Hi That’s unexpected on an OCXO that may have been power off for a decade or more. Let it run for a month and see how it’s doing then.
Bob > On Dec 2, 2019, at 2:30 PM, AC0XU (Jim) <james.schatz...@ac0xu.com> wrote: > > Time Gurus- > > I have a FPS 1150A quartz oscillator with the 1 PPS disciplining option. With > the frequency control set to "manual" I can use the digital thumbwheel > control to set 10 MHz correctly. However, for two weeks there has been a > steady drift upwards of about 2E-10 per day. I have not seen this behavior in > other similar oscillators - the magnitude of the drift seems greater than > expected. Any ideas what could be happening? I have no idea how long the > unit was unpowered before I got it - it needed repairs - it may have been > years. Is this normal? Should I expect the drift to decrease over time? Etc? > > Thanks! > > Jim > > > _______________________________________________ > 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. _______________________________________________ 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.
