VLBI Analysis Software pSolve

VLBI Analysis Software pSolve is a set of programs for analyzing very long baseline interferometry observations made under astrometric and geodetic programs. It allows

VLBI Analysis Software pSolve runs under Linux operating system. It consists of 91 programs, 1659 modules of 379 thousand lines of source code written mainly in Fortran.


Description of some algorithms.

  1. Multigroup LSQ method and its generalization.
    Abstract | Full text
  2. Group delay ambiguity resolution algorithm. Full text
  3. Outlier elimination algorithm. Full text
  4. Observations reweighting algorithm UPWEI by Leonid Petrov. Full text
  5. Observations reweighting algorithm MYWAY by John Gipson Full text
  6. Constraints, covariances and chi-square in Solve by John Gipson. Full text


How to get pSolve.

Download Distributive kit psolve-20231222.tar.bz2

For first installation you need INSTALL.txt file.


User documentation related to pSolve.


List of a priori files.

pSolve requires a priori files. You can find below links to the versions of these files maintained by VLBI team of the Goddard Space Flight Center.


Web page was prepared by Leonid Petrov ()
Last update: 2018.06.01_22:19:04