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Swiss Quad 2 Elements 144 MHz Antenna


Detail of gamma match diet,The core of the RG58 is soldered to two 15 pF capacitors in parallel, which are themselves soldered to the gamma match
post 03 Apr 2024
Swiss Quad 2 Elements 144 MHz Antenna

Antenna for UHF VHF Links

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Homebrew antenna VHF
You build a 1/4 wavelength groundplane antenna

L'antenne colineaire
All elements are connected to the boom directly NOT isolated from the boom, you may mount them on top of the boom or trough the boom

L'antenne Lindenblad
The Lindenblad antenna has ideal features for receiving transmissions from moving satellites during very low passes on the horizon.

Laptop Mini Wireless Antenna
The size was chosen so it could be housed inside the tube of an old pen, to provide rigidity and protection to the antenna

Log per. 144-1,2GHz
Log periodica 144-1,2 GHz ricavata da un'antenna televisiva Fracarro LP345HV


Antenna splitter per VHF-UHF per quattro ricevitori

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

Kits and Components

Amateur radio kits by Kanga US

50MHz to 28MHz RX Converter

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