Topband: Necessity of a Ground Screen under a well radialedvertical

Richard (Rick) Karlquist richard at karlquist.com
Thu Aug 7 00:57:57 EDT 2008


Rudy Severns wrote:

> In one of the experiments I added a ground screen over 64 radials and was 
> not able to detect any difference with or without the screen.
> 
> 73, Rudy N6LF 

OTOH, I did the opposite experiment, adding 64 radials over a screen.
The signal strength didn't change, but the drive impedance dropped
from 70 to 36 ohms.

Rick N6RK


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