Jim Kelley wrote:

Cecil Moore wrote:
In any case, it appears to me that an antenna is not a two terminal
network. It appears to be a three or four terminal network with a
virtual ground.

The only way I can see to model it and get these particular results
would be to have it as a device which increases in impedance at every
point along its length, and which has a current path to ground at each
of an infinite number of such points.

For a 1/4WL vertical, that would be true even if the path to ground
is through displacement currents. But, what about free space?
--
73, Cecil http://www.qsl.net/w5dxp



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