Hi The whole issue of who is what goes back to some very obscure laws / rules passed quite a long time ago. It’s been a matter of debate (usually with beer involved) for quite a while.
Bob > On Aug 29, 2018, at 9:24 PM, Steve Allen <s...@ucolick.org> wrote: > > On Wed 2018-08-29T19:49:59-0400 Bob kb8tq hath writ: >> A few more details about “traceability”. USNO is by statute the official >> source of time for the US. > > I suggest reading Matsakis, Levine, and Lombardi from this year's PTTI > meeting. > USNO and NIST are both legal sources for the US. > The USNO site currently has a broken SSL cert, but the paper is also here > https://www.researchgate.net/publication/323600621_Metrological_and_legal_traceability_of_time_signals > > -- > Steve Allen <s...@ucolick.org> WGS-84 (GPS) > UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855 > 1156 High Street Voice: +1 831 459 3046 Lng -122.06015 > Santa Cruz, CA 95064 http://www.ucolick.org/~sla/ Hgt +250 m > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
