Dan & other readers;
Corrected URL below, with apologies. The "m" was omitted in first post.
73,
Jim, K4SQR
See http://w4an.contesting.com/80m.htm for photos of Bill's Rohn
25G/mast/Comtek 80m 4-square.
On Wed, 10 Jan 2001 22:34:15 -0600 "dcbc" <dcbc@ipa.net> writes:
> Hello All
> I was told if I have any questions about towers and antennas to
ask
> here on
> this reflector.
> I want to build a 80 meter 4 square array.
> I plan to build it out of Rhon 25 tower.
> I also have read that a elevated feed with elevated radials is
> better.
> So I plan to have the feed at 10 feet above ground.
> Which would be a better feed system to use an insulator or shunt
> feed the
> tower.
> If it is better to use a insulator. Then I am planing to use an
> Apl25g
> Accessory plate on the first section with a 12 X 12 X 1 1/2 inch
> thick piece
> of delrin as the insulator. on top of this the Bpc25g Concrete
base
> plate as
> the upper plate for the rest of the tower to be built on.
> If shunt feed then I would attach the radials at the 10 foot level
> and build
> the tower as normal. Shunt feed has the advantage of lightning
> protection
> and tower is in 1 piece.
> Anyone out there built one of these arrays and have any thoughts
on
> what I
> should do?
>
> Thanks
> Dan W0VD
>
>
>
> --
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> Problems: owner-towertalk@contesting.com
>
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