DOSAAF Publishing House publishes collections "To help the radio amateur" together with the DOSAAF Central Radio Club. These collections provide descriptions of amateur designs of receiving, recording, amplifying, measuring, television, HF and VHF equipment, as well as various reference and calculation materials. Starting from issue No. 10, collections also contain materials on the topics of the former "Library of the magazine "Radio." The brochures of the series "To help the radio amateur" are designed for wide circles of radio amateurs...