[time-nuts] What is NIST "official time" ?

Christopher Quarksnow cquarksnow at gmail.com
Thu Aug 4 14:16:39 UTC 2011


Wondering whether anyone can clarify what discipline the Boulder, CO NIST
facility is broadcasting (or showing on time.gov) and qualified as "The
official U.S. time".
It appears to be about 20 seconds slower than UTC and I could not find the
relation to other known time scales such as TAI, UTC, ET, UT1, GPS or
possibly grid or broadcast-interconnected reference.

Thanks !



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