Hits 

144/440mhz Biquad


This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one
post 30 Mar 2024
144/440mhz Biquad

Antenna 6 meter Links

102



Antenna boomless tribanda per i 50/144/440 mhz
Questa realizzazione occupa poco spazio, e' leggera, non necessita del rotore

Chris Gare's 50MHz Power SplittersThe use of power splitters and combiners is widespread in amateur radio but the design of these circuits is often considered to be a 'black art


COAX antenna projects 2 and 6 meter
Uses formula for calculating the coax lengths 984 x .66/your frequency/4= 1/2 of the driven element, but I did not leave the 20% longer sections as I was not going to use insulators


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