A Useful ATU Circuit
    It uses a parallel circuit for 30 - 80 and a series tuned arrangement for the bands up to 10 metres The mode of operation is selected by a DPDT switch
Hits 
post 05 Oct 2026



Antenna Transmatch tuner Links →

173



Accordatore LC 10m 40m
    Agendo sulle due manopole riesco ad accordare tutte le bande comprese tra i 10 e i 40 metri, WARC


Tunner per Antenna tipo canna da pesca
    Modifica fatta ad un accordatore ZetaGi M 27 surplus


QRP Z-Match
    The two variable capacitors are very compact. A simple SRW bridge allows to indicate the best tuning positions and an additional 150 pF capacity can be switched on, to help tuning shorter wires if necessary


Microsat

Microsat Ham radio shop for ulari project, aprs, aprs with radio, bluetooth, gps, gsm, ham radio interfaces, weather,accessories, cables to radio

Kits and Components

Amateur radio kits by Kanga US

Enigma Component Shop

Enigma Component Shop Cable & wire,capacitors, connectors, crystals/oscillators, filters, hardware,kits/modules,test & measurement