Australian Radio: The Technical Story 1923-83

Describes in detail the gradual development of improved broadcast transmitters and receivers, including wireless radiotelegraph to modern high speed data transmissions; mobile radio communications by the Victorian Police to new microprocessor-controlled installed by Telecom Aust.; evolution of multi-channel telephone systems to microwave broadband bearer systems; integrated radio communication networks employed in major industrial spread over vast areas of Aust; record playing equipment from the electric pickup to digitally-recorded compact disc.; tape recording and playback equipment from earliest times to modern auto-reverse cassette; audio frequency amplifiers, loudspeakers and sound reproduction; instrumental landing systems and aeronautical navigational aids; VHF FM broadcasting in Aust. intro. to MF AM stereo; patent situation of Australian radio.