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Re: [TowerTalk] vertical dipoles

To: jim Jarvis <jimjarvis@optonline.net>
Subject: Re: [TowerTalk] vertical dipoles
From: John Tait <johnei7ba@eircom.net>
Date: Wed, 18 Nov 2009 13:19:51 +0000
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Hi Jim..
   You're right of course.. Perhaps we can modify Jim K9YC's original 
statement and say that...

           A vertical dipole suspended at a point approximately one 
wavelength over ground is not as effective as an inverted V at the same 
height for DX.  However, A loaded vertical dipole at one eighth, to one 
quarter wavelength at it's highest point, is more effective than an 
inverted V at the same height for DX.

          Then we can call it a draw... {;o)

                        John EI7BA
          

jim Jarvis wrote:
> k9ay observed that vertical dipoles weren't very good antennas...
>
> When challenged by EI7BA, he observed that his 40m inverted vee
> @ 120' outperformed a vertical dipole with its top at the same height.
>
> I'm sure that's true, but it's a very different animal than EI7BA's  
> 160m vertical dipole
> with only 55' of it running vertical.
>
> Both Jim and John's experiences are valid.   They're just talking  
> about different
> animals.
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