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Old May 24th 06, 05:34 AM posted to rec.radio.amateur.antenna
Yuri Blanarovich
 
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Default FIGHT? Here is another W8JI myth bone!


"Richard Harrison" wrote

Similarly, all the energy can be transferred through the electric field
with zero magnetic coupling. Imagine two separately shielded coils. Now,
use a coupling capacitor to transfer the energy from one coil to the
other. Voila! E-field transfer with zero magnetic coupling. It`s no
myth. It`s a fact.

Best regards, Richard Harrison, KB5WZI


I wonder how the gurus 'splain the different behavior of vertical vs.
horizontally polarized antennas, where E field determines the way signals
reflect and form the pattern. If E and H fields are so "inseparable" there
should be no difference, right?

They are ignoring behavior of E and H fields within the near field of
antennas and workings of the shield.

Another example of shield's performance was when I had small shielded loop
next to the Beverage. The combination gave better S/N performance and better
signal levels than each of them alone. Again, shield performing shielding
function in the vicinity of near field of both antennas. Loops were tunable
and performing as an antenna, shield was shielding from the near by
interference and providing symmetry. FACTS - verifiable not subject to wild
speculations about current crawling around the edge to inside of tubing, or
antenna inside of electrostatic shield quitting to work as antenna because
of "W8JI shield is antenna teachings".

--
Yuri Blanarovich, K3BU, VE3BMV


 
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