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Variable inductances variometer


Variable inductances variometer

A variometer consists usually of two coaxial coils, connected in series, where the coils relative position can be varied in some way

post 03 Oct 2024


Antenna Calculator Links

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Types of Coax Cable and Line Loss
A quick line loss calculator to use note that the simple program used for this web page

VSWR calculator
Enter VSWR, Reflection Coefficient, or Return Loss to calculate remaining values

VSWR Loss Calculator
This calculator is designed to give the efficiency loss of a given antenna, based on the input of VSWR

VSWR to return loss conversion
Conversion tool for converting between VSWR, return loss and reflection coefficient


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