Teletext a plug in circuit board. It took another decade before the decoders became a standard feature on almost all sets with a screen size above 15 inches (teletext is still usually only an option for smaller "portable" sets). From the mid-1980s both Ceefax and ORACLE were broadcasting several hundred pages on every channel, slowly changing them throughout the day. The "Broadcast Teletext Specification" was published in September 1976 jointly by the IBA, the BBC and the British Radio Equipment Manufacturers' Association. The new standard also made the term "teletext" generic, describing any such system. The standard was internationalised as World
BBC World Service 2012 and the final broadcast from Bush House was a news bulletin broadcast at 11.00GMT on 12 July 2012. The BBC World Service encompasses an English 24-hour global radio network and separate services in 27 other languages. News and information is available in these languages on the BBC website, with many having RSS feeds and specific versions for use on mobile devices, and some also offer email notification of stories. In addition to the English service, 18 of the language services broadcast a radio service using the short wave, AM or FM bands. These are also available to listen live