On Sun 2020-11-29T11:06:18+1300 donald collie hath writ: > Can any group member describe the onboard frequency reference[s] used in > the Voyager space probes? They have done extremely well over the decades - > are they Cesium?, Rubidium?, Quartz?
The ultra stable oscillators USOs are crystals http://adsabs.harvard.edu/full/2004ESASP.544..131A One of them has failed, and they were never always on, in which case the aux osc are other crystals https://descanso.jpl.nasa.gov/DPSummary/Descanso4--Voyager_new.pdf -- Steve Allen <[email protected]> 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 -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
