THE NIST DIGITAL TIME SERVICE

J. Levine, M. Weiss, D.D. Davis, D.W. Allan, D.B Sullivan

Abstract: The NIST Digital Time Service is designed to provide computers with telephone access to time generated by the National Institute of Standards and Technology (NIST, formerly the National Bureau of Standards) at accuracies approaching 1 us. Features of the service include automated estimation by the transmitter of the telephone-line delay, advanced alert for changes to and from daylight saving time and advanced notice of insertion of leap seconds. The ASCII-character titue code operates with most standard modems and computer systems. The system can be used to set computer clocks and simple hardware can also be developed to set non-computer clock systems.
Published in: Proceedings of the 21th Annual Precise Time and Time Interval Systems and Applications Meeting
November 28 - 30, 1989
Sheraton Hotel
Redondo Beach, California
Pages: 181 - 190
Cite this article: Levine, J., Weiss, M., Davis, D.D., Allan, D.W., Sullivan, D.B, "THE NIST DIGITAL TIME SERVICE," Proceedings of the 21th Annual Precise Time and Time Interval Systems and Applications Meeting, Redondo Beach, California, November 1989, pp. 181-190.
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