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Re: [TowerTalk] Polarization: Quad vs Horizontal at 50 mHz

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Polarization: Quad vs Horizontal at 50 mHz
From: Steve Hunt <steve@karinya.net>
Date: Tue, 09 Nov 2010 08:56:54 +0000
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Over an ionospheric path the polarization is changed randomly and is 
time-variant. There is no advantage in trying to match (or otherwise) 
transmit and receive antenna polarizations.

Steve G3TXQ

On 08/11/2010 19:45, W0WOI@aol.com wrote:
> If Station A is using a traditional horizontal Yagi in contact with Station
>   B using a horizontal Yagi, via 50 mHz Sporadic Es or some form of F-layer
> propagation, either single or multiple hop, does the signal remain a
> constant  horizontal polarization over the entire path, or is the polarization
> twisted to  be received in various polarizations?
>
> And a second question, is there an advantage/disadvantage to using a
> cubical quad at Station A and a horizontal Yagi at Station B?
>
> I ask this in view of a debate transpiring elsewhere.
>
> Both theorists or first-hand experience acceptable.
>
> Thank you.
>
> 73,  Bill @ W0WOI
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