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Old August 12th 07, 04:28 AM posted to rec.radio.amateur.antenna
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Default Confused over coax and windom - newbie

In article ,
Jimmie D wrote:

I never could really figure out a windom except that the origional was just
a flat top that was tuner friendly on all the ham bands.


As I understand it, the original Windom is essentially a vertical
radiator, with an asymmetrical capacitive "top-hat" (which will
probably radiate at least a bit because of its asymmetry), bottom-fed,
working against the station's RF ground. It's simply a form of
Marconi antenna.

The "Carolina Windom" is a very different sort of antenna... AIUI it's
a off-center-fed doublet which (by design) also has some
vertically-polarized radiation from the upper portion of its coaxial
feedline.

Although the two have a superficial resemblance, I believe that the
two types have very different distributions of RF current, feedpoint
impedances, and (probably) radiation patterns and polarization
distributions.

--
Dave Platt AE6EO
Friends of Jade Warrior home page: http://www.radagast.org/jade-warrior
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