Error Characteristics of GPS Differential Positions and Velocities

James R. Clynch, Gary Thurmond, Leslie Rosenfeld and Richard Schramm

Abstract:	Differential GPS soiutions‘fomxed using the RTCM- 104 format are analyzed. to determine the chamcteristics of the errors in both position and velocity. The data were taken at fixed, known locations up to 4 km apart Trimble and Ashtech systems were used as reference stations and Ashtech, Magnavox, and Trimble receivers were used as xemotes. Differential correction ages from 7 to 80 set were studied. Error characteristics as a function of age of corrections and PDOP are shown. Temporal characteristics and distribution functions axe also given.
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:	969 - 978
Cite this article:	Clynch, James R., Thurmond, Gary, Rosenfeld, Leslie, Schramm, Richard, "Error Characteristics of GPS Differential Positions and Velocities," Proceedings of the 5th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1992), Albuquerque, NM, September 1992, pp. 969-978.
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