[k3ng] built his own automatic antenna tuner. First, it measures the SWR of the line by using a tandem match coupler. This device allows the forward and reflected signals on the line to be extracted.

This project is intendet to crate an automatic tuner for stepper motor controlled magnetic loop antennas and to learn programming the ARDUINO MEGA 2560. The code is far from beeing perfect also the ...

The CG-3000 is an automatic antenna tuner from CG Antenna, covering the entire HF range. The device is intended to be used in conjunction with the Vertex VX-1700 radio station, ensuring the ...

Icom AT-140 is an automatic antenna HF tuner for use with IC-78, IC-M802, IC-M710, operating in the frequency range 1.6 ... 30 MHz, with a maximum output of 150 watts. The device is easy to use thanks ...

Barrett Communications is pleased to announce the release of its new range of Automatic HF Antenna Tuners (ATUs). The 4045 Automatic HF Antenna Tuner, the 4049 Automatic Tuning Mobile HF Antenna and ...