check your weather proofing, also check and see that the impedence matches
on all your equipment, and that all connections are of the same metal,
aluminum-aluminum, brass-brass, copper-copper, its a long shot but we had a
problem on a 2.4 Ghz cell site and on the 1 5/8" hardline someone had used a
brass bullet instead aluminum, in theory it should have worked but it
created a capacitor effect and distorted worse and worse then we would go
up, disasemble the connector wich would discharge the "capicitor" and conect
it and itd work again for a while we ended up fineally changing the
connector then it worked good without any problems i disasembled the din
type connector completley and found that someone had assembled it with the
wrong bullet
maybe thats your problem, i dunno
Zac
----- Original Message -----
From: "Julio" <jperalta@tampabay.rr.com>
To: <towertalk@contesting.com>
Cc: "WARREN . ELLY" <welly@tampabay.rr.com>
Sent: Saturday, March 23, 2002 6:48 PM
Subject: [Towertalk] CushCraft A3S
> I'm having a problem with a A3S antenna and I'm wondering if anyone has
run
> into this before. The problem is that signal levels fade way down on 10M.
> Signal strength can be restored by hitting the PTT for just a second or by
> rotating the antenna. As the antenna rotates you can hear the signal level
> changing. It sounds almost like a rapid flutter.
>
> I've tried to eliminate everything in the line except the rig and the
> antenna. I've also determined that the problem exist with 2 different
> radios. The fading problem doesn't happen on 15 or 20M. In addition SWR
> mesurements appear to be normal on all 3 bands.
>
> I've recently reinstalled the antenna on an 89' US Tower with all new coax
> and connectors and the antenna worked very well for several weeks before
it
> began acting up.
>
> Any body have any ideas?
>
> Julio
>
>
>
>
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