art wrote:

WHY? bECAUSE THE MAGNETIC FIELD LINES FROM A DIAMAGNETIC MATERIAL
SUCGH 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



Does it matter that aluminum and copper are paramagnetic rather than
diamagnetic? Perhaps you should consider a bismuth antenna. That is the
poster child for diamagnetic metals.

73,
Gene
W4SZ