Roy Lewallen wrote:
We can use the inductor as an autotransformer.

Someone should tell that to Kurt N. Sterba. This
month he says: "But for a half-wave or 5/8 wave
vertical you need a parallel tuned circuit at the
base if you want to feed it there with coaxial
cable."

He also says: "A reader is irate because Kurt has
stated that coaxial cable does not radiate. Actually,
Kurt is just quoting from textbooks."

He apparently forgot what he wrote previously: "The
Resonant Feedline Dipole takes advantage of the fact
that coaxial cable acts like a three conductor cable
for RF. There is the inner conductor, the inside of
the shield, and the outside of the shield. RF signals
travel down the inside of the cable with equal currents
on the inner conductor and the shield. The current on
the shield does not penetrate the shield."
--
73, Cecil http://www.qsl.net/w5dxp


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