AMPTEC LA4000 HF Power Amplifier , designed for use on all short wave amateur bands from 1.8 to 29.7 MHz , including WARC bands
and all modes. It is equipped with a two pieces of ceramic tetrode FU728F.
Equipment
SDRplay SDRconnect demo at Friedrichshafen 2022
This video shows the demo we showed at Ham Radio 2022, in Friedrichshafen, Germany. This demonstrates the core underlying technology behind what we’re... Read more
Building a Yaesu FT-891 remote control box
Dave, KZ9V stops by the shack, and share with us his memory keyer remote control box he built for the Yaesu FT-891 Read more
4 Way Remote Antenna Switch with WiFi
Remote Antenna Switch 2022 saw the return of the Dayton Hamvention and also celebrated the 70th anniversary of the world’s largest ham radio tra... Read more
Expert Linear 1.5-FA Solid State Amplifier [ Hamvention ]
Solid State Amplifier Powerful: 1.5 kW typ. (+/- 0.5dB) Very Light: about 10 kgs (about 22 lbs). Very Small: H 12, W 28, D 36 cm. (4.72″ X 11.2... Read more