Cecil
Seems like the model is lacking in all the details
and frankly I feel I am looking at an intentianal sham for some reason
For instance you do not show coupling to ground which is why I am suspicious
since resonance is unavoidably affected by nearby objects as well as ground
I f you drew your model the same way you portray
your G5RV or Zepp type dipole to accomodate
the loss of coupling to ground I would feel a lot better.
You also have not specified a a frequency of use that
is also conspiciuos now I have been moved to a suspicious aproach especially
when you interchange wavelength and size of inductance at the same time
ignoring the coupling effects of said items which affect phase change..Plus
ignors the radiation effect even tho it may be self cancelling since you
show it as zero length !
Methinks I have to study the model more for a troubling omission like the
addition of a inductance that is dimensionless and large compared to a model
that ignores factors such as coupling.and the like.
No disrespect intended
Regards
Art
Art
"Cecil Moore" wrote in message
...
Tdonaly wrote:
Mark wrote in reply to Cecil,
I know you have said it multiple times, but so far I don't recollect
anyone actually measuring a real world coil, and finding max current
at the top of the coil. That is what is bothering me. MK
Cecil doesn't actually have to measure anything, since he's already
convinced
he's right because his arguments agree with the theory he made up in his
head.
Well, just so you guys can understand what I am talking about, here is
an EZNEC file that clearly demonstrates low current at the bottom of
the coil and high current at the top of the coil.
http://www.qsl.net/w5dxp/sqcoil.ez
The real test will be when someone tries to make a new, improved
antenna based on the belief that the current taper on the loading coil
of a physically short antenna makes a tinker's damn worth of difference
in the far field radiation of said antenna.
Nice try, but that's just a copout diversion because the far field
radiation is irrelevant to the argument over current through a
loading coil.
--
73, Cecil http://www.qsl.net/w5dxp
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