[Elecraft] FW: OT A/C RFI

Terry Schieler w0fm at swbell.net
Wed Jul 19 14:02:04 EDT 2017


More interest here than I expected on this, so I've decided to post my
direct response to Erik here as well.

Terry, WØFM



Hi Erik,

I just replaced my two 20 year old Lennox units with 4.0 Ton and 3.5 Ton
Trane units.  Before the installers left I asked for a chance to check the
radios in the shack for RFI.  The AC compressors are outside the basement
shack wall and the coils are inside about ten feet from the radios and feed
lines.  Attic antennas all around for the moment.  No detectable noise on
the new Trane units.  And for what it's worth, the Lennox units (same size)
were also RFI free for 20 years.  Good luck with your project and stay cool!

73,

Terry, WØFM




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