0.418 mm 0.628 mm 329. KWAJAL26 4968 PCFC X Comp -6143536697.28 mm -413.281 mm 25.963 mm 38.961 mm 330. KWAJAL26 4968 PCFC Y Comp 1363997389.16 mm -618.839 mm 6.831 mm 10.251 mm 331. KWAJAL26 4968 PCFC Z Comp 1034707456.80 mm -327.198 mm 12.501 mm 18.760 mm KWAJAL26 4968 U Comp 212.28 mm 212.279 mm 27.443 mm 33.897 mm KWAJAL26 4968 E Comp 693.70 mm 693.704 mm 4.828 mm 5.963 mm KWAJAL26 4968 N Comp -366.79 mm -366.788 mm 10.029 mm 12.388 mm 332. KWAJAL26 CL 0 1984.07.29-11:57:18.216 -27982.896 ns 0.165 ns 0.247 ns 333. KWAJAL26 CL 1 1984.07.29-11:57:18.216 -337.225 D-14 2.011 D-14 3.018 D-14 334. KWAJAL26 CL 2 1984.07.29-11:57:18.216 -4.732 D-14/day 1.622 D-14/day 2.434 D-14/day 361. KWAJAL26 AT 0 1984.07.29-11:57:18.216 -120.244 ps 45.393 ps 68.118 ps KWAJAL26 Atm 1984.07.30-00:57:50.400 Avg: -77.311 ps Rms: 30.578 ps Tot_Rms: 83.138 ps || Nat: 123 Dura: 92400.0 sec Tzd_avg: 8685.2 Tzd_rms: 34.5 Wzd_avg: 1045.8 Wzd_rms: 37.0 ps Prs_avg: 101045. Pa Tem_avg: 27.4 C Stm_avg: 0.1 C Stm_rms: 0.7 K Spr_avg: 191. Spr_rms: 57. Pa 440. KWAJAL26 NG 1984.07.29-11:56:18.216 0.011 mm 0.422 mm 0.634 mm 441. KWAJAL26 EG 1984.07.29-11:56:18.216 0.010 mm 0.422 mm 0.633 mm 442. KWAJAL26 NG 1984.07.29-19:56:18.216 0.015 mm 0.377 mm 0.566 mm 443. KWAJAL26 EG 1984.07.29-19:56:18.216 0.017 mm 0.377 mm 0.565 mm 444. KWAJAL26 NG 1984.07.30-03:56:18.216 -0.008 mm 0.377 mm 0.566 mm 445. KWAJAL26 EG 1984.07.30-03:56:18.216 0.002 mm 0.376 mm 0.565 mm 446. KWAJAL26 NG 1984.07.30-11:56:18.216 -0.035 mm 0.422 mm 0.633 mm 447. KWAJAL26 EG 1984.07.30-11:56:18.216 -0.004 mm 0.421 mm 0.632 mm 448. MOJAVE12 7222 NOAM X Comp -2356170967.01 mm 128.990 mm 9.044 mm 13.572 mm 449. MOJAVE12 7222 NOAM Y Comp -4646755506.29 mm 325.705 mm 7.482 mm 11.228 mm 450. MOJAVE12 7222 NOAM Z Comp 3668470761.50 mm 180.500 mm 7.765 mm 11.652 mm MOJAVE12 7222 U Comp -180.20 mm -180.197 mm 11.244 mm 13.888 mm MOJAVE12 7222 E Comp -32.25 mm -32.252 mm 7.636 mm 9.432 mm MOJAVE12 7222 N Comp 348.99 mm 348.986 mm 3.653 mm 4.513 mm 451. MOJAVE12 CL 0 1984.07.29-11:57:18.216 135.442 ns 0.108 ns 0.162 ns 452. MOJAVE12 CL 1 1984.07.29-11:57:18.216 -149.442 D-14 1.990 D-14 2.986 D-14 453. MOJAVE12 CL 2 1984.07.29-11:57:18.216 -1.286 D-14/day 1.596 D-14/day 2.394 D-14/day 480. MOJAVE12 AT 0 1984.07.29-11:57:18.216 73.809 ps 38.459 ps 57.713 ps MOJAVE12 Atm 1984.07.30-00:57:50.400 Avg: 40.541 ps Rms: 33.747 ps Tot_Rms: 52.749 ps || Nat: 90 Dura: 92400.0 sec Tzd_avg: 7517.1 Tzd_rms: 36.3 Wzd_avg: 619.1 Wzd_rms: 40.1 ps Prs_avg: 91226. Pa Tem_avg: 27.0 C Stm_avg: 1.7 C Stm_rms: 2.2 K Spr_avg: 187. Spr_rms: 85. Pa 559. MOJAVE12 NG 1984.07.29-11:56:18.216 0.002 mm 0.420 mm 0.631 mm 560. MOJAVE12 EG 1984.07.29-11:56:18.216 -0.007 mm 0.421 mm 0.632 mm 561. MOJAVE12 NG 1984.07.29-19:56:18.216 0.025 mm 0.376 mm 0.565 mm 562. MOJAVE12 EG 1984.07.29-19:56:18.216 0.057 mm 0.376 mm 0.564 mm 563. MOJAVE12 NG 1984.07.30-03:56:18.216 0.003 mm 0.376 mm 0.564 mm 564. MOJAVE12 EG 1984.07.30-03:56:18.216 0.073 mm 0.376 mm 0.564 mm 565. MOJAVE12 NG 1984.07.30-11:56:18.216 -0.003 mm 0.420 mm 0.630 mm 566. MOJAVE12 EG 1984.07.30-11:56:18.216 0.006 mm 0.421 mm 0.632 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 37.70 ps/h NRMS 0.75 share 0.60 count 79 2. KASHIMA Input 50.00 ps/h RMS 46.26 ps/h NRMS 0.93 share 0.66 count 79 3. KAUAI Input 50.00 ps/h RMS 26.75 ps/h NRMS 0.53 share 0.71 count 79 4. KWAJAL26 Input 50.00 ps/h RMS 13.89 ps/h NRMS 0.28 share 0.88 count 79 5. MOJAVE12 Input 50.00 ps/h RMS 27.86 ps/h NRMS 0.56 share 0.70 count 79 Overall RMS 32.39 ps/h NRMS 0.65 share 0.71 count 395 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.30 mm/d NRMS 0.15 share 0.53 count 8 2. KASHIMA Input 2.00 mm/d RMS 0.34 mm/d NRMS 0.17 share 0.53 count 8 3. KAUAI Input 2.00 mm/d RMS 0.22 mm/d NRMS 0.11 share 0.53 count 8 4. KWAJAL26 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 5. MOJAVE12 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 Overall RMS 0.24 mm/d NRMS 0.12 share 0.53 count 40 Clock Constraint Statistics 1. GILCREEK Input 5.00 D-14 RMS 1.70 D-14 NRMS 0.34 share 0.15 count 27 2. KASHIMA Input 5.00 D-14 RMS 2.54 D-14 NRMS 0.51 share 0.16 count 27 4. KWAJAL26 Input 5.00 D-14 RMS 2.87 D-14 NRMS 0.57 share 0.27 count 27 5. MOJAVE12 Input 5.00 D-14 RMS 1.94 D-14 NRMS 0.39 share 0.17 count 27 Overall RMS 2.31 D-14 NRMS 0.46 share 0.19 count 108 567. UT1-TAI 1, 1984.07.30-00:47:00.000 -1.2817 ms/d -32.15 micros/d 17.20 micros/d 25.81 micros/d EOP epoch (TDT) MJD: 45911.033011 NUT epoch (TDT) MJD: 45911.056522 568. Nutation DPSI wrt apriori model 1984.07.30-00:47:20.616 0.798 mas 423.5 microasec 635.6 microasec Nutation Dx wrt apriori model 1984.07.30-00:47:20.616 0.318 mas 168.1 microasec 252.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.07.30-00:47:20.616 -3.977 mas 423.5 microasec 635.6 microasec 569. Nutation DEPS wrt apriori model 1984.07.30-00:47:20.616 -0.287 mas 105.5 microasec 158.3 microasec Nutation Dy wrt apriori model 1984.07.30-00:47:20.616 -0.286 mas 106.0 microasec 159.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.07.30-00:47:20.616 -0.486 mas 105.5 microasec 158.3 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 2.3580 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.07.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to KASHIMA 1856 5427104362.04 5.66 5427104362.04 5.66 -321.51 3.31 -165.78 17.13 GILCREEK 7225 to KAUAI 1311 4728114748.65 5.99 4728114748.65 5.99 -1009.73 2.65 -4.45 17.56 GILCREEK 7225 to KWAJAL26 4968 6719676654.65 17.64 6719676654.65 17.64 -1383.60 4.91 -174.98 33.97 GILCREEK 7225 to MOJAVE12 7222 3816209195.04 5.61 3816209195.04 5.61 113.29 3.82 -83.48 15.28 KASHIMA 1856 to KAUAI 1311 5709360449.82 7.04 5709360449.82 7.04 156.23 3.93 552.18 17.32 KASHIMA 1856 to KWAJAL26 4968 3936330763.02 10.78 3936330763.02 10.78 -413.14 10.03 306.46 34.86 KASHIMA 1856 to MOJAVE12 7222 8091824102.72 10.17 8091824102.72 10.17 -77.27 3.43 184.82 16.13 KAUAI 1311 to KWAJAL26 4968 3725196334.98 10.89 3725196334.98 10.89 -99.75 10.40 -483.84 36.20 KAUAI 1311 to MOJAVE12 7222 4303581208.60 6.07 4303581208.60 6.07 -956.46 4.64 244.43 18.71 KWAJAL26 4968 to MOJAVE12 7222 7576938609.38 19.98 7576938609.38 19.98 -1040.78 9.84 519.31 32.50 NNT_POS: 4 stations participated in NNT_POS constraints: GILCREEK SOURDOGH VNDNBERG YAKATAGA NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:30 Correlator type: Unknown Experiment code: cdp84m Mark-3 db_name: $84JUL31X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840731_a Ver 2 cdp84m Matrix Condition Number = 4.702228745295124E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | SOURDOGH: GION | | VNDNBERG: GION | | YAKATAGA: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for SOURDOGH is 5.0 Elevation cut for VNDNBERG is 5.0 Elevation cut for YAKATAGA is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 15.1 1.7 975.2 1.0 77.7 13.8 SOURDOGH MET 13.8 2.8 927.4 0.6 69.9 8.8 VNDNBERG MET 17.1 2.2 1012.6 1.0 70.1 9.8 YAKATAGA MET 11.8 2.5 1018.7 2.2 75.1 16.6 Run 26091-1746 1052 Observation Pairs Available Session started on: 2445913.169200 1984.07.31 16:03:38.880 UTC Nominal duration: 172333.440 sec 01 23:52:13.440 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 531 25.322 ps 0.85 1.1996 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 545 Number of potentially good observations with QC 5-9: 545 Number of used observations: 531 ( 97.43%) Number of suppressed observations: 14 ( 2.57%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK SOURDOGH 200 203 18.167 0.81 19840731_a cdp84m 1984.08.01-15:59:45.6 BAS_STAT GILCREEK VNDNBERG 92 95 17.907 0.75 19840731_a cdp84m 1984.08.01-15:59:45.6 BAS_STAT GILCREEK YAKATAGA 170 175 61.442 0.89 19840731_a cdp84m 1984.08.01-15:59:45.6 BAS_STAT SOURDOGH VNDNBERG 27 30 82.156 0.95 19840731_a cdp84m 1984.08.01-15:59:45.6 BAS_STAT SOURDOGH YAKATAGA 30 30 139.329 0.98 19840731_a cdp84m 1984.08.01-15:59:45.6 BAS_STAT VNDNBERG YAKATAGA 12 12 130.919 1.03 19840731_a cdp84m 1984.08.01-15:59:45.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 29 32 67 43.955 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 0528+134 J0530+1331 41 41 69 64.560 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 0552+398 J0555+3948 44 46 96 46.096 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 2134+00 J2136+0041 31 32 54 29.140 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 3C273B J1229+0203 44 44 52 15.252 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 3C279 J1256-0547 10 10 15 22.189 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 3C345 J1642+3948 75 76 153 17.419 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 3C454.3 J2253+1608 47 48 106 20.535 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 3C84 J0319+4130 67 70 122 16.495 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: 4C39.25 J0927+3902 73 75 158 44.911 19840731_a cdp84m 1984.08.01-15:59:45.600 SRC_STAT: NRAO150 J0359+5057 70 71 160 36.644 19840731_a cdp84m 1984.08.01-15:59:45.600 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.01-15:59:13 1. GILCREEK 7225 NOAM X Comp -2281547442.01 mm -58.006 mm 6.730 mm 7.372 mm 2. GILCREEK 7225 NOAM Y Comp -1453644866.04 mm 247.956 mm 5.928 mm 6.492 mm 3. GILCREEK 7225 NOAM Z Comp 5756993369.18 mm 242.181 mm 17.412 mm 19.071 mm GILCREEK 7225 U Comp 183.79 mm 183.790 mm 18.938 mm 16.104 mm GILCREEK 7225 E Comp -240.29 mm -240.287 mm 2.831 mm 2.407 mm GILCREEK 7225 N Comp 178.83 mm 178.835 mm 4.117 mm 3.501 mm 4. GILCREEK AT 0 1984.07.31-16:03:06.696 104.538 ps 69.747 ps 76.393 ps GILCREEK Atm 1984.08.01-16:03:38.880 Avg: 98.577 ps Rms: 30.781 ps Tot_Rms: 103.271 ps || Nat: 238 Dura: 172328.0 sec Tzd_avg: 7876.5 Tzd_rms: 119.5 Wzd_avg: 508.0 Wzd_rms: 126.8 ps Prs_avg: 97522. Pa Tem_avg: 15.0 C Stm_avg: 1.7 C Stm_rms: 0.5 K Spr_avg: 74. Spr_rms: 52. Pa 149. GILCREEK NG 1984.07.31-16:02:06.696 -0.034 mm 0.421 mm 0.461 mm 150. GILCREEK EG 1984.07.31-16:02:06.696 0.015 mm 0.419 mm 0.459 mm 151. GILCREEK NG 1984.08.01-00:02:06.696 -0.054 mm 0.372 mm 0.407 mm 152. GILCREEK EG 1984.08.01-00:02:06.696 -0.013 mm 0.371 mm 0.406 mm 153. GILCREEK NG 1984.08.01-08:02:06.696 -0.050 mm 0.368 mm 0.403 mm 154. GILCREEK EG 1984.08.01-08:02:06.696 0.024 mm 0.369 mm 0.404 mm 155. GILCREEK NG 1984.08.01-16:02:06.696 -0.071 mm 0.370 mm 0.405 mm 156. GILCREEK EG 1984.08.01-16:02:06.696 -0.011 mm 0.369 mm 0.405 mm 157. GILCREEK NG 1984.08.02-00:02:06.696 -0.010 mm 0.371 mm 0.406 mm 158. GILCREEK EG 1984.08.02-00:02:06.696 -0.028 mm 0.369 mm 0.405 mm 159. GILCREEK NG 1984.08.02-08:02:06.696 0.096 mm 0.371 mm 0.406 mm 160. GILCREEK EG 1984.08.02-08:02:06.696 0.015 mm 0.371 mm 0.407 mm 161. GILCREEK NG 1984.08.02-16:02:06.696 0.112 mm 0.419 mm 0.458 mm 162. GILCREEK EG 1984.08.02-16:02:06.696 0.005 mm 0.418 mm 0.458 mm 163. SOURDOGH 7281 NOAM X Comp -2419993741.05 mm 43.954 mm 8.567 mm 9.383 mm 164. SOURDOGH 7281 NOAM Y Comp -1664228568.92 mm 177.078 mm 7.161 mm 7.844 mm 165. SOURDOGH 7281 NOAM Z Comp 5643538391.85 mm 269.852 mm 19.696 mm 21.572 mm SOURDOGH 7281 U Comp 177.01 mm 177.009 mm 22.228 mm 18.902 mm SOURDOGH 7281 E Comp -121.00 mm -121.000 mm 2.765 mm 2.352 mm SOURDOGH 7281 N Comp 245.22 mm 245.225 mm 3.293 mm 2.800 mm 166. SOURDOGH CL 0 1984.07.31-16:03:06.696 -1393.476 ns 0.119 ns 0.131 ns 167. SOURDOGH CL 1 1984.07.31-16:03:06.696 325.953 D-14 1.451 D-14 1.589 D-14 168. SOURDOGH CL 2 1984.07.31-16:03:06.696 3.089 D-14/day 0.629 D-14/day 0.689 D-14/day 217. SOURDOGH AT 0 1984.07.31-16:03:06.696 133.158 ps 78.607 ps 86.096 ps SOURDOGH Atm 1984.08.01-16:03:38.880 Avg: 166.856 ps Rms: 22.871 ps Tot_Rms: 168.417 ps || Nat: 236 Dura: 172328.0 sec Tzd_avg: 7477.6 Tzd_rms: 72.4 Wzd_avg: 437.3 Wzd_rms: 64.5 ps Prs_avg: 92743. Pa Tem_avg: 13.8 C Stm_avg: 1.6 C Stm_rms: 2.3 K Spr_avg: -317. Spr_rms: 177. Pa 362. SOURDOGH NG 1984.07.31-16:02:06.696 0.049 mm 0.421 mm 0.461 mm 363. SOURDOGH EG 1984.07.31-16:02:06.696 -0.005 mm 0.419 mm 0.459 mm 364. SOURDOGH NG 1984.08.01-00:02:06.696 0.026 mm 0.372 mm 0.407 mm 365. SOURDOGH EG 1984.08.01-00:02:06.696 0.058 mm 0.371 mm 0.406 mm 366. SOURDOGH NG 1984.08.01-08:02:06.696 0.046 mm 0.368 mm 0.403 mm 367. SOURDOGH EG 1984.08.01-08:02:06.696 -0.022 mm 0.369 mm 0.404 mm 368. SOURDOGH NG 1984.08.01-16:02:06.696 0.056 mm 0.370 mm 0.405 mm 369. SOURDOGH EG 1984.08.01-16:02:06.696 -0.020 mm 0.370 mm 0.405 mm 370. SOURDOGH NG 1984.08.02-00:02:06.696 0.024 mm 0.371 mm 0.406 mm 371. SOURDOGH EG 1984.08.02-00:02:06.696 0.021 mm 0.370 mm 0.405 mm 372. SOURDOGH NG 1984.08.02-08:02:06.696 -0.099 mm 0.370 mm 0.405 mm 373. SOURDOGH EG 1984.08.02-08:02:06.696 -0.023 mm 0.371 mm 0.407 mm 374. SOURDOGH NG 1984.08.02-16:02:06.696 -0.105 mm 0.419 mm 0.458 mm 375. SOURDOGH EG 1984.08.02-16:02:06.696 0.002 mm 0.418 mm 0.458 mm 376. VNDNBERG 7223 PCFC X Comp -2678095022.25 mm 24.748 mm 13.118 mm 14.368 mm 377. VNDNBERG 7223 PCFC Y Comp -4525450790.48 mm -290.480 mm 14.410 mm 15.783 mm 378. VNDNBERG 7223 PCFC Z Comp 3597410260.06 mm -155.942 mm 29.300 mm 32.091 mm VNDNBERG 7223 U Comp 107.05 mm 107.049 mm 30.122 mm 25.615 mm VNDNBERG 7223 E Comp 169.24 mm 169.236 mm 6.465 mm 5.498 mm VNDNBERG 7223 N Comp -263.07 mm -263.075 mm 17.003 mm 14.459 mm 379. VNDNBERG CL 0 1984.07.31-16:03:06.696 -5028.758 ns 0.217 ns 0.238 ns 380. VNDNBERG CL 1 1984.07.31-16:03:06.696 121.777 D-14 1.486 D-14 1.627 D-14 381. VNDNBERG CL 2 1984.07.31-16:03:06.696 3.171 D-14/day 0.661 D-14/day 0.724 D-14/day 430. VNDNBERG AT 0 1984.07.31-16:03:06.696 110.393 ps 56.759 ps 62.167 ps VNDNBERG Atm 1984.08.01-16:03:38.880 Avg: 38.385 ps Rms: 46.504 ps Tot_Rms: 60.299 ps || Nat: 130 Dura: 172328.0 sec Tzd_avg: 8127.3 Tzd_rms: 117.2 Wzd_avg: 462.8 Wzd_rms: 125.9 ps Prs_avg: 101263. Pa Tem_avg: 17.1 C Stm_avg: 1.1 C Stm_rms: 1.1 K Spr_avg: 182. Spr_rms: 45. Pa 575. VNDNBERG NG 1984.07.31-16:02:06.696 -0.024 mm 0.422 mm 0.462 mm 576. VNDNBERG EG 1984.07.31-16:02:06.696 -0.007 mm 0.422 mm 0.462 mm 577. VNDNBERG NG 1984.08.01-00:02:06.696 -0.004 mm 0.376 mm 0.412 mm 578. VNDNBERG EG 1984.08.01-00:02:06.696 -0.020 mm 0.376 mm 0.412 mm 579. VNDNBERG NG 1984.08.01-08:02:06.696 -0.029 mm 0.373 mm 0.408 mm 580. VNDNBERG EG 1984.08.01-08:02:06.696 -0.015 mm 0.372 mm 0.408 mm 581. VNDNBERG NG 1984.08.01-16:02:06.696 -0.020 mm 0.372 mm 0.408 mm 582. VNDNBERG EG 1984.08.01-16:02:06.696 0.021 mm 0.372 mm 0.408 mm 583. VNDNBERG NG 1984.08.02-00:02:06.696 -0.007 mm 0.373 mm 0.408 mm 584. VNDNBERG EG 1984.08.02-00:02:06.696 0.009 mm 0.372 mm 0.408 mm 585. VNDNBERG NG 1984.08.02-08:02:06.696 0.020 mm 0.376 mm 0.412 mm 586. VNDNBERG EG 1984.08.02-08:02:06.696 -0.010 mm 0.376 mm 0.412 mm 587. VNDNBERG NG 1984.08.02-16:02:06.696 0.009 mm 0.422 mm 0.462 mm 588. VNDNBERG EG 1984.08.02-16:02:06.696 -0.024 mm 0.422 mm 0.462 mm 589. YAKATAGA 7277 NOAM X Comp -2529744479.70 mm -10.696 mm 14.895 mm 16.314 mm 590. YAKATAGA 7277 NOAM Y Comp -1942091198.56 mm -134.555 mm 11.814 mm 12.939 mm 591. YAKATAGA 7277 NOAM Z Comp 5505027940.91 mm -356.091 mm 31.049 mm 34.007 mm YAKATAGA 7277 U Comp -263.54 mm -263.537 mm 35.954 mm 30.574 mm YAKATAGA 7277 E Comp 100.22 mm 100.217 mm 3.694 mm 3.142 mm YAKATAGA 7277 N Comp -255.98 mm -255.978 mm 4.375 mm 3.720 mm 592. YAKATAGA CL 0 1984.07.31-16:03:06.696 -11068.732 ns 0.299 ns 0.327 ns 593. YAKATAGA CL 1 1984.07.31-16:03:06.696 293.756 D-14 1.525 D-14 1.670 D-14 594. YAKATAGA CL 2 1984.07.31-16:03:06.696 3.114 D-14/day 0.659 D-14/day 0.722 D-14/day 643. YAKATAGA AT 0 1984.07.31-16:03:06.696 246.630 ps 105.740 ps 115.814 ps YAKATAGA Atm 1984.08.01-16:03:38.880 Avg: 258.710 ps Rms: 35.762 ps Tot_Rms: 261.170 ps || Nat: 237 Dura: 171768.0 sec Tzd_avg: 8061.4 Tzd_rms: 45.3 Wzd_avg: 377.6 Wzd_rms: 30.5 ps Prs_avg: 101875. Pa Tem_avg: 11.8 C Stm_avg: -5.2 C Stm_rms: 1.4 K Spr_avg: 344. Spr_rms: 54. Pa 788. YAKATAGA NG 1984.07.31-16:02:06.696 -0.011 mm 0.422 mm 0.462 mm 789. YAKATAGA EG 1984.07.31-16:02:06.696 0.001 mm 0.422 mm 0.462 mm 790. YAKATAGA NG 1984.08.01-00:02:06.696 0.011 mm 0.376 mm 0.411 mm 791. YAKATAGA EG 1984.08.01-00:02:06.696 -0.015 mm 0.376 mm 0.411 mm 792. YAKATAGA NG 1984.08.01-08:02:06.696 0.019 mm 0.372 mm 0.407 mm 793. YAKATAGA EG 1984.08.01-08:02:06.696 0.010 mm 0.372 mm 0.408 mm 794. YAKATAGA NG 1984.08.01-16:02:06.696 0.016 mm 0.372 mm 0.408 mm 795. YAKATAGA EG 1984.08.01-16:02:06.696 0.021 mm 0.372 mm 0.407 mm 796. YAKATAGA NG 1984.08.02-00:02:06.696 -0.015 mm 0.372 mm 0.408 mm 797. YAKATAGA EG 1984.08.02-00:02:06.696 -0.004 mm 0.372 mm 0.407 mm 798. YAKATAGA NG 1984.08.02-08:02:06.696 -0.011 mm 0.376 mm 0.412 mm 799. YAKATAGA EG 1984.08.02-08:02:06.696 -0.002 mm 0.376 mm 0.412 mm 800. YAKATAGA NG 1984.08.02-16:02:06.696 -0.018 mm 0.422 mm 0.462 mm 801. YAKATAGA EG 1984.08.02-16:02:06.696 -0.002 mm 0.422 mm 0.462 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 23.65 ps/h NRMS 0.47 share 0.76 count 145 2. SOURDOGH Input 50.00 ps/h RMS 17.15 ps/h NRMS 0.34 share 0.81 count 145 3. VNDNBERG Input 50.00 ps/h RMS 19.41 ps/h NRMS 0.39 share 0.88 count 145 4. YAKATAGA Input 50.00 ps/h RMS 9.77 ps/h NRMS 0.20 share 0.92 count 145 Overall RMS 18.21 ps/h NRMS 0.36 share 0.84 count 580 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.49 count 14 2. SOURDOGH Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.49 count 14 3. VNDNBERG Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.50 count 14 4. YAKATAGA Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.50 count 14 Overall RMS 0.11 mm/d NRMS 0.05 share 0.49 count 56 Clock Constraint Statistics 2. SOURDOGH Input 5.00 D-14 RMS 2.18 D-14 NRMS 0.44 share 0.18 count 49 3. VNDNBERG Input 5.00 D-14 RMS 2.64 D-14 NRMS 0.53 share 0.41 count 49 4. YAKATAGA Input 5.00 D-14 RMS 2.26 D-14 NRMS 0.45 share 0.35 count 49 Overall RMS 2.37 D-14 NRMS 0.47 share 0.32 count 147 802. UT1-TAI 1, 1984.08.01-15:59:00.000 -1.6259 ms/d 2.56 micros/d 32.19 micros/d 35.26 micros/d EOP epoch (TDT) MJD: 45913.666345 NUT epoch (TDT) MJD: 45913.624331 803. Nutation DPSI wrt apriori model 1984.08.01-15:59:13.416 2.949 mas 1475.4 microasec 1616.0 microasec Nutation Dx wrt apriori model 1984.08.01-15:59:13.416 1.175 mas 585.2 microasec 641.0 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.01-15:59:13.416 -2.490 mas 1475.4 microasec 1616.0 microasec 804. Nutation DEPS wrt apriori model 1984.08.01-15:59:13.416 -0.428 mas 493.1 microasec 540.0 microasec Nutation Dy wrt apriori model 1984.08.01-15:59:13.416 -0.424 mas 495.1 microasec 542.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.01-15:59:13.416 -0.565 mas 493.1 microasec 540.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3273 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to SOURDOGH 7281 276378192.91 3.03 276378192.91 3.03 -126.86 1.72 -4.52 22.21 GILCREEK 7225 to VNDNBERG 7223 3775849682.66 17.32 3775849682.66 17.32 -132.63 4.75 77.16 42.99 GILCREEK 7225 to YAKATAGA 7277 603049057.96 6.77 603049057.96 6.77 -121.59 4.09 446.94 47.49 SOURDOGH 7281 to VNDNBERG 7223 3527017040.53 16.52 3527017040.53 16.52 6.70 4.92 78.77 45.88 SOURDOGH 7281 to YAKATAGA 7277 329299272.09 5.38 329299272.09 5.38 51.28 4.26 439.14 50.56 VNDNBERG 7223 to YAKATAGA 7277 3214772135.15 18.24 3214772135.15 18.24 -139.64 5.97 214.72 58.92 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:33 Correlator type: Unknown Experiment code: ia194 Mark-3 db_name: $84AUG01X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840801_a Ver 2 ia194 Matrix Condition Number = 1.533633497902532E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 18.2 1.7 841.3 0.8 56.8 3.6 RICHMOND MET 26.2 2.2 1019.5 1.2 54.2 3.1 WESTFORD MET 23.7 2.4 1007.2 1.3 16.6 2.0 WETTZELL MET 16.0 2.7 954.3 0.5 88.7 25.3 Run 26091-1746 443 Observation Pairs Available Session started on: 2445914.251500 1984.08.01 18:02:09.600 UTC Nominal duration: 87480.000 sec 01 00:18:00.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 358 53.007 ps 0.95 1.2981 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 374 Number of potentially good observations with QC 5-9: 374 Number of used observations: 358 ( 95.72%) Number of suppressed observations: 16 ( 4.28%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 63 67 34.156 0.90 19840801_a ia194 1984.08.02-06:11:09.6 BAS_STAT HRAS_085 WESTFORD 73 77 57.796 0.98 19840801_a ia194 1984.08.02-06:11:09.6 BAS_STAT HRAS_085 WETTZELL 46 46 51.073 0.88 19840801_a ia194 1984.08.02-06:11:09.6 BAS_STAT RICHMOND WESTFORD 58 62 75.315 0.91 19840801_a ia194 1984.08.02-06:11:09.6 BAS_STAT RICHMOND WETTZELL 35 36 168.060 1.01 19840801_a ia194 1984.08.02-06:11:09.6 BAS_STAT WESTFORD WETTZELL 83 86 55.058 0.99 19840801_a ia194 1984.08.02-06:11:09.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 15 17 47.770 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 0212+735 J0217+7349 31 31 45 81.131 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 0229+131 J0231+1322 23 24 24 35.196 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 0528+134 J0530+1331 34 36 37 51.674 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 0552+398 J0555+3948 30 30 30 45.518 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 1803+784 J1800+7828 29 29 29 52.584 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 2134+00 J2136+0041 33 33 33 57.028 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 3C273B J1229+0203 20 21 23 31.271 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 3C345 J1642+3948 31 33 38 33.172 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 3C454.3 J2253+1608 26 29 29 51.236 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: 4C39.25 J0927+3902 27 30 35 72.663 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: OJ287 J0854+2006 6 9 38 74.900 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: OQ208 J1407+2827 31 31 32 100.110 19840801_a ia194 1984.08.02-06:11:09.600 SRC_STAT: VR422201 J2202+4216 22 23 33 101.496 19840801_a ia194 1984.08.02-06:11:09.600 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.02-06:10:37 1. HRAS_085 7216 NOAM X Comp -1324211053.45 mm -36.447 mm 8.209 mm 9.353 mm 2. HRAS_085 7216 NOAM Y Comp -5332023111.77 mm -29.773 mm 24.217 mm 27.592 mm 3. HRAS_085 7216 NOAM Z Comp 3232118506.78 mm 199.780 mm 16.815 mm 19.158 mm HRAS_085 7216 U Comp 134.23 mm 134.227 mm 28.792 mm 27.350 mm HRAS_085 7216 E Comp -28.20 mm -28.196 mm 7.036 mm 6.683 mm HRAS_085 7216 N Comp 152.69 mm 152.693 mm 7.621 mm 7.239 mm 4. HRAS_085 CL 0 1984.08.01-18:01:37.416 21068.179 ns 0.205 ns 0.234 ns 5. HRAS_085 CL 1 1984.08.01-18:01:37.416 101.936 D-14 2.103 D-14 2.396 D-14 6. HRAS_085 CL 2 1984.08.01-18:01:37.416 3.290 D-14/day 1.820 D-14/day 2.073 D-14/day 32. HRAS_085 AT 0 1984.08.01-18:01:37.416 -110.981 ps 74.653 ps 85.057 ps HRAS_085 Atm 1984.08.02-06:32:09.600 Avg: -73.721 ps Rms: 16.347 ps Tot_Rms: 75.512 ps || Nat: 97 Dura: 87480.0 sec Tzd_avg: 7028.5 Tzd_rms: 3.0 Wzd_avg: 658.1 Wzd_rms: 8.3 ps Prs_avg: 84127. Pa Tem_avg: 18.2 C Stm_avg: -3.4 C Stm_rms: 1.5 K Spr_avg: 65. Spr_rms: 23. Pa 108. HRAS_085 NG 1984.08.01-18:00:37.416 0.002 mm 0.422 mm 0.481 mm 109. HRAS_085 EG 1984.08.01-18:00:37.416 0.031 mm 0.422 mm 0.481 mm 110. HRAS_085 NG 1984.08.02-02:00:37.416 -0.001 mm 0.377 mm 0.429 mm 111. HRAS_085 EG 1984.08.02-02:00:37.416 0.002 mm 0.377 mm 0.429 mm 112. HRAS_085 NG 1984.08.02-10:00:37.416 -0.019 mm 0.377 mm 0.429 mm 113. HRAS_085 EG 1984.08.02-10:00:37.416 -0.038 mm 0.377 mm 0.429 mm 114. HRAS_085 NG 1984.08.02-18:00:37.416 -0.049 mm 0.422 mm 0.481 mm 115. HRAS_085 EG 1984.08.02-18:00:37.416 -0.002 mm 0.422 mm 0.481 mm 116. RICHMOND 7219 NOAM X Comp 961257973.33 mm -45.668 mm 7.337 mm 8.360 mm 117. RICHMOND 7219 NOAM Y Comp -5674089950.58 mm 99.425 mm 25.887 mm 29.495 mm 118. RICHMOND 7219 NOAM Z Comp 2740533811.24 mm 13.235 mm 15.775 mm 17.974 mm RICHMOND 7219 U Comp -89.55 mm -89.551 mm 29.454 mm 27.978 mm RICHMOND 7219 E Comp -28.42 mm -28.419 mm 6.747 mm 6.409 mm RICHMOND 7219 N Comp 57.61 mm 57.610 mm 7.730 mm 7.343 mm 119. RICHMOND CL 0 1984.08.01-18:01:37.416 18141.353 ns 0.190 ns 0.217 ns 120. RICHMOND CL 1 1984.08.01-18:01:37.416 -311.709 D-14 2.098 D-14 2.391 D-14 121. RICHMOND CL 2 1984.08.01-18:01:37.416 -0.760 D-14/day 1.821 D-14/day 2.074 D-14/day 147. RICHMOND AT 0 1984.08.01-18:01:37.416 11.381 ps 62.640 ps 71.370 ps RICHMOND Atm 1984.08.02-06:32:09.600 Avg: -11.788 ps Rms: 52.875 ps Tot_Rms: 54.173 ps || Nat: 89 Dura: 87480.0 sec Tzd_avg: 8607.3 Tzd_rms: 101.3 Wzd_avg: 889.6 Wzd_rms: 110.9 ps Prs_avg: 101948. Pa Tem_avg: 26.3 C Stm_avg: -2.0 C Stm_rms: 1.9 K Spr_avg: 42. Spr_rms: 87. Pa 223. RICHMOND NG 1984.08.01-18:00:37.416 0.006 mm 0.422 mm 0.481 mm 224. RICHMOND EG 1984.08.01-18:00:37.416 -0.057 mm 0.422 mm 0.481 mm 225. RICHMOND NG 1984.08.02-02:00:37.416 -0.009 mm 0.377 mm 0.429 mm 226. RICHMOND EG 1984.08.02-02:00:37.416 -0.027 mm 0.376 mm 0.429 mm 227. RICHMOND NG 1984.08.02-10:00:37.416 -0.009 mm 0.377 mm 0.429 mm 228. RICHMOND EG 1984.08.02-10:00:37.416 0.019 mm 0.377 mm 0.429 mm 229. RICHMOND NG 1984.08.02-18:00:37.416 0.008 mm 0.422 mm 0.481 mm 230. RICHMOND EG 1984.08.02-18:00:37.416 0.004 mm 0.422 mm 0.480 mm 231. WESTFORD 7209 NOAM X Comp 1492206583.51 mm 40.513 mm 6.947 mm 7.915 mm 232. WESTFORD 7209 NOAM Y Comp -4458130376.88 mm 145.120 mm 15.619 mm 17.796 mm 233. WESTFORD 7209 NOAM Z Comp 4296015499.75 mm -47.251 mm 14.194 mm 16.172 mm WESTFORD 7209 U Comp -123.81 mm -123.805 mm 20.481 mm 19.455 mm WESTFORD 7209 E Comp 84.48 mm 84.480 mm 6.750 mm 6.412 mm WESTFORD 7209 N Comp 49.69 mm 49.692 mm 5.354 mm 5.085 mm 234. WESTFORD AT 0 1984.08.01-18:01:37.416 8.094 ps 40.311 ps 45.929 ps WESTFORD Atm 1984.08.02-06:32:09.600 Avg: 5.737 ps Rms: 44.579 ps Tot_Rms: 44.947 ps || Nat: 137 Dura: 86192.0 sec Tzd_avg: 8380.9 Tzd_rms: 79.9 Wzd_avg: 773.2 Wzd_rms: 75.5 ps Prs_avg: 100705. Pa Tem_avg: 23.8 C Stm_avg: 1.2 C Stm_rms: 1.0 K Spr_avg: 162. Spr_rms: 27. Pa 310. WESTFORD NG 1984.08.01-18:00:37.416 -0.007 mm 0.422 mm 0.481 mm 311. WESTFORD EG 1984.08.01-18:00:37.416 0.037 mm 0.422 mm 0.480 mm 312. WESTFORD NG 1984.08.02-02:00:37.416 -0.011 mm 0.377 mm 0.429 mm 313. WESTFORD EG 1984.08.02-02:00:37.416 0.044 mm 0.376 mm 0.429 mm 314. WESTFORD NG 1984.08.02-10:00:37.416 -0.003 mm 0.377 mm 0.429 mm 315. WESTFORD EG 1984.08.02-10:00:37.416 0.012 mm 0.376 mm 0.429 mm 316. WESTFORD NG 1984.08.02-18:00:37.416 0.043 mm 0.422 mm 0.481 mm 317. WESTFORD EG 1984.08.02-18:00:37.416 0.016 mm 0.421 mm 0.480 mm 318. WETTZELL 7224 EURA X Comp 4075539882.60 mm 41.602 mm 15.955 mm 18.178 mm 319. WETTZELL 7224 EURA Y Comp 931735099.23 mm -214.772 mm 13.667 mm 15.571 mm 320. WETTZELL 7224 EURA Z Comp 4801629227.24 mm -165.765 mm 21.000 mm 23.927 mm WETTZELL 7224 U Comp -130.16 mm -130.161 mm 24.825 mm 23.581 mm WETTZELL 7224 E Comp -218.64 mm -218.642 mm 13.613 mm 12.931 mm WETTZELL 7224 N Comp -102.91 mm -102.905 mm 8.985 mm 8.535 mm 321. WETTZELL CL 0 1984.08.01-18:01:37.416 9027.189 ns 0.185 ns 0.211 ns 322. WETTZELL CL 1 1984.08.01-18:01:37.416 -360.685 D-14 2.145 D-14 2.444 D-14 323. WETTZELL CL 2 1984.08.01-18:01:37.416 -0.212 D-14/day 1.885 D-14/day 2.148 D-14/day 349. WETTZELL AT 0 1984.08.01-18:01:37.416 64.065 ps 48.613 ps 55.388 ps WETTZELL Atm 1984.08.02-06:32:09.600 Avg: 20.641 ps Rms: 37.800 ps Tot_Rms: 43.069 ps || Nat: 98 Dura: 84932.0 sec Tzd_avg: 7650.5 Tzd_rms: 43.3 Wzd_avg: 459.7 Wzd_rms: 44.1 ps Prs_avg: 95428. Pa Tem_avg: 15.9 C Stm_avg: -0.3 C Stm_rms: 0.7 K Spr_avg: 482. Spr_rms: 25. Pa 425. WETTZELL NG 1984.08.01-18:00:37.416 0.009 mm 0.422 mm 0.481 mm 426. WETTZELL EG 1984.08.01-18:00:37.416 -0.006 mm 0.422 mm 0.481 mm 427. WETTZELL NG 1984.08.02-02:00:37.416 0.020 mm 0.377 mm 0.429 mm 428. WETTZELL EG 1984.08.02-02:00:37.416 -0.002 mm 0.377 mm 0.430 mm 429. WETTZELL NG 1984.08.02-10:00:37.416 -0.002 mm 0.377 mm 0.429 mm 430. WETTZELL EG 1984.08.02-10:00:37.416 -0.012 mm 0.377 mm 0.430 mm 431. WETTZELL NG 1984.08.02-18:00:37.416 -0.005 mm 0.422 mm 0.481 mm 432. WETTZELL EG 1984.08.02-18:00:37.416 -0.006 mm 0.422 mm 0.481 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.13 ps/h NRMS 0.26 share 0.90 count 76 2. RICHMOND Input 50.00 ps/h RMS 16.35 ps/h NRMS 0.33 share 0.92 count 76 3. WESTFORD Input 50.00 ps/h RMS 29.62 ps/h NRMS 0.59 share 0.84 count 76 4. WETTZELL Input 50.00 ps/h RMS 17.59 ps/h NRMS 0.35 share 0.86 count 76 Overall RMS 20.16 ps/h NRMS 0.40 share 0.88 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.94 D-14 NRMS 0.59 share 0.28 count 26 2. RICHMOND Input 5.00 D-14 RMS 3.07 D-14 NRMS 0.61 share 0.32 count 26 4. WETTZELL Input 5.00 D-14 RMS 2.89 D-14 NRMS 0.58 share 0.32 count 26 Overall RMS 2.97 D-14 NRMS 0.59 share 0.31 count 78 433. UT1-TAI 1, 1984.08.02-06:11:00.000 -1.6303 ms/d -43.57 micros/d 50.95 micros/d 58.05 micros/d EOP epoch (TDT) MJD: 45914.258011 NUT epoch (TDT) MJD: 45914.242619 434. Nutation DPSI wrt apriori model 1984.08.02-06:10:37.416 0.389 mas 929.9 microasec 1059.5 microasec Nutation Dx wrt apriori model 1984.08.02-06:10:37.416 0.156 mas 369.0 microasec 420.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.02-06:10:37.416 -5.288 mas 929.9 microasec 1059.5 microasec 435. Nutation DEPS wrt apriori model 1984.08.02-06:10:37.416 -0.353 mas 269.6 microasec 307.2 microasec Nutation Dy wrt apriori model 1984.08.02-06:10:37.416 -0.352 mas 270.9 microasec 308.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.02-06:10:37.416 -0.541 mas 269.6 microasec 307.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3980 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632833.82 9.22 2362632833.82 9.22 102.84 6.87 202.18 51.36 HRAS_085 7216 to WESTFORD 7209 3134928010.26 10.69 3134928010.26 10.69 115.67 5.40 288.09 40.36 HRAS_085 7216 to WETTZELL 7224 8417561463.92 30.66 8417561463.92 30.66 331.38 6.43 199.67 38.84 RICHMOND 7219 to WESTFORD 7209 2044501747.33 9.60 2044501747.33 9.60 101.31 6.06 53.83 40.69 RICHMOND 7219 to WETTZELL 7224 7588398428.71 27.95 7588398428.71 27.95 230.72 8.45 -56.27 42.06 WESTFORD 7209 to WETTZELL 7224 5998325268.45 18.64 5998325268.45 18.64 180.11 4.81 -17.42 36.51 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK KASHIMA KAUAI KWAJAL26 MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:36 Correlator type: Unknown Experiment code: wp842a Mark-3 db_name: $84AUG04X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840804_a Ver 2 wp842a Matrix Condition Number = 5.143272875706971E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KASHIMA : GION | | KAUAI : GION | | KWAJAL26: GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for KASHIMA is 5.0 Elevation cut for KAUAI is 5.0 Elevation cut for KWAJAL26 is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 14.0 1.3 979.6 0.5 89.5 0.8 KASHIMA MET 27.1 2.7 1007.3 0.8 76.9 8.4 KAUAI MET 18.2 3.3 891.8 0.6 90.8 0.3 KWAJAL26 MET 27.7 1.4 1008.6 0.7 79.4 3.2 MOJAVE12 MET 29.6 4.5 907.1 1.6 28.6 2.1 Run 26091-1746 1050 Observation Pairs Available Session started on: 2445916.763600 1984.08.04 06:19:35.040 UTC Nominal duration: 92897.280 sec 01 01:48:17.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 748 32.956 ps 1.14 1.8473 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 758 Number of potentially good observations with QC 5-9: 758 Number of used observations: 748 ( 98.68%) Number of suppressed observations: 10 ( 1.32%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK KASHIMA 110 110 62.906 1.35 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT GILCREEK KAUAI 90 91 18.762 0.99 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT GILCREEK KWAJAL26 83 85 82.110 1.20 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT GILCREEK MOJAVE12 85 85 16.577 0.99 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT KASHIMA KAUAI 84 87 38.010 1.26 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT KASHIMA KWAJAL26 94 94 46.501 0.99 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT KASHIMA MOJAVE12 79 82 35.286 1.24 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT KAUAI KWAJAL26 29 29 103.347 0.89 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT KAUAI MOJAVE12 71 72 49.334 1.08 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT KWAJAL26 MOJAVE12 23 23 147.392 1.05 19840804_a wp842a 1984.08.04-19:13:43.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 28 28 38 42.675 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 0229+131 J0231+1322 48 48 71 37.300 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 0234+285 J0237+2848 50 51 84 54.593 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 0552+398 J0555+3948 78 79 115 30.434 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 1548+056 J1550+0527 79 79 113 42.882 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 1803+784 J1800+7828 80 81 119 31.565 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 2145+067 J2148+0657 48 48 64 30.486 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 3C273B J1229+0203 67 71 95 24.917 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 3C345 J1642+3948 141 143 151 30.762 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 3C454.3 J2253+1608 57 57 76 25.832 19840804_a wp842a 1984.08.04-19:13:43.680 SRC_STAT: 4C39.25 J0927+3902 72 73 124 52.073 19840804_a wp842a 1984.08.04-19:13:43.680 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.04-19:13:11 1. GILCREEK 7225 NOAM X Comp -2281547141.73 mm 242.269 mm 8.326 mm 11.317 mm 2. GILCREEK 7225 NOAM Y Comp -1453644603.36 mm 510.643 mm 3.367 mm 4.576 mm 3. GILCREEK 7225 NOAM Z Comp 5756993392.92 mm 265.921 mm 9.199 mm 12.504 mm GILCREEK 7225 U Comp 38.49 mm 38.489 mm 11.083 mm 12.614 mm GILCREEK 7225 E Comp -300.48 mm -300.480 mm 4.917 mm 5.597 mm GILCREEK 7225 N Comp 546.26 mm 546.255 mm 4.276 mm 4.867 mm 4. GILCREEK CL 0 1984.08.04-06:19:02.856 4275.899 ns 0.080 ns 0.109 ns 5. GILCREEK CL 1 1984.08.04-06:19:02.856 -113.537 D-14 1.972 D-14 2.681 D-14 6. GILCREEK CL 2 1984.08.04-06:19:02.856 0.429 D-14/day 1.579 D-14/day 2.146 D-14/day 33. GILCREEK AT 0 1984.08.04-06:19:02.856 27.374 ps 25.817 ps 35.089 ps GILCREEK Atm 1984.08.04-19:19:35.040 Avg: -21.279 ps Rms: 40.872 ps Tot_Rms: 46.079 ps || Nat: 123 Dura: 92893.0 sec Tzd_avg: 7929.6 Tzd_rms: 97.1 Wzd_avg: 528.1 Wzd_rms: 104.2 ps Prs_avg: 97964. Pa Tem_avg: 14.0 C Stm_avg: 0.8 C Stm_rms: 0.7 K Spr_avg: 71. Spr_rms: 51. Pa 112. GILCREEK NG 1984.08.04-06:18:02.856 -0.127 mm 0.418 mm 0.568 mm 113. GILCREEK EG 1984.08.04-06:18:02.856 -0.071 mm 0.421 mm 0.572 mm 114. GILCREEK NG 1984.08.04-14:18:02.856 -0.021 mm 0.375 mm 0.510 mm 115. GILCREEK EG 1984.08.04-14:18:02.856 0.074 mm 0.376 mm 0.511 mm 116. GILCREEK NG 1984.08.04-22:18:02.856 0.063 mm 0.375 mm 0.510 mm 117. GILCREEK EG 1984.08.04-22:18:02.856 -0.051 mm 0.375 mm 0.510 mm 118. GILCREEK NG 1984.08.05-06:18:02.856 0.132 mm 0.416 mm 0.565 mm 119. GILCREEK EG 1984.08.05-06:18:02.856 -0.008 mm 0.420 mm 0.571 mm 120. KASHIMA 1856 NOAM X Comp -3997892332.46 mm -56.465 mm 9.709 mm 13.197 mm 121. KASHIMA 1856 NOAM Y Comp 3276581654.18 mm 352.181 mm 4.907 mm 6.670 mm 122. KASHIMA 1856 NOAM Z Comp 3724118467.18 mm 263.180 mm 8.238 mm 11.197 mm KASHIMA 1856 U Comp 370.59 mm 370.586 mm 12.100 mm 13.772 mm KASHIMA 1856 E Comp -236.59 mm -236.594 mm 5.042 mm 5.739 mm KASHIMA 1856 N Comp 56.33 mm 56.326 mm 3.794 mm 4.318 mm 123. KASHIMA CL 0 1984.08.04-06:19:02.856 4519.005 ns 0.120 ns 0.164 ns 124. KASHIMA CL 1 1984.08.04-06:19:02.856 285.902 D-14 1.998 D-14 2.715 D-14 125. KASHIMA CL 2 1984.08.04-06:19:02.856 3.624 D-14/day 1.599 D-14/day 2.174 D-14/day 152. KASHIMA AT 0 1984.08.04-06:19:02.856 53.783 ps 48.999 ps 66.597 ps KASHIMA Atm 1984.08.04-19:19:35.040 Avg: 67.411 ps Rms: 56.767 ps Tot_Rms: 88.129 ps || Nat: 119 Dura: 92893.0 sec Tzd_avg: 8429.0 Tzd_rms: 61.5 Wzd_avg: 805.1 Wzd_rms: 63.6 ps Prs_avg: 100732. Pa Tem_avg: 27.1 C Stm_avg: -1.9 C Stm_rms: 1.9 K Spr_avg: 20. Spr_rms: 18. Pa 231. KASHIMA NG 1984.08.04-06:18:02.856 0.095 mm 0.421 mm 0.572 mm 232. KASHIMA EG 1984.08.04-06:18:02.856 -0.021 mm 0.422 mm 0.573 mm 233. KASHIMA NG 1984.08.04-14:18:02.856 -0.138 mm 0.376 mm 0.511 mm 234. KASHIMA EG 1984.08.04-14:18:02.856 0.051 mm 0.376 mm 0.511 mm 235. KASHIMA NG 1984.08.04-22:18:02.856 -0.065 mm 0.376 mm 0.511 mm 236. KASHIMA EG 1984.08.04-22:18:02.856 0.008 mm 0.376 mm 0.511 mm 237. KASHIMA NG 1984.08.05-06:18:02.856 -0.042 mm 0.420 mm 0.571 mm 238. KASHIMA EG 1984.08.05-06:18:02.856 -0.001 mm 0.421 mm 0.572 mm 239. KAUAI 1311 PCFC X Comp -5543846030.60 mm 61.403 mm 12.389 mm 16.839 mm 240. KAUAI 1311 PCFC Y Comp -2054563978.38 mm -528.380 mm 4.575 mm 6.218 mm 241. KAUAI 1311 PCFC Z Comp 2387813829.47 mm -378.528 mm 6.891 mm 9.366 mm KAUAI 1311 U Comp -25.82 mm -25.815 mm 13.919 mm 15.842 mm KAUAI 1311 E Comp 516.79 mm 516.788 mm 4.114 mm 4.682 mm KAUAI 1311 N Comp -398.12 mm -398.124 mm 3.356 mm 3.819 mm 242. KAUAI CL 0 1984.08.04-06:19:02.856 726.735 ns 0.105 ns 0.143 ns 243. KAUAI CL 1 1984.08.04-06:19:02.856 101.595 D-14 1.980 D-14 2.691 D-14 244. KAUAI CL 2 1984.08.04-06:19:02.856 1.922 D-14/day 1.589 D-14/day 2.160 D-14/day 271. KAUAI AT 0 1984.08.04-06:19:02.856 6.993 ps 38.115 ps 51.805 ps KAUAI Atm 1984.08.04-19:19:35.040 Avg: 21.771 ps Rms: 51.962 ps Tot_Rms: 56.339 ps || Nat: 118 Dura: 92893.0 sec Tzd_avg: 7117.3 Tzd_rms: 37.2 Wzd_avg: 344.1 Wzd_rms: 40.3 ps Prs_avg: 89176. Pa Tem_avg: 18.3 C Stm_avg: 1.5 C Stm_rms: 3.2 K Spr_avg: 0. Spr_rms: 54. Pa 350. KAUAI NG 1984.08.04-06:18:02.856 -0.106 mm 0.420 mm 0.571 mm 351. KAUAI EG 1984.08.04-06:18:02.856 -0.077 mm 0.421 mm 0.572 mm 352. KAUAI NG 1984.08.04-14:18:02.856 0.110 mm 0.375 mm 0.510 mm 353. KAUAI EG 1984.08.04-14:18:02.856 -0.165 mm 0.375 mm 0.509 mm 354. KAUAI NG 1984.08.04-22:18:02.856 0.036 mm 0.376 mm 0.511 mm 355. KAUAI EG 1984.08.04-22:18:02.856 0.072 mm 0.376 mm 0.511 mm 356. KAUAI NG 1984.08.05-06:18:02.856 0.064 mm 0.418 mm 0.569 mm 357. KAUAI EG 1984.08.05-06:18:02.856 0.151 mm 0.420 mm 0.571 mm 358. KWAJAL26 4968 PCFC X Comp -6143536616.21 mm -332.214 mm 23.916 mm 32.506 mm 359. KWAJAL26 4968 PCFC Y Comp 1363997367.22 mm -640.784 mm 5.610 mm 7.625 mm 360. KWAJAL26 4968 PCFC Z Comp 1034707424.64 mm -359.355 mm 11.133 mm 15.131 mm KWAJAL26 4968 U Comp 124.26 mm 124.257 mm 25.190 mm 28.671 mm KWAJAL26 4968 E Comp 697.56 mm 697.557 mm 4.511 mm 5.135 mm KWAJAL26 4968 N Comp -384.81 mm -384.813 mm 8.515 mm 9.691 mm 361. KWAJAL26 CL 0 1984.08.04-06:19:02.856 -29003.194 ns 0.148 ns 0.201 ns 362. KWAJAL26 CL 1 1984.08.04-06:19:02.856 -253.878 D-14 1.994 D-14 2.710 D-14 363. KWAJAL26 CL 2 1984.08.04-06:19:02.856 -5.028 D-14/day 1.602 D-14/day 2.177 D-14/day 390. KWAJAL26 AT 0 1984.08.04-06:19:02.856 -29.917 ps 38.569 ps 52.421 ps KWAJAL26 Atm 1984.08.04-19:19:35.040 Avg: 17.964 ps Rms: 41.561 ps Tot_Rms: 45.277 ps || Nat: 124 Dura: 92893.0 sec Tzd_avg: 8751.7 Tzd_rms: 16.8 Wzd_avg: 1131.5 Wzd_rms: 16.9 ps Prs_avg: 100858. Pa Tem_avg: 27.7 C Stm_avg: 1.1 C Stm_rms: 1.5 K Spr_avg: 219. Spr_rms: 66. Pa 469. KWAJAL26 NG 1984.08.04-06:18:02.856 -0.002 mm 0.422 mm 0.574 mm 470. KWAJAL26 EG 1984.08.04-06:18:02.856 0.015 mm 0.422 mm 0.574 mm 471. KWAJAL26 NG 1984.08.04-14:18:02.856 -0.003 mm 0.377 mm 0.512 mm 472. KWAJAL26 EG 1984.08.04-14:18:02.856 -0.001 mm 0.377 mm 0.512 mm 473. KWAJAL26 NG 1984.08.04-22:18:02.856 -0.012 mm 0.377 mm 0.512 mm 474. KWAJAL26 EG 1984.08.04-22:18:02.856 -0.020 mm 0.377 mm 0.512 mm 475. KWAJAL26 NG 1984.08.05-06:18:02.856 0.003 mm 0.422 mm 0.574 mm 476. KWAJAL26 EG 1984.08.05-06:18:02.856 -0.012 mm 0.421 mm 0.572 mm 477. MOJAVE12 7222 NOAM X Comp -2356171010.99 mm 85.007 mm 8.569 mm 11.646 mm 478. MOJAVE12 7222 NOAM Y Comp -4646755525.66 mm 306.341 mm 6.867 mm 9.333 mm 479. MOJAVE12 7222 NOAM Z Comp 3668470789.78 mm 208.782 mm 7.443 mm 10.116 mm MOJAVE12 7222 U Comp -133.52 mm -133.523 mm 10.545 mm 12.003 mm MOJAVE12 7222 E Comp -62.72 mm -62.723 mm 7.168 mm 8.159 mm MOJAVE12 7222 N Comp 350.57 mm 350.568 mm 3.658 mm 4.164 mm 480. MOJAVE12 AT 0 1984.08.04-06:19:02.856 -41.501 ps 28.797 ps 39.140 ps MOJAVE12 Atm 1984.08.04-19:19:35.040 Avg: -41.490 ps Rms: 29.922 ps Tot_Rms: 51.154 ps || Nat: 93 Dura: 92893.0 sec Tzd_avg: 7180.0 Tzd_rms: 16.9 Wzd_avg: 311.5 Wzd_rms: 24.5 ps Prs_avg: 90711. Pa Tem_avg: 29.7 C Stm_avg: 0.9 C Stm_rms: 1.4 K Spr_avg: 196. Spr_rms: 82. Pa 559. MOJAVE12 NG 1984.08.04-06:18:02.856 0.017 mm 0.421 mm 0.572 mm 560. MOJAVE12 EG 1984.08.04-06:18:02.856 0.117 mm 0.422 mm 0.573 mm 561. MOJAVE12 NG 1984.08.04-14:18:02.856 0.008 mm 0.376 mm 0.510 mm 562. MOJAVE12 EG 1984.08.04-14:18:02.856 0.075 mm 0.376 mm 0.511 mm 563. MOJAVE12 NG 1984.08.04-22:18:02.856 0.008 mm 0.376 mm 0.511 mm 564. MOJAVE12 EG 1984.08.04-22:18:02.856 0.019 mm 0.376 mm 0.511 mm 565. MOJAVE12 NG 1984.08.05-06:18:02.856 -0.044 mm 0.420 mm 0.571 mm 566. MOJAVE12 EG 1984.08.05-06:18:02.856 -0.129 mm 0.421 mm 0.572 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 42.25 ps/h NRMS 0.84 share 0.61 count 79 2. KASHIMA Input 50.00 ps/h RMS 41.31 ps/h NRMS 0.83 share 0.69 count 79 3. KAUAI Input 50.00 ps/h RMS 36.99 ps/h NRMS 0.74 share 0.76 count 79 4. KWAJAL26 Input 50.00 ps/h RMS 20.21 ps/h NRMS 0.40 share 0.85 count 79 5. MOJAVE12 Input 50.00 ps/h RMS 31.40 ps/h NRMS 0.63 share 0.66 count 79 Overall RMS 35.37 ps/h NRMS 0.71 share 0.72 count 395 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.30 mm/d NRMS 0.15 share 0.53 count 8 2. KASHIMA Input 2.00 mm/d RMS 0.32 mm/d NRMS 0.16 share 0.53 count 8 3. KAUAI Input 2.00 mm/d RMS 0.43 mm/d NRMS 0.22 share 0.53 count 8 4. KWAJAL26 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 5. MOJAVE12 Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.11 share 0.53 count 8 Overall RMS 0.29 mm/d NRMS 0.15 share 0.53 count 40 Clock Constraint Statistics 1. GILCREEK Input 5.00 D-14 RMS 4.13 D-14 NRMS 0.83 share 0.15 count 27 2. KASHIMA Input 5.00 D-14 RMS 3.91 D-14 NRMS 0.78 share 0.17 count 27 3. KAUAI Input 5.00 D-14 RMS 2.55 D-14 NRMS 0.51 share 0.18 count 27 4. KWAJAL26 Input 5.00 D-14 RMS 2.70 D-14 NRMS 0.54 share 0.25 count 27 Overall RMS 3.39 D-14 NRMS 0.68 share 0.19 count 108 567. UT1-TAI 1, 1984.08.04-19:13:00.000 -0.9945 ms/d 19.24 micros/d 19.81 micros/d 26.92 micros/d EOP epoch (TDT) MJD: 45916.801067 NUT epoch (TDT) MJD: 45916.794405 568. Nutation DPSI wrt apriori model 1984.08.04-19:13:11.496 0.818 mas 363.7 microasec 494.4 microasec Nutation Dx wrt apriori model 1984.08.04-19:13:11.496 0.326 mas 144.3 microasec 196.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.04-19:13:11.496 -5.316 mas 363.7 microasec 494.4 microasec 569. Nutation DEPS wrt apriori model 1984.08.04-19:13:11.496 -0.222 mas 125.1 microasec 170.1 microasec Nutation Dy wrt apriori model 1984.08.04-19:13:11.496 -0.221 mas 125.6 microasec 170.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.04-19:13:11.496 -0.279 mas 125.1 microasec 170.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.9258 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.04 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to KASHIMA 1856 5427104359.14 6.32 5427104359.14 6.32 -306.84 3.77 -135.63 18.24 GILCREEK 7225 to KAUAI 1311 4728114747.59 6.34 4728114747.59 6.34 -1007.22 2.62 18.44 18.33 GILCREEK 7225 to KWAJAL26 4968 6719676609.89 14.81 6719676609.89 14.81 -1400.18 4.73 -63.53 32.08 GILCREEK 7225 to MOJAVE12 7222 3816209211.75 5.18 3816209211.75 5.18 117.23 3.58 -117.68 14.94 KASHIMA 1856 to KAUAI 1311 5709360443.79 7.76 5709360443.79 7.76 163.81 3.73 538.22 18.97 KASHIMA 1856 to KWAJAL26 4968 3936330753.74 9.96 3936330753.74 9.96 -416.50 8.24 395.62 32.12 KASHIMA 1856 to MOJAVE12 7222 8091824122.34 10.07 8091824122.34 10.07 -61.47 3.78 125.80 16.50 KAUAI 1311 to KWAJAL26 4968 3725196292.13 9.00 3725196292.13 9.00 -120.42 9.01 -388.91 34.52 KAUAI 1311 to MOJAVE12 7222 4303581217.82 6.27 4303581217.82 6.27 -954.66 4.63 185.61 18.83 KWAJAL26 4968 to MOJAVE12 7222 7576938565.83 17.22 7576938565.83 17.22 -1059.95 8.74 388.80 30.29 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK KASHIMA KAUAI KWAJAL26 MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:39 Correlator type: Unknown Experiment code: wp842b Mark-3 db_name: $84AUG05X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840805_a Ver 2 wp842b Matrix Condition Number = 6.854925740002489E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | KASHIMA : GION | | KAUAI : GION | | KWAJAL26: GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for KASHIMA is 5.0 Elevation cut for KAUAI is 5.0 Elevation cut for KWAJAL26 is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 12.9 1.9 977.9 0.3 97.3 2.0 KASHIMA MET 26.2 3.0 1006.2 0.7 84.4 7.4 KAUAI MET 18.0 3.7 892.1 0.6 89.6 3.8 KWAJAL26 MET 27.6 1.4 1008.9 0.7 89.3 2.1 MOJAVE12 MET 28.3 5.1 907.9 1.3 41.4 1.9 Run 26091-1746 1051 Observation Pairs Available Session started on: 2445918.006000 1984.08.05 12:08:38.400 UTC Nominal duration: 93000.960 sec 01 01:50:00.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 677 33.950 ps 1.32 2.5708 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 693 Number of potentially good observations with QC 5-9: 693 Number of used observations: 677 ( 97.69%) Number of suppressed observations: 16 ( 2.31%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK KASHIMA 91 91 31.773 2.04 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT GILCREEK KAUAI 85 85 21.151 1.05 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT GILCREEK KWAJAL26 72 74 113.097 1.22 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT GILCREEK MOJAVE12 75 76 14.435 0.84 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT KASHIMA KAUAI 78 83 49.976 1.47 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT KASHIMA KWAJAL26 93 93 62.387 1.12 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT KASHIMA MOJAVE12 65 68 49.973 1.46 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT KAUAI KWAJAL26 29 32 124.961 1.04 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT KAUAI MOJAVE12 72 72 61.144 1.03 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT KWAJAL26 MOJAVE12 17 19 117.152 0.78 19840805_a wp842b 1984.08.06-01:03:38.