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Old December 2nd 07, 06:32 PM posted to rec.radio.amateur.antenna
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Default Loading Coils; was : Vincent antenna

On Sun, 2 Dec 2007 09:59:24 +0000, Ian White GM3SEK
wrote:

(This
also means that measurements made on a coil in isolation will have very
limited relevance to the behaviour of the coil as part of a complete
antenna.)


Hi Ian,

Your parenthetical is EXACTLY what devastates the logic of forcing the
real inductor to observe a constant angular length according to
Cecil's misapplication of the so-called Corum rule. It also reveals
the problem with Tom's measurement. However, negating Tom does not
validate Cecil - and vice versa.

As for the implicit (or explicit) expectation of Kirchhoff being
satisfied, that is a lose-lose proposition from the get-go as these
discussions violate the necessary zero scale of wavelength, something
you also covered quite well:
The main difference is that the real-life
coil occupies a significant fraction of the total physical height of the
antenna.


73's
Richard Clark, KB7QHC
 
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