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Prototipo di antenna per i 7MHz in 22cm


Prototipo di antenna per i 7MHz di dimensioni maggiori alla precedente, 22cm di diametro
post 01 Apr 2024
Prototipo di antenna per i 7MHz in 22cm

Antenna 40 Meter Links

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Quarter-Wave Vertical Antenna Length Calculator
a quarter-wavelength antenna is easy and inexpensive to build and can be an effective antenna with a low angle of radiation

High Performance 40 Meters Vertical
This shortened easy-to-build vertical, with no-radials, is made from surplus military

Multi dipoles Indoor
Solution of multidipole in the attic


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