On 6 Jan, 14:14, (Richard Harrison) wrote:
Aet wrote:

"WHY? beCAUSE THE MAGNETIC FIELD LINES FROM A DIAMAGNETIC MATERIAL SUCH
AS ALUMINUM OR COPPER IS AT RIGHT ANGLES TO THE AXIS OF CURRENT FLOW
WHICH IS NOT THE SAME AS WITH A FERRITE MAGNETIC MATERIAL.

My experience with broadcast towers is that it matters not if a steel
tower is painted or zinc coated it works the same.

Terman`s 1955 opus says on page 21:
"When a current is flowing through such a conductor (he makes no
distinction between iron or copper, but does describe an isolated round
wire), the magnetic flux that results is in the form of concentric
circles, as shown in Fig. 2-9. It is to be noted that some of the flux
exists within the conductor and therefore links with , i.e.,encircles,
current near the center of the conductor while not linking with current
flowing near the surface. The result is that the inductance of the
central part of the conductor is greater than the inductance of the part
of the conductor near the surface; this is because of the greater number
of flux linkages existing in the central region."

Terman is describing "skin effect".

"Right hand rule" definitions also say magnetic flux encircles the
current carrying conductor. Art`s assertion is "off the wall".

Best regards, Richard Harrison, KB5WZI *

No. It is keeping up to date. Terman died before all these things
become known and basically you are also dead when you cannot move
forward with the times. Go to google and look up diamagnetic materials
and diamagnetic fields. While you are at it check out the rotation of
a pendulum and how its curls are explained. While you are at it
explain why a radiator being parallel to the earth does not produce as
much horizontal gain as a tipped antenna.I dare you to come back and
explain what you discovered.
You can't hold back father time or the advance of science by holding
on to old books. Methinks you are better staying with ficticious waves
that bounce into each other with the other instant experts.
Art