Even the original TH6 with the single driven element had the beta match. I
think the TH3 did also. That must have been a bunch of trial and error since
the TH6 has been around since the 1960s and I think NEC wasn’t around until the
early 1980s.
Ken K6MR
From: Grant Saviers<mailto:grants2@pacbell.net>
Sent: Friday, October 22, 2021 13:58
To: towertalk@contesting.com<mailto:towertalk@contesting.com>
Subject: Re: [TowerTalk] homage to ohmage
Probably the dual driven and infinite patience for trial and error.
Nice history at https://ethw.org/Hy-Gain_TH7DX_Antenna
I've had two. Good performance and strong. Have an estate third "NIB"
original Telex for sale $500. Not quite NIB since mice ate the box, but
stored inside since T0. Don't want to ship it. DXE price now $1099.
Grant KZ1W
Redmond, WA
On 10/22/2021 09:59, Ken K6MR wrote:
> “How do you get a beta match to work on all bands ?”
>
> Hygain also does it on the TH7, so the secret must be out.
>
> Ken K6MR
>
> From: jim.thom jim.thom@telus.net<mailto:jim.thom@telus.net>
> Sent: Friday, October 22, 2021 09:45
> To: towertalk@contesting.com<mailto:towertalk@contesting.com>
> Subject: [TowerTalk] homage to ohmage
>
> Meanwhile, Mosely is still blathering on about... establishing 52 ohm
> resonance.
> You would gag when you see what they actually do to achieve 52 ohms
> resistive at the feedpoint of their trapped yagis. While on a rant, did
> anyone ever figure out how
> Wilson managed to get 1:1 swr on their triband yagis..using a simple beta
> match ?
> How do you get a beta match to work on all bands ?
>
> JIm VE7RF
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