[Elecraft] K1 Drift less on wide VFO Setting???

[Paul Webb]

Hi 

I have a K1 which works very well, I have it set for the 80KHz range on the
VFO, I find that the drift is within spec, the first 5-10 mins is the worst
at about 80-100hz after that it slows down but in a hour from cold is around
200hz, when warm it is very stable and no issue, I have just changed it to
wide vfo (150KHz) and it seems loads better, only about 20hz from a cold
start over 10mins and not much shift after that. Any one else found this
too? Any ideas why? 

I note that the cap used for the narrow range is a ceramic disk and the wide
is a poly type?

Cheers

Paul

M0BMN

 

 


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