At 02:54 AM 8/11/98 -0500, you wrote:
Hi Stan!
>I have a 5 element Wilson 10 meter beam up that I bought in 1972. It has a
>20 foot boom, 3 inches in diameter. If the Wilson you are looking at is
>about same vintage as the one I have, it uses very good materials (mine has
>been up 26 years). I think I paid about $80 for it, new. These beams were
>designed by Wilson before computer modeling was being done, so I would not
>use Wilsons dimensions. Rather, I would model the antenna using the boom
>length avialble and determine the optimum element lengths and spacing. My
>Wilson is totally adjustable in terms of element lengths and spacing and so
>lends itself well to adjustments called for by modeling. Depending on how
>cheap you can get it, I would say grab it.
>Stan w7ni@teleport.com
This antenna is on a 30ft 10in boom, 2in diameter. It's brand new, in the
box, which he did unseal for me and get out the inclosed manual. He couldn't
find any reference to gain, FB or windloading just glancing at it but I'd be
quite surprised it it wasn't there myself! It has a short "boom truss" that
attaches right to the boom, so it could be mounted at the very top of an
existing mast.
Oh... he is asking $100 delivered to my tower site.
Roger Cox at HyGain has suggested a 6-7ft spacing between this antenna and a
20M monobander. Any further thoughts?
I've also been looking for some modeling software!! YO, AO or something, but
haven't found anything yet.
Chuck Sudds K0TVD
Missouri Valley, Iowa USA
Heartland DX Association
http://www.probe.net/~csudds/ or
http://www.probe.net/~beakers/
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