[Antennas] HyTower 17M stub

[David J. J. Ring, Jr.]

Does anyone have modeling files for 18-HT HyGain vertical?

73

David
N1EA
 On Mar 21, 2013 8:18 PM, "Ed Tanton" <n4xy at comcast.net> wrote:

> I finally got the antenna analyzers (both my friend's MFJ and my AEA
> SWR-121
> HF) connected for a trial run on my newly-installed HyGain HyTower. No
> radials yet. Only 1 of the 8 groundrods connected. The accessory 17M stub
> is
> mounted. SWR on 40M was awful, with 1:1 down somewhere between 6 and
> 6.8MHz.
> Elsewhere was not too bad, with the best being the very nice 1:1 at 3.9MHz.
>
>
>
> Here's my 1st question: I saw NOWHERE in/on the 17M instructions about
> which
> tower leg to mount it. All the rest of the numbers were there (how far up
> from the bottom, etc.) I THINK when I was trying to figure this out, the
> 40M
> leg was most obvious, and I THINK it would not have mounted on one (and
> maybe both) of the other two legs. Anyone else have a successful
> installation of this additional stub?
>
>
>
> Anyone else have any comments? Yes, I WILL add some radials next. Yes, I
> will connect the other 7 groundrods. I have the DX Engineering Radial
> Groundplate that does fit under the HyTower. First I plan to simply
> disconnect the easily reached connection point for the 17M stub, and see
> what that does to the 40M resonance.
>
>
>
> Ed Tanton
>
> website:  <http://www.n4xy.com/> http://www.n4xy.com
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