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Engineering Announcements
Engineering Announcements for the Radio and Television Trade, sometimes abbreviated to Engineering Announcements, was a weekly magazine of news and information intended for technicians and salespeople in the United Kingdom, produced and transmitted by the Independent Television Authority from 23 November 1970 until 31 July 1990. It covered technical advances in the industry such as the launch of satellite television and NICAM stereo, along with details of new transmitters and the scheduling of transmitter downtime. Engineering Announcements, and the BBC's similar Service Information, are examples of regularly scheduled "ghost programmes," so called because they were never advertised in on-air schedules, in newspaper TV listings, the TV Times or on teletext.