[Elecraft] K2 Lo p on 10 12m when its cold outside.

[EMD]

I have had my K2 (7109) for 3 years now and I have noticed something about it
when it gets cold out.  Every year when the temperature falls I lose 10 and
12 meter capability.  I have read the posts on this forum with little
success in resolving this issue.  My K2 sits next to an upstairs window, I
have to admit I have been a little lax in getting the window properly
enclosed since I use a MFJ window adapter for my antenna.  This morning was
particularly cold and when I touched my radio it was very cold.  After
turning it on it was once again dead on 10 and 12m.  I decided to see if
warming it up would help.  I got my wife's hair dryer and blew some hot air
on it and after about 5 minutes 10 and 12m are back.  I had it on 10m dead
and then it came back as if I had just turned it on.  So this makes me
wonder if I have a bad solder joint somewhere in the tuner?  

Any help/ideas are always greatly appreciated.

Ed K3ENV





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