Art Unwin wrote:
By the way John, read the book and determine why he points to a pitch
angle for best results
Thus pitch angle is not at right angles so perhaps you can explain
that.

Art, don't know if you have Balanis or not, but on page 134
of "Antenna Theory", 2nd edition, his example of a radiation
vector from an infinitesimal dipole is not perpendicular to
the dipole direction.
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73, Cecil http://www.w5dxp.com