Richard Harrison wrote:
The double-page figure is arranged into (8) vertical columns of
radiation patterns. Each column is for a different physical spacing
between the two parallel elements. All of the (5) patterns in a vertical
column have the same physical space between elements.

The only change between patterns in a vertical column is the phase angle
between the two elements.

Are they assuming equal currents into each element? That's the real trick.
--
73, Cecil http://www.qsl.net/w5dxp



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