Analysis of Methods for the Combination of the Regional Central European GPS Network With the Global IGS Network

Mieczyslaw Piraszewski and Mariusz Figurski

Abstract:	Since beginning of 1995 the CODE Processing Centre and the Institute of Geodesy and Geodetic Astronomy of Warsaw University of Technology entered into cooperation aimed at testing different processing methods for the Polish IGS network consisting of 3 permanent IGS stations: Jbzefoslaw, Borowiec and Lamkbwko. The connection to the global reference frame is conducted by processing 4 additional European IGS stations: Wettzell, Kootwijk, Metsahovi and Onsala. The results of four different processing strategies are compared with the results achieved by CODE from the global network. The experiment is a practicable test of idea of IGS regional data processing expected to be performed by IGS Associated Analysis Centre Type I. The result from these experiments has been very interesting. Looking for it we decided to start permanent services. Since beginning of the 1996 processing centre located in the Institute of Geodesy and Geodetic Astronomy Warsaw University of Technology started to permanent work as Regional Data Processing Centre in EUREF Project and also as IGS Associated Analysis Centre Type I. Day to day data from 5 Central European Stations (Innsbruck, Pent, Borowiec, Jozefoslaw, Lamkowko) are computed using CODE precise orbits and also data from 5 additional IGS stations (Wettzell, Kootwijk, Metsahovi, Matera and Onsala), Results of it are sent to CODE Centre. Particular attention is paid to the impact of the orbits (CODE vs. IGS) and the influence of the troposphere parameter estimation on the station coordinates. The results of data processing using various computation strategies as well as results of combination with global solution are presented.
Published in:	Proceedings of the 9th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1996) September 17 - 20, 1996 Kansas City, MO
Pages:	1837 - 1844
Cite this article:	Piraszewski, Mieczyslaw, Figurski, Mariusz, "Analysis of Methods for the Combination of the Regional Central European GPS Network With the Global IGS Network," Proceedings of the 9th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1996), Kansas City, MO, September 1996, pp. 1837-1844.
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