All:
I'm interested in constructing a 4 square array for 40m. I'm wondering what
constitutes the "ground" for a vertical. The reason I'm asking is that I
believe that you have to isolate the base of the vertical from "ground".
How is this practically done with a tall vertical? Is placing the base of
the vertical in cement enough isolation from "ground"? It seems a challenge
to maintain a 1/4 wavelength pipe in a vertical position without some sort
of physical support from the ground.
Mark Fancher, AA4MF
mmfancher@earthlink.net
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