Soviet radio amateurism has been developing for several decades, increasingly mastering the short wave range. Two-way telegraph and telephone radio communications at close and long distances at different times of the day and year have already been mastered by a short-wave radio amateur. In addition to the short-wave range, radio amateurs are provided with a section of the ultra-short-wave (VHF) range" for the development of which a wide field of activity is open. The nature of the propagation of ultra-short and short waves, the design of the equipment are fundamentally different...