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Bi-Quad Antenna Calculator


D is the Distance from the Dipole to the Reflector
post 05 Dec 2024
Bi-Quad Antenna Calculator

Antenna Calculator Links

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AM Loop Antenna Calculator
Below you will find plans to build a three or four foot box loop for the AM broadcast band

Design Your Own Dipoles And Inverted Vees
The formula for these types of antennas vary from about 476/f Mhz to 490/f MHz depending on the band and the height above ground!

Double Extended Zepp NVIS Antenna Calculator
The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna


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