[Elecraft] K2: squeezing rig causing frequency change...

[Mike K8CN]

Steve,

If memory serves me correctly, L33 (the BFO coil on the underside of the
main RF board)
has very little clearance to the bottom cover, and I found the same mild
detuning when
pressing on the bottom cover.

Mike, K8CN
K2/10 #5569


Steve Kallal wrote:
> 
> I was trying to calibrate the frequency on my K2/100 and noticed that 
> the received beat frequency changed when attaching the top cover (the 
> KPA100 option). After putting the mounting screws back in, I noticed the 
> frequency will again change when squeezing the top and bottom covers 
> towards each other with my fingers. The change is about 50 to 100 Hz or
> so.
> 
> Is this normal? Somewhat I don't think so, but hadn't paid attention 
> before. I've been monitoring WWV on 10 MHz in CW mode beating against 
> the spot tone. There is constant carrier to beat against, and I that's 
> how I noticed the beat frequency changed.
> 
> In the meanwhile I will tighten everything  down again.
> 
> 73,
> 
> Steve N6VL
> K2/100 #2289
> 
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