Re: [TowerTalk] KLM 5el 20m monobander - High SWR

[Chuck Sudds <chuck@dxham.net>]

At 08:07 PM 10/14/03 +0000, Dave Hachadorian wrote:

Dave

When I had my KT34XA, this was a constant problem here in Iowa.  I covered 
those phasing bars with heat-shrink and never had the problem of them 
shorting to anything ever again.

Chuck KØTVD

> I only know about the tribanders first-hand, but I think KLM
> used a similar dual-driven-element setup on their monobanders.
> The rear driven element is the one that predominantly affects
> swr on cw. It is connected to the front driven element, where
> the feedpoint is, by phasing straps that have been problematic
> in the past. The straps can touch each other, can touch the boom, and can
> develop high resistance connections where they fit over the
> attaching screws. Maybe someone could take a long fiberglass tube
> up there and poke the phasing straps, while someone else is
> observing swr from down below, to see if it fluctuates. Also, maybe
> you can see a problem through binoculars.
>
> Dave Hachadorian, K6LL
> Yuma, AZ


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