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 35 35 52 50.190 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 0229+131 J0231+1322 44 45 70 35.244 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 0234+285 J0237+2848 53 55 94 35.829 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 0552+398 J0555+3948 69 72 113 26.445 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 1548+056 J1550+0527 48 48 80 44.807 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 1803+784 J1800+7828 75 75 106 35.614 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 2145+067 J2148+0657 58 58 85 33.041 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 3C273B J1229+0203 63 69 106 21.359 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 3C345 J1642+3948 102 105 124 40.245 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 3C454.3 J2253+1608 67 67 98 26.312 19840805_a wp842b 1984.08.06-01:03:38.880 SRC_STAT: 4C39.25 J0927+3902 63 64 123 44.797 19840805_a wp842b 1984.08.06-01:03:38.880 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.06-01:03:06 1. GILCREEK 7225 NOAM X Comp -2281547119.45 mm 264.547 mm 8.057 mm 12.919 mm 2. GILCREEK 7225 NOAM Y Comp -1453644600.10 mm 513.897 mm 3.115 mm 4.994 mm 3. GILCREEK 7225 NOAM Z Comp 5756993377.65 mm 250.652 mm 7.709 mm 12.360 mm GILCREEK 7225 U Comp 15.97 mm 15.967 mm 9.381 mm 12.348 mm GILCREEK 7225 E Comp -291.25 mm -291.253 mm 5.161 mm 6.792 mm GILCREEK 7225 N Comp 558.41 mm 558.406 mm 4.406 mm 5.799 mm 4. GILCREEK CL 0 1984.08.05-12:08:06.216 4354.279 ns 0.090 ns 0.144 ns 5. GILCREEK CL 1 1984.08.05-12:08:06.216 -115.466 D-14 1.981 D-14 3.176 D-14 6. GILCREEK CL 2 1984.08.05-12:08:06.216 0.176 D-14/day 1.592 D-14/day 2.553 D-14/day 33. GILCREEK AT 0 1984.08.05-12:08:06.216 99.201 ps 27.027 ps 43.335 ps GILCREEK Atm 1984.08.06-01:08:38.400 Avg: 22.038 ps Rms: 38.109 ps Tot_Rms: 44.023 ps || Nat: 124 Dura: 93000.0 sec Tzd_avg: 7791.5 Tzd_rms: 71.9 Wzd_avg: 398.7 Wzd_rms: 73.9 ps Prs_avg: 97786. Pa Tem_avg: 13.0 C Stm_avg: -0.0 C Stm_rms: 1.2 K Spr_avg: 63. Spr_rms: 26. Pa 112. GILCREEK NG 1984.08.05-12:07:06.216 -0.027 mm 0.418 mm 0.671 mm 113. GILCREEK EG 1984.08.05-12:07:06.216 0.087 mm 0.421 mm 0.675 mm 114. GILCREEK NG 1984.08.05-20:07:06.216 0.110 mm 0.375 mm 0.602 mm 115. GILCREEK EG 1984.08.05-20:07:06.216 -0.025 mm 0.376 mm 0.602 mm 116. GILCREEK NG 1984.08.06-04:07:06.216 0.143 mm 0.374 mm 0.600 mm 117. GILCREEK EG 1984.08.06-04:07:06.216 -0.103 mm 0.376 mm 0.603 mm 118. GILCREEK NG 1984.08.06-12:07:06.216 -0.036 mm 0.418 mm 0.670 mm 119. GILCREEK EG 1984.08.06-12:07:06.216 -0.039 mm 0.420 mm 0.674 mm 120. KASHIMA 1856 NOAM X Comp -3997892308.64 mm -32.637 mm 9.473 mm 15.188 mm 121. KASHIMA 1856 NOAM Y Comp 3276581639.27 mm 337.274 mm 4.301 mm 6.896 mm 122. KASHIMA 1856 NOAM Z Comp 3724118449.51 mm 245.513 mm 7.470 mm 11.978 mm KASHIMA 1856 U Comp 337.65 mm 337.646 mm 11.111 mm 14.624 mm KASHIMA 1856 E Comp -240.17 mm -240.169 mm 5.157 mm 6.788 mm KASHIMA 1856 N Comp 58.39 mm 58.393 mm 3.742 mm 4.925 mm 123. KASHIMA CL 0 1984.08.05-12:08:06.216 4830.898 ns 0.096 ns 0.154 ns 124. KASHIMA CL 1 1984.08.05-12:08:06.216 292.343 D-14 1.997 D-14 3.201 D-14 125. KASHIMA CL 2 1984.08.05-12:08:06.216 5.408 D-14/day 1.622 D-14/day 2.601 D-14/day 152. KASHIMA AT 0 1984.08.05-12:08:06.216 35.069 ps 25.830 ps 41.414 ps KASHIMA Atm 1984.08.06-01:08:38.400 Avg: -12.697 ps Rms: 57.803 ps Tot_Rms: 59.181 ps || Nat: 115 Dura: 93000.0 sec Tzd_avg: 8543.0 Tzd_rms: 61.1 Wzd_avg: 932.5 Wzd_rms: 67.0 ps Prs_avg: 100625. Pa Tem_avg: 26.2 C Stm_avg: -2.4 C Stm_rms: 1.7 K Spr_avg: 31. Spr_rms: 19. Pa 231. KASHIMA NG 1984.08.05-12:07:06.216 -0.191 mm 0.421 mm 0.675 mm 232. KASHIMA EG 1984.08.05-12:07:06.216 -0.052 mm 0.421 mm 0.676 mm 233. KASHIMA NG 1984.08.05-20:07:06.216 -0.041 mm 0.376 mm 0.603 mm 234. KASHIMA EG 1984.08.05-20:07:06.216 0.053 mm 0.376 mm 0.603 mm 235. KASHIMA NG 1984.08.06-04:07:06.216 0.158 mm 0.376 mm 0.603 mm 236. KASHIMA EG 1984.08.06-04:07:06.216 0.143 mm 0.376 mm 0.602 mm 237. KASHIMA NG 1984.08.06-12:07:06.216 0.189 mm 0.421 mm 0.675 mm 238. KASHIMA EG 1984.08.06-12:07:06.216 -0.026 mm 0.421 mm 0.675 mm 239. KAUAI 1311 PCFC X Comp -5543846026.76 mm 65.241 mm 12.924 mm 20.722 mm 240. KAUAI 1311 PCFC Y Comp -2054563988.10 mm -538.104 mm 4.603 mm 7.379 mm 241. KAUAI 1311 PCFC Z Comp 2387813832.69 mm -375.306 mm 6.939 mm 11.125 mm KAUAI 1311 U Comp -24.81 mm -24.805 mm 14.304 mm 18.827 mm KAUAI 1311 E Comp 527.24 mm 527.240 mm 4.402 mm 5.795 mm KAUAI 1311 N Comp -395.06 mm -395.057 mm 3.520 mm 4.633 mm 242. KAUAI CL 0 1984.08.05-12:08:06.216 1038.406 ns 0.099 ns 0.159 ns 243. KAUAI CL 1 1984.08.05-12:08:06.216 105.527 D-14 1.976 D-14 3.168 D-14 244. KAUAI CL 2 1984.08.05-12:08:06.216 1.374 D-14/day 1.586 D-14/day 2.542 D-14/day 271. KAUAI AT 0 1984.08.05-12:08:06.216 -95.219 ps 17.215 ps 27.602 ps KAUAI Atm 1984.08.06-01:08:38.400 Avg: -7.226 ps Rms: 46.693 ps Tot_Rms: 47.248 ps || Nat: 123 Dura: 92340.0 sec Tzd_avg: 7123.8 Tzd_rms: 28.0 Wzd_avg: 348.6 Wzd_rms: 28.2 ps Prs_avg: 89207. Pa Tem_avg: 18.1 C Stm_avg: 1.3 C Stm_rms: 3.4 K Spr_avg: 3. Spr_rms: 49. Pa 350. KAUAI NG 1984.08.05-12:07:06.216 0.084 mm 0.420 mm 0.674 mm 351. KAUAI EG 1984.08.05-12:07:06.216 -0.051 mm 0.419 mm 0.672 mm 352. KAUAI NG 1984.08.05-20:07:06.216 -0.030 mm 0.376 mm 0.603 mm 353. KAUAI EG 1984.08.05-20:07:06.216 0.034 mm 0.376 mm 0.603 mm 354. KAUAI NG 1984.08.06-04:07:06.216 -0.102 mm 0.376 mm 0.603 mm 355. KAUAI EG 1984.08.06-04:07:06.216 0.063 mm 0.376 mm 0.603 mm 356. KAUAI NG 1984.08.06-12:07:06.216 -0.020 mm 0.420 mm 0.674 mm 357. KAUAI EG 1984.08.06-12:07:06.216 -0.009 mm 0.420 mm 0.673 mm 358. KWAJAL26 4968 PCFC X Comp -6143536686.39 mm -402.394 mm 26.152 mm 41.931 mm 359. KWAJAL26 4968 PCFC Y Comp 1363997380.00 mm -628.001 mm 6.261 mm 10.039 mm 360. KWAJAL26 4968 PCFC Z Comp 1034707454.67 mm -329.325 mm 12.692 mm 20.350 mm KWAJAL26 4968 U Comp 199.49 mm 199.487 mm 27.614 mm 36.347 mm KWAJAL26 4968 E Comp 700.29 mm 700.289 mm 4.795 mm 6.311 mm KWAJAL26 4968 N Comp -366.83 mm -366.827 mm 9.934 mm 13.075 mm 361. KWAJAL26 CL 0 1984.08.05-12:08:06.216 -29282.197 ns 0.156 ns 0.250 ns 362. KWAJAL26 CL 1 1984.08.05-12:08:06.216 -267.138 D-14 2.004 D-14 3.214 D-14 363. KWAJAL26 CL 2 1984.08.05-12:08:06.216 -4.657 D-14/day 1.623 D-14/day 2.602 D-14/day 390. KWAJAL26 AT 0 1984.08.05-12:08:06.216 -74.971 ps 43.419 ps 69.617 ps KWAJAL26 Atm 1984.08.06-01:08:38.400 Avg: -72.273 ps Rms: 34.615 ps Tot_Rms: 80.135 ps || Nat: 126 Dura: 93000.0 sec Tzd_avg: 8711.9 Tzd_rms: 37.5 Wzd_avg: 1085.0 Wzd_rms: 36.2 ps Prs_avg: 100889. Pa Tem_avg: 27.6 C Stm_avg: 0.5 C Stm_rms: 1.0 K Spr_avg: 182. Spr_rms: 52. Pa 469. KWAJAL26 NG 1984.08.05-12:07:06.216 0.018 mm 0.422 mm 0.677 mm 470. KWAJAL26 EG 1984.08.05-12:07:06.216 0.001 mm 0.421 mm 0.676 mm 471. KWAJAL26 NG 1984.08.05-20:07:06.216 0.025 mm 0.377 mm 0.604 mm 472. KWAJAL26 EG 1984.08.05-20:07:06.216 0.012 mm 0.377 mm 0.604 mm 473. KWAJAL26 NG 1984.08.06-04:07:06.216 -0.001 mm 0.377 mm 0.604 mm 474. KWAJAL26 EG 1984.08.06-04:07:06.216 -0.024 mm 0.376 mm 0.603 mm 475. KWAJAL26 NG 1984.08.06-12:07:06.216 -0.031 mm 0.422 mm 0.677 mm 476. KWAJAL26 EG 1984.08.06-12:07:06.216 0.041 mm 0.421 mm 0.676 mm 477. MOJAVE12 7222 NOAM X Comp -2356170990.76 mm 105.244 mm 9.453 mm 15.156 mm 478. MOJAVE12 7222 NOAM Y Comp -4646755517.07 mm 314.935 mm 7.857 mm 12.598 mm 479. MOJAVE12 7222 NOAM Z Comp 3668470789.47 mm 208.467 mm 8.791 mm 14.095 mm MOJAVE12 7222 U Comp -147.43 mm -147.426 mm 12.392 mm 16.311 mm MOJAVE12 7222 E Comp -48.56 mm -48.560 mm 7.728 mm 10.171 mm MOJAVE12 7222 N Comp 360.04 mm 360.036 mm 3.885 mm 5.113 mm 480. MOJAVE12 AT 0 1984.08.05-12:08:06.216 42.020 ps 34.767 ps 55.743 ps MOJAVE12 Atm 1984.08.06-01:08:38.400 Avg: 17.153 ps Rms: 36.510 ps Tot_Rms: 40.339 ps || Nat: 91 Dura: 92340.0 sec Tzd_avg: 7143.7 Tzd_rms: 15.9 Wzd_avg: 268.4 Wzd_rms: 15.2 ps Prs_avg: 90785. Pa Tem_avg: 28.4 C Stm_avg: -0.6 C Stm_rms: 2.6 K Spr_avg: 201. Spr_rms: 66. Pa 559. MOJAVE12 NG 1984.08.05-12:07:06.216 -0.062 mm 0.420 mm 0.673 mm 560. MOJAVE12 EG 1984.08.05-12:07:06.216 -0.055 mm 0.421 mm 0.675 mm 561. MOJAVE12 NG 1984.08.05-20:07:06.216 -0.030 mm 0.376 mm 0.603 mm 562. MOJAVE12 EG 1984.08.05-20:07:06.216 0.003 mm 0.376 mm 0.603 mm 563. MOJAVE12 NG 1984.08.06-04:07:06.216 0.012 mm 0.376 mm 0.603 mm 564. MOJAVE12 EG 1984.08.06-04:07:06.216 0.041 mm 0.377 mm 0.604 mm 565. MOJAVE12 NG 1984.08.06-12:07:06.216 -0.046 mm 0.420 mm 0.674 mm 566. MOJAVE12 EG 1984.08.06-12:07:06.216 -0.026 mm 0.421 mm 0.676 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 44.42 ps/h NRMS 0.89 share 0.58 count 79 2. KASHIMA Input 50.00 ps/h RMS 54.63 ps/h NRMS 1.09 share 0.68 count 79 3. KAUAI Input 50.00 ps/h RMS 29.75 ps/h NRMS 0.60 share 0.76 count 79 4. KWAJAL26 Input 50.00 ps/h RMS 13.86 ps/h NRMS 0.28 share 0.88 count 79 5. MOJAVE12 Input 50.00 ps/h RMS 33.30 ps/h NRMS 0.67 share 0.70 count 79 Overall RMS 37.80 ps/h NRMS 0.76 share 0.72 count 395 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.33 mm/d NRMS 0.17 share 0.53 count 8 2. KASHIMA Input 2.00 mm/d RMS 0.41 mm/d NRMS 0.20 share 0.53 count 8 3. KAUAI Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.53 count 8 4. KWAJAL26 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.54 count 8 5. MOJAVE12 Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.53 count 8 Overall RMS 0.27 mm/d NRMS 0.14 share 0.53 count 40 Clock Constraint Statistics 1. GILCREEK Input 5.00 D-14 RMS 2.98 D-14 NRMS 0.60 share 0.16 count 27 2. KASHIMA Input 5.00 D-14 RMS 3.85 D-14 NRMS 0.77 share 0.18 count 27 3. KAUAI Input 5.00 D-14 RMS 2.48 D-14 NRMS 0.50 share 0.17 count 27 4. KWAJAL26 Input 5.00 D-14 RMS 2.72 D-14 NRMS 0.54 share 0.28 count 27 Overall RMS 3.05 D-14 NRMS 0.61 share 0.20 count 108 567. UT1-TAI 1, 1984.08.06-01:03:00.000 -0.6737 ms/d 2.75 micros/d 16.84 micros/d 27.00 micros/d EOP epoch (TDT) MJD: 45918.044123 NUT epoch (TDT) MJD: 45918.059605 568. Nutation DPSI wrt apriori model 1984.08.06-01:03:06.696 1.110 mas 404.0 microasec 647.7 microasec Nutation Dx wrt apriori model 1984.08.06-01:03:06.696 0.442 mas 160.4 microasec 257.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.06-01:03:06.696 -5.275 mas 404.0 microasec 647.7 microasec 569. Nutation DEPS wrt apriori model 1984.08.06-01:03:06.696 -0.302 mas 99.9 microasec 160.1 microasec Nutation Dy wrt apriori model 1984.08.06-01:03:06.696 -0.301 mas 100.4 microasec 161.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.06-01:03:06.696 -0.277 mas 99.9 microasec 160.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 2.6972 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.06 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to KASHIMA 1856 5427104343.72 4.80 5427104343.72 4.80 -315.09 2.95 -129.96 15.23 GILCREEK 7225 to KAUAI 1311 4728114748.78 6.55 4728114748.78 6.55 -1011.77 2.94 -10.34 16.43 GILCREEK 7225 to KWAJAL26 4968 6719676635.19 16.15 6719676635.19 16.15 -1400.32 5.33 -163.79 33.77 GILCREEK 7225 to MOJAVE12 7222 3816209199.13 5.15 3816209199.13 5.15 115.68 4.06 -127.42 16.11 KASHIMA 1856 to KAUAI 1311 5709360439.47 7.31 5709360439.47 7.31 158.15 3.67 509.72 18.08 KASHIMA 1856 to KWAJAL26 4968 3936330758.94 10.72 3936330758.94 10.72 -430.74 9.35 287.69 34.89 KASHIMA 1856 to MOJAVE12 7222 8091824098.48 10.00 8091824098.48 10.00 -73.76 3.62 113.72 16.66 KAUAI 1311 to KWAJAL26 4968 3725196314.96 9.73 3725196314.96 9.73 -105.29 10.90 -466.07 37.48 KAUAI 1311 to MOJAVE12 7222 4303581217.88 7.17 4303581217.88 7.17 -964.49 5.12 208.42 20.44 KWAJAL26 4968 to MOJAVE12 7222 7576938603.80 19.24 7576938603.80 19.24 -1055.81 10.50 476.29 33.47 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:42 Correlator type: Unknown Experiment code: ia195 Mark-3 db_name: $84AUG06X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840806_a Ver 2 ia195 Matrix Condition Number = 1.472851627840550E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.5 1.5 840.8 0.6 82.4 15.4 RICHMOND MET 25.0 4.1 1017.2 0.6 49.3 6.2 WESTFORD MET 25.3 2.2 997.3 1.8 17.9 5.1 WETTZELL MET 14.7 1.8 951.8 0.8 61.5 18.4 Run 26091-1746 409 Observation Pairs Available Session started on: 2445919.252600 1984.08.06 18:03:44.640 UTC Nominal duration: 86184.000 sec 00 23:56:24.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 317 50.395 ps 0.96 1.3738 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 318 Number of potentially good observations with QC 5-9: 318 Number of used observations: 317 ( 99.69%) Number of suppressed observations: 1 ( 0.31%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 64 64 41.471 0.89 19840806_a ia195 1984.08.07-06:01:56.6 BAS_STAT HRAS_085 WESTFORD 68 69 49.366 1.01 19840806_a ia195 1984.08.07-06:01:56.6 BAS_STAT HRAS_085 WETTZELL 35 35 58.285 1.03 19840806_a ia195 1984.08.07-06:01:56.6 BAS_STAT RICHMOND WESTFORD 59 59 45.321 0.92 19840806_a ia195 1984.08.07-06:01:56.6 BAS_STAT RICHMOND WETTZELL 31 31 115.611 1.10 19840806_a ia195 1984.08.07-06:01:56.6 BAS_STAT WESTFORD WETTZELL 60 60 49.906 0.91 19840806_a ia195 1984.08.07-06:01:56.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 18 65.904 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 0212+735 J0217+7349 26 26 43 89.980 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 0229+131 J0231+1322 20 20 20 51.010 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 0528+134 J0530+1331 28 28 30 62.019 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 0552+398 J0555+3948 33 33 34 52.797 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 1803+784 J1800+7828 22 22 25 52.298 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 2134+00 J2136+0041 29 29 32 41.485 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 3C273B J1229+0203 18 18 23 27.832 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 3C345 J1642+3948 27 27 31 31.688 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 3C454.3 J2253+1608 26 26 26 50.339 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: 4C39.25 J0927+3902 27 27 39 53.982 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: OJ287 J0854+2006 3 4 36 116.922 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: OQ208 J1407+2827 21 21 26 92.927 19840806_a ia195 1984.08.07-06:01:56.640 SRC_STAT: VR422201 J2202+4216 20 20 26 66.185 19840806_a ia195 1984.08.07-06:01:56.640 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.07-06:01:24 1. HRAS_085 7216 NOAM X Comp -1324211053.31 mm -36.310 mm 9.275 mm 10.871 mm 2. HRAS_085 7216 NOAM Y Comp -5332023062.36 mm 19.645 mm 23.598 mm 27.659 mm 3. HRAS_085 7216 NOAM Z Comp 3232118456.16 mm 149.160 mm 17.027 mm 19.957 mm HRAS_085 7216 U Comp 67.14 mm 67.137 mm 28.038 mm 26.967 mm HRAS_085 7216 E Comp -39.97 mm -39.974 mm 8.024 mm 7.718 mm HRAS_085 7216 N Comp 133.60 mm 133.596 mm 9.074 mm 8.727 mm 4. HRAS_085 CL 0 1984.08.06-18:03:12.456 21527.639 ns 0.245 ns 0.287 ns 5. HRAS_085 CL 1 1984.08.06-18:03:12.456 101.722 D-14 2.183 D-14 2.559 D-14 6. HRAS_085 CL 2 1984.08.06-18:03:12.456 2.493 D-14/day 1.880 D-14/day 2.203 D-14/day 31. HRAS_085 AT 0 1984.08.06-18:03:12.456 -49.551 ps 73.972 ps 86.700 ps HRAS_085 Atm 1984.08.07-06:03:44.640 Avg: -64.336 ps Rms: 35.207 ps Tot_Rms: 73.340 ps || Nat: 96 Dura: 86188.0 sec Tzd_avg: 7092.0 Tzd_rms: 46.3 Wzd_avg: 724.6 Wzd_rms: 47.8 ps Prs_avg: 84080. Pa Tem_avg: 17.5 C Stm_avg: -5.5 C Stm_rms: 2.8 K Spr_avg: 29. Spr_rms: 22. Pa 104. HRAS_085 NG 1984.08.06-18:02:12.456 0.012 mm 0.422 mm 0.495 mm 105. HRAS_085 EG 1984.08.06-18:02:12.456 0.016 mm 0.422 mm 0.495 mm 106. HRAS_085 NG 1984.08.07-02:02:12.456 0.013 mm 0.377 mm 0.442 mm 107. HRAS_085 EG 1984.08.07-02:02:12.456 0.016 mm 0.377 mm 0.441 mm 108. HRAS_085 NG 1984.08.07-10:02:12.456 -0.031 mm 0.377 mm 0.442 mm 109. HRAS_085 EG 1984.08.07-10:02:12.456 -0.010 mm 0.377 mm 0.442 mm 110. HRAS_085 NG 1984.08.07-18:02:12.456 -0.048 mm 0.422 mm 0.495 mm 111. HRAS_085 EG 1984.08.07-18:02:12.456 -0.006 mm 0.422 mm 0.495 mm 112. RICHMOND 7219 NOAM X Comp 961257975.55 mm -43.451 mm 8.348 mm 9.785 mm 113. RICHMOND 7219 NOAM Y Comp -5674089970.45 mm 79.546 mm 24.274 mm 28.451 mm 114. RICHMOND 7219 NOAM Z Comp 2740533822.74 mm 24.738 mm 15.466 mm 18.128 mm RICHMOND 7219 U Comp -66.57 mm -66.571 mm 27.646 mm 26.591 mm RICHMOND 7219 E Comp -29.55 mm -29.553 mm 7.778 mm 7.481 mm RICHMOND 7219 N Comp 59.35 mm 59.350 mm 8.564 mm 8.237 mm 115. RICHMOND CL 0 1984.08.06-18:03:12.456 16703.878 ns 0.167 ns 0.196 ns 116. RICHMOND CL 1 1984.08.06-18:03:12.456 -360.880 D-14 2.101 D-14 2.462 D-14 117. RICHMOND CL 2 1984.08.06-18:03:12.456 -3.366 D-14/day 1.824 D-14/day 2.138 D-14/day 142. RICHMOND AT 0 1984.08.06-18:03:12.456 95.385 ps 56.003 ps 65.640 ps RICHMOND Atm 1984.08.07-06:03:44.640 Avg: 107.440 ps Rms: 30.992 ps Tot_Rms: 111.820 ps || Nat: 88 Dura: 84900.0 sec Tzd_avg: 8418.6 Tzd_rms: 51.0 Wzd_avg: 709.5 Wzd_rms: 47.9 ps Prs_avg: 101717. Pa Tem_avg: 24.9 C Stm_avg: -2.6 C Stm_rms: 3.2 K Spr_avg: 6. Spr_rms: 58. Pa 215. RICHMOND NG 1984.08.06-18:02:12.456 -0.023 mm 0.422 mm 0.495 mm 216. RICHMOND EG 1984.08.06-18:02:12.456 -0.007 mm 0.422 mm 0.494 mm 217. RICHMOND NG 1984.08.07-02:02:12.456 -0.012 mm 0.377 mm 0.442 mm 218. RICHMOND EG 1984.08.07-02:02:12.456 -0.028 mm 0.376 mm 0.441 mm 219. RICHMOND NG 1984.08.07-10:02:12.456 0.013 mm 0.377 mm 0.442 mm 220. RICHMOND EG 1984.08.07-10:02:12.456 -0.008 mm 0.377 mm 0.441 mm 221. RICHMOND NG 1984.08.07-18:02:12.456 0.011 mm 0.422 mm 0.495 mm 222. RICHMOND EG 1984.08.07-18:02:12.456 0.083 mm 0.421 mm 0.494 mm 223. WESTFORD 7209 NOAM X Comp 1492206591.54 mm 48.544 mm 7.899 mm 9.259 mm 224. WESTFORD 7209 NOAM Y Comp -4458130432.35 mm 89.651 mm 14.357 mm 16.827 mm 225. WESTFORD 7209 NOAM Z Comp 4296015543.07 mm -3.926 mm 14.247 mm 16.699 mm WESTFORD 7209 U Comp -53.88 mm -53.884 mm 19.438 mm 18.696 mm WESTFORD 7209 E Comp 74.49 mm 74.490 mm 7.576 mm 7.287 mm WESTFORD 7209 N Comp 44.24 mm 44.238 mm 6.021 mm 5.791 mm 226. WESTFORD AT 0 1984.08.06-18:03:12.456 -54.813 ps 35.168 ps 41.220 ps WESTFORD Atm 1984.08.07-06:03:44.640 Avg: 12.543 ps Rms: 48.414 ps Tot_Rms: 50.013 ps || Nat: 126 Dura: 86188.0 sec Tzd_avg: 8261.4 Tzd_rms: 110.7 Wzd_avg: 724.2 Wzd_rms: 128.9 ps Prs_avg: 99745. Pa Tem_avg: 25.4 C Stm_avg: 0.8 C Stm_rms: 0.8 K Spr_avg: 151. Spr_rms: 38. Pa 299. WESTFORD NG 1984.08.06-18:02:12.456 -0.023 mm 0.422 mm 0.494 mm 300. WESTFORD EG 1984.08.06-18:02:12.456 0.031 mm 0.421 mm 0.494 mm 301. WESTFORD NG 1984.08.07-02:02:12.456 -0.063 mm 0.377 mm 0.441 mm 302. WESTFORD EG 1984.08.07-02:02:12.456 0.077 mm 0.375 mm 0.440 mm 303. WESTFORD NG 1984.08.07-10:02:12.456 0.010 mm 0.377 mm 0.441 mm 304. WESTFORD EG 1984.08.07-10:02:12.456 0.013 mm 0.376 mm 0.441 mm 305. WESTFORD NG 1984.08.07-18:02:12.456 0.048 mm 0.422 mm 0.494 mm 306. WESTFORD EG 1984.08.07-18:02:12.456 -0.058 mm 0.421 mm 0.494 mm 307. WETTZELL 7224 EURA X Comp 4075539872.22 mm 31.216 mm 20.399 mm 23.909 mm 308. WETTZELL 7224 EURA Y Comp 931735125.16 mm -188.841 mm 14.073 mm 16.495 mm 309. WETTZELL 7224 EURA Z Comp 4801629223.03 mm -169.973 mm 25.694 mm 30.115 mm WETTZELL 7224 U Comp -136.19 mm -136.187 mm 31.523 mm 30.320 mm WETTZELL 7224 E Comp -191.05 mm -191.049 mm 14.185 mm 13.643 mm WETTZELL 7224 N Comp -102.37 mm -102.372 mm 8.913 mm 8.572 mm 310. WETTZELL CL 0 1984.08.06-18:03:12.456 5826.422 ns 0.588 ns 0.689 ns 311. WETTZELL CL 1 1984.08.06-18:03:12.456 -389.823 D-14 3.073 D-14 3.602 D-14 312. WETTZELL CL 2 1984.08.06-18:03:12.456 -0.078 D-14/day 2.467 D-14/day 2.891 D-14/day 337. WETTZELL AT 0 1984.08.06-18:03:12.456 1.956 ps 89.554 ps 104.964 ps WETTZELL Atm 1984.08.07-06:03:44.640 Avg: 10.030 ps Rms: 28.141 ps Tot_Rms: 29.875 ps || Nat: 87 Dura: 85360.0 sec Tzd_avg: 7689.0 Tzd_rms: 46.1 Wzd_avg: 516.6 Wzd_rms: 52.2 ps Prs_avg: 95188. Pa Tem_avg: 14.7 C Stm_avg: -0.3 C Stm_rms: 1.2 K Spr_avg: 460. Spr_rms: 29. Pa 410. WETTZELL NG 1984.08.06-18:02:12.456 0.008 mm 0.422 mm 0.495 mm 411. WETTZELL EG 1984.08.06-18:02:12.456 0.005 mm 0.422 mm 0.495 mm 412. WETTZELL NG 1984.08.07-02:02:12.456 0.011 mm 0.377 mm 0.442 mm 413. WETTZELL EG 1984.08.07-02:02:12.456 0.004 mm 0.377 mm 0.442 mm 414. WETTZELL NG 1984.08.07-10:02:12.456 -0.030 mm 0.377 mm 0.442 mm 415. WETTZELL EG 1984.08.07-10:02:12.456 -0.007 mm 0.377 mm 0.442 mm 416. WETTZELL NG 1984.08.07-18:02:12.456 -0.009 mm 0.422 mm 0.495 mm 417. WETTZELL EG 1984.08.07-18:02:12.456 -0.011 mm 0.422 mm 0.495 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 16.94 ps/h NRMS 0.34 share 0.89 count 73 2. RICHMOND Input 50.00 ps/h RMS 14.41 ps/h NRMS 0.29 share 0.91 count 73 3. WESTFORD Input 50.00 ps/h RMS 20.06 ps/h NRMS 0.40 share 0.83 count 73 4. WETTZELL Input 50.00 ps/h RMS 15.07 ps/h NRMS 0.30 share 0.90 count 73 Overall RMS 16.77 ps/h NRMS 0.34 share 0.88 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.11 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.36 D-14 NRMS 0.47 share 0.27 count 25 2. RICHMOND Input 5.00 D-14 RMS 3.02 D-14 NRMS 0.60 share 0.28 count 25 4. WETTZELL Input 5.00 D-14 RMS 1.54 D-14 NRMS 0.31 share 0.40 count 25 Overall RMS 2.39 D-14 NRMS 0.48 share 0.32 count 75 418. UT1-TAI 1, 1984.08.07-06:01:00.000 -0.5476 ms/d -65.58 micros/d 64.14 micros/d 75.18 micros/d EOP epoch (TDT) MJD: 45919.251067 NUT epoch (TDT) MJD: 45919.260599 419. Nutation DPSI wrt apriori model 1984.08.07-06:01:24.456 1.546 mas 947.3 microasec 1110.3 microasec Nutation Dx wrt apriori model 1984.08.07-06:01:24.456 0.615 mas 375.8 microasec 440.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.07-06:01:24.456 -5.095 mas 947.3 microasec 1110.3 microasec 420. Nutation DEPS wrt apriori model 1984.08.07-06:01:24.456 -0.003 mas 306.0 microasec 358.7 microasec Nutation Dy wrt apriori model 1984.08.07-06:01:24.456 -0.001 mas 307.3 microasec 360.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.07-06:01:24.456 0.019 mas 306.0 microasec 358.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4985 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.07 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632832.94 9.52 2362632832.94 9.52 80.80 6.82 111.74 49.16 HRAS_085 7216 to WESTFORD 7209 3134928020.00 10.33 3134928020.00 10.33 108.83 5.13 147.56 38.49 HRAS_085 7216 to WETTZELL 7224 8417561448.35 34.48 8417561448.35 34.48 311.66 7.46 152.93 43.54 RICHMOND 7219 to WESTFORD 7209 2044501751.88 8.91 2044501751.88 8.91 96.35 5.28 6.21 36.85 RICHMOND 7219 to WETTZELL 7224 7588398459.15 30.22 7588398459.15 30.22 223.04 8.30 -17.30 46.57 WESTFORD 7209 to WETTZELL 7224 5998325329.66 20.82 5998325329.66 20.82 168.82 6.04 55.73 43.74 NNT_POS: 4 stations participated in NNT_POS constraints: GILCREEK SOURDOGH VNDNBERG WHTHORSE NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:45 Correlator type: Unknown Experiment code: cdp84n Mark-3 db_name: $84AUG07X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840807_a Ver 2 cdp84n Matrix Condition Number = 3.923467751615832E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | SOURDOGH: GION | | VNDNBERG: GION | | WHTHORSE: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for SOURDOGH is 5.0 Elevation cut for VNDNBERG is 5.0 Elevation cut for WHTHORSE is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 14.8 4.6 971.3 3.1 73.8 17.3 SOURDOGH MET 18.3 5.5 921.4 2.6 59.8 28.3 VNDNBERG MET 17.8 2.5 1011.1 2.1 74.6 9.6 WHTHORSE MET 10.9 2.7 928.8 2.6 90.6 4.1 Run 26091-1746 1130 Observation Pairs Available Session started on: 2445920.169200 1984.08.07 16:03:38.880 UTC Nominal duration: 170907.840 sec 01 23:28:27.840 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 470 54.734 ps 0.90 1.1539 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 483 Number of potentially good observations with QC 5-9: 483 Number of used observations: 470 ( 97.31%) Number of suppressed observations: 13 ( 2.69%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK SOURDOGH 216 219 122.270 0.94 19840807_a cdp84n 1984.08.08-15:47:52.8 BAS_STAT GILCREEK VNDNBERG 119 126 25.413 0.76 19840807_a cdp84n 1984.08.08-15:47:52.8 BAS_STAT GILCREEK WHTHORSE 79 79 132.134 0.95 19840807_a cdp84n 1984.08.08-15:47:52.8 BAS_STAT SOURDOGH VNDNBERG 47 49 141.825 0.97 19840807_a cdp84n 1984.08.08-15:47:52.8 BAS_STAT SOURDOGH WHTHORSE 6 7 79.420 0.80 19840807_a cdp84n 1984.08.08-15:47:52.8 BAS_STAT VNDNBERG WHTHORSE 3 3 221.951 1.01 19840807_a cdp84n 1984.08.08-15:47:52.8 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 24 25 57 51.720 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 0528+134 J0530+1331 25 25 59 71.232 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 0552+398 J0555+3948 65 65 151 56.357 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 2134+00 J2136+0041 25 25 44 32.217 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 3C273B J1229+0203 24 24 46 40.328 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 3C279 J1256-0547 5 5 13 13.358 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 3C345 J1642+3948 52 52 140 32.532 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 3C454.3 J2253+1608 38 39 77 45.414 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 3C84 J0319+4130 89 96 204 60.285 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: 4C39.25 J0927+3902 54 55 148 92.851 19840807_a cdp84n 1984.08.08-15:47:52.800 SRC_STAT: NRAO150 J0359+5057 69 72 191 93.046 19840807_a cdp84n 1984.08.08-15:47:52.800 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.08-15:47:20 1. GILCREEK 7225 NOAM X Comp -2281547300.98 mm 83.019 mm 13.918 mm 14.951 mm 2. GILCREEK 7225 NOAM Y Comp -1453644803.64 mm 310.365 mm 12.350 mm 13.266 mm 3. GILCREEK 7225 NOAM Z Comp 5756993013.93 mm -113.073 mm 33.533 mm 36.021 mm GILCREEK 7225 U Comp -202.61 mm -202.612 mm 37.596 mm 33.874 mm GILCREEK 7225 E Comp -217.14 mm -217.143 mm 5.303 mm 4.778 mm GILCREEK 7225 N Comp 166.74 mm 166.738 mm 5.395 mm 4.861 mm 4. GILCREEK AT 0 1984.08.07-16:03:06.696 -65.683 ps 79.004 ps 84.867 ps GILCREEK Atm 1984.08.08-16:03:38.880 Avg: -116.099 ps Rms: 38.724 ps Tot_Rms: 122.386 ps || Nat: 283 Dura: 170908.0 sec Tzd_avg: 7688.9 Tzd_rms: 80.0 Wzd_avg: 345.9 Wzd_rms: 104.6 ps Prs_avg: 97102. Pa Tem_avg: 14.7 C Stm_avg: -0.9 C Stm_rms: 3.5 K Spr_avg: 61. Spr_rms: 50. Pa 149. GILCREEK NG 1984.08.07-16:02:06.696 0.008 mm 0.422 mm 0.453 mm 150. GILCREEK EG 1984.08.07-16:02:06.696 0.014 mm 0.422 mm 0.453 mm 151. GILCREEK NG 1984.08.08-00:02:06.696 0.006 mm 0.376 mm 0.404 mm 152. GILCREEK EG 1984.08.08-00:02:06.696 0.009 mm 0.376 mm 0.404 mm 153. GILCREEK NG 1984.08.08-08:02:06.696 -0.022 mm 0.372 mm 0.399 mm 154. GILCREEK EG 1984.08.08-08:02:06.696 0.007 mm 0.372 mm 0.400 mm 155. GILCREEK NG 1984.08.08-16:02:06.696 -0.010 mm 0.372 mm 0.400 mm 156. GILCREEK EG 1984.08.08-16:02:06.696 -0.000 mm 0.372 mm 0.399 mm 157. GILCREEK NG 1984.08.09-00:02:06.696 0.026 mm 0.372 mm 0.400 mm 158. GILCREEK EG 1984.08.09-00:02:06.696 -0.009 mm 0.372 mm 0.400 mm 159. GILCREEK NG 1984.08.09-08:02:06.696 0.015 mm 0.376 mm 0.404 mm 160. GILCREEK EG 1984.08.09-08:02:06.696 -0.003 mm 0.376 mm 0.404 mm 161. GILCREEK NG 1984.08.09-16:02:06.696 0.003 mm 0.422 mm 0.453 mm 162. GILCREEK EG 1984.08.09-16:02:06.696 -0.013 mm 0.422 mm 0.453 mm 163. SOURDOGH 7281 NOAM X Comp -2419993606.38 mm 178.622 mm 24.001 mm 25.782 mm 164. SOURDOGH 7281 NOAM Y Comp -1664228508.19 mm 237.814 mm 18.218 mm 19.570 mm 165. SOURDOGH 7281 NOAM Z Comp 5643538047.07 mm -74.933 mm 55.194 mm 59.291 mm SOURDOGH 7281 U Comp -196.03 mm -196.032 mm 62.259 mm 56.096 mm SOURDOGH 7281 E Comp -94.74 mm -94.736 mm 6.397 mm 5.763 mm SOURDOGH 7281 N Comp 216.04 mm 216.039 mm 6.108 mm 5.503 mm 166. SOURDOGH CL 0 1984.08.07-16:03:06.696 -488.153 ns 0.405 ns 0.435 ns 167. SOURDOGH CL 1 1984.08.07-16:03:06.696 373.703 D-14 1.543 D-14 1.657 D-14 168. SOURDOGH CL 2 1984.08.07-16:03:06.696 2.146 D-14/day 0.680 D-14/day 0.730 D-14/day 217. SOURDOGH AT 0 1984.08.07-16:03:06.696 -145.756 ps 139.562 ps 149.919 ps SOURDOGH Atm 1984.08.08-16:03:38.880 Avg: -98.116 ps Rms: 73.691 ps Tot_Rms: 122.707 ps || Nat: 275 Dura: 170380.0 sec Tzd_avg: 7386.1 Tzd_rms: 83.4 Wzd_avg: 402.7 Wzd_rms: 75.1 ps Prs_avg: 92109. Pa Tem_avg: 18.2 C Stm_avg: 3.3 C Stm_rms: 4.2 K Spr_avg: -188. Spr_rms: 102. Pa 362. SOURDOGH NG 1984.08.07-16:02:06.696 0.006 mm 0.422 mm 0.454 mm 363. SOURDOGH EG 1984.08.07-16:02:06.696 -0.028 mm 0.422 mm 0.453 mm 364. SOURDOGH NG 1984.08.08-00:02:06.696 0.018 mm 0.376 mm 0.404 mm 365. SOURDOGH EG 1984.08.08-00:02:06.696 -0.013 mm 0.376 mm 0.404 mm 366. SOURDOGH NG 1984.08.08-08:02:06.696 0.030 mm 0.372 mm 0.400 mm 367. SOURDOGH EG 1984.08.08-08:02:06.696 0.008 mm 0.373 mm 0.400 mm 368. SOURDOGH NG 1984.08.08-16:02:06.696 -0.009 mm 0.372 mm 0.400 mm 369. SOURDOGH EG 1984.08.08-16:02:06.696 0.001 mm 0.372 mm 0.400 mm 370. SOURDOGH NG 1984.08.09-00:02:06.696 -0.028 mm 0.372 mm 0.400 mm 371. SOURDOGH EG 1984.08.09-00:02:06.696 0.010 mm 0.372 mm 0.400 mm 372. SOURDOGH NG 1984.08.09-08:02:06.696 -0.013 mm 0.376 mm 0.404 mm 373. SOURDOGH EG 1984.08.09-08:02:06.696 -0.001 mm 0.376 mm 0.404 mm 374. SOURDOGH NG 1984.08.09-16:02:06.696 -0.009 mm 0.422 mm 0.453 mm 375. SOURDOGH EG 1984.08.09-16:02:06.696 0.011 mm 0.422 mm 0.453 mm 376. VNDNBERG 7223 PCFC X Comp -2678094821.52 mm 225.483 mm 16.695 mm 17.934 mm 377. VNDNBERG 7223 PCFC Y Comp -4525450734.69 mm -234.690 mm 17.545 mm 18.847 mm 378. VNDNBERG 7223 PCFC Z Comp 3597409793.84 mm -622.155 mm 36.289 mm 38.982 mm VNDNBERG 7223 U Comp -281.13 mm -281.130 mm 37.875 mm 34.126 mm VNDNBERG 7223 E Comp 313.57 mm 313.574 mm 8.092 mm 7.291 mm VNDNBERG 7223 N Comp -561.81 mm -561.815 mm 20.086 mm 18.098 mm 379. VNDNBERG CL 0 1984.08.07-16:03:06.696 -3949.189 ns 0.227 ns 0.244 ns 380. VNDNBERG CL 1 1984.08.07-16:03:06.696 169.169 D-14 1.508 D-14 1.620 D-14 381. VNDNBERG CL 2 1984.08.07-16:03:06.696 3.747 D-14/day 0.676 D-14/day 0.726 D-14/day 430. VNDNBERG AT 0 1984.08.07-16:03:06.696 -25.357 ps 64.122 ps 68.881 ps VNDNBERG Atm 1984.08.08-16:03:38.880 Avg: -58.340 ps Rms: 53.186 ps Tot_Rms: 78.945 ps || Nat: 150 Dura: 167880.0 sec Tzd_avg: 8015.0 Tzd_rms: 62.3 Wzd_avg: 359.3 Wzd_rms: 75.8 ps Prs_avg: 101091. Pa Tem_avg: 17.8 C Stm_avg: 0.9 C Stm_rms: 1.3 K Spr_avg: 172. Spr_rms: 54. Pa 575. VNDNBERG NG 1984.08.07-16:02:06.696 -0.004 mm 0.422 mm 0.454 mm 576. VNDNBERG EG 1984.08.07-16:02:06.696 0.013 mm 0.422 mm 0.454 mm 577. VNDNBERG NG 1984.08.08-00:02:06.696 -0.002 mm 0.377 mm 0.405 mm 578. VNDNBERG EG 1984.08.08-00:02:06.696 -0.033 mm 0.376 mm 0.404 mm 579. VNDNBERG NG 1984.08.08-08:02:06.696 -0.004 mm 0.373 mm 0.400 mm 580. VNDNBERG EG 1984.08.08-08:02:06.696 -0.058 mm 0.372 mm 0.400 mm 581. VNDNBERG NG 1984.08.08-16:02:06.696 0.009 mm 0.372 mm 0.400 mm 582. VNDNBERG EG 1984.08.08-16:02:06.696 -0.020 mm 0.372 mm 0.400 mm 583. VNDNBERG NG 1984.08.09-00:02:06.696 -0.004 mm 0.373 mm 0.400 mm 584. VNDNBERG EG 1984.08.09-00:02:06.696 -0.004 mm 0.373 mm 0.400 mm 585. VNDNBERG NG 1984.08.09-08:02:06.696 -0.004 mm 0.377 mm 0.405 mm 586. VNDNBERG EG 1984.08.09-08:02:06.696 -0.004 mm 0.376 mm 0.404 mm 587. VNDNBERG NG 1984.08.09-16:02:06.696 0.003 mm 0.422 mm 0.454 mm 588. VNDNBERG EG 1984.08.09-16:02:06.696 -0.005 mm 0.422 mm 0.453 mm 589. WHTHORSE 7284 NOAM X Comp -2215213726.12 mm -487.124 mm 31.269 mm 33.589 mm 590. WHTHORSE 7284 NOAM Y Comp -2209261372.49 mm -313.489 mm 30.923 mm 33.218 mm 591. WHTHORSE 7284 NOAM Z Comp 5540292236.16 mm 810.162 mm 74.843 mm 80.398 mm WHTHORSE 7284 U Comp 983.63 mm 983.628 mm 85.692 mm 77.210 mm WHTHORSE 7284 E Comp -122.02 mm -122.017 mm 9.597 mm 8.647 mm WHTHORSE 7284 N Comp -97.55 mm -97.553 mm 10.014 mm 9.023 mm 592. WHTHORSE CL 0 1984.08.07-16:03:06.696 -8933.417 ns 0.530 ns 0.570 ns 593. WHTHORSE CL 1 1984.08.07-16:03:06.696 356.736 D-14 2.559 D-14 2.749 D-14 594. WHTHORSE CL 2 1984.08.07-16:03:06.696 5.579 D-14/day 2.924 D-14/day 3.141 D-14/day 643. WHTHORSE AT 0 1984.08.07-16:03:06.696 -0.950 ps 154.546 ps 166.015 ps WHTHORSE Atm 1984.08.08-16:03:38.880 Avg: -61.732 ps Rms: 26.906 ps Tot_Rms: 67.341 ps || Nat: 237 Dura: 149752.0 sec Tzd_avg: 7487.7 Tzd_rms: 115.0 Wzd_avg: 467.0 Wzd_rms: 117.8 ps Prs_avg: 92878. Pa Tem_avg: 10.9 C Stm_avg: -1.6 C Stm_rms: 2.7 K Spr_avg: 62. Spr_rms: 124. Pa 788. WHTHORSE NG 1984.08.07-16:02:06.696 -0.003 mm 0.422 mm 0.454 mm 789. WHTHORSE EG 1984.08.07-16:02:06.696 -0.015 mm 0.422 mm 0.454 mm 790. WHTHORSE NG 1984.08.08-00:02:06.696 0.001 mm 0.377 mm 0.405 mm 791. WHTHORSE EG 1984.08.08-00:02:06.696 0.010 mm 0.377 mm 0.405 mm 792. WHTHORSE NG 1984.08.08-08:02:06.696 0.006 mm 0.373 mm 0.400 mm 793. WHTHORSE EG 1984.08.08-08:02:06.696 0.007 mm 0.373 mm 0.400 mm 794. WHTHORSE NG 1984.08.08-16:02:06.696 0.002 mm 0.372 mm 0.400 mm 795. WHTHORSE EG 1984.08.08-16:02:06.696 0.003 mm 0.372 mm 0.400 mm 796. WHTHORSE NG 1984.08.09-00:02:06.696 0.001 mm 0.373 mm 0.400 mm 797. WHTHORSE EG 1984.08.09-00:02:06.696 0.001 mm 0.373 mm 0.400 mm 798. WHTHORSE NG 1984.08.09-08:02:06.696 0.000 mm 0.377 mm 0.405 mm 799. WHTHORSE EG 1984.08.09-08:02:06.696 0.000 mm 0.377 mm 0.405 mm 800. WHTHORSE NG 1984.08.09-16:02:06.696 0.000 mm 0.422 mm 0.454 mm 801. WHTHORSE EG 1984.08.09-16:02:06.696 0.000 mm 0.422 mm 0.454 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 19.55 ps/h NRMS 0.39 share 0.87 count 145 2. SOURDOGH Input 50.00 ps/h RMS 18.47 ps/h NRMS 0.37 share 0.94 count 145 3. VNDNBERG Input 50.00 ps/h RMS 20.27 ps/h NRMS 0.41 share 0.88 count 145 4. WHTHORSE Input 50.00 ps/h RMS 6.57 ps/h NRMS 0.13 share 0.98 count 145 Overall RMS 17.16 ps/h NRMS 0.34 share 0.92 count 580 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.50 count 14 2. SOURDOGH Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.50 count 14 3. VNDNBERG Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.50 count 14 4. WHTHORSE Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.50 count 14 Overall RMS 0.05 mm/d NRMS 0.02 share 0.50 count 56 Clock Constraint Statistics 2. SOURDOGH Input 5.00 D-14 RMS 7.15 D-14 NRMS 1.43 share 0.40 count 49 3. VNDNBERG Input 5.00 D-14 RMS 2.48 D-14 NRMS 0.50 share 0.29 count 49 4. WHTHORSE Input 5.00 D-14 RMS 2.00 D-14 NRMS 0.40 share 0.79 count 49 Overall RMS 4.52 D-14 NRMS 0.90 share 0.50 count 147 802. UT1-TAI 1, 1984.08.08-15:47:00.000 -0.3947 ms/d 32.61 micros/d 42.81 micros/d 45.99 micros/d EOP epoch (TDT) MJD: 45920.658011 NUT epoch (TDT) MJD: 45920.516887 803. Nutation DPSI wrt apriori model 1984.08.08-15:47:20.616 5.925 mas 1603.2 microasec 1722.2 microasec Nutation Dx wrt apriori model 1984.08.08-15:47:20.616 2.362 mas 636.1 microasec 683.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.08-15:47:20.616 -0.692 mas 1603.2 microasec 1722.2 microasec 804. Nutation DEPS wrt apriori model 1984.08.08-15:47:20.616 -1.536 mas 492.3 microasec 528.9 microasec Nutation Dy wrt apriori model 1984.08.08-15:47:20.616 -1.528 mas 494.5 microasec 531.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.08-15:47:20.616 -1.720 mas 492.3 microasec 528.9 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2737 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.08 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to SOURDOGH 7281 276378193.07 6.68 276378193.07 6.68 -124.55 5.91 -16.66 75.34 GILCREEK 7225 to VNDNBERG 7223 3775849745.23 16.16 3775849745.23 16.16 -157.78 4.64 183.80 39.23 GILCREEK 7225 to WHTHORSE 7284 788869931.84 15.21 788869931.84 15.21 181.46 11.94 -1202.53 113.12 SOURDOGH 7281 to VNDNBERG 7223 3527017110.16 25.51 3527017110.16 25.51 -18.08 7.10 195.70 78.56 SOURDOGH 7281 to WHTHORSE 7284 591316598.78 15.59 591316598.78 15.59 317.31 13.25 -1189.42 132.80 VNDNBERG 7223 to WHTHORSE 7284 3058395699.50 31.47 3058395699.50 31.47 -305.65 12.57 -1386.01 112.40 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:48 Correlator type: Unknown Experiment code: ia196 Mark-3 db_name: $84AUG11X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840811_a Ver 2 ia196 Matrix Condition Number = 5.478969327769629E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 17.1 2.4 841.6 1.0 78.3 7.9 RICHMOND MET 23.0 4.8 1014.3 1.1 45.5 1.2 WESTFORD MET 20.3 1.6 1008.5 1.5 58.0 12.6 WETTZELL MET 15.0 0.6 947.4 0.5 94.0 2.4 Run 26091-1746 441 Observation Pairs Available Session started on: 2445924.261500 1984.08.11 18:16:33.600 UTC Nominal duration: 93070.080 sec 01 01:51:10.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 380 49.656 ps 0.99 1.4195 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 384 Number of potentially good observations with QC 5-9: 384 Number of used observations: 380 ( 98.96%) Number of suppressed observations: 4 ( 1.04%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 71 71 37.275 0.96 19840811_a ia196 1984.08.12-07:12:08.6 BAS_STAT HRAS_085 WESTFORD 83 87 43.646 0.97 19840811_a ia196 1984.08.12-07:12:08.6 BAS_STAT HRAS_085 WETTZELL 43 43 57.839 0.93 19840811_a ia196 1984.08.12-07:12:08.6 BAS_STAT RICHMOND WESTFORD 66 66 43.323 0.89 19840811_a ia196 1984.08.12-07:12:08.6 BAS_STAT RICHMOND WETTZELL 34 34 169.225 1.11 19840811_a ia196 1984.08.12-07:12:08.6 BAS_STAT WESTFORD WETTZELL 83 83 65.863 1.08 19840811_a ia196 1984.08.12-07:12:08.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 16 16 20 49.036 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 0212+735 J0217+7349 32 32 44 66.533 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 0229+131 J0231+1322 21 21 24 38.504 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 0528+134 J0530+1331 32 32 33 52.931 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 0552+398 J0555+3948 32 32 34 51.529 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 1803+784 J1800+7828 26 26 26 48.164 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 2134+00 J2136+0041 27 27 34 35.230 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 3C273B J1229+0203 18 18 22 22.895 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 3C345 J1642+3948 27 28 34 31.785 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 3C454.3 J2253+1608 26 26 29 44.229 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: 4C39.25 J0927+3902 35 36 39 54.844 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: OJ287 J0854+2006 37 39 42 109.237 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: OQ208 J1407+2827 30 30 31 106.915 19840811_a ia196 1984.08.12-07:12:08.640 SRC_STAT: VR422201 J2202+4216 21 21 29 69.195 19840811_a ia196 1984.08.12-07:12:08.640 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.12-07:11:36 1. HRAS_085 7216 NOAM X Comp -1324211047.87 mm -30.875 mm 7.511 mm 8.949 mm 2. HRAS_085 7216 NOAM Y Comp -5332023049.67 mm 32.334 mm 21.074 mm 25.108 mm 3. HRAS_085 7216 NOAM Z Comp 3232118451.22 mm 144.220 mm 15.512 mm 18.481 mm HRAS_085 7216 U Comp 52.90 mm 52.896 mm 25.274 mm 25.005 mm HRAS_085 7216 E Comp -37.76 mm -37.758 mm 6.708 mm 6.636 mm HRAS_085 7216 N Comp 136.29 mm 136.288 mm 7.576 mm 7.495 mm 4. HRAS_085 CL 0 1984.08.11-18:16:01.416 21768.761 ns 0.251 ns 0.299 ns 5. HRAS_085 CL 1 1984.08.11-18:16:01.416 92.935 D-14 2.130 D-14 2.538 D-14 6. HRAS_085 CL 2 1984.08.11-18:16:01.416 0.055 D-14/day 1.683 D-14/day 2.005 D-14/day 33. HRAS_085 AT 0 1984.08.11-18:16:01.416 -60.270 ps 70.977 ps 84.563 ps HRAS_085 Atm 1984.08.12-07:16:33.600 Avg: -54.874 ps Rms: 64.020 ps Tot_Rms: 84.319 ps || Nat: 107 Dura: 92292.0 sec Tzd_avg: 7061.4 Tzd_rms: 42.5 Wzd_avg: 686.0 Wzd_rms: 48.7 ps Prs_avg: 84152. Pa Tem_avg: 17.3 C Stm_avg: -2.6 C Stm_rms: 0.9 K Spr_avg: 12. Spr_rms: 53. Pa 112. HRAS_085 NG 1984.08.11-18:15:01.416 0.017 mm 0.422 mm 0.503 mm 113. HRAS_085 EG 1984.08.11-18:15:01.416 -0.059 mm 0.422 mm 0.503 mm 114. HRAS_085 NG 1984.08.12-02:15:01.416 -0.007 mm 0.377 mm 0.449 mm 115. HRAS_085 EG 1984.08.12-02:15:01.416 -0.023 mm 0.376 mm 0.449 mm 116. HRAS_085 NG 1984.08.12-10:15:01.416 -0.018 mm 0.377 mm 0.449 mm 117. HRAS_085 EG 1984.08.12-10:15:01.416 0.033 mm 0.377 mm 0.449 mm 118. HRAS_085 NG 1984.08.12-18:15:01.416 -0.045 mm 0.421 mm 0.502 mm 119. HRAS_085 EG 1984.08.12-18:15:01.416 0.038 mm 0.421 mm 0.502 mm 120. RICHMOND 7219 NOAM X Comp 961257992.23 mm -26.770 mm 6.964 mm 8.297 mm 121. RICHMOND 7219 NOAM Y Comp -5674090017.55 mm 32.448 mm 21.816 mm 25.992 mm 122. RICHMOND 7219 NOAM Z Comp 2740533855.38 mm 57.383 mm 13.533 mm 16.124 mm RICHMOND 7219 U Comp -8.07 mm -8.074 mm 24.732 mm 24.468 mm RICHMOND 7219 E Comp -20.97 mm -20.974 mm 6.610 mm 6.540 mm RICHMOND 7219 N Comp 67.51 mm 67.507 mm 7.229 mm 7.152 mm 123. RICHMOND CL 0 1984.08.11-18:16:01.416 9108.755 ns 0.248 ns 0.296 ns 124. RICHMOND CL 1 1984.08.11-18:16:01.416 -287.752 D-14 2.153 D-14 2.565 D-14 125. RICHMOND CL 2 1984.08.11-18:16:01.416 3.336 D-14/day 1.714 D-14/day 2.042 D-14/day 152. RICHMOND AT 0 1984.08.11-18:16:01.416 -52.336 ps 57.953 ps 69.046 ps RICHMOND Atm 1984.08.12-07:16:33.600 Avg: -184.183 ps Rms: 63.720 ps Tot_Rms: 194.894 ps || Nat: 96 Dura: 91858.0 sec Tzd_avg: 8647.1 Tzd_rms: 50.0 Wzd_avg: 960.2 Wzd_rms: 47.6 ps Prs_avg: 101424. Pa Tem_avg: 23.2 C Stm_avg: -5.3 C Stm_rms: 4.3 K Spr_avg: -107. Spr_rms: 82. Pa 231. RICHMOND NG 1984.08.11-18:15:01.416 -0.024 mm 0.422 mm 0.503 mm 232. RICHMOND EG 1984.08.11-18:15:01.416 0.071 mm 0.422 mm 0.502 mm 233. RICHMOND NG 1984.08.12-02:15:01.416 -0.006 mm 0.377 mm 0.449 mm 234. RICHMOND EG 1984.08.12-02:15:01.416 0.032 mm 0.376 mm 0.448 mm 235. RICHMOND NG 1984.08.12-10:15:01.416 -0.001 mm 0.377 mm 0.449 mm 236. RICHMOND EG 1984.08.12-10:15:01.416 -0.044 mm 0.376 mm 0.448 mm 237. RICHMOND NG 1984.08.12-18:15:01.416 0.052 mm 0.422 mm 0.502 mm 238. RICHMOND EG 1984.08.12-18:15:01.416 -0.058 mm 0.421 mm 0.502 mm 239. WESTFORD 7209 NOAM X Comp 1492206592.51 mm 49.511 mm 6.372 mm 7.592 mm 240. WESTFORD 7209 NOAM Y Comp -4458130405.55 mm 116.455 mm 12.507 mm 14.901 mm 241. WESTFORD 7209 NOAM Z Comp 4296015538.71 mm -8.295 mm 11.841 mm 14.107 mm WESTFORD 7209 U Comp -75.32 mm -75.323 mm 16.444 mm 16.269 mm WESTFORD 7209 E Comp 83.91 mm 83.915 mm 6.413 mm 6.344 mm WESTFORD 7209 N Comp 58.02 mm 58.023 mm 5.071 mm 5.017 mm 242. WESTFORD AT 0 1984.08.11-18:16:01.416 55.372 ps 47.435 ps 56.514 ps WESTFORD Atm 1984.08.12-07:16:33.600 Avg: -7.581 ps Rms: 61.748 ps Tot_Rms: 62.212 ps || Nat: 142 Dura: 87500.0 sec Tzd_avg: 8456.5 Tzd_rms: 93.2 Wzd_avg: 841.3 Wzd_rms: 86.4 ps Prs_avg: 100843. Pa Tem_avg: 20.5 C Stm_avg: -0.8 C Stm_rms: 0.9 K Spr_avg: 171. Spr_rms: 45. Pa 321. WESTFORD NG 1984.08.11-18:15:01.416 -0.043 mm 0.422 mm 0.502 mm 322. WESTFORD EG 1984.08.11-18:15:01.416 0.044 mm 0.421 mm 0.502 mm 323. WESTFORD NG 1984.08.12-02:15:01.416 -0.013 mm 0.376 mm 0.448 mm 324. WESTFORD EG 1984.08.12-02:15:01.416 0.013 mm 0.375 mm 0.447 mm 325. WESTFORD NG 1984.08.12-10:15:01.416 -0.004 mm 0.377 mm 0.449 mm 326. WESTFORD EG 1984.08.12-10:15:01.416 -0.005 mm 0.376 mm 0.448 mm 327. WESTFORD NG 1984.08.12-18:15:01.416 0.023 mm 0.421 mm 0.502 mm 328. WESTFORD EG 1984.08.12-18:15:01.416 -0.011 mm 0.420 mm 0.501 mm 329. WETTZELL 7224 EURA X Comp 4075539849.13 mm 8.133 mm 16.102 mm 19.184 mm 330. WETTZELL 7224 EURA Y Comp 931735132.76 mm -181.237 mm 12.025 mm 14.326 mm 331. WETTZELL 7224 EURA Z Comp 4801629199.69 mm -193.308 mm 21.331 mm 25.415 mm WETTZELL 7224 U Comp -167.45 mm -167.447 mm 25.500 mm 25.229 mm WETTZELL 7224 E Comp -178.49 mm -178.491 mm 12.082 mm 11.953 mm WETTZELL 7224 N Comp -101.90 mm -101.898 mm 7.915 mm 7.831 mm 332. WETTZELL CL 0 1984.08.11-18:16:01.416 5484.026 ns 0.294 ns 0.350 ns 333. WETTZELL CL 1 1984.08.11-18:16:01.416 -424.933 D-14 2.368 D-14 2.821 D-14 334. WETTZELL CL 2 1984.08.11-18:16:01.416 -0.325 D-14/day 2.014 D-14/day 2.399 D-14/day 361. WETTZELL AT 0 1984.08.11-18:16:01.416 72.114 ps 51.464 ps 61.316 ps WETTZELL Atm 1984.08.12-07:16:33.600 Avg: 78.000 ps Rms: 17.738 ps Tot_Rms: 79.992 ps || Nat: 92 Dura: 84690.0 sec Tzd_avg: 7744.7 Tzd_rms: 35.9 Wzd_avg: 612.9 Wzd_rms: 32.1 ps Prs_avg: 94735. Pa Tem_avg: 14.9 C Stm_avg: 0.8 C Stm_rms: 1.0 K Spr_avg: 499. Spr_rms: 32. Pa 440. WETTZELL NG 1984.08.11-18:15:01.416 0.019 mm 0.422 mm 0.503 mm 441. WETTZELL EG 1984.08.11-18:15:01.416 0.001 mm 0.422 mm 0.503 mm 442. WETTZELL NG 1984.08.12-02:15:01.416 -0.016 mm 0.377 mm 0.449 mm 443. WETTZELL EG 1984.08.12-02:15:01.416 -0.026 mm 0.377 mm 0.449 mm 444. WETTZELL NG 1984.08.12-10:15:01.416 0.002 mm 0.377 mm 0.449 mm 445. WETTZELL EG 1984.08.12-10:15:01.416 0.005 mm 0.377 mm 0.449 mm 446. WETTZELL NG 1984.08.12-18:15:01.416 -0.023 mm 0.422 mm 0.503 mm 447. WETTZELL EG 1984.08.12-18:15:01.416 0.008 mm 0.422 mm 0.503 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 18.09 ps/h NRMS 0.36 share 0.88 count 79 2. RICHMOND Input 50.00 ps/h RMS 17.76 ps/h NRMS 0.36 share 0.90 count 79 3. WESTFORD Input 50.00 ps/h RMS 18.48 ps/h NRMS 0.37 share 0.80 count 79 4. WETTZELL Input 50.00 ps/h RMS 15.27 ps/h NRMS 0.31 share 0.88 count 79 Overall RMS 17.44 ps/h NRMS 0.35 share 0.86 count 316 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.06 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.52 D-14 NRMS 0.50 share 0.24 count 27 2. RICHMOND Input 5.00 D-14 RMS 3.48 D-14 NRMS 0.70 share 0.27 count 27 4. WETTZELL Input 5.00 D-14 RMS 2.25 D-14 NRMS 0.45 share 0.38 count 27 Overall RMS 2.80 D-14 NRMS 0.56 share 0.30 count 81 448. UT1-TAI 1, 1984.08.12-07:12:00.000 -0.9826 ms/d -6.09 micros/d 52.67 micros/d 62.75 micros/d EOP epoch (TDT) MJD: 45924.300372 NUT epoch (TDT) MJD: 45924.306537 449. Nutation DPSI wrt apriori model 1984.08.12-07:11:36.456 -0.896 mas 870.8 microasec 1037.5 microasec Nutation Dx wrt apriori model 1984.08.12-07:11:36.456 -0.357 mas 345.4 microasec 411.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.12-07:11:36.456 -7.211 mas 870.8 microasec 1037.5 microasec 450. Nutation DEPS wrt apriori model 1984.08.12-07:11:36.456 0.123 mas 282.9 microasec 337.1 microasec Nutation Dy wrt apriori model 1984.08.12-07:11:36.456 0.121 mas 284.1 microasec 338.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.12-07:11:36.456 -0.129 mas 282.9 microasec 337.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5227 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.12 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632844.66 8.25 2362632844.66 8.25 73.08 6.13 41.62 44.36 HRAS_085 7216 to WESTFORD 7209 3134928020.11 8.76 3134928020.11 8.76 98.79 4.60 158.46 34.37 HRAS_085 7216 to WETTZELL 7224 8417561422.84 27.98 8417561422.84 27.98 303.22 6.07 174.27 37.92 RICHMOND 7219 to WESTFORD 7209 2044501763.59 7.93 2044501763.59 7.93 93.76 4.49 89.48 32.61 RICHMOND 7219 to WETTZELL 7224 7588398475.25 25.98 7588398475.25 25.98 217.92 7.03 68.85 39.13 WESTFORD 7209 to WETTZELL 7224 5998325300.45 17.42 5998325300.45 17.42 167.59 4.92 77.00 35.22 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:51 Correlator type: Unknown Experiment code: ia197 Mark-3 db_name: $84AUG16X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840816_a Ver 2 ia197 Matrix Condition Number = 1.652189489639368E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 16.0 2.9 843.6 0.6 52.3 6.0 RICHMOND MET 25.7 3.4 1013.9 0.8 41.3 8.9 WESTFORD MET 22.9 2.6 999.0 0.6 20.9 0.7 WETTZELL MET 14.8 3.3 951.8 0.8 69.8 16.4 Run 26091-1746 428 Observation Pairs Available Session started on: 2445929.247600 1984.08.16 17:56:32.640 UTC Nominal duration: 85743.360 sec 00 23:49:03.360 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 372 48.390 ps 1.01 1.4958 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 376 Number of potentially good observations with QC 5-9: 376 Number of used observations: 372 ( 98.94%) Number of suppressed observations: 4 ( 1.06%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 60 62 34.486 0.99 19840816_a ia197 1984.08.17-05:51:04.3 BAS_STAT HRAS_085 WESTFORD 72 73 52.206 1.09 19840816_a ia197 1984.08.17-05:51:04.3 BAS_STAT HRAS_085 WETTZELL 41 41 62.715 1.15 19840816_a ia197 1984.08.17-05:51:04.3 BAS_STAT RICHMOND WESTFORD 72 72 42.926 0.93 19840816_a ia197 1984.08.17-05:51:04.3 BAS_STAT RICHMOND WETTZELL 39 39 93.426 1.09 19840816_a ia197 1984.08.17-05:51:04.3 BAS_STAT WESTFORD WETTZELL 88 89 50.357 0.93 19840816_a ia197 1984.08.17-05:51:04.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 18 20 50.444 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 0212+735 J0217+7349 31 31 46 64.335 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 0229+131 J0231+1322 24 24 27 28.699 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 0528+134 J0530+1331 32 33 33 65.173 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 0552+398 J0555+3948 35 35 35 40.171 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 1803+784 J1800+7828 26 26 27 77.414 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 2134+00 J2136+0041 24 25 26 36.991 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 3C273B J1229+0203 16 16 17 29.610 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 3C345 J1642+3948 25 25 36 36.052 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 3C454.3 J2253+1608 21 21 23 41.609 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: 4C39.25 J0927+3902 31 32 38 56.379 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: OJ287 J0854+2006 38 38 38 74.883 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: OQ208 J1407+2827 31 31 32 73.039 19840816_a ia197 1984.08.17-05:51:04.320 SRC_STAT: VR422201 J2202+4216 20 21 30 75.958 19840816_a ia197 1984.08.17-05:51:04.320 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.17-05:50:32 1. HRAS_085 7216 NOAM X Comp -1324211064.18 mm -47.179 mm 8.224 mm 10.058 mm 2. HRAS_085 7216 NOAM Y Comp -5332023127.65 mm -45.654 mm 24.398 mm 29.839 mm 3. HRAS_085 7216 NOAM Z Comp 3232118465.25 mm 158.253 mm 17.062 mm 20.868 mm HRAS_085 7216 U Comp 128.55 mm 128.553 mm 29.422 mm 29.838 mm HRAS_085 7216 E Comp -34.78 mm -34.784 mm 6.228 mm 6.316 mm HRAS_085 7216 N Comp 107.79 mm 107.790 mm 7.042 mm 7.141 mm 4. HRAS_085 CL 0 1984.08.16-17:56:00.456 22370.533 ns 0.214 ns 0.262 ns 5. HRAS_085 CL 1 1984.08.16-17:56:00.456 86.671 D-14 2.117 D-14 2.589 D-14 6. HRAS_085 CL 2 1984.08.16-17:56:00.456 3.339 D-14/day 1.858 D-14/day 2.272 D-14/day 31. HRAS_085 AT 0 1984.08.16-17:56:00.456 -211.529 ps 75.529 ps 92.374 ps HRAS_085 Atm 1984.08.17-05:56:32.640 Avg: -130.847 ps Rms: 43.284 ps Tot_Rms: 137.820 ps || Nat: 88 Dura: 84962.0 sec Tzd_avg: 6932.1 Tzd_rms: 28.1 Wzd_avg: 536.3 Wzd_rms: 28.7 ps Prs_avg: 84352. Pa Tem_avg: 16.2 C Stm_avg: -2.7 C Stm_rms: 1.1 K Spr_avg: 11. Spr_rms: 50. Pa 104. HRAS_085 NG 1984.08.16-17:55:00.456 -0.014 mm 0.422 mm 0.516 mm 105. HRAS_085 EG 1984.08.16-17:55:00.456 -0.014 mm 0.422 mm 0.516 mm 106. HRAS_085 NG 1984.08.17-01:55:00.456 0.024 mm 0.377 mm 0.461 mm 107. HRAS_085 EG 1984.08.17-01:55:00.456 -0.026 mm 0.377 mm 0.461 mm 108. HRAS_085 NG 1984.08.17-09:55:00.456 0.003 mm 0.377 mm 0.461 mm 109. HRAS_085 EG 1984.08.17-09:55:00.456 0.002 mm 0.377 mm 0.461 mm 110. HRAS_085 NG 1984.08.17-17:55:00.456 -0.043 mm 0.422 mm 0.516 mm 111. HRAS_085 EG 1984.08.17-17:55:00.456 0.031 mm 0.422 mm 0.516 mm 112. RICHMOND 7219 NOAM X Comp 961257964.91 mm -54.086 mm 6.266 mm 7.664 mm 113. RICHMOND 7219 NOAM Y Comp -5674089934.56 mm 115.440 mm 21.394 mm 26.165 mm 114. RICHMOND 7219 NOAM Z Comp 2740533804.29 mm 6.289 mm 13.066 mm 15.980 mm RICHMOND 7219 U Comp -108.06 mm -108.061 mm 24.241 mm 24.584 mm RICHMOND 7219 E Comp -34.04 mm -34.043 mm 6.063 mm 6.149 mm RICHMOND 7219 N Comp 58.78 mm 58.780 mm 6.581 mm 6.674 mm 115. RICHMOND CL 0 1984.08.16-17:56:00.456 14193.685 ns 0.180 ns 0.220 ns 116. RICHMOND CL 1 1984.08.16-17:56:00.456 -273.131 D-14 2.109 D-14 2.579 D-14 117. RICHMOND CL 2 1984.08.16-17:56:00.456 2.818 D-14/day 1.828 D-14/day 2.236 D-14/day 142. RICHMOND AT 0 1984.08.16-17:56:00.456 57.145 ps 57.952 ps 70.877 ps RICHMOND Atm 1984.08.17-05:56:32.640 Avg: 64.930 ps Rms: 28.692 ps Tot_Rms: 70.987 ps || Nat: 91 Dura: 85740.0 sec Tzd_avg: 8564.6 Tzd_rms: 27.4 Wzd_avg: 885.0 Wzd_rms: 23.6 ps Prs_avg: 101392. Pa Tem_avg: 25.8 C Stm_avg: -2.5 C Stm_rms: 3.0 K Spr_avg: -10. Spr_rms: 126. Pa 215. RICHMOND NG 1984.08.16-17:55:00.456 -0.004 mm 0.422 mm 0.516 mm 216. RICHMOND EG 1984.08.16-17:55:00.456 0.009 mm 0.422 mm 0.516 mm 217. RICHMOND NG 1984.08.17-01:55:00.456 -0.017 mm 0.377 mm 0.461 mm 218. RICHMOND EG 1984.08.17-01:55:00.456 -0.015 mm 0.376 mm 0.460 mm 219. RICHMOND NG 1984.08.17-09:55:00.456 -0.008 mm 0.377 mm 0.461 mm 220. RICHMOND EG 1984.08.17-09:55:00.456 -0.003 mm 0.376 mm 0.460 mm 221. RICHMOND NG 1984.08.17-17:55:00.456 0.043 mm 0.422 mm 0.516 mm 222. RICHMOND EG 1984.08.17-17:55:00.456 0.024 mm 0.421 mm 0.515 mm 223. WESTFORD 7209 NOAM X Comp 1492206586.76 mm 43.756 mm 5.855 mm 7.160 mm 224. WESTFORD 7209 NOAM Y Comp -4458130398.82 mm 123.177 mm 12.950 mm 15.839 mm 225. WESTFORD 7209 NOAM Z Comp 4296015492.32 mm -54.685 mm 11.856 mm 14.500 mm WESTFORD 7209 U Comp -112.77 mm -112.767 mm 16.811 mm 17.049 mm WESTFORD 7209 E Comp 80.59 mm 80.590 mm 6.195 mm 6.283 mm WESTFORD 7209 N Comp 29.44 mm 29.436 mm 4.643 mm 4.708 mm 226. WESTFORD AT 0 1984.08.16-17:56:00.456 71.748 ps 28.631 ps 35.017 ps WESTFORD Atm 1984.08.17-05:56:32.640 Avg: -0.749 ps Rms: 58.222 ps Tot_Rms: 58.227 ps || Nat: 141 Dura: 84962.0 sec Tzd_avg: 8241.4 Tzd_rms: 173.3 Wzd_avg: 693.9 Wzd_rms: 182.9 ps Prs_avg: 99897. Pa Tem_avg: 23.1 C Stm_avg: 1.1 C Stm_rms: 1.0 K Spr_avg: 184. Spr_rms: 40. Pa 299. WESTFORD NG 1984.08.16-17:55:00.456 -0.026 mm 0.421 mm 0.515 mm 300. WESTFORD EG 1984.08.16-17:55:00.456 0.085 mm 0.421 mm 0.515 mm 301. WESTFORD NG 1984.08.17-01:55:00.456 -0.068 mm 0.377 mm 0.460 mm 302. WESTFORD EG 1984.08.17-01:55:00.456 0.141 mm 0.375 mm 0.459 mm 303. WESTFORD NG 1984.08.17-09:55:00.456 0.023 mm 0.376 mm 0.460 mm 304. WESTFORD EG 1984.08.17-09:55:00.456 0.024 mm 0.376 mm 0.460 mm 305. WESTFORD NG 1984.08.17-17:55:00.456 0.026 mm 0.421 mm 0.515 mm 306. WESTFORD EG 1984.08.17-17:55:00.456 -0.032 mm 0.421 mm 0.515 mm 307. WETTZELL 7224 EURA X Comp 4075539898.51 mm 57.509 mm 14.103 mm 17.249 mm 308. WETTZELL 7224 EURA Y Comp 931735121.04 mm -192.963 mm 12.589 mm 15.397 mm 309. WETTZELL 7224 EURA Z Comp 4801629283.14 mm -109.857 mm 18.705 mm 22.876 mm WETTZELL 7224 U Comp -74.55 mm -74.551 mm 21.978 mm 22.290 mm WETTZELL 7224 E Comp -200.93 mm -200.927 mm 12.329 mm 12.504 mm WETTZELL 7224 N Comp -81.74 mm -81.739 mm 8.498 mm 8.618 mm 310. WETTZELL CL 0 1984.08.16-17:56:00.456 3032.823 ns 0.212 ns 0.260 ns 311. WETTZELL CL 1 1984.08.16-17:56:00.456 -442.144 D-14 2.224 D-14 2.720 D-14 312. WETTZELL CL 2 1984.08.16-17:56:00.456 -0.470 D-14/day 1.925 D-14/day 2.354 D-14/day 337. WETTZELL AT 0 1984.08.16-17:56:00.456 0.047 ps 35.703 ps 43.666 ps WETTZELL Atm 1984.08.17-05:56:32.640 Avg: -48.685 ps Rms: 24.737 ps Tot_Rms: 54.610 ps || Nat: 100 Dura: 85528.0 sec Tzd_avg: 7599.7 Tzd_rms: 12.8 Wzd_avg: 425.1 Wzd_rms: 16.5 ps Prs_avg: 95171. Pa Tem_avg: 14.6 C Stm_avg: -0.3 C Stm_rms: 1.4 K Spr_avg: 453. Spr_rms: 28. Pa 410. WETTZELL NG 1984.08.16-17:55:00.456 0.011 mm 0.422 mm 0.516 mm 411. WETTZELL EG 1984.08.16-17:55:00.456 0.004 mm 0.422 mm 0.516 mm 412. WETTZELL NG 1984.08.17-01:55:00.456 0.018 mm 0.377 mm 0.461 mm 413. WETTZELL EG 1984.08.17-01:55:00.456 -0.010 mm 0.377 mm 0.461 mm 414. WETTZELL NG 1984.08.17-09:55:00.456 -0.027 mm 0.377 mm 0.461 mm 415. WETTZELL EG 1984.08.17-09:55:00.456 -0.006 mm 0.377 mm 0.461 mm 416. WETTZELL NG 1984.08.17-17:55:00.456 -0.028 mm 0.422 mm 0.516 mm 417. WETTZELL EG 1984.08.17-17:55:00.456 0.016 mm 0.422 mm 0.517 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 19.23 ps/h NRMS 0.38 share 0.89 count 73 2. RICHMOND Input 50.00 ps/h RMS 13.18 ps/h NRMS 0.26 share 0.89 count 73 3. WESTFORD Input 50.00 ps/h RMS 32.97 ps/h NRMS 0.66 share 0.79 count 73 4. WETTZELL Input 50.00 ps/h RMS 16.10 ps/h NRMS 0.32 share 0.84 count 73 Overall RMS 21.73 ps/h NRMS 0.43 share 0.85 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.11 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.13 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.12 D-14 NRMS 0.42 share 0.27 count 25 2. RICHMOND Input 5.00 D-14 RMS 2.70 D-14 NRMS 0.54 share 0.23 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.28 D-14 NRMS 0.46 share 0.29 count 25 Overall RMS 2.38 D-14 NRMS 0.48 share 0.26 count 75 418. UT1-TAI 1, 1984.08.17-05:51:00.000 -1.5773 ms/d -62.35 micros/d 47.30 micros/d 57.85 micros/d EOP epoch (TDT) MJD: 45929.244123 NUT epoch (TDT) MJD: 45929.259302 419. Nutation DPSI wrt apriori model 1984.08.17-05:50:32.136 0.453 mas 857.9 microasec 1049.3 microasec Nutation Dx wrt apriori model 1984.08.17-05:50:32.136 0.180 mas 340.4 microasec 416.