[TowerTalk] HELP - Hy-Gain TH-3JRS

[Tom Hellem]

The hairpin match , yes a very good question indeed.
In fact, so good that Hygain didn’t choose to answer it in
their instruction manual. They show all the parts for it, including
what looks like an adjustable shorting  bar, but absolutely no
mention of it in the text. DX Engineering is still selling them, with
the exact same manual. What a joke.

Tom K0SN

On Sun, May 18, 2025 at 8:35 AM jim.thom jim.thom at telus.net <
jim.thom at telus.net> wrote:

> Date: Sun, 18 May 2025 13:19:54 +0000
> From: Gary Mayfield <gary_mayfield at hotmail.com>
> To: "towertalk at contesting.com" <towertalk at contesting.com>
> Subject: Re: [TowerTalk] HELP - Hy-Gain TH-3JRS
>
>
>
>        > We did test with the long coax on the ground, and your point is
> well taken about the >balun vs a choke. We will take a fine tooth comb to
> our hairpin recreation. I suspect that >may be a contributing factor.
>
> >73,
> >Joe n0sd
>
> How exactly does Hygain manage to get a hairpin to work on 3 bands ???
> Typ when you raise the yagi from 8'  to top of tower, the resonance points
> will  all shift up in freq.
>
> Jim   VE7RF
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