Topband: feeding phased verticals at half wave spacing

Clint Talmadge clinttalmadge at gmail.com
Tue Nov 22 15:30:22 PST 2011


1/4 wave verticals spaced half-wave apart fed out-of-phase gives you a
end-fire pattern - the same verticals fed in-phase gives you a broad-side
pattern.

Chapter 11 - Practical Antenna Handbook - Joseph J. Carr - Tab Books - 1989

Clint - W5CPT -



On Sat, Nov 19, 2011 at 2:04 PM, Dale Long <dale.long at prodigy.net> wrote:

> Gentlemen:
>
>
>
> I have been told repeatedly that phased verticals should be spaced 1/4
> wavelength apart.  Ok, I am willing to accept that.
>
>
>
> My question is if you have verticals that are 1/2 wave apart, would it not
> give some pattern, whatever that should be?
>
>
>
> If you were looking for an endfire pattern how should you feed such
> verticals?
>
>
>
> If you have specific questions, you may contact me directly at
> dale.long at prodigy.net
>
>
>
> Thanks and 73,
>
>
>
> Dale N3BNA
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>



-- 
*Clint Talmadge*


More information about the Topband mailing list