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Old January 3rd 09, 03:49 PM posted to rec.radio.amateur.antenna
Dave[_18_] Dave[_18_] is offline
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First recorded activity by RadioBanter: Jun 2008
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Default Does NEC-2 model wires as solid or hollow?

Cecil Moore wrote:
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?


The rod is heavier.