[TowerTalk] Re: Vertical Dipoles and Ground Planes

[rick@area.com]

> Date: Sat, 19 Sep 1998 09:26:31 -0400 (EDT)
> From: "L. B. Cebik" <cebik@utkux.utcc.utk.edu>
> Subject: [TowerTalk] Vertical Dipoles and Ground Planes
> 
> Discussions that have appeared from time-to-time about the advisability of
> having a local (1/4 wl) radial ground plane beneath antennas like the
> vertical dipole led me to wonder what some systematicew model might
> indicate.  Such modeling, of course, does not automatically indicate
> reality, since a whole range of questions regarding the adequacy of NEC-2
> and NEC-4 for dealing with ground planes at or just atop the ground are
> undergoing extensive analysis at present.
> 
> However, it seemed useful to at least get a picture of what the modeling
> outcomes would be.  So I started phase 1 of a study and have placed the
> initial results at the site under the title above, with the item listed
> near the very bottom of the section of items on modeling.
> 
> I hope the information is useful to someone.
> 
> L. B. Cebik, W4RNL         /\  /\     *   /  /    /    (Off)(423) 974-7215
>                 URL:  http://web.utk.edu/~cebik/radio.html

For further info on this topic, see "A Theoretical and Experimental
Study of the Effects of Very Large Ground Screens on 20 Meter Verticals"
which is available on my web site:

                      <http://www.karlquist.com>

Rick Karlquist N6RK
rick@area.com

--
FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm