On Nov 14, 9:32*am, Cecil Moore wrote:
On Nov 13, 9:35*pm, Richard Clark wrote:

This
equivalence "replacement" is forced further into unresolved exactness
if we move the same coil up into the radiator (without changing the
radiator's length).

From a conceptual standpoint, there is no "unresolved exactness".
Considering a base-loaded antenna vs a center-loaded antenna:

I am writing an article that conceptually explains it all.

The first part of the article has been published:

http://www.eham.net/articles/24940
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73, Cecil, w5dxp.com