Communications and focusing on music, news, and educational programs, Third Broadcast has been mandatory in new apartment blocks since the 1980s and is present in some offices and loud speakers posted in public places. United Kingdom The earliest cable-only radio stations in the United Kingdom was Radio Thamesmead in Thamesmead, South East London and Radio Swindon Viewpoint in Swindon, Wiltshire. Cable relays of early BBC stations (in areas where direct reception was poor) dates back to the late 1920s. Australia The Melbourne suburb of St. Kilda had a landline radio station called 3SA which operated on weekends and public holidays from March 1954 until July 2010. Singapore Rediffusion Singapore was a popular cable radio service on the island from 1949-1980's, which broadcast in English and Chinese. It is now a subscription digital radio service, broadcasting on DAB+. Malta Rediffusion Malta was a popular cable radio service on the island from 1935-1975, with broadcasts in English and Maltese Language. In 1975 the service was nationalised and it was demised on 31 January 1989. It is now part of Radio Malta See also Linjesender An AM or baseband audio based system still used in some parts of the world. Théâtrophone A system for disseminating opera and theatre performances over the public telephone network which predates regular broadcasting. Carrier current A system used in the United States and some other places for very localised distribution of radio programming over electric power cables. Satellite radio Power line communication Digital Music Music Choice CRN Digital Talk Radio Networks Galaxie Max Trax DMX (music) Drahtfunk References Billboard Magazine, July 7, 1973, pages 24 and 28: "Once 'Pirate', Now Cable Radio Pioneer", written by J. Christopher Ehler. Los Angeles Times, Peninsula Edition, June 1972. External links Shaw Communications (Winnipeg) FM Channel Listings Access Sacramento Non-Commercial, Free-form, Volunteer produced Radio North of the DMZ: Essays on Daily Life in North Korea (link to Google books)