SB-104a Drift

[Mark Johnson/Ontario/IBM]

Hello all;
My SB-104a seems to be drifting more than usual. It even "creeps" down freq
after an hour of warm up. My 644 remote VFO does not seem to drift as much.
Is this a known problem on these rigs? Any fix info would be appreciated..

TNX!!

Mark V. Johnson
VE3DJU

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