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2-element Parasitic Vertical Array for 80
Monopole is 20.2 meters long and 50 mm diameter aluminum, fed at the bottommost wire segment. The chosen diameter is an average value assuming a tapering schedule for telescoping aluminum tubes
post 28 Jan 2024
Antenna 80 meter Links →
Antenne double-bazooka
The double-bazooka consists of 1/2 lambda of coaxial cable cut in the center or twice 1/4 of lambda
Antena doble Bazooka para 80 metros
The antenna called double bazooka was designed to be used in radar by the staff of M.I.T.
1/4 Vertical bazooka antenna for the 40m
I needed a omnidirectional antenna for the 40m here is the schema of the antenna
Coaxial Antennas
I constructed a simple horizontal dipole with each half comprising RG58 coaxial cable about 35 inches 900mm long
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The double-bazooka consists of 1/2 lambda of coaxial cable cut in the center or twice 1/4 of lambda
The antenna called double bazooka was designed to be used in radar by the staff of M.I.T.
I needed a omnidirectional antenna for the 40m here is the schema of the antenna
I constructed a simple horizontal dipole with each half comprising RG58 coaxial cable about 35 inches 900mm long
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