Technique and technology of Soviet broadcasting in eighth and ninth five-year plans

In the development of technical means of broadcasting in this period there are several key areas. First, it is the development and implementation of more effective transmitters, antennas, microwave transmitters with frequency modulation. Second, it is modernization and efficiency of radio networks, as well as expansion of the channels of TV programs both through the use of new cable and radio links, and by sealing operating channels. In addition, during the second half of 1960s - the first half of 1970s there were widely introduced synchronous networks, and automatic control equipment quality characteristics of radio transmitters. Development of broadcasting in the 1970s came up, in the first place, on a limited number of selected for this purpose channels in the range of long, medium, short, and, in some areas, ultrashort waves. The large size of the USSR was to be considered: the presence of multiple time zones, multinational language of the population, economic development of individual specialization areas, to warrant the simultaneous operation of a large number of transmitters in different programs. The total length of wire broadcasting network in the country in 1975 was about 2 million square kilometers, it fed more than 50 million radio sets. The total power amplifiers stations and substations network was several tens of thousands of kilowatts. Even the rapid development of television and radio did not reduce the rate of growth of the wired network. The solution of scientific, technical and engineering problems of wired network pursued one goal - to create the technical media, which would be very simple, inexpensive, and, if possible, generally available. That is why wire broadcasting firmly established in the Soviet way of life, and was, in fact, considered as a usual utility. In the 1970s all the buildings under construction, both residential and public, were necessarily equipped with wired networks. Formed in the preceding period directions of development of the reception techniques did not change significantly. As before, the works were done to improve the quality of receivers and improve their production technology, the use of higher frequencies, develop a theory of reception, as well as address the challenge of noise immunity. One of the characteristic features of the development of receivers in the 1970s was their complexity due to increasing demands for basic electrical characteristics, reliability, weight and size. Thus, during the eighth and ninth five-year plan the country was provided with reliable reception of two broadcast programs in medium-, long-, short-and VHF bands. There was completed installation of radio for all settlements to be in conformity with the plan of wired broadcasting coverage. Works for automation radio stations were widely initiated. Multiprogram wired broadcasting received further development in the cities and then in the countryside.

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