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Old 23-Mar-2020, 1:30 PM   #25
rickbb
Senior Member
 
Join Date: Dec 2014
Posts: 336
If everything has been ruled out other than temp changes, then it has to be a expansion/contraction issue of something in the system.

I can't think of anything else that would explain it.

Unless it's an atmosphere thing, colder denser air vs. warm less dense air, or visa/versa blocking or not blocking signals. But that's really just a WAG. (Wild A__ Guess).
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