Multi-Purpose Time Analyzer and Monitor for Deep Space Network Time Synchronization

J. Gonzalez, Jr., M. Calhoun, S. Cole, R.L. Tjoelker

Abstract:	We report the development of a multi-purpose, automated, and continuously operating Time Analyzer to measure and monitor distributed 1 pps reference signals in the NASA Deep Space Network (DSN). The instrument reports the performance of each 1 pps signal relative to the station master clock and displays time offset and jitter (standard deviation) data for each measurement. The long-term stability of the primary and backup frequency standards are also monitored by measuring time offset data and analyzing over a 24-hour period. The instrument output includes alarms that alert the station operator of anomalies or an out-of-specification condition. All monitor and user displays are developed with Labview and use the LlNUX operating system.
Published in:	Proceedings of the 32th Annual Precise Time and Time Interval Systems and Applications Meeting November 28 - 30, 2000 Hyatt Regency Reston Town Center Reston, Virginia
Pages:	341 - 354
Cite this article:	Gonzalez, J., Jr.,, Calhoun, M., Cole, S., Tjoelker, R.L., "Multi-Purpose Time Analyzer and Monitor for Deep Space Network Time Synchronization," Proceedings of the 32th Annual Precise Time and Time Interval Systems and Applications Meeting, Reston, Virginia, November 2000, pp. 341-354.
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