So, i'm assuming you're suggesting that I drop the gamma arm down to the 67'
level and see what the impedance looks like? If so, I'm guessing the series
C required to tune would increase in value?
There will be some tap point where the shunt capacitor is not required.
Eliminating the shunt cap will increase bandwidth, reduce voltages, and
improve efficiency.
I'm not sure where the point is, but if I were doing it, I would just leave
the tap point alone and move a shorting wire to the tower from the shunt
wire up and down along the shunt wire and look for 50 ohms J0 when reactance
is nulled.
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