Reg Edwards wrote:
Skin depth in metals at HF is only a very few thousandths of an inch,
and less. The current has nowhere else to go except up, over, and
down the humps of the screw threads.

Imagine a rod with 60 degree notches cut out of it
such that the RF path is twice as long as is the rod.
VF = 0.5? 1/4WL vertical = 117/F? 75m vertical = 31ft?
--
73, Cecil http://www.qsl.net/w5dxp


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