USSR NATIONAL TIME UNIT KEEPING OVER LONG INTERVAL USING AN ENSEMBLE OF H-MASERS

N.B.Koshelyaevsky, S.B.Pushkin

Abstract:	Because of lack of official information on the USSR State Time and Frequency Service (STFS) for a long time we shall illuminate it in the first part of this report. The second part of the report will deal with a problem mentioned in a head line. The STFS is responsible for time and frequency measurement unification both in the field of atomic, TA(SU) and UTC(SU) and universal time UT1(SU) over the whole territory of the USSR. The scientific head of STFS is the Main Metrological Center, it is situated in Mendeleevo near Moscow. The National Primary Time and Frequency Standard (NPTFS) of the USSR is the instrumentational basis for independent realization of the national unit of time interval — second in a full agreement with its definition in the SI system and also for the national time scale generation. Then the unit of time interval and time scale information are disseminated to secondary standards (SS), Fig. 1, each of them can keep autonomously the time unit and time scale.
Published in:	Proceedings of the 22th Annual Precise Time and Time Interval Systems and Applications Meeting December 4 - 6, 1990 Sheraton Premiere Hotel Vienna, Virginia
Pages:	97 - 116
Cite this article:	N.B.Koshelyaevsky,, S.B.Pushkin,, "USSR NATIONAL TIME UNIT KEEPING OVER LONG INTERVAL USING AN ENSEMBLE OF H-MASERS," Proceedings of the 22th Annual Precise Time and Time Interval Systems and Applications Meeting, Vienna, Virginia, December 1990, pp. 97-116.
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