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VHF/UHF/HF X-Beam Antenna
On air testing has shown that it is indeed directional,I have a 1.1swr for 144.2 and a 1.8swr for 432.1. 50.125
post 24 May 2024
Antenna for UHF VHF Links →
collineare 900MHz
Per le prove ho utilizzato uno spezzone di cavo RG213, ma qualsiasi altro cavo puo' andar ben
Double 5/8 Flower Pot Antenna
Constructing the antenna using RG59 75 OHM solid dielectric cable and bringing the feed co-axially down through the bottom element as below
Folded dipol for 2 mtr and 70cm
Dual Alford Slot Antenna
155
Per le prove ho utilizzato uno spezzone di cavo RG213, ma qualsiasi altro cavo puo' andar ben
Constructing the antenna using RG59 75 OHM solid dielectric cable and bringing the feed co-axially down through the bottom element as below
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