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Determination of Earth Orientation Parameters from VLBI and comparison with other space geodetic techniques

Urheber*innen

Laha,  Arnab
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Böhm,  Johannes
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Böhm,  Sigrid
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Dikshit,  Onkar
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Balasubramanian,  Nagarajan
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Zitation

Laha, A., Böhm, J., Böhm, S., Dikshit, O., Balasubramanian, N. (2023): Determination of Earth Orientation Parameters from VLBI and comparison with other space geodetic techniques, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-1671


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017930
Zusammenfassung
>Very Long Baseline Interferometry (VLBI) is the only space geodetic technique that provides the full set of Earth Orientation Parameters (EOP), which are required to transform terrestrial reference frames to celestial reference frames and vice-versa with high accuracy. The purpose of this study is to generate long EOP time series using the Vienna VLBI and Satellite Software (VieVS) with different settings and parametrizations, such as the representations of EOP with piecewise linear offsets and the time intervals of estimation or the handling of the constraints on stations and sources. A special focus will be put on VLBI Global Observing System (VGOS) sessions and the differences with respect to EOP from legacy X/S band sessions. The study will also focus on comparing and combining different space geodetic techniques at the solution level to analyse EOP and to produce single EOP time series.</p>