Hi Dan,
You said this far better that I did! Thanks for the better explanation.
For the record, I used a 2M yagi at 45° for a few years to "optimize"
(compromise?) both SSB and FM. Worked. Turned out is was great for
directing Fox Hunts -- with the tricks the foxes did.
73 -- Larry -- W1DYJ
----- Original Message -----
From: "Dan Zimmerman N3OX" <n3ox@n3ox.net>
To: <towertalk@contesting.com>
Sent: Thursday, April 09, 2009 11:52 AM
Subject: Re: [TowerTalk] Gizmotchy's
> >
>> If it's really both
>> horizontally and vertically polarized (not circular)
>
>
> Anything that's not elliptically/circularly polarized is just linearly
> polarized, and the "ratio" of vertical to horizontal response just depends
> on the tilt of the elements with respect to horizontal and vertical.
>
> A yagi rotated 45 degrees from horizontal or vertical using its boom as
> the
> axis is a linearly polarized antenna that responds equally to horizontal
> and
> vertical signals. But if you have an ionospheric fade going with
> polarization rotation of a linearly polarized wave, it's going to work
> exactly like any other linearly polarized antenna. When the incoming wave
> is cross polarized with the antenna, you get maximum fading.
>
> So no matter how fancy it gets, if it's not designed for
> elliptical/circular
> polarization, it has *one* tilted polarization.
>
> 73
> Dan
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