ARDS - The Edwards AFB GPS TSPI System

Edward T. Weston, Michael J. Chesebrough, Paul Wtiong

Abstract:	The Advanced Range Data System (ARDS) is the next generation Time Space Positii information (TSPI) system developed by the Air Force Flight Test Center (AFFTC) for use at Edwards AFB and the Utah Test and Training Range (UTTR). It uses Joint Program Office (JPO) and Range Applications Joint Program Office (RAJPO) Global Positioning System (GPS) equipment with AFFTC developed interface, communications, and data processing systems. The ARDS generates real-time trajectories using authorized, differentially corrected GPS data which is inertially aided and has P/Y-code accuracy. Both JPO User Equipment (UE) and RAJPO High Dynamic Instrumentation Set (HDIS) receivers provide data to the ARDS Central Processor (ACP) using a robust, multiple participant capable data link. The ACP uses a Square Root Information Fitter/Smoother to calculate best estimates of trajectory from radar and cinetheodolite data, in addition to GPS and inertial measurements. Two eight-channel reference receivers produce both solution and measurement applicable differential corrections for transmission to the airborne receivers and the ACP. Relocatable ground transmitters supplement the GPS satellite coverage.
Published in:	Proceedings of the 5th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1992) September 16 - 18, 1992 Albuquerque, NM
Pages:	115 - 123
Cite this article:	Weston, Edward T., Chesebrough, Michael J., Wtiong, Paul, "ARDS - The Edwards AFB GPS TSPI System," Proceedings of the 5th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1992), Albuquerque, NM, September 1992, pp. 115-123.
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