The book introduces the reader to the history of amateur radio in our country. Young radio operators learn about the material base of radio circles, about safety precautions during classes and competitions. The methodology for teaching the reception and transmission of radiograms in telegraph alphabet, the general structure of radio stations and the work of a telephone on them, the work of shortwaves and ultrashorts are described in detail. Intended for radio amateurs - students in grades 6i - 10. Contents...