On Wed 2019-01-16T08:31:19+0000 Poul-Henning Kamp hath writ: > In message <20190115205243.gb25...@ucolick.org>, Steve Allen writes: > >That evokes a challenge for all time nuts that I can make based on > >reading Bulletin Horaire. > > > >What is the epoch that was used for TAI? > > Isn't that the same one Loran-C used ? 1958-01-01 00:00:00 GMT ?
Nope. The epoch of TAI, and LORAN, and GPS is 1961-01-01T20:00:00 UT2. Or maybe 1961-01-00 UT2. That is when the atomic time scale was set to a specified value. See a few pieces of the way that sausage was made here https://www.ucolick.org/~sla/temporary/taiepoch/ -- 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 https://www.ucolick.org/~sla/ Hgt +250 m _______________________________________________ LEAPSECS mailing list LEAPSECS@leapsecond.com https://pairlist6.pair.net/mailman/listinfo/leapsecs
