Delay Stability of the TWSTFT Earth Station at VSL

Gerrit de Jong

Abstract: Frequency and time transfer methods on the stability of the propagation time of the signals through the systems involved. For TWSTFT the stability of the delays encountered in the earth station by the transmission of the local 1 PPS signal, as well as that of the received remote 1 PPS signal, determines the uncertainty at sub-nanosecond level for such transfers. The characteristics of the TWSTFT earth station at NMi Van Swinden Laboratorium (VSL) based on data accumulated with its automated delay measurement system during about one year are presented and discussed in more detail. Delay stabilities TDEV of 100 ps of tau = 1 h of 50 d are obtained, and frequency stabilities ADEV of 2.2 E-15 for tau = 1 d.
Published in: Proceedings of the 29th Annual Precise Time and Time Interval Systems and Applications Meeting
December 2 - 4, 1997
Sheraton Long Beach Hotel
Long Beach, California
Pages: 241 - 252
Cite this article: de Jong, Gerrit, "Delay Stability of the TWSTFT Earth Station at VSL," Proceedings of the 29th Annual Precise Time and Time Interval Systems and Applications Meeting, Long Beach, California, December 1997, pp. 241-252.
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