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Re: [TowerTalk] ground radial length vs antenna height?

To: "" <>, "" <>
Subject: Re: [TowerTalk] ground radial length vs antenna height?
From: "Jim Brown" <>
Date: Wed, 27 Aug 2008 10:20:59 -0700
List-post: <">>
On Wed, 27 Aug 2008 11:11:15 -0600, Chris Adams wrote:

>It seems to me that the takeoff angle is going to be primarily 
>determined by the characteristics of the ground outside the radial 
>field.  For example, to get low takeoff angles, requires reflection of 
>the signal, with the correct phase, a long distance from the radial 
>field.  Whether this reflection takes place, and how efficiently it 
>happens is dependent on the ground characteristics at that distance. 

>The efficiency of the vertical is directly affected by the number of 

Correct on all counts. Radials change EFFICIENCY. They have no effect on the 
shape of the vertical pattern.


Jim K9YC


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