GASV: A New VLBI Analysis Software for Geodesy and Astrometry
Journal: Research in Astronomy and Astrophysics
Year: 2025

Abstract We present GASV, a novel Python-based software package specifically designed for the analysis of Very Long Baseline Interferometry (VLBI) data. Developed with ease of installation and user-friendliness in mind, GASV supports both pipeline and interactive processing modes. The software processes VLBI baseline delays and rates in standard formats–such as HOPS outputs and NGS card files–to estimate key geodetic and astrometric parameters, including station coordinates, Earth Orientation Pa