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.17-05:50:32.136 -5.738 mas 857.9 microasec 1049.3 microasec 420. Nutation DEPS wrt apriori model 1984.08.17-05:50:32.136 0.120 mas 260.8 microasec 319.0 microasec Nutation Dy wrt apriori model 1984.08.17-05:50:32.136 0.121 mas 262.0 microasec 320.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.17-05:50:32.136 0.532 mas 260.8 microasec 319.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6074 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.17 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632824.25 9.50 2362632824.25 9.50 58.20 6.56 213.78 47.51 HRAS_085 7216 to WESTFORD 7209 3134928032.70 10.36 3134928032.70 10.36 100.69 5.20 262.27 39.68 HRAS_085 7216 to WETTZELL 7224 8417561527.22 30.57 8417561527.22 30.57 282.41 6.00 127.43 37.64 RICHMOND 7219 to WESTFORD 7209 2044501727.41 7.80 2044501727.41 7.80 112.38 4.41 21.31 31.71 RICHMOND 7219 to WETTZELL 7224 7588398460.81 23.82 7588398460.81 23.82 209.53 6.59 -111.92 35.43 WESTFORD 7209 to WETTZELL 7224 5998325318.56 15.62 5998325318.56 15.62 139.46 4.50 -61.27 31.35 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:54 Correlator type: Unknown Experiment code: ia198 Mark-3 db_name: $84AUG21X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840821_a Ver 2 ia198 Matrix Condition Number = 1.556115296427541E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.8 4.6 842.9 1.7 46.2 2.3 RICHMOND MET 22.0 3.9 1016.5 0.8 49.4 2.1 WESTFORD MET 19.1 2.8 1007.3 1.0 18.1 0.2 WETTZELL MET 17.8 4.7 949.6 1.0 45.5 3.8 Run 26091-1746 376 Observation Pairs Available Session started on: 2445934.262400 1984.08.21 18:17:51.360 UTC Nominal duration: 85121.280 sec 00 23:38:41.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 326 43.675 ps 0.91 1.2584 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 335 Number of potentially good observations with QC 5-9: 335 Number of used observations: 326 ( 97.31%) Number of suppressed observations: 9 ( 2.69%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 63 67 28.657 0.81 19840821_a ia198 1984.08.22-06:07:12.0 BAS_STAT HRAS_085 WESTFORD 70 71 56.198 0.96 19840821_a ia198 1984.08.22-06:07:12.0 BAS_STAT HRAS_085 WETTZELL 33 34 72.326 0.94 19840821_a ia198 1984.08.22-06:07:12.0 BAS_STAT RICHMOND WESTFORD 64 66 44.289 1.00 19840821_a ia198 1984.08.22-06:07:12.0 BAS_STAT RICHMOND WETTZELL 31 31 64.153 1.04 19840821_a ia198 1984.08.22-06:07:12.0 BAS_STAT WESTFORD WETTZELL 65 66 39.094 0.75 19840821_a ia198 1984.08.22-06:07:12.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 18 66.235 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 0212+735 J0217+7349 26 26 32 54.231 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 0229+131 J0231+1322 22 22 23 45.525 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 0528+134 J0530+1331 22 22 22 63.175 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 0552+398 J0555+3948 27 28 29 40.524 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 1803+784 J1800+7828 21 21 22 40.980 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 2134+00 J2136+0041 13 13 16 21.594 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 3C273B J1229+0203 21 25 25 22.639 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 3C345 J1642+3948 32 33 38 33.493 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 3C454.3 J2253+1608 27 27 28 26.917 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: 4C39.25 J0927+3902 21 23 25 48.617 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: OJ287 J0854+2006 34 35 37 79.643 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: OQ208 J1407+2827 26 26 33 81.217 19840821_a ia198 1984.08.22-06:07:12.000 SRC_STAT: VR422201 J2202+4216 17 17 28 67.199 19840821_a ia198 1984.08.22-06:07:12.000 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.22-06:06:39 1. HRAS_085 7216 NOAM X Comp -1324211077.61 mm -60.613 mm 9.228 mm 10.351 mm 2. HRAS_085 7216 NOAM Y Comp -5332023110.92 mm -28.922 mm 26.994 mm 30.281 mm 3. HRAS_085 7216 NOAM Z Comp 3232118446.88 mm 139.883 mm 18.245 mm 20.466 mm HRAS_085 7216 U Comp 108.01 mm 108.005 mm 32.376 mm 29.469 mm HRAS_085 7216 E Comp -51.86 mm -51.855 mm 6.444 mm 5.866 mm HRAS_085 7216 N Comp 98.61 mm 98.608 mm 7.547 mm 6.870 mm 4. HRAS_085 CL 0 1984.08.21-18:17:19.176 22536.980 ns 0.234 ns 0.263 ns 5. HRAS_085 CL 1 1984.08.21-18:17:19.176 75.064 D-14 2.089 D-14 2.343 D-14 6. HRAS_085 CL 2 1984.08.21-18:17:19.176 5.574 D-14/day 1.826 D-14/day 2.048 D-14/day 31. HRAS_085 AT 0 1984.08.21-18:17:19.176 -55.349 ps 82.471 ps 92.514 ps HRAS_085 Atm 1984.08.22-06:17:51.360 Avg: -117.940 ps Rms: 45.690 ps Tot_Rms: 126.481 ps || Nat: 86 Dura: 85120.0 sec Tzd_avg: 6901.9 Tzd_rms: 35.2 Wzd_avg: 513.0 Wzd_rms: 45.8 ps Prs_avg: 84278. Pa Tem_avg: 19.9 C Stm_avg: -3.3 C Stm_rms: 1.2 K Spr_avg: 36. Spr_rms: 57. Pa 104. HRAS_085 NG 1984.08.21-18:16:19.176 0.010 mm 0.422 mm 0.473 mm 105. HRAS_085 EG 1984.08.21-18:16:19.176 -0.046 mm 0.422 mm 0.473 mm 106. HRAS_085 NG 1984.08.22-02:16:19.176 -0.005 mm 0.377 mm 0.423 mm 107. HRAS_085 EG 1984.08.22-02:16:19.176 0.021 mm 0.377 mm 0.422 mm 108. HRAS_085 NG 1984.08.22-10:16:19.176 -0.017 mm 0.377 mm 0.423 mm 109. HRAS_085 EG 1984.08.22-10:16:19.176 0.048 mm 0.377 mm 0.422 mm 110. HRAS_085 NG 1984.08.22-18:16:19.176 -0.008 mm 0.422 mm 0.473 mm 111. HRAS_085 EG 1984.08.22-18:16:19.176 0.043 mm 0.422 mm 0.473 mm 112. RICHMOND 7219 NOAM X Comp 961257958.35 mm -60.649 mm 6.644 mm 7.453 mm 113. RICHMOND 7219 NOAM Y Comp -5674089969.84 mm 80.159 mm 17.154 mm 19.243 mm 114. RICHMOND 7219 NOAM Z Comp 2740533798.74 mm 0.741 mm 11.909 mm 13.359 mm RICHMOND 7219 U Comp -80.08 mm -80.080 mm 19.652 mm 17.888 mm RICHMOND 7219 E Comp -46.41 mm -46.408 mm 6.762 mm 6.155 mm RICHMOND 7219 N Comp 39.21 mm 39.213 mm 6.948 mm 6.324 mm 115. RICHMOND CL 0 1984.08.21-18:17:19.176 12679.034 ns 0.150 ns 0.168 ns 116. RICHMOND CL 1 1984.08.21-18:17:19.176 -248.276 D-14 2.091 D-14 2.346 D-14 117. RICHMOND CL 2 1984.08.21-18:17:19.176 6.776 D-14/day 1.823 D-14/day 2.045 D-14/day 142. RICHMOND AT 0 1984.08.21-18:17:19.176 -14.408 ps 69.561 ps 78.032 ps RICHMOND Atm 1984.08.22-06:17:51.360 Avg: -90.607 ps Rms: 44.689 ps Tot_Rms: 101.028 ps || Nat: 89 Dura: 85120.0 sec Tzd_avg: 8738.6 Tzd_rms: 25.2 Wzd_avg: 1043.3 Wzd_rms: 26.8 ps Prs_avg: 101644. Pa Tem_avg: 22.0 C Stm_avg: -6.1 C Stm_rms: 3.4 K Spr_avg: -33. Spr_rms: 74. Pa 215. RICHMOND NG 1984.08.21-18:16:19.176 0.002 mm 0.422 mm 0.473 mm 216. RICHMOND EG 1984.08.21-18:16:19.176 0.050 mm 0.422 mm 0.473 mm 217. RICHMOND NG 1984.08.22-02:16:19.176 0.012 mm 0.377 mm 0.423 mm 218. RICHMOND EG 1984.08.22-02:16:19.176 -0.004 mm 0.376 mm 0.422 mm 219. RICHMOND NG 1984.08.22-10:16:19.176 0.013 mm 0.377 mm 0.423 mm 220. RICHMOND EG 1984.08.22-10:16:19.176 -0.029 mm 0.376 mm 0.422 mm 221. RICHMOND NG 1984.08.22-18:16:19.176 -0.008 mm 0.422 mm 0.473 mm 222. RICHMOND EG 1984.08.22-18:16:19.176 0.019 mm 0.421 mm 0.472 mm 223. WESTFORD 7209 NOAM X Comp 1492206578.29 mm 35.288 mm 6.560 mm 7.358 mm 224. WESTFORD 7209 NOAM Y Comp -4458130411.43 mm 110.569 mm 13.697 mm 15.365 mm 225. WESTFORD 7209 NOAM Z Comp 4296015496.62 mm -50.378 mm 12.758 mm 14.312 mm WESTFORD 7209 U Comp -103.03 mm -103.030 mm 17.725 mm 16.133 mm WESTFORD 7209 E Comp 68.56 mm 68.559 mm 7.358 mm 6.697 mm WESTFORD 7209 N Comp 26.33 mm 26.330 mm 5.010 mm 4.560 mm 226. WESTFORD AT 0 1984.08.21-18:17:19.176 36.518 ps 46.244 ps 51.875 ps WESTFORD Atm 1984.08.22-06:17:51.360 Avg: 17.150 ps Rms: 50.339 ps Tot_Rms: 53.181 ps || Nat: 115 Dura: 85120.0 sec Tzd_avg: 8010.6 Tzd_rms: 19.0 Wzd_avg: 387.8 Wzd_rms: 25.5 ps Prs_avg: 100728. Pa Tem_avg: 19.1 C Stm_avg: -0.0 C Stm_rms: 1.6 K Spr_avg: 164. Spr_rms: 39. Pa 299. WESTFORD NG 1984.08.21-18:16:19.176 -0.034 mm 0.422 mm 0.473 mm 300. WESTFORD EG 1984.08.21-18:16:19.176 0.009 mm 0.421 mm 0.473 mm 301. WESTFORD NG 1984.08.22-02:16:19.176 -0.001 mm 0.377 mm 0.422 mm 302. WESTFORD EG 1984.08.22-02:16:19.176 -0.003 mm 0.376 mm 0.422 mm 303. WESTFORD NG 1984.08.22-10:16:19.176 0.026 mm 0.377 mm 0.422 mm 304. WESTFORD EG 1984.08.22-10:16:19.176 0.022 mm 0.376 mm 0.421 mm 305. WESTFORD NG 1984.08.22-18:16:19.176 0.039 mm 0.422 mm 0.473 mm 306. WESTFORD EG 1984.08.22-18:16:19.176 -0.029 mm 0.421 mm 0.472 mm 307. WETTZELL 7224 EURA X Comp 4075539926.97 mm 85.974 mm 16.459 mm 18.464 mm 308. WETTZELL 7224 EURA Y Comp 931735152.19 mm -161.805 mm 13.336 mm 14.960 mm 309. WETTZELL 7224 EURA Z Comp 4801629302.75 mm -90.246 mm 21.520 mm 24.141 mm WETTZELL 7224 U Comp -37.02 mm -37.023 mm 25.410 mm 23.128 mm WETTZELL 7224 E Comp -176.90 mm -176.896 mm 13.250 mm 12.060 mm WETTZELL 7224 N Comp -95.15 mm -95.151 mm 9.521 mm 8.666 mm 310. WETTZELL CL 0 1984.08.21-18:17:19.176 2157.676 ns 0.188 ns 0.211 ns 311. WETTZELL CL 1 1984.08.21-18:17:19.176 -156.931 D-14 2.142 D-14 2.402 D-14 312. WETTZELL CL 2 1984.08.21-18:17:19.176 1.519 D-14/day 1.912 D-14/day 2.145 D-14/day 337. WETTZELL AT 0 1984.08.21-18:17:19.176 -60.777 ps 64.413 ps 72.257 ps WETTZELL Atm 1984.08.22-06:17:51.360 Avg: -98.755 ps Rms: 28.494 ps Tot_Rms: 102.784 ps || Nat: 75 Dura: 83478.0 sec Tzd_avg: 7493.9 Tzd_rms: 17.0 Wzd_avg: 333.1 Wzd_rms: 12.8 ps Prs_avg: 94961. Pa Tem_avg: 17.7 C Stm_avg: -0.1 C Stm_rms: 1.8 K Spr_avg: 465. Spr_rms: 25. Pa 410. WETTZELL NG 1984.08.21-18:16:19.176 0.013 mm 0.422 mm 0.474 mm 411. WETTZELL EG 1984.08.21-18:16:19.176 0.004 mm 0.422 mm 0.474 mm 412. WETTZELL NG 1984.08.22-02:16:19.176 0.016 mm 0.377 mm 0.423 mm 413. WETTZELL EG 1984.08.22-02:16:19.176 -0.007 mm 0.377 mm 0.423 mm 414. WETTZELL NG 1984.08.22-10:16:19.176 0.011 mm 0.377 mm 0.423 mm 415. WETTZELL EG 1984.08.22-10:16:19.176 -0.008 mm 0.377 mm 0.423 mm 416. WETTZELL NG 1984.08.22-18:16:19.176 -0.010 mm 0.422 mm 0.474 mm 417. WETTZELL EG 1984.08.22-18:16:19.176 0.001 mm 0.422 mm 0.474 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.71 ps/h NRMS 0.31 share 0.91 count 73 2. RICHMOND Input 50.00 ps/h RMS 20.12 ps/h NRMS 0.40 share 0.87 count 73 3. WESTFORD Input 50.00 ps/h RMS 26.74 ps/h NRMS 0.53 share 0.81 count 73 4. WETTZELL Input 50.00 ps/h RMS 11.67 ps/h NRMS 0.23 share 0.89 count 73 Overall RMS 19.38 ps/h NRMS 0.39 share 0.87 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.93 D-14 NRMS 0.59 share 0.26 count 25 2. RICHMOND Input 5.00 D-14 RMS 3.29 D-14 NRMS 0.66 share 0.24 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.84 D-14 NRMS 0.57 share 0.31 count 25 Overall RMS 3.03 D-14 NRMS 0.61 share 0.27 count 75 418. UT1-TAI 1, 1984.08.22-06:07:00.000 -0.7812 ms/d 43.41 micros/d 54.80 micros/d 61.47 micros/d EOP epoch (TDT) MJD: 45934.255234 NUT epoch (TDT) MJD: 45934.270858 419. Nutation DPSI wrt apriori model 1984.08.22-06:06:39.816 -2.952 mas 940.4 microasec 1054.9 microasec Nutation Dx wrt apriori model 1984.08.22-06:06:39.816 -1.174 mas 373.1 microasec 418.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.22-06:06:39.816 -10.874 mas 940.4 microasec 1054.9 microasec 420. Nutation DEPS wrt apriori model 1984.08.22-06:06:39.816 -0.130 mas 294.3 microasec 330.1 microasec Nutation Dy wrt apriori model 1984.08.22-06:06:39.816 -0.134 mas 295.6 microasec 331.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.22-06:06:39.816 -0.452 mas 294.3 microasec 330.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3719 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.22 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632835.76 9.64 2362632835.76 9.64 69.19 5.74 162.17 46.56 HRAS_085 7216 to WESTFORD 7209 3134928036.68 11.91 3134928036.68 11.91 102.56 5.41 225.12 44.35 HRAS_085 7216 to WETTZELL 7224 8417561571.92 34.59 8417561571.92 34.59 285.86 6.92 90.06 42.93 RICHMOND 7219 to WESTFORD 7209 2044501747.90 7.09 2044501747.90 7.09 107.44 4.38 34.37 25.45 RICHMOND 7219 to WETTZELL 7224 7588398539.86 22.08 7588398539.86 22.08 209.63 7.31 -117.01 36.07 WESTFORD 7209 to WETTZELL 7224 5998325375.08 17.36 5998325375.08 17.36 144.99 5.42 -78.25 36.32 NNT_POS: 4 stations participated in NNT_POS constraints: GILCREEK HRAS_085 PENTICTN YELLOWKN NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1746 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:46:58 Correlator type: Unknown Experiment code: nap842 Mark-3 db_name: $84AUG24X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840824_a Ver 2 nap842 Matrix Condition Number = 2.169655717954556E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- ALGOPARK: GION | | GILCREEK: GION | | HRAS_085: GION | | PENTICTN: GION | | YELLOWKN: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for PENTICTN is 5.0 Elevation cut for YELLOWKN is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms ALGOPARK MET 15.9 7.4 994.9 1.4 11.6 27.9 GILCREEK MET 8.1 2.2 953.7 7.3 75.5 14.6 HRAS_085 MET 20.3 3.5 842.0 1.1 52.5 23.1 PENTICTN MET -999.0 0.0 -999.0 0.0-99900.0 0.0 YELLOWKN MET 16.2 3.0 973.2 2.9 0.0 0.0 Run 26091-1746 1570 Observation Pairs Available Session started on: 2445937.249800 1984.08.24 17:59:42.720 UTC Nominal duration: 154872.000 sec 01 19:01:12.000 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 613 26.763 ps 0.90 1.2134 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 620 Number of potentially good observations with QC 5-9: 620 Number of used observations: 613 ( 98.87%) Number of suppressed observations: 7 ( 1.13%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK HRAS_085 164 166 12.797 0.78 19840824_a nap842 1984.08.25-15:30:18.7 BAS_STAT GILCREEK PENTICTN 103 103 109.841 0.91 19840824_a nap842 1984.08.25-15:30:18.7 BAS_STAT GILCREEK YELLOWKN 151 154 46.515 0.91 19840824_a nap842 1984.08.25-15:30:18.7 BAS_STAT HRAS_085 PENTICTN 67 68 154.994 0.97 19840824_a nap842 1984.08.25-15:30:18.7 BAS_STAT HRAS_085 YELLOWKN 128 129 82.583 0.99 19840824_a nap842 1984.08.25-15:30:18.7 BAS_STAT PENTICTN-YELLOWKN No Data Not included: ALGOPARK GILCREEK 0/ 0 deselected baseline 19840824_a nap842 ALGOPARK HRAS_085 0/ 0 deselected baseline 19840824_a nap842 ALGOPARK PENTICTN 0/ 0 deselected baseline 19840824_a nap842 ALGOPARK YELLOWKN 0/ 0 deselected baseline 19840824_a nap842 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 47 47 105 27.846 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 0229+131 J0231+1322 18 18 71 18.396 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 0552+398 J0555+3948 67 68 140 30.313 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 1741-038 J1743-0350 26 26 72 32.269 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 2145+067 J2148+0657 20 20 72 21.112 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 2234+282 J2236+2828 16 18 71 25.225 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 3C273B J1229+0203 65 66 142 17.114 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 3C345 J1642+3948 85 85 203 18.136 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 3C454.3 J2253+1608 50 50 113 21.417 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: 4C39.25 J0927+3902 70 71 192 59.496 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: NRAO150 J0359+5057 50 51 105 38.096 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: OJ287 J0854+2006 72 72 157 38.453 19840824_a nap842 1984.08.25-15:30:18.720 SRC_STAT: VR422201 J2202+4216 27 28 127 35.449 19840824_a nap842 1984.08.25-15:30:18.720 ------------------------------------------------ Parameter adjustments for run 26091-1746 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.25-15:29:46 1. GILCREEK 7225 NOAM X Comp -2281547325.34 mm 58.660 mm 11.703 mm 12.892 mm 2. GILCREEK 7225 NOAM Y Comp -1453645110.16 mm 3.837 mm 19.768 mm 21.775 mm 3. GILCREEK 7225 NOAM Z Comp 5756993239.06 mm 112.060 mm 26.808 mm 29.530 mm GILCREEK 7225 U Comp 79.75 mm 79.746 mm 32.644 mm 29.444 mm GILCREEK 7225 E Comp 28.28 mm 28.284 mm 10.825 mm 9.764 mm GILCREEK 7225 N Comp 94.09 mm 94.094 mm 7.977 mm 7.195 mm 4. GILCREEK AT 0 1984.08.24-17:59:10.536 -49.336 ps 38.694 ps 42.623 ps GILCREEK Atm 1984.08.25-15:29:42.720 Avg: -17.202 ps Rms: 24.493 ps Tot_Rms: 29.930 ps || Nat: 186 Dura: 154870.0 sec Tzd_avg: 7558.3 Tzd_rms: 22.8 Wzd_avg: 348.4 Wzd_rms: 62.6 ps Prs_avg: 95366. Pa Tem_avg: 8.0 C Stm_avg: 1.8 C Stm_rms: 0.9 K Spr_avg: 81. Spr_rms: 93. Pa 134. GILCREEK NG 1984.08.24-17:58:10.536 -0.027 mm 0.421 mm 0.463 mm 135. GILCREEK EG 1984.08.24-17:58:10.536 0.032 mm 0.421 mm 0.464 mm 136. GILCREEK NG 1984.08.25-01:58:10.536 -0.058 mm 0.375 mm 0.413 mm 137. GILCREEK EG 1984.08.25-01:58:10.536 -0.011 mm 0.376 mm 0.414 mm 138. GILCREEK NG 1984.08.25-09:58:10.536 -0.034 mm 0.371 mm 0.409 mm 139. GILCREEK EG 1984.08.25-09:58:10.536 -0.025 mm 0.372 mm 0.409 mm 140. GILCREEK NG 1984.08.25-17:58:10.536 -0.068 mm 0.370 mm 0.408 mm 141. GILCREEK EG 1984.08.25-17:58:10.536 -0.072 mm 0.371 mm 0.409 mm 142. GILCREEK NG 1984.08.26-01:58:10.536 -0.019 mm 0.374 mm 0.412 mm 143. GILCREEK EG 1984.08.26-01:58:10.536 -0.004 mm 0.376 mm 0.414 mm 144. GILCREEK NG 1984.08.26-09:58:10.536 0.042 mm 0.420 mm 0.463 mm 145. GILCREEK EG 1984.08.26-09:58:10.536 -0.036 mm 0.420 mm 0.463 mm 146. HRAS_085 7216 NOAM X Comp -1324211136.22 mm -119.217 mm 11.933 mm 13.145 mm 147. HRAS_085 7216 NOAM Y Comp -5332023189.42 mm -107.424 mm 22.152 mm 24.401 mm 148. HRAS_085 7216 NOAM Z Comp 3232118363.24 mm 56.240 mm 27.288 mm 30.058 mm HRAS_085 7216 U Comp 143.09 mm 143.088 mm 34.298 mm 30.936 mm HRAS_085 7216 E Comp -89.81 mm -89.810 mm 6.814 mm 6.146 mm HRAS_085 7216 N Comp -19.38 mm -19.382 mm 12.448 mm 11.227 mm 149. HRAS_085 CL 0 1984.08.24-17:59:10.536 19582.395 ns 0.115 ns 0.127 ns 150. HRAS_085 CL 1 1984.08.24-17:59:10.536 676.631 D-14 1.539 D-14 1.695 D-14 151. HRAS_085 CL 2 1984.08.24-17:59:10.536 4.147 D-14/day 0.744 D-14/day 0.819 D-14/day 195. HRAS_085 AT 0 1984.08.24-17:59:10.536 41.924 ps 46.835 ps 51.590 ps HRAS_085 Atm 1984.08.25-15:29:42.720 Avg: 23.780 ps Rms: 51.644 ps Tot_Rms: 56.856 ps || Nat: 183 Dura: 154870.0 sec Tzd_avg: 6949.0 Tzd_rms: 43.2 Wzd_avg: 567.6 Wzd_rms: 48.9 ps Prs_avg: 84198. Pa Tem_avg: 20.4 C Stm_avg: -1.7 C Stm_rms: 1.5 K Spr_avg: 32. Spr_rms: 79. Pa 325. HRAS_085 NG 1984.08.24-17:58:10.536 0.017 mm 0.421 mm 0.464 mm 326. HRAS_085 EG 1984.08.24-17:58:10.536 -0.042 mm 0.421 mm 0.463 mm 327. HRAS_085 NG 1984.08.25-01:58:10.536 0.040 mm 0.376 mm 0.414 mm 328. HRAS_085 EG 1984.08.25-01:58:10.536 -0.059 mm 0.376 mm 0.414 mm 329. HRAS_085 NG 1984.08.25-09:58:10.536 0.014 mm 0.372 mm 0.410 mm 330. HRAS_085 EG 1984.08.25-09:58:10.536 -0.030 mm 0.371 mm 0.409 mm 331. HRAS_085 NG 1984.08.25-17:58:10.536 0.030 mm 0.371 mm 0.409 mm 332. HRAS_085 EG 1984.08.25-17:58:10.536 0.074 mm 0.370 mm 0.408 mm 333. HRAS_085 NG 1984.08.26-01:58:10.536 0.008 mm 0.376 mm 0.414 mm 334. HRAS_085 EG 1984.08.26-01:58:10.536 -0.001 mm 0.376 mm 0.414 mm 335. HRAS_085 NG 1984.08.26-09:58:10.536 -0.045 mm 0.421 mm 0.464 mm 336. HRAS_085 EG 1984.08.26-09:58:10.536 -0.029 mm 0.420 mm 0.463 mm 337. PENTICTN 7283 NOAM X Comp -2058840584.00 mm 26.004 mm 33.807 mm 37.239 mm 338. PENTICTN 7283 NOAM Y Comp -3621286478.65 mm 93.349 mm 56.923 mm 62.703 mm 339. PENTICTN 7283 NOAM Z Comp 4814420744.62 mm -123.385 mm 73.244 mm 80.680 mm PENTICTN 7283 U Comp -154.84 mm -154.845 mm 98.149 mm 88.527 mm PENTICTN 7283 E Comp -23.53 mm -23.531 mm 6.469 mm 5.835 mm PENTICTN 7283 N Comp -9.13 mm -9.131 mm 8.526 mm 7.690 mm 340. PENTICTN CL 0 1984.08.24-17:59:10.536 2655.371 ns 0.624 ns 0.688 ns 341. PENTICTN CL 1 1984.08.24-17:59:10.536 488.413 D-14 1.565 D-14 1.723 D-14 342. PENTICTN CL 2 1984.08.24-17:59:10.536 3.118 D-14/day 0.762 D-14/day 0.839 D-14/day 386. PENTICTN AT 0 1984.08.24-17:59:10.536 97.279 ps 212.311 ps 233.868 ps PENTICTN Atm 1984.08.25-15:29:42.720 Avg: 137.957 ps Rms: 55.056 ps Tot_Rms: 148.537 ps || Nat: 175 Dura: 154870.0 sec Tzd_avg: 7580.2 Tzd_rms: 51.4 Wzd_avg: 390.1 Wzd_rms: 51.2 ps Prs_avg: 95117. Pa Tem_avg: 11.5 C Stm_avg: -7.3 C Stm_rms: 4.1 K Spr_avg: 180. Spr_rms: 200. Pa 516. PENTICTN NG 1984.08.24-17:58:10.536 0.006 mm 0.422 mm 0.465 mm 517. PENTICTN EG 1984.08.24-17:58:10.536 -0.003 mm 0.422 mm 0.465 mm 518. PENTICTN NG 1984.08.25-01:58:10.536 0.009 mm 0.377 mm 0.415 mm 519. PENTICTN EG 1984.08.25-01:58:10.536 0.004 mm 0.377 mm 0.415 mm 520. PENTICTN NG 1984.08.25-09:58:10.536 0.009 mm 0.373 mm 0.411 mm 521. PENTICTN EG 1984.08.25-09:58:10.536 -0.022 mm 0.373 mm 0.410 mm 522. PENTICTN NG 1984.08.25-17:58:10.536 0.004 mm 0.373 mm 0.411 mm 523. PENTICTN EG 1984.08.25-17:58:10.536 -0.010 mm 0.373 mm 0.410 mm 524. PENTICTN NG 1984.08.26-01:58:10.536 -0.008 mm 0.377 mm 0.415 mm 525. PENTICTN EG 1984.08.26-01:58:10.536 0.003 mm 0.377 mm 0.415 mm 526. PENTICTN NG 1984.08.26-09:58:10.536 -0.010 mm 0.422 mm 0.465 mm 527. PENTICTN EG 1984.08.26-09:58:10.536 0.016 mm 0.422 mm 0.465 mm 528. YELLOWKN 7285 NOAM X Comp -1224124664.45 mm 34.554 mm 12.843 mm 14.147 mm 529. YELLOWKN 7285 NOAM Y Comp -2689530673.76 mm 10.238 mm 23.698 mm 26.104 mm 530. YELLOWKN 7285 NOAM Z Comp 5633555264.09 mm -44.915 mm 38.138 mm 42.011 mm YELLOWKN 7285 U Comp -50.75 mm -50.752 mm 45.559 mm 41.093 mm YELLOWKN 7285 E Comp 27.21 mm 27.208 mm 3.995 mm 3.603 mm YELLOWKN 7285 N Comp 0.20 mm 0.205 mm 9.460 mm 8.533 mm 531. YELLOWKN CL 0 1984.08.24-17:59:10.536 6349.232 ns 0.217 ns 0.240 ns 532. YELLOWKN CL 1 1984.08.24-17:59:10.536 477.040 D-14 1.546 D-14 1.703 D-14 533. YELLOWKN CL 2 1984.08.24-17:59:10.536 4.836 D-14/day 0.749 D-14/day 0.825 D-14/day 577. YELLOWKN AT 0 1984.08.24-17:59:10.536 -57.575 ps 84.966 ps 93.593 ps YELLOWKN Atm 1984.08.25-15:29:42.720 Avg: 71.913 ps Rms: 58.517 ps Tot_Rms: 92.713 ps || Nat: 184 Dura: 154870.0 sec Tzd_avg: 7774.1 Tzd_rms: 68.5 Wzd_avg: 442.7 Wzd_rms: 53.9 ps Prs_avg: 97325. Pa Tem_avg: 16.3 C Stm_avg: -3.0 C Stm_rms: 2.7 K Spr_avg: 408. Spr_rms: 547. Pa 707. YELLOWKN NG 1984.08.24-17:58:10.536 0.045 mm 0.422 mm 0.465 mm 708. YELLOWKN EG 1984.08.24-17:58:10.536 -0.002 mm 0.421 mm 0.464 mm 709. YELLOWKN NG 1984.08.25-01:58:10.536 0.019 mm 0.376 mm 0.414 mm 710. YELLOWKN EG 1984.08.25-01:58:10.536 0.037 mm 0.376 mm 0.414 mm 711. YELLOWKN NG 1984.08.25-09:58:10.536 -0.004 mm 0.372 mm 0.410 mm 712. YELLOWKN EG 1984.08.25-09:58:10.536 0.028 mm 0.372 mm 0.410 mm 713. YELLOWKN NG 1984.08.25-17:58:10.536 -0.011 mm 0.372 mm 0.410 mm 714. YELLOWKN EG 1984.08.25-17:58:10.536 -0.017 mm 0.372 mm 0.409 mm 715. YELLOWKN NG 1984.08.26-01:58:10.536 -0.019 mm 0.376 mm 0.414 mm 716. YELLOWKN EG 1984.08.26-01:58:10.536 -0.004 mm 0.376 mm 0.414 mm 717. YELLOWKN NG 1984.08.26-09:58:10.536 -0.025 mm 0.421 mm 0.464 mm 718. YELLOWKN EG 1984.08.26-09:58:10.536 -0.007 mm 0.421 mm 0.463 mm Atmosphere Constraint Statistics 2. GILCREEK Input 50.00 ps/h RMS 26.86 ps/h NRMS 0.54 share 0.64 count 130 3. HRAS_085 Input 50.00 ps/h RMS 24.00 ps/h NRMS 0.48 share 0.82 count 130 4. PENTICTN Input 50.00 ps/h RMS 9.04 ps/h NRMS 0.18 share 0.97 count 130 5. YELLOWKN Input 50.00 ps/h RMS 17.04 ps/h NRMS 0.34 share 0.88 count 130 Overall RMS 20.43 ps/h NRMS 0.41 share 0.83 count 520 Gradient Constraint Statistics 2. GILCREEK Input 2.00 mm/d RMS 0.13 mm/d NRMS 0.07 share 0.50 count 12 3. HRAS_085 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.50 count 12 4. PENTICTN Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.51 count 12 5. YELLOWKN Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.50 count 12 Overall RMS 0.10 mm/d NRMS 0.05 share 0.50 count 48 Clock Constraint Statistics 3. HRAS_085 Input 5.00 D-14 RMS 1.66 D-14 NRMS 0.33 share 0.14 count 44 4. PENTICTN Input 5.00 D-14 RMS 4.15 D-14 NRMS 0.83 share 0.50 count 44 5. YELLOWKN Input 5.00 D-14 RMS 4.41 D-14 NRMS 0.88 share 0.22 count 44 Overall RMS 3.62 D-14 NRMS 0.72 share 0.28 count 132 719. UT1-TAI 1, 1984.08.25-15:30:00.000 -1.2680 ms/d -31.12 micros/d 13.01 micros/d 14.34 micros/d EOP epoch (TDT) MJD: 45937.646206 NUT epoch (TDT) MJD: 45937.643419 720. Nutation DPSI wrt apriori model 1984.08.25-15:29:46.536 -0.788 mas 497.4 microasec 547.9 microasec Nutation Dx wrt apriori model 1984.08.25-15:29:46.536 -0.312 mas 197.4 microasec 217.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.25-15:29:46.536 -7.485 mas 497.4 microasec 547.9 microasec 721. Nutation DEPS wrt apriori model 1984.08.25-15:29:46.536 -0.355 mas 134.7 microasec 148.4 microasec Nutation Dy wrt apriori model 1984.08.25-15:29:46.536 -0.356 mas 135.4 microasec 149.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.25-15:29:46.536 -0.406 mas 134.7 microasec 148.4 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2972 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.25 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to HRAS_085 7216 4725812336.86 7.68 4725812336.86 7.68 184.96 1.75 -75.39 18.06 GILCREEK 7225 to PENTICTN 7283 2374175710.07 28.10 2374175710.07 28.10 119.29 7.90 224.07 127.65 GILCREEK 7225 to YELLOWKN 7285 1631193656.11 7.20 1631193656.11 7.20 79.93 4.76 137.11 43.91 HRAS_085 7216 to PENTICTN 7283 2443354527.13 25.79 2443354527.13 25.79 63.74 8.02 298.70 129.11 HRAS_085 7216 to YELLOWKN 7285 3572069874.16 14.58 3572069874.16 14.58 117.71 3.44 182.54 45.30 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:01 Correlator type: Unknown Experiment code: ia199 Mark-3 db_name: $84AUG26XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840826_a Ver 2 ia199 Matrix Condition Number = 1.606806408982766E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 19.7 4.4 843.3 0.6 50.9 1.3 RICHMOND MET 23.8 3.0 1017.2 0.7 67.4 17.3 WESTFORD MET 19.3 2.6 1009.2 0.5 17.7 1.4 WETTZELL MET 14.9 2.7 949.1 1.3 90.3 25.9 Run 26091-1747 410 Observation Pairs Available Session started on: 2445939.247300 1984.08.26 17:56:06.720 UTC Nominal duration: 86641.920 sec 01 00:04:01.920 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 340 46.350 ps 0.91 1.2331 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 351 Number of potentially good observations with QC 5-9: 351 Number of used observations: 340 ( 96.87%) Number of suppressed observations: 11 ( 3.13%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 57 63 24.157 0.70 19840826_a ia199 1984.08.27-05:58:07.6 BAS_STAT HRAS_085 WESTFORD 65 65 56.653 0.98 19840826_a ia199 1984.08.27-05:58:07.6 BAS_STAT HRAS_085 WETTZELL 39 39 75.824 0.94 19840826_a ia199 1984.08.27-05:58:07.6 BAS_STAT RICHMOND WESTFORD 63 65 42.762 0.97 19840826_a ia199 1984.08.27-05:58:07.6 BAS_STAT RICHMOND WETTZELL 36 39 66.804 0.96 19840826_a ia199 1984.08.27-05:58:07.6 BAS_STAT WESTFORD WETTZELL 80 80 59.360 0.91 19840826_a ia199 1984.08.27-05:58:07.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 14 16 18 56.186 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 0212+735 J0217+7349 23 23 41 67.709 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 0229+131 J0231+1322 22 25 26 34.375 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 0528+134 J0530+1331 29 29 31 39.790 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 0552+398 J0555+3948 33 33 35 38.260 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 1803+784 J1800+7828 24 24 24 64.301 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 2134+00 J2136+0041 22 23 23 50.989 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 3C273B J1229+0203 21 21 22 25.796 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 3C345 J1642+3948 25 25 34 41.470 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 3C454.3 J2253+1608 20 20 21 36.598 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: 4C39.25 J0927+3902 27 29 40 61.653 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: OJ287 J0854+2006 32 35 38 70.432 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: OQ208 J1407+2827 28 28 31 70.644 19840826_a ia199 1984.08.27-05:58:07.680 SRC_STAT: VR422201 J2202+4216 20 20 26 58.651 19840826_a ia199 1984.08.27-05:58:07.680 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.27-05:57:35 1. HRAS_085 7216 NOAM X Comp -1324211055.16 mm -38.162 mm 8.691 mm 9.651 mm 2. HRAS_085 7216 NOAM Y Comp -5332023077.96 mm 4.041 mm 26.148 mm 29.035 mm 3. HRAS_085 7216 NOAM Z Comp 3232118438.88 mm 131.884 mm 18.285 mm 20.304 mm HRAS_085 7216 U Comp 71.75 mm 71.748 mm 31.413 mm 28.673 mm HRAS_085 7216 E Comp -38.01 mm -38.011 mm 6.832 mm 6.236 mm HRAS_085 7216 N Comp 110.79 mm 110.786 mm 7.754 mm 7.078 mm 4. HRAS_085 CL 0 1984.08.26-17:55:34.536 22879.626 ns 0.223 ns 0.248 ns 5. HRAS_085 CL 1 1984.08.26-17:55:34.536 69.523 D-14 2.100 D-14 2.332 D-14 6. HRAS_085 CL 2 1984.08.26-17:55:34.536 5.326 D-14/day 1.817 D-14/day 2.017 D-14/day 32. HRAS_085 AT 0 1984.08.26-17:55:34.536 12.173 ps 73.981 ps 82.150 ps HRAS_085 Atm 1984.08.27-06:26:06.720 Avg: 29.134 ps Rms: 15.812 ps Tot_Rms: 33.148 ps || Nat: 86 Dura: 86182.0 sec Tzd_avg: 6896.9 Tzd_rms: 53.4 Wzd_avg: 501.4 Wzd_rms: 54.0 ps Prs_avg: 84328. Pa Tem_avg: 19.9 C Stm_avg: -2.1 C Stm_rms: 1.4 K Spr_avg: 4. Spr_rms: 70. Pa 108. HRAS_085 NG 1984.08.26-17:54:34.536 -0.001 mm 0.422 mm 0.468 mm 109. HRAS_085 EG 1984.08.26-17:54:34.536 0.007 mm 0.422 mm 0.468 mm 110. HRAS_085 NG 1984.08.27-01:54:34.536 -0.001 mm 0.377 mm 0.419 mm 111. HRAS_085 EG 1984.08.27-01:54:34.536 0.036 mm 0.377 mm 0.418 mm 112. HRAS_085 NG 1984.08.27-09:54:34.536 -0.016 mm 0.377 mm 0.418 mm 113. HRAS_085 EG 1984.08.27-09:54:34.536 0.015 mm 0.377 mm 0.418 mm 114. HRAS_085 NG 1984.08.27-17:54:34.536 -0.012 mm 0.422 mm 0.468 mm 115. HRAS_085 EG 1984.08.27-17:54:34.536 -0.035 mm 0.422 mm 0.468 mm 116. RICHMOND 7219 NOAM X Comp 961257965.62 mm -53.381 mm 7.143 mm 7.931 mm 117. RICHMOND 7219 NOAM Y Comp -5674089991.50 mm 58.497 mm 20.648 mm 22.929 mm 118. RICHMOND 7219 NOAM Z Comp 2740533807.07 mm 9.075 mm 12.775 mm 14.186 mm RICHMOND 7219 U Comp -56.12 mm -56.124 mm 23.347 mm 21.311 mm RICHMOND 7219 E Comp -42.86 mm -42.860 mm 6.928 mm 6.324 mm RICHMOND 7219 N Comp 36.97 mm 36.971 mm 6.892 mm 6.291 mm 119. RICHMOND CL 0 1984.08.26-17:55:34.536 11717.499 ns 0.203 ns 0.226 ns 120. RICHMOND CL 1 1984.08.26-17:55:34.536 -213.490 D-14 2.146 D-14 2.383 D-14 121. RICHMOND CL 2 1984.08.26-17:55:34.536 6.148 D-14/day 1.844 D-14/day 2.048 D-14/day 147. RICHMOND AT 0 1984.08.26-17:55:34.536 109.345 ps 73.712 ps 81.852 ps RICHMOND Atm 1984.08.27-06:26:06.720 Avg: -7.893 ps Rms: 81.891 ps Tot_Rms: 82.271 ps || Nat: 88 Dura: 83908.0 sec Tzd_avg: 8659.1 Tzd_rms: 55.0 Wzd_avg: 956.5 Wzd_rms: 58.0 ps Prs_avg: 101719. Pa Tem_avg: 23.7 C Stm_avg: -3.9 C Stm_rms: 3.1 K Spr_avg: -15. Spr_rms: 65. Pa 223. RICHMOND NG 1984.08.26-17:54:34.536 -0.010 mm 0.422 mm 0.468 mm 224. RICHMOND EG 1984.08.26-17:54:34.536 -0.026 mm 0.422 mm 0.468 mm 225. RICHMOND NG 1984.08.27-01:54:34.536 -0.001 mm 0.377 mm 0.418 mm 226. RICHMOND EG 1984.08.27-01:54:34.536 -0.042 mm 0.376 mm 0.418 mm 227. RICHMOND NG 1984.08.27-09:54:34.536 0.013 mm 0.377 mm 0.418 mm 228. RICHMOND EG 1984.08.27-09:54:34.536 -0.002 mm 0.376 mm 0.418 mm 229. RICHMOND NG 1984.08.27-17:54:34.536 0.004 mm 0.422 mm 0.468 mm 230. RICHMOND EG 1984.08.27-17:54:34.536 0.032 mm 0.421 mm 0.468 mm 231. WESTFORD 7209 NOAM X Comp 1492206578.00 mm 35.001 mm 6.582 mm 7.309 mm 232. WESTFORD 7209 NOAM Y Comp -4458130414.34 mm 107.658 mm 14.429 mm 16.022 mm 233. WESTFORD 7209 NOAM Z Comp 4296015509.55 mm -37.453 mm 12.733 mm 14.139 mm WESTFORD 7209 U Comp -92.31 mm -92.315 mm 18.262 mm 16.669 mm WESTFORD 7209 E Comp 67.36 mm 67.362 mm 7.203 mm 6.575 mm WESTFORD 7209 N Comp 34.03 mm 34.035 mm 5.317 mm 4.854 mm 234. WESTFORD AT 0 1984.08.26-17:55:34.536 -72.359 ps 41.917 ps 46.546 ps WESTFORD Atm 1984.08.27-06:26:06.720 Avg: -40.324 ps Rms: 29.512 ps Tot_Rms: 49.970 ps || Nat: 136 Dura: 85960.0 sec Tzd_avg: 8088.3 Tzd_rms: 20.2 Wzd_avg: 454.5 Wzd_rms: 20.6 ps Prs_avg: 100920. Pa Tem_avg: 19.4 C Stm_avg: -0.7 C Stm_rms: 1.1 K Spr_avg: 179. Spr_rms: 42. Pa 310. WESTFORD NG 1984.08.26-17:54:34.536 0.023 mm 0.422 mm 0.468 mm 311. WESTFORD EG 1984.08.26-17:54:34.536 0.032 mm 0.421 mm 0.467 mm 312. WESTFORD NG 1984.08.27-01:54:34.536 -0.006 mm 0.377 mm 0.418 mm 313. WESTFORD EG 1984.08.27-01:54:34.536 -0.011 mm 0.376 mm 0.417 mm 314. WESTFORD NG 1984.08.27-09:54:34.536 -0.000 mm 0.377 mm 0.418 mm 315. WESTFORD EG 1984.08.27-09:54:34.536 -0.018 mm 0.376 mm 0.418 mm 316. WESTFORD NG 1984.08.27-17:54:34.536 -0.005 mm 0.421 mm 0.468 mm 317. WESTFORD EG 1984.08.27-17:54:34.536 0.003 mm 0.421 mm 0.467 mm 318. WETTZELL 7224 EURA X Comp 4075539897.54 mm 56.542 mm 16.318 mm 18.120 mm 319. WETTZELL 7224 EURA Y Comp 931735143.80 mm -170.196 mm 12.979 mm 14.412 mm 320. WETTZELL 7224 EURA Z Comp 4801629289.49 mm -103.506 mm 20.591 mm 22.865 mm WETTZELL 7224 U Comp -67.04 mm -67.044 mm 24.920 mm 22.747 mm WETTZELL 7224 E Comp -178.52 mm -178.517 mm 12.676 mm 11.571 mm WETTZELL 7224 N Comp -80.71 mm -80.710 mm 8.776 mm 8.011 mm 321. WETTZELL CL 0 1984.08.26-17:55:34.536 1440.104 ns 0.191 ns 0.212 ns 322. WETTZELL CL 1 1984.08.26-17:55:34.536 -186.154 D-14 2.143 D-14 2.379 D-14 323. WETTZELL CL 2 1984.08.26-17:55:34.536 0.840 D-14/day 1.875 D-14/day 2.082 D-14/day 349. WETTZELL AT 0 1984.08.26-17:55:34.536 -32.024 ps 36.599 ps 40.640 ps WETTZELL Atm 1984.08.27-06:26:06.720 Avg: -52.012 ps Rms: 56.853 ps Tot_Rms: 77.055 ps || Nat: 100 Dura: 86642.0 sec Tzd_avg: 7554.6 Tzd_rms: 32.1 Wzd_avg: 401.7 Wzd_rms: 42.7 ps Prs_avg: 94896. Pa Tem_avg: 14.7 C Stm_avg: -0.1 C Stm_rms: 0.8 K Spr_avg: 474. Spr_rms: 29. Pa 425. WETTZELL NG 1984.08.26-17:54:34.536 0.001 mm 0.422 mm 0.469 mm 426. WETTZELL EG 1984.08.26-17:54:34.536 -0.014 mm 0.422 mm 0.469 mm 427. WETTZELL NG 1984.08.27-01:54:34.536 -0.004 mm 0.377 mm 0.419 mm 428. WETTZELL EG 1984.08.27-01:54:34.536 0.018 mm 0.377 mm 0.419 mm 429. WETTZELL NG 1984.08.27-09:54:34.536 -0.004 mm 0.377 mm 0.419 mm 430. WETTZELL EG 1984.08.27-09:54:34.536 -0.001 mm 0.377 mm 0.419 mm 431. WETTZELL NG 1984.08.27-17:54:34.536 -0.006 mm 0.422 mm 0.469 mm 432. WETTZELL EG 1984.08.27-17:54:34.536 -0.015 mm 0.422 mm 0.469 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.73 ps/h NRMS 0.23 share 0.90 count 76 2. RICHMOND Input 50.00 ps/h RMS 20.52 ps/h NRMS 0.41 share 0.90 count 76 3. WESTFORD Input 50.00 ps/h RMS 21.41 ps/h NRMS 0.43 share 0.82 count 76 4. WETTZELL Input 50.00 ps/h RMS 19.80 ps/h NRMS 0.40 share 0.87 count 76 Overall RMS 18.77 ps/h NRMS 0.38 share 0.87 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.66 D-14 NRMS 0.53 share 0.34 count 26 2. RICHMOND Input 5.00 D-14 RMS 2.29 D-14 NRMS 0.46 share 0.29 count 26 4. WETTZELL Input 5.00 D-14 RMS 3.01 D-14 NRMS 0.60 share 0.32 count 26 Overall RMS 2.67 D-14 NRMS 0.53 share 0.31 count 78 433. UT1-TAI 1, 1984.08.27-05:58:00.000 -1.7083 ms/d 76.97 micros/d 48.37 micros/d 53.71 micros/d EOP epoch (TDT) MJD: 45939.248984 NUT epoch (TDT) MJD: 45939.267022 434. Nutation DPSI wrt apriori model 1984.08.27-05:57:35.496 -2.444 mas 944.7 microasec 1049.0 microasec Nutation Dx wrt apriori model 1984.08.27-05:57:35.496 -0.971 mas 374.9 microasec 416.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.27-05:57:35.496 -9.070 mas 944.7 microasec 1049.0 microasec 435. Nutation DEPS wrt apriori model 1984.08.27-05:57:35.496 -0.289 mas 272.1 microasec 302.2 microasec Nutation Dy wrt apriori model 1984.08.27-05:57:35.496 -0.293 mas 273.4 microasec 303.6 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.27-05:57:35.496 -0.009 mas 272.1 microasec 302.2 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3364 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632825.58 9.69 2362632825.58 9.69 83.93 6.20 105.95 48.83 HRAS_085 7216 to WESTFORD 7209 3134928013.35 11.03 3134928013.35 11.03 97.08 5.56 184.28 43.47 HRAS_085 7216 to WETTZELL 7224 8417561506.88 32.97 8417561506.88 32.97 271.72 6.76 90.45 41.10 RICHMOND 7219 to WESTFORD 7209 2044501760.58 7.64 2044501760.58 7.64 98.86 4.68 48.35 30.75 RICHMOND 7219 to WETTZELL 7224 7588398530.48 24.87 7588398530.48 24.87 192.59 7.26 -76.87 36.81 WESTFORD 7209 to WETTZELL 7224 5998325355.40 18.99 5998325355.40 18.99 139.89 5.10 -44.32 34.74 NNT_POS: 4 stations participated in NNT_POS constraints: ALGOPARK GILCREEK HRAS_085 WESTFORD NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:04 Correlator type: Unknown Experiment code: nap843 Mark-3 db_name: $84AUG28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840828_a Ver 2 nap843 Matrix Condition Number = 1.125477565257333E+07 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- ALGOPARK: GION | | GILCREEK: GION | | HRAS_085: GION | | WESTFORD: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for ALGOPARK is 5.0 Elevation cut for GILCREEK is 5.0 Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms ALGOPARK MET 20.2 3.5 982.9 0.4 24.1 27.5 GILCREEK MET 3.5 3.7 983.0 1.3 53.1 4.6 HRAS_085 MET 22.5 5.0 841.9 0.8 43.2 0.7 WESTFORD MET 23.3 2.2 1003.9 0.9 20.1 6.0 Run 26091-1747 1019 Observation Pairs Available Session started on: 2445941.251400 1984.08.28 18:02:00.960 UTC Nominal duration: 106297.920 sec 01 05:31:37.920 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 898 24.453 ps 1.25 2.1902 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 913 Number of potentially good observations with QC 5-9: 913 Number of used observations: 898 ( 98.36%) Number of suppressed observations: 15 ( 1.64%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps ALGOPARK GILCREEK 132 134 15.656 1.14 19840828_a nap843 1984.08.29-08:47:49.9 BAS_STAT ALGOPARK HRAS_085 157 157 21.973 1.28 19840828_a nap843 1984.08.29-08:47:49.9 BAS_STAT ALGOPARK WESTFORD 149 155 17.786 0.97 19840828_a nap843 1984.08.29-08:47:49.9 BAS_STAT GILCREEK HRAS_085 160 160 27.218 1.40 19840828_a nap843 1984.08.29-08:47:49.9 BAS_STAT GILCREEK WESTFORD 128 133 39.428 1.35 19840828_a nap843 1984.08.29-08:47:49.9 BAS_STAT HRAS_085 WESTFORD 172 174 55.062 1.28 19840828_a nap843 1984.08.29-08:47:49.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 33 33 33 20.978 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 0229+131 J0231+1322 38 39 42 24.974 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 0234+285 J0237+2848 60 61 69 32.233 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 0300+470 J0303+4716 44 45 58 31.584 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 0552+398 J0555+3948 89 90 104 21.043 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 1144+402 J1146+3958 118 120 134 29.304 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 1548+056 J1550+0527 62 62 69 31.600 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 1741-038 J1743-0350 14 14 30 39.737 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 2145+067 J2148+0657 44 44 48 30.519 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 2234+282 J2236+2828 44 46 51 27.489 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 3C273B J1229+0203 91 92 96 20.411 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 3C345 J1642+3948 110 113 120 20.617 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: 3C454.3 J2253+1608 53 54 54 23.171 19840828_a nap843 1984.08.29-08:47:49.920 SRC_STAT: OJ287 J0854+2006 98 100 111 28.879 19840828_a nap843 1984.08.29-08:47:49.920 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.29-08:47:17 1. ALGOPARK 7282 NOAM X Comp 918034691.00 mm -6.005 mm 1.408 mm 2.084 mm 2. ALGOPARK 7282 NOAM Y Comp -4346132264.02 mm 22.983 mm 5.126 mm 7.587 mm 3. ALGOPARK 7282 NOAM Z Comp 4561971095.22 mm -82.783 mm 4.442 mm 6.574 mm ALGOPARK 7282 U Comp -76.00 mm -76.000 mm 6.466 mm 8.072 mm ALGOPARK 7282 E Comp -1.13 mm -1.125 mm 1.907 mm 2.380 mm ALGOPARK 7282 N Comp -40.50 mm -40.496 mm 1.598 mm 1.995 mm 4. ALGOPARK CL 0 1984.08.28-18:01:28.776 16632.260 ns 0.059 ns 0.087 ns 5. ALGOPARK CL 1 1984.08.28-18:01:28.776 235.142 D-14 1.832 D-14 2.712 D-14 6. ALGOPARK CL 2 1984.08.28-18:01:28.776 16.212 D-14/day 1.273 D-14/day 1.884 D-14/day 37. ALGOPARK AT 0 1984.08.28-18:01:28.776 167.258 ps 24.704 ps 36.560 ps ALGOPARK Atm 1984.08.29-09:02:00.960 Avg: -15.881 ps Rms: 72.959 ps Tot_Rms: 74.667 ps || Nat: 170 Dura: 105880.0 sec Tzd_avg: 8213.8 Tzd_rms: 67.8 Wzd_avg: 802.1 Wzd_rms: 70.8 ps Prs_avg: 98287. Pa Tem_avg: 20.2 C Stm_avg: -1.7 C Stm_rms: 1.7 K Spr_avg: 279. Spr_rms: 66. Pa 128. ALGOPARK NG 1984.08.28-18:00:28.776 -0.039 mm 0.417 mm 0.618 mm 129. ALGOPARK EG 1984.08.28-18:00:28.776 0.035 mm 0.413 mm 0.611 mm 130. ALGOPARK NG 1984.08.29-02:00:28.776 0.164 mm 0.371 mm 0.549 mm 131. ALGOPARK EG 1984.08.29-02:00:28.776 -0.036 mm 0.370 mm 0.548 mm 132. ALGOPARK NG 1984.08.29-10:00:28.776 0.123 mm 0.368 mm 0.545 mm 133. ALGOPARK EG 1984.08.29-10:00:28.776 0.049 mm 0.366 mm 0.542 mm 134. ALGOPARK NG 1984.08.29-18:00:28.776 -0.166 mm 0.371 mm 0.550 mm 135. ALGOPARK EG 1984.08.29-18:00:28.776 0.004 mm 0.367 mm 0.543 mm 136. ALGOPARK NG 1984.08.30-02:00:28.776 -0.242 mm 0.418 mm 0.618 mm 137. ALGOPARK EG 1984.08.30-02:00:28.776 0.040 mm 0.417 mm 0.617 mm 138. GILCREEK 7225 NOAM X Comp -2281547268.35 mm 115.654 mm 1.977 mm 2.926 mm 139. GILCREEK 7225 NOAM Y Comp -1453645048.26 mm 65.735 mm 4.818 mm 7.131 mm 140. GILCREEK 7225 NOAM Z Comp 5756993227.46 mm 100.464 mm 5.625 mm 8.325 mm GILCREEK 7225 U Comp 34.84 mm 34.840 mm 6.491 mm 8.103 mm GILCREEK 7225 E Comp 6.71 mm 6.706 mm 3.640 mm 4.544 mm GILCREEK 7225 N Comp 162.88 mm 162.884 mm 1.840 mm 2.297 mm 141. GILCREEK CL 0 1984.08.28-18:01:28.776 1227.671 ns 0.070 ns 0.104 ns 142. GILCREEK CL 1 1984.08.28-18:01:28.776 -636.555 D-14 1.839 D-14 2.721 D-14 143. GILCREEK CL 2 1984.08.28-18:01:28.776 -2.431 D-14/day 1.278 D-14/day 1.891 D-14/day 174. GILCREEK AT 0 1984.08.28-18:01:28.776 -1.208 ps 26.490 ps 39.204 ps GILCREEK Atm 1984.08.29-09:02:00.960 Avg: -16.740 ps Rms: 16.189 ps Tot_Rms: 23.287 ps || Nat: 173 Dura: 106300.0 sec Tzd_avg: 7594.7 Tzd_rms: 14.9 Wzd_avg: 151.4 Wzd_rms: 10.7 ps Prs_avg: 98293. Pa Tem_avg: 3.5 C Stm_avg: 1.1 C Stm_rms: 2.2 K Spr_avg: 13. Spr_rms: 44. Pa 265. GILCREEK NG 1984.08.28-18:00:28.776 -0.017 mm 0.421 mm 0.622 mm 266. GILCREEK EG 1984.08.28-18:00:28.776 0.031 mm 0.421 mm 0.622 mm 267. GILCREEK NG 1984.08.29-02:00:28.776 0.069 mm 0.373 mm 0.552 mm 268. GILCREEK EG 1984.08.29-02:00:28.776 0.077 mm 0.375 mm 0.555 mm 269. GILCREEK NG 1984.08.29-10:00:28.776 0.176 mm 0.369 mm 0.546 mm 270. GILCREEK EG 1984.08.29-10:00:28.776 0.122 mm 0.372 mm 0.550 mm 271. GILCREEK NG 1984.08.29-18:00:28.776 -0.024 mm 0.375 mm 0.555 mm 272. GILCREEK EG 1984.08.29-18:00:28.776 -0.037 mm 0.375 mm 0.555 mm 273. GILCREEK NG 1984.08.30-02:00:28.776 -0.078 mm 0.421 mm 0.622 mm 274. GILCREEK EG 1984.08.30-02:00:28.776 -0.095 mm 0.421 mm 0.623 mm 275. HRAS_085 7216 NOAM X Comp -1324211111.85 mm -94.847 mm 2.825 mm 4.181 mm 276. HRAS_085 7216 NOAM Y Comp -5332023158.96 mm -76.964 mm 10.177 mm 15.061 mm 277. HRAS_085 7216 NOAM Z Comp 3232118386.19 mm 79.193 mm 6.251 mm 9.251 mm HRAS_085 7216 U Comp 124.29 mm 124.295 mm 12.085 mm 15.086 mm HRAS_085 7216 E Comp -73.50 mm -73.500 mm 1.391 mm 1.736 mm HRAS_085 7216 N Comp 18.42 mm 18.425 mm 1.628 mm 2.033 mm 278. HRAS_085 CL 0 1984.08.28-18:01:28.776 23210.689 ns 0.099 ns 0.147 ns 279. HRAS_085 CL 1 1984.08.28-18:01:28.776 74.929 D-14 1.837 D-14 2.718 D-14 280. HRAS_085 CL 2 1984.08.28-18:01:28.776 1.917 D-14/day 1.279 D-14/day 1.893 D-14/day 311. HRAS_085 AT 0 1984.08.28-18:01:28.776 -77.090 ps 41.464 ps 61.364 ps HRAS_085 Atm 1984.08.29-09:02:00.960 Avg: -30.038 ps Rms: 44.832 ps Tot_Rms: 53.965 ps || Nat: 176 Dura: 106300.0 sec Tzd_avg: 6902.3 Tzd_rms: 47.0 Wzd_avg: 519.3 Wzd_rms: 47.6 ps Prs_avg: 84195. Pa Tem_avg: 22.6 C Stm_avg: -3.6 C Stm_rms: 1.8 K Spr_avg: 28. Spr_rms: 50. Pa 402. HRAS_085 NG 1984.08.28-18:00:28.776 -0.025 mm 0.416 mm 0.616 mm 403. HRAS_085 EG 1984.08.28-18:00:28.776 -0.048 mm 0.415 mm 0.614 mm 404. HRAS_085 NG 1984.08.29-02:00:28.776 -0.265 mm 0.371 mm 0.549 mm 405. HRAS_085 EG 1984.08.29-02:00:28.776 0.081 mm 0.371 mm 0.550 mm 406. HRAS_085 NG 1984.08.29-10:00:28.776 -0.256 mm 0.369 mm 0.547 mm 407. HRAS_085 EG 1984.08.29-10:00:28.776 -0.128 mm 0.368 mm 0.545 mm 408. HRAS_085 NG 1984.08.29-18:00:28.776 0.211 mm 0.370 mm 0.548 mm 409. HRAS_085 EG 1984.08.29-18:00:28.776 -0.018 mm 0.370 mm 0.548 mm 410. HRAS_085 NG 1984.08.30-02:00:28.776 0.278 mm 0.418 mm 0.618 mm 411. HRAS_085 EG 1984.08.30-02:00:28.776 0.047 mm 0.418 mm 0.619 mm 412. WESTFORD 7209 NOAM X Comp 1492206528.20 mm -14.802 mm 1.691 mm 2.502 mm 413. WESTFORD 7209 NOAM Y Comp -4458130533.75 mm -11.754 mm 5.838 mm 8.639 mm 414. WESTFORD 7209 NOAM Z Comp 4296015450.13 mm -96.874 mm 4.900 mm 7.252 mm WESTFORD 7209 U Comp -60.84 mm -60.843 mm 7.179 mm 8.962 mm WESTFORD 7209 E Comp -17.77 mm -17.767 mm 2.518 mm 3.144 mm WESTFORD 7209 N Comp -75.66 mm -75.659 mm 1.753 mm 2.189 mm 415. WESTFORD AT 0 1984.08.28-18:01:28.776 68.250 ps 22.187 ps 32.835 ps WESTFORD Atm 1984.08.29-09:02:00.960 Avg: -47.933 ps Rms: 63.477 ps Tot_Rms: 79.542 ps || Nat: 178 Dura: 106300.0 sec Tzd_avg: 8332.3 Tzd_rms: 158.8 Wzd_avg: 749.2 Wzd_rms: 165.1 ps Prs_avg: 100388. Pa Tem_avg: 23.3 C Stm_avg: 1.3 C Stm_rms: 1.7 K Spr_avg: 181. Spr_rms: 53. Pa 506. WESTFORD NG 1984.08.28-18:00:28.776 0.059 mm 0.419 mm 0.620 mm 507. WESTFORD EG 1984.08.28-18:00:28.776 0.024 mm 0.417 mm 0.618 mm 508. WESTFORD NG 1984.08.29-02:00:28.776 0.067 mm 0.372 mm 0.551 mm 509. WESTFORD EG 1984.08.29-02:00:28.776 -0.070 mm 0.373 mm 0.552 mm 510. WESTFORD NG 1984.08.29-10:00:28.776 -0.001 mm 0.370 mm 0.548 mm 511. WESTFORD EG 1984.08.29-10:00:28.776 -0.072 mm 0.370 mm 0.548 mm 512. WESTFORD NG 1984.08.29-18:00:28.776 -0.063 mm 0.374 mm 0.553 mm 513. WESTFORD EG 1984.08.29-18:00:28.776 0.110 mm 0.372 mm 0.550 mm 514. WESTFORD NG 1984.08.30-02:00:28.776 -0.055 mm 0.420 mm 0.621 mm 515. WESTFORD EG 1984.08.30-02:00:28.776 0.065 mm 0.420 mm 0.621 mm Atmosphere Constraint Statistics 1. ALGOPARK Input 50.00 ps/h RMS 53.14 ps/h NRMS 1.06 share 0.54 count 91 2. GILCREEK Input 50.00 ps/h RMS 32.69 ps/h NRMS 0.65 share 0.47 count 91 3. HRAS_085 Input 50.00 ps/h RMS 36.86 ps/h NRMS 0.74 share 0.66 count 91 4. WESTFORD Input 50.00 ps/h RMS 35.11 ps/h NRMS 0.70 share 0.58 count 91 Overall RMS 40.26 ps/h NRMS 0.81 share 0.56 count 364 Gradient Constraint Statistics 1. ALGOPARK Input 2.00 mm/d RMS 0.41 mm/d NRMS 0.20 share 0.50 count 10 2. GILCREEK Input 2.00 mm/d RMS 0.33 mm/d NRMS 0.16 share 0.51 count 10 3. HRAS_085 Input 2.00 mm/d RMS 0.63 mm/d NRMS 0.32 share 0.50 count 10 4. WESTFORD Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.51 count 10 Overall RMS 0.43 mm/d NRMS 0.21 share 0.51 count 40 Clock Constraint Statistics 1. ALGOPARK Input 5.00 D-14 RMS 3.18 D-14 NRMS 0.64 share 0.12 count 31 2. GILCREEK Input 5.00 D-14 RMS 1.98 D-14 NRMS 0.40 share 0.13 count 31 3. HRAS_085 Input 5.00 D-14 RMS 2.39 D-14 NRMS 0.48 share 0.13 count 31 Overall RMS 2.56 D-14 NRMS 0.51 share 0.13 count 93 516. UT1-TAI 1, 1984.08.29-08:47:00.000 -2.1143 ms/d 18.23 micros/d 10.63 micros/d 15.74 micros/d EOP epoch (TDT) MJD: 45941.366345 NUT epoch (TDT) MJD: 45941.371649 517. Nutation DPSI wrt apriori model 1984.08.29-08:47:17.736 -0.022 mas 337.4 microasec 499.3 microasec Nutation Dx wrt apriori model 1984.08.29-08:47:17.736 -0.007 mas 133.9 microasec 198.2 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.29-08:47:17.736 -7.362 mas 337.4 microasec 499.3 microasec 518. Nutation DEPS wrt apriori model 1984.08.29-08:47:17.736 -0.420 mas 88.6 microasec 131.1 microasec Nutation Dy wrt apriori model 1984.08.29-08:47:17.736 -0.420 mas 89.1 microasec 131.