Richard Clark wrote:

wrote:
If the coil was resonant, you wouldn't need the rest of the antenna.

Uh-huh, makes a trap an antenna?

A helical trap could be a 1/2WL antenna. But we are better off
with a good ground plane and a 1/4WL helical antenna since it
matches our 50 ohm transmitter better and has less loss. The
ground plane furnishes half of the antenna.
--
73, Cecil http://www.qsl.net/w5dxp



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