[RFI] Weird RFI Episode

[NA6MB Mike]

Most likely the small movement you put in the connector when tightening it
moved some oxide out of the way and removed a higher impedance spot

NA6MB


On Sun, Sep 24, 2023, 3:16 PM Pete Smith N4ZR <pete.n4zr at gmail.com> wrote:

> This morning I got up and went on the air in the CQWW RTTY Contest.
> Everything had been fine yesterday, but as soon as I made my first
> transmission, both of my monitors shut down.  Eventually, I found that
> the cause was RFI - anything over about 40 watts and blooey (the
> computer was fine).  Without a lot of excruciating detail, I think the
> cause was a hand-tight PL-259 somewhere in my feedline out to my antenna
> switch.  Initially it looked fjne, and then it started showing me high
> SWRs on all bands.  I snugged them all down and it went away.
>
> This is a first to me in some 40 years of playing radio and computers.
>
> --
> 73, Pete N4ZR
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