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

[Ron WV4P]

The C31XR-JK has 40" spacing just for side mounting.

Ron, WV4P

On Mon, Mar 25, 2024 at 9:15 PM <john at 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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