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Affect of Earth Conductivity on a Monopole Antenna System

Posted: Sun Feb 11, 2018 6:41 am
by R. Fry
For anybody interested ...

Below is a graphic showing how earth conductivity affects the radiation pattern/gain of a base-fed, unloaded, λ/4, 40m, monopole antenna system, over the range of very poor to very good conductivity.

Image