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Re: Eggbeaters

KC6UQH wrote:
> Robert,
> A QFH antenna using 1 wavelength per side gives you the following pattern.
> Assuming that the antenna mast is perpendicular to the earth and the pattern
> is
> related to a  balloon The balloon has a 25 dB dent on the bottom with a -7
> dB dent on  the top. A bulge of max gain occures at 20 dergees. The whole
> envlope of a QFH antenna is circluar polorized.
>  You get to add 3 dB for matching circular polorization .The 1 wave length
> per side QFH antenna Has its best gain at 20 degrees above the horizon and a
> 25 dB front to back ( top to bottom ) ratio helping to cancel out the 3 dB
> of ground noisefound in vertical antennas that go to the horizon.  I can
> copy down to 3 degrees on most passes, and below that elevation the signal
> path is into trees and houses anyway.
> Art, KC6UQH

Art, you are simply going to have to draw up your QFH design.  In fact, 
I believe you have some pictures available now.  Failing that, you might
put the URL on the net where most of the information is described!  That
antenna is a good one for many reasons.     Cliff K7RR
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