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.29-08:47:17.736 -0.301 mas 88.6 microasec 131.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 2.2677 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) ALGOPARK 7282 to GILCREEK 7225 4475699376.01 3.40 4475699376.01 3.40 186.38 1.84 -123.95 9.94 ALGOPARK 7282 to HRAS_085 7216 2787141066.54 4.21 2787141066.54 4.21 100.30 1.77 -182.17 16.65 ALGOPARK 7282 to WESTFORD 7209 642611325.93 2.00 642611325.93 2.00 36.18 2.13 -12.56 9.49 GILCREEK 7225 to HRAS_085 7216 4725812337.60 6.77 4725812337.60 6.77 202.37 1.51 -129.64 15.86 GILCREEK 7225 to WESTFORD 7209 5040099881.48 4.00 5040099881.48 4.00 217.06 2.49 121.73 10.86 HRAS_085 7216 to WESTFORD 7209 3134928006.54 4.68 3134928006.54 4.68 125.77 2.27 157.86 17.21 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK HAYSTACK KASHIMA MOJAVE12 WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:07 Correlator type: Unknown Experiment code: pol841 Mark-3 db_name: $84AUG30X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840830_a Ver 2 pol841 Matrix Condition Number = 7.352098774645491E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | HAYSTACK: GION | | KASHIMA : GION | | MOJAVE12: GION | | ONSALA85: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for KASHIMA is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 5.1 3.2 981.8 1.3 62.6 17.5 HAYSTACK MET 23.8 1.9 998.3 2.2 56.6 14.3 KASHIMA MET 24.2 3.1 1007.1 0.8 78.1 4.6 MOJAVE12 MET 29.5 4.8 910.0 1.8 31.0 14.6 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 WETTZELL MET 16.7 2.4 951.9 0.3 77.7 12.5 Run 26091-1747 725 Observation Pairs Available Session started on: 2445942.758800 1984.08.30 06:12:40.320 UTC Nominal duration: 107101.440 sec 01 05:45:01.440 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 634 26.437 ps 1.14 2.2612 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 663 Number of potentially good observations with QC 5-9: 663 Number of used observations: 634 ( 95.63%) Number of suppressed observations: 29 ( 4.37%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK HAYSTACK 83 87 25.149 1.28 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT GILCREEK KASHIMA 72 76 18.312 1.09 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT GILCREEK MOJAVE12 94 95 16.032 0.86 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT GILCREEK-ONSALA85 No Data GILCREEK WETTZELL 37 38 29.864 1.32 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT HAYSTACK KASHIMA 38 41 45.528 1.48 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT HAYSTACK MOJAVE12 77 81 32.951 1.19 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT HAYSTACK WETTZELL 72 73 25.877 0.98 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT KASHIMA MOJAVE12 62 64 59.927 1.05 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT KASHIMA WETTZELL 58 67 31.141 1.13 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT MOJAVE12 WETTZELL 41 41 54.347 1.22 19840830_a pol841 1984.08.30-21:05:11.0 BAS_STAT Not included: HAYSTACK ONSALA85 0/ 0 deselected baseline 19840830_a pol841 KASHIMA ONSALA85 0/ 0 deselected baseline 19840830_a pol841 MOJAVE12 ONSALA85 0/ 0 deselected baseline 19840830_a pol841 ONSALA85 WETTZELL 0/ 0 deselected baseline 19840830_a pol841 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 22 23 30 16.002 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 0229+131 J0231+1322 36 36 36 25.396 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 0420-014 J0423-0120 28 28 33 17.100 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 0552+398 J0555+3948 50 53 59 20.621 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 1144+402 J1146+3958 31 37 39 44.334 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 1502+106 J1504+1029 48 48 51 29.035 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 1749+096 J1751+0939 36 38 40 24.747 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 1803+784 J1800+7828 202 203 211 27.158 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 2145+067 J2148+0657 18 19 29 27.431 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 3C273B J1229+0203 37 45 46 31.254 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 3C345 J1642+3948 45 50 58 28.240 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: 3C454.3 J2253+1608 40 41 43 20.513 19840830_a pol841 1984.08.30-21:05:11.040 SRC_STAT: OJ287 J0854+2006 41 42 50 33.689 19840830_a pol841 1984.08.30-21:05:11.040 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.08.30-21:04:38 1. GILCREEK 7225 NOAM X Comp -2281547238.29 mm 145.715 mm 4.716 mm 7.092 mm 2. GILCREEK 7225 NOAM Y Comp -1453644969.54 mm 144.464 mm 3.986 mm 5.995 mm 3. GILCREEK 7225 NOAM Z Comp 5756993219.18 mm 92.184 mm 8.422 mm 12.665 mm GILCREEK 7225 U Comp -1.28 mm -1.278 mm 9.483 mm 10.789 mm GILCREEK 7225 E Comp -43.54 mm -43.538 mm 3.028 mm 3.445 mm GILCREEK 7225 N Comp 220.69 mm 220.688 mm 3.157 mm 3.591 mm 4. GILCREEK CL 0 1984.08.30-06:12:08.136 -7615.807 ns 0.076 ns 0.114 ns 5. GILCREEK CL 1 1984.08.30-06:12:08.136 -643.460 D-14 1.836 D-14 2.761 D-14 6. GILCREEK CL 2 1984.08.30-06:12:08.136 -3.640 D-14/day 1.276 D-14/day 1.919 D-14/day 37. GILCREEK AT 0 1984.08.30-06:12:08.136 -35.779 ps 24.884 ps 37.419 ps GILCREEK Atm 1984.08.30-21:12:40.320 Avg: -19.934 ps Rms: 18.263 ps Tot_Rms: 27.035 ps || Nat: 143 Dura: 106660.0 sec Tzd_avg: 7634.0 Tzd_rms: 8.9 Wzd_avg: 204.3 Wzd_rms: 17.5 ps Prs_avg: 98187. Pa Tem_avg: 4.9 C Stm_avg: 2.8 C Stm_rms: 1.8 K Spr_avg: 63. Spr_rms: 42. Pa 128. GILCREEK NG 1984.08.30-06:11:08.136 0.204 mm 0.415 mm 0.624 mm 129. GILCREEK EG 1984.08.30-06:11:08.136 0.161 mm 0.415 mm 0.624 mm 130. GILCREEK NG 1984.08.30-14:11:08.136 -0.056 mm 0.368 mm 0.554 mm 131. GILCREEK EG 1984.08.30-14:11:08.136 0.112 mm 0.371 mm 0.558 mm 132. GILCREEK NG 1984.08.30-22:11:08.136 -0.223 mm 0.368 mm 0.553 mm 133. GILCREEK EG 1984.08.30-22:11:08.136 -0.242 mm 0.365 mm 0.549 mm 134. GILCREEK NG 1984.08.31-06:11:08.136 -0.106 mm 0.368 mm 0.553 mm 135. GILCREEK EG 1984.08.31-06:11:08.136 -0.135 mm 0.370 mm 0.556 mm 136. GILCREEK NG 1984.08.31-14:11:08.136 0.048 mm 0.416 mm 0.626 mm 137. GILCREEK EG 1984.08.31-14:11:08.136 0.003 mm 0.419 mm 0.631 mm 138. HAYSTACK 7205 NOAM X Comp 1492404707.95 mm 11.949 mm 3.714 mm 5.584 mm 139. HAYSTACK 7205 NOAM Y Comp -4457266467.75 mm 67.250 mm 6.718 mm 10.103 mm 140. HAYSTACK 7205 NOAM Z Comp 4296881697.55 mm -96.450 mm 7.492 mm 11.267 mm HAYSTACK 7205 U Comp -109.45 mm -109.446 mm 9.493 mm 10.800 mm HAYSTACK 7205 E Comp 32.68 mm 32.683 mm 3.495 mm 3.977 mm HAYSTACK 7205 N Comp -30.36 mm -30.356 mm 3.566 mm 4.057 mm 141. HAYSTACK AT 0 1984.08.30-06:12:08.136 51.885 ps 27.098 ps 40.748 ps HAYSTACK Atm 1984.08.30-21:12:40.320 Avg: -12.303 ps Rms: 64.528 ps Tot_Rms: 65.690 ps || Nat: 133 Dura: 107100.0 sec Tzd_avg: 8309.6 Tzd_rms: 53.7 Wzd_avg: 797.9 Wzd_rms: 38.9 ps Prs_avg: 99825. Pa Tem_avg: 23.7 C Stm_avg: 2.3 C Stm_rms: 0.5 K Spr_avg: 537. Spr_rms: 36. Pa 232. HAYSTACK NG 1984.08.30-06:11:08.136 0.307 mm 0.417 mm 0.628 mm 233. HAYSTACK EG 1984.08.30-06:11:08.136 -0.131 mm 0.418 mm 0.628 mm 234. HAYSTACK NG 1984.08.30-14:11:08.136 0.241 mm 0.370 mm 0.557 mm 235. HAYSTACK EG 1984.08.30-14:11:08.136 0.280 mm 0.368 mm 0.553 mm 236. HAYSTACK NG 1984.08.30-22:11:08.136 -0.026 mm 0.371 mm 0.557 mm 237. HAYSTACK EG 1984.08.30-22:11:08.136 0.153 mm 0.370 mm 0.557 mm 238. HAYSTACK NG 1984.08.31-06:11:08.136 -0.104 mm 0.371 mm 0.558 mm 239. HAYSTACK EG 1984.08.31-06:11:08.136 0.123 mm 0.372 mm 0.559 mm 240. HAYSTACK NG 1984.08.31-14:11:08.136 -0.087 mm 0.419 mm 0.630 mm 241. HAYSTACK EG 1984.08.31-14:11:08.136 0.126 mm 0.418 mm 0.628 mm 242. KASHIMA 1856 NOAM X Comp -3997892489.63 mm -213.630 mm 8.199 mm 12.330 mm 243. KASHIMA 1856 NOAM Y Comp 3276581338.94 mm 36.937 mm 6.272 mm 9.431 mm 244. KASHIMA 1856 NOAM Z Comp 3724118351.02 mm 147.016 mm 8.346 mm 12.550 mm KASHIMA 1856 U Comp 239.02 mm 239.021 mm 11.921 mm 13.562 mm KASHIMA 1856 E Comp 106.85 mm 106.848 mm 4.115 mm 4.682 mm KASHIMA 1856 N Comp 8.25 mm 8.250 mm 4.142 mm 4.712 mm 245. KASHIMA CL 0 1984.08.30-06:12:08.136 3910.439 ns 0.104 ns 0.157 ns 246. KASHIMA CL 1 1984.08.30-06:12:08.136 -45.616 D-14 1.849 D-14 2.780 D-14 247. KASHIMA CL 2 1984.08.30-06:12:08.136 1.079 D-14/day 1.287 D-14/day 1.935 D-14/day 278. KASHIMA AT 0 1984.08.30-06:12:08.136 -55.300 ps 42.651 ps 64.136 ps KASHIMA Atm 1984.08.30-21:12:40.320 Avg: -25.501 ps Rms: 36.695 ps Tot_Rms: 44.686 ps || Nat: 128 Dura: 106660.0 sec Tzd_avg: 8466.0 Tzd_rms: 93.6 Wzd_avg: 855.2 Wzd_rms: 98.9 ps Prs_avg: 100714. Pa Tem_avg: 24.1 C Stm_avg: -1.6 C Stm_rms: 1.6 K Spr_avg: 154. Spr_rms: 16. Pa 369. KASHIMA NG 1984.08.30-06:11:08.136 -0.197 mm 0.420 mm 0.631 mm 370. KASHIMA EG 1984.08.30-06:11:08.136 0.174 mm 0.421 mm 0.632 mm 371. KASHIMA NG 1984.08.30-14:11:08.136 -0.204 mm 0.375 mm 0.564 mm 372. KASHIMA EG 1984.08.30-14:11:08.136 -0.037 mm 0.374 mm 0.562 mm 373. KASHIMA NG 1984.08.30-22:11:08.136 0.128 mm 0.371 mm 0.558 mm 374. KASHIMA EG 1984.08.30-22:11:08.136 -0.210 mm 0.367 mm 0.553 mm 375. KASHIMA NG 1984.08.31-06:11:08.136 0.302 mm 0.374 mm 0.563 mm 376. KASHIMA EG 1984.08.31-06:11:08.136 -0.049 mm 0.373 mm 0.561 mm 377. KASHIMA NG 1984.08.31-14:11:08.136 0.132 mm 0.421 mm 0.633 mm 378. KASHIMA EG 1984.08.31-14:11:08.136 0.078 mm 0.421 mm 0.633 mm 379. MOJAVE12 7222 NOAM X Comp -2356171104.10 mm -8.104 mm 5.616 mm 8.445 mm 380. MOJAVE12 7222 NOAM Y Comp -4646755868.33 mm -36.332 mm 9.199 mm 13.834 mm 381. MOJAVE12 7222 NOAM Z Comp 3668470609.03 mm 28.026 mm 8.162 mm 12.273 mm MOJAVE12 7222 U Comp 45.63 mm 45.634 mm 12.596 mm 14.329 mm MOJAVE12 7222 E Comp 9.20 mm 9.203 mm 3.350 mm 3.811 mm MOJAVE12 7222 N Comp 2.00 mm 2.004 mm 3.594 mm 4.088 mm 382. MOJAVE12 CL 0 1984.08.30-06:12:08.136 -8226.650 ns 0.100 ns 0.150 ns 383. MOJAVE12 CL 1 1984.08.30-06:12:08.136 -410.476 D-14 1.854 D-14 2.788 D-14 384. MOJAVE12 CL 2 1984.08.30-06:12:08.136 -2.227 D-14/day 1.294 D-14/day 1.946 D-14/day 415. MOJAVE12 AT 0 1984.08.30-06:12:08.136 -38.504 ps 40.199 ps 60.449 ps MOJAVE12 Atm 1984.08.30-21:12:40.320 Avg: -49.178 ps Rms: 40.868 ps Tot_Rms: 63.943 ps || Nat: 114 Dura: 106660.0 sec Tzd_avg: 7403.4 Tzd_rms: 40.0 Wzd_avg: 520.3 Wzd_rms: 39.9 ps Prs_avg: 90997. Pa Tem_avg: 29.6 C Stm_avg: -0.3 C Stm_rms: 1.4 K Spr_avg: 198. Spr_rms: 59. Pa 506. MOJAVE12 NG 1984.08.30-06:11:08.136 0.008 mm 0.419 mm 0.630 mm 507. MOJAVE12 EG 1984.08.30-06:11:08.136 0.104 mm 0.418 mm 0.628 mm 508. MOJAVE12 NG 1984.08.30-14:11:08.136 0.040 mm 0.373 mm 0.560 mm 509. MOJAVE12 EG 1984.08.30-14:11:08.136 0.012 mm 0.373 mm 0.562 mm 510. MOJAVE12 NG 1984.08.30-22:11:08.136 0.071 mm 0.370 mm 0.557 mm 511. MOJAVE12 EG 1984.08.30-22:11:08.136 -0.012 mm 0.371 mm 0.558 mm 512. MOJAVE12 NG 1984.08.31-06:11:08.136 -0.113 mm 0.373 mm 0.562 mm 513. MOJAVE12 EG 1984.08.31-06:11:08.136 -0.015 mm 0.372 mm 0.559 mm 514. MOJAVE12 NG 1984.08.31-14:11:08.136 -0.137 mm 0.420 mm 0.632 mm 515. MOJAVE12 EG 1984.08.31-14:11:08.136 0.055 mm 0.420 mm 0.632 mm 516. WETTZELL 7224 EURA X Comp 4075539905.07 mm 64.069 mm 8.993 mm 13.523 mm 517. WETTZELL 7224 EURA Y Comp 931735101.68 mm -212.319 mm 4.360 mm 6.557 mm 518. WETTZELL 7224 EURA Z Comp 4801629222.22 mm -170.776 mm 9.642 mm 14.498 mm WETTZELL 7224 U Comp -119.27 mm -119.266 mm 12.445 mm 14.158 mm WETTZELL 7224 E Comp -221.26 mm -221.257 mm 4.261 mm 4.847 mm WETTZELL 7224 N Comp -123.16 mm -123.163 mm 4.452 mm 5.065 mm 519. WETTZELL CL 0 1984.08.30-06:12:08.136 -1016.465 ns 0.089 ns 0.134 ns 520. WETTZELL CL 1 1984.08.30-06:12:08.136 -181.287 D-14 1.848 D-14 2.778 D-14 521. WETTZELL CL 2 1984.08.30-06:12:08.136 -3.022 D-14/day 1.285 D-14/day 1.933 D-14/day 552. WETTZELL AT 0 1984.08.30-06:12:08.136 -79.083 ps 23.636 ps 35.542 ps WETTZELL Atm 1984.08.30-21:12:40.320 Avg: -48.867 ps Rms: 26.648 ps Tot_Rms: 55.661 ps || Nat: 117 Dura: 107100.0 sec Tzd_avg: 7652.8 Tzd_rms: 18.9 Wzd_avg: 479.7 Wzd_rms: 21.4 ps Prs_avg: 95186. Pa Tem_avg: 16.8 C Stm_avg: -0.1 C Stm_rms: 1.2 K Spr_avg: 463. Spr_rms: 16. Pa 643. WETTZELL NG 1984.08.30-06:11:08.136 -0.204 mm 0.419 mm 0.630 mm 644. WETTZELL EG 1984.08.30-06:11:08.136 -0.099 mm 0.419 mm 0.630 mm 645. WETTZELL NG 1984.08.30-14:11:08.136 0.030 mm 0.374 mm 0.563 mm 646. WETTZELL EG 1984.08.30-14:11:08.136 -0.161 mm 0.375 mm 0.563 mm 647. WETTZELL NG 1984.08.30-22:11:08.136 0.041 mm 0.372 mm 0.559 mm 648. WETTZELL EG 1984.08.30-22:11:08.136 -0.151 mm 0.369 mm 0.555 mm 649. WETTZELL NG 1984.08.31-06:11:08.136 0.040 mm 0.374 mm 0.562 mm 650. WETTZELL EG 1984.08.31-06:11:08.136 0.243 mm 0.373 mm 0.560 mm 651. WETTZELL NG 1984.08.31-14:11:08.136 0.081 mm 0.421 mm 0.633 mm 652. WETTZELL EG 1984.08.31-14:11:08.136 0.326 mm 0.419 mm 0.631 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 35.70 ps/h NRMS 0.71 share 0.58 count 91 2. HAYSTACK Input 50.00 ps/h RMS 53.70 ps/h NRMS 1.07 share 0.64 count 91 3. KASHIMA Input 50.00 ps/h RMS 43.91 ps/h NRMS 0.88 share 0.72 count 91 4. MOJAVE12 Input 50.00 ps/h RMS 42.47 ps/h NRMS 0.85 share 0.74 count 91 6. WETTZELL Input 50.00 ps/h RMS 27.84 ps/h NRMS 0.56 share 0.72 count 91 Overall RMS 41.63 ps/h NRMS 0.83 share 0.68 count 455 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.57 mm/d NRMS 0.29 share 0.50 count 10 2. HAYSTACK Input 2.00 mm/d RMS 0.55 mm/d NRMS 0.27 share 0.51 count 10 3. KASHIMA Input 2.00 mm/d RMS 0.57 mm/d NRMS 0.28 share 0.51 count 10 4. MOJAVE12 Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.51 count 10 6. WETTZELL Input 2.00 mm/d RMS 0.50 mm/d NRMS 0.25 share 0.51 count 10 Overall RMS 0.50 mm/d NRMS 0.25 share 0.51 count 50 Clock Constraint Statistics 1. GILCREEK Input 5.00 D-14 RMS 1.83 D-14 NRMS 0.37 share 0.15 count 31 3. KASHIMA Input 5.00 D-14 RMS 3.29 D-14 NRMS 0.66 share 0.18 count 31 4. MOJAVE12 Input 5.00 D-14 RMS 3.18 D-14 NRMS 0.64 share 0.16 count 31 6. WETTZELL Input 5.00 D-14 RMS 1.99 D-14 NRMS 0.40 share 0.20 count 31 Overall RMS 2.65 D-14 NRMS 0.53 share 0.17 count 124 653. UT1-TAI 1, 1984.08.30-21:05:00.000 -1.9610 ms/d 0.04 micros/d 6.31 micros/d 9.48 micros/d EOP epoch (TDT) MJD: 45942.878845 NUT epoch (TDT) MJD: 45942.888424 654. Nutation DPSI wrt apriori model 1984.08.30-21:04:38.856 -0.716 mas 193.9 microasec 291.6 microasec Nutation Dx wrt apriori model 1984.08.30-21:04:38.856 -0.282 mas 76.9 microasec 115.6 microasec Nutation DPSI wrt Wahr 1980 model 1984.08.30-21:04:38.856 -8.394 mas 193.9 microasec 291.6 microasec 655. Nutation DEPS wrt apriori model 1984.08.30-21:04:38.856 -0.688 mas 75.0 microasec 112.7 microasec Nutation Dy wrt apriori model 1984.08.30-21:04:38.856 -0.689 mas 75.2 microasec 113.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.08.30-21:04:38.856 -0.729 mas 75.0 microasec 112.7 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 2.4399 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.08.30 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to HAYSTACK 7205 5039482220.69 5.89 5039482220.69 5.89 215.41 2.18 114.17 14.45 GILCREEK 7225 to KASHIMA 1856 5427104401.13 7.28 5427104401.13 7.28 -305.78 2.51 -224.04 17.05 GILCREEK 7225 to MOJAVE12 7222 3816209195.85 5.52 3816209195.85 5.52 121.49 2.23 -99.17 17.44 GILCREEK 7225 to WETTZELL 7224 6856771499.70 11.12 6856771499.70 11.12 333.80 3.52 255.07 15.72 HAYSTACK 7205 to KASHIMA 1856 9501779994.61 12.86 9501779994.61 12.86 -110.67 2.71 -300.92 13.63 HAYSTACK 7205 to MOJAVE12 7222 3904144273.75 5.90 3904144273.75 5.90 26.49 2.29 -160.94 18.08 HAYSTACK 7205 to WETTZELL 7224 5997390718.10 8.93 5997390718.10 8.93 168.31 2.50 -53.29 17.07 KASHIMA 1856 to MOJAVE12 7222 8091824162.63 13.06 8091824162.63 13.06 -61.92 2.37 211.84 17.32 KASHIMA 1856 to WETTZELL 7224 8475827050.25 15.26 8475827050.25 15.26 -6.58 3.06 392.81 15.17 MOJAVE12 7222 to WETTZELL 7224 8588976449.54 15.07 8588976449.54 15.07 242.76 3.26 96.38 16.41 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:10 Correlator type: Unknown Experiment code: ia200 Mark-3 db_name: $84AUG31XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840831_a Ver 2 ia200 Matrix Condition Number = 1.478639715984908E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 15.5 2.5 841.1 0.4 82.0 19.6 RICHMOND MET 24.4 4.2 1016.1 1.1 54.1 4.1 WESTFORD MET 20.2 2.8 998.8 1.9 31.9 7.6 WETTZELL MET 17.0 2.3 951.2 0.6 58.4 0.5 Run 26091-1747 442 Observation Pairs Available Session started on: 2445944.250700 1984.08.31 18:01:00.480 UTC Nominal duration: 86849.280 sec 01 00:07:29.280 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 387 54.655 ps 1.04 1.5197 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 395 Number of potentially good observations with QC 5-9: 395 Number of used observations: 387 ( 97.97%) Number of suppressed observations: 8 ( 2.03%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 65 69 34.009 0.92 19840831_a ia200 1984.09.01-06:04:45.1 BAS_STAT HRAS_085 WESTFORD 79 79 68.042 1.05 19840831_a ia200 1984.09.01-06:04:45.1 BAS_STAT HRAS_085 WETTZELL 46 46 70.881 1.02 19840831_a ia200 1984.09.01-06:04:45.1 BAS_STAT RICHMOND WESTFORD 72 72 59.140 1.19 19840831_a ia200 1984.09.01-06:04:45.1 BAS_STAT RICHMOND WETTZELL 43 44 80.798 1.06 19840831_a ia200 1984.09.01-06:04:45.1 BAS_STAT WESTFORD WETTZELL 82 85 53.163 0.95 19840831_a ia200 1984.09.01-06:04:45.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 18 62.196 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 0212+735 J0217+7349 31 32 45 79.914 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 0229+131 J0231+1322 27 27 27 57.549 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 0528+134 J0530+1331 27 27 28 62.440 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 0552+398 J0555+3948 32 32 32 47.799 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 1803+784 J1800+7828 21 21 24 49.157 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 2134+00 J2136+0041 29 29 34 49.468 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 3C273B J1229+0203 24 25 26 29.444 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 3C345 J1642+3948 33 33 38 48.511 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 3C454.3 J2253+1608 29 29 29 46.991 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: 4C39.25 J0927+3902 28 31 38 80.545 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: OJ287 J0854+2006 33 35 37 74.269 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: OQ208 J1407+2827 30 31 33 104.699 19840831_a ia200 1984.09.01-06:04:45.120 SRC_STAT: VR422201 J2202+4216 26 26 33 61.857 19840831_a ia200 1984.09.01-06:04:45.120 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.01-06:04:12 1. HRAS_085 7216 NOAM X Comp -1324211054.57 mm -37.574 mm 8.095 mm 9.979 mm 2. HRAS_085 7216 NOAM Y Comp -5332023058.71 mm 23.292 mm 23.322 mm 28.750 mm 3. HRAS_085 7216 NOAM Z Comp 3232118444.25 mm 137.247 mm 16.500 mm 20.341 mm HRAS_085 7216 U Comp 58.28 mm 58.282 mm 27.862 mm 28.843 mm HRAS_085 7216 E Comp -42.08 mm -42.080 mm 6.903 mm 7.146 mm HRAS_085 7216 N Comp 124.99 mm 124.994 mm 7.599 mm 7.866 mm 4. HRAS_085 CL 0 1984.08.31-18:00:28.296 23417.575 ns 0.232 ns 0.285 ns 5. HRAS_085 CL 1 1984.08.31-18:00:28.296 77.328 D-14 2.175 D-14 2.681 D-14 6. HRAS_085 CL 2 1984.08.31-18:00:28.296 2.258 D-14/day 1.871 D-14/day 2.306 D-14/day 32. HRAS_085 AT 0 1984.08.31-18:00:28.296 172.120 ps 69.039 ps 85.108 ps HRAS_085 Atm 1984.09.01-06:31:00.480 Avg: 60.853 ps Rms: 53.991 ps Tot_Rms: 81.352 ps || Nat: 96 Dura: 84352.0 sec Tzd_avg: 6952.8 Tzd_rms: 18.8 Wzd_avg: 580.0 Wzd_rms: 18.5 ps Prs_avg: 84114. Pa Tem_avg: 15.5 C Stm_avg: -4.4 C Stm_rms: 1.9 K Spr_avg: 56. Spr_rms: 43. Pa 108. HRAS_085 NG 1984.08.31-17:59:28.296 0.010 mm 0.422 mm 0.520 mm 109. HRAS_085 EG 1984.08.31-17:59:28.296 0.014 mm 0.422 mm 0.520 mm 110. HRAS_085 NG 1984.09.01-01:59:28.296 0.025 mm 0.377 mm 0.465 mm 111. HRAS_085 EG 1984.09.01-01:59:28.296 -0.001 mm 0.377 mm 0.464 mm 112. HRAS_085 NG 1984.09.01-09:59:28.296 -0.017 mm 0.377 mm 0.464 mm 113. HRAS_085 EG 1984.09.01-09:59:28.296 0.035 mm 0.377 mm 0.464 mm 114. HRAS_085 NG 1984.09.01-17:59:28.296 -0.029 mm 0.422 mm 0.520 mm 115. HRAS_085 EG 1984.09.01-17:59:28.296 -0.002 mm 0.422 mm 0.520 mm 116. RICHMOND 7219 NOAM X Comp 961257960.69 mm -58.310 mm 6.882 mm 8.484 mm 117. RICHMOND 7219 NOAM Y Comp -5674089966.66 mm 83.337 mm 22.274 mm 27.458 mm 118. RICHMOND 7219 NOAM Z Comp 2740533804.89 mm 6.886 mm 13.501 mm 16.643 mm RICHMOND 7219 U Comp -79.90 mm -79.897 mm 25.250 mm 26.139 mm RICHMOND 7219 E Comp -43.57 mm -43.571 mm 6.450 mm 6.677 mm RICHMOND 7219 N Comp 45.94 mm 45.940 mm 6.826 mm 7.066 mm 119. RICHMOND CL 0 1984.08.31-18:00:28.296 11034.801 ns 0.189 ns 0.233 ns 120. RICHMOND CL 1 1984.08.31-18:00:28.296 -178.522 D-14 2.117 D-14 2.610 D-14 121. RICHMOND CL 2 1984.08.31-18:00:28.296 2.254 D-14/day 1.828 D-14/day 2.253 D-14/day 147. RICHMOND AT 0 1984.08.31-18:00:28.296 60.928 ps 73.412 ps 90.499 ps RICHMOND Atm 1984.09.01-06:31:00.480 Avg: 29.948 ps Rms: 55.834 ps Tot_Rms: 63.358 ps || Nat: 90 Dura: 86290.0 sec Tzd_avg: 8612.7 Tzd_rms: 48.7 Wzd_avg: 920.7 Wzd_rms: 46.3 ps Prs_avg: 101611. Pa Tem_avg: 24.4 C Stm_avg: -3.6 C Stm_rms: 4.1 K Spr_avg: 30. Spr_rms: 97. Pa 223. RICHMOND NG 1984.08.31-17:59:28.296 0.017 mm 0.422 mm 0.520 mm 224. RICHMOND EG 1984.08.31-17:59:28.296 -0.016 mm 0.421 mm 0.520 mm 225. RICHMOND NG 1984.09.01-01:59:28.296 -0.001 mm 0.377 mm 0.464 mm 226. RICHMOND EG 1984.09.01-01:59:28.296 0.011 mm 0.376 mm 0.464 mm 227. RICHMOND NG 1984.09.01-09:59:28.296 0.011 mm 0.377 mm 0.464 mm 228. RICHMOND EG 1984.09.01-09:59:28.296 -0.008 mm 0.376 mm 0.464 mm 229. RICHMOND NG 1984.09.01-17:59:28.296 -0.007 mm 0.422 mm 0.520 mm 230. RICHMOND EG 1984.09.01-17:59:28.296 0.036 mm 0.421 mm 0.519 mm 231. WESTFORD 7209 NOAM X Comp 1492206560.27 mm 17.266 mm 6.564 mm 8.091 mm 232. WESTFORD 7209 NOAM Y Comp -4458130421.96 mm 100.041 mm 13.256 mm 16.342 mm 233. WESTFORD 7209 NOAM Z Comp 4296015489.11 mm -57.891 mm 12.284 mm 15.143 mm WESTFORD 7209 U Comp -104.98 mm -104.979 mm 17.364 mm 17.975 mm WESTFORD 7209 E Comp 48.13 mm 48.127 mm 6.531 mm 6.761 mm WESTFORD 7209 N Comp 17.91 mm 17.914 mm 5.056 mm 5.234 mm 234. WESTFORD AT 0 1984.08.31-18:00:28.296 1.330 ps 39.762 ps 49.016 ps WESTFORD Atm 1984.09.01-06:31:00.480 Avg: 32.664 ps Rms: 25.313 ps Tot_Rms: 41.324 ps || Nat: 140 Dura: 86850.0 sec Tzd_avg: 7977.6 Tzd_rms: 108.2 Wzd_avg: 424.4 Wzd_rms: 124.2 ps Prs_avg: 99866. Pa Tem_avg: 20.4 C Stm_avg: 1.5 C Stm_rms: 0.9 K Spr_avg: 200. Spr_rms: 45. Pa 310. WESTFORD NG 1984.08.31-17:59:28.296 -0.034 mm 0.422 mm 0.520 mm 311. WESTFORD EG 1984.08.31-17:59:28.296 0.047 mm 0.421 mm 0.519 mm 312. WESTFORD NG 1984.09.01-01:59:28.296 -0.028 mm 0.377 mm 0.464 mm 313. WESTFORD EG 1984.09.01-01:59:28.296 0.046 mm 0.376 mm 0.463 mm 314. WESTFORD NG 1984.09.01-09:59:28.296 0.036 mm 0.377 mm 0.464 mm 315. WESTFORD EG 1984.09.01-09:59:28.296 -0.007 mm 0.376 mm 0.464 mm 316. WESTFORD NG 1984.09.01-17:59:28.296 0.052 mm 0.422 mm 0.520 mm 317. WESTFORD EG 1984.09.01-17:59:28.296 -0.010 mm 0.421 mm 0.519 mm 318. WETTZELL 7224 EURA X Comp 4075539919.62 mm 78.617 mm 16.050 mm 19.786 mm 319. WETTZELL 7224 EURA Y Comp 931735107.33 mm -206.670 mm 12.494 mm 15.403 mm 320. WETTZELL 7224 EURA Z Comp 4801629306.76 mm -86.241 mm 20.642 mm 25.446 mm WETTZELL 7224 U Comp -45.23 mm -45.226 mm 24.849 mm 25.724 mm WETTZELL 7224 E Comp -218.99 mm -218.993 mm 12.650 mm 13.096 mm WETTZELL 7224 N Comp -79.54 mm -79.544 mm 7.892 mm 8.170 mm 321. WETTZELL CL 0 1984.08.31-18:00:28.296 6954.726 ns 0.171 ns 0.211 ns 322. WETTZELL CL 1 1984.08.31-18:00:28.296 -193.054 D-14 2.106 D-14 2.596 D-14 323. WETTZELL CL 2 1984.08.31-18:00:28.296 -1.335 D-14/day 1.840 D-14/day 2.268 D-14/day 349. WETTZELL AT 0 1984.08.31-18:00:28.296 -53.531 ps 60.762 ps 74.905 ps WETTZELL Atm 1984.09.01-06:31:00.480 Avg: -86.542 ps Rms: 28.606 ps Tot_Rms: 91.147 ps || Nat: 93 Dura: 85500.0 sec Tzd_avg: 7644.0 Tzd_rms: 18.7 Wzd_avg: 477.3 Wzd_rms: 16.7 ps Prs_avg: 95122. Pa Tem_avg: 17.0 C Stm_avg: -0.6 C Stm_rms: 0.7 K Spr_avg: 484. Spr_rms: 27. Pa 425. WETTZELL NG 1984.08.31-17:59:28.296 0.022 mm 0.422 mm 0.521 mm 426. WETTZELL EG 1984.08.31-17:59:28.296 0.006 mm 0.422 mm 0.521 mm 427. WETTZELL NG 1984.09.01-01:59:28.296 0.007 mm 0.377 mm 0.465 mm 428. WETTZELL EG 1984.09.01-01:59:28.296 -0.014 mm 0.377 mm 0.465 mm 429. WETTZELL NG 1984.09.01-09:59:28.296 -0.033 mm 0.377 mm 0.465 mm 430. WETTZELL EG 1984.09.01-09:59:28.296 -0.014 mm 0.377 mm 0.465 mm 431. WETTZELL NG 1984.09.01-17:59:28.296 -0.036 mm 0.422 mm 0.520 mm 432. WETTZELL EG 1984.09.01-17:59:28.296 -0.009 mm 0.422 mm 0.521 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 18.62 ps/h NRMS 0.37 share 0.89 count 76 2. RICHMOND Input 50.00 ps/h RMS 19.48 ps/h NRMS 0.39 share 0.90 count 76 3. WESTFORD Input 50.00 ps/h RMS 26.49 ps/h NRMS 0.53 share 0.81 count 76 4. WETTZELL Input 50.00 ps/h RMS 19.09 ps/h NRMS 0.38 share 0.86 count 76 Overall RMS 21.17 ps/h NRMS 0.42 share 0.87 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.08 mm/d NRMS 0.04 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.54 D-14 NRMS 0.51 share 0.28 count 26 2. RICHMOND Input 5.00 D-14 RMS 2.76 D-14 NRMS 0.55 share 0.28 count 26 4. WETTZELL Input 5.00 D-14 RMS 2.43 D-14 NRMS 0.49 share 0.32 count 26 Overall RMS 2.58 D-14 NRMS 0.52 share 0.29 count 78 433. UT1-TAI 1, 1984.09.01-06:04:00.000 -1.6114 ms/d 6.93 micros/d 53.31 micros/d 65.71 micros/d EOP epoch (TDT) MJD: 45944.253150 NUT epoch (TDT) MJD: 45944.266535 434. Nutation DPSI wrt apriori model 1984.09.01-06:04:12.936 -2.642 mas 776.5 microasec 957.2 microasec Nutation Dx wrt apriori model 1984.09.01-06:04:12.936 -1.049 mas 307.9 microasec 379.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.01-06:04:12.936 -10.453 mas 776.5 microasec 957.2 microasec 435. Nutation DEPS wrt apriori model 1984.09.01-06:04:12.936 -0.518 mas 297.3 microasec 366.6 microasec Nutation Dy wrt apriori model 1984.09.01-06:04:12.936 -0.522 mas 298.4 microasec 367.9 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.01-06:04:12.936 -0.462 mas 297.3 microasec 366.6 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6255 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632821.01 8.76 2362632821.01 8.76 89.23 6.26 114.30 47.34 HRAS_085 7216 to WESTFORD 7209 3134927980.64 10.07 3134927980.64 10.07 122.10 5.33 179.02 37.77 HRAS_085 7216 to WETTZELL 7224 8417561481.42 29.70 8417561481.42 29.70 307.97 6.80 48.67 38.75 RICHMOND 7219 to WESTFORD 7209 2044501724.06 7.88 2044501724.06 7.88 92.59 4.36 35.01 33.12 RICHMOND 7219 to WETTZELL 7224 7588398493.47 25.35 7588398493.47 25.35 211.63 6.54 -132.87 38.72 WESTFORD 7209 to WETTZELL 7224 5998325349.79 17.11 5998325349.79 17.11 156.89 4.98 -103.64 35.27 NNT_POS: 5 stations participated in NNT_POS constraints: GILCREEK HAYSTACK KASHIMA MOJAVE12 WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:13 Correlator type: Unknown Experiment code: pol842 Mark-3 db_name: $84SEP02X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840902_a Ver 2 pol842 Matrix Condition Number = 3.764293034678896E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- GILCREEK: GION | | HAYSTACK: GION | | KASHIMA : GION | | MOJAVE12: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for GILCREEK is 5.0 Elevation cut for HAYSTACK is 5.0 Elevation cut for KASHIMA is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms GILCREEK MET 4.7 5.0 983.7 0.8 82.8 9.4 HAYSTACK MET 16.7 3.0 1003.1 1.5 57.7 10.2 KASHIMA MET 26.3 2.1 999.9 0.7 52.3 29.3 MOJAVE12 MET 26.7 5.7 911.7 0.8 25.7 8.4 WETTZELL MET 18.6 2.7 950.7 1.0 83.2 22.6 Run 26091-1747 718 Observation Pairs Available Session started on: 2445945.750600 1984.09.02 06:00:51.840 UTC Nominal duration: 106660.800 sec 01 05:37:40.800 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 632 26.446 ps 1.16 2.3963 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 664 Number of potentially good observations with QC 5-9: 664 Number of used observations: 632 ( 95.18%) Number of suppressed observations: 32 ( 4.82%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps GILCREEK HAYSTACK 81 86 24.562 1.31 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT GILCREEK KASHIMA 80 83 21.237 1.25 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT GILCREEK MOJAVE12 94 98 17.040 0.90 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT GILCREEK WETTZELL 33 35 25.320 1.11 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT HAYSTACK KASHIMA 42 44 33.708 1.17 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT HAYSTACK MOJAVE12 78 83 33.047 1.23 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT HAYSTACK WETTZELL 68 70 25.670 0.98 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT KASHIMA MOJAVE12 63 64 47.899 1.32 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT KASHIMA WETTZELL 57 62 30.472 1.09 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT MOJAVE12 WETTZELL 36 39 75.077 1.26 19840902_a pol842 1984.09.02-20:49:42.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 21 22 28 14.989 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 0229+131 J0231+1322 33 36 36 23.445 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 0420-014 J0423-0120 31 31 33 16.792 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 0552+398 J0555+3948 58 58 61 19.922 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 1144+402 J1146+3958 33 36 42 36.556 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 1502+106 J1504+1029 48 48 51 28.274 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 1749+096 J1751+0939 38 38 40 26.171 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 1803+784 J1800+7828 186 188 200 29.408 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 2145+067 J2148+0657 26 26 29 27.733 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 3C273B J1229+0203 34 45 47 29.798 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 3C345 J1642+3948 40 47 58 33.479 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: 3C454.3 J2253+1608 40 42 46 16.660 19840902_a pol842 1984.09.02-20:49:42.240 SRC_STAT: OJ287 J0854+2006 44 47 47 31.516 19840902_a pol842 1984.09.02-20:49:42.240 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.02-20:49:10 1. GILCREEK 7225 NOAM X Comp -2281547243.21 mm 140.786 mm 4.519 mm 6.995 mm 2. GILCREEK 7225 NOAM Y Comp -1453644950.89 mm 163.113 mm 3.732 mm 5.777 mm 3. GILCREEK 7225 NOAM Z Comp 5756993222.39 mm 95.391 mm 7.876 mm 12.192 mm GILCREEK 7225 U Comp -0.85 mm -0.853 mm 8.856 mm 10.314 mm GILCREEK 7225 E Comp -61.91 mm -61.914 mm 2.850 mm 3.319 mm GILCREEK 7225 N Comp 227.36 mm 227.358 mm 3.134 mm 3.650 mm 4. GILCREEK AT 0 1984.09.02-06:00:19.656 45.038 ps 24.243 ps 37.528 ps GILCREEK Atm 1984.09.02-21:00:51.840 Avg: 18.112 ps Rms: 23.506 ps Tot_Rms: 29.674 ps || Nat: 143 Dura: 106660.0 sec Tzd_avg: 7637.3 Tzd_rms: 18.4 Wzd_avg: 201.6 Wzd_rms: 16.8 ps Prs_avg: 98366. Pa Tem_avg: 4.3 C Stm_avg: -3.1 C Stm_rms: 2.5 K Spr_avg: 164. Spr_rms: 52. Pa 95. GILCREEK NG 1984.09.02-05:59:19.656 0.040 mm 0.416 mm 0.643 mm 96. GILCREEK EG 1984.09.02-05:59:19.656 0.090 mm 0.415 mm 0.642 mm 97. GILCREEK NG 1984.09.02-13:59:19.656 -0.171 mm 0.368 mm 0.570 mm 98. GILCREEK EG 1984.09.02-13:59:19.656 0.236 mm 0.368 mm 0.570 mm 99. GILCREEK NG 1984.09.02-21:59:19.656 -0.020 mm 0.367 mm 0.569 mm 100. GILCREEK EG 1984.09.02-21:59:19.656 -0.122 mm 0.364 mm 0.563 mm 101. GILCREEK NG 1984.09.03-05:59:19.656 0.013 mm 0.369 mm 0.572 mm 102. GILCREEK EG 1984.09.03-05:59:19.656 -0.103 mm 0.369 mm 0.571 mm 103. GILCREEK NG 1984.09.03-13:59:19.656 -0.064 mm 0.419 mm 0.648 mm 104. GILCREEK EG 1984.09.03-13:59:19.656 0.006 mm 0.420 mm 0.650 mm 105. HAYSTACK 7205 NOAM X Comp 1492404690.22 mm -5.780 mm 3.543 mm 5.485 mm 106. HAYSTACK 7205 NOAM Y Comp -4457266476.04 mm 58.956 mm 6.500 mm 10.062 mm 107. HAYSTACK 7205 NOAM Z Comp 4296881706.07 mm -87.925 mm 7.253 mm 11.228 mm HAYSTACK 7205 U Comp -102.03 mm -102.028 mm 9.262 mm 10.787 mm HAYSTACK 7205 E Comp 13.24 mm 13.238 mm 3.315 mm 3.861 mm HAYSTACK 7205 N Comp -25.60 mm -25.597 mm 3.262 mm 3.799 mm 108. HAYSTACK CL 0 1984.09.02-06:00:19.656 9311.443 ns 0.085 ns 0.131 ns 109. HAYSTACK CL 1 1984.09.02-06:00:19.656 672.717 D-14 1.877 D-14 2.905 D-14 110. HAYSTACK CL 2 1984.09.02-06:00:19.656 5.277 D-14/day 1.350 D-14/day 2.090 D-14/day 141. HAYSTACK AT 0 1984.09.02-06:00:19.656 -10.503 ps 39.679 ps 61.423 ps HAYSTACK Atm 1984.09.02-21:00:51.840 Avg: -58.387 ps Rms: 40.018 ps Tot_Rms: 70.785 ps || Nat: 131 Dura: 102700.0 sec Tzd_avg: 8078.7 Tzd_rms: 86.7 Wzd_avg: 519.8 Wzd_rms: 99.1 ps Prs_avg: 100309. Pa Tem_avg: 16.5 C Stm_avg: 1.0 C Stm_rms: 0.7 K Spr_avg: 532. Spr_rms: 32. Pa 232. HAYSTACK NG 1984.09.02-05:59:19.656 0.051 mm 0.418 mm 0.647 mm 233. HAYSTACK EG 1984.09.02-05:59:19.656 0.003 mm 0.418 mm 0.647 mm 234. HAYSTACK NG 1984.09.02-13:59:19.656 0.345 mm 0.371 mm 0.574 mm 235. HAYSTACK EG 1984.09.02-13:59:19.656 0.452 mm 0.368 mm 0.570 mm 236. HAYSTACK NG 1984.09.02-21:59:19.656 -0.065 mm 0.370 mm 0.573 mm 237. HAYSTACK EG 1984.09.02-21:59:19.656 0.049 mm 0.370 mm 0.573 mm 238. HAYSTACK NG 1984.09.03-05:59:19.656 -0.055 mm 0.371 mm 0.574 mm 239. HAYSTACK EG 1984.09.03-05:59:19.656 -0.291 mm 0.371 mm 0.575 mm 240. HAYSTACK NG 1984.09.03-13:59:19.656 -0.004 mm 0.421 mm 0.652 mm 241. HAYSTACK EG 1984.09.03-13:59:19.656 -0.084 mm 0.420 mm 0.650 mm 242. KASHIMA 1856 NOAM X Comp -3997892451.85 mm -175.848 mm 7.414 mm 11.477 mm 243. KASHIMA 1856 NOAM Y Comp 3276581325.08 mm 23.076 mm 5.801 mm 8.980 mm 244. KASHIMA 1856 NOAM Z Comp 3724118333.50 mm 129.501 mm 7.598 mm 11.761 mm KASHIMA 1856 U Comp 197.97 mm 197.971 mm 10.684 mm 12.443 mm KASHIMA 1856 E Comp 93.62 mm 93.620 mm 3.977 mm 4.632 mm KASHIMA 1856 N Comp 16.39 mm 16.386 mm 4.046 mm 4.712 mm 245. KASHIMA CL 0 1984.09.02-06:00:19.656 12708.744 ns 0.101 ns 0.157 ns 246. KASHIMA CL 1 1984.09.02-06:00:19.656 624.608 D-14 1.847 D-14 2.858 D-14 247. KASHIMA CL 2 1984.09.02-06:00:19.656 6.064 D-14/day 1.284 D-14/day 1.987 D-14/day 278. KASHIMA AT 0 1984.09.02-06:00:19.656 -112.638 ps 41.541 ps 64.305 ps KASHIMA Atm 1984.09.02-21:00:51.840 Avg: -80.351 ps Rms: 45.801 ps Tot_Rms: 92.488 ps || Nat: 130 Dura: 106660.0 sec Tzd_avg: 8580.5 Tzd_rms: 49.9 Wzd_avg: 1028.2 Wzd_rms: 53.6 ps Prs_avg: 99992. Pa Tem_avg: 26.3 C Stm_avg: -3.4 C Stm_rms: 2.7 K Spr_avg: 119. Spr_rms: 66. Pa 369. KASHIMA NG 1984.09.02-05:59:19.656 -0.012 mm 0.420 mm 0.650 mm 370. KASHIMA EG 1984.09.02-05:59:19.656 -0.063 mm 0.420 mm 0.651 mm 371. KASHIMA NG 1984.09.02-13:59:19.656 -0.039 mm 0.375 mm 0.580 mm 372. KASHIMA EG 1984.09.02-13:59:19.656 0.047 mm 0.373 mm 0.578 mm 373. KASHIMA NG 1984.09.02-21:59:19.656 0.082 mm 0.371 mm 0.574 mm 374. KASHIMA EG 1984.09.02-21:59:19.656 -0.094 mm 0.367 mm 0.568 mm 375. KASHIMA NG 1984.09.03-05:59:19.656 0.075 mm 0.375 mm 0.580 mm 376. KASHIMA EG 1984.09.03-05:59:19.656 -0.019 mm 0.373 mm 0.578 mm 377. KASHIMA NG 1984.09.03-13:59:19.656 0.024 mm 0.421 mm 0.652 mm 378. KASHIMA EG 1984.09.03-13:59:19.656 -0.059 mm 0.420 mm 0.650 mm 379. MOJAVE12 7222 NOAM X Comp -2356171113.48 mm -17.482 mm 5.323 mm 8.241 mm 380. MOJAVE12 7222 NOAM Y Comp -4646755849.30 mm -17.299 mm 9.038 mm 13.991 mm 381. MOJAVE12 7222 NOAM Z Comp 3668470607.69 mm 26.689 mm 7.753 mm 12.002 mm MOJAVE12 7222 U Comp 34.47 mm 34.472 mm 12.184 mm 14.189 mm MOJAVE12 7222 E Comp -7.77 mm -7.769 mm 3.162 mm 3.682 mm MOJAVE12 7222 N Comp 8.28 mm 8.279 mm 3.420 mm 3.983 mm 382. MOJAVE12 CL 0 1984.09.02-06:00:19.656 -386.932 ns 0.093 ns 0.144 ns 383. MOJAVE12 CL 1 1984.09.02-06:00:19.656 250.452 D-14 1.848 D-14 2.861 D-14 384. MOJAVE12 CL 2 1984.09.02-06:00:19.656 -3.678 D-14/day 1.291 D-14/day 1.998 D-14/day 415. MOJAVE12 AT 0 1984.09.02-06:00:19.656 -119.975 ps 40.389 ps 62.522 ps MOJAVE12 Atm 1984.09.02-21:00:51.840 Avg: 25.692 ps Rms: 95.397 ps Tot_Rms: 98.796 ps || Nat: 114 Dura: 106660.0 sec Tzd_avg: 7276.5 Tzd_rms: 48.3 Wzd_avg: 376.5 Wzd_rms: 44.4 ps Prs_avg: 91169. Pa Tem_avg: 26.7 C Stm_avg: -1.6 C Stm_rms: 3.6 K Spr_avg: 212. Spr_rms: 49. Pa 506. MOJAVE12 NG 1984.09.02-05:59:19.656 -0.030 mm 0.419 mm 0.649 mm 507. MOJAVE12 EG 1984.09.02-05:59:19.656 -0.088 mm 0.417 mm 0.646 mm 508. MOJAVE12 NG 1984.09.02-13:59:19.656 -0.039 mm 0.373 mm 0.577 mm 509. MOJAVE12 EG 1984.09.02-13:59:19.656 -0.178 mm 0.373 mm 0.578 mm 510. MOJAVE12 NG 1984.09.02-21:59:19.656 0.075 mm 0.370 mm 0.573 mm 511. MOJAVE12 EG 1984.09.02-21:59:19.656 -0.035 mm 0.371 mm 0.574 mm 512. MOJAVE12 NG 1984.09.03-05:59:19.656 0.053 mm 0.374 mm 0.579 mm 513. MOJAVE12 EG 1984.09.03-05:59:19.656 0.122 mm 0.372 mm 0.576 mm 514. MOJAVE12 NG 1984.09.03-13:59:19.656 0.016 mm 0.421 mm 0.651 mm 515. MOJAVE12 EG 1984.09.03-13:59:19.656 0.011 mm 0.420 mm 0.651 mm 516. WETTZELL 7224 EURA X Comp 4075539899.32 mm 58.324 mm 8.903 mm 13.782 mm 517. WETTZELL 7224 EURA Y Comp 931735086.15 mm -227.846 mm 4.027 mm 6.233 mm 518. WETTZELL 7224 EURA Z Comp 4801629229.34 mm -163.655 mm 9.666 mm 14.962 mm WETTZELL 7224 U Comp -119.81 mm -119.808 mm 12.462 mm 14.513 mm WETTZELL 7224 E Comp -235.11 mm -235.114 mm 3.990 mm 4.646 mm WETTZELL 7224 N Comp -111.65 mm -111.651 mm 4.206 mm 4.899 mm 519. WETTZELL CL 0 1984.09.02-06:00:19.656 7999.837 ns 0.126 ns 0.195 ns 520. WETTZELL CL 1 1984.09.02-06:00:19.656 466.599 D-14 1.874 D-14 2.902 D-14 521. WETTZELL CL 2 1984.09.02-06:00:19.656 2.583 D-14/day 1.299 D-14/day 2.010 D-14/day 552. WETTZELL AT 0 1984.09.02-06:00:19.656 -51.689 ps 25.513 ps 39.494 ps WETTZELL Atm 1984.09.02-21:00:51.840 Avg: -74.445 ps Rms: 32.756 ps Tot_Rms: 81.333 ps || Nat: 113 Dura: 105708.0 sec Tzd_avg: 7660.9 Tzd_rms: 41.8 Wzd_avg: 497.3 Wzd_rms: 43.4 ps Prs_avg: 95074. Pa Tem_avg: 18.6 C Stm_avg: 0.3 C Stm_rms: 0.9 K Spr_avg: 467. Spr_rms: 20. Pa 643. WETTZELL NG 1984.09.02-05:59:19.656 0.001 mm 0.419 mm 0.649 mm 644. WETTZELL EG 1984.09.02-05:59:19.656 -0.003 mm 0.418 mm 0.648 mm 645. WETTZELL NG 1984.09.02-13:59:19.656 0.021 mm 0.374 mm 0.578 mm 646. WETTZELL EG 1984.09.02-13:59:19.656 -0.007 mm 0.373 mm 0.578 mm 647. WETTZELL NG 1984.09.02-21:59:19.656 0.068 mm 0.372 mm 0.576 mm 648. WETTZELL EG 1984.09.02-21:59:19.656 0.011 mm 0.368 mm 0.570 mm 649. WETTZELL NG 1984.09.03-05:59:19.656 -0.064 mm 0.374 mm 0.579 mm 650. WETTZELL EG 1984.09.03-05:59:19.656 0.046 mm 0.373 mm 0.578 mm 651. WETTZELL NG 1984.09.03-13:59:19.656 -0.026 mm 0.421 mm 0.652 mm 652. WETTZELL EG 1984.09.03-13:59:19.656 -0.006 mm 0.420 mm 0.650 mm Atmosphere Constraint Statistics 1. GILCREEK Input 50.00 ps/h RMS 38.41 ps/h NRMS 0.77 share 0.54 count 91 2. HAYSTACK Input 50.00 ps/h RMS 46.35 ps/h NRMS 0.93 share 0.67 count 91 3. KASHIMA Input 50.00 ps/h RMS 40.44 ps/h NRMS 0.81 share 0.71 count 91 4. MOJAVE12 Input 50.00 ps/h RMS 31.54 ps/h NRMS 0.63 share 0.74 count 91 5. WETTZELL Input 50.00 ps/h RMS 29.38 ps/h NRMS 0.59 share 0.71 count 91 Overall RMS 37.73 ps/h NRMS 0.75 share 0.68 count 455 Gradient Constraint Statistics 1. GILCREEK Input 2.00 mm/d RMS 0.52 mm/d NRMS 0.26 share 0.50 count 10 2. HAYSTACK Input 2.00 mm/d RMS 0.94 mm/d NRMS 0.47 share 0.51 count 10 3. KASHIMA Input 2.00 mm/d RMS 0.25 mm/d NRMS 0.13 share 0.51 count 10 4. MOJAVE12 Input 2.00 mm/d RMS 0.30 mm/d NRMS 0.15 share 0.51 count 10 5. WETTZELL Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.08 share 0.51 count 10 Overall RMS 0.51 mm/d NRMS 0.26 share 0.51 count 50 Clock Constraint Statistics 2. HAYSTACK Input 5.00 D-14 RMS 2.05 D-14 NRMS 0.41 share 0.19 count 31 3. KASHIMA Input 5.00 D-14 RMS 2.30 D-14 NRMS 0.46 share 0.16 count 31 4. MOJAVE12 Input 5.00 D-14 RMS 3.76 D-14 NRMS 0.75 share 0.15 count 31 5. WETTZELL Input 5.00 D-14 RMS 1.76 D-14 NRMS 0.35 share 0.20 count 31 Overall RMS 2.58 D-14 NRMS 0.52 share 0.17 count 124 653. UT1-TAI 1, 1984.09.02-20:49:00.000 -1.2721 ms/d -29.27 micros/d 6.47 micros/d 10.02 micros/d EOP epoch (TDT) MJD: 45945.867734 NUT epoch (TDT) MJD: 45945.854661 654. Nutation DPSI wrt apriori model 1984.09.02-20:49:10.056 -0.050 mas 189.2 microasec 292.9 microasec Nutation Dx wrt apriori model 1984.09.02-20:49:10.056 -0.018 mas 75.0 microasec 116.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.02-20:49:10.056 -7.985 mas 189.2 microasec 292.9 microasec 655. Nutation DEPS wrt apriori model 1984.09.02-20:49:10.056 -0.536 mas 73.3 microasec 113.4 microasec Nutation Dy wrt apriori model 1984.09.02-20:49:10.056 -0.536 mas 73.5 microasec 113.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.02-20:49:10.056 -0.503 mas 73.3 microasec 113.4 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 2.5886 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.02 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) GILCREEK 7225 to HAYSTACK 7205 5039482225.62 5.52 5039482225.62 5.52 238.45 2.11 95.11 13.76 GILCREEK 7225 to KASHIMA 1856 5427104367.05 6.48 5427104367.05 6.48 -296.52 2.38 -178.62 15.73 GILCREEK 7225 to MOJAVE12 7222 3816209198.10 5.52 3816209198.10 5.52 127.09 2.10 -97.14 16.55 GILCREEK 7225 to WETTZELL 7224 6856771486.50 10.85 6856771486.50 10.85 365.11 3.34 249.68 15.30 HAYSTACK 7205 to KASHIMA 1856 9501779959.57 11.96 9501779959.57 11.96 -79.92 2.60 -260.70 12.42 HAYSTACK 7205 to MOJAVE12 7222 3904144265.78 5.73 3904144265.78 5.73 35.96 2.27 -133.36 17.56 HAYSTACK 7205 to WETTZELL 7224 5997390716.65 8.51 5997390716.65 8.51 180.38 2.53 -60.36 17.12 KASHIMA 1856 to MOJAVE12 7222 8091824120.75 12.55 8091824120.75 12.55 -42.75 2.26 173.82 15.84 KASHIMA 1856 to WETTZELL 7224 8475827012.38 14.53 8475827012.38 14.53 18.53 2.87 371.84 14.45 MOJAVE12 7222 to WETTZELL 7224 8588976430.93 14.62 8588976430.93 14.62 264.04 3.33 74.47 16.31 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:16 Correlator type: Unknown Experiment code: ia201 Mark-3 db_name: $84SEP05XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840905_a Ver 2 ia201 Matrix Condition Number = 3.358915904798870E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.9 3.3 845.5 0.7 48.8 1.8 RICHMOND MET 23.2 3.9 1014.6 0.4 47.9 3.9 WESTFORD MET 12.9 2.7 1008.2 2.0 18.8 0.4 WETTZELL MET 8.8 0.9 944.0 1.3 91.1 0.3 Run 26091-1747 455 Observation Pairs Available Session started on: 2445949.248300 1984.09.05 17:57:33.120 UTC Nominal duration: 87117.120 sec 01 00:11:57.120 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 356 39.430 ps 1.00 1.5159 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 373 Number of potentially good observations with QC 5-9: 373 Number of used observations: 356 ( 95.44%) Number of suppressed observations: 17 ( 4.56%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 59 66 18.200 0.77 19840905_a ia201 1984.09.06-06:03:31.6 BAS_STAT HRAS_085 WESTFORD 76 76 86.970 1.08 19840905_a ia201 1984.09.06-06:03:31.6 BAS_STAT HRAS_085 WETTZELL 48 49 55.942 0.94 19840905_a ia201 1984.09.06-06:03:31.6 BAS_STAT RICHMOND WESTFORD 64 67 28.925 0.95 19840905_a ia201 1984.09.06-06:03:31.6 BAS_STAT RICHMOND WETTZELL 24 26 74.750 1.35 19840905_a ia201 1984.09.06-06:03:31.6 BAS_STAT WESTFORD WETTZELL 85 89 63.547 1.04 19840905_a ia201 1984.09.06-06:03:31.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 16 20 43.768 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 0212+735 J0217+7349 30 32 46 74.337 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 0229+131 J0231+1322 20 20 26 26.954 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 0528+134 J0530+1331 31 31 31 54.105 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 0552+398 J0555+3948 31 31 35 30.031 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 1803+784 J1800+7828 26 26 29 67.628 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 2134+00 J2136+0041 28 28 34 29.996 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 3C273B J1229+0203 24 24 26 26.892 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 3C345 J1642+3948 25 29 42 27.000 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 3C454.3 J2253+1608 17 19 23 43.077 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: 4C39.25 J0927+3902 29 32 38 40.095 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: OJ287 J0854+2006 33 34 39 40.226 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: OQ208 J1407+2827 30 32 33 85.105 19840905_a ia201 1984.09.06-06:03:31.680 SRC_STAT: VR422201 J2202+4216 17 19 33 57.206 19840905_a ia201 1984.09.06-06:03:31.680 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.06-06:02:59 1. HRAS_085 7216 NOAM X Comp -1324211046.70 mm -29.695 mm 7.031 mm 8.657 mm 2. HRAS_085 7216 NOAM Y Comp -5332023046.90 mm 35.103 mm 19.501 mm 24.010 mm 3. HRAS_085 7216 NOAM Z Comp 3232118446.49 mm 139.495 mm 13.965 mm 17.194 mm HRAS_085 7216 U Comp 47.93 mm 47.931 mm 23.215 mm 23.315 mm HRAS_085 7216 E Comp -37.28 mm -37.281 mm 6.233 mm 6.260 mm HRAS_085 7216 N Comp 133.74 mm 133.737 mm 6.853 mm 6.883 mm 4. HRAS_085 CL 0 1984.09.05-17:57:00.936 23730.474 ns 0.170 ns 0.209 ns 5. HRAS_085 CL 1 1984.09.05-17:57:00.936 57.771 D-14 2.079 D-14 2.559 D-14 6. HRAS_085 CL 2 1984.09.05-17:57:00.936 6.034 D-14/day 1.784 D-14/day 2.197 D-14/day 32. HRAS_085 AT 0 1984.09.05-17:57:00.936 97.898 ps 63.559 ps 78.256 ps HRAS_085 Atm 1984.09.06-06:27:33.120 Avg: 79.400 ps Rms: 39.499 ps Tot_Rms: 88.682 ps || Nat: 97 Dura: 85920.0 sec Tzd_avg: 6594.4 Tzd_rms: 24.9 Wzd_avg: 175.9 Wzd_rms: 18.6 ps Prs_avg: 84551. Pa Tem_avg: 15.1 C Stm_avg: -3.1 C Stm_rms: 0.9 K Spr_avg: 71. Spr_rms: 54. Pa 108. HRAS_085 NG 1984.09.05-17:56:00.936 0.023 mm 0.422 mm 0.519 mm 109. HRAS_085 EG 1984.09.05-17:56:00.936 -0.031 mm 0.422 mm 0.519 mm 110. HRAS_085 NG 1984.09.06-01:56:00.936 0.002 mm 0.377 mm 0.464 mm 111. HRAS_085 EG 1984.09.06-01:56:00.936 0.015 mm 0.377 mm 0.464 mm 112. HRAS_085 NG 1984.09.06-09:56:00.936 -0.022 mm 0.377 mm 0.464 mm 113. HRAS_085 EG 1984.09.06-09:56:00.936 0.022 mm 0.376 mm 0.464 mm 114. HRAS_085 NG 1984.09.06-17:56:00.936 0.009 mm 0.421 mm 0.519 mm 115. HRAS_085 EG 1984.09.06-17:56:00.936 0.004 mm 0.421 mm 0.519 mm 116. RICHMOND 7219 NOAM X Comp 961257966.16 mm -52.841 mm 5.847 mm 7.199 mm 117. RICHMOND 7219 NOAM Y Comp -5674089967.74 mm 82.265 mm 17.058 mm 21.003 mm 118. RICHMOND 7219 NOAM Z Comp 2740533828.06 mm 30.058 mm 10.483 mm 12.907 mm RICHMOND 7219 U Comp -68.10 mm -68.103 mm 19.122 mm 19.205 mm RICHMOND 7219 E Comp -38.36 mm -38.358 mm 5.700 mm 5.725 mm RICHMOND 7219 N Comp 65.98 mm 65.984 mm 6.076 mm 6.102 mm 119. RICHMOND CL 0 1984.09.05-17:57:00.936 10088.779 ns 0.151 ns 0.186 ns 120. RICHMOND CL 1 1984.09.05-17:57:00.936 -174.972 D-14 2.091 D-14 2.575 D-14 121. RICHMOND CL 2 1984.09.05-17:57:00.936 7.626 D-14/day 1.796 D-14/day 2.211 D-14/day 147. RICHMOND AT 0 1984.09.05-17:57:00.936 126.368 ps 65.644 ps 80.823 ps RICHMOND Atm 1984.09.06-06:27:33.120 Avg: 69.805 ps Rms: 50.204 ps Tot_Rms: 85.983 ps || Nat: 89 Dura: 87118.0 sec Tzd_avg: 8657.8 Tzd_rms: 35.1 Wzd_avg: 974.5 Wzd_rms: 36.7 ps Prs_avg: 101458. Pa Tem_avg: 23.3 C Stm_avg: -4.0 C Stm_rms: 3.1 K Spr_avg: -32. Spr_rms: 54. Pa 223. RICHMOND NG 1984.09.05-17:56:00.936 0.016 mm 0.421 mm 0.519 mm 224. RICHMOND EG 1984.09.05-17:56:00.936 -0.024 mm 0.421 mm 0.518 mm 225. RICHMOND NG 1984.09.06-01:56:00.936 0.020 mm 0.377 mm 0.464 mm 226. RICHMOND EG 1984.09.06-01:56:00.936 -0.070 mm 0.376 mm 0.463 mm 227. RICHMOND NG 1984.09.06-09:56:00.936 -0.022 mm 0.376 mm 0.463 mm 228. RICHMOND EG 1984.09.06-09:56:00.936 -0.026 mm 0.376 mm 0.463 mm 229. RICHMOND NG 1984.09.06-17:56:00.936 -0.013 mm 0.421 mm 0.519 mm 230. RICHMOND EG 1984.09.06-17:56:00.936 0.016 mm 0.421 mm 0.518 mm 231. WESTFORD 7209 NOAM X Comp 1492206578.36 mm 35.360 mm 5.900 mm 7.265 mm 232. WESTFORD 7209 NOAM Y Comp -4458130430.22 mm 91.781 mm 11.392 mm 14.026 mm 233. WESTFORD 7209 NOAM Z Comp 4296015510.01 mm -36.994 mm 10.542 mm 12.980 mm WESTFORD 7209 U Comp -80.84 mm -80.839 mm 14.840 mm 14.904 mm WESTFORD 7209 E Comp 62.66 mm 62.663 mm 5.790 mm 5.815 mm WESTFORD 7209 N Comp 24.10 mm 24.102 mm 4.690 mm 4.710 mm 234. WESTFORD AT 0 1984.09.05-17:57:00.936 57.445 ps 36.363 ps 44.771 ps WESTFORD Atm 1984.09.06-06:27:33.120 Avg: 13.847 ps Rms: 43.383 ps Tot_Rms: 45.539 ps || Nat: 143 Dura: 85920.0 sec Tzd_avg: 7891.6 Tzd_rms: 40.5 Wzd_avg: 262.4 Wzd_rms: 57.9 ps Prs_avg: 100806. Pa Tem_avg: 13.1 C Stm_avg: -0.8 C Stm_rms: 1.1 K Spr_avg: 213. Spr_rms: 38. Pa 310. WESTFORD NG 1984.09.05-17:56:00.936 -0.071 mm 0.421 mm 0.519 mm 311. WESTFORD EG 1984.09.05-17:56:00.936 0.061 mm 0.421 mm 0.518 mm 312. WESTFORD NG 1984.09.06-01:56:00.936 -0.037 mm 0.377 mm 0.464 mm 313. WESTFORD EG 1984.09.06-01:56:00.936 0.040 mm 0.376 mm 0.463 mm 314. WESTFORD NG 1984.09.06-09:56:00.936 0.082 mm 0.376 mm 0.463 mm 315. WESTFORD EG 1984.09.06-09:56:00.936 -0.019 mm 0.376 mm 0.463 mm 316. WESTFORD NG 1984.09.06-17:56:00.936 0.018 mm 0.421 mm 0.519 mm 317. WESTFORD EG 1984.09.06-17:56:00.936 -0.042 mm 0.420 mm 0.517 mm 318. WETTZELL 7224 EURA X Comp 4075539888.18 mm 47.177 mm 14.263 mm 17.560 mm 319. WETTZELL 7224 EURA Y Comp 931735104.85 mm -209.149 mm 11.037 mm 13.589 mm 320. WETTZELL 7224 EURA Z Comp 4801629260.44 mm -132.559 mm 18.433 mm 22.696 mm WETTZELL 7224 U Comp -100.67 mm -100.671 mm 22.190 mm 22.286 mm WETTZELL 7224 E Comp -214.40 mm -214.403 mm 10.958 mm 11.006 mm WETTZELL 7224 N Comp -86.24 mm -86.243 mm 7.247 mm 7.279 mm 321. WETTZELL CL 0 1984.09.05-17:57:00.936 6234.464 ns 0.170 ns 0.209 ns 322. WETTZELL CL 1 1984.09.05-17:57:00.936 -242.623 D-14 2.129 D-14 2.621 D-14 323. WETTZELL CL 2 1984.09.05-17:57:00.936 2.303 D-14/day 1.844 D-14/day 2.270 D-14/day 349. WETTZELL AT 0 1984.09.05-17:57:00.936 0.226 ps 58.210 ps 71.670 ps WETTZELL Atm 1984.09.06-06:27:33.120 Avg: 7.692 ps Rms: 22.488 ps Tot_Rms: 23.767 ps || Nat: 101 Dura: 85920.0 sec Tzd_avg: 7558.9 Tzd_rms: 32.7 Wzd_avg: 449.2 Wzd_rms: 46.2 ps Prs_avg: 94389. Pa Tem_avg: 8.9 C Stm_avg: 0.6 C Stm_rms: 0.9 K Spr_avg: 520. Spr_rms: 50. Pa 425. WETTZELL NG 1984.09.05-17:56:00.936 0.001 mm 0.422 mm 0.520 mm 426. WETTZELL EG 1984.09.05-17:56:00.936 0.007 mm 0.422 mm 0.520 mm 427. WETTZELL NG 1984.09.06-01:56:00.936 -0.010 mm 0.377 mm 0.464 mm 428. WETTZELL EG 1984.09.06-01:56:00.936 -0.001 mm 0.377 mm 0.464 mm 429. WETTZELL NG 1984.09.06-09:56:00.936 -0.027 mm 0.377 mm 0.464 mm 430. WETTZELL EG 1984.09.06-09:56:00.936 -0.020 mm 0.377 mm 0.464 mm 431. WETTZELL NG 1984.09.06-17:56:00.936 -0.000 mm 0.422 mm 0.519 mm 432. WETTZELL EG 1984.09.06-17:56:00.936 -0.000 mm 0.422 mm 0.520 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 16.42 ps/h NRMS 0.33 share 0.87 count 76 2. RICHMOND Input 50.00 ps/h RMS 23.53 ps/h NRMS 0.47 share 0.87 count 76 3. WESTFORD Input 50.00 ps/h RMS 23.43 ps/h NRMS 0.47 share 0.81 count 76 4. WETTZELL Input 50.00 ps/h RMS 19.42 ps/h NRMS 0.39 share 0.85 count 76 Overall RMS 20.91 ps/h NRMS 0.42 share 0.85 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.09 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.12 mm/d NRMS 0.06 share 0.53 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.68 D-14 NRMS 0.54 share 0.27 count 26 2. RICHMOND Input 5.00 D-14 RMS 2.72 D-14 NRMS 0.54 share 0.27 count 26 4. WETTZELL Input 5.00 D-14 RMS 3.00 D-14 NRMS 0.60 share 0.32 count 26 Overall RMS 2.80 D-14 NRMS 0.56 share 0.29 count 78 433. UT1-TAI 1, 1984.09.06-06:03:00.000 -0.9773 ms/d 17.34 micros/d 47.76 micros/d 58.81 micros/d EOP epoch (TDT) MJD: 45949.252456 NUT epoch (TDT) MJD: 45949.281473 434. Nutation DPSI wrt apriori model 1984.09.06-06:02:59.496 -1.232 mas 748.6 microasec 921.7 microasec Nutation Dx wrt apriori model 1984.09.06-06:02:59.496 -0.489 mas 296.9 microasec 365.