[TowerTalk] Hygain TH3

Tom Osborne w7why at frontier.com
Wed Mar 16 09:25:26 PDT 2011


Hi Eddy

I had the same problem here with a TH-3.

I found the traps had become full of stuff, and rain water leaked into them 
and made a mess.

Probably the 10 meter traps are working OK, but the other ones are bad.  I 
had to take the traps apart and clean the gunk out of them.  73
Tom W7WHY

> Hi Guys,
>
> This has nothing particularly to do with TOWERS, per se, but I'm wondering
> if anyone reading this might have an idea, or two (it'll require CLIMBING
> the tower here in any event, I'm sure!).
>
> Specifically, I have a Hygain TH3 - Mark III 3-element tri-band yagi at 
> 48'
> here that has basically been idle, as I concentrated my efforts on the low
> bands for some 4 years now. Anyway, I re-discovered 10-meters with the
> inordinately high sunspot count of late, and pressed the yagi into service
> there with stellar results.
>
> Inspired, I next tried the antenna on both 20- and 15-meters, but was
> shocked to see the SWR inordinately high right across each band...
>
> Obviously something up there has gone awry in the preceding years---but 
> why
> is it still A-OK on 10-meters...?
>
> Thanks in advance, with my vy
>
> ~73~ de Eddy VE3CUI - VE3XZ



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