High-Accuracy Global Time and Frequency Transfer With a Space-Borne Hydrogen Maser Clock

R. Decher, D.W. Allan, C.O. Alley, C. Baugher, B.J. Duncan, R.F.C. Vessot, G.M.R. Winkler

Abstract: This paper describes a proposed system for high-accuracy global time and frequency transfer using a hydrogen maser clock in a -14 space vehicle. Direct frequency transfer with an accuracy of 10 and time transfer with an estimated accuracy of 1 nsec are provided by a 3-link microwave system. A short pulse laser system is included for subnanosecond time transfer and system calibration. The basic concept of such a system was discussed at the 1980 PTTI Meeting. This paper presents the results of further studies including operational aspects, error sources, data flow, system configuration, and implementation requirements for an initial demonstration experiment using the Space Shuttle.
Published in: Proceedings of the 14th Annual Precise Time and Time Interval Systems and Applications Meeting
November 30 - 3, 1982
NASA Goddard Space Flight Center
Greenbelt, Maryland
Pages: 205 - 221
Cite this article: Decher, R., Allan, D.W., Alley, C.O., Baugher, C., Duncan, B.J., Vessot, R.F.C., Winkler, G.M.R., "High-Accuracy Global Time and Frequency Transfer With a Space-Borne Hydrogen Maser Clock," Proceedings of the 14th Annual Precise Time and Time Interval Systems and Applications Meeting, Greenbelt, Maryland, November 1982, pp. 205-221.
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