[TowerTalk] Wilson 5 element 20 meter monobander

[Tim Duffy K3LR]

Hi Mark!

I had a brand new one of these in 1979. Its factory dimension performance was horrible. I was attending college at the time and thanks to hundreds of key punch cards I was able to model on
the mainframe computers (optimizers were only a dream in the public sector) a 56 ft boom design which worked much better with 5 elements. As Jim, SM2EKM (He visited me about the time I
extended the boom in 1980) pointed out, 5 elements on 40 ft boom is one element to many for that boom length.

73!
Tim K3LR

EL34GUY at aol.com wrote:

> Hello,
>
> Does anyone have any experience with the large 3 inch 40ft boom Wison
> monobander for 20 meters? Im wondering how well it works and if it was  reoptimized
> and what the new spacings might be? 73
>
> Mark
> W0NCL
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