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.06-06:02:59.496 -9.169 mas 748.6 microasec 921.7 microasec 435. Nutation DEPS wrt apriori model 1984.09.06-06:02:59.496 -0.138 mas 265.6 microasec 327.1 microasec Nutation Dy wrt apriori model 1984.09.06-06:02:59.496 -0.140 mas 266.7 microasec 328.3 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.06-06:02:59.496 -0.280 mas 265.6 microasec 327.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6387 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.06 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632816.19 7.04 2362632816.19 7.04 77.83 5.04 92.94 37.45 HRAS_085 7216 to WESTFORD 7209 3134927990.55 8.85 3134927990.55 8.85 124.13 5.26 151.59 32.23 HRAS_085 7216 to WETTZELL 7224 8417561436.50 26.04 8417561436.50 26.04 311.68 6.43 94.25 34.03 RICHMOND 7219 to WESTFORD 7209 2044501721.34 6.92 2044501721.34 6.92 105.24 3.78 28.04 25.63 RICHMOND 7219 to WETTZELL 7224 7588398458.23 21.77 7588398458.23 21.77 226.53 6.15 -64.10 32.13 WESTFORD 7209 to WETTZELL 7224 5998325327.99 16.14 5998325327.99 16.14 156.78 4.75 -22.83 30.92 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:19 Correlator type: Unknown Experiment code: ia202 Mark-3 db_name: $84SEP10XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840910_a Ver 2 ia202 Matrix Condition Number = 3.246535900017821E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 21.5 4.7 835.8 1.0 41.0 5.6 RICHMOND MET 23.1 4.8 1013.3 1.0 38.4 2.8 WESTFORD MET 20.9 1.8 1004.8 0.9 19.3 2.3 WETTZELL MET 9.8 0.3 945.5 2.2 81.2 2.6 Run 26091-1747 457 Observation Pairs Available Session started on: 2445954.248300 1984.09.10 17:57:33.120 UTC Nominal duration: 86659.200 sec 01 00:04:19.200 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 400 36.869 ps 0.93 1.2575 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 410 Number of potentially good observations with QC 5-9: 410 Number of used observations: 400 ( 97.56%) Number of suppressed observations: 10 ( 2.44%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 72 73 17.463 0.75 19840910_a ia202 1984.09.11-05:59:42.7 BAS_STAT HRAS_085 WESTFORD 82 83 62.154 1.01 19840910_a ia202 1984.09.11-05:59:42.7 BAS_STAT HRAS_085 WETTZELL 49 50 59.655 0.99 19840910_a ia202 1984.09.11-05:59:42.7 BAS_STAT RICHMOND WESTFORD 68 71 30.307 0.85 19840910_a ia202 1984.09.11-05:59:42.7 BAS_STAT RICHMOND WETTZELL 40 43 78.673 1.02 19840910_a ia202 1984.09.11-05:59:42.7 BAS_STAT WESTFORD WETTZELL 89 90 56.862 0.96 19840910_a ia202 1984.09.11-05:59:42.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 18 20 45.808 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 0212+735 J0217+7349 28 28 40 67.478 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 0229+131 J0231+1322 22 22 24 25.018 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 0528+134 J0530+1331 27 27 34 45.141 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 0552+398 J0555+3948 35 36 36 29.131 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 1803+784 J1800+7828 29 29 30 58.837 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 2134+00 J2136+0041 34 34 34 27.160 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 3C273B J1229+0203 22 23 26 18.285 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 3C345 J1642+3948 31 34 40 26.119 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 3C454.3 J2253+1608 27 27 29 42.279 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: 4C39.25 J0927+3902 34 34 38 42.909 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: OJ287 J0854+2006 37 41 41 46.966 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: OQ208 J1407+2827 31 32 32 64.178 19840910_a ia202 1984.09.11-05:59:42.720 SRC_STAT: VR422201 J2202+4216 25 25 33 51.942 19840910_a ia202 1984.09.11-05:59:42.720 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.11-05:59:10 1. HRAS_085 7216 NOAM X Comp -1324211059.69 mm -42.686 mm 6.950 mm 7.794 mm 2. HRAS_085 7216 NOAM Y Comp -5332023062.75 mm 19.254 mm 17.453 mm 19.572 mm 3. HRAS_085 7216 NOAM Z Comp 3232118440.61 mm 133.610 mm 12.761 mm 14.310 mm HRAS_085 7216 U Comp 60.86 mm 60.861 mm 20.716 mm 19.239 mm HRAS_085 7216 E Comp -46.07 mm -46.068 mm 6.161 mm 5.722 mm HRAS_085 7216 N Comp 119.24 mm 119.239 mm 6.975 mm 6.478 mm 4. HRAS_085 AT 0 1984.09.10-17:57:00.936 -50.353 ps 57.298 ps 64.253 ps HRAS_085 Atm 1984.09.11-06:27:33.120 Avg: -34.310 ps Rms: 15.031 ps Tot_Rms: 37.458 ps || Nat: 99 Dura: 86300.0 sec Tzd_avg: 6782.2 Tzd_rms: 16.5 Wzd_avg: 442.5 Wzd_rms: 16.2 ps Prs_avg: 83577. Pa Tem_avg: 21.7 C Stm_avg: -1.5 C Stm_rms: 0.7 K Spr_avg: 12. Spr_rms: 45. Pa 80. HRAS_085 NG 1984.09.10-17:56:00.936 0.032 mm 0.422 mm 0.473 mm 81. HRAS_085 EG 1984.09.10-17:56:00.936 0.021 mm 0.421 mm 0.473 mm 82. HRAS_085 NG 1984.09.11-01:56:00.936 0.019 mm 0.377 mm 0.422 mm 83. HRAS_085 EG 1984.09.11-01:56:00.936 0.037 mm 0.376 mm 0.422 mm 84. HRAS_085 NG 1984.09.11-09:56:00.936 -0.019 mm 0.376 mm 0.422 mm 85. HRAS_085 EG 1984.09.11-09:56:00.936 0.025 mm 0.376 mm 0.422 mm 86. HRAS_085 NG 1984.09.11-17:56:00.936 0.039 mm 0.421 mm 0.472 mm 87. HRAS_085 EG 1984.09.11-17:56:00.936 -0.042 mm 0.421 mm 0.472 mm 88. RICHMOND 7219 NOAM X Comp 961257959.90 mm -59.104 mm 6.005 mm 6.734 mm 89. RICHMOND 7219 NOAM Y Comp -5674089973.33 mm 76.669 mm 15.720 mm 17.628 mm 90. RICHMOND 7219 NOAM Z Comp 2740533808.39 mm 10.394 mm 10.116 mm 11.344 mm RICHMOND 7219 U Comp -72.57 mm -72.572 mm 17.675 mm 16.415 mm RICHMOND 7219 E Comp -45.47 mm -45.468 mm 5.967 mm 5.542 mm RICHMOND 7219 N Comp 46.32 mm 46.318 mm 6.122 mm 5.686 mm 91. RICHMOND CL 0 1984.09.10-17:57:00.936 -14474.570 ns 0.182 ns 0.204 ns 92. RICHMOND CL 1 1984.09.10-17:57:00.936 -288.076 D-14 2.076 D-14 2.328 D-14 93. RICHMOND CL 2 1984.09.10-17:57:00.936 1.522 D-14/day 1.803 D-14/day 2.022 D-14/day 119. RICHMOND AT 0 1984.09.10-17:57:00.936 28.672 ps 58.368 ps 65.452 ps RICHMOND Atm 1984.09.11-06:27:33.120 Avg: -22.126 ps Rms: 42.401 ps Tot_Rms: 47.827 ps || Nat: 90 Dura: 85920.0 sec Tzd_avg: 8284.4 Tzd_rms: 21.1 Wzd_avg: 601.7 Wzd_rms: 22.4 ps Prs_avg: 101326. Pa Tem_avg: 23.1 C Stm_avg: -5.2 C Stm_rms: 3.6 K Spr_avg: 12. Spr_rms: 82. Pa 195. RICHMOND NG 1984.09.10-17:56:00.936 -0.050 mm 0.421 mm 0.472 mm 196. RICHMOND EG 1984.09.10-17:56:00.936 0.006 mm 0.421 mm 0.472 mm 197. RICHMOND NG 1984.09.11-01:56:00.936 0.003 mm 0.376 mm 0.422 mm 198. RICHMOND EG 1984.09.11-01:56:00.936 -0.011 mm 0.376 mm 0.421 mm 199. RICHMOND NG 1984.09.11-09:56:00.936 0.050 mm 0.376 mm 0.422 mm 200. RICHMOND EG 1984.09.11-09:56:00.936 -0.021 mm 0.376 mm 0.421 mm 201. RICHMOND NG 1984.09.11-17:56:00.936 -0.039 mm 0.421 mm 0.472 mm 202. RICHMOND EG 1984.09.11-17:56:00.936 0.056 mm 0.421 mm 0.472 mm 203. WESTFORD 7209 NOAM X Comp 1492206573.42 mm 30.420 mm 6.106 mm 6.847 mm 204. WESTFORD 7209 NOAM Y Comp -4458130420.84 mm 101.162 mm 10.981 mm 12.314 mm 205. WESTFORD 7209 NOAM Z Comp 4296015504.06 mm -42.940 mm 10.890 mm 12.212 mm WESTFORD 7209 U Comp -92.57 mm -92.566 mm 14.868 mm 13.808 mm WESTFORD 7209 E Comp 60.96 mm 60.956 mm 5.855 mm 5.438 mm WESTFORD 7209 N Comp 26.81 mm 26.810 mm 4.596 mm 4.268 mm 206. WESTFORD CL 0 1984.09.10-17:57:00.936 -24014.246 ns 0.152 ns 0.171 ns 207. WESTFORD CL 1 1984.09.10-17:57:00.936 -60.413 D-14 2.072 D-14 2.324 D-14 208. WESTFORD CL 2 1984.09.10-17:57:00.936 -4.560 D-14/day 1.799 D-14/day 2.018 D-14/day 234. WESTFORD AT 0 1984.09.10-17:57:00.936 41.390 ps 36.455 ps 40.879 ps WESTFORD Atm 1984.09.11-06:27:33.120 Avg: 29.243 ps Rms: 37.220 ps Tot_Rms: 47.334 ps || Nat: 145 Dura: 86660.0 sec Tzd_avg: 8210.1 Tzd_rms: 64.7 Wzd_avg: 618.3 Wzd_rms: 75.0 ps Prs_avg: 100473. Pa Tem_avg: 21.1 C Stm_avg: 0.8 C Stm_rms: 0.8 K Spr_avg: 210. Spr_rms: 34. Pa 310. WESTFORD NG 1984.09.10-17:56:00.936 0.009 mm 0.421 mm 0.472 mm 311. WESTFORD EG 1984.09.10-17:56:00.936 -0.016 mm 0.420 mm 0.472 mm 312. WESTFORD NG 1984.09.11-01:56:00.936 -0.009 mm 0.376 mm 0.422 mm 313. WESTFORD EG 1984.09.11-01:56:00.936 0.002 mm 0.375 mm 0.421 mm 314. WESTFORD NG 1984.09.11-09:56:00.936 -0.020 mm 0.376 mm 0.422 mm 315. WESTFORD EG 1984.09.11-09:56:00.936 0.044 mm 0.376 mm 0.421 mm 316. WESTFORD NG 1984.09.11-17:56:00.936 0.015 mm 0.421 mm 0.473 mm 317. WESTFORD EG 1984.09.11-17:56:00.936 -0.003 mm 0.421 mm 0.472 mm 318. WETTZELL 7224 EURA X Comp 4075539912.37 mm 71.371 mm 15.582 mm 17.473 mm 319. WETTZELL 7224 EURA Y Comp 931735116.92 mm -197.085 mm 10.350 mm 11.606 mm 320. WETTZELL 7224 EURA Z Comp 4801629291.94 mm -101.063 mm 19.208 mm 21.540 mm WETTZELL 7224 U Comp -59.66 mm -59.661 mm 23.890 mm 22.187 mm WETTZELL 7224 E Comp -208.03 mm -208.034 mm 10.274 mm 9.541 mm WETTZELL 7224 N Comp -85.51 mm -85.513 mm 6.526 mm 6.060 mm 321. WETTZELL CL 0 1984.09.10-17:57:00.936 -18840.772 ns 0.204 ns 0.228 ns 322. WETTZELL CL 1 1984.09.10-17:57:00.936 -318.582 D-14 2.115 D-14 2.372 D-14 323. WETTZELL CL 2 1984.09.10-17:57:00.936 -2.965 D-14/day 1.829 D-14/day 2.051 D-14/day 349. WETTZELL AT 0 1984.09.10-17:57:00.936 23.544 ps 59.580 ps 66.811 ps WETTZELL Atm 1984.09.11-06:27:33.120 Avg: -8.360 ps Rms: 22.786 ps Tot_Rms: 24.271 ps || Nat: 100 Dura: 85920.0 sec Tzd_avg: 7519.1 Tzd_rms: 32.8 Wzd_avg: 393.8 Wzd_rms: 28.1 ps Prs_avg: 94543. Pa Tem_avg: 9.8 C Stm_avg: -0.1 C Stm_rms: 0.8 K Spr_avg: 490. Spr_rms: 27. Pa 425. WETTZELL NG 1984.09.10-17:56:00.936 0.002 mm 0.422 mm 0.473 mm 426. WETTZELL EG 1984.09.10-17:56:00.936 -0.006 mm 0.422 mm 0.474 mm 427. WETTZELL NG 1984.09.11-01:56:00.936 0.006 mm 0.377 mm 0.423 mm 428. WETTZELL EG 1984.09.11-01:56:00.936 0.000 mm 0.377 mm 0.423 mm 429. WETTZELL NG 1984.09.11-09:56:00.936 0.015 mm 0.377 mm 0.423 mm 430. WETTZELL EG 1984.09.11-09:56:00.936 0.013 mm 0.377 mm 0.423 mm 431. WETTZELL NG 1984.09.11-17:56:00.936 -0.007 mm 0.422 mm 0.473 mm 432. WETTZELL EG 1984.09.11-17:56:00.936 -0.000 mm 0.422 mm 0.474 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.74 ps/h NRMS 0.31 share 0.83 count 76 2. RICHMOND Input 50.00 ps/h RMS 18.75 ps/h NRMS 0.37 share 0.85 count 76 3. WESTFORD Input 50.00 ps/h RMS 22.48 ps/h NRMS 0.45 share 0.81 count 76 4. WETTZELL Input 50.00 ps/h RMS 18.14 ps/h NRMS 0.36 share 0.85 count 76 Overall RMS 18.93 ps/h NRMS 0.38 share 0.84 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.09 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.12 mm/d NRMS 0.06 share 0.53 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 1.36 D-14 NRMS 0.27 share 0.23 count 26 3. WESTFORD Input 5.00 D-14 RMS 2.25 D-14 NRMS 0.45 share 0.24 count 26 4. WETTZELL Input 5.00 D-14 RMS 1.71 D-14 NRMS 0.34 share 0.30 count 26 Overall RMS 1.81 D-14 NRMS 0.36 share 0.26 count 78 433. UT1-TAI 1, 1984.09.11-05:59:00.000 -1.5386 ms/d -21.91 micros/d 46.44 micros/d 52.08 micros/d EOP epoch (TDT) MJD: 45954.249678 NUT epoch (TDT) MJD: 45954.253250 434. Nutation DPSI wrt apriori model 1984.09.11-05:59:10.536 -0.473 mas 671.3 microasec 752.8 microasec Nutation Dx wrt apriori model 1984.09.11-05:59:10.536 -0.188 mas 266.2 microasec 298.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.11-05:59:10.536 -7.575 mas 671.3 microasec 752.8 microasec 435. Nutation DEPS wrt apriori model 1984.09.11-05:59:10.536 -0.075 mas 251.3 microasec 281.8 microasec Nutation Dy wrt apriori model 1984.09.11-05:59:10.536 -0.075 mas 252.2 microasec 282.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.11-05:59:10.536 0.730 mas 251.3 microasec 281.8 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3444 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632824.08 6.03 2362632824.08 6.03 83.24 4.33 108.71 34.00 HRAS_085 7216 to WESTFORD 7209 3134928004.80 8.05 3134928004.80 8.05 114.01 4.43 171.49 29.28 HRAS_085 7216 to WETTZELL 7224 8417561488.10 25.98 8417561488.10 25.98 305.54 5.88 64.94 33.12 RICHMOND 7219 to WESTFORD 7209 2044501741.03 6.32 2044501741.03 6.32 102.08 3.66 32.11 24.65 RICHMOND 7219 to WETTZELL 7224 7588398500.00 22.24 7588398500.00 22.24 215.27 5.63 -108.66 32.25 WESTFORD 7209 to WETTZELL 7224 5998325346.10 16.85 5998325346.10 16.85 156.19 4.51 -66.76 33.09 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:22 Correlator type: Unknown Experiment code: ia203 Mark-3 db_name: $84SEP15XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840915_a Ver 2 ia203 Matrix Condition Number = 3.377089611825720E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 12.1 1.5 845.0 0.6 93.9 66.4 RICHMOND MET 27.7 1.2 1011.1 0.4 59.7 8.8 WESTFORD MET 8.3 1.5 1006.4 4.2 87.0 61.6 WETTZELL MET 13.5 0.5 942.4 0.3 93.2 3.4 Run 26091-1747 273 Observation Pairs Available Session started on: 2445959.256800 1984.09.15 18:09:47.520 UTC Nominal duration: 85190.400 sec 00 23:39:50.400 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 238 47.633 ps 0.91 1.2767 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 246 Number of potentially good observations with QC 5-9: 246 Number of used observations: 238 ( 96.75%) Number of suppressed observations: 8 ( 3.25%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 11 13 13.736 0.69 19840915_a ia203 1984.09.16-05:59:42.7 BAS_STAT HRAS_085 WESTFORD 73 77 42.879 0.88 19840915_a ia203 1984.09.16-05:59:42.7 BAS_STAT HRAS_085 WETTZELL 48 49 44.781 0.78 19840915_a ia203 1984.09.16-05:59:42.7 BAS_STAT RICHMOND WESTFORD 12 12 145.974 1.09 19840915_a ia203 1984.09.16-05:59:42.7 BAS_STAT RICHMOND WETTZELL 4 4 33.077 0.85 19840915_a ia203 1984.09.16-05:59:42.7 BAS_STAT WESTFORD WETTZELL 90 91 89.657 1.00 19840915_a ia203 1984.09.16-05:59:42.7 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 8 8 8 55.835 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 0212+735 J0217+7349 28 28 29 92.657 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 0229+131 J0231+1322 13 13 13 29.015 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 0528+134 J0530+1331 14 14 14 72.377 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 0552+398 J0555+3948 16 16 16 42.941 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 1803+784 J1800+7828 28 29 29 74.203 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 2134+00 J2136+0041 15 16 17 73.043 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 3C273B J1229+0203 13 16 16 14.008 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 3C345 J1642+3948 25 25 32 24.546 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 3C454.3 J2253+1608 15 15 16 49.864 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: 4C39.25 J0927+3902 12 12 22 47.500 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: OJ287 J0854+2006 16 17 18 64.210 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: OQ208 J1407+2827 23 24 25 79.803 19840915_a ia203 1984.09.16-05:59:42.720 SRC_STAT: VR422201 J2202+4216 12 13 18 57.163 19840915_a ia203 1984.09.16-05:59:42.720 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.16-05:59:10 1. HRAS_085 7216 NOAM X Comp -1324211057.27 mm -40.273 mm 9.894 mm 11.179 mm 2. HRAS_085 7216 NOAM Y Comp -5332023102.97 mm -20.967 mm 27.944 mm 31.574 mm 3. HRAS_085 7216 NOAM Z Comp 3232118463.02 mm 156.025 mm 18.794 mm 21.235 mm HRAS_085 7216 U Comp 105.37 mm 105.370 mm 31.893 mm 29.069 mm HRAS_085 7216 E Comp -34.03 mm -34.032 mm 9.914 mm 9.036 mm HRAS_085 7216 N Comp 118.93 mm 118.930 mm 10.793 mm 9.837 mm 4. HRAS_085 AT 0 1984.09.15-18:09:15.336 -54.878 ps 62.939 ps 71.115 ps HRAS_085 Atm 1984.09.16-06:09:47.520 Avg: -86.884 ps Rms: 47.249 ps Tot_Rms: 98.900 ps || Nat: 93 Dura: 85192.0 sec Tzd_avg: 6899.2 Tzd_rms: 20.3 Wzd_avg: 496.3 Wzd_rms: 22.7 ps Prs_avg: 84505. Pa Tem_avg: 12.2 C Stm_avg: -5.3 C Stm_rms: 1.3 K Spr_avg: 88. Spr_rms: 27. Pa 77. HRAS_085 NG 1984.09.15-18:08:15.336 0.001 mm 0.422 mm 0.477 mm 78. HRAS_085 EG 1984.09.15-18:08:15.336 -0.019 mm 0.422 mm 0.477 mm 79. HRAS_085 NG 1984.09.16-02:08:15.336 0.018 mm 0.377 mm 0.426 mm 80. HRAS_085 EG 1984.09.16-02:08:15.336 0.011 mm 0.377 mm 0.426 mm 81. HRAS_085 NG 1984.09.16-10:08:15.336 -0.019 mm 0.377 mm 0.426 mm 82. HRAS_085 EG 1984.09.16-10:08:15.336 0.029 mm 0.377 mm 0.426 mm 83. HRAS_085 NG 1984.09.16-18:08:15.336 -0.036 mm 0.422 mm 0.477 mm 84. HRAS_085 EG 1984.09.16-18:08:15.336 0.033 mm 0.422 mm 0.477 mm 85. RICHMOND 7219 NOAM X Comp 961257949.70 mm -69.303 mm 15.565 mm 17.587 mm 86. RICHMOND 7219 NOAM Y Comp -5674089949.58 mm 100.417 mm 43.078 mm 48.674 mm 87. RICHMOND 7219 NOAM Z Comp 2740533814.69 mm 16.688 mm 24.204 mm 27.348 mm RICHMOND 7219 U Comp -92.50 mm -92.501 mm 45.443 mm 41.418 mm RICHMOND 7219 E Comp -51.56 mm -51.557 mm 12.209 mm 11.128 mm RICHMOND 7219 N Comp 62.85 mm 62.853 mm 21.671 mm 19.751 mm 88. RICHMOND CL 0 1984.09.15-18:09:15.336 -15676.272 ns 0.359 ns 0.406 ns 89. RICHMOND CL 1 1984.09.15-18:09:15.336 -272.852 D-14 5.157 D-14 5.827 D-14 90. RICHMOND CL 2 1984.09.15-18:09:15.336 4.501 D-14/day 20.850 D-14/day 23.559 D-14/day 115. RICHMOND AT 0 1984.09.15-18:09:15.336 10.251 ps 98.869 ps 111.713 ps RICHMOND Atm 1984.09.16-06:09:47.520 Avg: 20.103 ps Rms: 3.605 ps Tot_Rms: 20.424 ps || Nat: 16 Dura: 19492.0 sec Tzd_avg: 8654.0 Tzd_rms: 13.1 Wzd_avg: 992.5 Wzd_rms: 11.4 ps Prs_avg: 101110. Pa Tem_avg: 27.7 C Stm_avg: -0.3 C Stm_rms: 1.1 K Spr_avg: -101. Spr_rms: 27. Pa 188. RICHMOND NG 1984.09.15-18:08:15.336 0.007 mm 0.422 mm 0.477 mm 189. RICHMOND EG 1984.09.15-18:08:15.336 0.011 mm 0.422 mm 0.477 mm 190. RICHMOND NG 1984.09.16-02:08:15.336 0.007 mm 0.377 mm 0.426 mm 191. RICHMOND EG 1984.09.16-02:08:15.336 0.007 mm 0.377 mm 0.426 mm 192. RICHMOND NG 1984.09.16-10:08:15.336 0.002 mm 0.377 mm 0.426 mm 193. RICHMOND EG 1984.09.16-10:08:15.336 0.002 mm 0.377 mm 0.426 mm 194. RICHMOND NG 1984.09.16-18:08:15.336 0.001 mm 0.422 mm 0.477 mm 195. RICHMOND EG 1984.09.16-18:08:15.336 0.001 mm 0.422 mm 0.477 mm 196. WESTFORD 7209 NOAM X Comp 1492206579.12 mm 36.117 mm 9.258 mm 10.460 mm 197. WESTFORD 7209 NOAM Y Comp -4458130402.92 mm 119.082 mm 21.899 mm 24.744 mm 198. WESTFORD 7209 NOAM Z Comp 4296015495.07 mm -51.925 mm 18.237 mm 20.606 mm WESTFORD 7209 U Comp -109.82 mm -109.824 mm 26.594 mm 24.239 mm WESTFORD 7209 E Comp 72.05 mm 72.047 mm 8.923 mm 8.133 mm WESTFORD 7209 N Comp 30.48 mm 30.479 mm 10.536 mm 9.603 mm 199. WESTFORD CL 0 1984.09.15-18:09:15.336 -24182.409 ns 0.233 ns 0.264 ns 200. WESTFORD CL 1 1984.09.15-18:09:15.336 -90.946 D-14 2.141 D-14 2.419 D-14 201. WESTFORD CL 2 1984.09.15-18:09:15.336 4.706 D-14/day 1.883 D-14/day 2.128 D-14/day 226. WESTFORD AT 0 1984.09.15-18:09:15.336 44.573 ps 48.938 ps 55.295 ps WESTFORD Atm 1984.09.16-06:09:47.520 Avg: 17.500 ps Rms: 29.283 ps Tot_Rms: 34.114 ps || Nat: 138 Dura: 83592.0 sec Tzd_avg: 7924.7 Tzd_rms: 103.7 Wzd_avg: 309.3 Wzd_rms: 137.9 ps Prs_avg: 100683. Pa Tem_avg: 8.4 C Stm_avg: -0.3 C Stm_rms: 1.6 K Spr_avg: 251. Spr_rms: 25. Pa 299. WESTFORD NG 1984.09.15-18:08:15.336 -0.048 mm 0.422 mm 0.477 mm 300. WESTFORD EG 1984.09.15-18:08:15.336 0.063 mm 0.421 mm 0.476 mm 301. WESTFORD NG 1984.09.16-02:08:15.336 -0.038 mm 0.377 mm 0.426 mm 302. WESTFORD EG 1984.09.16-02:08:15.336 0.031 mm 0.376 mm 0.425 mm 303. WESTFORD NG 1984.09.16-10:08:15.336 0.039 mm 0.377 mm 0.426 mm 304. WESTFORD EG 1984.09.16-10:08:15.336 0.022 mm 0.376 mm 0.425 mm 305. WESTFORD NG 1984.09.16-18:08:15.336 0.038 mm 0.422 mm 0.477 mm 306. WESTFORD EG 1984.09.16-18:08:15.336 0.014 mm 0.422 mm 0.477 mm 307. WETTZELL 7224 EURA X Comp 4075539914.46 mm 73.460 mm 19.525 mm 22.061 mm 308. WETTZELL 7224 EURA Y Comp 931735115.47 mm -198.531 mm 19.072 mm 21.549 mm 309. WETTZELL 7224 EURA Z Comp 4801629272.21 mm -120.787 mm 26.451 mm 29.887 mm WETTZELL 7224 U Comp -73.46 mm -73.458 mm 30.229 mm 27.552 mm WETTZELL 7224 E Comp -209.91 mm -209.910 mm 19.519 mm 17.790 mm WETTZELL 7224 N Comp -99.71 mm -99.711 mm 12.240 mm 11.156 mm 310. WETTZELL CL 0 1984.09.15-18:09:15.336 -20269.606 ns 0.272 ns 0.307 ns 311. WETTZELL CL 1 1984.09.15-18:09:15.336 -345.876 D-14 2.230 D-14 2.519 D-14 312. WETTZELL CL 2 1984.09.15-18:09:15.336 -3.372 D-14/day 1.962 D-14/day 2.217 D-14/day 337. WETTZELL AT 0 1984.09.15-18:09:15.336 -18.866 ps 55.735 ps 62.976 ps WETTZELL Atm 1984.09.16-06:09:47.520 Avg: -17.396 ps Rms: 22.184 ps Tot_Rms: 28.191 ps || Nat: 100 Dura: 83120.0 sec Tzd_avg: 7674.8 Tzd_rms: 23.3 Wzd_avg: 582.9 Wzd_rms: 22.2 ps Prs_avg: 94241. Pa Tem_avg: 13.5 C Stm_avg: 1.2 C Stm_rms: 0.5 K Spr_avg: 545. Spr_rms: 48. Pa 410. WETTZELL NG 1984.09.15-18:08:15.336 0.013 mm 0.422 mm 0.477 mm 411. WETTZELL EG 1984.09.15-18:08:15.336 0.013 mm 0.422 mm 0.477 mm 412. WETTZELL NG 1984.09.16-02:08:15.336 -0.006 mm 0.377 mm 0.426 mm 413. WETTZELL EG 1984.09.16-02:08:15.336 -0.006 mm 0.377 mm 0.426 mm 414. WETTZELL NG 1984.09.16-10:08:15.336 -0.025 mm 0.377 mm 0.426 mm 415. WETTZELL EG 1984.09.16-10:08:15.336 -0.015 mm 0.377 mm 0.426 mm 416. WETTZELL NG 1984.09.16-18:08:15.336 -0.020 mm 0.422 mm 0.477 mm 417. WETTZELL EG 1984.09.16-18:08:15.336 -0.002 mm 0.422 mm 0.477 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 17.78 ps/h NRMS 0.36 share 0.89 count 73 2. RICHMOND Input 50.00 ps/h RMS 4.35 ps/h NRMS 0.09 share 0.98 count 73 3. WESTFORD Input 50.00 ps/h RMS 23.48 ps/h NRMS 0.47 share 0.86 count 73 4. WETTZELL Input 50.00 ps/h RMS 15.50 ps/h NRMS 0.31 share 0.87 count 73 Overall RMS 16.78 ps/h NRMS 0.34 share 0.90 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.01 mm/d NRMS 0.01 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.54 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.07 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 1.47 D-14 NRMS 0.29 share 0.90 count 25 3. WESTFORD Input 5.00 D-14 RMS 5.35 D-14 NRMS 1.07 share 0.29 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.55 D-14 NRMS 0.51 share 0.36 count 25 Overall RMS 3.53 D-14 NRMS 0.71 share 0.52 count 75 418. UT1-TAI 1, 1984.09.16-05:59:00.000 -1.4437 ms/d -90.88 micros/d 68.43 micros/d 77.32 micros/d EOP epoch (TDT) MJD: 45959.249678 NUT epoch (TDT) MJD: 45959.171052 419. Nutation DPSI wrt apriori model 1984.09.16-05:59:10.536 -1.442 mas 1009.5 microasec 1140.6 microasec Nutation Dx wrt apriori model 1984.09.16-05:59:10.536 -0.576 mas 400.3 microasec 452.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.16-05:59:10.536 -8.449 mas 1009.5 microasec 1140.6 microasec 420. Nutation DEPS wrt apriori model 1984.09.16-05:59:10.536 0.859 mas 386.1 microasec 436.3 microasec Nutation Dy wrt apriori model 1984.09.16-05:59:10.536 0.857 mas 387.5 microasec 437.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.16-05:59:10.536 1.280 mas 386.1 microasec 436.3 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4424 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632805.97 25.45 2362632805.97 25.45 71.06 22.47 172.23 66.21 HRAS_085 7216 to WESTFORD 7209 3134928013.30 11.21 3134928013.30 11.21 106.36 5.93 236.65 46.60 HRAS_085 7216 to WETTZELL 7224 8417561508.89 34.52 8417561508.89 34.52 307.95 7.40 118.24 45.50 RICHMOND 7219 to WESTFORD 7209 2044501730.06 26.94 2044501730.06 26.94 122.06 22.21 32.90 62.51 RICHMOND 7219 to WETTZELL 7224 7588398476.04 44.38 7588398476.04 44.38 245.05 28.50 -107.18 59.56 WESTFORD 7209 to WETTZELL 7224 5998325326.24 21.19 5998325326.24 21.19 165.65 6.05 -62.34 43.64 NNT_POS: 3 stations participated in NNT_POS constraints: HRAS_085 WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:25 Correlator type: Unknown Experiment code: ia204 Mark-3 db_name: $84SEP20XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840920_a Ver 2 ia204 Matrix Condition Number = 5.578602880456393E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.8 4.3 835.1 1.1 46.3 0.3 WESTFORD MET 18.1 3.8 996.9 5.1 16.2 1.0 WETTZELL MET 12.9 2.9 941.2 1.4 71.3 0.4 Run 26091-1747 191 Observation Pairs Available Session started on: 2445964.249700 1984.09.20 17:59:34.080 UTC Nominal duration: 86564.160 sec 01 00:02:44.160 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 164 42.142 ps 0.82 1.1816 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 169 Number of potentially good observations with QC 5-9: 169 Number of used observations: 164 ( 97.04%) Number of suppressed observations: 5 ( 2.96%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 WESTFORD 65 68 30.541 0.69 19840920_a ia204 1984.09.21-06:00:56.1 BAS_STAT HRAS_085 WETTZELL 32 32 72.869 0.92 19840920_a ia204 1984.09.21-06:00:56.1 BAS_STAT WESTFORD WETTZELL 67 69 46.573 0.89 19840920_a ia204 1984.09.21-06:00:56.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 7 7 7 53.681 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 0212+735 J0217+7349 19 20 23 68.561 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 0229+131 J0231+1322 11 11 11 34.782 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 0528+134 J0530+1331 8 8 8 47.945 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 0552+398 J0555+3948 13 13 15 39.392 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 1803+784 J1800+7828 26 26 28 47.006 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 2134+00 J2136+0041 7 7 7 32.051 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 3C273B J1229+0203 6 8 10 37.368 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 3C345 J1642+3948 13 14 16 25.932 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 3C454.3 J2253+1608 10 10 11 30.503 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: 4C39.25 J0927+3902 7 7 12 30.979 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: OJ287 J0854+2006 15 15 17 43.456 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: OQ208 J1407+2827 13 13 15 43.181 19840920_a ia204 1984.09.21-06:00:56.160 SRC_STAT: VR422201 J2202+4216 9 10 11 106.150 19840920_a ia204 1984.09.21-06:00:56.160 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.21-06:00:23 1. HRAS_085 7216 NOAM X Comp -1324211106.72 mm -89.716 mm 11.136 mm 12.105 mm 2. HRAS_085 7216 NOAM Y Comp -5332023021.99 mm 60.007 mm 29.666 mm 32.248 mm 3. HRAS_085 7216 NOAM Z Comp 3232118462.59 mm 155.592 mm 20.884 mm 22.701 mm HRAS_085 7216 U Comp 47.79 mm 47.786 mm 35.632 mm 29.234 mm HRAS_085 7216 E Comp -101.53 mm -101.535 mm 8.034 mm 6.591 mm HRAS_085 7216 N Comp 152.53 mm 152.532 mm 10.298 mm 8.449 mm 4. HRAS_085 AT 0 1984.09.20-17:59:01.896 -19.766 ps 87.491 ps 95.104 ps HRAS_085 Atm 1984.09.21-05:59:34.080 Avg: 46.909 ps Rms: 20.229 ps Tot_Rms: 51.085 ps || Nat: 82 Dura: 86572.0 sec Tzd_avg: 6616.0 Tzd_rms: 24.4 Wzd_avg: 275.8 Wzd_rms: 32.6 ps Prs_avg: 83510. Pa Tem_avg: 14.2 C Stm_avg: -4.3 C Stm_rms: 1.3 K Spr_avg: 16. Spr_rms: 60. Pa 77. HRAS_085 NG 1984.09.20-17:58:01.896 0.002 mm 0.422 mm 0.459 mm 78. HRAS_085 EG 1984.09.20-17:58:01.896 0.034 mm 0.422 mm 0.459 mm 79. HRAS_085 NG 1984.09.21-01:58:01.896 -0.004 mm 0.377 mm 0.410 mm 80. HRAS_085 EG 1984.09.21-01:58:01.896 0.014 mm 0.377 mm 0.410 mm 81. HRAS_085 NG 1984.09.21-09:58:01.896 -0.012 mm 0.377 mm 0.410 mm 82. HRAS_085 EG 1984.09.21-09:58:01.896 -0.016 mm 0.377 mm 0.410 mm 83. HRAS_085 NG 1984.09.21-17:58:01.896 -0.002 mm 0.422 mm 0.459 mm 84. HRAS_085 EG 1984.09.21-17:58:01.896 -0.012 mm 0.422 mm 0.459 mm 85. WESTFORD 7209 NOAM X Comp 1492206541.53 mm -1.472 mm 9.177 mm 9.975 mm 86. WESTFORD 7209 NOAM Y Comp -4458130393.33 mm 128.671 mm 17.630 mm 19.164 mm 87. WESTFORD 7209 NOAM Z Comp 4296015506.42 mm -40.584 mm 16.730 mm 18.186 mm WESTFORD 7209 U Comp -117.62 mm -117.619 mm 22.830 mm 18.730 mm WESTFORD 7209 E Comp 39.45 mm 39.446 mm 10.784 mm 8.847 mm WESTFORD 7209 N Comp 53.06 mm 53.060 mm 6.120 mm 5.021 mm 88. WESTFORD CL 0 1984.09.20-17:59:01.896 -24626.816 ns 0.272 ns 0.295 ns 89. WESTFORD CL 1 1984.09.20-17:59:01.896 -125.622 D-14 2.099 D-14 2.282 D-14 90. WESTFORD CL 2 1984.09.20-17:59:01.896 -3.735 D-14/day 1.818 D-14/day 1.977 D-14/day 115. WESTFORD AT 0 1984.09.20-17:59:01.896 41.565 ps 43.692 ps 47.493 ps WESTFORD Atm 1984.09.21-05:59:34.080 Avg: 25.204 ps Rms: 49.938 ps Tot_Rms: 55.938 ps || Nat: 123 Dura: 86572.0 sec Tzd_avg: 7952.9 Tzd_rms: 118.4 Wzd_avg: 412.1 Wzd_rms: 159.1 ps Prs_avg: 99733. Pa Tem_avg: 18.0 C Stm_avg: -0.2 C Stm_rms: 0.5 K Spr_avg: 236. Spr_rms: 57. Pa 188. WESTFORD NG 1984.09.20-17:58:01.896 0.016 mm 0.422 mm 0.458 mm 189. WESTFORD EG 1984.09.20-17:58:01.896 -0.034 mm 0.421 mm 0.458 mm 190. WESTFORD NG 1984.09.21-01:58:01.896 0.011 mm 0.377 mm 0.410 mm 191. WESTFORD EG 1984.09.21-01:58:01.896 -0.026 mm 0.376 mm 0.409 mm 192. WESTFORD NG 1984.09.21-09:58:01.896 0.003 mm 0.377 mm 0.410 mm 193. WESTFORD EG 1984.09.21-09:58:01.896 0.036 mm 0.376 mm 0.409 mm 194. WESTFORD NG 1984.09.21-17:58:01.896 0.006 mm 0.422 mm 0.459 mm 195. WESTFORD EG 1984.09.21-17:58:01.896 0.010 mm 0.422 mm 0.458 mm 196. WETTZELL 7224 EURA X Comp 4075539932.19 mm 91.188 mm 16.286 mm 17.703 mm 197. WETTZELL 7224 EURA Y Comp 931735125.32 mm -188.678 mm 17.185 mm 18.680 mm 198. WETTZELL 7224 EURA Z Comp 4801629277.99 mm -115.008 mm 21.958 mm 23.869 mm WETTZELL 7224 U Comp -56.35 mm -56.345 mm 24.733 mm 20.292 mm WETTZELL 7224 E Comp -204.26 mm -204.255 mm 16.303 mm 13.375 mm WETTZELL 7224 N Comp -110.66 mm -110.664 mm 12.853 mm 10.545 mm 199. WETTZELL CL 0 1984.09.20-17:59:01.896 -21626.187 ns 0.304 ns 0.331 ns 200. WETTZELL CL 1 1984.09.20-17:59:01.896 -373.389 D-14 2.182 D-14 2.372 D-14 201. WETTZELL CL 2 1984.09.20-17:59:01.896 -2.789 D-14/day 1.908 D-14/day 2.074 D-14/day 226. WETTZELL AT 0 1984.09.20-17:59:01.896 -83.018 ps 57.832 ps 62.864 ps WETTZELL Atm 1984.09.21-05:59:34.080 Avg: -72.680 ps Rms: 44.261 ps Tot_Rms: 85.097 ps || Nat: 77 Dura: 83732.0 sec Tzd_avg: 7511.7 Tzd_rms: 10.9 Wzd_avg: 421.4 Wzd_rms: 17.3 ps Prs_avg: 94108. Pa Tem_avg: 13.1 C Stm_avg: -0.3 C Stm_rms: 1.7 K Spr_avg: 503. Spr_rms: 46. Pa 299. WETTZELL NG 1984.09.20-17:58:01.896 -0.002 mm 0.422 mm 0.459 mm 300. WETTZELL EG 1984.09.20-17:58:01.896 0.003 mm 0.422 mm 0.459 mm 301. WETTZELL NG 1984.09.21-01:58:01.896 -0.008 mm 0.377 mm 0.410 mm 302. WETTZELL EG 1984.09.21-01:58:01.896 0.017 mm 0.377 mm 0.410 mm 303. WETTZELL NG 1984.09.21-09:58:01.896 0.015 mm 0.377 mm 0.410 mm 304. WETTZELL EG 1984.09.21-09:58:01.896 0.009 mm 0.377 mm 0.410 mm 305. WETTZELL NG 1984.09.21-17:58:01.896 -0.001 mm 0.422 mm 0.459 mm 306. WETTZELL EG 1984.09.21-17:58:01.896 -0.004 mm 0.422 mm 0.459 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 11.93 ps/h NRMS 0.24 share 0.92 count 73 2. WESTFORD Input 50.00 ps/h RMS 23.92 ps/h NRMS 0.48 share 0.85 count 73 3. WETTZELL Input 50.00 ps/h RMS 20.08 ps/h NRMS 0.40 share 0.90 count 73 Overall RMS 19.30 ps/h NRMS 0.39 share 0.89 count 219 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 2. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 3. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 24 Clock Constraint Statistics 2. WESTFORD Input 5.00 D-14 RMS 2.90 D-14 NRMS 0.58 share 0.30 count 25 3. WETTZELL Input 5.00 D-14 RMS 2.57 D-14 NRMS 0.51 share 0.38 count 25 Overall RMS 2.74 D-14 NRMS 0.55 share 0.34 count 50 307. UT1-TAI 1, 1984.09.21-06:00:00.000 -1.2799 ms/d 39.27 micros/d 68.83 micros/d 74.82 micros/d EOP epoch (TDT) MJD: 45964.250373 NUT epoch (TDT) MJD: 45964.223833 308. Nutation DPSI wrt apriori model 1984.09.21-06:00:23.976 0.014 mas 1008.5 microasec 1096.3 microasec Nutation Dx wrt apriori model 1984.09.21-06:00:23.976 0.005 mas 399.8 microasec 434.6 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.21-06:00:23.976 -6.421 mas 1008.5 microasec 1096.3 microasec 309. Nutation DEPS wrt apriori model 1984.09.21-06:00:23.976 0.174 mas 402.5 microasec 437.6 microasec Nutation Dy wrt apriori model 1984.09.21-06:00:23.976 0.174 mas 403.9 microasec 439.1 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.21-06:00:23.976 0.628 mas 402.5 microasec 437.6 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3915 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to WESTFORD 7209 3134928008.05 14.15 3134928008.05 14.15 141.89 5.67 172.74 54.36 HRAS_085 7216 to WETTZELL 7224 8417561500.21 41.91 8417561500.21 41.91 387.05 7.18 60.99 49.83 WESTFORD 7209 to WETTZELL 7224 5998325349.83 18.61 5998325349.83 18.61 210.51 5.72 -85.18 40.20 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK MOJAVE12 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:28 Correlator type: Unknown Experiment code: lel841 Mark-3 db_name: $84SEP23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840923_a Ver 2 lel841 Matrix Condition Number = 2.566643549071061E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | MOJAVE12: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for MOJAVE12 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 18.0 5.2 1007.3 2.6 47.5 8.5 MOJAVE12 MET 20.7 3.6 902.7 1.0 27.0 10.9 Run 26091-1747 150 Observation Pairs Available Session started on: 2445966.511600 1984.09.23 00:16:42.240 UTC Nominal duration: 93363.840 sec 01 01:56:03.840 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 130 17.774 ps 0.63 1.2416 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 133 Number of potentially good observations with QC 5-9: 133 Number of used observations: 130 ( 97.74%) Number of suppressed observations: 3 ( 2.26%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK MOJAVE12 130 133 17.774 0.63 19840923_a lel841 1984.09.23-13:14:44.1 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 6 6 7 16.110 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 0234+285 J0237+2848 11 11 12 17.756 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 0300+470 J0303+4716 9 9 11 22.389 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 0528+134 J0530+1331 8 8 9 12.949 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 0552+398 J0555+3948 6 6 8 23.640 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 1502+106 J1504+1029 10 10 12 29.677 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 1741-038 J1743-0350 9 9 10 15.352 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 1803+784 J1800+7828 23 23 23 26.749 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 2216-038 J2218-0335 10 10 11 8.249 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 3C273B J1229+0203 5 5 9 26.108 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 3C345 J1642+3948 7 10 11 11.967 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 3C454.3 J2253+1608 11 11 12 6.184 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: 4C39.25 J0927+3902 7 7 7 15.623 19840923_a lel841 1984.09.23-13:14:44.160 SRC_STAT: OJ287 J0854+2006 8 8 8 26.304 19840923_a lel841 1984.09.23-13:14:44.160 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.23-13:14:11 1. HAYSTACK 7205 NOAM X Comp 1492404699.84 mm 3.844 mm 3.819 mm 4.255 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266490.09 mm 44.907 mm 8.901 mm 9.918 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881726.61 mm -67.392 mm 8.300 mm 9.249 mm HAYSTACK 7205 U Comp -76.07 mm -76.072 mm 11.370 mm 7.139 mm HAYSTACK 7205 E Comp 17.90 mm 17.903 mm 5.491 mm 3.448 mm HAYSTACK 7205 N Comp -21.58 mm -21.579 mm 1.808 mm 1.135 mm 4. HAYSTACK CL 0 1984.09.23-00:16:10.056 17360.814 ns 0.117 ns 0.130 ns 5. HAYSTACK CL 1 1984.09.23-00:16:10.056 440.764 D-14 2.000 D-14 2.228 D-14 6. HAYSTACK CL 2 1984.09.23-00:16:10.056 1.925 D-14/day 1.621 D-14/day 1.806 D-14/day 33. HAYSTACK AT 0 1984.09.23-00:16:10.056 -57.637 ps 31.607 ps 35.218 ps HAYSTACK Atm 1984.09.23-13:16:42.240 Avg: -25.897 ps Rms: 32.916 ps Tot_Rms: 41.882 ps || Nat: 150 Dura: 93360.0 sec Tzd_avg: 8146.9 Tzd_rms: 72.1 Wzd_avg: 534.1 Wzd_rms: 93.2 ps Prs_avg: 100723. Pa Tem_avg: 18.0 C Stm_avg: 0.8 C Stm_rms: 1.2 K Spr_avg: 226. Spr_rms: 38. Pa 112. HAYSTACK NG 1984.09.23-00:15:10.056 -0.006 mm 0.422 mm 0.471 mm 113. HAYSTACK EG 1984.09.23-00:15:10.056 -0.000 mm 0.422 mm 0.471 mm 114. HAYSTACK NG 1984.09.23-08:15:10.056 -0.011 mm 0.377 mm 0.420 mm 115. HAYSTACK EG 1984.09.23-08:15:10.056 -0.001 mm 0.377 mm 0.420 mm 116. HAYSTACK NG 1984.09.23-16:15:10.056 -0.012 mm 0.377 mm 0.420 mm 117. HAYSTACK EG 1984.09.23-16:15:10.056 -0.005 mm 0.377 mm 0.420 mm 118. HAYSTACK NG 1984.09.24-00:15:10.056 -0.027 mm 0.422 mm 0.470 mm 119. HAYSTACK EG 1984.09.24-00:15:10.056 -0.010 mm 0.422 mm 0.470 mm 120. MOJAVE12 7222 NOAM X Comp -2356171099.84 mm -3.844 mm 3.819 mm 4.255 mm 121. MOJAVE12 7222 NOAM Y Comp -4646755876.91 mm -44.907 mm 8.901 mm 9.918 mm 122. MOJAVE12 7222 NOAM Z Comp 3668470648.39 mm 67.392 mm 8.300 mm 9.249 mm MOJAVE12 7222 U Comp 73.07 mm 73.067 mm 11.821 mm 7.422 mm MOJAVE12 7222 E Comp 16.88 mm 16.880 mm 3.959 mm 2.486 mm MOJAVE12 7222 N Comp 30.81 mm 30.812 mm 2.700 mm 1.695 mm 123. MOJAVE12 AT 0 1984.09.23-00:16:10.056 38.051 ps 35.468 ps 39.520 ps MOJAVE12 Atm 1984.09.23-13:16:42.240 Avg: -9.781 ps Rms: 51.829 ps Tot_Rms: 52.744 ps || Nat: 150 Dura: 93360.0 sec Tzd_avg: 7156.0 Tzd_rms: 43.0 Wzd_avg: 317.5 Wzd_rms: 50.1 ps Prs_avg: 90272. Pa Tem_avg: 20.7 C Stm_avg: -1.2 C Stm_rms: 0.7 K Spr_avg: 152. Spr_rms: 38. Pa 202. MOJAVE12 NG 1984.09.23-00:15:10.056 -0.015 mm 0.422 mm 0.470 mm 203. MOJAVE12 EG 1984.09.23-00:15:10.056 0.004 mm 0.422 mm 0.470 mm 204. MOJAVE12 NG 1984.09.23-08:15:10.056 0.000 mm 0.377 mm 0.420 mm 205. MOJAVE12 EG 1984.09.23-08:15:10.056 -0.011 mm 0.377 mm 0.420 mm 206. MOJAVE12 NG 1984.09.23-16:15:10.056 -0.010 mm 0.377 mm 0.420 mm 207. MOJAVE12 EG 1984.09.23-16:15:10.056 -0.017 mm 0.377 mm 0.420 mm 208. MOJAVE12 NG 1984.09.24-00:15:10.056 -0.001 mm 0.422 mm 0.470 mm 209. MOJAVE12 EG 1984.09.24-00:15:10.056 -0.001 mm 0.422 mm 0.470 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 100.00 ps/h RMS 46.23 ps/h NRMS 0.46 share 0.62 count 79 2. MOJAVE12 Input 100.00 ps/h RMS 51.16 ps/h NRMS 0.51 share 0.59 count 79 Overall RMS 48.76 ps/h NRMS 0.49 share 0.61 count 158 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.03 mm/d NRMS 0.01 share 0.54 count 16 Clock Constraint Statistics 1. HAYSTACK Input 5.00 D-14 RMS 2.30 D-14 NRMS 0.46 share 0.32 count 27 Overall RMS 2.30 D-14 NRMS 0.46 share 0.32 count 27 210. UT1-TAI 1, 1984.09.23-13:14:00.000 -1.8360 ms/d 192.50 micros/d 83.70 micros/d 93.26 micros/d EOP epoch (TDT) MJD: 45966.551761 NUT epoch (TDT) MJD: 45966.517488 211. Nutation DPSI wrt apriori model 1984.09.23-13:14:11.976 -0.112 mas 884.7 microasec 985.8 microasec Nutation Dx wrt apriori model 1984.09.23-13:14:11.976 -0.044 mas 350.3 microasec 390.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.23-13:14:11.976 -6.234 mas 884.7 microasec 985.8 microasec 212. Nutation DEPS wrt apriori model 1984.09.23-13:14:11.976 -0.247 mas 485.9 microasec 541.4 microasec Nutation Dy wrt apriori model 1984.09.23-13:14:11.976 -0.247 mas 487.1 microasec 542.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.23-13:14:11.976 0.869 mas 485.9 microasec 541.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 1.000E+02 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6595 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to MOJAVE12 7222 3904144259.23 7.13 3904144259.23 7.13 41.27 3.44 -156.51 24.25 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:31 Correlator type: Unknown Experiment code: ia205 Mark-3 db_name: $84SEP25XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840925_a Ver 2 ia205 Matrix Condition Number = 2.233989786783677E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 7.3 4.9 844.0 2.0 78.6 14.7 RICHMOND MET 22.9 2.8 1009.3 1.0 51.6 2.1 WESTFORD MET 21.2 2.8 1000.3 1.9 27.8 3.3 WETTZELL MET 7.0 0.6 943.5 0.5 83.1 2.3 Run 26091-1747 431 Observation Pairs Available Session started on: 2445969.248300 1984.09.25 17:57:33.120 UTC Nominal duration: 87298.560 sec 01 00:14:58.560 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 358 37.012 ps 0.86 1.1177 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 369 Number of potentially good observations with QC 5-9: 369 Number of used observations: 358 ( 97.02%) Number of suppressed observations: 11 ( 2.98%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 66 70 26.099 0.90 19840925_a ia205 1984.09.26-06:05:02.4 BAS_STAT HRAS_085 WESTFORD 75 78 40.059 0.82 19840925_a ia205 1984.09.26-06:05:02.4 BAS_STAT HRAS_085 WETTZELL 43 43 51.792 0.88 19840925_a ia205 1984.09.26-06:05:02.4 BAS_STAT RICHMOND WESTFORD 66 68 40.445 0.90 19840925_a ia205 1984.09.26-06:05:02.4 BAS_STAT RICHMOND WETTZELL 28 29 39.576 0.90 19840925_a ia205 1984.09.26-06:05:02.4 BAS_STAT WESTFORD WETTZELL 80 81 46.295 0.82 19840925_a ia205 1984.09.26-06:05:02.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 18 20 33.700 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 0212+735 J0217+7349 29 29 40 55.519 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 0229+131 J0231+1322 23 23 27 31.627 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 0528+134 J0530+1331 24 27 27 41.404 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 0552+398 J0555+3948 25 27 29 36.052 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 1803+784 J1800+7828 23 23 26 44.011 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 2134+00 J2136+0041 27 28 32 29.942 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 3C273B J1229+0203 19 20 21 27.019 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 3C345 J1642+3948 32 32 43 29.844 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 3C454.3 J2253+1608 25 25 27 33.569 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: 4C39.25 J0927+3902 28 31 37 40.838 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: OJ287 J0854+2006 30 30 35 40.830 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: OQ208 J1407+2827 33 34 37 54.752 19840925_a ia205 1984.09.26-06:05:02.400 SRC_STAT: VR422201 J2202+4216 22 22 30 69.354 19840925_a ia205 1984.09.26-06:05:02.400 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.09.26-06:04:30 1. HRAS_085 7216 NOAM X Comp -1324211062.80 mm -45.803 mm 7.264 mm 7.680 mm 2. HRAS_085 7216 NOAM Y Comp -5332023099.37 mm -17.366 mm 20.328 mm 21.491 mm 3. HRAS_085 7216 NOAM Z Comp 3232118455.17 mm 148.171 mm 14.125 mm 14.934 mm HRAS_085 7216 U Comp 99.51 mm 99.507 mm 24.013 mm 20.756 mm HRAS_085 7216 E Comp -40.27 mm -40.267 mm 6.120 mm 5.290 mm HRAS_085 7216 N Comp 113.27 mm 113.274 mm 7.173 mm 6.200 mm 4. HRAS_085 AT 0 1984.09.25-17:57:00.936 -43.685 ps 52.757 ps 55.777 ps HRAS_085 Atm 1984.09.26-06:27:33.120 Avg: -47.241 ps Rms: 16.989 ps Tot_Rms: 50.203 ps || Nat: 95 Dura: 87300.0 sec Tzd_avg: 7063.8 Tzd_rms: 51.4 Wzd_avg: 676.2 Wzd_rms: 64.0 ps Prs_avg: 84400. Pa Tem_avg: 7.4 C Stm_avg: -9.0 C Stm_rms: 2.6 K Spr_avg: 106. Spr_rms: 67. Pa 80. HRAS_085 NG 1984.09.25-17:56:00.936 0.011 mm 0.422 mm 0.446 mm 81. HRAS_085 EG 1984.09.25-17:56:00.936 -0.006 mm 0.421 mm 0.446 mm 82. HRAS_085 NG 1984.09.26-01:56:00.936 0.014 mm 0.377 mm 0.398 mm 83. HRAS_085 EG 1984.09.26-01:56:00.936 0.014 mm 0.376 mm 0.398 mm 84. HRAS_085 NG 1984.09.26-09:56:00.936 -0.024 mm 0.376 mm 0.398 mm 85. HRAS_085 EG 1984.09.26-09:56:00.936 0.044 mm 0.376 mm 0.398 mm 86. HRAS_085 NG 1984.09.26-17:56:00.936 -0.008 mm 0.421 mm 0.446 mm 87. HRAS_085 EG 1984.09.26-17:56:00.936 -0.079 mm 0.421 mm 0.446 mm 88. RICHMOND 7219 NOAM X Comp 961257966.32 mm -52.677 mm 6.147 mm 6.499 mm 89. RICHMOND 7219 NOAM Y Comp -5674089976.57 mm 73.431 mm 17.912 mm 18.937 mm 90. RICHMOND 7219 NOAM Z Comp 2740533819.15 mm 21.148 mm 11.018 mm 11.649 mm RICHMOND 7219 U Comp -64.08 mm -64.077 mm 20.076 mm 17.353 mm RICHMOND 7219 E Comp -39.67 mm -39.671 mm 6.042 mm 5.223 mm RICHMOND 7219 N Comp 54.17 mm 54.172 mm 6.362 mm 5.499 mm 91. RICHMOND CL 0 1984.09.25-17:57:00.936 -17982.675 ns 0.200 ns 0.212 ns 92. RICHMOND CL 1 1984.09.25-17:57:00.936 -261.395 D-14 2.066 D-14 2.184 D-14 93. RICHMOND CL 2 1984.09.25-17:57:00.936 1.960 D-14/day 1.764 D-14/day 1.865 D-14/day 119. RICHMOND AT 0 1984.09.25-17:57:00.936 -100.751 ps 62.062 ps 65.614 ps RICHMOND Atm 1984.09.26-06:27:33.120 Avg: -123.096 ps Rms: 116.932 ps Tot_Rms: 169.781 ps || Nat: 87 Dura: 87300.0 sec Tzd_avg: 8514.9 Tzd_rms: 87.7 Wzd_avg: 865.2 Wzd_rms: 94.9 ps Prs_avg: 100930. Pa Tem_avg: 22.9 C Stm_avg: -3.7 C Stm_rms: 2.3 K Spr_avg: -70. Spr_rms: 80. Pa 195. RICHMOND NG 1984.09.25-17:56:00.936 0.009 mm 0.422 mm 0.446 mm 196. RICHMOND EG 1984.09.25-17:56:00.936 0.046 mm 0.421 mm 0.445 mm 197. RICHMOND NG 1984.09.26-01:56:00.936 -0.018 mm 0.377 mm 0.398 mm 198. RICHMOND EG 1984.09.26-01:56:00.936 -0.002 mm 0.376 mm 0.398 mm 199. RICHMOND NG 1984.09.26-09:56:00.936 0.011 mm 0.376 mm 0.398 mm 200. RICHMOND EG 1984.09.26-09:56:00.936 -0.118 mm 0.376 mm 0.397 mm 201. RICHMOND NG 1984.09.26-17:56:00.936 -0.002 mm 0.422 mm 0.446 mm 202. RICHMOND EG 1984.09.26-17:56:00.936 0.047 mm 0.421 mm 0.445 mm 203. WESTFORD 7209 NOAM X Comp 1492206571.29 mm 28.290 mm 6.284 mm 6.643 mm 204. WESTFORD 7209 NOAM Y Comp -4458130400.13 mm 121.870 mm 11.447 mm 12.102 mm 205. WESTFORD 7209 NOAM Z Comp 4296015478.64 mm -68.355 mm 11.597 mm 12.261 mm WESTFORD 7209 U Comp -124.72 mm -124.722 mm 15.645 mm 13.523 mm WESTFORD 7209 E Comp 65.51 mm 65.510 mm 6.024 mm 5.207 mm WESTFORD 7209 N Comp 21.86 mm 21.859 mm 4.893 mm 4.229 mm 206. WESTFORD CL 0 1984.09.25-17:57:00.936 -25184.691 ns 0.169 ns 0.178 ns 207. WESTFORD CL 1 1984.09.25-17:57:00.936 -125.327 D-14 2.080 D-14 2.199 D-14 208. WESTFORD CL 2 1984.09.25-17:57:00.936 -3.315 D-14/day 1.810 D-14/day 1.914 D-14/day 234. WESTFORD AT 0 1984.09.25-17:57:00.936 116.977 ps 39.001 ps 41.233 ps WESTFORD Atm 1984.09.26-06:27:33.120 Avg: 109.775 ps Rms: 69.903 ps Tot_Rms: 130.142 ps || Nat: 135 Dura: 85692.0 sec Tzd_avg: 8305.9 Tzd_rms: 91.3 Wzd_avg: 753.3 Wzd_rms: 107.1 ps Prs_avg: 100042. Pa Tem_avg: 21.1 C Stm_avg: 0.9 C Stm_rms: 1.1 K Spr_avg: 233. Spr_rms: 51. Pa 310. WESTFORD NG 1984.09.25-17:56:00.936 -0.010 mm 0.421 mm 0.445 mm 311. WESTFORD EG 1984.09.25-17:56:00.936 -0.041 mm 0.420 mm 0.444 mm 312. WESTFORD NG 1984.09.26-01:56:00.936 0.004 mm 0.376 mm 0.398 mm 313. WESTFORD EG 1984.09.26-01:56:00.936 -0.022 mm 0.375 mm 0.397 mm 314. WESTFORD NG 1984.09.26-09:56:00.936 -0.011 mm 0.376 mm 0.398 mm 315. WESTFORD EG 1984.09.26-09:56:00.936 0.033 mm 0.376 mm 0.397 mm 316. WESTFORD NG 1984.09.26-17:56:00.936 -0.029 mm 0.422 mm 0.446 mm 317. WESTFORD EG 1984.09.26-17:56:00.936 0.023 mm 0.421 mm 0.445 mm 318. WETTZELL 7224 EURA X Comp 4075539911.19 mm 70.189 mm 15.570 mm 16.461 mm 319. WETTZELL 7224 EURA Y Comp 931735136.06 mm -177.935 mm 10.759 mm 11.375 mm 320. WETTZELL 7224 EURA Z Comp 4801629292.04 mm -100.963 mm 19.680 mm 20.807 mm WETTZELL 7224 U Comp -57.55 mm -57.547 mm 24.129 mm 20.857 mm WETTZELL 7224 E Comp -189.10 mm -189.103 mm 10.726 mm 9.271 mm WETTZELL 7224 N Comp -87.80 mm -87.804 mm 6.943 mm 6.002 mm 321. WETTZELL CL 0 1984.09.25-17:57:00.936 -23493.730 ns 0.204 ns 0.216 ns 322. WETTZELL CL 1 1984.09.25-17:57:00.936 -396.933 D-14 2.146 D-14 2.269 D-14 323. WETTZELL CL 2 1984.09.25-17:57:00.936 -2.735 D-14/day 1.929 D-14/day 2.040 D-14/day 349. WETTZELL AT 0 1984.09.25-17:57:00.936 0.786 ps 48.654 ps 51.439 ps WETTZELL Atm 1984.09.26-06:27:33.120 Avg: -21.224 ps Rms: 24.724 ps Tot_Rms: 32.585 ps || Nat: 94 Dura: 86102.0 sec Tzd_avg: 7420.3 Tzd_rms: 18.8 Wzd_avg: 308.9 Wzd_rms: 20.4 ps Prs_avg: 94346. Pa Tem_avg: 7.0 C Stm_avg: -0.3 C Stm_rms: 0.7 K Spr_avg: 513. Spr_rms: 28. Pa 425. WETTZELL NG 1984.09.25-17:56:00.936 -0.008 mm 0.422 mm 0.446 mm 426. WETTZELL EG 1984.09.25-17:56:00.936 -0.001 mm 0.422 mm 0.446 mm 427. WETTZELL NG 1984.09.26-01:56:00.936 0.007 mm 0.377 mm 0.398 mm 428. WETTZELL EG 1984.09.26-01:56:00.936 0.003 mm 0.377 mm 0.399 mm 429. WETTZELL NG 1984.09.26-09:56:00.936 0.009 mm 0.377 mm 0.398 mm 430. WETTZELL EG 1984.09.26-09:56:00.936 0.012 mm 0.377 mm 0.399 mm 431. WETTZELL NG 1984.09.26-17:56:00.936 0.006 mm 0.422 mm 0.446 mm 432. WETTZELL EG 1984.09.26-17:56:00.936 0.002 mm 0.422 mm 0.447 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 17.71 ps/h NRMS 0.35 share 0.85 count 76 2. RICHMOND Input 50.00 ps/h RMS 33.53 ps/h NRMS 0.67 share 0.87 count 76 3. WESTFORD Input 50.00 ps/h RMS 30.53 ps/h NRMS 0.61 share 0.83 count 76 4. WETTZELL Input 50.00 ps/h RMS 16.89 ps/h NRMS 0.34 share 0.85 count 76 Overall RMS 25.76 ps/h NRMS 0.52 share 0.85 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.53 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.26 mm/d NRMS 0.13 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.16 mm/d NRMS 0.08 share 0.53 count 32 Clock Constraint Statistics 2. RICHMOND Input 5.00 D-14 RMS 2.16 D-14 NRMS 0.43 share 0.23 count 26 3. WESTFORD Input 5.00 D-14 RMS 2.49 D-14 NRMS 0.50 share 0.27 count 26 4. WETTZELL Input 5.00 D-14 RMS 1.47 D-14 NRMS 0.29 share 0.36 count 26 Overall RMS 2.08 D-14 NRMS 0.42 share 0.29 count 78 433. UT1-TAI 1, 1984.09.26-06:05:00.000 -2.3298 ms/d 88.89 micros/d 45.38 micros/d 47.97 micros/d EOP epoch (TDT) MJD: 45969.253845 NUT epoch (TDT) MJD: 45969.245536 434. Nutation DPSI wrt apriori model 1984.09.26-06:04:30.216 -2.395 mas 694.0 microasec 733.7 microasec Nutation Dx wrt apriori model 1984.09.26-06:04:30.216 -0.953 mas 275.1 microasec 290.9 microasec Nutation DPSI wrt Wahr 1980 model 1984.09.26-06:04:30.216 -9.185 mas 694.0 microasec 733.7 microasec 435. Nutation DEPS wrt apriori model 1984.09.26-06:04:30.216 0.082 mas 277.0 microasec 292.8 microasec Nutation Dy wrt apriori model 1984.09.26-06:04:30.216 0.079 mas 277.9 microasec 293.