[TowerTalk] ground radial length vs antenna height?

[Jim Brown]

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 
>radials.

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

73,

Jim K9YC