Disciplined Rubidium Oscillator With GPS Selective Availability

Wayne P. Dewey

Abstract: A U.S. Department of Defense decision for continuous implementation of GPS Selective Availability (S/A) has made it necessary to modify Rubidium oscillator disciplining methods. One such method for reducing the &ts of S/A on the oscillator disciplining process has been developed which achieves results approaching pre-S/A GPS. This paper describes the Satellite Hopping algorithm used in minimizing the effects of S/A on the oscillator disciplining process, and compares the results of using this process to those obtained prior to the implementation of S/A. Test results are from a True Time Rubidium based Model GPS-DC timing receiver.
Published in: Proceedings of the 24th Annual Precise Time and Time Interval Systems and Applications Meeting
December 1 - 3, 1992
Ritz-Carlton Hotel
McLean, Virginia
Pages: 163 - 172
Cite this article: Dewey, Wayne P., "Disciplined Rubidium Oscillator With GPS Selective Availability," Proceedings of the 24th Annual Precise Time and Time Interval Systems and Applications Meeting, McLean, Virginia, December 1992, pp. 163-172.
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