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.09.26-06:04:30.216 1.045 mas 277.0 microasec 292.8 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2073 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.09.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632829.27 6.84 2362632829.27 6.84 68.89 5.22 140.13 39.49 HRAS_085 7216 to WESTFORD 7209 3134928008.10 8.87 3134928008.10 8.87 111.93 4.70 241.27 32.98 HRAS_085 7216 to WETTZELL 7224 8417561528.14 27.90 8417561528.14 27.90 287.22 5.92 102.14 34.97 RICHMOND 7219 to WESTFORD 7209 2044501725.53 7.33 2044501725.53 7.33 105.82 3.91 73.35 26.74 RICHMOND 7219 to WETTZELL 7224 7588398513.47 22.76 7588398513.47 22.76 212.24 5.85 -86.71 33.86 WESTFORD 7209 to WETTZELL 7224 5998325347.26 16.39 5998325347.26 16.39 142.57 4.61 -88.38 33.97 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:34 Correlator type: Unknown Experiment code: ia206 Mark-3 db_name: $84SEP30XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19840930_a Ver 2 ia206 Matrix Condition Number = 2.975866319886790E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 12.0 2.6 843.2 0.4 74.0 12.7 RICHMOND MET 20.3 0.8 1014.9 0.7 75.2 0.3 WESTFORD MET 10.3 2.7 1009.4 1.2 13.6 7.7 WETTZELL MET 11.8 2.8 942.8 3.1 82.0 1.4 Run 26091-1747 367 Observation Pairs Available Session started on: 2445974.278800 1984.09.30 18:41:28.320 UTC Nominal duration: 86339.520 sec 00 23:58:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 296 34.703 ps 0.95 1.4456 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 307 Number of potentially good observations with QC 5-9: 307 Number of used observations: 296 ( 96.42%) Number of suppressed observations: 11 ( 3.58%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 57 58 19.918 0.90 19840930_a ia206 1984.10.01-06:40:58.0 BAS_STAT HRAS_085 WESTFORD 55 57 54.050 0.97 19840930_a ia206 1984.10.01-06:40:58.0 BAS_STAT HRAS_085 WETTZELL 46 47 53.015 0.95 19840930_a ia206 1984.10.01-06:40:58.0 BAS_STAT RICHMOND WESTFORD 45 45 27.028 0.80 19840930_a ia206 1984.10.01-06:40:58.0 BAS_STAT RICHMOND WETTZELL 40 44 46.480 1.06 19840930_a ia206 1984.10.01-06:40:58.0 BAS_STAT WESTFORD WETTZELL 53 56 63.704 1.00 19840930_a ia206 1984.10.01-06:40:58.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 13 13 18 36.363 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 0212+735 J0217+7349 25 25 39 73.050 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 0229+131 J0231+1322 22 22 25 29.066 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 0528+134 J0530+1331 22 22 24 44.246 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 0552+398 J0555+3948 15 15 16 41.080 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 1803+784 J1800+7828 23 23 23 59.127 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 2134+00 J2136+0041 26 26 32 20.788 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 3C273B J1229+0203 12 16 18 13.549 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 3C279 J1256-0547 7 10 13 11.210 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 3C345 J1642+3948 26 29 42 27.524 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 3C454.3 J2253+1608 27 27 29 34.867 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: 4C39.25 J0927+3902 11 11 12 27.682 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: OJ287 J0854+2006 23 24 25 48.991 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: OQ208 J1407+2827 21 21 23 75.703 19840930_a ia206 1984.10.01-06:40:58.080 SRC_STAT: VR422201 J2202+4216 23 23 28 63.663 19840930_a ia206 1984.10.01-06:40:58.080 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.01-06:40:25 1. HRAS_085 7216 NOAM X Comp -1324211048.16 mm -31.164 mm 7.584 mm 9.119 mm 2. HRAS_085 7216 NOAM Y Comp -5332023058.09 mm 23.908 mm 20.323 mm 24.435 mm 3. HRAS_085 7216 NOAM Z Comp 3232118441.25 mm 134.245 mm 13.932 mm 16.751 mm HRAS_085 7216 U Comp 54.91 mm 54.909 mm 23.821 mm 22.583 mm HRAS_085 7216 E Comp -36.01 mm -36.008 mm 6.624 mm 6.280 mm HRAS_085 7216 N Comp 123.50 mm 123.503 mm 7.304 mm 6.924 mm 4. HRAS_085 CL 0 1984.09.30-18:40:56.136 25732.527 ns 0.197 ns 0.236 ns 5. HRAS_085 CL 1 1984.09.30-18:40:56.136 119.632 D-14 2.114 D-14 2.542 D-14 6. HRAS_085 CL 2 1984.09.30-18:40:56.136 2.642 D-14/day 1.866 D-14/day 2.244 D-14/day 31. HRAS_085 AT 0 1984.09.30-18:40:56.136 35.271 ps 69.392 ps 83.431 ps HRAS_085 Atm 1984.10.01-06:41:28.320 Avg: 0.810 ps Rms: 33.442 ps Tot_Rms: 33.452 ps || Nat: 100 Dura: 86340.0 sec Tzd_avg: 6727.3 Tzd_rms: 67.1 Wzd_avg: 328.3 Wzd_rms: 72.2 ps Prs_avg: 84318. Pa Tem_avg: 12.0 C Stm_avg: -3.0 C Stm_rms: 0.6 K Spr_avg: 26. Spr_rms: 65. Pa 104. HRAS_085 NG 1984.09.30-18:39:56.136 0.065 mm 0.422 mm 0.507 mm 105. HRAS_085 EG 1984.09.30-18:39:56.136 0.066 mm 0.422 mm 0.507 mm 106. HRAS_085 NG 1984.10.01-02:39:56.136 0.009 mm 0.377 mm 0.453 mm 107. HRAS_085 EG 1984.10.01-02:39:56.136 0.014 mm 0.377 mm 0.453 mm 108. HRAS_085 NG 1984.10.01-10:39:56.136 0.014 mm 0.376 mm 0.453 mm 109. HRAS_085 EG 1984.10.01-10:39:56.136 -0.019 mm 0.376 mm 0.453 mm 110. HRAS_085 NG 1984.10.01-18:39:56.136 -0.016 mm 0.422 mm 0.507 mm 111. HRAS_085 EG 1984.10.01-18:39:56.136 -0.011 mm 0.422 mm 0.507 mm 112. RICHMOND 7219 NOAM X Comp 961257979.12 mm -39.877 mm 6.426 mm 7.726 mm 113. RICHMOND 7219 NOAM Y Comp -5674090003.43 mm 46.566 mm 18.686 mm 22.467 mm 114. RICHMOND 7219 NOAM Z Comp 2740533830.35 mm 32.355 mm 12.246 mm 14.723 mm RICHMOND 7219 U Comp -33.42 mm -33.419 mm 21.440 mm 20.325 mm RICHMOND 7219 E Comp -31.54 mm -31.539 mm 6.071 mm 5.756 mm RICHMOND 7219 N Comp 51.90 mm 51.903 mm 6.626 mm 6.282 mm 115. RICHMOND CL 0 1984.09.30-18:40:56.136 6629.694 ns 0.165 ns 0.199 ns 116. RICHMOND CL 1 1984.09.30-18:40:56.136 -134.177 D-14 2.107 D-14 2.534 D-14 117. RICHMOND CL 2 1984.09.30-18:40:56.136 2.976 D-14/day 1.866 D-14/day 2.244 D-14/day 142. RICHMOND AT 0 1984.09.30-18:40:56.136 -89.671 ps 58.628 ps 70.490 ps RICHMOND Atm 1984.10.01-06:41:28.320 Avg: -63.709 ps Rms: 40.446 ps Tot_Rms: 75.464 ps || Nat: 94 Dura: 85252.0 sec Tzd_avg: 8801.0 Tzd_rms: 69.8 Wzd_avg: 1120.9 Wzd_rms: 74.4 ps Prs_avg: 101483. Pa Tem_avg: 20.2 C Stm_avg: -5.4 C Stm_rms: 0.7 K Spr_avg: -30. Spr_rms: 67. Pa 215. RICHMOND NG 1984.09.30-18:39:56.136 -0.016 mm 0.422 mm 0.507 mm 216. RICHMOND EG 1984.09.30-18:39:56.136 -0.001 mm 0.421 mm 0.506 mm 217. RICHMOND NG 1984.10.01-02:39:56.136 0.019 mm 0.377 mm 0.453 mm 218. RICHMOND EG 1984.10.01-02:39:56.136 0.037 mm 0.376 mm 0.452 mm 219. RICHMOND NG 1984.10.01-10:39:56.136 -0.019 mm 0.376 mm 0.452 mm 220. RICHMOND EG 1984.10.01-10:39:56.136 0.049 mm 0.376 mm 0.452 mm 221. RICHMOND NG 1984.10.01-18:39:56.136 0.001 mm 0.422 mm 0.507 mm 222. RICHMOND EG 1984.10.01-18:39:56.136 -0.004 mm 0.421 mm 0.506 mm 223. WESTFORD 7209 NOAM X Comp 1492206574.79 mm 31.795 mm 7.048 mm 8.474 mm 224. WESTFORD 7209 NOAM Y Comp -4458130417.89 mm 104.106 mm 15.708 mm 18.886 mm 225. WESTFORD 7209 NOAM Z Comp 4296015508.50 mm -38.497 mm 15.234 mm 18.316 mm WESTFORD 7209 U Comp -91.29 mm -91.291 mm 21.463 mm 20.348 mm WESTFORD 7209 E Comp 63.19 mm 63.195 mm 6.357 mm 6.026 mm WESTFORD 7209 N Comp 31.68 mm 31.675 mm 5.236 mm 4.964 mm 226. WESTFORD AT 0 1984.09.30-18:40:56.136 -25.336 ps 33.520 ps 40.302 ps WESTFORD Atm 1984.10.01-06:41:28.320 Avg: -3.420 ps Rms: 38.489 ps Tot_Rms: 38.641 ps || Nat: 101 Dura: 83438.0 sec Tzd_avg: 8017.2 Tzd_rms: 34.7 Wzd_avg: 382.0 Wzd_rms: 44.6 ps Prs_avg: 100937. Pa Tem_avg: 10.5 C Stm_avg: -1.9 C Stm_rms: 0.6 K Spr_avg: 213. Spr_rms: 38. Pa 299. WESTFORD NG 1984.09.30-18:39:56.136 -0.045 mm 0.422 mm 0.507 mm 300. WESTFORD EG 1984.09.30-18:39:56.136 -0.073 mm 0.420 mm 0.505 mm 301. WESTFORD NG 1984.10.01-02:39:56.136 -0.003 mm 0.377 mm 0.453 mm 302. WESTFORD EG 1984.10.01-02:39:56.136 -0.030 mm 0.376 mm 0.452 mm 303. WESTFORD NG 1984.10.01-10:39:56.136 0.016 mm 0.377 mm 0.453 mm 304. WESTFORD EG 1984.10.01-10:39:56.136 0.016 mm 0.377 mm 0.453 mm 305. WESTFORD NG 1984.10.01-18:39:56.136 0.015 mm 0.422 mm 0.507 mm 306. WESTFORD EG 1984.10.01-18:39:56.136 0.047 mm 0.422 mm 0.507 mm 307. WETTZELL 7224 EURA X Comp 4075539880.25 mm 39.246 mm 16.449 mm 19.777 mm 308. WETTZELL 7224 EURA Y Comp 931735139.42 mm -174.580 mm 12.174 mm 14.637 mm 309. WETTZELL 7224 EURA Z Comp 4801629264.90 mm -128.103 mm 20.741 mm 24.937 mm WETTZELL 7224 U Comp -97.32 mm -97.318 mm 25.253 mm 23.941 mm WETTZELL 7224 E Comp -178.94 mm -178.936 mm 12.486 mm 11.837 mm WETTZELL 7224 N Comp -83.31 mm -83.307 mm 7.440 mm 7.053 mm 310. WETTZELL CL 0 1984.09.30-18:40:56.136 7285.140 ns 0.185 ns 0.223 ns 311. WETTZELL CL 1 1984.09.30-18:40:56.136 -137.572 D-14 2.140 D-14 2.573 D-14 312. WETTZELL CL 2 1984.09.30-18:40:56.136 2.748 D-14/day 1.938 D-14/day 2.330 D-14/day 337. WETTZELL AT 0 1984.09.30-18:40:56.136 -57.482 ps 39.883 ps 47.952 ps WETTZELL Atm 1984.10.01-06:41:28.320 Avg: -83.509 ps Rms: 17.664 ps Tot_Rms: 85.357 ps || Nat: 90 Dura: 82332.0 sec Tzd_avg: 7580.6 Tzd_rms: 25.8 Wzd_avg: 475.0 Wzd_rms: 15.5 ps Prs_avg: 94269. Pa Tem_avg: 12.1 C Stm_avg: -1.6 C Stm_rms: 1.8 K Spr_avg: 439. Spr_rms: 44. Pa 410. WETTZELL NG 1984.09.30-18:39:56.136 -0.022 mm 0.422 mm 0.508 mm 411. WETTZELL EG 1984.09.30-18:39:56.136 0.023 mm 0.422 mm 0.508 mm 412. WETTZELL NG 1984.10.01-02:39:56.136 -0.019 mm 0.377 mm 0.453 mm 413. WETTZELL EG 1984.10.01-02:39:56.136 -0.003 mm 0.377 mm 0.453 mm 414. WETTZELL NG 1984.10.01-10:39:56.136 0.010 mm 0.377 mm 0.453 mm 415. WETTZELL EG 1984.10.01-10:39:56.136 -0.009 mm 0.377 mm 0.453 mm 416. WETTZELL NG 1984.10.01-18:39:56.136 0.019 mm 0.422 mm 0.508 mm 417. WETTZELL EG 1984.10.01-18:39:56.136 -0.006 mm 0.422 mm 0.508 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 16.56 ps/h NRMS 0.33 share 0.86 count 73 2. RICHMOND Input 50.00 ps/h RMS 20.93 ps/h NRMS 0.42 share 0.86 count 73 3. WESTFORD Input 50.00 ps/h RMS 13.27 ps/h NRMS 0.27 share 0.85 count 73 4. WETTZELL Input 50.00 ps/h RMS 13.00 ps/h NRMS 0.26 share 0.85 count 73 Overall RMS 16.26 ps/h NRMS 0.33 share 0.86 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.10 mm/d NRMS 0.05 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 1.49 D-14 NRMS 0.30 share 0.28 count 25 2. RICHMOND Input 5.00 D-14 RMS 2.00 D-14 NRMS 0.40 share 0.28 count 25 4. WETTZELL Input 5.00 D-14 RMS 1.85 D-14 NRMS 0.37 share 0.35 count 25 Overall RMS 1.79 D-14 NRMS 0.36 share 0.31 count 75 418. UT1-TAI 1, 1984.10.01-06:41:00.000 -1.3268 ms/d 60.51 micros/d 68.06 micros/d 81.83 micros/d EOP epoch (TDT) MJD: 45974.278845 NUT epoch (TDT) MJD: 45974.244275 419. Nutation DPSI wrt apriori model 1984.10.01-06:40:25.896 -2.369 mas 788.6 microasec 948.1 microasec Nutation Dx wrt apriori model 1984.10.01-06:40:25.896 -0.942 mas 312.6 microasec 375.9 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.01-06:40:25.896 -9.199 mas 788.6 microasec 948.1 microasec 420. Nutation DEPS wrt apriori model 1984.10.01-06:40:25.896 0.024 mas 320.3 microasec 385.0 microasec Nutation Dy wrt apriori model 1984.10.01-06:40:25.896 0.021 mas 321.3 microasec 386.3 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.01-06:40:25.896 0.722 mas 320.3 microasec 385.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6001 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.01 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632832.13 6.59 2362632832.13 6.59 78.90 5.05 68.23 38.46 HRAS_085 7216 to WESTFORD 7209 3134927996.50 9.53 3134927996.50 9.53 107.76 5.18 167.96 38.12 HRAS_085 7216 to WETTZELL 7224 8417561468.22 28.42 8417561468.22 28.42 279.94 7.05 108.98 35.55 RICHMOND 7219 to WESTFORD 7209 2044501742.72 7.74 2044501742.72 7.74 91.00 4.73 72.01 33.91 RICHMOND 7219 to WETTZELL 7224 7588398511.41 22.98 7588398511.41 22.98 197.30 6.57 -22.91 37.32 WESTFORD 7209 to WETTZELL 7224 5998325346.60 18.98 5998325346.60 18.98 143.19 5.81 -18.52 38.72 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:37 Correlator type: Unknown Experiment code: ia207 Mark-3 db_name: $84OCT05XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841005_a Ver 2 ia207 Matrix Condition Number = 2.438361595580156E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 13.8 3.5 839.9 1.4 52.4 2.3 RICHMOND MET 22.8 2.9 1019.0 0.9 49.6 8.0 WESTFORD MET 3.7 2.9 1019.4 2.8 13.4 0.7 WETTZELL MET 10.2 2.0 939.0 3.9 70.4 1.9 Run 26091-1747 449 Observation Pairs Available Session started on: 2445979.257800 1984.10.05 18:11:13.920 UTC Nominal duration: 87376.320 sec 01 00:16:16.320 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 355 39.421 ps 0.97 1.4109 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 370 Number of potentially good observations with QC 5-9: 370 Number of used observations: 355 ( 95.95%) Number of suppressed observations: 15 ( 4.05%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 62 62 20.526 0.81 19841005_a ia207 1984.10.06-06:19:22.0 BAS_STAT HRAS_085 WESTFORD 70 76 58.744 1.05 19841005_a ia207 1984.10.06-06:19:22.0 BAS_STAT HRAS_085 WETTZELL 46 48 63.515 1.01 19841005_a ia207 1984.10.06-06:19:22.0 BAS_STAT RICHMOND WESTFORD 55 58 31.944 0.96 19841005_a ia207 1984.10.06-06:19:22.0 BAS_STAT RICHMOND WETTZELL 38 39 80.482 0.98 19841005_a ia207 1984.10.06-06:19:22.0 BAS_STAT WESTFORD WETTZELL 84 87 53.412 0.97 19841005_a ia207 1984.10.06-06:19:22.0 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 16 16 18 48.397 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 0212+735 J0217+7349 30 30 45 55.779 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 0229+131 J0231+1322 22 22 22 44.433 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 0528+134 J0530+1331 27 27 31 38.117 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 0552+398 J0555+3948 28 28 32 35.871 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 1803+784 J1800+7828 26 26 29 53.567 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 2134+00 J2136+0041 28 29 31 47.301 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 3C273B J1229+0203 15 27 27 15.221 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 3C279 J1256-0547 0 0 25 0.000 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 3C345 J1642+3948 32 34 40 29.624 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 3C454.3 J2253+1608 27 27 27 31.697 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: 4C39.25 J0927+3902 15 15 20 42.329 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: OJ287 J0854+2006 36 36 42 42.665 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: OQ208 J1407+2827 27 27 27 74.649 19841005_a ia207 1984.10.06-06:19:22.080 SRC_STAT: VR422201 J2202+4216 26 26 33 61.974 19841005_a ia207 1984.10.06-06:19:22.080 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.06-06:18:49 1. HRAS_085 7216 NOAM X Comp -1324211057.58 mm -40.584 mm 7.169 mm 8.515 mm 2. HRAS_085 7216 NOAM Y Comp -5332023077.11 mm 4.886 mm 20.015 mm 23.774 mm 3. HRAS_085 7216 NOAM Z Comp 3232118448.92 mm 141.920 mm 14.264 mm 16.943 mm HRAS_085 7216 U Comp 76.66 mm 76.658 mm 23.838 mm 23.041 mm HRAS_085 7216 E Comp -40.57 mm -40.565 mm 6.059 mm 5.857 mm HRAS_085 7216 N Comp 119.54 mm 119.542 mm 7.108 mm 6.870 mm 4. HRAS_085 CL 0 1984.10.05-18:10:41.736 26252.964 ns 0.173 ns 0.205 ns 5. HRAS_085 CL 1 1984.10.05-18:10:41.736 116.352 D-14 2.085 D-14 2.477 D-14 6. HRAS_085 CL 2 1984.10.05-18:10:41.736 8.505 D-14/day 1.825 D-14/day 2.168 D-14/day 32. HRAS_085 AT 0 1984.10.05-18:10:41.736 -134.934 ps 68.661 ps 81.556 ps HRAS_085 Atm 1984.10.06-06:41:13.920 Avg: -38.781 ps Rms: 46.971 ps Tot_Rms: 60.912 ps || Nat: 100 Dura: 86698.0 sec Tzd_avg: 6703.2 Tzd_rms: 39.7 Wzd_avg: 327.5 Wzd_rms: 33.3 ps Prs_avg: 83998. Pa Tem_avg: 13.9 C Stm_avg: -4.3 C Stm_rms: 2.3 K Spr_avg: 13. Spr_rms: 58. Pa 108. HRAS_085 NG 1984.10.05-18:09:41.736 -0.001 mm 0.422 mm 0.501 mm 109. HRAS_085 EG 1984.10.05-18:09:41.736 0.015 mm 0.421 mm 0.501 mm 110. HRAS_085 NG 1984.10.06-02:09:41.736 -0.022 mm 0.377 mm 0.447 mm 111. HRAS_085 EG 1984.10.06-02:09:41.736 0.002 mm 0.376 mm 0.447 mm 112. HRAS_085 NG 1984.10.06-10:09:41.736 0.029 mm 0.376 mm 0.447 mm 113. HRAS_085 EG 1984.10.06-10:09:41.736 0.002 mm 0.376 mm 0.447 mm 114. HRAS_085 NG 1984.10.06-18:09:41.736 0.047 mm 0.422 mm 0.501 mm 115. HRAS_085 EG 1984.10.06-18:09:41.736 -0.001 mm 0.422 mm 0.501 mm 116. RICHMOND 7219 NOAM X Comp 961257957.53 mm -61.474 mm 6.006 mm 7.134 mm 117. RICHMOND 7219 NOAM Y Comp -5674089966.29 mm 83.712 mm 17.631 mm 20.942 mm 118. RICHMOND 7219 NOAM Z Comp 2740533810.68 mm 12.675 mm 11.710 mm 13.910 mm RICHMOND 7219 U Comp -78.20 mm -78.205 mm 20.217 mm 19.541 mm RICHMOND 7219 E Comp -46.63 mm -46.627 mm 5.874 mm 5.678 mm RICHMOND 7219 N Comp 51.55 mm 51.549 mm 6.391 mm 6.177 mm 119. RICHMOND CL 0 1984.10.05-18:10:41.736 6066.980 ns 0.135 ns 0.161 ns 120. RICHMOND CL 1 1984.10.05-18:10:41.736 -121.933 D-14 2.080 D-14 2.471 D-14 121. RICHMOND CL 2 1984.10.05-18:10:41.736 2.258 D-14/day 1.817 D-14/day 2.159 D-14/day 147. RICHMOND AT 0 1984.10.05-18:10:41.736 -35.624 ps 59.848 ps 71.088 ps RICHMOND Atm 1984.10.06-06:41:13.920 Avg: -40.604 ps Rms: 13.491 ps Tot_Rms: 42.786 ps || Nat: 89 Dura: 86698.0 sec Tzd_avg: 8279.4 Tzd_rms: 16.7 Wzd_avg: 553.4 Wzd_rms: 16.8 ps Prs_avg: 101907. Pa Tem_avg: 22.9 C Stm_avg: -3.0 C Stm_rms: 2.5 K Spr_avg: 46. Spr_rms: 76. Pa 223. RICHMOND NG 1984.10.05-18:09:41.736 0.023 mm 0.422 mm 0.501 mm 224. RICHMOND EG 1984.10.05-18:09:41.736 0.027 mm 0.421 mm 0.500 mm 225. RICHMOND NG 1984.10.06-02:09:41.736 0.034 mm 0.377 mm 0.447 mm 226. RICHMOND EG 1984.10.06-02:09:41.736 0.008 mm 0.376 mm 0.447 mm 227. RICHMOND NG 1984.10.06-10:09:41.736 -0.043 mm 0.376 mm 0.447 mm 228. RICHMOND EG 1984.10.06-10:09:41.736 0.005 mm 0.376 mm 0.446 mm 229. RICHMOND NG 1984.10.06-18:09:41.736 -0.036 mm 0.421 mm 0.501 mm 230. RICHMOND EG 1984.10.06-18:09:41.736 -0.025 mm 0.421 mm 0.500 mm 231. WESTFORD 7209 NOAM X Comp 1492206577.56 mm 34.559 mm 6.001 mm 7.128 mm 232. WESTFORD 7209 NOAM Y Comp -4458130414.42 mm 107.581 mm 12.498 mm 14.845 mm 233. WESTFORD 7209 NOAM Z Comp 4296015503.41 mm -43.594 mm 12.509 mm 14.859 mm WESTFORD 7209 U Comp -96.52 mm -96.522 mm 17.121 mm 16.549 mm WESTFORD 7209 E Comp 66.92 mm 66.919 mm 5.821 mm 5.627 mm WESTFORD 7209 N Comp 29.56 mm 29.561 mm 4.654 mm 4.498 mm 234. WESTFORD AT 0 1984.10.05-18:10:41.736 44.064 ps 30.174 ps 35.841 ps WESTFORD Atm 1984.10.06-06:41:13.920 Avg: 6.803 ps Rms: 21.230 ps Tot_Rms: 22.293 ps || Nat: 144 Dura: 85392.0 sec Tzd_avg: 7809.7 Tzd_rms: 18.3 Wzd_avg: 90.4 Wzd_rms: 11.0 ps Prs_avg: 101931. Pa Tem_avg: 3.9 C Stm_avg: 0.1 C Stm_rms: 1.5 K Spr_avg: 226. Spr_rms: 58. Pa 310. WESTFORD NG 1984.10.05-18:09:41.736 0.004 mm 0.422 mm 0.501 mm 311. WESTFORD EG 1984.10.05-18:09:41.736 -0.077 mm 0.420 mm 0.498 mm 312. WESTFORD NG 1984.10.06-02:09:41.736 -0.000 mm 0.376 mm 0.447 mm 313. WESTFORD EG 1984.10.06-02:09:41.736 0.004 mm 0.376 mm 0.446 mm 314. WESTFORD NG 1984.10.06-10:09:41.736 0.010 mm 0.376 mm 0.447 mm 315. WESTFORD EG 1984.10.06-10:09:41.736 0.012 mm 0.376 mm 0.446 mm 316. WESTFORD NG 1984.10.06-18:09:41.736 -0.010 mm 0.422 mm 0.501 mm 317. WESTFORD EG 1984.10.06-18:09:41.736 0.035 mm 0.421 mm 0.500 mm 318. WETTZELL 7224 EURA X Comp 4075539908.50 mm 67.499 mm 14.929 mm 17.733 mm 319. WETTZELL 7224 EURA Y Comp 931735117.82 mm -196.179 mm 11.474 mm 13.628 mm 320. WETTZELL 7224 EURA Z Comp 4801629282.00 mm -111.002 mm 19.604 mm 23.286 mm WETTZELL 7224 U Comp -69.51 mm -69.515 mm 23.500 mm 22.714 mm WETTZELL 7224 E Comp -206.29 mm -206.288 mm 11.414 mm 11.032 mm WETTZELL 7224 N Comp -89.31 mm -89.312 mm 7.504 mm 7.253 mm 321. WETTZELL CL 0 1984.10.05-18:10:41.736 6694.011 ns 0.158 ns 0.187 ns 322. WETTZELL CL 1 1984.10.05-18:10:41.736 -142.790 D-14 2.112 D-14 2.509 D-14 323. WETTZELL CL 2 1984.10.05-18:10:41.736 6.754 D-14/day 1.891 D-14/day 2.246 D-14/day 349. WETTZELL AT 0 1984.10.05-18:10:41.736 26.481 ps 42.819 ps 50.860 ps WETTZELL Atm 1984.10.06-06:41:13.920 Avg: -14.106 ps Rms: 22.944 ps Tot_Rms: 26.933 ps || Nat: 102 Dura: 85392.0 sec Tzd_avg: 7415.4 Tzd_rms: 48.8 Wzd_avg: 340.6 Wzd_rms: 31.5 ps Prs_avg: 93903. Pa Tem_avg: 10.2 C Stm_avg: -0.1 C Stm_rms: 1.4 K Spr_avg: 537. Spr_rms: 82. Pa 425. WETTZELL NG 1984.10.05-18:09:41.736 -0.026 mm 0.422 mm 0.501 mm 426. WETTZELL EG 1984.10.05-18:09:41.736 -0.007 mm 0.422 mm 0.502 mm 427. WETTZELL NG 1984.10.06-02:09:41.736 -0.009 mm 0.377 mm 0.448 mm 428. WETTZELL EG 1984.10.06-02:09:41.736 -0.011 mm 0.377 mm 0.448 mm 429. WETTZELL NG 1984.10.06-10:09:41.736 0.012 mm 0.377 mm 0.448 mm 430. WETTZELL EG 1984.10.06-10:09:41.736 0.001 mm 0.377 mm 0.448 mm 431. WETTZELL NG 1984.10.06-18:09:41.736 0.004 mm 0.422 mm 0.502 mm 432. WETTZELL EG 1984.10.06-18:09:41.736 0.005 mm 0.422 mm 0.502 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 15.08 ps/h NRMS 0.30 share 0.87 count 76 2. RICHMOND Input 50.00 ps/h RMS 12.86 ps/h NRMS 0.26 share 0.87 count 76 3. WESTFORD Input 50.00 ps/h RMS 16.79 ps/h NRMS 0.34 share 0.80 count 76 4. WETTZELL Input 50.00 ps/h RMS 19.95 ps/h NRMS 0.40 share 0.85 count 76 Overall RMS 16.38 ps/h NRMS 0.33 share 0.85 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.04 share 0.53 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.10 mm/d NRMS 0.05 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.05 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.09 mm/d NRMS 0.04 share 0.53 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.34 D-14 NRMS 0.47 share 0.27 count 26 2. RICHMOND Input 5.00 D-14 RMS 6.08 D-14 NRMS 1.22 share 0.27 count 26 4. WETTZELL Input 5.00 D-14 RMS 2.28 D-14 NRMS 0.46 share 0.31 count 26 Overall RMS 3.98 D-14 NRMS 0.80 share 0.29 count 78 433. UT1-TAI 1, 1984.10.06-06:19:00.000 -1.7868 ms/d -92.15 micros/d 52.55 micros/d 62.42 micros/d EOP epoch (TDT) MJD: 45979.263567 NUT epoch (TDT) MJD: 45979.238094 434. Nutation DPSI wrt apriori model 1984.10.06-06:18:49.896 -1.430 mas 695.5 microasec 826.1 microasec Nutation Dx wrt apriori model 1984.10.06-06:18:49.896 -0.570 mas 275.7 microasec 327.4 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.06-06:18:49.896 -7.427 mas 695.5 microasec 826.1 microasec 435. Nutation DEPS wrt apriori model 1984.10.06-06:18:49.896 0.412 mas 298.9 microasec 355.1 microasec Nutation Dy wrt apriori model 1984.10.06-06:18:49.896 0.410 mas 299.9 microasec 356.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.06-06:18:49.896 1.379 mas 298.9 microasec 355.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.5262 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.06 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632817.91 6.97 2362632817.91 6.97 79.76 5.15 130.27 38.62 HRAS_085 7216 to WESTFORD 7209 3134928009.38 8.82 3134928009.38 8.82 110.03 4.85 193.39 34.48 HRAS_085 7216 to WETTZELL 7224 8417561492.23 27.33 8417561492.23 27.33 303.17 5.82 89.01 34.81 RICHMOND 7219 to WESTFORD 7209 2044501740.11 6.55 2044501740.11 6.55 109.19 4.25 31.99 28.43 RICHMOND 7219 to WETTZELL 7224 7588398490.72 22.39 7588398490.72 22.39 222.71 6.32 -101.75 34.44 WESTFORD 7209 to WETTZELL 7224 5998325336.92 16.85 5998325336.92 16.85 157.23 4.33 -57.00 34.05 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:40 Correlator type: Unknown Experiment code: ia208 Mark-3 db_name: $84OCT10XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841010_a Ver 2 ia208 Matrix Condition Number = 1.507525716772975E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 11.2 1.6 841.5 0.6 82.2 13.8 RICHMOND MET 21.8 3.5 1014.2 1.2 36.8 7.1 WESTFORD MET 12.6 1.9 1015.2 0.5 30.1 6.8 WETTZELL MET 11.4 3.2 955.7 1.4 81.9 3.7 Run 26091-1747 464 Observation Pairs Available Session started on: 2445984.251800 1984.10.10 18:02:35.520 UTC Nominal duration: 91730.880 sec 01 01:28:50.880 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 331 45.391 ps 0.86 1.0926 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 352 Number of potentially good observations with QC 5-9: 352 Number of used observations: 331 ( 94.03%) Number of suppressed observations: 21 ( 5.97%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 69 70 56.159 0.93 19841010_a ia208 1984.10.11-06:47:00.9 BAS_STAT HRAS_085 WESTFORD 69 72 70.290 0.94 19841010_a ia208 1984.10.11-06:47:00.9 BAS_STAT HRAS_085 WETTZELL 39 43 103.623 0.98 19841010_a ia208 1984.10.11-06:47:00.9 BAS_STAT RICHMOND WESTFORD 60 65 26.671 0.80 19841010_a ia208 1984.10.11-06:47:00.9 BAS_STAT RICHMOND WETTZELL 23 26 29.760 0.67 19841010_a ia208 1984.10.11-06:47:00.9 BAS_STAT WESTFORD WETTZELL 71 76 44.854 0.74 19841010_a ia208 1984.10.11-06:47:00.9 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 17 17 20 46.998 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 0212+735 J0217+7349 32 32 46 66.388 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 0229+131 J0231+1322 25 25 27 23.801 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 0528+134 J0530+1331 26 27 31 46.451 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 0552+398 J0555+3948 26 26 31 41.927 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 1803+784 J1800+7828 21 21 29 73.342 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 2134+00 J2136+0041 29 32 34 37.111 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 3C273B J1229+0203 16 16 28 23.573 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 3C279 J1256-0547 5 18 26 55.020 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 3C345 J1642+3948 28 29 43 24.511 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 3C454.3 J2253+1608 25 25 29 35.121 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: 4C39.25 J0927+3902 14 14 24 62.964 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: OJ287 J0854+2006 27 28 35 43.923 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: OQ208 J1407+2827 19 20 30 86.213 19841010_a ia208 1984.10.11-06:47:00.960 SRC_STAT: VR422201 J2202+4216 21 22 31 123.822 19841010_a ia208 1984.10.11-06:47:00.960 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.11-06:46:28 1. HRAS_085 7216 NOAM X Comp -1324211054.32 mm -37.316 mm 9.595 mm 10.029 mm 2. HRAS_085 7216 NOAM Y Comp -5332023070.27 mm 11.733 mm 26.828 mm 28.043 mm 3. HRAS_085 7216 NOAM Z Comp 3232118438.78 mm 131.775 mm 18.810 mm 19.661 mm HRAS_085 7216 U Comp 65.09 mm 65.093 mm 32.053 mm 27.635 mm HRAS_085 7216 E Comp -39.04 mm -39.044 mm 7.598 mm 6.550 mm HRAS_085 7216 N Comp 114.60 mm 114.601 mm 8.971 mm 7.734 mm 4. HRAS_085 CL 0 1984.10.10-18:02:03.336 26792.376 ns 0.233 ns 0.243 ns 5. HRAS_085 CL 1 1984.10.10-18:02:03.336 121.278 D-14 2.116 D-14 2.212 D-14 6. HRAS_085 CL 2 1984.10.10-18:02:03.336 3.766 D-14/day 1.857 D-14/day 1.941 D-14/day 33. HRAS_085 AT 0 1984.10.10-18:02:03.336 3.724 ps 82.318 ps 86.043 ps HRAS_085 Atm 1984.10.11-07:02:35.520 Avg: -5.771 ps Rms: 29.273 ps Tot_Rms: 29.837 ps || Nat: 102 Dura: 91738.0 sec Tzd_avg: 6842.4 Tzd_rms: 17.2 Wzd_avg: 461.5 Wzd_rms: 16.3 ps Prs_avg: 84152. Pa Tem_avg: 11.4 C Stm_avg: -4.7 C Stm_rms: 2.8 K Spr_avg: 39. Spr_rms: 35. Pa 112. HRAS_085 NG 1984.10.10-18:01:03.336 0.016 mm 0.422 mm 0.441 mm 113. HRAS_085 EG 1984.10.10-18:01:03.336 0.037 mm 0.422 mm 0.441 mm 114. HRAS_085 NG 1984.10.11-02:01:03.336 0.001 mm 0.377 mm 0.394 mm 115. HRAS_085 EG 1984.10.11-02:01:03.336 0.018 mm 0.377 mm 0.394 mm 116. HRAS_085 NG 1984.10.11-10:01:03.336 0.023 mm 0.377 mm 0.394 mm 117. HRAS_085 EG 1984.10.11-10:01:03.336 -0.003 mm 0.377 mm 0.394 mm 118. HRAS_085 NG 1984.10.11-18:01:03.336 0.001 mm 0.422 mm 0.441 mm 119. HRAS_085 EG 1984.10.11-18:01:03.336 -0.031 mm 0.422 mm 0.441 mm 120. RICHMOND 7219 NOAM X Comp 961257950.96 mm -68.040 mm 7.447 mm 7.784 mm 121. RICHMOND 7219 NOAM Y Comp -5674089931.51 mm 118.494 mm 21.249 mm 22.211 mm 122. RICHMOND 7219 NOAM Z Comp 2740533795.34 mm -2.665 mm 14.111 mm 14.749 mm RICHMOND 7219 U Comp -116.75 mm -116.748 mm 24.330 mm 20.976 mm RICHMOND 7219 E Comp -47.29 mm -47.292 mm 7.316 mm 6.308 mm RICHMOND 7219 N Comp 53.02 mm 53.016 mm 7.786 mm 6.712 mm 123. RICHMOND CL 0 1984.10.10-18:02:03.336 5592.670 ns 0.177 ns 0.185 ns 124. RICHMOND CL 1 1984.10.10-18:02:03.336 -106.479 D-14 2.106 D-14 2.201 D-14 125. RICHMOND CL 2 1984.10.10-18:02:03.336 4.435 D-14/day 1.846 D-14/day 1.930 D-14/day 152. RICHMOND AT 0 1984.10.10-18:02:03.336 -93.696 ps 73.902 ps 77.247 ps RICHMOND Atm 1984.10.11-07:02:35.520 Avg: 1.336 ps Rms: 68.782 ps Tot_Rms: 68.795 ps || Nat: 96 Dura: 88110.0 sec Tzd_avg: 8398.7 Tzd_rms: 32.7 Wzd_avg: 709.4 Wzd_rms: 33.1 ps Prs_avg: 101423. Pa Tem_avg: 21.8 C Stm_avg: -4.1 C Stm_rms: 2.5 K Spr_avg: -28. Spr_rms: 88. Pa 231. RICHMOND NG 1984.10.10-18:01:03.336 0.019 mm 0.422 mm 0.441 mm 232. RICHMOND EG 1984.10.10-18:01:03.336 -0.000 mm 0.422 mm 0.441 mm 233. RICHMOND NG 1984.10.11-02:01:03.336 0.024 mm 0.377 mm 0.394 mm 234. RICHMOND EG 1984.10.11-02:01:03.336 0.002 mm 0.376 mm 0.394 mm 235. RICHMOND NG 1984.10.11-10:01:03.336 -0.023 mm 0.377 mm 0.394 mm 236. RICHMOND EG 1984.10.11-10:01:03.336 0.000 mm 0.376 mm 0.393 mm 237. RICHMOND NG 1984.10.11-18:01:03.336 -0.006 mm 0.422 mm 0.441 mm 238. RICHMOND EG 1984.10.11-18:01:03.336 0.010 mm 0.421 mm 0.440 mm 239. WESTFORD 7209 NOAM X Comp 1492206575.61 mm 32.607 mm 7.201 mm 7.526 mm 240. WESTFORD 7209 NOAM Y Comp -4458130447.01 mm 74.990 mm 15.077 mm 15.759 mm 241. WESTFORD 7209 NOAM Z Comp 4296015517.05 mm -29.949 mm 13.965 mm 14.597 mm WESTFORD 7209 U Comp -64.99 mm -64.994 mm 19.577 mm 16.878 mm WESTFORD 7209 E Comp 54.72 mm 54.723 mm 7.600 mm 6.552 mm WESTFORD 7209 N Comp 19.10 mm 19.098 mm 5.757 mm 4.964 mm 242. WESTFORD AT 0 1984.10.10-18:02:03.336 -20.358 ps 33.483 ps 34.999 ps WESTFORD Atm 1984.10.11-07:02:35.520 Avg: -39.793 ps Rms: 17.153 ps Tot_Rms: 43.332 ps || Nat: 148 Dura: 91738.0 sec Tzd_avg: 8071.5 Tzd_rms: 52.2 Wzd_avg: 392.3 Wzd_rms: 55.8 ps Prs_avg: 101521. Pa Tem_avg: 12.8 C Stm_avg: -1.9 C Stm_rms: 1.2 K Spr_avg: 210. Spr_rms: 42. Pa 321. WESTFORD NG 1984.10.10-18:01:03.336 -0.006 mm 0.422 mm 0.441 mm 322. WESTFORD EG 1984.10.10-18:01:03.336 -0.015 mm 0.420 mm 0.439 mm 323. WESTFORD NG 1984.10.11-02:01:03.336 0.001 mm 0.377 mm 0.394 mm 324. WESTFORD EG 1984.10.11-02:01:03.336 -0.006 mm 0.376 mm 0.393 mm 325. WESTFORD NG 1984.10.11-10:01:03.336 0.005 mm 0.377 mm 0.394 mm 326. WESTFORD EG 1984.10.11-10:01:03.336 0.017 mm 0.376 mm 0.393 mm 327. WESTFORD NG 1984.10.11-18:01:03.336 -0.006 mm 0.422 mm 0.441 mm 328. WESTFORD EG 1984.10.11-18:01:03.336 0.029 mm 0.422 mm 0.441 mm 329. WETTZELL 7224 EURA X Comp 4075539913.75 mm 72.749 mm 18.329 mm 19.158 mm 330. WETTZELL 7224 EURA Y Comp 931735108.78 mm -205.216 mm 15.411 mm 16.109 mm 331. WETTZELL 7224 EURA Z Comp 4801629293.84 mm -99.162 mm 23.785 mm 24.861 mm WETTZELL 7224 U Comp -58.53 mm -58.529 mm 28.527 mm 24.594 mm WETTZELL 7224 E Comp -216.27 mm -216.268 mm 15.220 mm 13.121 mm WETTZELL 7224 N Comp -83.91 mm -83.914 mm 9.681 mm 8.346 mm 332. WETTZELL CL 0 1984.10.10-18:02:03.336 6102.214 ns 0.207 ns 0.216 ns 333. WETTZELL CL 1 1984.10.10-18:02:03.336 -141.645 D-14 2.230 D-14 2.331 D-14 334. WETTZELL CL 2 1984.10.10-18:02:03.336 2.125 D-14/day 2.134 D-14/day 2.231 D-14/day 361. WETTZELL AT 0 1984.10.10-18:02:03.336 -23.745 ps 66.813 ps 69.837 ps WETTZELL Atm 1984.10.11-07:02:35.520 Avg: -44.290 ps Rms: 20.950 ps Tot_Rms: 48.995 ps || Nat: 102 Dura: 83972.0 sec Tzd_avg: 7620.5 Tzd_rms: 23.6 Wzd_avg: 412.4 Wzd_rms: 17.3 ps Prs_avg: 95563. Pa Tem_avg: 11.6 C Stm_avg: -2.5 C Stm_rms: 1.8 K Spr_avg: 408. Spr_rms: 32. Pa 440. WETTZELL NG 1984.10.10-18:01:03.336 -0.014 mm 0.422 mm 0.441 mm 441. WETTZELL EG 1984.10.10-18:01:03.336 -0.003 mm 0.422 mm 0.441 mm 442. WETTZELL NG 1984.10.11-02:01:03.336 -0.013 mm 0.377 mm 0.394 mm 443. WETTZELL EG 1984.10.11-02:01:03.336 -0.006 mm 0.377 mm 0.394 mm 444. WETTZELL NG 1984.10.11-10:01:03.336 0.005 mm 0.377 mm 0.394 mm 445. WETTZELL EG 1984.10.11-10:01:03.336 0.003 mm 0.377 mm 0.394 mm 446. WETTZELL NG 1984.10.11-18:01:03.336 0.003 mm 0.422 mm 0.441 mm 447. WETTZELL EG 1984.10.11-18:01:03.336 -0.000 mm 0.422 mm 0.441 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 17.79 ps/h NRMS 0.36 share 0.91 count 79 2. RICHMOND Input 50.00 ps/h RMS 15.37 ps/h NRMS 0.31 share 0.90 count 79 3. WESTFORD Input 50.00 ps/h RMS 16.63 ps/h NRMS 0.33 share 0.84 count 79 4. WETTZELL Input 50.00 ps/h RMS 10.40 ps/h NRMS 0.21 share 0.89 count 79 Overall RMS 15.31 ps/h NRMS 0.31 share 0.89 count 316 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.02 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 4.52 D-14 NRMS 0.90 share 0.33 count 27 2. RICHMOND Input 5.00 D-14 RMS 2.01 D-14 NRMS 0.40 share 0.30 count 27 4. WETTZELL Input 5.00 D-14 RMS 2.18 D-14 NRMS 0.44 share 0.44 count 27 Overall RMS 3.12 D-14 NRMS 0.62 share 0.36 count 81 448. UT1-TAI 1, 1984.10.11-06:47:00.000 -1.8533 ms/d 37.19 micros/d 84.24 micros/d 88.05 micros/d EOP epoch (TDT) MJD: 45984.283011 NUT epoch (TDT) MJD: 45984.225189 449. Nutation DPSI wrt apriori model 1984.10.11-06:46:28.776 -0.630 mas 963.8 microasec 1007.4 microasec Nutation Dx wrt apriori model 1984.10.11-06:46:28.776 -0.251 mas 382.2 microasec 399.5 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.11-06:46:28.776 -5.853 mas 963.8 microasec 1007.4 microasec 450. Nutation DEPS wrt apriori model 1984.10.11-06:46:28.776 -0.025 mas 368.8 microasec 385.5 microasec Nutation Dy wrt apriori model 1984.10.11-06:46:28.776 -0.025 mas 370.2 microasec 386.9 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.11-06:46:28.776 1.580 mas 368.8 microasec 385.5 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1862 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.11 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632805.43 9.89 2362632805.43 9.89 73.96 7.16 157.00 49.73 HRAS_085 7216 to WESTFORD 7209 3134928001.77 11.93 3134928001.77 11.93 112.12 6.20 147.72 44.78 HRAS_085 7216 to WETTZELL 7224 8417561485.78 36.08 8417561485.78 36.08 301.10 8.54 62.67 44.33 RICHMOND 7219 to WESTFORD 7209 2044501723.29 7.69 2044501723.29 7.69 103.91 4.16 -39.36 31.85 RICHMOND 7219 to WETTZELL 7224 7588398464.80 27.51 7588398464.80 27.51 222.36 7.73 -147.87 42.19 WESTFORD 7209 to WETTZELL 7224 5998325361.03 21.50 5998325361.03 21.50 156.48 6.24 -51.72 40.05 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:43 Correlator type: Unknown Experiment code: ia209 Mark-3 db_name: $84OCT15XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841015_a Ver 2 ia209 Matrix Condition Number = 4.634941443344121E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 15.9 2.1 831.2 2.7 46.5 3.3 RICHMOND MET 21.7 4.1 1015.0 1.3 47.8 2.3 WESTFORD MET 10.5 3.6 1005.6 2.4 17.0 0.3 WETTZELL MET 8.1 1.8 957.5 0.4 88.9 12.4 Run 26091-1747 476 Observation Pairs Available Session started on: 2445989.250500 1984.10.15 18:00:43.200 UTC Nominal duration: 87022.080 sec 01 00:10:22.080 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 411 38.097 ps 1.02 1.5139 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 428 Number of potentially good observations with QC 5-9: 428 Number of used observations: 411 ( 96.03%) Number of suppressed observations: 17 ( 3.97%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 71 76 22.632 0.95 19841015_a ia209 1984.10.16-06:05:54.2 BAS_STAT HRAS_085 WESTFORD 79 84 52.549 1.03 19841015_a ia209 1984.10.16-06:05:54.2 BAS_STAT HRAS_085 WETTZELL 47 49 52.217 0.90 19841015_a ia209 1984.10.16-06:05:54.2 BAS_STAT RICHMOND WESTFORD 75 77 36.288 1.14 19841015_a ia209 1984.10.16-06:05:54.2 BAS_STAT RICHMOND WETTZELL 47 48 49.064 1.11 19841015_a ia209 1984.10.16-06:05:54.2 BAS_STAT WESTFORD WETTZELL 92 94 57.683 0.95 19841015_a ia209 1984.10.16-06:05:54.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 18 18 20 47.090 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 0212+735 J0217+7349 34 35 49 83.179 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 0229+131 J0231+1322 25 25 27 33.702 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 0528+134 J0530+1331 31 31 31 35.442 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 0552+398 J0555+3948 32 32 32 36.028 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 1803+784 J1800+7828 23 23 29 47.663 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 2134+00 J2136+0041 33 33 34 26.526 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 3C273B J1229+0203 25 28 29 29.946 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 3C279 J1256-0547 19 27 28 34.271 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 3C345 J1642+3948 33 33 41 28.510 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 3C454.3 J2253+1608 29 29 29 34.760 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: 4C39.25 J0927+3902 20 21 23 50.244 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: OJ287 J0854+2006 40 41 43 43.306 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: OQ208 J1407+2827 25 27 28 64.177 19841015_a ia209 1984.10.16-06:05:54.240 SRC_STAT: VR422201 J2202+4216 24 25 33 73.162 19841015_a ia209 1984.10.16-06:05:54.240 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.16-06:05:22 1. HRAS_085 7216 NOAM X Comp -1324211067.09 mm -50.086 mm 6.033 mm 7.423 mm 2. HRAS_085 7216 NOAM Y Comp -5332023099.28 mm -17.275 mm 16.077 mm 19.781 mm 3. HRAS_085 7216 NOAM Z Comp 3232118471.16 mm 164.158 mm 11.338 mm 13.950 mm HRAS_085 7216 U Comp 108.47 mm 108.466 mm 18.949 mm 19.260 mm HRAS_085 7216 E Comp -44.45 mm -44.446 mm 5.389 mm 5.478 mm HRAS_085 7216 N Comp 126.55 mm 126.548 mm 5.943 mm 6.040 mm 4. HRAS_085 CL 0 1984.10.15-18:00:11.016 27320.321 ns 0.159 ns 0.196 ns 5. HRAS_085 CL 1 1984.10.15-18:00:11.016 110.546 D-14 2.078 D-14 2.556 D-14 6. HRAS_085 CL 2 1984.10.15-18:00:11.016 5.719 D-14/day 1.774 D-14/day 2.183 D-14/day 32. HRAS_085 AT 0 1984.10.15-18:00:11.016 -215.687 ps 65.187 ps 80.206 ps HRAS_085 Atm 1984.10.16-06:30:43.200 Avg: -170.562 ps Rms: 45.976 ps Tot_Rms: 176.650 ps || Nat: 100 Dura: 87022.0 sec Tzd_avg: 6623.6 Tzd_rms: 22.9 Wzd_avg: 310.0 Wzd_rms: 28.2 ps Prs_avg: 83119. Pa Tem_avg: 15.9 C Stm_avg: -0.3 C Stm_rms: 1.2 K Spr_avg: -43. Spr_rms: 73. Pa 108. HRAS_085 NG 1984.10.15-17:59:11.016 -0.063 mm 0.422 mm 0.519 mm 109. HRAS_085 EG 1984.10.15-17:59:11.016 -0.036 mm 0.422 mm 0.519 mm 110. HRAS_085 NG 1984.10.16-01:59:11.016 -0.047 mm 0.376 mm 0.463 mm 111. HRAS_085 EG 1984.10.16-01:59:11.016 0.022 mm 0.376 mm 0.463 mm 112. HRAS_085 NG 1984.10.16-09:59:11.016 -0.015 mm 0.376 mm 0.463 mm 113. HRAS_085 EG 1984.10.16-09:59:11.016 0.048 mm 0.376 mm 0.463 mm 114. HRAS_085 NG 1984.10.16-17:59:11.016 0.067 mm 0.421 mm 0.518 mm 115. HRAS_085 EG 1984.10.16-17:59:11.016 -0.021 mm 0.421 mm 0.518 mm 116. RICHMOND 7219 NOAM X Comp 961257967.50 mm -51.499 mm 5.226 mm 6.430 mm 117. RICHMOND 7219 NOAM Y Comp -5674089966.96 mm 83.037 mm 16.200 mm 19.932 mm 118. RICHMOND 7219 NOAM Z Comp 2740533816.23 mm 18.233 mm 10.111 mm 12.441 mm RICHMOND 7219 U Comp -73.70 mm -73.699 mm 18.429 mm 18.731 mm RICHMOND 7219 E Comp -36.91 mm -36.906 mm 4.949 mm 5.030 mm RICHMOND 7219 N Comp 55.55 mm 55.552 mm 5.279 mm 5.366 mm 119. RICHMOND CL 0 1984.10.15-18:00:11.016 5152.977 ns 0.184 ns 0.226 ns 120. RICHMOND CL 1 1984.10.15-18:00:11.016 -109.284 D-14 2.121 D-14 2.609 D-14 121. RICHMOND CL 2 1984.10.15-18:00:11.016 6.842 D-14/day 1.803 D-14/day 2.218 D-14/day 147. RICHMOND AT 0 1984.10.15-18:00:11.016 98.033 ps 65.119 ps 80.122 ps RICHMOND Atm 1984.10.16-06:30:43.200 Avg: -42.975 ps Rms: 75.291 ps Tot_Rms: 86.692 ps || Nat: 96 Dura: 86192.0 sec Tzd_avg: 8349.7 Tzd_rms: 45.0 Wzd_avg: 658.0 Wzd_rms: 38.4 ps Prs_avg: 101504. Pa Tem_avg: 21.8 C Stm_avg: -5.1 C Stm_rms: 3.7 K Spr_avg: 45. Spr_rms: 77. Pa 223. RICHMOND NG 1984.10.15-17:59:11.016 0.069 mm 0.422 mm 0.519 mm 224. RICHMOND EG 1984.10.15-17:59:11.016 0.055 mm 0.421 mm 0.518 mm 225. RICHMOND NG 1984.10.16-01:59:11.016 0.010 mm 0.376 mm 0.463 mm 226. RICHMOND EG 1984.10.16-01:59:11.016 -0.064 mm 0.376 mm 0.462 mm 227. RICHMOND NG 1984.10.16-09:59:11.016 -0.005 mm 0.376 mm 0.463 mm 228. RICHMOND EG 1984.10.16-09:59:11.016 -0.113 mm 0.376 mm 0.462 mm 229. RICHMOND NG 1984.10.16-17:59:11.016 -0.056 mm 0.421 mm 0.518 mm 230. RICHMOND EG 1984.10.16-17:59:11.016 0.017 mm 0.420 mm 0.517 mm 231. WESTFORD 7209 NOAM X Comp 1492206580.43 mm 37.426 mm 5.135 mm 6.318 mm 232. WESTFORD 7209 NOAM Y Comp -4458130412.04 mm 109.956 mm 11.224 mm 13.810 mm 233. WESTFORD 7209 NOAM Z Comp 4296015497.82 mm -49.177 mm 10.067 mm 12.386 mm WESTFORD 7209 U Comp -101.29 mm -101.289 mm 14.571 mm 14.810 mm WESTFORD 7209 E Comp 70.39 mm 70.392 mm 5.095 mm 5.179 mm WESTFORD 7209 N Comp 26.36 mm 26.360 mm 3.925 mm 3.989 mm 234. WESTFORD AT 0 1984.10.15-18:00:11.016 50.830 ps 38.053 ps 46.820 ps WESTFORD Atm 1984.10.16-06:30:43.200 Avg: 38.841 ps Rms: 28.626 ps Tot_Rms: 48.250 ps || Nat: 147 Dura: 86340.0 sec Tzd_avg: 7885.8 Tzd_rms: 30.4 Wzd_avg: 278.7 Wzd_rms: 19.5 ps Prs_avg: 100553. Pa Tem_avg: 10.7 C Stm_avg: -1.4 C Stm_rms: 0.8 K Spr_avg: 244. Spr_rms: 34. Pa 310. WESTFORD NG 1984.10.15-17:59:11.016 0.013 mm 0.421 mm 0.518 mm 311. WESTFORD EG 1984.10.15-17:59:11.016 -0.052 mm 0.419 mm 0.516 mm 312. WESTFORD NG 1984.10.16-01:59:11.016 0.033 mm 0.376 mm 0.463 mm 313. WESTFORD EG 1984.10.16-01:59:11.016 0.032 mm 0.375 mm 0.461 mm 314. WESTFORD NG 1984.10.16-09:59:11.016 0.024 mm 0.376 mm 0.463 mm 315. WESTFORD EG 1984.10.16-09:59:11.016 0.023 mm 0.375 mm 0.462 mm 316. WESTFORD NG 1984.10.16-17:59:11.016 -0.041 mm 0.421 mm 0.518 mm 317. WESTFORD EG 1984.10.16-17:59:11.016 -0.056 mm 0.420 mm 0.516 mm 318. WETTZELL 7224 EURA X Comp 4075539905.16 mm 64.159 mm 12.915 mm 15.890 mm 319. WETTZELL 7224 EURA Y Comp 931735138.28 mm -175.717 mm 10.939 mm 13.459 mm 320. WETTZELL 7224 EURA Z Comp 4801629259.79 mm -133.213 mm 15.899 mm 19.562 mm WETTZELL 7224 U Comp -85.46 mm -85.461 mm 19.492 mm 19.811 mm WETTZELL 7224 E Comp -185.60 mm -185.596 mm 10.918 mm 11.097 mm WETTZELL 7224 N Comp -104.83 mm -104.828 mm 6.332 mm 6.436 mm 321. WETTZELL CL 0 1984.10.15-18:00:11.016 5281.120 ns 0.164 ns 0.201 ns 322. WETTZELL CL 1 1984.10.15-18:00:11.016 -158.781 D-14 2.132 D-14 2.623 D-14 323. WETTZELL CL 2 1984.10.15-18:00:11.016 6.122 D-14/day 1.842 D-14/day 2.266 D-14/day 349. WETTZELL AT 0 1984.10.15-18:00:11.016 31.354 ps 44.979 ps 55.342 ps WETTZELL Atm 1984.10.16-06:30:43.200 Avg: -54.125 ps Rms: 47.033 ps Tot_Rms: 71.705 ps || Nat: 103 Dura: 85510.0 sec Tzd_avg: 7537.5 Tzd_rms: 39.9 Wzd_avg: 312.9 Wzd_rms: 39.3 ps Prs_avg: 95743. Pa Tem_avg: 8.2 C Stm_avg: -0.1 C Stm_rms: 0.8 K Spr_avg: 417. Spr_rms: 36. Pa 425. WETTZELL NG 1984.10.15-17:59:11.016 -0.022 mm 0.422 mm 0.519 mm 426. WETTZELL EG 1984.10.15-17:59:11.016 -0.004 mm 0.422 mm 0.520 mm 427. WETTZELL NG 1984.10.16-01:59:11.016 0.001 mm 0.377 mm 0.464 mm 428. WETTZELL EG 1984.10.16-01:59:11.016 0.004 mm 0.377 mm 0.464 mm 429. WETTZELL NG 1984.10.16-09:59:11.016 0.003 mm 0.377 mm 0.464 mm 430. WETTZELL EG 1984.10.16-09:59:11.016 -0.016 mm 0.377 mm 0.464 mm 431. WETTZELL NG 1984.10.16-17:59:11.016 -0.004 mm 0.422 mm 0.519 mm 432. WETTZELL EG 1984.10.16-17:59:11.016 0.008 mm 0.422 mm 0.520 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 21.22 ps/h NRMS 0.42 share 0.85 count 76 2. RICHMOND Input 50.00 ps/h RMS 25.50 ps/h NRMS 0.51 share 0.83 count 76 3. WESTFORD Input 50.00 ps/h RMS 20.58 ps/h NRMS 0.41 share 0.78 count 76 4. WETTZELL Input 50.00 ps/h RMS 17.45 ps/h NRMS 0.35 share 0.84 count 76 Overall RMS 21.38 ps/h NRMS 0.43 share 0.82 count 304 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.53 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.24 mm/d NRMS 0.12 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.16 mm/d NRMS 0.08 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.17 mm/d NRMS 0.08 share 0.53 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 3.01 D-14 NRMS 0.60 share 0.23 count 26 2. RICHMOND Input 5.00 D-14 RMS 3.08 D-14 NRMS 0.62 share 0.23 count 26 4. WETTZELL Input 5.00 D-14 RMS 1.93 D-14 NRMS 0.39 share 0.29 count 26 Overall RMS 2.72 D-14 NRMS 0.54 share 0.25 count 78 433. UT1-TAI 1, 1984.10.16-06:05:00.000 -1.3289 ms/d -83.67 micros/d 50.66 micros/d 62.33 micros/d EOP epoch (TDT) MJD: 45989.253845 NUT epoch (TDT) MJD: 45989.291448 434. Nutation DPSI wrt apriori model 1984.10.16-06:05:22.056 0.327 mas 581.8 microasec 715.8 microasec Nutation Dx wrt apriori model 1984.10.16-06:05:22.056 0.128 mas 230.5 microasec 283.6 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.16-06:05:22.056 -4.922 mas 581.8 microasec 715.8 microasec 435. Nutation DEPS wrt apriori model 1984.10.16-06:05:22.056 0.658 mas 277.9 microasec 342.0 microasec Nutation Dy wrt apriori model 1984.10.16-06:05:22.056 0.659 mas 278.7 microasec 343.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.16-06:05:22.056 1.658 mas 277.9 microasec 342.