On Mon, 13 Mar 2006 12:20:15 -0500, John Popelish
wrote:

The question is: For a well-designed coil, is the self-
resonance method valid for determining the delay through
a coil at HF frequencies below the self-resonant frequency?

Yes, that is an excellent question.

Since that's been an accepted way of doing it for more
than a century,

This is a conclusion I have not seen you support, except with repeated
assertions. Can you offer something more substantial? Surely a few
references have accumulated in that century. How did you learn about
this as the accepted way?

Hi John,

Well, I for one note that your call for a reference to that one point
(coil self resonance) was met by a "link" to a mailing list on another
point (assembly self resonance).

Be that as it may.

What we do find at that "link" has a rather condemnatory admission:
Amateur antennas vary so much in installation and
design that a rigorous treatment of one case
That case being a Tesla coil SECONDARY which is notably tight wound
would not, in general, be applicable to others.
which quite defines the coils offered here, and are admitted to in the
first words of this sentence.

The thread may now diverge towards Tesla secondary coils and away from
your "well-designed" coil.

SOP

73's
Richard Clark, KB7QHC