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HF Automatic tuner


HF Automatic tuner

The atu is composed essentially of relays commanding inductors and capacitors

post 05 Dec 2024


Antenna Transmatch tuner Links

186



The super tee qrp Antenna Tuner
The SWR bridge reads the reflected voltage, and thus it must be tuned for a minimum light output from the LED

The MFJ tuner with the motor drive attached
This project uses some small gearmotors purchased from Hobby Engineering to drive the inductor switch and the two air variable capacitors on an MFJ 1500W antenna tuner

The Z-Match Antenna Tuner
Charlie's Z-match ideas below have been implemented in my station as my compact portable antenna tuner

The Dentron AT-3K Antenna Tuner
AT-3K only has a switch position for balance line BAL to feed to an external balun


Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

Conrad Electronic

Conrad Electronic Electronic components online shop in German and Italian