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.6160 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.16 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632837.11 5.88 2362632837.11 5.88 79.33 4.39 157.66 32.16 HRAS_085 7216 to WESTFORD 7209 3134928017.89 7.35 3134928017.89 7.35 122.06 4.07 229.61 28.11 HRAS_085 7216 to WETTZELL 7224 8417561519.61 22.64 8417561519.61 22.64 309.51 5.68 144.15 28.43 RICHMOND 7219 to WESTFORD 7209 2044501731.60 5.98 2044501731.60 5.98 106.10 3.11 42.09 25.96 RICHMOND 7219 to WETTZELL 7224 7588398496.11 20.45 7588398496.11 20.45 226.11 5.04 -64.94 30.42 WESTFORD 7209 to WETTZELL 7224 5998325349.09 15.75 5998325349.09 15.75 156.65 4.21 -34.78 27.88 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:46 Correlator type: Unknown Experiment code: ia210 Mark-3 db_name: $84OCT20XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841020_a Ver 2 ia210 Matrix Condition Number = 4.285406942878520E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 10.8 3.3 834.0 1.7 47.6 6.5 RICHMOND MET 23.5 2.0 1016.3 1.1 50.3 4.4 WESTFORD MET 14.2 3.1 1008.4 2.4 14.5 1.0 WETTZELL MET 9.0 0.6 949.4 2.0 56.6 6.6 Run 26091-1747 453 Observation Pairs Available Session started on: 2445994.251700 1984.10.20 18:02:26.880 UTC Nominal duration: 85717.440 sec 00 23:48:37.440 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 390 35.609 ps 0.93 1.2674 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 414 Number of potentially good observations with QC 5-9: 414 Number of used observations: 390 ( 94.20%) Number of suppressed observations: 24 ( 5.80%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 62 67 19.035 0.80 19841020_a ia210 1984.10.21-05:56:45.6 BAS_STAT HRAS_085 WESTFORD 87 88 70.000 1.06 19841020_a ia210 1984.10.21-05:56:45.6 BAS_STAT HRAS_085 WETTZELL 52 52 48.405 0.91 19841020_a ia210 1984.10.21-05:56:45.6 BAS_STAT RICHMOND WESTFORD 65 71 29.704 0.97 19841020_a ia210 1984.10.21-05:56:45.6 BAS_STAT RICHMOND WETTZELL 38 43 47.440 0.99 19841020_a ia210 1984.10.21-05:56:45.6 BAS_STAT WESTFORD WETTZELL 86 93 42.469 0.80 19841020_a ia210 1984.10.21-05:56:45.6 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 16 16 19 46.571 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 0212+735 J0217+7349 30 34 45 72.551 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 0229+131 J0231+1322 22 24 27 29.686 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 0528+134 J0530+1331 29 32 32 44.261 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 0552+398 J0555+3948 29 29 29 34.496 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 1803+784 J1800+7828 29 29 29 43.701 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 2134+00 J2136+0041 31 32 34 25.144 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 3C273B J1229+0203 24 26 26 25.152 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 3C345 J1642+3948 29 33 40 30.756 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 3C454.3 J2253+1608 27 28 29 28.991 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: 4C39.25 J0927+3902 35 37 41 39.991 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: OJ287 J0854+2006 35 37 37 46.299 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: OQ208 J1407+2827 31 32 33 54.682 19841020_a ia210 1984.10.21-05:56:45.600 SRC_STAT: VR422201 J2202+4216 23 25 32 54.688 19841020_a ia210 1984.10.21-05:56:45.600 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.21-05:56:13 1. HRAS_085 7216 NOAM X Comp -1324211065.60 mm -48.599 mm 6.531 mm 7.353 mm 2. HRAS_085 7216 NOAM Y Comp -5332023073.13 mm 8.870 mm 19.077 mm 21.476 mm 3. HRAS_085 7216 NOAM Z Comp 3232118452.99 mm 145.991 mm 13.110 mm 14.760 mm HRAS_085 7216 U Comp 77.07 mm 77.068 mm 22.512 mm 20.873 mm HRAS_085 7216 E Comp -49.30 mm -49.304 mm 5.886 mm 5.457 mm HRAS_085 7216 N Comp 124.03 mm 124.031 mm 6.084 mm 5.641 mm 4. HRAS_085 CL 0 1984.10.20-18:01:54.696 27815.258 ns 0.173 ns 0.195 ns 5. HRAS_085 CL 1 1984.10.20-18:01:54.696 105.414 D-14 2.109 D-14 2.375 D-14 6. HRAS_085 CL 2 1984.10.20-18:01:54.696 4.879 D-14/day 1.825 D-14/day 2.055 D-14/day 31. HRAS_085 AT 0 1984.10.20-18:01:54.696 -131.234 ps 65.048 ps 73.230 ps HRAS_085 Atm 1984.10.21-06:02:26.880 Avg: -91.387 ps Rms: 43.475 ps Tot_Rms: 101.201 ps || Nat: 98 Dura: 84880.0 sec Tzd_avg: 6639.2 Tzd_rms: 30.2 Wzd_avg: 305.2 Wzd_rms: 39.2 ps Prs_avg: 83400. Pa Tem_avg: 10.9 C Stm_avg: -2.0 C Stm_rms: 1.6 K Spr_avg: -28. Spr_rms: 66. Pa 104. HRAS_085 NG 1984.10.20-18:00:54.696 -0.022 mm 0.422 mm 0.475 mm 105. HRAS_085 EG 1984.10.20-18:00:54.696 0.003 mm 0.422 mm 0.475 mm 106. HRAS_085 NG 1984.10.21-02:00:54.696 -0.034 mm 0.376 mm 0.424 mm 107. HRAS_085 EG 1984.10.21-02:00:54.696 0.069 mm 0.376 mm 0.424 mm 108. HRAS_085 NG 1984.10.21-10:00:54.696 -0.020 mm 0.376 mm 0.424 mm 109. HRAS_085 EG 1984.10.21-10:00:54.696 0.010 mm 0.376 mm 0.424 mm 110. HRAS_085 NG 1984.10.21-18:00:54.696 0.057 mm 0.421 mm 0.474 mm 111. HRAS_085 EG 1984.10.21-18:00:54.696 -0.090 mm 0.422 mm 0.475 mm 112. RICHMOND 7219 NOAM X Comp 961257965.46 mm -53.537 mm 5.676 mm 6.390 mm 113. RICHMOND 7219 NOAM Y Comp -5674089972.63 mm 77.373 mm 19.182 mm 21.595 mm 114. RICHMOND 7219 NOAM Z Comp 2740533824.47 mm 26.470 mm 11.381 mm 12.813 mm RICHMOND 7219 U Comp -65.41 mm -65.409 mm 21.774 mm 20.188 mm RICHMOND 7219 E Comp -39.86 mm -39.861 mm 5.145 mm 4.771 mm RICHMOND 7219 N Comp 60.71 mm 60.713 mm 5.400 mm 5.006 mm 115. RICHMOND CL 0 1984.10.20-18:01:54.696 4763.918 ns 0.163 ns 0.183 ns 116. RICHMOND CL 1 1984.10.20-18:01:54.696 -80.949 D-14 2.140 D-14 2.409 D-14 117. RICHMOND CL 2 1984.10.20-18:01:54.696 3.488 D-14/day 1.841 D-14/day 2.073 D-14/day 142. RICHMOND AT 0 1984.10.20-18:01:54.696 -0.898 ps 59.936 ps 67.476 ps RICHMOND Atm 1984.10.21-06:02:26.880 Avg: -46.597 ps Rms: 32.739 ps Tot_Rms: 56.949 ps || Nat: 87 Dura: 83462.0 sec Tzd_avg: 8496.5 Tzd_rms: 58.7 Wzd_avg: 793.6 Wzd_rms: 58.3 ps Prs_avg: 101629. Pa Tem_avg: 23.6 C Stm_avg: -3.0 C Stm_rms: 1.9 K Spr_avg: -38. Spr_rms: 63. Pa 215. RICHMOND NG 1984.10.20-18:00:54.696 0.008 mm 0.422 mm 0.475 mm 216. RICHMOND EG 1984.10.20-18:00:54.696 -0.051 mm 0.421 mm 0.474 mm 217. RICHMOND NG 1984.10.21-02:00:54.696 -0.017 mm 0.376 mm 0.424 mm 218. RICHMOND EG 1984.10.21-02:00:54.696 -0.098 mm 0.376 mm 0.423 mm 219. RICHMOND NG 1984.10.21-10:00:54.696 -0.010 mm 0.377 mm 0.424 mm 220. RICHMOND EG 1984.10.21-10:00:54.696 -0.019 mm 0.376 mm 0.423 mm 221. RICHMOND NG 1984.10.21-18:00:54.696 0.024 mm 0.421 mm 0.474 mm 222. RICHMOND EG 1984.10.21-18:00:54.696 0.095 mm 0.420 mm 0.473 mm 223. WESTFORD 7209 NOAM X Comp 1492206578.73 mm 35.726 mm 5.382 mm 6.059 mm 224. WESTFORD 7209 NOAM Y Comp -4458130423.58 mm 98.417 mm 10.952 mm 12.329 mm 225. WESTFORD 7209 NOAM Z Comp 4296015503.68 mm -43.321 mm 10.202 mm 11.485 mm WESTFORD 7209 U Comp -89.67 mm -89.669 mm 14.436 mm 13.385 mm WESTFORD 7209 E Comp 65.12 mm 65.117 mm 5.243 mm 4.862 mm WESTFORD 7209 N Comp 23.63 mm 23.628 mm 4.135 mm 3.834 mm 226. WESTFORD AT 0 1984.10.20-18:01:54.696 0.034 ps 34.837 ps 39.219 ps WESTFORD Atm 1984.10.21-06:02:26.880 Avg: 40.086 ps Rms: 55.628 ps Tot_Rms: 68.567 ps || Nat: 144 Dura: 85712.0 sec Tzd_avg: 7953.4 Tzd_rms: 124.7 Wzd_avg: 327.1 Wzd_rms: 121.2 ps Prs_avg: 100833. Pa Tem_avg: 14.3 C Stm_avg: 0.2 C Stm_rms: 1.3 K Spr_avg: 251. Spr_rms: 39. Pa 299. WESTFORD NG 1984.10.20-18:00:54.696 -0.025 mm 0.421 mm 0.474 mm 300. WESTFORD EG 1984.10.20-18:00:54.696 0.107 mm 0.419 mm 0.472 mm 301. WESTFORD NG 1984.10.21-02:00:54.696 0.058 mm 0.376 mm 0.423 mm 302. WESTFORD EG 1984.10.21-02:00:54.696 0.059 mm 0.376 mm 0.423 mm 303. WESTFORD NG 1984.10.21-10:00:54.696 0.046 mm 0.376 mm 0.424 mm 304. WESTFORD EG 1984.10.21-10:00:54.696 0.024 mm 0.375 mm 0.423 mm 305. WESTFORD NG 1984.10.21-18:00:54.696 -0.079 mm 0.421 mm 0.474 mm 306. WESTFORD EG 1984.10.21-18:00:54.696 -0.032 mm 0.420 mm 0.473 mm 307. WETTZELL 7224 EURA X Comp 4075539907.41 mm 66.410 mm 13.018 mm 14.656 mm 308. WETTZELL 7224 EURA Y Comp 931735129.34 mm -184.660 mm 10.650 mm 11.990 mm 309. WETTZELL 7224 EURA Z Comp 4801629263.86 mm -129.140 mm 16.638 mm 18.731 mm WETTZELL 7224 U Comp -82.25 mm -82.249 mm 20.077 mm 18.614 mm WETTZELL 7224 E Comp -194.82 mm -194.816 mm 10.710 mm 9.930 mm WETTZELL 7224 N Comp -102.32 mm -102.316 mm 6.476 mm 6.004 mm 310. WETTZELL CL 0 1984.10.20-18:01:54.696 4804.724 ns 0.150 ns 0.168 ns 311. WETTZELL CL 1 1984.10.20-18:01:54.696 -167.328 D-14 2.101 D-14 2.366 D-14 312. WETTZELL CL 2 1984.10.20-18:01:54.696 3.396 D-14/day 1.830 D-14/day 2.061 D-14/day 337. WETTZELL AT 0 1984.10.20-18:01:54.696 -66.586 ps 55.125 ps 62.059 ps WETTZELL Atm 1984.10.21-06:02:26.880 Avg: -16.844 ps Rms: 30.112 ps Tot_Rms: 34.503 ps || Nat: 101 Dura: 85712.0 sec Tzd_avg: 7430.6 Tzd_rms: 15.5 Wzd_avg: 270.6 Wzd_rms: 19.7 ps Prs_avg: 94938. Pa Tem_avg: 9.0 C Stm_avg: 0.5 C Stm_rms: 0.5 K Spr_avg: 481. Spr_rms: 46. Pa 410. WETTZELL NG 1984.10.20-18:00:54.696 -0.010 mm 0.422 mm 0.475 mm 411. WETTZELL EG 1984.10.20-18:00:54.696 -0.018 mm 0.422 mm 0.475 mm 412. WETTZELL NG 1984.10.21-02:00:54.696 -0.020 mm 0.377 mm 0.424 mm 413. WETTZELL EG 1984.10.21-02:00:54.696 -0.007 mm 0.377 mm 0.424 mm 414. WETTZELL NG 1984.10.21-10:00:54.696 0.007 mm 0.377 mm 0.424 mm 415. WETTZELL EG 1984.10.21-10:00:54.696 0.009 mm 0.377 mm 0.424 mm 416. WETTZELL NG 1984.10.21-18:00:54.696 0.015 mm 0.422 mm 0.475 mm 417. WETTZELL EG 1984.10.21-18:00:54.696 -0.000 mm 0.422 mm 0.475 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 21.85 ps/h NRMS 0.44 share 0.85 count 73 2. RICHMOND Input 50.00 ps/h RMS 21.28 ps/h NRMS 0.43 share 0.86 count 73 3. WESTFORD Input 50.00 ps/h RMS 22.66 ps/h NRMS 0.45 share 0.78 count 73 4. WETTZELL Input 50.00 ps/h RMS 20.33 ps/h NRMS 0.41 share 0.82 count 73 Overall RMS 21.55 ps/h NRMS 0.43 share 0.83 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.10 share 0.54 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.09 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.11 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.04 mm/d NRMS 0.02 share 0.54 count 8 Overall RMS 0.17 mm/d NRMS 0.09 share 0.53 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.03 D-14 NRMS 0.41 share 0.22 count 25 2. RICHMOND Input 5.00 D-14 RMS 2.01 D-14 NRMS 0.40 share 0.24 count 25 4. WETTZELL Input 5.00 D-14 RMS 1.91 D-14 NRMS 0.38 share 0.25 count 25 Overall RMS 1.98 D-14 NRMS 0.40 share 0.24 count 75 418. UT1-TAI 1, 1984.10.21-05:56:00.000 -2.2670 ms/d -4.08 micros/d 55.25 micros/d 62.20 micros/d EOP epoch (TDT) MJD: 45994.247595 NUT epoch (TDT) MJD: 45994.282415 419. Nutation DPSI wrt apriori model 1984.10.21-05:56:13.416 -1.936 mas 611.4 microasec 688.3 microasec Nutation Dx wrt apriori model 1984.10.21-05:56:13.416 -0.771 mas 242.2 microasec 272.6 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.21-05:56:13.416 -5.715 mas 611.4 microasec 688.3 microasec 420. Nutation DEPS wrt apriori model 1984.10.21-05:56:13.416 0.114 mas 307.1 microasec 345.8 microasec Nutation Dy wrt apriori model 1984.10.21-05:56:13.416 0.112 mas 308.0 microasec 346.7 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.21-05:56:13.416 2.264 mas 307.1 microasec 345.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.3585 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.21 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632832.81 7.28 2362632832.81 7.28 72.14 4.93 117.02 39.64 HRAS_085 7216 to WESTFORD 7209 3134928012.68 8.17 3134928012.68 8.17 123.92 4.34 185.15 30.57 HRAS_085 7216 to WETTZELL 7224 8417561498.14 24.19 8417561498.14 24.19 315.75 5.52 109.13 30.83 RICHMOND 7219 to WESTFORD 7209 2044501726.39 6.40 2044501726.39 6.40 107.17 3.39 38.63 28.33 RICHMOND 7219 to WETTZELL 7224 7588398493.89 21.45 7588398493.89 21.45 232.53 5.09 -65.50 32.41 WESTFORD 7209 to WETTZELL 7224 5998325352.98 14.43 5998325352.98 14.43 159.86 4.04 -34.48 28.86 NNT_POS: 5 stations participated in NNT_POS constraints: JPL_MV1 MAMMOTHL MOJAVE12 OVRO_130 VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:49 Correlator type: Unknown Experiment code: cdp84o Mark-3 db_name: $84OCT22X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841022_a Ver 2 cdp84o Matrix Condition Number = 3.827911290127797E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- JPL_MV1 : GION | | MAMMOTHL: GION | | MOJAVE12: GION | | OVRO_130: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for MAMMOTHL is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms JPL_MV1 MET 18.0 3.2 964.1 0.7 22.4 0.7 MAMMOTHL MET 4.1 5.6 770.6 0.9 27.7 27.1 MOJAVE12 MET 9.7 5.0 913.3 0.8 49.7 0.3 OVRO_130 MET 8.8 4.7 882.8 1.7 26.3 6.9 VNDNBERG MET 17.9 2.3 1014.5 0.6 11.7 0.7 Run 26091-1747 692 Observation Pairs Available Session started on: 2445996.169500 1984.10.22 16:04:04.800 UTC Nominal duration: 87143.040 sec 01 00:12:23.040 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 454 23.842 ps 0.85 1.0588 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 498 Number of potentially good observations with QC 5-9: 498 Number of used observations: 454 ( 91.16%) Number of suppressed observations: 44 ( 8.84%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 MOJAVE12 78 87 145.883 0.92 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT JPL_MV1 OVRO_130 42 47 94.418 0.85 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT JPL_MV1 VNDNBERG 25 28 189.814 0.95 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT MAMMOTHL MOJAVE12 67 70 58.537 0.88 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT MAMMOTHL OVRO_130 32 34 37.184 0.83 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT MAMMOTHL VNDNBERG 46 46 46.734 0.96 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT MOJAVE12 OVRO_130 45 53 4.888 0.43 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT MOJAVE12 VNDNBERG 84 90 41.458 0.95 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT OVRO_130 VNDNBERG 35 43 8.962 0.56 19841022_a cdp84o 1984.10.23-04:10:16.3 BAS_STAT Not included: JPL_MV1 MAMMOTHL 0/ 0 deselected baseline 19841022_a cdp84o Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 30 33 48 31.109 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 0528+134 J0530+1331 18 19 36 37.786 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 0552+398 J0555+3948 33 38 56 22.663 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 1921-293 J1924-2914 18 19 23 27.047 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 2134+00 J2136+0041 46 47 54 44.677 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 3C273B J1229+0203 43 46 56 17.045 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 3C345 J1642+3948 57 67 103 17.306 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 3C454.3 J2253+1608 47 47 54 28.913 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 3C84 J0319+4130 42 47 65 13.010 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: 4C39.25 J0927+3902 39 42 56 18.762 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: NRAO150 J0359+5057 40 43 64 25.591 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: NRAO530 J1733-1304 21 26 37 48.633 19841022_a cdp84o 1984.10.23-04:10:16.320 SRC_STAT: OJ287 J0854+2006 20 24 40 32.216 19841022_a cdp84o 1984.10.23-04:10:16.320 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.23-04:09:44 1. JPL_MV1 7263 PCFC X Comp -2493306109.02 mm 187.977 mm 30.676 mm 31.565 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197354.97 mm 29.026 mm 55.333 mm 56.936 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519299.13 mm -163.870 mm 41.549 mm 42.753 mm JPL_MV1 7263 U Comp -186.68 mm -186.682 mm 74.798 mm 63.851 mm JPL_MV1 7263 E Comp 152.00 mm 152.002 mm 6.370 mm 5.438 mm JPL_MV1 7263 N Comp -71.25 mm -71.250 mm 9.683 mm 8.266 mm 4. JPL_MV1 CL 0 1984.10.22-16:03:32.616 -968.881 ns 0.453 ns 0.467 ns 5. JPL_MV1 CL 1 1984.10.22-16:03:32.616 -83.865 D-14 2.209 D-14 2.273 D-14 6. JPL_MV1 CL 2 1984.10.22-16:03:32.616 -7.447 D-14/day 1.909 D-14/day 1.965 D-14/day 32. JPL_MV1 AT 0 1984.10.22-16:03:32.616 232.390 ps 160.596 ps 165.250 ps JPL_MV1 Atm 1984.10.23-04:34:04.800 Avg: 138.517 ps Rms: 40.038 ps Tot_Rms: 144.187 ps || Nat: 108 Dura: 87150.0 sec Tzd_avg: 7512.9 Tzd_rms: 28.2 Wzd_avg: 202.3 Wzd_rms: 27.7 ps Prs_avg: 96412. Pa Tem_avg: 18.0 C Stm_avg: 0.8 C Stm_rms: 2.1 K Spr_avg: 125. Spr_rms: 37. Pa 108. JPL_MV1 NG 1984.10.22-16:02:32.616 0.001 mm 0.422 mm 0.435 mm 109. JPL_MV1 EG 1984.10.22-16:02:32.616 0.007 mm 0.422 mm 0.434 mm 110. JPL_MV1 NG 1984.10.23-00:02:32.616 0.022 mm 0.377 mm 0.388 mm 111. JPL_MV1 EG 1984.10.23-00:02:32.616 0.004 mm 0.377 mm 0.388 mm 112. JPL_MV1 NG 1984.10.23-08:02:32.616 0.000 mm 0.377 mm 0.388 mm 113. JPL_MV1 EG 1984.10.23-08:02:32.616 -0.022 mm 0.377 mm 0.388 mm 114. JPL_MV1 NG 1984.10.23-16:02:32.616 -0.013 mm 0.422 mm 0.435 mm 115. JPL_MV1 EG 1984.10.23-16:02:32.616 -0.003 mm 0.422 mm 0.434 mm 116. MAMMOTHL 7259 NOAM X Comp -2448247008.27 mm -62.269 mm 15.568 mm 16.019 mm 117. MAMMOTHL 7259 NOAM Y Comp -4426738188.87 mm -27.869 mm 28.480 mm 29.305 mm 118. MAMMOTHL 7259 NOAM Z Comp 3875436006.07 mm 227.075 mm 22.770 mm 23.430 mm MAMMOTHL 7259 U Comp 181.85 mm 181.854 mm 39.065 mm 33.348 mm MAMMOTHL 7259 E Comp -41.00 mm -41.003 mm 3.544 mm 3.025 mm MAMMOTHL 7259 N Comp 146.51 mm 146.509 mm 5.773 mm 4.928 mm 119. MAMMOTHL CL 0 1984.10.22-16:03:32.616 3213.742 ns 0.261 ns 0.269 ns 120. MAMMOTHL CL 1 1984.10.22-16:03:32.616 17.645 D-14 2.389 D-14 2.458 D-14 121. MAMMOTHL CL 2 1984.10.22-16:03:32.616 -0.022 D-14/day 2.477 D-14/day 2.549 D-14/day 147. MAMMOTHL AT 0 1984.10.22-16:03:32.616 -233.622 ps 120.815 ps 124.316 ps MAMMOTHL Atm 1984.10.23-04:34:04.800 Avg: -236.868 ps Rms: 18.647 ps Tot_Rms: 237.601 ps || Nat: 86 Dura: 72940.0 sec Tzd_avg: 5948.4 Tzd_rms: 9.1 Wzd_avg: 95.9 Wzd_rms: 12.3 ps Prs_avg: 77062. Pa Tem_avg: 3.9 C Stm_avg: 0.3 C Stm_rms: 3.0 K Spr_avg: 26. Spr_rms: 55. Pa 223. MAMMOTHL NG 1984.10.22-16:02:32.616 -0.004 mm 0.422 mm 0.434 mm 224. MAMMOTHL EG 1984.10.22-16:02:32.616 -0.004 mm 0.422 mm 0.434 mm 225. MAMMOTHL NG 1984.10.23-00:02:32.616 -0.001 mm 0.377 mm 0.388 mm 226. MAMMOTHL EG 1984.10.23-00:02:32.616 -0.001 mm 0.377 mm 0.387 mm 227. MAMMOTHL NG 1984.10.23-08:02:32.616 0.009 mm 0.377 mm 0.388 mm 228. MAMMOTHL EG 1984.10.23-08:02:32.616 0.029 mm 0.377 mm 0.387 mm 229. MAMMOTHL NG 1984.10.23-16:02:32.616 0.001 mm 0.422 mm 0.435 mm 230. MAMMOTHL EG 1984.10.23-16:02:32.616 0.010 mm 0.422 mm 0.435 mm 231. MOJAVE12 7222 NOAM X Comp -2356171238.64 mm -142.640 mm 10.174 mm 10.469 mm 232. MOJAVE12 7222 NOAM Y Comp -4646755705.86 mm 126.140 mm 18.975 mm 19.525 mm 233. MOJAVE12 7222 NOAM Z Comp 3668470689.93 mm 108.928 mm 14.345 mm 14.761 mm MOJAVE12 7222 U Comp 23.84 mm 23.838 mm 25.492 mm 21.761 mm MOJAVE12 7222 E Comp -184.27 mm -184.266 mm 2.742 mm 2.340 mm MOJAVE12 7222 N Comp 116.62 mm 116.621 mm 3.466 mm 2.959 mm 234. MOJAVE12 AT 0 1984.10.22-16:03:32.616 -150.960 ps 99.052 ps 101.922 ps MOJAVE12 Atm 1984.10.23-04:34:04.800 Avg: -97.235 ps Rms: 26.694 ps Tot_Rms: 100.833 ps || Nat: 108 Dura: 87150.0 sec Tzd_avg: 7065.9 Tzd_rms: 17.2 Wzd_avg: 146.8 Wzd_rms: 13.3 ps Prs_avg: 91337. Pa Tem_avg: 9.7 C Stm_avg: -2.0 C Stm_rms: 3.8 K Spr_avg: 231. Spr_rms: 70. Pa 310. MOJAVE12 NG 1984.10.22-16:02:32.616 0.011 mm 0.422 mm 0.434 mm 311. MOJAVE12 EG 1984.10.22-16:02:32.616 -0.030 mm 0.420 mm 0.433 mm 312. MOJAVE12 NG 1984.10.23-00:02:32.616 -0.020 mm 0.376 mm 0.387 mm 313. MOJAVE12 EG 1984.10.23-00:02:32.616 0.073 mm 0.375 mm 0.386 mm 314. MOJAVE12 NG 1984.10.23-08:02:32.616 0.045 mm 0.376 mm 0.387 mm 315. MOJAVE12 EG 1984.10.23-08:02:32.616 -0.043 mm 0.375 mm 0.386 mm 316. MOJAVE12 NG 1984.10.23-16:02:32.616 0.038 mm 0.421 mm 0.434 mm 317. MOJAVE12 EG 1984.10.23-16:02:32.616 0.012 mm 0.419 mm 0.431 mm 318. OVRO_130 7207 NOAM X Comp -2409600999.02 mm -112.022 mm 11.302 mm 11.630 mm 319. OVRO_130 7207 NOAM Y Comp -4478349389.44 mm 74.562 mm 20.750 mm 21.351 mm 320. OVRO_130 7207 NOAM Z Comp 3838603313.41 mm 125.412 mm 16.218 mm 16.688 mm OVRO_130 7207 U Comp 65.86 mm 65.861 mm 28.080 mm 23.971 mm OVRO_130 7207 E Comp -133.98 mm -133.978 mm 2.625 mm 2.241 mm OVRO_130 7207 N Comp 107.47 mm 107.466 mm 5.090 mm 4.345 mm 321. OVRO_130 CL 0 1984.10.22-16:03:32.616 3618.615 ns 0.215 ns 0.221 ns 322. OVRO_130 CL 1 1984.10.22-16:03:32.616 -174.771 D-14 2.191 D-14 2.255 D-14 323. OVRO_130 CL 2 1984.10.22-16:03:32.616 0.085 D-14/day 1.947 D-14/day 2.003 D-14/day 349. OVRO_130 AT 0 1984.10.22-16:03:32.616 -158.073 ps 113.065 ps 116.341 ps OVRO_130 Atm 1984.10.23-04:34:04.800 Avg: -149.307 ps Rms: 33.518 ps Tot_Rms: 153.023 ps || Nat: 55 Dura: 84450.0 sec Tzd_avg: 6841.0 Tzd_rms: 15.3 Wzd_avg: 140.9 Wzd_rms: 6.2 ps Prs_avg: 88293. Pa Tem_avg: 8.6 C Stm_avg: -0.7 C Stm_rms: 2.4 K Spr_avg: 53. Spr_rms: 73. Pa 425. OVRO_130 NG 1984.10.22-16:02:32.616 0.004 mm 0.422 mm 0.434 mm 426. OVRO_130 EG 1984.10.22-16:02:32.616 0.030 mm 0.421 mm 0.433 mm 427. OVRO_130 NG 1984.10.23-00:02:32.616 0.016 mm 0.377 mm 0.388 mm 428. OVRO_130 EG 1984.10.23-00:02:32.616 -0.051 mm 0.376 mm 0.387 mm 429. OVRO_130 NG 1984.10.23-08:02:32.616 -0.043 mm 0.377 mm 0.388 mm 430. OVRO_130 EG 1984.10.23-08:02:32.616 -0.013 mm 0.376 mm 0.387 mm 431. OVRO_130 NG 1984.10.23-16:02:32.616 -0.023 mm 0.422 mm 0.434 mm 432. OVRO_130 EG 1984.10.23-16:02:32.616 -0.033 mm 0.421 mm 0.433 mm 433. VNDNBERG 7223 PCFC X Comp -2678094918.05 mm 128.954 mm 12.589 mm 12.954 mm 434. VNDNBERG 7223 PCFC Y Comp -4525450701.86 mm -201.858 mm 21.909 mm 22.544 mm 435. VNDNBERG 7223 PCFC Z Comp 3597410118.46 mm -297.545 mm 17.394 mm 17.898 mm VNDNBERG 7223 U Comp -79.79 mm -79.789 mm 30.213 mm 25.792 mm VNDNBERG 7223 E Comp 213.78 mm 213.781 mm 3.258 mm 2.781 mm VNDNBERG 7223 N Comp -306.33 mm -306.333 mm 4.190 mm 3.577 mm 436. VNDNBERG CL 0 1984.10.22-16:03:32.616 1591.744 ns 0.367 ns 0.378 ns 437. VNDNBERG CL 1 1984.10.22-16:03:32.616 219.339 D-14 2.483 D-14 2.555 D-14 438. VNDNBERG CL 2 1984.10.22-16:03:32.616 2.128 D-14/day 2.022 D-14/day 2.080 D-14/day 464. VNDNBERG AT 0 1984.10.22-16:03:32.616 -43.373 ps 114.501 ps 117.819 ps VNDNBERG Atm 1984.10.23-04:34:04.800 Avg: -46.551 ps Rms: 20.451 ps Tot_Rms: 50.846 ps || Nat: 100 Dura: 79722.0 sec Tzd_avg: 7957.0 Tzd_rms: 48.4 Wzd_avg: 262.1 Wzd_rms: 47.5 ps Prs_avg: 101448. Pa Tem_avg: 17.8 C Stm_avg: 1.3 C Stm_rms: 1.8 K Spr_avg: 59. Spr_rms: 58. Pa 540. VNDNBERG NG 1984.10.22-16:02:32.616 -0.016 mm 0.422 mm 0.434 mm 541. VNDNBERG EG 1984.10.22-16:02:32.616 -0.006 mm 0.421 mm 0.434 mm 542. VNDNBERG NG 1984.10.23-00:02:32.616 -0.027 mm 0.377 mm 0.388 mm 543. VNDNBERG EG 1984.10.23-00:02:32.616 -0.032 mm 0.376 mm 0.387 mm 544. VNDNBERG NG 1984.10.23-08:02:32.616 -0.014 mm 0.377 mm 0.387 mm 545. VNDNBERG EG 1984.10.23-08:02:32.616 0.047 mm 0.376 mm 0.387 mm 546. VNDNBERG NG 1984.10.23-16:02:32.616 -0.008 mm 0.422 mm 0.434 mm 547. VNDNBERG EG 1984.10.23-16:02:32.616 0.011 mm 0.421 mm 0.433 mm Atmosphere Constraint Statistics 1. JPL_MV1 Input 50.00 ps/h RMS 14.23 ps/h NRMS 0.28 share 0.95 count 76 2. MAMMOTHL Input 50.00 ps/h RMS 23.76 ps/h NRMS 0.48 share 0.91 count 76 3. MOJAVE12 Input 50.00 ps/h RMS 23.48 ps/h NRMS 0.47 share 0.78 count 76 4. OVRO_130 Input 50.00 ps/h RMS 16.75 ps/h NRMS 0.34 share 0.85 count 76 5. VNDNBERG Input 50.00 ps/h RMS 18.34 ps/h NRMS 0.37 share 0.85 count 76 Overall RMS 19.68 ps/h NRMS 0.39 share 0.87 count 380 Gradient Constraint Statistics 1. JPL_MV1 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 2. MAMMOTHL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.02 share 0.54 count 8 3. MOJAVE12 Input 2.00 mm/d RMS 0.22 mm/d NRMS 0.11 share 0.53 count 8 4. OVRO_130 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 5. VNDNBERG Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.53 count 8 Overall RMS 0.13 mm/d NRMS 0.07 share 0.53 count 40 Clock Constraint Statistics 1. JPL_MV1 Input 5.00 D-14 RMS 3.74 D-14 NRMS 0.75 share 0.43 count 26 2. MAMMOTHL Input 5.00 D-14 RMS 4.94 D-14 NRMS 0.99 share 0.43 count 26 4. OVRO_130 Input 5.00 D-14 RMS 2.53 D-14 NRMS 0.51 share 0.25 count 26 5. VNDNBERG Input 5.00 D-14 RMS 3.57 D-14 NRMS 0.71 share 0.29 count 26 Overall RMS 3.79 D-14 NRMS 0.76 share 0.35 count 104 548. UT1-TAI 1, 1984.10.23-04:10:00.000 -2.1622 ms/d 465.81 micros/d 1153.73 micros/d 1187.17 micros/d EOP epoch (TDT) MJD: 45996.173984 NUT epoch (TDT) MJD: 45996.165132 549. Nutation DPSI wrt apriori model 1984.10.23-04:09:44.136 -33.796 mas 11624.0 microasec 11960.8 microasec Nutation Dx wrt apriori model 1984.10.23-04:09:44.136 -13.435 mas 4614.5 microasec 4748.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.23-04:09:44.136 -38.136 mas 11624.0 microasec 11960.8 microasec 550. Nutation DEPS wrt apriori model 1984.10.23-04:09:44.136 -2.827 mas 2817.7 microasec 2899.4 microasec Nutation Dy wrt apriori model 1984.10.23-04:09:44.136 -2.872 mas 2833.4 microasec 2915.5 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.23-04:09:44.136 -0.398 mas 2817.7 microasec 2899.4 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1368 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.23 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to MOJAVE12 7222 171686408.84 10.88 171686408.84 10.88 -374.11 9.67 -209.85 93.56 JPL_MV1 7263 to OVRO_130 7207 335941404.43 13.56 335941404.43 13.56 -280.55 8.20 -251.11 94.91 JPL_MV1 7263 to VNDNBERG 7223 228030967.84 8.69 228030967.84 8.69 -225.83 11.99 -114.92 96.56 MAMMOTHL 7259 to MOJAVE12 7222 315785207.42 6.67 315785207.42 6.67 137.72 4.35 149.43 45.37 MAMMOTHL 7259 to OVRO_130 7207 74255486.69 5.66 74255486.69 5.66 89.19 5.84 114.76 47.91 MAMMOTHL 7259 to VNDNBERG 7223 373995475.96 6.82 373995475.96 6.82 -415.16 5.28 261.40 49.25 MOJAVE12 7222 to OVRO_130 7207 245276448.68 5.21 245276448.68 5.21 41.16 3.79 -35.15 29.43 MOJAVE12 7222 to VNDNBERG 7223 351282456.40 4.58 351282456.40 4.58 -507.43 4.08 103.53 32.34 OVRO_130 7207 to VNDNBERG 7223 363980322.93 6.73 363980322.93 6.73 -521.96 4.12 147.67 35.33 NNT_POS: 2 stations participated in NNT_POS constraints: MOJAVE12 OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:52 Correlator type: Unknown Experiment code: pd842 Mark-3 db_name: $84OCT23X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841023_a Ver 2 pd842 Matrix Condition Number = 3.957983036881543E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- MOJAVE12: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms MOJAVE12 MET 12.2 4.5 912.3 1.2 45.9 3.3 OVRO_130 MET 11.2 4.9 881.8 1.8 18.7 0.2 Run 26091-1747 497 Observation Pairs Available Session started on: 2445997.334200 1984.10.23 20:01:14.880 UTC Nominal duration: 86088.960 sec 00 23:54:48.960 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 428 38.503 ps 0.93 0.9958 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 431 Number of potentially good observations with QC 5-9: 431 Number of used observations: 428 ( 99.30%) Number of suppressed observations: 3 ( 0.70%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 OVRO_130 428 431 38.503 0.93 19841023_a pd842 1984.10.24-07:58:39.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0202+149 J0204+1514 11 11 12 35.934 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0202+319 J0205+3212 10 11 12 82.302 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0229+131 J0231+1322 12 12 13 33.054 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0234+285 J0237+2848 11 11 13 20.834 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0235+164 J0238+1636 10 10 13 91.100 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0420-014 J0423-0120 13 13 16 23.174 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0422+004 J0424+0036 14 14 19 60.084 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0458-020 J0501-0159 11 11 16 38.479 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0528+134 J0530+1331 6 6 8 26.577 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0723-008 J0725-0054 13 13 14 112.673 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0742+103 J0745+1011 19 19 19 39.391 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0743-006 J0745-0044 12 12 16 41.136 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0748+126 J0750+1231 12 12 12 71.988 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 0754+100 J0757+0956 18 18 21 38.625 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 1633+38 J1635+3808 15 15 16 36.117 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 1637+574 J1638+5720 12 13 16 65.061 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 1642+690 J1642+6856 16 16 18 43.484 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 1749+701 J1748+7005 19 20 23 52.771 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 1803+784 J1800+7828 15 15 17 28.689 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 1823+568 J1824+5651 12 12 14 76.337 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 2007+777 J2005+7752 14 14 16 59.214 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 2121+053 J2123+0535 9 9 10 55.729 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 2134+00 J2136+0041 11 11 11 21.033 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 2144+092 J2147+0929 12 12 12 68.423 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 2145+067 J2148+0657 9 9 10 24.450 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 2216-038 J2218-0335 9 9 10 32.641 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 3C120 J0433+0521 13 13 19 39.801 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 3C345 J1642+3948 14 14 15 15.565 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: 3C371 J1806+6949 21 21 23 52.239 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: CTA102 J2232+1143 11 11 11 40.194 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: CTA26 J0339-0146 13 13 16 29.601 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: DA426 J1653+3945 12 12 16 92.979 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: NRAO512 J1640+3946 15 15 16 99.582 19841023_a pd842 1984.10.24-07:58:39.360 SRC_STAT: OJ287 J0854+2006 4 4 4 35.238 19841023_a pd842 1984.10.24-07:58:39.360 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.24-07:58:07 1. MOJAVE12 7222 NOAM X Comp -2356171113.50 mm -17.498 mm 6.058 mm 6.045 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755804.53 mm 27.473 mm 9.985 mm 9.964 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470572.95 mm -8.055 mm 8.955 mm 8.937 mm MOJAVE12 7222 U Comp -18.19 mm -18.192 mm 13.606 mm 12.695 mm MOJAVE12 7222 E Comp -28.03 mm -28.031 mm 3.806 mm 3.551 mm MOJAVE12 7222 N Comp 3.02 mm 3.023 mm 4.121 mm 3.845 mm 4. MOJAVE12 AT 0 1984.10.23-20:00:42.696 -27.432 ps 293.539 ps 292.922 ps MOJAVE12 Atm 1984.10.24-08:01:14.880 Avg: -32.561 ps Rms: 10.442 ps Tot_Rms: 34.194 ps || Nat: 497 Dura: 86088.0 sec Tzd_avg: 7045.2 Tzd_rms: 42.2 Wzd_avg: 136.7 Wzd_rms: 44.6 ps Prs_avg: 91236. Pa Tem_avg: 12.1 C Stm_avg: 0.3 C Stm_rms: 3.6 K Spr_avg: 274. Spr_rms: 91. Pa 77. MOJAVE12 NG 1984.10.23-19:59:42.696 0.027 mm 0.422 mm 0.421 mm 78. MOJAVE12 EG 1984.10.23-19:59:42.696 0.008 mm 0.422 mm 0.421 mm 79. MOJAVE12 NG 1984.10.24-03:59:42.696 0.024 mm 0.377 mm 0.376 mm 80. MOJAVE12 EG 1984.10.24-03:59:42.696 0.019 mm 0.377 mm 0.376 mm 81. MOJAVE12 NG 1984.10.24-11:59:42.696 -0.013 mm 0.377 mm 0.376 mm 82. MOJAVE12 EG 1984.10.24-11:59:42.696 0.006 mm 0.377 mm 0.376 mm 83. MOJAVE12 NG 1984.10.24-19:59:42.696 -0.007 mm 0.422 mm 0.421 mm 84. MOJAVE12 EG 1984.10.24-19:59:42.696 0.010 mm 0.422 mm 0.421 mm 85. OVRO_130 7207 NOAM X Comp -2409600869.50 mm 17.498 mm 6.058 mm 6.045 mm 86. OVRO_130 7207 NOAM Y Comp -4478349491.47 mm -27.473 mm 9.985 mm 9.964 mm 87. OVRO_130 7207 NOAM Z Comp 3838603196.05 mm 8.055 mm 8.955 mm 8.937 mm OVRO_130 7207 U Comp 17.53 mm 17.535 mm 13.620 mm 12.708 mm OVRO_130 7207 E Comp 28.43 mm 28.426 mm 3.812 mm 3.557 mm OVRO_130 7207 N Comp -3.21 mm -3.208 mm 4.069 mm 3.797 mm 88. OVRO_130 CL 0 1984.10.23-20:00:42.696 3534.758 ns 0.154 ns 0.153 ns 89. OVRO_130 CL 1 1984.10.23-20:00:42.696 -175.320 D-14 2.080 D-14 2.075 D-14 90. OVRO_130 CL 2 1984.10.23-20:00:42.696 0.253 D-14/day 1.810 D-14/day 1.807 D-14/day 115. OVRO_130 AT 0 1984.10.23-20:00:42.696 -61.276 ps 282.743 ps 282.149 ps OVRO_130 Atm 1984.10.24-08:01:14.880 Avg: -45.424 ps Rms: 15.536 ps Tot_Rms: 48.007 ps || Nat: 497 Dura: 86088.0 sec Tzd_avg: 6884.3 Tzd_rms: 36.2 Wzd_avg: 188.5 Wzd_rms: 53.3 ps Prs_avg: 88184. Pa Tem_avg: 11.2 C Stm_avg: 0.2 C Stm_rms: 3.7 K Spr_avg: -21. Spr_rms: 72. Pa 188. OVRO_130 NG 1984.10.23-19:59:42.696 -0.027 mm 0.422 mm 0.421 mm 189. OVRO_130 EG 1984.10.23-19:59:42.696 -0.007 mm 0.422 mm 0.421 mm 190. OVRO_130 NG 1984.10.24-03:59:42.696 -0.023 mm 0.377 mm 0.376 mm 191. OVRO_130 EG 1984.10.24-03:59:42.696 -0.018 mm 0.377 mm 0.376 mm 192. OVRO_130 NG 1984.10.24-11:59:42.696 0.013 mm 0.377 mm 0.376 mm 193. OVRO_130 EG 1984.10.24-11:59:42.696 -0.004 mm 0.377 mm 0.376 mm 194. OVRO_130 NG 1984.10.24-19:59:42.696 0.007 mm 0.422 mm 0.421 mm 195. OVRO_130 EG 1984.10.24-19:59:42.696 -0.010 mm 0.422 mm 0.421 mm Atmosphere Constraint Statistics 1. MOJAVE12 Input 50.00 ps/h RMS 21.96 ps/h NRMS 0.44 share 0.81 count 73 2. OVRO_130 Input 50.00 ps/h RMS 22.08 ps/h NRMS 0.44 share 0.80 count 73 Overall RMS 22.02 ps/h NRMS 0.44 share 0.81 count 146 Gradient Constraint Statistics 1. MOJAVE12 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 2. OVRO_130 Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.05 mm/d NRMS 0.03 share 0.54 count 16 Clock Constraint Statistics 2. OVRO_130 Input 5.00 D-14 RMS 1.76 D-14 NRMS 0.35 share 0.18 count 25 Overall RMS 1.76 D-14 NRMS 0.35 share 0.18 count 25 EOP epoch (TDT) MJD: 45997.332317 General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0243 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.24 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to OVRO_130 7207 245276445.16 8.87 245276445.16 8.87 45.40 6.80 -35.70 27.23 NNT_POS: 4 stations participated in NNT_POS constraints: JPL_MV1 MOJAVE12 OVRO_130 PBLOSSOM NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:55 Correlator type: Unknown Experiment code: cdp84p Mark-3 db_name: $84OCT25X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841025_a Ver 2 cdp84p Matrix Condition Number = 3.983629012765372E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- JPL_MV1 : GION | | MOJAVE12: GION | | OVRO_130: GION | | PBLOSSOM: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for JPL_MV1 is 5.0 Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PBLOSSOM is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms JPL_MV1 MET 18.9 3.2 963.2 1.1 17.4 1.3 MOJAVE12 MET 9.4 5.8 911.9 0.9 50.2 0.3 OVRO_130 MET 9.7 5.9 880.1 1.2 23.1 8.3 PBLOSSOM MET 13.0 2.8 912.5 0.7 22.0 0.3 VNDNBERG MET 19.7 2.8 1013.3 0.7 11.8 15.0 Run 26091-1747 738 Observation Pairs Available Session started on: 2445999.152700 1984.10.25 15:39:53.280 UTC Nominal duration: 88015.680 sec 01 00:26:55.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 241 26.208 ps 0.75 0.9830 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 261 Number of potentially good observations with QC 5-9: 261 Number of used observations: 241 ( 92.34%) Number of suppressed observations: 20 ( 7.66%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps JPL_MV1 MOJAVE12 35 44 38.049 0.70 19841025_a cdp84p 1984.10.26-03:53:21.1 BAS_STAT JPL_MV1 OVRO_130 27 34 97.032 0.88 19841025_a cdp84p 1984.10.26-03:53:21.1 BAS_STAT MOJAVE12 OVRO_130 52 53 13.314 0.60 19841025_a cdp84p 1984.10.26-03:53:21.1 BAS_STAT MOJAVE12 PBLOSSOM 86 88 32.893 0.81 19841025_a cdp84p 1984.10.26-03:53:21.1 BAS_STAT OVRO_130 PBLOSSOM 41 42 28.756 0.77 19841025_a cdp84p 1984.10.26-03:53:21.1 BAS_STAT Not included: JPL_MV1 PBLOSSOM 0/ 0 deselected baseline 19841025_a cdp84p JPL_MV1 VNDNBERG 0/ 0 deselected baseline 19841025_a cdp84p MOJAVE12 VNDNBERG 0/ 0 deselected baseline 19841025_a cdp84p OVRO_130 VNDNBERG 0/ 0 deselected baseline 19841025_a cdp84p PBLOSSOM VNDNBERG 0/ 0 deselected baseline 19841025_a cdp84p Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 16 17 49 36.869 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 0528+134 J0530+1331 9 11 40 33.895 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 0552+398 J0555+3948 17 18 62 23.717 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 1921-293 J1924-2914 9 10 24 27.391 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 2134+00 J2136+0041 15 17 44 42.435 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 3C273B J1229+0203 22 23 67 15.503 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 3C345 J1642+3948 33 36 86 23.846 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 3C454.3 J2253+1608 22 25 57 29.186 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 3C84 J0319+4130 23 25 69 12.863 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: 4C39.25 J0927+3902 18 22 63 27.197 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: NRAO150 J0359+5057 25 25 81 31.592 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: NRAO530 J1733-1304 19 19 51 29.168 19841025_a cdp84p 1984.10.26-03:53:21.120 SRC_STAT: OJ287 J0854+2006 13 13 45 42.067 19841025_a cdp84p 1984.10.26-03:53:21.120 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.26-03:52:48 1. JPL_MV1 7263 PCFC X Comp -2493306122.86 mm 174.137 mm 34.804 mm 34.507 mm 2. JPL_MV1 7263 PCFC Y Comp -4655197434.85 mm -50.853 mm 63.424 mm 62.883 mm 3. JPL_MV1 7263 PCFC Z Comp 3565519298.38 mm -164.625 mm 49.360 mm 48.939 mm JPL_MV1 7263 U Comp -123.47 mm -123.466 mm 86.585 mm 65.195 mm JPL_MV1 7263 E Comp 177.52 mm 177.515 mm 8.242 mm 6.206 mm JPL_MV1 7263 N Comp -115.13 mm -115.131 mm 10.266 mm 7.730 mm 4. JPL_MV1 CL 0 1984.10.25-15:39:21.096 -21237.866 ns 0.615 ns 0.610 ns 5. JPL_MV1 CL 1 1984.10.25-15:39:21.096 -126.255 D-14 2.683 D-14 2.661 D-14 6. JPL_MV1 CL 2 1984.10.25-15:39:21.096 -6.221 D-14/day 2.464 D-14/day 2.443 D-14/day 32. JPL_MV1 AT 0 1984.10.25-15:39:21.096 380.834 ps 266.060 ps 263.792 ps JPL_MV1 Atm 1984.10.26-04:09:53.280 Avg: 448.033 ps Rms: 42.707 ps Tot_Rms: 450.063 ps || Nat: 103 Dura: 88022.0 sec Tzd_avg: 7535.3 Tzd_rms: 38.3 Wzd_avg: 235.8 Wzd_rms: 36.4 ps Prs_avg: 96318. Pa Tem_avg: 18.9 C Stm_avg: 0.4 C Stm_rms: 2.5 K Spr_avg: 161. Spr_rms: 46. Pa 108. JPL_MV1 NG 1984.10.25-15:38:21.096 0.009 mm 0.422 mm 0.419 mm 109. JPL_MV1 EG 1984.10.25-15:38:21.096 0.008 mm 0.422 mm 0.419 mm 110. JPL_MV1 NG 1984.10.25-23:38:21.096 -0.001 mm 0.377 mm 0.374 mm 111. JPL_MV1 EG 1984.10.25-23:38:21.096 0.007 mm 0.377 mm 0.374 mm 112. JPL_MV1 NG 1984.10.26-07:38:21.096 -0.012 mm 0.377 mm 0.374 mm 113. JPL_MV1 EG 1984.10.26-07:38:21.096 -0.003 mm 0.377 mm 0.374 mm 114. JPL_MV1 NG 1984.10.26-15:38:21.096 -0.003 mm 0.422 mm 0.419 mm 115. JPL_MV1 EG 1984.10.26-15:38:21.096 0.004 mm 0.422 mm 0.419 mm 116. MOJAVE12 7222 NOAM X Comp -2356171168.22 mm -72.224 mm 13.419 mm 13.304 mm 117. MOJAVE12 7222 NOAM Y Comp -4646755670.16 mm 161.838 mm 24.259 mm 24.052 mm 118. MOJAVE12 7222 NOAM Z Comp 3668470605.99 mm 24.992 mm 18.905 mm 18.744 mm MOJAVE12 7222 U Comp -76.66 mm -76.658 mm 33.110 mm 24.931 mm MOJAVE12 7222 E Comp -137.61 mm -137.607 mm 3.703 mm 2.788 mm MOJAVE12 7222 N Comp 84.97 mm 84.974 mm 3.993 mm 3.007 mm 119. MOJAVE12 AT 0 1984.10.25-15:39:21.096 372.576 ps 195.227 ps 193.563 ps MOJAVE12 Atm 1984.10.26-04:09:53.280 Avg: 336.871 ps Rms: 42.526 ps Tot_Rms: 339.544 ps || Nat: 107 Dura: 88022.0 sec Tzd_avg: 7106.2 Tzd_rms: 36.1 Wzd_avg: 201.6 Wzd_rms: 38.9 ps Prs_avg: 91194. Pa Tem_avg: 9.5 C Stm_avg: -4.7 C Stm_rms: 5.7 K Spr_avg: 256. Spr_rms: 29. Pa 195. MOJAVE12 NG 1984.10.25-15:38:21.096 0.038 mm 0.421 mm 0.418 mm 196. MOJAVE12 EG 1984.10.25-15:38:21.096 -0.055 mm 0.421 mm 0.417 mm 197. MOJAVE12 NG 1984.10.25-23:38:21.096 -0.006 mm 0.376 mm 0.373 mm 198. MOJAVE12 EG 1984.10.25-23:38:21.096 -0.079 mm 0.375 mm 0.372 mm 199. MOJAVE12 NG 1984.10.26-07:38:21.096 -0.008 mm 0.376 mm 0.373 mm 200. MOJAVE12 EG 1984.10.26-07:38:21.096 0.055 mm 0.376 mm 0.372 mm 201. MOJAVE12 NG 1984.10.26-15:38:21.096 -0.033 mm 0.421 mm 0.417 mm 202. MOJAVE12 EG 1984.10.26-15:38:21.096 0.112 mm 0.419 mm 0.416 mm 203. OVRO_130 7207 NOAM X Comp -2409600937.80 mm -50.796 mm 15.415 mm 15.283 mm 204. OVRO_130 7207 NOAM Y Comp -4478349378.00 mm 86.001 mm 27.584 mm 27.348 mm 205. OVRO_130 7207 NOAM Z Comp 3838603243.49 mm 55.491 mm 21.576 mm 21.392 mm OVRO_130 7207 U Comp -7.56 mm -7.562 mm 37.418 mm 28.174 mm OVRO_130 7207 E Comp -85.48 mm -85.481 mm 4.017 mm 3.024 mm OVRO_130 7207 N Comp 75.44 mm 75.441 mm 6.912 mm 5.205 mm 206. OVRO_130 CL 0 1984.10.25-15:39:21.096 3568.214 ns 0.351 ns 0.348 ns 207. OVRO_130 CL 1 1984.10.25-15:39:21.096 -175.038 D-14 2.419 D-14 2.398 D-14 208. OVRO_130 CL 2 1984.10.25-15:39:21.096 -0.114 D-14/day 1.957 D-14/day 1.940 D-14/day 234. OVRO_130 AT 0 1984.10.25-15:39:21.096 280.480 ps 206.648 ps 204.886 ps OVRO_130 Atm 1984.10.26-04:09:53.280 Avg: 302.096 ps Rms: 29.179 ps Tot_Rms: 303.502 ps || Nat: 55 Dura: 80610.0 sec Tzd_avg: 6876.4 Tzd_rms: 38.3 Wzd_avg: 205.2 Wzd_rms: 49.5 ps Prs_avg: 88010. Pa Tem_avg: 9.6 C Stm_avg: -3.6 C Stm_rms: 5.4 K Spr_avg: 118. Spr_rms: 119. Pa 310. OVRO_130 NG 1984.10.25-15:38:21.096 -0.014 mm 0.422 mm 0.418 mm 311. OVRO_130 EG 1984.10.25-15:38:21.096 0.024 mm 0.422 mm 0.418 mm 312. OVRO_130 NG 1984.10.25-23:38:21.096 0.004 mm 0.377 mm 0.373 mm 313. OVRO_130 EG 1984.10.25-23:38:21.096 0.016 mm 0.377 mm 0.373 mm 314. OVRO_130 NG 1984.10.26-07:38:21.096 0.006 mm 0.377 mm 0.373 mm 315. OVRO_130 EG 1984.10.26-07:38:21.096 -0.028 mm 0.377 mm 0.373 mm 316. OVRO_130 NG 1984.10.26-15:38:21.096 0.024 mm 0.422 mm 0.418 mm 317. OVRO_130 EG 1984.10.26-15:38:21.096 -0.050 mm 0.422 mm 0.418 mm 318. PBLOSSOM 7254 NOAM X Comp -2464071094.12 mm -51.116 mm 15.562 mm 15.429 mm 319. PBLOSSOM 7254 NOAM Y Comp -4649425506.99 mm -196.986 mm 28.869 mm 28.623 mm 320. PBLOSSOM 7254 NOAM Z Comp 3593905717.14 mm 84.142 mm 22.231 mm 22.041 mm PBLOSSOM 7254 U Comp 210.82 mm 210.818 mm 39.146 mm 29.475 mm PBLOSSOM 7254 E Comp 47.08 mm 47.078 mm 3.593 mm 2.706 mm PBLOSSOM 7254 N Comp -42.84 mm -42.844 mm 4.952 mm 3.729 mm 321. PBLOSSOM CL 0 1984.10.25-15:39:21.096 3450.304 ns 0.166 ns 0.164 ns 322. PBLOSSOM CL 1 1984.10.25-15:39:21.096 6.429 D-14 2.058 D-14 2.041 D-14 323. PBLOSSOM CL 2 1984.10.25-15:39:21.096 2.257 D-14/day 1.731 D-14/day 1.716 D-14/day 349. PBLOSSOM AT 0 1984.10.25-15:39:21.096 337.402 ps 193.893 ps 192.240 ps PBLOSSOM Atm 1984.10.26-04:09:53.280 Avg: 289.884 ps Rms: 19.456 ps Tot_Rms: 290.536 ps || Nat: 103 Dura: 88022.0 sec Tzd_avg: 7122.4 Tzd_rms: 33.5 Wzd_avg: 202.3 Wzd_rms: 34.5 ps Prs_avg: 91246. Pa Tem_avg: 12.9 C Stm_avg: -1.0 C Stm_rms: 2.1 K Spr_avg: 108. Spr_rms: 41. Pa 425. PBLOSSOM NG 1984.10.25-15:38:21.096 -0.034 mm 0.422 mm 0.418 mm 426. PBLOSSOM EG 1984.10.25-15:38:21.096 0.024 mm 0.421 mm 0.418 mm 427. PBLOSSOM NG 1984.10.25-23:38:21.096 0.000 mm 0.377 mm 0.373 mm 428. PBLOSSOM EG 1984.10.25-23:38:21.096 0.057 mm 0.376 mm 0.373 mm 429. PBLOSSOM NG 1984.10.26-07:38:21.096 0.009 mm 0.377 mm 0.374 mm 430. PBLOSSOM EG 1984.10.26-07:38:21.096 -0.021 mm 0.376 mm 0.373 mm 431. PBLOSSOM NG 1984.10.26-15:38:21.096 0.007 mm 0.422 mm 0.418 mm 432. PBLOSSOM EG 1984.10.26-15:38:21.096 -0.063 mm 0.421 mm 0.418 mm Atmosphere Constraint Statistics 1. JPL_MV1 Input 50.00 ps/h RMS 8.50 ps/h NRMS 0.17 share 0.97 count 76 2. MOJAVE12 Input 50.00 ps/h RMS 16.89 ps/h NRMS 0.34 share 0.83 count 76 3. OVRO_130 Input 50.00 ps/h RMS 14.26 ps/h NRMS 0.29 share 0.89 count 76 4. PBLOSSOM Input 50.00 ps/h RMS 16.05 ps/h NRMS 0.32 share 0.88 count 76 Overall RMS 14.31 ps/h NRMS 0.29 share 0.89 count 304 Gradient Constraint Statistics 1. JPL_MV1 Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 2. MOJAVE12 Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.10 share 0.53 count 8 3. OVRO_130 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.54 count 8 4. PBLOSSOM Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 Overall RMS 0.12 mm/d NRMS 0.06 share 0.54 count 32 Clock Constraint Statistics 1. JPL_MV1 Input 5.00 D-14 RMS 4.06 D-14 NRMS 0.81 share 0.56 count 26 3. OVRO_130 Input 5.00 D-14 RMS 2.31 D-14 NRMS 0.46 share 0.28 count 26 4. PBLOSSOM Input 5.00 D-14 RMS 3.80 D-14 NRMS 0.76 share 0.23 count 26 Overall RMS 3.48 D-14 NRMS 0.70 share 0.36 count 78 433. UT1-TAI 1, 1984.10.26-03:53:00.000 -3.1392 ms/d -1088.77 micros/d 1702.15 micros/d 1687.64 micros/d EOP epoch (TDT) MJD: 45999.162178 NUT epoch (TDT) MJD: 45999.162541 434. Nutation DPSI wrt apriori model 1984.10.26-03:52:48.936 -22.260 mas 16482.1 microasec 16341.6 microasec Nutation Dx wrt apriori model 1984.10.26-03:52:48.936 -8.815 mas 6537.8 microasec 6482.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.26-03:52:48.936 -26.246 mas 16482.1 microasec 16341.6 microasec 435. Nutation DEPS wrt apriori model 1984.10.26-03:52:48.936 -11.751 mas 5571.6 microasec 5524.1 microasec Nutation Dy wrt apriori model 1984.10.26-03:52:48.936 -11.781 mas 5593.9 microasec 5546.2 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.26-03:52:48.936 -9.817 mas 5571.6 microasec 5524.1 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.1270 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) JPL_MV1 7263 to MOJAVE12 7222 171686431.95 11.27 171686431.95 11.27 -366.71 13.56 -46.18 115.56 JPL_MV1 7263 to OVRO_130 7207 335941414.98 15.84 335941414.98 15.84 -257.28 11.41 -116.55 117.54 MOJAVE12 7222 to OVRO_130 7207 245276443.75 6.64 245276443.75 6.64 41.85 4.90 -64.21 35.79 MOJAVE12 7222 to PBLOSSOM 7254 131184773.07 5.23 131184773.07 5.23 -219.30 3.46 -287.57 35.80 OVRO_130 7207 to PBLOSSOM 7254 303497807.64 8.87 303497807.64 8.87 -119.12 4.67 -219.29 45.16 NNT_POS: 5 stations participated in NNT_POS constraints: HRAS_085 ONSALA60 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1747 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:47:58 Correlator type: Unknown Experiment code: ia211 Mark-3 db_name: $84OCT25XB Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841025_b Ver 2 ia211 Matrix Condition Number = 6.111588511849964E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | ONSALA60: GION | | ONSALA85: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for ONSALA60 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 4.9 1.6 840.9 0.8 102.6 7.6 ONSALA60 MET 11.4 0.3 1000.4 1.4 95.2 2.3 ONSALA85 MET -999.0 0.0 -999.0 0.0 0.0 0.0 RICHMOND MET 22.3 2.3 1014.8 1.3 54.9 10.4 WESTFORD MET 10.5 2.1 1013.1 1.5 18.1 28.3 WETTZELL MET 11.2 1.4 944.7 1.0 70.8 11.6 Run 26091-1747 858 Observation Pairs Available Session started on: 2445999.249900 1984.10.25 17:59:51.360 UTC Nominal duration: 86918.400 sec 01 00:08:38.400 sec Solution type: Group delay only Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 496 40.017 ps 0.85 1.0038 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__PRE98 Used quality_code_limit: 5 Number of potentially recoverable observations: 515 Number of potentially good observations with QC 5-9: 515 Number of used observations: 496 ( 96.31%) Number of suppressed observations: 19 ( 3.69%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 ONSALA60 27 30 86.587 0.92 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT HRAS_085 RICHMOND 60 63 24.603 0.74 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT HRAS_085 WESTFORD 72 74 51.757 0.86 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT HRAS_085 WETTZELL 37 37 52.126 0.82 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT ONSALA60-ONSALA85 No Data ONSALA60 RICHMOND 23 27 70.204 0.91 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT ONSALA60 WESTFORD 48 49 71.776 0.91 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT ONSALA60 WETTZELL 55 57 17.596 0.70 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT RICHMOND WESTFORD 68 70 45.297 0.85 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT RICHMOND WETTZELL 36 36 85.572 0.92 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT WESTFORD WETTZELL 70 72 80.025 0.90 19841025_b ia211 1984.10.26-06:04:10.5 BAS_STAT Not included: HRAS_085 ONSALA85 0/ 0 deselected baseline 19841025_b ia211 ONSALA85 RICHMOND 0/ 0 deselected baseline 19841025_b ia211 ONSALA85 WESTFORD 0/ 0 deselected baseline 19841025_b ia211 ONSALA85 WETTZELL 0/ 0 deselected baseline 19841025_b ia211 Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 24 24 29 42.690 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 0212+735 J0217+7349 48 48 106 46.245 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 0229+131 J0231+1322 26 28 38 33.451 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 0528+134 J0530+1331 23 23 34 44.361 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 0552+398 J0555+3948 40 40 75 37.240 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 1803+784 J1800+7828 53 54 95 52.537 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 2134+00 J2136+0041 25 27 36 25.856 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 3C273B J1229+0203 23 26 33 30.654 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 3C345 J1642+3948 49 54 91 28.006 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 3C454.3 J2253+1608 43 43 60 40.291 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: 4C39.25 J0927+3902 35 35 66 36.252 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: OJ287 J0854+2006 45 47 74 56.579 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: OQ208 J1407+2827 31 34 50 65.027 19841025_b ia211 1984.10.26-06:04:10.560 SRC_STAT: VR422201 J2202+4216 31 32 71 56.383 19841025_b ia211 1984.10.26-06:04:10.560 ------------------------------------------------ Parameter adjustments for run 26091-1747 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.26-06:03:38 1. HRAS_085 7216 NOAM X Comp -1324211075.07 mm -58.072 mm 9.749 mm 9.768 mm 2. HRAS_085 7216 NOAM Y Comp -5332023066.64 mm 15.363 mm 25.429 mm 25.478 mm 3. HRAS_085 7216 NOAM Z Comp 3232118485.45 mm 178.454 mm 18.290 mm 18.326 mm HRAS_085 7216 U Comp 90.15 mm 90.153 mm 30.351 mm 25.694 mm HRAS_085 7216 E Comp -60.06 mm -60.062 mm 7.812 mm 6.614 mm HRAS_085 7216 N Comp 154.01 mm 154.010 mm 9.697 mm 8.209 mm 4. HRAS_085 CL 0 1984.10.25-17:59:19.176 28284.432 ns 0.206 ns 0.207 ns 5. HRAS_085 CL 1 1984.10.25-17:59:19.176 102.889 D-14 2.074 D-14 2.078 D-14 6. HRAS_085 CL 2 1984.10.25-17:59:19.176 2.588 D-14/day 1.782 D-14/day 1.785 D-14/day 32. HRAS_085 AT 0 1984.10.25-17:59:19.176 -115.875 ps 83.673 ps 83.834 ps HRAS_085 Atm 1984.10.26-06:29:51.360 Avg: -153.717 ps Rms: 54.403 ps Tot_Rms: 163.061 ps || Nat: 91 Dura: 86922.0 sec Tzd_avg: 6808.2 Tzd_rms: 36.9 Wzd_avg: 429.2 Wzd_rms: 39.5 ps Prs_avg: 84081. Pa Tem_avg: 5.2 C Stm_avg: -4.7 C Stm_rms: 0.6 K Spr_avg: 8. Spr_rms: 75. Pa 108. HRAS_085 NG 1984.10.25-17:58:19.176 0.001 mm 0.422 mm 0.423 mm 109. HRAS_085 EG 1984.10.25-17:58:19.176 -0.028 mm 0.421 mm 0.422 mm 110. HRAS_085 NG 1984.10.26-01:58:19.176 -0.016 mm 0.377 mm 0.377 mm 111. HRAS_085 EG 1984.10.26-01:58:19.176 -0.042 mm 0.376 mm 0.377 mm 112. HRAS_085 NG 1984.10.26-09:58:19.176 0.025 mm 0.376 mm 0.377 mm 113. HRAS_085 EG 1984.10.26-09:58:19.176 0.039 mm 0.376 mm 0.377 mm 114. HRAS_085 NG 1984.10.26-17:58:19.176 0.022 mm 0.422 mm 0.423 mm 115. HRAS_085 EG 1984.10.26-17:58:19.176 0.046 mm 0.422 mm 0.422 mm 116. ONSALA60 7213 EURA X Comp 3370606003.78 mm 14.778 mm 13.980 mm 14.007 mm 117. ONSALA60 7213 EURA Y Comp 711917423.80 mm -105.205 mm 10.133 mm 10.152 mm 118. ONSALA60 7213 EURA Z Comp 5349830658.95 mm -107.047 mm 20.412 mm 20.451 mm ONSALA60 7213 U Comp -94.10 mm -94.101 mm 23.696 mm 20.060 mm ONSALA60 7213 E Comp -105.99 mm -105.988 mm 10.638 mm 9.005 mm ONSALA60 7213 N Comp -51.55 mm -51.546 mm 6.332 mm 5.360 mm 119. ONSALA60 CL 0 1984.10.25-17:59:19.176 525.505 ns 0.175 ns 0.175 ns 120. ONSALA60 CL 1 1984.10.25-17:59:19.176 19.899 D-14 2.232 D-14 2.237 D-14 121. ONSALA60 CL 2 1984.10.25-17:59:19.176 3.050 D-14/day 2.188 D-14/day 2.192 D-14/day 147. ONSALA60 AT 0 1984.10.25-17:59:19.176 19.602 ps 52.316 ps 52.416 ps ONSALA60 Atm 1984.10.26-06:29:51.360 Avg: -3.743 ps Rms: 34.706 ps Tot_Rms: 34.907 ps || Nat: 83 Dura: 80592.0 sec Tzd_avg: 7932.9 Tzd_rms: 26.2 Wzd_avg: 377.6 Wzd_rms: 33.2 ps Prs_avg: 100044. Pa Tem_avg: 11.5 C Stm_avg: -0.3 C Stm_rms: 0.6 K Spr_avg: 237. Spr_rms: 24. Pa 223. ONSALA60 NG 1984.10.25-17:58:19.176 -0.005 mm 0.421 mm 0.422 mm 224. ONSALA60 EG 1984.10.25-17:58:19.176 -0.028 mm 0.422 mm 0.422 mm 225. ONSALA60 NG 1984.10.26-01:58:19.176 0.001 mm 0.376 mm 0.377 mm 226. ONSALA60 EG 1984.10.26-01:58:19.176 0.006 mm 0.377 mm 0.377 mm 227. ONSALA60 NG 1984.10.26-09:58:19.176 0.024 mm 0.375 mm 0.376 mm 228. ONSALA60 EG 1984.10.26-09:58:19.176 0.020 mm 0.376 mm 0.377 mm 229. ONSALA60 NG 1984.10.26-17:58:19.176 -0.006 mm 0.422 mm 0.423 mm 230. ONSALA60 EG 1984.10.26-17:58:19.176 0.008 mm 0.422 mm 0.423 mm 231. RICHMOND 7219 NOAM X Comp 961257969.80 mm -49.196 mm 8.122 mm 8.138 mm 232. RICHMOND 7219 NOAM Y Comp -5674089970.07 mm 79.928 mm 21.212 mm 21.253 mm 233. RICHMOND 7219 NOAM Z Comp 2740533852.56 mm 54.564 mm 15.050 mm 15.079 mm RICHMOND 7219 U Comp -54.88 mm -54.883 mm 24.570 mm 20.800 mm RICHMOND 7219 E Comp -35.15 mm -35.154 mm 7.732 mm 6.546 mm RICHMOND 7219 N Comp 86.82 mm 86.822 mm 8.886 mm 7.523 mm 234. RICHMOND CL 0 1984.10.25-17:59:19.176 4246.197 ns 0.162 ns 0.162 ns 235. RICHMOND CL 1 1984.10.25-17:59:19.176 -76.287 D-14 2.168 D-14 2.172 D-14 236. RICHMOND CL 2 1984.10.25-17:59:19.176 5.220 D-14/day 2.048 D-14/day 2.052 D-14/day 262. RICHMOND AT 0 1984.10.25-17:59:19.176 -34.685 ps 65.510 ps 65.636 ps RICHMOND Atm 1984.10.26-06:29:51.360 Avg: -118.464 ps Rms: 62.236 ps Tot_Rms: 133.817 ps || Nat: 84 Dura: 78660.0 sec Tzd_avg: 8650.0 Tzd_rms: 181.3 Wzd_avg: 971.2 Wzd_rms: 195.6 ps Prs_avg: 101483. Pa Tem_avg: 22.3 C Stm_avg: -3.5 C Stm_rms: 2.0 K Spr_avg: 54. Spr_rms: 82. Pa 338. RICHMOND NG 1984.10.25-17:58:19.176 0.028 mm 0.422 mm 0.423 mm 339. RICHMOND EG 1984.10.25-17:58:19.176 0.027 mm 0.421 mm 0.422 mm 340. RICHMOND NG 1984.10.26-01:58:19.176 0.017 mm 0.377 mm 0.377 mm 341. RICHMOND EG 1984.10.26-01:58:19.176 0.031 mm 0.376 mm 0.377 mm 342. RICHMOND NG 1984.10.26-09:58:19.176 -0.022 mm 0.377 mm 0.377 mm 343. RICHMOND EG 1984.10.26-09:58:19.176 -0.013 mm 0.376 mm 0.377 mm 344. RICHMOND NG 1984.10.26-17:58:19.176 -0.039 mm 0.422 mm 0.423 mm 345. RICHMOND EG 1984.10.26-17:58:19.176 -0.019 mm 0.421 mm 0.422 mm 346. WESTFORD 7209 NOAM X Comp 1492206574.23 mm 31.228 mm 8.303 mm 8.319 mm 347. WESTFORD 7209 NOAM Y Comp -4458130368.88 mm 153.120 mm 12.501 mm 12.525 mm 348. WESTFORD 7209 NOAM Z Comp 4296015511.72 mm -35.281 mm 14.585 mm 14.613 mm WESTFORD 7209 U Comp -123.45 mm -123.452 mm 18.532 mm 15.689 mm WESTFORD 7209 E Comp 78.21 mm 78.214 mm 7.659 mm 6.484 mm WESTFORD 7209 N Comp 65.63 mm 65.632 mm 5.985 mm 5.067 mm 349. WESTFORD AT 0 1984.10.25-17:59:19.176 4.362 ps 35.418 ps 35.486 ps WESTFORD Atm 1984.10.26-06:29:51.360 Avg: 36.941 ps Rms: 61.166 ps Tot_Rms: 71.456 ps || Nat: 135 Dura: 86922.0 sec Tzd_avg: 8091.8 Tzd_rms: 108.8 Wzd_avg: 432.6 Wzd_rms: 128.9 ps Prs_avg: 101289. Pa Tem_avg: 10.3 C Stm_avg: -0.1 C Stm_rms: 0.4 K Spr_avg: 228. Spr_rms: 59. Pa 425. WESTFORD NG 1984.10.25-17:58:19.176 -0.048 mm 0.421 mm 0.422 mm 426. WESTFORD EG 1984.10.25-17:58:19.176 0.003 mm 0.420 mm 0.421 mm 427. WESTFORD NG 1984.10.26-01:58:19.176 -0.009 mm 0.376 mm 0.377 mm 428. WESTFORD EG 1984.10.26-01:58:19.176 0.047 mm 0.375 mm 0.376 mm 429. WESTFORD NG 1984.10.26-09:58:19.176 0.005 mm 0.377 mm 0.377 mm 430. WESTFORD EG 1984.10.26-09:58:19.176 0.006 mm 0.376 mm 0.376 mm 431. WESTFORD NG 1984.10.26-17:58:19.176 0.060 mm 0.422 mm 0.423 mm 432. WESTFORD EG 1984.10.26-17:58:19.176 -0.028 mm 0.421 mm 0.422 mm 433. WETTZELL 7224 EURA X Comp 4075539902.26 mm 61.261 mm 12.983 mm 13.008 mm 434. WETTZELL 7224 EURA Y Comp 931735170.79 mm -143.207 mm 10.362 mm 10.382 mm 435. WETTZELL 7224 EURA Z Comp 4801629302.31 mm -90.691 mm 16.787 mm 16.819 mm WETTZELL 7224 U Comp -50.41 mm -50.408 mm 19.933 mm 16.875 mm WETTZELL 7224 E Comp -153.26 mm -153.258 mm 10.530 mm 8.914 mm WETTZELL 7224 N Comp -80.36 mm -80.355 mm 7.037 mm 5.957 mm 436. WETTZELL CL 0 1984.10.25-17:59:19.176 3886.054 ns 0.160 ns 0.161 ns 437. WETTZELL CL 1 1984.10.25-17:59:19.176 -173.572 D-14 2.105 D-14 2.109 D-14 438. WETTZELL CL 2 1984.10.25-17:59:19.176 2.104 D-14/day 1.855 D-14/day 1.858 D-14/day 464. WETTZELL AT 0 1984.10.25-17:59:19.176 -24.397 ps 49.819 ps 49.915 ps WETTZELL Atm 1984.10.26-06:29:51.360 Avg: -38.823 ps Rms: 13.609 ps Tot_Rms: 41.140 ps || Nat: 85 Dura: 86240.0 sec Tzd_avg: 7553.6 Tzd_rms: 30.8 Wzd_avg: 433.6 Wzd_rms: 23.8 ps Prs_avg: 94486. Pa Tem_avg: 11.2 C Stm_avg: 0.3 C Stm_rms: 1.6 K Spr_avg: 484. Spr_rms: 22. Pa 540. WETTZELL NG 1984.10.25-17:58:19.176 0.024 mm 0.421 mm 0.422 mm 541. WETTZELL EG 1984.10.25-17:58:19.176 0.027 mm 0.422 mm 0.423 mm 542. WETTZELL NG 1984.10.26-01:58:19.176 0.015 mm 0.376 mm 0.377 mm 543. WETTZELL EG 1984.10.26-01:58:19.176 -0.003 mm 0.377 mm 0.377 mm 544. WETTZELL NG 1984.10.26-09:58:19.176 -0.010 mm 0.376 mm 0.376 mm 545. WETTZELL EG 1984.10.26-09:58:19.176 -0.001 mm 0.376 mm 0.377 mm 546. WETTZELL NG 1984.10.26-17:58:19.176 -0.004 mm 0.422 mm 0.423 mm 547. WETTZELL EG 1984.10.26-17:58:19.176 -0.012 mm 0.422 mm 0.423 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 13.55 ps/h NRMS 0.27 share 0.90 count 76 2. ONSALA60 Input 50.00 ps/h RMS 15.92 ps/h NRMS 0.32 share 0.87 count 76 4. RICHMOND Input 50.00 ps/h RMS 16.32 ps/h NRMS 0.33 share 0.89 count 76 5. WESTFORD Input 50.00 ps/h RMS 24.14 ps/h NRMS 0.48 share 0.81 count 76 6. WETTZELL Input 50.00 ps/h RMS 11.93 ps/h NRMS 0.24 share 0.86 count 76 Overall RMS 16.90 ps/h NRMS 0.34 share 0.87 count 380 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.11 mm/d NRMS 0.06 share 0.54 count 8 2. ONSALA60 Input 2.00 mm/d RMS 0.07 mm/d NRMS 0.03 share 0.53 count 8 4. RICHMOND Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.53 count 8 5. WESTFORD Input 2.00 mm/d RMS 0.12 mm/d NRMS 0.06 share 0.53 count 8 6. WETTZELL Input 2.00 mm/d RMS 0.05 mm/d NRMS 0.03 share 0.53 count 8 Overall RMS 0.09 mm/d NRMS 0.04 share 0.53 count 40 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.19 D-14 NRMS 0.44 share 0.27 count 26 2. ONSALA60 Input 5.00 D-14 RMS 1.89 D-14 NRMS 0.38 share 0.50 count 26 4. RICHMOND Input 5.00 D-14 RMS 2.32 D-14 NRMS 0.46 share 0.32 count 26 6. WETTZELL Input 5.00 D-14 RMS 2.15 D-14 NRMS 0.43 share 0.31 count 26 Overall RMS 2.14 D-14 NRMS 0.43 share 0.35 count 104 548. UT1-TAI 1, 1984.10.26-06:04:00.000 -2.0462 ms/d -24.96 micros/d 64.36 micros/d 64.49 micros/d EOP epoch (TDT) MJD: 45999.253150 NUT epoch (TDT) MJD: 45999.193313 549. Nutation DPSI wrt apriori model 1984.10.26-06:03:38.376 -1.985 mas 841.3 microasec 842.9 microasec Nutation Dx wrt apriori model 1984.10.26-06:03:38.376 -0.789 mas 333.5 microasec 334.1 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.26-06:03:38.376 -5.950 mas 841.3 microasec 842.9 microasec 550. Nutation DEPS wrt apriori model 1984.10.26-06:03:38.376 -0.017 mas 355.2 microasec 355.8 microasec Nutation Dy wrt apriori model 1984.10.26-06:03:38.376 -0.019 mas 356.3 microasec 357.