Dave wrote:
the only one who would care about that is art who believes that current
flows back down the inside of the conductor. for the rest of us an end of a
wire is an end of a wire... the difference in capacitance from a filled end
to a hollow tube, unless the diameter of the hollow tube is a good fraction
of a wavelength should be negligible.

Has anyone ever measured a difference between aluminum
tubing and a solid aluminum rod at the end of an antenna?
--
73, Cecil http://www.w5dxp.com