Architecture and Performance of a Real Time Differential GPS Ground Station

R. N. Turner, F. van Graas, A. J. Van Dierendonck, Q. D. Hua

Abstract:	Tho NAVSTAR Global Positioning System (GPS) is a satellite based navigation system that can be operated in a differential mode. The basic concept of differential GPS is to have a local ground station at a known location. The ground station continuously determines bias corrections based ori the received satellite signals and transmits these corrections to local users. This allows the user to improve significantly their estimate of position. The architecture of a real time differential GPS ground station based on two STI (Stanford Telecommunications, Inc.) single-channel GPS receivers is presented. Receiver requirements arc described, together with the receiver architectures. Real time operation results are presented for recent data collected from six satellites.
Published in:	Proceedings of the 42nd Annual Meeting of The Institute of Navigation (1986) June 24 - 26, 1986 Seattle, Washington
Pages:	61 - 69
Cite this article:	Turner, R. N., van Graas, F., Van Dierendonck, A. J., Hua, Q. D., "Architecture and Performance of a Real Time Differential GPS Ground Station," Proceedings of the 42nd Annual Meeting of The Institute of Navigation (1986), Seattle, Washington, June 1986, pp. 61-69.
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