For most of my ham career I thought that a dipole had to be symmetrical --
which will tell you how technically competent I am. Then I read about the
good results that W2UP and others had adding length to just one side. I
was curious about the quantitative side of this, so I modeled a
symmetrical, resonant dipole in free space at 3.5 MHz (actually 3520), then
removed wire from one end to move the resonance all the way to 4.0 MHz.
feedpoint at 3.520 MHz -- 71.9 +j .1 (66.75 feet of wire either side of
center)
feedpoint at 4.0 MHz -- 72.8 +j 3.6 (51 feet on one side, 66.75 on the other)
QED
73, Pete N4ZR
www.qsl.net/n4zr
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