Weird antenna problem

[Walter - K5EST]

..
..............top reply...............
..

Al, your situation kinda makes me wonder if there is a possibility of
moisture in
the Butternut feedline that is leaching into your coax junctions.
Having to clean
connectors in a short term is just not natural, at least to me.

73....Walter - K5EST - Missouri




On Tue, Jun 23, 2009 at 9:05 AM, Schichler, Alfred (GE EntSol, Digital
Energy)<Alfred.Schichler at ge.com> wrote:
> I'm not sure if this is the right group to ask about this problem, but I
> figure I'll give it a shot:
>
> Every so often, when I'm using my Butternut vertical mounted on the
> garage roof, I notice that signals are way down, like more than 20 dB
> down, almost like no antenna or a shorted antenna.
> Well, I discovered that if I go in the garage (where there is a
> lightning arrestor installed at the 75 ohm and 50 ohm coax junction) and
> disconnect the lightning arrestor and squirt some contact cleaner on the
> connectors, it works fine again. This happens every few months or so.
> I just bought a new lightning arrestor last month, and I took a wire
> brush to all the connectors and adapters connected to it, but the
> problem still keeps coming back. (It just happened last night). I guess
> it's possible that one of the coax connectors has an intermittent
> connection, but it didn't look that way when I put an MFJ antenna
> analyzer on it. I could only check one of the connectors though.
> It's not a real serious problem since it's not hard to fix
> (temporarily), but I was wondering if anyone has ever heard of anything
> similar and found the cause. (Static discharge of some sort maybe?)
>
> Thanks,
> Al, WA2AS
>
>
>
>
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