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Broadbanding half square antenna for 80mt
Half-square antenna is by naturerelatively narrow band.1On80 meters, for example, an SWR be-low 2:1 can be achieved anywhere in theband, but only over a relatively small range 60 to 100 kHz
post 08 May 2024
Antenna 80 meter Links →
80 Meter Antenna
I ran a small single wire from the soffit directly down the side of the building
80 meter doublet antenna design
It is basically an 80-meter dipole fed by a length of 450 ohm ladder line into a balanced antenna tuner
80m Inverted-L Base-loaded for 160m
An antenna for 160 meters inverted " L " for a small garden, with a large loading coil
80 MT Antennas on ARDF
Antenna systems, sensitivity and accurately of 3.5MHz direction finding antennas for ARDF
80m Antenna Spitfire
UA9BA 80m Spitfire Antenna all described antennas have a center element 25 meters high
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I ran a small single wire from the soffit directly down the side of the building
It is basically an 80-meter dipole fed by a length of 450 ohm ladder line into a balanced antenna tuner
An antenna for 160 meters inverted " L " for a small garden, with a large loading coil
Antenna systems, sensitivity and accurately of 3.5MHz direction finding antennas for ARDF
UA9BA 80m Spitfire Antenna all described antennas have a center element 25 meters high
Antenna switch arduino for icom IC-7300 A solution built around an arduino nano and one of the readily available four relay switching boards
Satellite Antenna Rotator Controller and TRACker ARCTRAC is a portable integrated satellite tracking system
Duplexer 2m-70cm- Usare un'antenna bibanda 2/70 con due radio separate V/UHF, usare due antenne separate V/UHF con una singola radio bibanda