The Long-Term Stability of the U.S. Naval Observatory's Masers

Demetrios Matsakis, Paul Koppang, R. Michael Garvey

Abstract:	The U. S. Naval Observatory (USNO) currently maintains 20 cavity-tuned hydrogen maser frequency standards at its Washington, DC (USNO-DC) and Alternate Master Clock (USNO-AMC) facilities, of which 13 have been in use for at least 7 years. This paper analyzes and characterizes the long-term frequency behavior of these masers, as observed.
Published in:	Proceedings of the 36th Annual Precise Time and Time Interval Systems and Applications Meeting December 7 - 9, 2004 Hyatt Regency Washington on Capitol Hill Washington, D.C.
Pages:	411 - 422
Cite this article:	Matsakis, Demetrios, Koppang, Paul, Garvey, R. Michael, "The Long-Term Stability of the U.S. Naval Observatory's Masers," Proceedings of the 36th Annual Precise Time and Time Interval Systems and Applications Meeting, Washington, D.C., December 2004, pp. 411-422.
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