[Antennas] Ground Planes

Tue Apr 5 23:38:18 EDT 2005

Interesting. I just modeled your system... two radials elevated six inches 
off the ground on the diagonal is more effective than copper plating the 
entire yard on 40-10 meters...
Sincerely,
Dr. William J. Schmidt, II K9HZ
Trustee of the North American QRO - Central Division Club - K9ZC
Email: bill at wjschmidt.com
WebPage: www.wjschmidt.com
"If computers get too powerful, we can organize them into a committee; that 
will do them in." -- Bradley's Bromide
----- Original Message ----- 
From: "Mel Vance" <icra at galaxynet.com>
To: <antennas at mailman.qth.net>
Sent: Tuesday, April 05, 2005 10:18 PM
Subject: Re: [Antennas] Ground Planes
>> of my test equipment when I hit 240 radials... and basis my threshold,
>> about 120 radials was really optimum given the cost of the wire.
>>>> Meshing your back yard... while it may give you wood... isn't really
>> cost practical.
>>> Radials are best...if you have 100 some feet dia to put them in.....
>> With a yard just 20 feet by about 100 feet, and cluttered with sheds, 
> trees, ect, no way to
> jam 120 radials in there....hard to fit more than 10 into the yard 
> available and clear trees,
> sheds, and other stuff
>> A mesh system should give a better ground than the hand full of radials I 
> have room for.
> Also, my goal is not just for an antenna ground plane...due to very heavy 
> clay, getting a
> good ground off a ground rod is very difficult. The mesh would get around 
> that problem.
>> Mel
> N7OKL
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