On Mon 2019-03-25T18:44:05-0400 John Ackermann N8UR hath writ: > Does anyone have a pointer to information about the absolute time accuracy > (not stability) that was available via PZT or other techniques prior to the > Cesium definition? I'm doing a presentation and want to show the evolution > of accuracy. My Google-fu has failed me in finding anything pre-Atomic.
https://www.ucolick.org/~sla/leapsecs/annastoyko.html -- 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 _______________________________________________ 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.
