Geodetic data analysis of VGOS experiments

Very Long Baseline Interferometry (VLBI) serves as one of the common geodetic methods to define the global reference frames and monitor Earth’s orientation variations. The technical upgrade of the VLBI method known as the VLBI Global Observing System (VGOS) includes a critical re-design of the observed frequencies from the dual band mode (S and X band, i.e. 2 GHz and 8 GHz) to observations in a broadband (2 – 14 GHz). Since 2019 the first VGOS experiments are available for the geodetic analysis in free access at the International VLBI service for Geodesy and Astrometry (IVS). Also regional-only subnetworks such as European VLBI stations have succeeded already in VGOS mode. Based on these brand-new observations we review the current geodetic data analysis workflow to build a bridge between geodetic observed delays derived from different bands.

Walter Alef[1], Yngvild L. Andalsvik[2], James M. Anderson[3, 4], Simone Bernhart[8], Johannes Böhm[6], Johannes Boumann[7], Yoon Kyung Choi[5],

Francisco Colomer[9], Gerald Engelhardt[7], Claudia Flohrer[7], Anastasiia Girdiuk[7], Javier Gonzalez[11], Jakob Franz Gruber[6], Rüdiger Haas[12],

Roger Hammargren[12], Martin Hohlneicher[10], Frederic Jaron[1], Okky S. Jenie[3, 4], Niko Kareinen[13], Laila LØvhØiden[2], Elena Martinez[11], Iván Marti-Vidal[14],

Alexey Melnikov[15], Arno Mueskens[1], Alexander Neidhardt[16], Axel Nothnagel[6], Leonid Petrov[17], Christian Plötz[10], Helge Rottmann[1], Tuomas Savolainen[18],

Matthias Schartner[6], Harald Schuh[4, 3], Torben Schueler[10], Des Small[9], Arpad Szomoru[9], Daniela Thaller[10], Dieter Ullrich[10], Eskil Varenius[12, 19],

Harro Verkouter[9], Pablo De Vicente[11], Jan Wagner[1], Minghui Xu[18], Nataliya Zubko[13]

 

Type Proceeding

Event XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2021

DOI /10.23919/URSIGASS51995.2021.9560322

ISBN  978-1-6654-2995-5

[1] Max-Planck-Institut für Radioastronomie, Bonn, Germany

[2] Norwegian Mapping Authority, Hoenefoss, Norway

[3] Technische Universität Berlin, Berlin, Germany

[4] Department 1: Geodesy, GFZ German Research Centre for Geosciences, Potsdam, Germany

[5] Reichert GmbH, Bonn, Germany

[6] TU Wien, Wien, Austria

[7] The Federal Agency for Cartography and Geodesy (BKG)

[8] Reichert GmbH, Bonn, Germany

[9] Joint Institute for VLBI ERIC, PD Dwingeloo, Netherlands

[10] The Federal Agency for Cartography and Geodesy (BKG)

[11] National Geographical Institute, Yebes, Spain

[12] Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, Onsala, Sweden

[13] Finnish Geospatial Research Institute, National Land Survey of Finland, Helsinki, Finland

[14] University of Valencia, Astronomy and Astrophysics, Burjassot, Spain

[15] Institute of Applied Astronomy of the Russian Academy of Sciences, St Petersburg, Russia

[16] Technical University of Munich, Muenchen, Germany

[17] NASA Goddard Space Flight Center

[18] Department of Electronics and Nanoengineering, Aalto University, Aalto, Finland

[19] Jodrell Bank Centre for Astrophysics, The University of Manchester, Manchester, UK