Multi-flight Phase GPS Navigation Filter Performance Using Extreme Ultra-violet Explorer Satellite Downlisted GPS Data

Young W. Park, Kevin A. Lee, Moises N. Montez

Abstract:	A full utilization of accurate GF’S measurements for space transportation vehicle onboard navigation requires a precise modeling of both dynamic and observation sample spaces that are flight phase dependent. This paper discusses the results of a multi-flight-phase navigation filter development and testing for space-borne applications. Real- world GPS measurements collected from the Extreme Ultra-Violet Explorer (EUVE) satellite were used to demonstrate ground orbit determination quality filter performance. The filter is a nineteen-state Extended Kalman filter modeling axis-dependent time-correlated random accelerations in radial, downrange, and crossrange coordinates. A pseudo-range and carrier phase measurement combining technique was explored to process single frequency GPS measurements. Despite adverse conditions such as single frequency measurements and low data rates, this filter’s solutions compared surprisingly well with both differential GPS solutions and TDRSS based definitive solutions that were generated independently.
Published in:	Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993) September 22 - 24, 1993 Salt Palace Convention Center Salt Lake City, UT
Pages:	365 - 377
Cite this article:	Park, Young W., Lee, Kevin A., Montez, Moises N., "Multi-flight Phase GPS Navigation Filter Performance Using Extreme Ultra-violet Explorer Satellite Downlisted GPS Data," Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993), Salt Lake City, UT, September 1993, pp. 365-377.
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