Work

Assessment of performance of first VGOS operational sessions scheduled with source-centric approach

Year: 2026

Type: article

Abstract: The new Very Long Baseline Interferometry (VLBI) Global Observing System (VGOS) started regular observations in 2019. In our previous studies, based on the analysis of then available VGOS data, the high potential of the data for the geodetic and astrometric products has been shown. Since July 2025 the new source-centric scheduling approach for the operational VGOS sessions (VS) has been tested by the International VLBI Service for Geodesy and Astrometry. In this contribution, we assess the performance of the available VS sessions (2025.5 - 2026.0) and evaluate the precision and accuracy of the resulting geodetic parameters with respect to parameters from the established operational VGOS sessions (VO).

DOI: 10.5281/zenodo.19051762

Authors: Krásná, Hana, Schartner, Matthias, Charlot, Patrick, Jacobs, Christopher S.

Institutions: TU Wien, ETH Zurich, Laboratoire d'Astrophysique de Bordeaux, Jet Propulsion Laboratory

Language: English

Topic: GNSS positioning and interference

Subfield: Aerospace Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

OpenAlex ID: W7136348972

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