Onboard GPS Signal Augmentation for Spacecraft Formation Flying

Tobe Corazzini and Jonathan P. How

Abstract:	Formation flying of multiple vehicles requires accurate information on the relative position and attitude be-tween the vehicles. Carrier Phase Differential GPS ( CDGPS) can provide the necessary accuracy in po-sition and attitude sensing to successfully carry out such missions. In nrissicms with little to no visitril-ity to the NAVSTAR constellation. CDGPS can still be used by augmenting the available signals with on-board transmitters broadcasting the L1 carrier signal modulated by a unique C/A CO(IC. The feasibility of this allgmented GPS system is demonstrated with a two-vehicle formation in an indoor environment.
Published in:	Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998) September 15 - 18, 1998 Nashville, TN
Pages:	1937 - 1946
Cite this article:	Corazzini, Tobe, How, Jonathan P., "Onboard GPS Signal Augmentation for Spacecraft Formation Flying," Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998), Nashville, TN, September 1998, pp. 1937-1946.
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