[time-nuts] Trimble Thunderbolt setup optimization and adding a10811 OCXO

Tom Van Baak tvb at LeapSecond.com
Mon Jul 13 17:48:04 UTC 2009


> Astonishing for me,
> I found that the 10811 does behave better in undisciplined 
> mode for a limited time:

This is to be expected. An undisciplined high-quality OCXO
like a 10811 will be hundreds or thousands of times better
than the raw output of a GPS receiver at short averaging
times. This is why a GPSDO exists; it allows the OCXO to
run almost free for minutes to hours but allows GPS to rule
for long-term.

/tvb





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