[Elecraft] K3 VFO A encoder noise

[Lyle Johnson]

It isn't normal.

Might try running VCO calibration, based on your description of a couple 
of small band segments.  I'm assuming this is not a diversity with 
second receiver; if so, you might want to do VCO cal on the second Rx as 
well.

73,

Lyle KK7P

>> Is this normal?
>> I'm getting a strange noise when turning the VFO A   on 10m  at around
>> 28.000 to 28.007  then again at 28.037 to 28.045     as I turn the VFO I
>> get a buzz or rattle from the speaker or in the headphones.    hard to
>> describe but much like the sound of a needle scratching across a
>> record.      if I rock the VFO back and forth its like scratching the
>> needle back and forth across the record grooves.  when I turn it slowly
>> it makes one click per VFO step.   if I set it to fine its a click per
>> 1hz step   then normal its a click per 10hzstep and so on.    its not
>> loud and registers about s2  on the meter.  with no antenna attached
>> and is barely noticeable with an antenna as its almost below the noise
>> at least here in the city.   I havent noticed it elsewhere or on other
>> bands.
>>