This doesn't exactly answer your question but it was -30*C here this
morning (it gets even colder sometimes) and it's (generally speaking)
+/- 80% humidity here, pretty much year round.
Some years back I ran a RCSV-8 remote antenna switch and I am not 100%
sure if it helped or not, but I always left 1 relay on always. I
realize the amount of "heat" produced by 1 relay would be very
minimal,. but in my mind it may have helped. Did it?
Not sure, but since I started always leaving the 1 relay energized, I
don't recall it ever sticking in the middle of winter.
These days I have other remote switches and 4-SQ controllers and none of
them stick. (better quality than the old RCSV-8 though)
I have never tried it but I have heard stories about installing little
light bulbs in an enclosure to not really keep it warm, but to drive out
moisture.
GL
Mike VE9AA "NB"
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