[time-nuts] Z3801A going into Holdover
Mike Seguin
n1jez at burlingtontelecom.net
Fri Jun 21 12:09:11 UTC 2019
I have a weird one with my Z3801A. Screen shot from GPSCon attached. You
can see the EFC excursion... Maybe the oven in the OCXO is acting up???
Mike
On 6/20/2019 10:25 PM, Mark Sims wrote:
> A few months ago, my 3801A started doing this. It was tracking sats well (several years ago I had to replace the receiver because it had lots of problems acquiring and tracking sats). I swapped in a replacement 10811 OCXO and that fixed the problem.
>
> Apparently the problem with the receiver not tracking sats is usually due to the oscillator on the receiver drifting out of spec. Some of them have an adjustment screw...
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--
73,
Mike, N1JEZ
"A closed mouth gathers no feet"
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