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VLBI observations of GNSS-satellites: from scheduling to analysis

Plank, L ORCID: 0000-0002-7563-9488, Hellerschmied, A, McCallum, J ORCID: 0000-0002-0233-6937, Bohm, J and Lovell, J ORCID: 0000-0001-5273-9817 2017 , 'VLBI observations of GNSS-satellites: from scheduling to analysis' , Journal of Geodesy, vol. 91, no. 7 , pp. 867-880 , doi: 10.1007/s00190-016-0992-8.

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The possibility of observing satellites with the very long baseline interferometry (VLBI) technique has been discussed for several years in the geodetic community, with observations of either existing satellites of the global navigation satellite systems or of satellites dedicated to realise a space tie. Such observations were carried out using the Australian telescopes in Hobart and Ceduna which, for the first time, integrated all the necessary steps: planning the observations (automated scheduling), correlation of the data and the generation of a series of time delay observables suitable for a subsequent geodetic analysis. We report on the development of new and the adaptation of existing routines for observing and data processing, focusing on technology development. The aim was to use methods that are routinely used in geodetic VLBI. A series of test experiments of up to six hours duration was performed, allowing to improve the observations from session to session and revealing new problems still to be solved. The newly developed procedures and programs now enable more observations. Further development assumed, this bears the prospect of being directly applied to the observation of dedicated space-tie satellites.

Item Type: Article
Authors/Creators:Plank, L and Hellerschmied, A and McCallum, J and Bohm, J and Lovell, J
Keywords: space tie, co-location in space, very long baseline interferometry, vlbi satellite tracking, global navigation satellite systems, GNSS
Journal or Publication Title: Journal of Geodesy
Publisher: Springer-Verlag
ISSN: 0949-7714
DOI / ID Number: 10.1007/s00190-016-0992-8
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Copyright 2017 the authors

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