[TowerTalk] Gizmotchy's

[Larry Banks]

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 at n3ox.net>
To: <towertalk at 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
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk