No reason to go with a boom that long. 8' is quite adequate and much easier
to handle when erecting.
K8AC
----- Original Message -----
From: "Dino Darling" <k6rix@earthlink.net>
To: <towertalk@contesting.com>
Sent: Monday, March 22, 2004 2:04 AM
Subject: [TowerTalk] Quad Design...
> Greetings!
>
> I rescued an old Cubex 2-element, tri-band quad. I would like to build a
> 2-element 20 meter beam centered on 14.250Mhz for Field Day. Knowing that
> this antenna is a compromise for the three bands, it is my belief that it
> could be optimized for 20 meter phone.
>
> Would someone here be willing to MODEL a 2 element quad centered on
> 14.25Mhz on a 12' x 3" boom using 14 gage wire? Forward gain would be the
> most desired parameter. Since this beam will only be up for 24 hours and
> pointed east, F/B is not a major criteria. Bandwidth with the quad will
be
> plenty and therefore a non-issue too. Also, everything I've read says I
> need to use RG-11 as a matching transformer. Can I feed this directly
with
> 50-ohm cable and a simple 10-turn balun?
>
> I may have a longer boom available if you suggest a longer boom. The ARRL
> antenna book says 13'. I would like to know what YOU think!
>
> I do plan on buying a modeling program in the future, but at this time,
> your help and suggestions would really be appreciated!!!! Thank You!
>
>
> Dino...k6rix@earthlink.net
>
>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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