Hi Gary, Your ADEV plots differ from mine by orders of magnitude. Remember this is time-nuts, not an NTP or a GPSD forum. The Adafruit GPS board is fine, even fantastic. But I suspect there are issues with your measurement techniques.
I'm happy to help, but let's take this off-list. Thanks, /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.