Don Schmidt at his home radio station in Strongsville, Ohio. From stations like this, radio amateurs could talk with people across the country and around the world. In late 1970s
“Righi Oscillator” spark-gap oscillator design developed by Italian physicist Augusto Righi in the late 19th century, notable for its use of four metal spheres arranged as a dipole resonator and antenna system.
Righi Oscillator 1895 Working replica by Mario Del Rosario I6DRZ