Communications: Electronics and optics, too: Solid-state lasers, optical waveguide, and digital techniques for TV broadcasting come on line

Reviews the important progress in communications and microwave hardware including commercially available solid-state lasers and optical waveguides, a computer-controlled customer-premises private branch exchange, new channel assignments and equipment for mobile telephones, digital techniques as applied to commercial television broadcasting, and design refinements in microwave antennas for communications, radar, and satellite applications.