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Loop Magnetica Bibanda 20-40metri
Questa antenna e' costruita in cavo coassiale e non richiede un condensatore di sintonia.Il prototipo e' nato per la banda dei 40m
post 07 Jul 2024
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Magnetic Loop Antenna
Aligning the antenna is straightforward, first set the switch to the first band position 20metres and adjust the corresponding trimme
Magnetic loop antenne
Coaxial cable circumference 40 mm. These cables were 30 cm underground and have served as power cables for the VHF antenna for a long time
Magnetic Loop Antenna 30m, 20m, 17m, 15m, 12m, 10m Bands
A properly designed and constructed small loop of nominal 1m diameter will outperform any antenna type except a triband beam on the 10m/15m/20m bands
Magnetic loop double loop
Much has been published about magnetic antennas. Their performance on the air with a loop circumference shorter than 1/4 λ often belies their low theoretical efficiency
Magnetic Loop Antenna
The loop is 1.6m in diameter and uses 8 pieces of 15 mm copper pipe cut to 61cm long. It tunes from 20 through 80 meters
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Aligning the antenna is straightforward, first set the switch to the first band position 20metres and adjust the corresponding trimme
Coaxial cable circumference 40 mm. These cables were 30 cm underground and have served as power cables for the VHF antenna for a long time
A properly designed and constructed small loop of nominal 1m diameter will outperform any antenna type except a triband beam on the 10m/15m/20m bands
Much has been published about magnetic antennas. Their performance on the air with a loop circumference shorter than 1/4 λ often belies their low theoretical efficiency
The loop is 1.6m in diameter and uses 8 pieces of 15 mm copper pipe cut to 61cm long. It tunes from 20 through 80 meters
Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal