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Old April 18th 09, 01:39 AM posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Mar 2007
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Default Dish reflector

Roy Lewallen wrote:
I measured current, which as everyone with a Novice or higher grade
license should know is the rate of flow of charge(*). The charge flows
in one direction during each half cycle, and in the other during the
other half cycle, resulting in current which is positive for half the
cycle and negative for the other. This is known as "alternating
current". In fact, my measurement system (ferrite core transformers)
will only detect alternating current.


Roy, you once verified that the phase of the total current
on a 1/2WL dipole changes by less than 10 degrees over the
entire 180 degree length of antenna. How can you use a current
that changes phase by only 10 degrees in 180 degrees of antenna
to measure the delay along the wire? If you cannot do it along
a wire, what makes you think you can do it through a loading
coil.

For the readers who don't know, Roy absolutely refuses to answer
any of my questions like the above.
--
73, Cecil, IEEE, OOTC, http://www.w5dxp.com
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