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Re: [CQ-Contest] Contest QTH

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] Contest QTH
From: Bill Tippett <btippett@alum.mit.edu>
Date: Mon, 24 May 2010 07:31:42 -0400
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
> W4ZV:
>
>> While salt water is definitely good for verticals, but it
>> doesn't help horizontally polarized antennas like Yagis.
>
>
> Not true. Even horizontally polarized antennas gain from the salt water. 
> Besides enhancement from the ground, reflection conditions in the immediate 
> vicinity of the array, signals at the salt water edge are enhanced regardless 
> of polarization.

        EZNEC shows minor improvement for horizontal polarization over
salt water but it's at high angles...not low angles as is the case for
vertical polarization.  At 14 degrees TOA, there's a 0.51 dB
advantage, at 7 degrees a 0.26 dB advantage, at 3.5 degrees a 0.16 dB
advantage.  The reason for this is that ground conductivity has less
reflectivity effect as the incidental angles become very low.

        Isn't this discussion déjà vu of déjà vu?

http://lists.contesting.com/archives//html/CQ-Contest/2005-01/msg00022.html

                                     73,  Bill  W4ZV
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