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

[Chuck Sudds]

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