Hi That’s not the *accuracy* of the crystal mind you. That’s how close you do the zero beat to something else that is more accurate. The crystal is out in the open and it drifts quite a bit as the unit warms up or changes temperature due to being moved around.
Bob > On Feb 12, 2017, at 6:11 PM, Dan Rae <dan...@verizon.net> wrote: > > To put BC-221 things in perspective, the 1 Mc/s reference crystal was > adjusted, according to the manual, to within 5 c/s... > > Things have come a ways since! > > Dan > > > _______________________________________________ > 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. _______________________________________________ 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.