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
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