End-Fed Half-Wave Antenna for 20m 40m 80m

How to Design and Build a Field Expedient End-Fed Half-Wave Antenna for 20m, 40m and 80m. This Shorty 80m EFHW comprises a 49:1 autotransformer (to match the very high impedance at the end of a half-wave wire), a half-wavelength wire for 40m (also a quarter-wavelength for 80m), a loading coil and a short tail wire. The coil and the short tail wire (about 6 feet) make up the other quarter wave on 80m.

Category : Antennas/End-Fed/End Fed Half Wave Antenna

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Antennas/End-Fed/End Fed Half Wave Antenna - EFHW End Fed Halfwave Antenna

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