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QRO No Tuner Multiband Dipole
One of the last upgrades to the dipole before experimenting with high-power tuning was to change the 300 ohm window line to 600 ohm ladder line. The higher-Z open-wire lines experience less loss overall, which means that they can operate at higher SWR than the lower-Z lines for a given loss value
post 06 Jun 2024
Antenna Multibands Links →
Antenna multiband 10,20,40mt
Bi-directional radiation perpendicular to the strands of the doublet Impedance from 50 to 75 ohms depending on the angle of the reverse V
Antenna Half Sloper Multiband 1.8, 3.5, 7, 14, 21, 28 MHz
I made about 25,000 QSOs on it mainly in international contests - in 1.8, 3.5, 7, 14, 21, 28 MHz bands. The antenna also works effectively in WARC bands
Antenna multibanda windom
Questa semplice antenna multibanda lavora su tutte le gamme HF, dai 3.5 ai 30 MHz, incluso le bande WARC
Antena Windom pro pasma 160 a 80 metru
Build an antenna for 160 and 80 m no tuner antenna
Antena Dipolo corto sin trampas para 80-40 y 15 Mts
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Bi-directional radiation perpendicular to the strands of the doublet Impedance from 50 to 75 ohms depending on the angle of the reverse V
I made about 25,000 QSOs on it mainly in international contests - in 1.8, 3.5, 7, 14, 21, 28 MHz bands. The antenna also works effectively in WARC bands
Questa semplice antenna multibanda lavora su tutte le gamme HF, dai 3.5 ai 30 MHz, incluso le bande WARC
Build an antenna for 160 and 80 m no tuner antenna
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