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Ok 22nd edition 3-17


Azimuthal radiation pattern comparing symmetric and asymmetric radials at 7.25 MHz


The paragraphs speak about pattern distortion up to 3dB (that is more gain than could be produced !) So get them wrong and it seems you can lose energy where you want it.


"Clearly even small radial length asymmetry can have a dramatic effect on the feed point impedance and resonant frequency"