You can even optimize Yagis on the tower to see where the would clear guy wires
when they rotate. Great tool.
73
NJ0F
Sent from my iPad
> On Feb 26, 2018, at 5:37 AM, "john@kk9a.com" <john@kk9a.com> wrote:
>
> I always lay out my towers on a survey drawing using AutoCAD. You can see
> where the anchors fall, measure distance between the house and tower(s)
> and it is quite easy to move things around once it is drawn.
>
> John KK9A
>
>
> To: Towertalk Reflector
> From: Byron Tatum
>
>
> Hello- Does anyone know of computer applications to assist in the
> layout of
> multiple guyed towers? I am wanting to lay out 3 of 45G guyed towers (per
> Rohn 130 MPH spec) in the most logical format based on these criteria:1. A
> 100'
> tower for HF antennas.2. A pair of 120' towers for VHF, UHF and SHF.3. A
> building housing the hamshack will be located close to center, between the
> pair
> of 120' towers, in order to reduce feedline (1-5/8") lengths and attempt to
> equalize lengths to each tower.4. The 100' tower can be somewhat further away
> as feedline (1/2", 7/8") losses will not be as serious.5. The property
> available for towers is close to square being 380' per side. I am
> attempting to
> try and keep as much as possible toward the west property side. This
> square is
> close to having edges running N-S and E-W.
> I have drawn out several plans on graph paper whereby there are
> no "interweaving" guy wires. I was hoping to be able to capitalize on having
> clear stretches between towers to run dipoles or loops but it is very
> difficult
> to try and use the minimum of space and accomplish such. I am faced with this
> task at a new QTH that I am starting work at and wanted to try and get the
> best
> possible layout. I plan to put up a metal shop building/hamshack in an
> appropriate place between towers. I have been planning for this and have
> enough
> guy wire insulators/hardware to break up guy wires every 27' to try and
> minimize HF interaction. I would consider "interweaving" the guy wires to be
> able to get towers a little closer and minimize feedline runs.Thanks, Byron
> W5FH
> _____
>
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