At 10:16 AM 8/4/2011, Christopher Quarksnow wrote...
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.
NIST broadcasts UTC, they even say so in the broadcast - "At the
tone...Coordinated Universal Time".
http://www.nist.gov/pml/div688/grp40/wwv_format.cfm
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