[TowerTalk] RF on Tower
Speer, Douglas
Douglas.Speer at cns.doe.gov
Tue Oct 16 16:34:04 EDT 2018
I have a phillystran guyed tower holding a Hy-Gain TH11DX and a Force 12 Delta 240 stack. The stack is turned with a small prop pitch motor. The TH11DX utilizes a LPA driven element combined with passive reflector and director elements. The LPA driven elements are RF insulated from the boom but DC grounded through a small choke located at the 10m end of the LPA (out of reach from the tower).
Am I thinking correctly that I probably should NOT consider shunt feeding the tower or feeding it as a half sloper for risk of damaging the small choke or the prop pitch motor? I would at times be running full legal limit to the antennas.
Doug, W5WTX
Amarillo, TX
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