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Potential GPS user architecture for the NASA Space Station based on Landsat 4/5 experienceA Landsat 4/5 GPS system is described which uses an inertial reference attitude control system and precision real-time ephemeris generation to achieve precision earth pointing. The system has application to the validation of the use of GPS for the low earth orbit navigation of the Space Station. The present system consists of a receiver/processor assembly (R/PA), an L-band GPS antenna, a precision oscillator, and the Landsat computer. The R/PA is integrated with a GPS receiver which selects, acquires, tracks, times, and decodes navigation signals from GPS satellites in order to derive ephemerides. Ephemeris estimates were found to be accurate to better than 50 meters.
Document ID
19880050171
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Korenstein, David A.
(General Electric Co., Astro-Space Div., Philadelphia PA, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1987
Subject Category
Space Communications, Spacecraft Communications, Command And Tracking
Accession Number
88A37398
Funding Number(s)
CONTRACT_GRANT: NAS5-25300
Distribution Limits
Public
Copyright
Other

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