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Re: Topband: Ground radials

To: N7DF <n7df@yahoo.com>
Subject: Re: Topband: Ground radials
From: DAVID CUTHBERT <telegrapher9@gmail.com>
Date: Fri, 6 Nov 2009 09:30:35 -0700
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Something does not appear to be right. The total radial current will be
equal to the antenna base current.

You indicate that while the ground mounted radial current did not change
while the elevated radial was added.

   Dave WX7G

On Fri, Nov 6, 2009 at 8:02 AM, N7DF <n7df@yahoo.com> wrote:

> We ran some extensive tests comparing current flow in ground radials
> we found that the current flow in an elevated radial with a surface radial
> directly below it was significantly greater than in the elevated radial
> alone
> The current flow in the elevated radial alone was also greater than the
> current flow in the surface radial alone
> the current flow in the surface radial was the same with the elevated
> radial over it as without the elevated radial
> We didn't try with buried radials but I feel sure that the results would be
> the same
> based on our measurements I would definitely say that placing elevated
> radials above surface or buried radials is a good idea
> All the radials were an electrical quarter wavelength
>
>
>
> _______________________________________________
> 160 meters is a serious band, it should be treated with respect. - TF4M
>
_______________________________________________
160 meters is a serious band, it should be treated with respect. - TF4M

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