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A 144 MHz Halo
Si tratta di un dipolo a λ/2 richiuso a forma di cerchio,con gli estremi distanziati fra loro,e alimentato tramite Gamma Match
post 19 Aug 2024
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2 meter halo antenna
The antenna I show here is my third generation design. The goal for this next design was to build something that I could get a good SWR
Project 2m Halo for 144 MHz
Polarisation is horizontal while the radiation pattern is omnidirectional
4m Halo Antenna
Using aluminium tubes from 4 and 6 mm The boom (H) is made with an aluminium profile 10/10 mm square section
50MHz halo Antenna for mobile
Six Metre halo be centred on 50.125 MHz so that it can work efficiently in the DX segment of the band but will still be effective on 50.150 MHz and above
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The antenna I show here is my third generation design. The goal for this next design was to build something that I could get a good SWR
Polarisation is horizontal while the radiation pattern is omnidirectional
Using aluminium tubes from 4 and 6 mm The boom (H) is made with an aluminium profile 10/10 mm square section
Six Metre halo be centred on 50.125 MHz so that it can work efficiently in the DX segment of the band but will still be effective on 50.150 MHz and above
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