I built a G7FEK antenna. It's designed to only be used at 25 feet height (more height does nothing) and is compact. It works on 80 through 10 with no tuner needed. G5RV Antenna. W8ji.com My antenna was installed about 80-100 feet above ground between two tall Pine trees. No, the 300 ohm (or less ideal 450 ohm) does not radiate (except when fed as a T for 160M). The G5RV, fed the normal way, is a simple doublet antenna and the 300 ohm section is just a non-radiating matching section.
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