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.26-06:03:38.376 1.927 mas 355.2 microasec 355.8 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.0685 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.26 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to ONSALA60 7213 7940732265.07 29.58 7940732265.07 29.58 234.57 7.64 175.34 41.41 HRAS_085 7216 to RICHMOND 7219 2362632847.65 8.46 2362632847.65 8.46 74.19 5.66 116.05 46.03 HRAS_085 7216 to WESTFORD 7209 3134928022.30 10.70 3134928022.30 10.70 117.41 5.01 238.17 38.88 HRAS_085 7216 to WETTZELL 7224 8417561528.04 29.67 8417561528.04 29.67 298.81 6.27 118.90 38.33 ONSALA60 7213 to RICHMOND 7219 7307152537.56 22.83 7307152537.56 22.83 158.10 7.08 -11.07 39.63 ONSALA60 7213 to WESTFORD 7209 5600741465.20 14.52 5600741465.20 14.52 74.66 6.38 16.82 37.69 ONSALA60 7213 to WETTZELL 7224 919661008.50 4.00 919661008.50 4.00 48.38 5.55 -35.35 24.37 RICHMOND 7219 to WESTFORD 7209 2044501739.85 7.31 2044501739.85 7.31 105.50 4.23 93.55 30.35 RICHMOND 7219 to WETTZELL 7224 7588398526.66 22.56 7588398526.66 22.56 212.27 6.73 -50.48 36.48 WESTFORD 7209 to WETTZELL 7224 5998325343.35 14.59 5998325343.35 14.59 145.79 5.33 -62.94 34.09 NNT_POS: 2 stations participated in NNT_POS constraints: HAYSTACK OVRO_130 NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1748 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:48:01 Correlator type: Unknown Experiment code: xat844 Mark-3 db_name: $84OCT26X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841026_a Ver 2 xat844 Matrix Condition Number = 1.180094672489763E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HAYSTACK: GION | | OVRO_130: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HAYSTACK is 5.0 Elevation cut for OVRO_130 is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HAYSTACK MET 6.9 1.9 1012.0 1.1 84.3 1.2 OVRO_130 MET 9.3 6.6 874.9 1.6 18.4 2.9 Run 26091-1748 141 Observation Pairs Available Session started on: 2446000.300700 1984.10.26 19:13:00.480 UTC Nominal duration: 119819.520 sec 01 09:16:59.520 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 134 17.407 ps 0.80 1.5321 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 137 Number of potentially good observations with QC 5-9: 137 Number of used observations: 134 ( 97.81%) Number of suppressed observations: 3 ( 2.19%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HAYSTACK OVRO_130 134 137 17.407 0.80 19841026_a xat844 1984.10.27-11:51:30.2 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 7 7 7 10.229 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 0212+735 J0217+7349 32 32 35 23.349 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 0528+134 J0530+1331 2 2 2 7.740 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 0552+398 J0555+3948 9 9 9 9.240 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 2216-038 J2218-0335 8 8 8 8.294 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 3C273B J1229+0203 3 3 3 25.826 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 3C345 J1642+3948 21 21 21 9.994 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 3C454.3 J2253+1608 10 11 11 14.581 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: 4C39.25 J0927+3902 7 8 9 43.968 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: OJ287 J0854+2006 4 4 4 16.767 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: OQ208 J1407+2827 14 14 14 23.116 19841026_a xat844 1984.10.27-11:51:30.240 SRC_STAT: VR422201 J2202+4216 17 18 18 31.614 19841026_a xat844 1984.10.27-11:51:30.240 ------------------------------------------------ Parameter adjustments for run 26091-1748 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.27-11:50:58 1. HAYSTACK 7205 NOAM X Comp 1492404684.12 mm -11.883 mm 2.940 mm 3.639 mm 2. HAYSTACK 7205 NOAM Y Comp -4457266464.51 mm 70.493 mm 8.028 mm 9.936 mm 3. HAYSTACK 7205 NOAM Z Comp 4296881683.95 mm -110.047 mm 8.417 mm 10.418 mm HAYSTACK 7205 U Comp -126.48 mm -126.484 mm 10.854 mm 8.717 mm HAYSTACK 7205 E Comp 11.11 mm 11.113 mm 4.291 mm 3.446 mm HAYSTACK 7205 N Comp -33.15 mm -33.153 mm 2.777 mm 2.230 mm 4. HAYSTACK AT 0 1984.10.26-19:12:28.296 7.262 ps 62.280 ps 77.089 ps HAYSTACK Atm 1984.10.27-12:13:00.480 Avg: 19.578 ps Rms: 32.471 ps Tot_Rms: 37.916 ps || Nat: 141 Dura: 119820.0 sec Tzd_avg: 8102.6 Tzd_rms: 115.3 Wzd_avg: 481.1 Wzd_rms: 117.6 ps Prs_avg: 101198. Pa Tem_avg: 6.9 C Stm_avg: -1.5 C Stm_rms: 0.9 K Spr_avg: 610. Spr_rms: 40. Pa 107. HAYSTACK NG 1984.10.26-19:11:28.296 0.013 mm 0.422 mm 0.523 mm 108. HAYSTACK EG 1984.10.26-19:11:28.296 -0.013 mm 0.422 mm 0.522 mm 109. HAYSTACK NG 1984.10.27-03:11:28.296 -0.015 mm 0.377 mm 0.466 mm 110. HAYSTACK EG 1984.10.27-03:11:28.296 -0.048 mm 0.376 mm 0.466 mm 111. HAYSTACK NG 1984.10.27-11:11:28.296 -0.001 mm 0.373 mm 0.462 mm 112. HAYSTACK EG 1984.10.27-11:11:28.296 -0.047 mm 0.372 mm 0.461 mm 113. HAYSTACK NG 1984.10.27-19:11:28.296 -0.006 mm 0.376 mm 0.466 mm 114. HAYSTACK EG 1984.10.27-19:11:28.296 -0.018 mm 0.376 mm 0.465 mm 115. HAYSTACK NG 1984.10.28-03:11:28.296 -0.020 mm 0.422 mm 0.522 mm 116. HAYSTACK EG 1984.10.28-03:11:28.296 -0.013 mm 0.421 mm 0.521 mm 117. OVRO_130 7207 NOAM X Comp -2409600875.12 mm 11.883 mm 2.940 mm 3.639 mm 118. OVRO_130 7207 NOAM Y Comp -4478349534.49 mm -70.493 mm 8.028 mm 9.936 mm 119. OVRO_130 7207 NOAM Z Comp 3838603298.05 mm 110.047 mm 8.417 mm 10.418 mm OVRO_130 7207 U Comp 111.53 mm 111.525 mm 10.798 mm 8.672 mm OVRO_130 7207 E Comp 43.87 mm 43.866 mm 3.928 mm 3.155 mm OVRO_130 7207 N Comp 53.47 mm 53.466 mm 3.451 mm 2.772 mm 120. OVRO_130 CL 0 1984.10.26-19:12:28.296 3524.916 ns 0.124 ns 0.153 ns 121. OVRO_130 CL 1 1984.10.26-19:12:28.296 -46.982 D-14 1.737 D-14 2.150 D-14 122. OVRO_130 CL 2 1984.10.26-19:12:28.296 -0.567 D-14/day 1.071 D-14/day 1.326 D-14/day 157. OVRO_130 AT 0 1984.10.26-19:12:28.296 27.853 ps 42.229 ps 52.269 ps OVRO_130 Atm 1984.10.27-12:13:00.480 Avg: -88.007 ps Rms: 89.369 ps Tot_Rms: 125.428 ps || Nat: 141 Dura: 119820.0 sec Tzd_avg: 6822.1 Tzd_rms: 44.3 Wzd_avg: 182.6 Wzd_rms: 51.9 ps Prs_avg: 87490. Pa Tem_avg: 9.4 C Stm_avg: -1.7 C Stm_rms: 3.8 K Spr_avg: 20. Spr_rms: 91. Pa 260. OVRO_130 NG 1984.10.26-19:11:28.296 -0.030 mm 0.422 mm 0.523 mm 261. OVRO_130 EG 1984.10.26-19:11:28.296 0.003 mm 0.422 mm 0.523 mm 262. OVRO_130 NG 1984.10.27-03:11:28.296 -0.013 mm 0.377 mm 0.466 mm 263. OVRO_130 EG 1984.10.27-03:11:28.296 0.005 mm 0.377 mm 0.466 mm 264. OVRO_130 NG 1984.10.27-11:11:28.296 -0.006 mm 0.373 mm 0.462 mm 265. OVRO_130 EG 1984.10.27-11:11:28.296 0.028 mm 0.373 mm 0.462 mm 266. OVRO_130 NG 1984.10.27-19:11:28.296 -0.037 mm 0.376 mm 0.466 mm 267. OVRO_130 EG 1984.10.27-19:11:28.296 -0.010 mm 0.376 mm 0.465 mm 268. OVRO_130 NG 1984.10.28-03:11:28.296 -0.037 mm 0.422 mm 0.522 mm 269. OVRO_130 EG 1984.10.28-03:11:28.296 -0.011 mm 0.422 mm 0.522 mm Atmosphere Constraint Statistics 1. HAYSTACK Input 50.00 ps/h RMS 20.10 ps/h NRMS 0.40 share 0.84 count 103 2. OVRO_130 Input 50.00 ps/h RMS 28.29 ps/h NRMS 0.57 share 0.77 count 103 Overall RMS 24.54 ps/h NRMS 0.49 share 0.80 count 206 Gradient Constraint Statistics 1. HAYSTACK Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.52 count 10 2. OVRO_130 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.52 count 10 Overall RMS 0.06 mm/d NRMS 0.03 share 0.52 count 20 Clock Constraint Statistics 2. OVRO_130 Input 5.00 D-14 RMS 1.59 D-14 NRMS 0.32 share 0.17 count 35 Overall RMS 1.59 D-14 NRMS 0.32 share 0.17 count 35 270. UT1-TAI 1, 1984.10.27-11:51:00.000 -1.8321 ms/d -169.13 micros/d 33.01 micros/d 40.86 micros/d EOP epoch (TDT) MJD: 46000.494123 NUT epoch (TDT) MJD: 46000.658582 271. Nutation DPSI wrt apriori model 1984.10.27-11:50:58.056 -3.062 mas 1087.9 microasec 1346.5 microasec Nutation Dx wrt apriori model 1984.10.27-11:50:58.056 -1.212 mas 431.1 microasec 533.7 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.27-11:50:58.056 -6.968 mas 1087.9 microasec 1346.5 microasec 272. Nutation DEPS wrt apriori model 1984.10.27-11:50:58.056 -1.728 mas 479.9 microasec 594.0 microasec Nutation Dy wrt apriori model 1984.10.27-11:50:58.056 -1.732 mas 481.3 microasec 595.8 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.27-11:50:58.056 0.375 mas 479.9 microasec 594.0 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.9727 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.27 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HAYSTACK 7205 to OVRO_130 7207 3928881642.29 5.73 3928881642.29 5.73 63.71 5.36 -249.94 22.67 NNT_POS: 4 stations participated in NNT_POS constraints: MOJAVE12 OVRO_130 PINFLATS VNDNBERG NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1748 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:48:04 Correlator type: Unknown Experiment code: cdp84q Mark-3 db_name: $84OCT28X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841028_a Ver 2 cdp84q Matrix Condition Number = 5.470265172288379E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- MOJAVE12: GION | | OVRO_130: GION | | PINFLATS: GION | | VNDNBERG: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for OVRO_130 is 5.0 Elevation cut for PINFLATS is 5.0 Elevation cut for VNDNBERG is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms MOJAVE12 MET 10.8 5.4 910.5 0.7 56.7 2.8 OVRO_130 MET 7.6 7.5 879.4 1.0 41.7 14.5 PINFLATS MET -999.0 0.0 -999.0 0.0-99900.0 0.0 VNDNBERG MET 15.5 1.1 1015.4 0.7 27.4 11.7 Run 26091-1748 496 Observation Pairs Available Session started on: 2446002.144300 1984.10.28 15:27:47.520 UTC Nominal duration: 87989.760 sec 01 00:26:29.760 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 428 23.101 ps 0.88 1.1388 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 436 Number of potentially good observations with QC 5-9: 436 Number of used observations: 428 ( 98.17%) Number of suppressed observations: 8 ( 1.83%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 OVRO_130 54 54 7.751 0.57 19841028_a cdp84q 1984.10.29-03:41:02.4 BAS_STAT MOJAVE12 PINFLATS 93 97 49.931 0.89 19841028_a cdp84q 1984.10.29-03:41:02.4 BAS_STAT MOJAVE12 VNDNBERG 105 105 18.065 0.84 19841028_a cdp84q 1984.10.29-03:41:02.4 BAS_STAT OVRO_130 PINFLATS 47 48 45.457 0.89 19841028_a cdp84q 1984.10.29-03:41:02.4 BAS_STAT OVRO_130 VNDNBERG 54 54 32.273 1.00 19841028_a cdp84q 1984.10.29-03:41:02.4 BAS_STAT PINFLATS VNDNBERG 75 78 105.667 1.00 19841028_a cdp84q 1984.10.29-03:41:02.4 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 27 27 33 40.257 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 0528+134 J0530+1331 24 24 27 30.724 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 0552+398 J0555+3948 37 37 48 20.733 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 1921-293 J1924-2914 12 15 15 36.877 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 2134+00 J2136+0041 24 24 27 22.896 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 3C273B J1229+0203 42 42 46 12.689 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 3C345 J1642+3948 55 55 63 18.117 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 3C454.3 J2253+1608 36 36 36 22.606 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 3C84 J0319+4130 50 50 51 17.637 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: 4C39.25 J0927+3902 34 34 42 23.073 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: NRAO150 J0359+5057 37 39 48 28.184 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: NRAO530 J1733-1304 32 33 33 39.155 19841028_a cdp84q 1984.10.29-03:41:02.400 SRC_STAT: OJ287 J0854+2006 18 20 27 36.178 19841028_a cdp84q 1984.10.29-03:41:02.400 ------------------------------------------------ Parameter adjustments for run 26091-1748 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.29-03:40:30 1. MOJAVE12 7222 NOAM X Comp -2356171208.89 mm -112.894 mm 5.700 mm 6.082 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755698.54 mm 133.464 mm 11.135 mm 11.883 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470714.23 mm 133.234 mm 8.424 mm 8.990 mm MOJAVE12 7222 U Comp 21.59 mm 21.591 mm 14.866 mm 13.059 mm MOJAVE12 7222 E Comp -161.05 mm -161.048 mm 1.608 mm 1.412 mm MOJAVE12 7222 N Comp 148.01 mm 148.008 mm 1.968 mm 1.729 mm 4. MOJAVE12 AT 0 1984.10.28-15:27:15.336 -43.387 ps 79.012 ps 84.317 ps MOJAVE12 Atm 1984.10.29-03:57:47.520 Avg: 13.048 ps Rms: 24.320 ps Tot_Rms: 27.599 ps || Nat: 110 Dura: 87990.0 sec Tzd_avg: 7122.3 Tzd_rms: 24.5 Wzd_avg: 229.1 Wzd_rms: 25.5 ps Prs_avg: 91053. Pa Tem_avg: 10.9 C Stm_avg: -2.4 C Stm_rms: 2.9 K Spr_avg: 252. Spr_rms: 38. Pa 80. MOJAVE12 NG 1984.10.28-15:26:15.336 0.052 mm 0.421 mm 0.449 mm 81. MOJAVE12 EG 1984.10.28-15:26:15.336 -0.042 mm 0.418 mm 0.446 mm 82. MOJAVE12 NG 1984.10.28-23:26:15.336 0.082 mm 0.376 mm 0.401 mm 83. MOJAVE12 EG 1984.10.28-23:26:15.336 -0.028 mm 0.374 mm 0.399 mm 84. MOJAVE12 NG 1984.10.29-07:26:15.336 -0.037 mm 0.375 mm 0.401 mm 85. MOJAVE12 EG 1984.10.29-07:26:15.336 0.039 mm 0.374 mm 0.399 mm 86. MOJAVE12 NG 1984.10.29-15:26:15.336 -0.044 mm 0.421 mm 0.449 mm 87. MOJAVE12 EG 1984.10.29-15:26:15.336 0.011 mm 0.419 mm 0.447 mm 88. OVRO_130 7207 NOAM X Comp -2409600956.89 mm -69.890 mm 8.561 mm 9.136 mm 89. OVRO_130 7207 NOAM Y Comp -4478349369.22 mm 94.775 mm 16.130 mm 17.213 mm 90. OVRO_130 7207 NOAM Z Comp 3838603326.21 mm 138.212 mm 13.161 mm 14.044 mm OVRO_130 7207 U Comp 43.54 mm 43.539 mm 22.064 mm 19.383 mm OVRO_130 7207 E Comp -106.45 mm -106.454 mm 2.373 mm 2.085 mm OVRO_130 7207 N Comp 140.51 mm 140.505 mm 3.773 mm 3.314 mm 91. OVRO_130 CL 0 1984.10.28-15:27:15.336 2717.383 ns 0.183 ns 0.195 ns 92. OVRO_130 CL 1 1984.10.28-15:27:15.336 -173.558 D-14 2.099 D-14 2.239 D-14 93. OVRO_130 CL 2 1984.10.28-15:27:15.336 0.218 D-14/day 1.757 D-14/day 1.875 D-14/day 119. OVRO_130 AT 0 1984.10.28-15:27:15.336 -43.687 ps 94.872 ps 101.242 ps OVRO_130 Atm 1984.10.29-03:57:47.520 Avg: -14.272 ps Rms: 35.125 ps Tot_Rms: 37.914 ps || Nat: 59 Dura: 87990.0 sec Tzd_avg: 6923.2 Tzd_rms: 14.2 Wzd_avg: 259.4 Wzd_rms: 16.6 ps Prs_avg: 87936. Pa Tem_avg: 7.7 C Stm_avg: -4.5 C Stm_rms: 5.0 K Spr_avg: 112. Spr_rms: 149. Pa 195. OVRO_130 NG 1984.10.28-15:26:15.336 0.007 mm 0.421 mm 0.450 mm 196. OVRO_130 EG 1984.10.28-15:26:15.336 -0.007 mm 0.421 mm 0.450 mm 197. OVRO_130 NG 1984.10.28-23:26:15.336 0.001 mm 0.376 mm 0.402 mm 198. OVRO_130 EG 1984.10.28-23:26:15.336 0.044 mm 0.376 mm 0.401 mm 199. OVRO_130 NG 1984.10.29-07:26:15.336 -0.059 mm 0.376 mm 0.401 mm 200. OVRO_130 EG 1984.10.29-07:26:15.336 -0.041 mm 0.376 mm 0.401 mm 201. OVRO_130 NG 1984.10.29-15:26:15.336 -0.037 mm 0.422 mm 0.450 mm 202. OVRO_130 EG 1984.10.29-15:26:15.336 -0.034 mm 0.422 mm 0.450 mm 203. PINFLATS 7256 PCFC X Comp -2369636109.00 mm 53.997 mm 10.091 mm 10.769 mm 204. PINFLATS 7256 PCFC Y Comp -4761324710.78 mm 6.220 mm 20.492 mm 21.867 mm 205. PINFLATS 7256 PCFC Z Comp 3511116175.18 mm -30.822 mm 14.655 mm 15.639 mm PINFLATS 7256 U Comp -41.74 mm -41.736 mm 26.722 mm 23.475 mm PINFLATS 7256 E Comp 45.57 mm 45.570 mm 2.667 mm 2.343 mm PINFLATS 7256 N Comp -9.27 mm -9.270 mm 3.913 mm 3.437 mm 206. PINFLATS CL 0 1984.10.28-15:27:15.336 3290.165 ns 0.264 ns 0.282 ns 207. PINFLATS CL 1 1984.10.28-15:27:15.336 16.722 D-14 2.208 D-14 2.357 D-14 208. PINFLATS CL 2 1984.10.28-15:27:15.336 4.703 D-14/day 1.838 D-14/day 1.961 D-14/day 234. PINFLATS AT 0 1984.10.28-15:27:15.336 112.247 ps 102.594 ps 109.482 ps PINFLATS Atm 1984.10.29-03:57:47.520 Avg: 113.028 ps Rms: 30.678 ps Tot_Rms: 117.117 ps || Nat: 106 Dura: 87270.0 sec Tzd_avg: 6839.4 Tzd_rms: 9.7 Wzd_avg: 199.9 Wzd_rms: 12.9 ps Prs_avg: 87294. Pa Tem_avg: 7.0 C Stm_avg: -6.9 C Stm_rms: 1.4 K Spr_avg: -135. Spr_rms: 56. Pa 310. PINFLATS NG 1984.10.28-15:26:15.336 -0.033 mm 0.422 mm 0.450 mm 311. PINFLATS EG 1984.10.28-15:26:15.336 0.024 mm 0.422 mm 0.450 mm 312. PINFLATS NG 1984.10.28-23:26:15.336 -0.029 mm 0.377 mm 0.402 mm 313. PINFLATS EG 1984.10.28-23:26:15.336 0.007 mm 0.376 mm 0.401 mm 314. PINFLATS NG 1984.10.29-07:26:15.336 0.071 mm 0.377 mm 0.402 mm 315. PINFLATS EG 1984.10.29-07:26:15.336 -0.019 mm 0.376 mm 0.402 mm 316. PINFLATS NG 1984.10.29-15:26:15.336 0.025 mm 0.422 mm 0.450 mm 317. PINFLATS EG 1984.10.29-15:26:15.336 -0.011 mm 0.421 mm 0.449 mm 318. VNDNBERG 7223 PCFC X Comp -2678094918.21 mm 128.788 mm 7.473 mm 7.975 mm 319. VNDNBERG 7223 PCFC Y Comp -4525450734.46 mm -234.459 mm 13.593 mm 14.506 mm 320. VNDNBERG 7223 PCFC Z Comp 3597410175.38 mm -240.624 mm 10.587 mm 11.298 mm VNDNBERG 7223 U Comp -24.33 mm -24.327 mm 18.410 mm 16.173 mm VNDNBERG 7223 E Comp 230.24 mm 230.242 mm 2.783 mm 2.445 mm VNDNBERG 7223 N Comp -275.42 mm -275.417 mm 2.452 mm 2.154 mm 321. VNDNBERG CL 0 1984.10.28-15:27:15.336 2750.870 ns 0.115 ns 0.122 ns 322. VNDNBERG CL 1 1984.10.28-15:27:15.336 226.936 D-14 2.041 D-14 2.178 D-14 323. VNDNBERG CL 2 1984.10.28-15:27:15.336 0.635 D-14/day 1.709 D-14/day 1.824 D-14/day 349. VNDNBERG AT 0 1984.10.28-15:27:15.336 -22.459 ps 71.152 ps 75.929 ps VNDNBERG Atm 1984.10.29-03:57:47.520 Avg: -23.822 ps Rms: 21.508 ps Tot_Rms: 32.095 ps || Nat: 110 Dura: 87990.0 sec Tzd_avg: 8083.1 Tzd_rms: 42.4 Wzd_avg: 383.5 Wzd_rms: 45.8 ps Prs_avg: 101539. Pa Tem_avg: 15.5 C Stm_avg: 0.5 C Stm_rms: 1.2 K Spr_avg: 35. Spr_rms: 37. Pa 425. VNDNBERG NG 1984.10.28-15:26:15.336 -0.024 mm 0.422 mm 0.450 mm 426. VNDNBERG EG 1984.10.28-15:26:15.336 0.015 mm 0.420 mm 0.448 mm 427. VNDNBERG NG 1984.10.28-23:26:15.336 -0.050 mm 0.376 mm 0.402 mm 428. VNDNBERG EG 1984.10.28-23:26:15.336 -0.041 mm 0.375 mm 0.400 mm 429. VNDNBERG NG 1984.10.29-07:26:15.336 0.040 mm 0.376 mm 0.402 mm 430. VNDNBERG EG 1984.10.29-07:26:15.336 0.008 mm 0.374 mm 0.400 mm 431. VNDNBERG NG 1984.10.29-15:26:15.336 0.066 mm 0.422 mm 0.450 mm 432. VNDNBERG EG 1984.10.29-15:26:15.336 0.024 mm 0.420 mm 0.448 mm Atmosphere Constraint Statistics 1. MOJAVE12 Input 50.00 ps/h RMS 29.10 ps/h NRMS 0.58 share 0.73 count 76 2. OVRO_130 Input 50.00 ps/h RMS 22.01 ps/h NRMS 0.44 share 0.84 count 76 3. PINFLATS Input 50.00 ps/h RMS 24.54 ps/h NRMS 0.49 share 0.88 count 76 4. VNDNBERG Input 50.00 ps/h RMS 26.08 ps/h NRMS 0.52 share 0.79 count 76 Overall RMS 25.56 ps/h NRMS 0.51 share 0.81 count 304 Gradient Constraint Statistics 1. MOJAVE12 Input 2.00 mm/d RMS 0.17 mm/d NRMS 0.09 share 0.53 count 8 2. OVRO_130 Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 3. PINFLATS Input 2.00 mm/d RMS 0.14 mm/d NRMS 0.07 share 0.53 count 8 4. VNDNBERG Input 2.00 mm/d RMS 0.15 mm/d NRMS 0.08 share 0.53 count 8 Overall RMS 0.15 mm/d NRMS 0.08 share 0.53 count 32 Clock Constraint Statistics 2. OVRO_130 Input 5.00 D-14 RMS 2.03 D-14 NRMS 0.41 share 0.19 count 26 3. PINFLATS Input 5.00 D-14 RMS 6.74 D-14 NRMS 1.35 share 0.26 count 26 4. VNDNBERG Input 5.00 D-14 RMS 1.79 D-14 NRMS 0.36 share 0.17 count 26 Overall RMS 4.19 D-14 NRMS 0.84 share 0.21 count 78 433. UT1-TAI 1, 1984.10.29-03:41:00.000 -1.5879 ms/d -183.36 micros/d 586.16 micros/d 625.51 micros/d EOP epoch (TDT) MJD: 46002.153845 NUT epoch (TDT) MJD: 46002.146086 434. Nutation DPSI wrt apriori model 1984.10.29-03:40:30.216 -20.190 mas 6741.2 microasec 7193.8 microasec Nutation Dx wrt apriori model 1984.10.29-03:40:30.216 -8.029 mas 2673.8 microasec 2853.3 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.29-03:40:30.216 -24.184 mas 6741.2 microasec 7193.8 microasec 435. Nutation DEPS wrt apriori model 1984.10.29-03:40:30.216 -0.852 mas 2331.2 microasec 2487.7 microasec Nutation Dy wrt apriori model 1984.10.29-03:40:30.216 -0.879 mas 2340.3 microasec 2497.4 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.29-03:40:30.216 1.126 mas 2331.2 microasec 2487.7 microasec General constraints usage information: 1) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 2) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.2128 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.29 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) MOJAVE12 7222 to OVRO_130 7207 245276446.85 3.94 245276446.85 3.94 45.89 3.80 -14.51 28.88 MOJAVE12 7222 to PINFLATS 7256 195109746.20 5.17 195109746.20 5.17 -170.22 3.21 61.31 35.97 MOJAVE12 7222 to VNDNBERG 7223 351282463.43 3.64 351282463.43 3.64 -507.05 2.67 44.34 22.75 OVRO_130 7207 to PINFLATS 7256 434649361.08 6.80 434649361.08 6.80 -82.02 4.72 80.38 42.38 OVRO_130 7207 to VNDNBERG 7223 363980331.73 5.60 363980331.73 5.60 -514.95 3.41 67.68 32.84 PINFLATS 7256 to VNDNBERG 7223 397781377.33 5.22 397781377.33 5.22 -214.80 4.99 -27.78 39.01 NNT_POS: 4 stations participated in NNT_POS constraints: HRAS_085 RICHMOND WESTFORD WETTZELL NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1748 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:48:07 Correlator type: Unknown Experiment code: ia212 Mark-3 db_name: $84OCT30XI Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841030_a Ver 2 ia212 Matrix Condition Number = 3.238564229478886E+05 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- HRAS_085: GION | | RICHMOND: GION | | WESTFORD: GION | | WETTZELL: GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for HRAS_085 is 5.0 Elevation cut for RICHMOND is 5.0 Elevation cut for WESTFORD is 5.0 Elevation cut for WETTZELL is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms HRAS_085 MET 14.3 3.2 839.6 0.5 63.0 10.5 RICHMOND MET 22.4 2.8 1016.0 0.8 45.1 4.1 WESTFORD MET 8.7 2.4 1015.0 0.5 20.4 3.5 WETTZELL MET 6.5 3.7 957.7 0.4 48.0 33.1 Run 26091-1748 455 Observation Pairs Available Session started on: 2446004.245700 1984.10.30 17:53:48.480 UTC Nominal duration: 85855.680 sec 00 23:50:55.680 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 393 39.397 ps 0.97 1.3670 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 404 Number of potentially good observations with QC 5-9: 404 Number of used observations: 393 ( 97.28%) Number of suppressed observations: 11 ( 2.72%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps HRAS_085 RICHMOND 66 71 23.049 0.94 19841030_a ia212 1984.10.31-05:49:16.3 BAS_STAT HRAS_085 WESTFORD 81 82 64.795 0.98 19841030_a ia212 1984.10.31-05:49:16.3 BAS_STAT HRAS_085 WETTZELL 48 49 57.489 0.88 19841030_a ia212 1984.10.31-05:49:16.3 BAS_STAT RICHMOND WESTFORD 70 70 36.053 1.13 19841030_a ia212 1984.10.31-05:49:16.3 BAS_STAT RICHMOND WETTZELL 45 46 99.900 1.02 19841030_a ia212 1984.10.31-05:49:16.3 BAS_STAT WESTFORD WETTZELL 83 86 48.626 0.86 19841030_a ia212 1984.10.31-05:49:16.3 BAS_STAT Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 15 16 20 48.972 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 0212+735 J0217+7349 31 32 46 84.247 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 0229+131 J0231+1322 27 27 27 28.495 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 0528+134 J0530+1331 32 32 32 43.701 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 0552+398 J0555+3948 33 33 34 47.078 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 1803+784 J1800+7828 24 24 29 42.834 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 2134+00 J2136+0041 33 33 33 26.703 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 3C273B J1229+0203 17 22 22 26.308 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 3C345 J1642+3948 29 29 40 27.987 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 3C454.3 J2253+1608 29 29 29 29.213 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: 4C39.25 J0927+3902 31 33 37 37.667 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: OJ287 J0854+2006 42 43 43 49.378 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: OQ208 J1407+2827 26 27 30 90.886 19841030_a ia212 1984.10.31-05:49:16.320 SRC_STAT: VR422201 J2202+4216 24 24 33 67.911 19841030_a ia212 1984.10.31-05:49:16.320 ------------------------------------------------ Parameter adjustments for run 26091-1748 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.10.31-05:48:44 1. HRAS_085 7216 NOAM X Comp -1324211045.32 mm -28.316 mm 7.021 mm 8.209 mm 2. HRAS_085 7216 NOAM Y Comp -5332023047.42 mm 34.581 mm 18.963 mm 22.171 mm 3. HRAS_085 7216 NOAM Z Comp 3232118443.97 mm 136.969 mm 13.484 mm 15.765 mm HRAS_085 7216 U Comp 46.79 mm 46.794 mm 22.465 mm 21.806 mm HRAS_085 7216 E Comp -35.82 mm -35.816 mm 6.167 mm 5.986 mm HRAS_085 7216 N Comp 131.48 mm 131.475 mm 6.930 mm 6.727 mm 4. HRAS_085 CL 0 1984.10.30-17:53:16.296 28940.899 ns 0.159 ns 0.186 ns 5. HRAS_085 CL 1 1984.10.30-17:53:16.296 96.680 D-14 2.089 D-14 2.443 D-14 6. HRAS_085 CL 2 1984.10.30-17:53:16.296 5.347 D-14/day 1.830 D-14/day 2.139 D-14/day 31. HRAS_085 AT 0 1984.10.30-17:53:16.296 27.228 ps 63.533 ps 74.281 ps HRAS_085 Atm 1984.10.31-05:53:48.480 Avg: 60.542 ps Rms: 52.042 ps Tot_Rms: 79.835 ps || Nat: 100 Dura: 85332.0 sec Tzd_avg: 6739.7 Tzd_rms: 30.7 Wzd_avg: 369.3 Wzd_rms: 34.1 ps Prs_avg: 83960. Pa Tem_avg: 14.4 C Stm_avg: -2.5 C Stm_rms: 1.5 K Spr_avg: 26. Spr_rms: 77. Pa 104. HRAS_085 NG 1984.10.30-17:52:16.296 -0.065 mm 0.422 mm 0.493 mm 105. HRAS_085 EG 1984.10.30-17:52:16.296 -0.016 mm 0.422 mm 0.493 mm 106. HRAS_085 NG 1984.10.31-01:52:16.296 -0.069 mm 0.376 mm 0.440 mm 107. HRAS_085 EG 1984.10.31-01:52:16.296 0.028 mm 0.376 mm 0.440 mm 108. HRAS_085 NG 1984.10.31-09:52:16.296 -0.034 mm 0.376 mm 0.440 mm 109. HRAS_085 EG 1984.10.31-09:52:16.296 0.023 mm 0.376 mm 0.440 mm 110. HRAS_085 NG 1984.10.31-17:52:16.296 0.096 mm 0.421 mm 0.493 mm 111. HRAS_085 EG 1984.10.31-17:52:16.296 -0.048 mm 0.421 mm 0.493 mm 112. RICHMOND 7219 NOAM X Comp 961257973.95 mm -45.055 mm 5.882 mm 6.877 mm 113. RICHMOND 7219 NOAM Y Comp -5674090000.67 mm 49.326 mm 17.236 mm 20.152 mm 114. RICHMOND 7219 NOAM Z Comp 2740533840.83 mm 42.832 mm 11.454 mm 13.392 mm RICHMOND 7219 U Comp -32.12 mm -32.123 mm 19.781 mm 19.201 mm RICHMOND 7219 E Comp -36.18 mm -36.183 mm 5.737 mm 5.569 mm RICHMOND 7219 N Comp 62.90 mm 62.901 mm 6.219 mm 6.036 mm 115. RICHMOND CL 0 1984.10.30-17:53:16.296 4359.407 ns 0.152 ns 0.178 ns 116. RICHMOND CL 1 1984.10.30-17:53:16.296 -71.358 D-14 2.110 D-14 2.467 D-14 117. RICHMOND CL 2 1984.10.30-17:53:16.296 4.342 D-14/day 1.858 D-14/day 2.172 D-14/day 142. RICHMOND AT 0 1984.10.30-17:53:16.296 -178.645 ps 64.673 ps 75.614 ps RICHMOND Atm 1984.10.31-05:53:48.480 Avg: -110.494 ps Rms: 52.403 ps Tot_Rms: 122.291 ps || Nat: 90 Dura: 83462.0 sec Tzd_avg: 8375.8 Tzd_rms: 50.9 Wzd_avg: 676.3 Wzd_rms: 52.8 ps Prs_avg: 101601. Pa Tem_avg: 22.4 C Stm_avg: -3.2 C Stm_rms: 2.5 K Spr_avg: 34. Spr_rms: 90. Pa 215. RICHMOND NG 1984.10.30-17:52:16.296 0.042 mm 0.422 mm 0.493 mm 216. RICHMOND EG 1984.10.30-17:52:16.296 -0.008 mm 0.421 mm 0.492 mm 217. RICHMOND NG 1984.10.31-01:52:16.296 0.029 mm 0.376 mm 0.440 mm 218. RICHMOND EG 1984.10.31-01:52:16.296 -0.056 mm 0.376 mm 0.439 mm 219. RICHMOND NG 1984.10.31-09:52:16.296 0.045 mm 0.376 mm 0.440 mm 220. RICHMOND EG 1984.10.31-09:52:16.296 -0.032 mm 0.376 mm 0.439 mm 221. RICHMOND NG 1984.10.31-17:52:16.296 -0.000 mm 0.421 mm 0.493 mm 222. RICHMOND EG 1984.10.31-17:52:16.296 0.090 mm 0.421 mm 0.492 mm 223. WESTFORD 7209 NOAM X Comp 1492206572.71 mm 29.709 mm 5.926 mm 6.929 mm 224. WESTFORD 7209 NOAM Y Comp -4458130417.20 mm 104.805 mm 11.918 mm 13.934 mm 225. WESTFORD 7209 NOAM Z Comp 4296015498.39 mm -48.611 mm 11.448 mm 13.384 mm WESTFORD 7209 U Comp -99.11 mm -99.114 mm 15.945 mm 15.477 mm WESTFORD 7209 E Comp 61.44 mm 61.439 mm 5.810 mm 5.640 mm WESTFORD 7209 N Comp 25.13 mm 25.128 mm 4.493 mm 4.362 mm 226. WESTFORD AT 0 1984.10.30-17:53:16.296 79.112 ps 32.130 ps 37.566 ps WESTFORD Atm 1984.10.31-05:53:48.480 Avg: 61.535 ps Rms: 21.720 ps Tot_Rms: 65.256 ps || Nat: 143 Dura: 85852.0 sec Tzd_avg: 7981.1 Tzd_rms: 55.9 Wzd_avg: 301.3 Wzd_rms: 60.9 ps Prs_avg: 101503. Pa Tem_avg: 8.8 C Stm_avg: -0.5 C Stm_rms: 1.2 K Spr_avg: 226. Spr_rms: 47. Pa 299. WESTFORD NG 1984.10.30-17:52:16.296 0.033 mm 0.421 mm 0.493 mm 300. WESTFORD EG 1984.10.30-17:52:16.296 0.072 mm 0.419 mm 0.490 mm 301. WESTFORD NG 1984.10.31-01:52:16.296 0.089 mm 0.376 mm 0.440 mm 302. WESTFORD EG 1984.10.31-01:52:16.296 0.070 mm 0.376 mm 0.439 mm 303. WESTFORD NG 1984.10.31-09:52:16.296 0.018 mm 0.376 mm 0.440 mm 304. WESTFORD EG 1984.10.31-09:52:16.296 0.055 mm 0.376 mm 0.439 mm 305. WESTFORD NG 1984.10.31-17:52:16.296 -0.063 mm 0.421 mm 0.492 mm 306. WESTFORD EG 1984.10.31-17:52:16.296 -0.067 mm 0.421 mm 0.492 mm 307. WETTZELL 7224 EURA X Comp 4075539884.66 mm 43.661 mm 15.148 mm 17.710 mm 308. WETTZELL 7224 EURA Y Comp 931735125.29 mm -188.712 mm 11.761 mm 13.750 mm 309. WETTZELL 7224 EURA Z Comp 4801629261.81 mm -131.190 mm 19.607 mm 22.924 mm WETTZELL 7224 U Comp -98.90 mm -98.897 mm 23.678 mm 22.983 mm WETTZELL 7224 E Comp -193.70 mm -193.696 mm 11.794 mm 11.448 mm WETTZELL 7224 N Comp -86.20 mm -86.200 mm 7.245 mm 7.033 mm 310. WETTZELL CL 0 1984.10.30-17:53:16.296 3138.957 ns 0.182 ns 0.213 ns 311. WETTZELL CL 1 1984.10.30-17:53:16.296 -184.589 D-14 2.158 D-14 2.523 D-14 312. WETTZELL CL 2 1984.10.30-17:53:16.296 5.738 D-14/day 1.867 D-14/day 2.182 D-14/day 337. WETTZELL AT 0 1984.10.30-17:53:16.296 -42.046 ps 55.715 ps 65.140 ps WETTZELL Atm 1984.10.31-05:53:48.480 Avg: -46.784 ps Rms: 16.331 ps Tot_Rms: 49.552 ps || Nat: 100 Dura: 84182.0 sec Tzd_avg: 7468.2 Tzd_rms: 23.9 Wzd_avg: 237.2 Wzd_rms: 23.5 ps Prs_avg: 95764. Pa Tem_avg: 6.8 C Stm_avg: -0.2 C Stm_rms: 3.3 K Spr_avg: 385. Spr_rms: 27. Pa 410. WETTZELL NG 1984.10.30-17:52:16.296 -0.003 mm 0.422 mm 0.493 mm 411. WETTZELL EG 1984.10.30-17:52:16.296 -0.020 mm 0.422 mm 0.494 mm 412. WETTZELL NG 1984.10.31-01:52:16.296 -0.005 mm 0.377 mm 0.441 mm 413. WETTZELL EG 1984.10.31-01:52:16.296 -0.022 mm 0.377 mm 0.441 mm 414. WETTZELL NG 1984.10.31-09:52:16.296 0.011 mm 0.377 mm 0.441 mm 415. WETTZELL EG 1984.10.31-09:52:16.296 0.014 mm 0.377 mm 0.441 mm 416. WETTZELL NG 1984.10.31-17:52:16.296 -0.007 mm 0.422 mm 0.494 mm 417. WETTZELL EG 1984.10.31-17:52:16.296 0.002 mm 0.422 mm 0.494 mm Atmosphere Constraint Statistics 1. HRAS_085 Input 50.00 ps/h RMS 24.30 ps/h NRMS 0.49 share 0.86 count 73 2. RICHMOND Input 50.00 ps/h RMS 27.85 ps/h NRMS 0.56 share 0.85 count 73 3. WESTFORD Input 50.00 ps/h RMS 23.47 ps/h NRMS 0.47 share 0.79 count 73 4. WETTZELL Input 50.00 ps/h RMS 14.67 ps/h NRMS 0.29 share 0.85 count 73 Overall RMS 23.09 ps/h NRMS 0.46 share 0.84 count 292 Gradient Constraint Statistics 1. HRAS_085 Input 2.00 mm/d RMS 0.19 mm/d NRMS 0.10 share 0.53 count 8 2. RICHMOND Input 2.00 mm/d RMS 0.18 mm/d NRMS 0.09 share 0.53 count 8 3. WESTFORD Input 2.00 mm/d RMS 0.21 mm/d NRMS 0.11 share 0.53 count 8 4. WETTZELL Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 Overall RMS 0.17 mm/d NRMS 0.09 share 0.53 count 32 Clock Constraint Statistics 1. HRAS_085 Input 5.00 D-14 RMS 2.22 D-14 NRMS 0.44 share 0.23 count 25 2. RICHMOND Input 5.00 D-14 RMS 2.57 D-14 NRMS 0.51 share 0.23 count 25 4. WETTZELL Input 5.00 D-14 RMS 2.84 D-14 NRMS 0.57 share 0.29 count 25 Overall RMS 2.56 D-14 NRMS 0.51 share 0.25 count 75 418. UT1-TAI 1, 1984.10.31-05:49:00.000 -1.3916 ms/d 67.36 micros/d 62.11 micros/d 72.62 micros/d EOP epoch (TDT) MJD: 46004.242734 NUT epoch (TDT) MJD: 46004.249661 419. Nutation DPSI wrt apriori model 1984.10.31-05:48:44.136 -1.264 mas 639.1 microasec 747.2 microasec Nutation Dx wrt apriori model 1984.10.31-05:48:44.136 -0.501 mas 253.1 microasec 295.9 microasec Nutation DPSI wrt Wahr 1980 model 1984.10.31-05:48:44.136 -4.992 mas 639.1 microasec 747.2 microasec 420. Nutation DEPS wrt apriori model 1984.10.31-05:48:44.136 -0.516 mas 341.3 microasec 399.0 microasec Nutation Dy wrt apriori model 1984.10.31-05:48:44.136 -0.518 mas 342.1 microasec 400.0 microasec Nutation DEPS wrt Wahr 1980 model 1984.10.31-05:48:44.136 1.253 mas 341.3 microasec 399.0 microasec General constraints usage information: 1) CLO_RATE "Clock rate between segments " sigma 5.000E+00 10^-14 sec/sec 2) ATM_RATE "Atmosphere rate between segments" sigma 5.000E+01 psec/hr 3) GRAD_OFF "Atmosphere gradient offset " sigma 5.000E-01 mm 4) GRAD_RAT "Atmosphere gradient rate " sigma 2.000E+00 mm/day 5) NNT_POS "No-net translation for positions" sigma 1.000E-04 meter Corrected Reduced Chi-Square 1.4628 NB: m-sigmas are preferable for this solution 1 Baseline information for run 26091-174 Monument to monument values at epoch 1984.10.31 Baseline vector components: Length, Vertical and Transverse components Vector mag a-sigma Length a-sigma Horizontal a-sigma Vertical a-sigma (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HRAS_085 7216 to RICHMOND 7219 2362632823.90 6.44 2362632823.90 6.44 77.90 4.76 57.35 36.97 HRAS_085 7216 to WESTFORD 7209 3134927984.93 8.18 3134927984.93 8.18 120.20 4.43 167.97 32.25 HRAS_085 7216 to WETTZELL 7224 8417561449.69 26.63 8417561449.69 26.63 296.05 5.96 102.02 34.27 RICHMOND 7219 to WESTFORD 7209 2044501726.63 5.94 2044501726.63 5.94 100.61 3.67 81.32 26.95 RICHMOND 7219 to WETTZELL 7224 7588398496.95 22.63 7588398496.95 22.63 215.90 5.74 -25.45 34.85 WESTFORD 7209 to WETTZELL 7224 5998325336.66 17.00 5998325336.66 17.00 148.57 4.53 -32.08 33.69 NNT_POS: 3 stations participated in NNT_POS constraints: MOJAVE12 VNDNBERG YUMA NNT_POS sigma: 1.000000D-04 right hand sides: 0.000000D+00 0.000000D+00 0.000000D+00 m 1Run 26091-1748 Analysis center: GSF -- NASA Goddard Space Flight Center Analyst: Leonid Petrov ( lpetrov@gs61a-cetus.ndc.nasa.gov ) Machine: gs61a-cetus.ndc.nasa.gov x86_64 Linux 6.8.0-106-generic Executables: /opt64/psolve Solve initials: P1 Solution ID: bas_2026a baseline solution Spool format: Revision date 2003.08.20 Local time: 2026.04.01-13:48:10 Correlator type: Unknown Experiment code: cdp84r Mark-3 db_name: $84OCT31X Experiment desc: Unknown Recording mode: ?????????? Agency/PI name: Unknown Correlator: Unknown Data base 19841031_a Ver 2 cdp84r Matrix Condition Number = 2.889378859452838E+06 Listing_Options: CRES_EMULATION NO BASELINES YES MINIMUM NO Listing_Options: MAPPED_EOP_OUTPUT NO SEG_OUTPUT NO APRIORI_ZENDEL YES Listing_Options: NRD_TABLE YES CHI_TABLE NO SRC_STAT POST2021 SEG_STYLE POST2005 Solve_release: 2026.02.16 Solve_revision: 2026.02.16 Flyby Station Cals: DB Station Cals: | DB Non-station Cals: | Atmosphere Partial: -------------------------------------------------------------------------------------------------- MOJAVE12: GION | | PINFLATS: GION | | VNDNBERG: GION | | YUMA : GION | | -------------------------------------------------------------------------------------------------- VTD 20251118 version 2.15 SOLVE release: 2026.02.16 VTD_CONF: /sol/qua/bas_2026a/bas_2026a.vtd Fast_mode: B3D Fast_cov: SEG Elevation cut for MOJAVE12 is 5.0 Elevation cut for VNDNBERG is 5.0 Elevation cut for YUMA is 5.0 Met Statistics: Temperature Pressure Humidity Station average rms average rms average rms MOJAVE12 MET 10.7 6.1 911.5 3.4 65.7 9.5 PINFLATS MET 12.2 2.4 874.5 2.8 41.3 12.4 VNDNBERG MET 14.8 1.1 1015.4 1.4 63.6 8.9 YUMA MET 18.1 3.3 984.2 2.9 38.4 4.6 Run 26091-1748 593 Observation Pairs Available Session started on: 2446005.167200 1984.10.31 16:00:46.080 UTC Nominal duration: 87963.840 sec 01 00:26:03.840 sec Solution type: G-Gxs combination Data Type Number of Weighted RMS Normalized RMS Chi Square Observations Residual Residual (precis) Used Delay 188 47.234 ps 0.83 1.0582 Rate 0 0 fs/s 0.00 0.0000 ----------------------------------------------------------------------- CRES mode: POST03 Suppression method in use: SUPMET__COMB1 Used quality_code_limit: 5 Number of potentially recoverable observations: 199 Number of potentially good observations with QC 5-9: 199 Number of used observations: 188 ( 94.47%) Number of suppressed observations: 11 ( 5.53%) ----------------------------------------------------------------------- Baseline Statistics Baseline Numb. Obs W.RMS Del Chi/ndf Database Exp Code Nominal mid. epoch used recov ps MOJAVE12 VNDNBERG 94 95 32.398 0.78 19841031_a cdp84r 1984.11.01-04:13:48.0 BAS_STAT MOJAVE12 YUMA 70 80 141.485 0.88 19841031_a cdp84r 1984.11.01-04:13:48.0 BAS_STAT VNDNBERG YUMA 24 24 130.622 0.87 19841031_a cdp84r 1984.11.01-04:13:48.0 BAS_STAT Not included: MOJAVE12 PINFLATS 0/ 0 deselected baseline 19841031_a cdp84r PINFLATS VNDNBERG 0/ 0 deselected baseline 19841031_a cdp84r PINFLATS YUMA 0/ 0 deselected baseline 19841031_a cdp84r Source Statistics B-name J-name #use #rec #tot wrms (ps) Database Exp Code Nominal mid. epoch SRC_STAT: 0106+013 J0108+0135 10 11 38 89.960 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 0528+134 J0530+1331 6 6 30 39.719 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 0552+398 J0555+3948 13 14 48 46.228 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 1921-293 J1924-2914 7 8 18 56.217 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 2134+00 J2136+0041 13 14 39 42.771 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 3C273B J1229+0203 26 27 60 32.414 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 3C345 J1642+3948 35 35 87 39.854 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 3C454.3 J2253+1608 15 16 48 52.037 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 3C84 J0319+4130 17 17 45 40.811 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: 4C39.25 J0927+3902 9 11 42 59.093 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: NRAO150 J0359+5057 16 18 57 53.258 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: NRAO530 J1733-1304 14 14 45 77.428 19841031_a cdp84r 1984.11.01-04:13:48.000 SRC_STAT: OJ287 J0854+2006 7 8 36 41.011 19841031_a cdp84r 1984.11.01-04:13:48.000 ------------------------------------------------ Parameter adjustments for run 26091-1748 User=P1 Parameter Adjustment a-sigma m-sigma Station positions are for epoch: 1984.11.01-04:13:15 1. MOJAVE12 7222 NOAM X Comp -2356171209.43 mm -113.432 mm 15.215 mm 15.652 mm 2. MOJAVE12 7222 NOAM Y Comp -4646755825.76 mm 6.242 mm 33.580 mm 34.544 mm 3. MOJAVE12 7222 NOAM Z Comp 3668470745.43 mm 164.429 mm 23.335 mm 24.004 mm MOJAVE12 7222 U Comp 132.40 mm 132.399 mm 42.940 mm 35.631 mm MOJAVE12 7222 E Comp -103.99 mm -103.992 mm 4.728 mm 3.923 mm MOJAVE12 7222 N Comp 107.70 mm 107.697 mm 6.122 mm 5.080 mm 4. MOJAVE12 AT 0 1984.10.31-16:00:13.896 62.349 ps 118.708 ps 122.113 ps MOJAVE12 Atm 1984.11.01-04:30:46.080 Avg: 38.124 ps Rms: 14.779 ps Tot_Rms: 40.889 ps || Nat: 109 Dura: 87962.0 sec Tzd_avg: 7061.3 Tzd_rms: 25.8 Wzd_avg: 157.6 Wzd_rms: 43.2 ps Prs_avg: 91151. Pa Tem_avg: 10.5 C Stm_avg: -3.7 C Stm_rms: 4.8 K Spr_avg: 243. Spr_rms: 44. Pa 80. MOJAVE12 NG 1984.10.31-15:59:13.896 -0.009 mm 0.422 mm 0.434 mm 81. MOJAVE12 EG 1984.10.31-15:59:13.896 0.014 mm 0.421 mm 0.433 mm 82. MOJAVE12 NG 1984.10.31-23:59:13.896 -0.010 mm 0.377 mm 0.388 mm 83. MOJAVE12 EG 1984.10.31-23:59:13.896 -0.021 mm 0.376 mm 0.387 mm 84. MOJAVE12 NG 1984.11.01-07:59:13.896 0.013 mm 0.377 mm 0.388 mm 85. MOJAVE12 EG 1984.11.01-07:59:13.896 0.007 mm 0.376 mm 0.387 mm 86. MOJAVE12 NG 1984.11.01-15:59:13.896 0.009 mm 0.422 mm 0.434 mm 87. MOJAVE12 EG 1984.11.01-15:59:13.896 0.003 mm 0.422 mm 0.434 mm 88. VNDNBERG 7223 PCFC X Comp -2678094900.57 mm 146.432 mm 17.358 mm 17.856 mm 89. VNDNBERG 7223 PCFC Y Comp -4525450847.12 mm -347.116 mm 35.487 mm 36.505 mm 90. VNDNBERG 7223 PCFC Z Comp 3597410189.11 mm -226.894 mm 25.080 mm 25.800 mm VNDNBERG 7223 U Comp 55.91 mm 55.906 mm 45.760 mm 37.971 mm VNDNBERG 7223 E Comp 302.80 mm 302.801 mm 7.490 mm 6.215 mm VNDNBERG 7223 N Comp -314.00 mm -314.005 mm 6.288 mm 5.217 mm 91. VNDNBERG CL 0 1984.10.31-16:00:13.896 3346.308 ns 0.201 ns 0.207 ns 92. VNDNBERG CL 1 1984.10.31-16:00:13.896 225.899 D-14 2.540 D-14 2.613 D-14 93. VNDNBERG CL 2 1984.10.31-16:00:13.896 3.426 D-14/day 3.231 D-14/day 3.324 D-14/day 94. VNDNBERG BR 0 1984.11.01-08:18:55.632 0.567 ns 0.431 ns 0.443 ns 95. VNDNBERG BR 1 1984.11.01-08:18:55.632 -6.772 D-14 6.607 D-14 6.797 D-14 96. VNDNBERG BR 2 1984.11.01-08:18:55.632 -15.379 D-14/day 13.694 D-14/day 14.087 D-14/day 122. VNDNBERG AT 0 1984.10.31-16:00:13.896 3.804 ps 104.351 ps 107.344 ps VNDNBERG Atm 1984.11.01-04:30:46.080 Avg: -6.965 ps Rms: 25.487 ps Tot_Rms: 26.421 ps || Nat: 102 Dura: 87962.0 sec Tzd_avg: 7955.9 Tzd_rms: 21.7 Wzd_avg: 254.5 Wzd_rms: 26.4 ps Prs_avg: 101544. Pa Tem_avg: 14.8 C Stm_avg: -0.2 C Stm_rms: 1.1 K Spr_avg: 72. Spr_rms: 39. Pa 198. VNDNBERG NG 1984.10.31-15:59:13.896 0.001 mm 0.422 mm 0.434 mm 199. VNDNBERG EG 1984.10.31-15:59:13.896 -0.016 mm 0.421 mm 0.433 mm 200. VNDNBERG NG 1984.10.31-23:59:13.896 0.014 mm 0.377 mm 0.388 mm 201. VNDNBERG EG 1984.10.31-23:59:13.896 0.029 mm 0.376 mm 0.387 mm 202. VNDNBERG NG 1984.11.01-07:59:13.896 -0.003 mm 0.377 mm 0.388 mm 203. VNDNBERG EG 1984.11.01-07:59:13.896 -0.010 mm 0.376 mm 0.387 mm 204. VNDNBERG NG 1984.11.01-15:59:13.896 -0.003 mm 0.422 mm 0.434 mm 205. VNDNBERG EG 1984.11.01-15:59:13.896 -0.016 mm 0.422 mm 0.434 mm 206. YUMA 7894 NOAM X Comp -2196778108.00 mm -33.001 mm 28.450 mm 29.266 mm 207. YUMA 7894 NOAM Y Comp -4887336877.13 mm 340.874 mm 63.027 mm 64.835 mm 208. YUMA 7894 NOAM Z Comp 3448425326.47 mm 62.466 mm 42.707 mm 43.932 mm YUMA 7894 U Comp -215.61 mm -215.611 mm 80.116 mm 66.479 mm YUMA 7894 E Comp -169.85 mm -169.849 mm 8.812 mm 7.312 mm YUMA 7894 N Comp 214.12 mm 214.125 mm 10.462 mm 8.681 mm 209. YUMA CL 0 1984.10.31-16:00:13.896 -23273.268 ns 0.549 ns 0.565 ns 210. YUMA CL 1 1984.10.31-16:00:13.896 -189.883 D-14 2.161 D-14 2.223 D-14 211. YUMA CL 2 1984.10.31-16:00:13.896 -6.760 D-14/day 1.872 D-14/day 1.926 D-14/day 237. YUMA AT 0 1984.10.31-16:00:13.896 150.652 ps 185.628 ps 190.953 ps YUMA Atm 1984.11.01-04:30:46.080 Avg: 181.359 ps Rms: 14.167 ps Tot_Rms: 181.911 ps || Nat: 109 Dura: 87962.0 sec Tzd_avg: 7649.1 Tzd_rms: 26.5 Wzd_avg: 196.8 Wzd_rms: 37.7 ps Prs_avg: 98419. Pa Tem_avg: 18.1 C Stm_avg: -1.1 C Stm_rms: 1.9 K Spr_avg: 273. Spr_rms: 59. Pa 313. YUMA NG 1984.10.31-15:59:13.896 0.007 mm 0.422 mm 0.434 mm 314. YUMA EG 1984.10.31-15:59:13.896 0.002 mm 0.422 mm 0.434 mm 315. YUMA NG 1984.10.31-23:59:13.896 -0.002 mm 0.377 mm 0.388 mm 316. YUMA EG 1984.10.31-23:59:13.896 -0.007 mm 0.377 mm 0.388 mm 317. YUMA NG 1984.11.01-07:59:13.896 -0.010 mm 0.377 mm 0.388 mm 318. YUMA EG 1984.11.01-07:59:13.896 0.003 mm 0.377 mm 0.388 mm 319. YUMA NG 1984.11.01-15:59:13.896 -0.006 mm 0.422 mm 0.434 mm 320. YUMA EG 1984.11.01-15:59:13.896 0.012 mm 0.422 mm 0.434 mm Atmosphere Constraint Statistics 1. MOJAVE12 Input 50.00 ps/h RMS 11.37 ps/h NRMS 0.23 share 0.88 count 76 3. VNDNBERG Input 50.00 ps/h RMS 12.22 ps/h NRMS 0.24 share 0.89 count 76 4. YUMA Input 50.00 ps/h RMS 8.51 ps/h NRMS 0.17 share 0.96 count 76 Overall RMS 10.82 ps/h NRMS 0.22 share 0.91 count 228 Gradient Constraint Statistics 1. MOJAVE12 Input 2.00 mm/d RMS 0.06 mm/d NRMS 0.03 share 0.54 count 8 3. VNDNBERG Input 2.00 mm/d RMS 0.08 mm/d NRMS 0.04 share 0.54 count 8 4. YUMA Input 2.00 mm/d RMS 0.03 mm/d NRMS 0.01 share 0.54 count 8 Overall RMS 0.06 mm/d NRMS 0.03 share 0.54 count 24 Clock Constraint Statistics 3. VNDNBERG Input 5.00 D-14 RMS 1.63 D-14 NRMS 0.33 share 0.36 count 26 4. YUMA Input 5.00 D-14 RMS 3.85 D-14 NRMS 0.77 share 0.54 count 26 Overall RMS 2.96 D-14 NRMS 0.59 share 0.45 count 52 321. UT1-TAI 1, 1984.11.01-04:13:00.000 -2.1273 ms/d -559.18 micros/d 1106.49 micros/d 1138.23 micros/d EOP epoch (TDT) MJD: 46005.176067 NUT epoch (TDT) MJD: 46005.143732 322. Nutation DPSI wrt apriori model 1984.11.01-04:13:15.816 16.902 mas 15901.1 microasec 16357.2 microasec