[time-nuts] Z3801A failure?

[Matthew Kaufman]

Neville Michie wrote:
> What about the HP 10811 running out of EFC range by ageing? It may 
> just be a matter of centring the EFC with the mechanical trim adjustment.
I suppose that means I should try to pull the EFC values off the unit 
that's still on the mountaintop when I go up, plus off at least one of 
the units that is in service but still staying locked.

Matthew