That's not really true.  The DDRR is NOT a loop antenna.  The DDRR is a very 
short vertical with top loading contributed by a shorted transmission line 
(formed by the horizontal loop and the ground plane).  Check the field 
polarization ....

73,
Dave   AB7E




------Original Mail------
From: "Dale Putnam" <daleput...@hotmail.com>
To: <g...@isect.com>,
    "elecraft@mailman.qth.net" <elecraft@mailman.qth.net>
Sent: Mon, 3 Aug 2009 19:01:22 -0600
Subject: Re: [Elecraft] Magnetic Loops


Hi Gary,

  Seems to me that you are right on with all but the very last part... and that 
may need some investigation, with relation to the DDRR antenna.. that is a 
loop, and horizontal, over a very good ground. Just a thought....

--... ...-- Dale - WC7S in Wy


 

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