Hi Mark,
I doubt if the counter is off frequency, since I'm using the 1pps pulses
from my GPSDO as its timebase. So although there's a bit of short-term
jitter, the longer-term count should be very close.
I will try the experiment you suggest, though, and see what difference
inversion makes to the frequency swing before locking (or non-locking).
Thanks,
-----Original Message-----
From: Mark Sims
Sent: Sunday, February 09, 2014 4:37 PM
To: [email protected]
Subject: [time-nuts] How I got my FE-5680A to lock in Sydney, Australia
What was the timebase for your counter? I suspect that it is off freq and
the Rb is not actually making it above 10 MHz. Inverting the Rb is causing
a 2G shift in gravity to the Rb crystal probably shifting its freq enough to
cause lock.
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