Technique for the use of GPS for high orbiting satellites

Details Technique for the use of GPS for high orbiting satellites Technique for the use of GPS for high orbiting satellites

1997-06-11

1999-08-10

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Navigation

Space orbits or paths

701213, 701 13, 244158R, 342357, G01S 502

Patent

active

059351969

ABSTRACT:
The present invention is directed toward a navigation system and method for a high orbit spacecraft, which passively utilizes UHF signals carrying intersatellite ranging data transmitted by a constellation of satellites that travel in lower orbits around a celestial sphere. The navigation system enables the high orbit spacecraft to self locate its position relative to an earth centered coordinate frame and comprises a receiver for receiving the UHF signals carrying the intersatellite ranging data and a Kalman or optimum filter coupled to the receiver for processing the ranging data received by the receiver and generating and updating spacecraft position data.

REFERENCES:
patent: 5267167 (1993-11-01), Glickman
patent: 5490076 (1996-02-01), Rawicz et al.
patent: 5506781 (1996-04-01), Cummiskey et al.
patent: 5528502 (1996-06-01), Wertz
patent: 5717404 (1998-02-01), Malla

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