Roy Lewallen wrote:
In the steady
state, there is no test which can be devised that can distinguish an
antenna (including feedline, if desired) from a black box containing
lumped components -- a lumped component circuit(*).

You can't distinguish between a resonant 1/2WL dipole and a dummy load
using a field strength meter? :-) You can't distinguish between a
dummy load impedor and a resonant dipole impedance? How about just
looking to see if a physical impedor exists? Those two impedances even
have different definitions in the IEEE Dictionary.

Cecil, if you feel a need to expound yet more on your theories, please
do so in one of the many threads you've come to dominate already, start
a new one, or concentrate your efforts on your forthcoming QEX article.
I hope you'll let us try and make an objective and hopefully helpful
contribution from time to time on this newsgroup without your constantly
attempting to steer the discussion to your theories.

Their not my theories, Roy. For instance,
the IEEE Dictionary distinguishes between the (virtual) feedpoint
impedance of a resonant antenna and the impedance of an impedor,
e.g. a dummy load. Those two impedances have *different* definitions.
A dummy load impedor is the *cause* of the load V/I ratio. The
resistance of a resonant 50 ohm antenna is the *effect* of the
feedpoint (superposed-V/superposed-I) ratio. Isn't it past time
for completely ignoring cause and effect?
--
73, Cecil http://www.qsl.net/w5dxp

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