> The highest Q I remember seeing were BVA's that reached 2e6 to 3e6 @ 5MHz > > Attila Kinali
Hi Attila, Don't forget about University of Western Australia's multi-decade gift to the world -- whispering gallery Cryogenic Sapphire Oscillator (CSO) -- which have Q near 1e9. http://arxiv.org/pdf/1504.02711.pdf http://www.nict.go.jp/publication/shuppan/kihou-journal/journal-vol57no3_4/journal-vol57no3-4_0204.pdf http://www.armms.org/media/uploads/ARMMS_Oxborrow.pdf /tvb _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
