Synopsis of VTD control file language ( 2023.03.14 ) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ LEAP_SECOND: [leap_second_file_name or NERS] DE403_EPHEMERIDES: planetary_ephemerides_file_name STATION_DESCRIPTION: station_description_file_name STATION_COORDINATES: station_coordinates_file_name STATION_VELOCITIES: station_velocities_file_name STATION_ECCENTRICITIES: station_eccentricities_file_name SOURCE_COORDINATES: source_coordinates_file_name SOURCE_COORDINATES: [source_coordinates_file_name_2 or NONE] SOURCE_COORDINATES: [source_coordinates_file_name_3 or NONE] SOURCE_COORDINATES: [source_coordinates_file_name_4 or NONE] SOURCE_PRLX_PRP_MOTION: [source_parallax_and_proper_motion_file or NONE] AEM_FILE: aem_file_name or NONE ERM_FILE: erm_file_name or NONE HARMONIC_EOP_FILE: [NONE or NERS or file_name] EOP_SERIES: [NONE or NERS or ners_configuration_file or earth_orientation_parameters_file] EOP_TIME_SCALE: time_scale_of_eop_table UZT_MODEL: [NONE or NERS or DICKMAN1993 or DICKMAN1993_PRINCIPAL or DICKMAN1993_SHORT] UZT_USE: [NONE or NERS or ADD or INTERPOLATE or SUBTRACT] EROT_COMPAT: [NONE or NERS or CALC10 or NO_SANG] PRECESSION_EXPRESSION: precession_model_name NUTATION_EXPANSION: nutation_expansion_name GEODESIC_NUTATION usage_flag SOLID_EARTH_TIDES_ZERO_FREQ: Love_model_name SOLID_EARTH_TIDES_2ND_DEGREE: Love_model_name SOLID_EARTH_TIDES_3RD_DEGREE: Love_model_name POLE_TIDE_MODEL: Love_model_name MEAN_POLE_MODEL: expression_id POSVAR_FIL: model_index model_file_name POSVAR_MOD: model_index model_type POSVAR_INT: model_index interpolation_type POSVAR_USE: model_index usage_flag AXIS_OFFSET_MODEL: usage_flag ANTENNA_DEFORMATIONS_FILE: [NONE or agd_file] ANTENNA_THERMAL_EXPANSION NONE or [MODEL antenna_information_file INSITU [NONE or insitu_file] TEMPERATURE [METEO or SPD] LAG time_in_seconds] METEO_DEF model HYDROSTATIC_ZENITH_DELAY: [NONE or zenith_delay_path_model_name or MMF mmd_model_file ] WET_ZENITH_DELAY: [NONE or zenith_delay_path_model_name] HYDROSTATIC_MAPPING_FUNCTION: [NONE or mapping_function_name or [MMF mmf_mode file] ] WET_MAPPING_FUNCTION: [NONE or mapping_function_name or [MMF mmf_mode file] or external_delay_dir ] ATMOSPHERE_TILT_PARTIALS: tilt_partials SLANT_PATH_DELAY [SPD_3D or NONE] ATMOSPHERE_PATH_DELAY_PARTIAL [NONE or NMW or NMF or IONO_350 or IONO_400 or IONO_450 or IONO_500 or TOTAL_SCALE or TOTAL_WATER or (GAUSSIAN_LAYER [layer_height layer_fwhm])] EXTERNAL_DELAY_DIR [NONE or directory_name] EXTERNAL_DELAY_DIR_2ND [NONE or directory_name] EXTERNAL_DELAY_DIR_3RD [NONE or directory_name] EXTERNAL_DELAY_DIR_4TG [NONE or directory_name] IONOSPHERE_MODEL: [NONE or GNSS_TEC_MAP] IONOSPHERE_SCALE: value SOU_DEBIAS_MODEL: [None value] IONOSPHERE_DATA_FILE: [NONE or file name] IONOSPHERE_DATA_FILE_2ND: [NONE or file_name] IONOSPHERE_DATA_FILE_3RD: [NONE or file_name] IONOSPHERE_DATA_FILE_4TH: [NONE or file_name] IONOSPHERE_DATA_FILE_5TH: [NONE or file_name] IONOSPHERE_DATA_FILE_6TH: [NONE or file_name] IONOSPHERE_DATA_FILE_8TH: [NONE or file_name] GRS_METRIC: metric_identifier TROP_AXOF_COUPLING: usage_flag TROP_GEOMETRIC_COUPLING: usage_flag PARALLACTIC_ANGLE: usage_flag GALACTIC_ABERRATION: usage_flag GEOM_EXPR_FAR_ZONE: model_name GEOM_EXPR_NEAR_ZONE: model_name SOURCE_STRUCTURE: control_file_name DOPPLER_EXPR: model_name DELAY_RATE: YES or NONE Notation: ~~~~~~~~~ The symbols used to describe the control file's syntax have the following meanings: {} - contents of braces are optional [] - contents of brackets are mandatory Contact: ~~~~~~~~ Questions and comments about this guide should be directed to: Leonid Petrov ( http://astrogeo.org/petrov )