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Re: [TowerTalk] Mounting Yagi on the side of the Trylon tower.

To: Ron WV4P <wv4ptn@gmail.com>
Subject: Re: [TowerTalk] Mounting Yagi on the side of the Trylon tower.
From: S57AD <mirko.s57ad@gmail.com>
Reply-to: mirko.s57ad@gmail.com
Date: Tue, 26 Mar 2024 11:00:43 +0100
List-post: <mailto:towertalk@contesting.com>
And JK MidThree as well...

V V tor., 26. mar. 2024 ob 03:47 je oseba Ron WV4P <wv4ptn@gmail.com>
napisala:

> The C31XR-JK has 40" spacing just for side mounting.
>
> Ron, WV4P
>
> On Mon, Mar 25, 2024 at 9:15 PM <john@kk9a.com> wrote:
>
> > If you are going to phase the antennas you should use the same Yagi as
> your
> > upper one plus the same feedline length.  It can be difficult to find
> > enough
> > open space to side-mount modern interlaced tribanders and you may have to
> > buy two antennas with sufficient space and also replace the top one.  I
> am
> > not sure why you picked 35', if the Trylon tower is self-supporting it
> > should be narrower slightly higher up giving you more turning room and
> > possibly a better pattern.  There are not a lot, if any, commercial swing
> > gates for towers manufactured these days but you can fabricate your own
> or
> > use a ring rotator to have full rotation.
> >
> > GL
> > John KK9A
> >
> >
> > Alex Filippov wk1o wrote:
> >
> > I am looking for antenna and installation advice.
> >
> > I am looking to install a tri-bander 10-15-20 on the side of the
> > self-supporting 80 ft Trylon tower at around 35 ft above ground level to
> > stack with the tri-bander at the top of the tower. I really would like
> this
> > antenna to rotate maximally around the tower. Obviously, there is a limit
> > to how much it can be turned. The distance between the center ( driven?)
> > element of the tri-bander and the next element should be maximally
> possible
> > to accommodate the max rotating angle. Also is the length of the arm on
> > which the antenna will be installed.
> >
> > I am looking for practical advice on the best suitable commercially
> > available tri-banders for such application and any advice on the
> > installation. It looks like it will need two horizontal arms, rotator
> > plate(s)
> >
> > I'm sure this has been done many times before, so if you know where to
> look
> > for advice to avoid the errors of the first time tinkerer, that would be
> > greatly appreciated.
> >
> > Thank you,
> >
> > Alex, WK1O
> >
> >
> > _______________________________________________
> >
> >
> >
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> >
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>
>
>
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-- 
Mirko S57AD
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