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Konferenzbeitrag

ITRF2020 in the ILRS Operational Products: implementation, reanalysis and future perspectives

Urheber*innen

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

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

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

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

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

Kuzmicz-Cieslak,  Magdalena
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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

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

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Zitation

Sarrocco, D., Luceri, V., Blossfeld, M., Pavlis, E., Basoni, A., Kuzmicz-Cieslak, M., Evans, K., Bianco, G. (2023): ITRF2020 in the ILRS Operational Products: implementation, reanalysis and future perspectives, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-2783


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019101
Zusammenfassung
The International Laser Ranging Service contributed to the development of the ITRF2020 by providing combined 15-daily and weekly solutions to the IERS ITRS CCs (International Terrestrial Reference System Combination Centers of the International Earth Rotation and Reference Systems Service). These products were generated by combining the individual ILRS Analysis Center time series contributions (1983-2020) using a new approach in handling the systematic errors,that ILRS recently implemented.A set of mean range biases was estimated and pre-applied to the station observations for the LAGEOS and Etalon satellites used in generating the solutions. The new approach has proven to give an enhanced ILRS contribution to ITRF reflected,in particular, in the scale of the resulting reference frame. The extended Station Systematic Errors Monitoring (SSEM-X) is now a standard and routine activity of the ILRS Analysis Standing Committee, as an extension of the SSEM model used in ITRF2020 and will contribute to its maintenance over the coming years. The model is applied to all the operational ILRS products implementing ITRF2020/SLRF2020. A complete re-analysis of data, spanning 1993-2022, using the ITRF2020/SLRF2020 model and the new IERS EOP20C04 series (consistent with ITRF2020) will be generated in early 2023 to make available to the community a complete and consistent series of weekly TRF solutions. A further enhancement of the SLR products is expected with the introduction of LARES-2 as the fifth satellite contributing to the standard ILRS operational products. An overview of the ILRS contribution to ITRF2020,the current status of the ILRS operational products and the future perspectives will be presented.