A simple radio: just a wire coil, a capacity and antenna. No battery, the radiowaves provide all necessary energy. (The laptop is only used for its loudspeakers.)
Picture taken during JOTA, Jamboree on the Air.
A simple radio: just a wire coil, a capacity and antenna. No battery, the radiowaves provide all necessary energy. (The laptop is only used for its loudspeakers.)
Picture taken during JOTA, Jamboree on the Air.