Space telecommunications at present and in future

The paper presents information on space telecommunications, which includes a brief summary of the development of the last twenty years, as well as some of the principles on which the Space Treaty of 1967 is based. Attention is given to the agenda of the World Administrative Radio Conference, to be held in latter part of 1979. Topics that will be discussed are examined, including geostationary satellite orbit, broadcasting-satellite service, telecommunication satellite systems, earth exploration satellites, solar power satellites, and the search for extraterrestrial intelligence.