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A antenna for 435 MHz


This antenna is nothing more than the coaxial version of the J antenna J pole, see here. It consists of a half-wavelength radiating element, the electrical equivalent of the half-wave dipole, but fed by a tip
post 05 Feb 2024
A antenna for 435 MHz

Antenna for UHF VHF Links

155



Antennes Slim Jim 145 Mhz
Setting the R.O.S. is simple, it is done by moving the 2 bars of domino

Array 2 yagi 5 elementi VHF
Le caratteristiche sono queste 5-Element 28-Ohm-Type Boom 2m, Gain 9dBd F/B > 20dB

Big wheel 432 Mhz
Simile ad un trifoglio, in parallelo nonche' in fase e posizionati a 120 gradi fra loro,coprendo cosi' una circonferenza virtuale


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