Frank's Basement 2 wrote:
I suspect that
adding loading coils to radials is about the same as adding loading coils to
any part of an antenna system. They do nothing to effect the radiation
efficiency, only modify the input impedance.

Wherever did you get that idea? A dipole made out of
80m hamsticks is less than 1% efficient.
--
73, Cecil http://www.qsl.net/w5dxp