I have an elderly 3801A with some 182,000 hours on the clock, which if
my arithmetic is correct means over twenty years of operation. Since it
has a well aged and remarkably stable OCXO I would like to keep it going
if possible. Recently it has been going into Holdover and staying there
for no reason that I can see, it is fed from the same antenna / splitter
amp combination with a good sky view as eight other GPSDOs here. LH
reports as good a signal strength on it as any of the others. A Cold
Reset gets it going again.
Does anyone know if a more modern receiver can be fitted in place of the
existing VP6? Is it likely to be a Rx problem anyway?
I'm running LH at the moment and will try to capture a screen when it
next goes into Holdover to see if that gives me any clues.
Thanks for any advice!
Dan
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