Walter, W2DU wrote:
"Sometime in the future the truth will come out that the EH relationship
you claim, is invalid, destroying your credibility."

Yea, verily! Ever since the command: "Let there be light." was issued,
it has been so. This was many eons before James Clerk Maxwell figured it
all out in the 19th century. Electrical energy that has escaped into
free space exists in the form of electromagnetic waves

Some of the waves we detect have been traveling toward us for billions
of years. Some of tese electromagnetic waves are called radio waves.
They travel with the velocity of light and consist of magnetic and
electric fields that are at right angles to each other and also at right
angles to the direction of travel.

Thank you Dr. F.E. Terman for your well chosen words mixed in with those
above. You can do a right-hand rule maneuver while extending one finger
to illustrate the field directions involved in a radio wave. Terman
gives a better idea with diagrams on page 1 of "Electronic and Radio
Engineering".

The electric and magnetic fields actually generate each other. It was
James Clerk Maxwell who speculated that displacement current (the
dielectric force that moves electrical charges in a capacitor),
generates magnetic flux lines, the same as current in a conductor does.
Subsequently, Maxwell`s point was proved. Out in the near vacuum of the
cosmos, there are few examples of electric current as there are very few
electrons.. Yet radio propagates very well. Maxwell came up with the
secret of propagation of radio and its ilk. A dynamic magnetic field
generates a dynamic electric field, which generates a dynamic magnetic
field and so on ad infinitum.
The same energy is swapped back and forth between fields. That produces
an equal division of energy between the two fields, electric and
magnetic.

Whatever anyone does to launch a radio wave, the secret of propagation
is revealed above and this nature of propagation is likely immutable and
remains unchanged since creation. Nature doesn`t seem to be creating
various new prototypes for a contest for survival of the best adapted
radio wave model. Biological types evolve but it seems it is only our
understanding of physics which evolves.

An EH antenna will have to prove to be better as a transformer to couple
radio sets to free space than the time tested models which occupy a
fraction of a wavelength and can be better than 95% efficient.

Best regards, Richard Harrison, KB5WZI

Richard Harrison wrote:
An EH antenna will have to prove to be better as a transformer to couple
radio sets to free space than the time tested models which occupy a
fraction of a wavelength and can be better than 95% efficient.

Even if an antenna was invented that yielded 100% efficiency instead
of 95% efficiency, what difference would it make? 3% of an S-unit?
--
73, Cecil http://www.qsl.net/w5dxp



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