The pix are impressive. What I'd like to see are the
pix of them actually installing this giant. That would
be something to see!
73 Stew K3ND
--- W0UN -- John Brosnahan <shr@swtexas.net> wrote:
> At 10:33 PM 7/18/2005, Richard (Rick) Karlquist
> (N6RK) wrote:
> >The 104 ft boom seems rather short for 4 elements.
> This
> >would be like 26 ft on 20 meters. I have heard of
> 3 element
> >20 meter beams on 26 ft booms.
> >
> >Also, if you were going to insist on 4 physical
> elements,
> >why not drive the inner two as a log cell and get
> more
> >bandwidth? (Like the 4 element KLM 40 meter Yagi).
> >
> >Rick N6RK
>
> Actually the venerable 204BA was on a 26 ft boom.
> Not the
> best in times of computer optimization but still a
> pretty good
> antenna.
>
> You don't need to drive two elements to get better
> bandwidth--
> check out the OWA antennas made popular by K3LR.
>
> In some ways you can think of a Yagi as a bandpass
> filter
> and with four "knobs" (elements) to diddle you can
> better
> optimize the F/B, gain, and SWR bandwidth over a 3
> element
> array on the same boom length.
>
> --John W0UN
>
>
> _______________________________________________
>
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> questions and ask for Sherman, W2FLA.
>
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