N7DDC autotuner with power over coaxial cable

I made N7DDC popular ATU-100 antenna tuner in the basic version (5×5) in 2019, and I added my experience with it on our website in the post  CHA-250B antenna by SP5GNI. The original documentation of the ATU-100 tuner can be found on the Github portal as well as elsewhere (example). The schematic diagram can be […]

Es’hail-2 (or QO-100) for beginners

I bought a 80 cm satellite dish (16 Euro), a converter (4 Euro), installed it on the roof and set it up on the satellite (Dish Pointer was very helpful for azimuth and elevation finding). In our conditions, a 80 cm satellite parabola is a reasonable minimum when it comes to the receiving antenna. I […]