Harry,

Make certain L1 is mounted properly. Something is apparently moving in relationship to the L1 winding and causing the coupling to change.

73,
Don W3FPR

On 6/18/2015 5:09 AM, Harry via Elecraft wrote:
  Hello

since a week I am also very happy owner of a K1 with the 4 band module, atu and 
nb board.

The rx is amazing, but I notice a slight shift of the vfo if I am put my hand 
on the top cover of the K1.
I notice this shift, about 100 hz, also after a longer warm up periode. Even 
when I put one or two fingers above the vfo dial.
Any hints to reduce this little frequency shift?


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