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1975 Chronokey Chronomedia index
Numbers after entries link to the list of references.

links and notes
  Cultural highlights | Predictions made this year  
January 1  BBC Radio Ulster begins transmissions.  
January 6  In US, ABC launches AM America early morning television show. After 10 months it is replaced by Good Morning America.  
January 22, 06:00  First transmission by Radio Forth, Independent Local Radio (ILR) station for the East Central Scotland (Edinburgh) area.  
January  Altair 8800Altair 8800 'personal' computer is introduced in the USA by a company called Micro Instrumentation and Telemetry Systems (MITS), based in Albuquerque, New Mexico. The bright blue box incorporates a 2 MHz Intel 8080 microprocessor with a 256-byte RAM and a front panel octal display to show results. It has no keyboard, video display or output device and costs $495, or $395 in self-assembly kit form. Featuring on the cover of this month's Popular Electronics magazine, it sells 4,000 within three months.  
March 14  Last transmission by Bristol Channel, one of the UK local community cable television experiments.  
March 17  TeD video disc system is launched commercially in West Germany. Go to TeD video disc The Quest for Home Video: TeD
March 31  Lady Plowden succeeds Lord Aylestone as chairman of UK’s Independent Broadcasting Authority.  
April 1  UK television licence fee is increased from £7 to £8 for monochrome but from £12 to £18 for colour; it is argued that many people watching in black and white are less able to afford an increase. > 1977
April 10  Australian Broadcasting Control Board receives 11 applications for a community broadcasting licence in Melbourne > May 14
April 16  Sony announces the launch of the Betamax videocassette recorder format in Japan. Using half-inch tape cassettes, the format is launched in the US in November/December.  
April 21  Canadian House of Commons passes an Act to replace the Canadian Radio-Television Commission (CRTC) with a new body, the Canadian Radio-television and Telecommunications Commission (CRTC).  
April  CN Tower for Communications opens at Metro Centre, Toronto, Canada—the fourth tallest structure in the world at 553m.  
April  Royal Commission on Violence in the Communications Industry is set up in Ontario, Canada.  
May 7  Telesat 3 geostationary satellite is launched.  
May 14  Australian Broadcasting Control Board receives five applications for a commercial radio licence in Melbourne, less than half the number for a community station < April 10
May 19  First Indian satellite, Aryabhata, is launched. > August 1, > 1980
May 19  First transmission by Plymouth Sound, the West Country Independent Local Radio (ILR) station.  
June 9  First live radio broadcast from the House of Commons in the UK parliament.  
June 24  First transmission by Radio Tees, Teesside area ILR station in north-east England.  
July 3  First broadcast of Radio Trent, Nottingham area ILR station.  
July 31  First of the new transmitters in Canada’s Accelerated Coverage Plan (ACP) goes into operation at La Ronge, Saskatchewan.  
July  Oracle (Optional Reception of Announcements by Coded Line Electronics) teletext service, using standards harmonised with BBC's Ceefax, begins on ITV. > 1992 December 31
August 1  Satellite Instruction Television Experiment (SITE) begins in India, using satellite to beam basic educational programmes to communal receivers in remote villages. < May 19
August 1  UK Prime Minister Harold Wilson appoints a Working Party on the Future of the British Film Industry (chairman: John Terry).  
August 18  BBC Nine O’Clock News includes the first female newsreader, Angela Rippon.  
August 27  Symphonie 2 geostationary satellite is launched.  
•  UK community cable television experiments at Bristol and Wellingborough close.  
September 1  Surviving UK community cable television experiments at Sheffield and Greenwich transmit advertising for the first time.  
September 16  Pennine Radio, the Bradford area ILR station, goes on the air.  
September 26  Intelsat IV-F1 geostationary satellite is launched.  
September  Television service starts in Yemen Arab Republic. Television service start dates
September  Canadian Broadcasting Corporation removes all commercials from programmes aimed at children aged 12 and under; pre-school programmes are already free of advertising.  
September  World’s first regular operational optical fibre link installed in the UK by ITT for the Dorset police to connect their computer and control room video display units.  
October 14  Radio Victory begins transmissions as the Portsmouth area ILR station.  
October 28  Radio Orwell begins transmissions as Ipswich area ILR station.  
November 3  FM stereo radio transmissions begin on the CBC English-language network from stations in Calgary, Halifax, Montreal, Ottawa, St John's, Toronto, Vancouver and Winnipeg.  
December 13  RCA Satcom I satellite is launched.  
December 22  Soviet Union’s Statsionar I geostationary satellite is launched.  
December 23  Working Party on the Future of the British Film Industry reports, recommending creation of a British Film Authority with overall responsibility for the industry. Official British media reports
December 28  Classical music station Radio Hilversum IV goes on air in the Netherlands.  
December  Home Box Office (HBO), Time Inc’s premium movie channel hitherto delivered to cable operators on videotape, achieves nationwide US availability via Satcom 3-R, starting the trend to satellite-delivered cable channels.  
December  Television service in Gabon converts to SECAM colour.  
•  Colour television broadcasting starts in Australia, using the PAL standard.  
•  Australian Broadcasting Control Board increases Australian television drama screen quota from 72 to 104 hours a year.  
•  Charter of African Film-makers promulgated after second congress of FEPACI in Algiers.  
•  First dramatic feature film made in
• Cameroon: Pousse-pousse, directed by Daniel Karawa.
• Guyana: Aggro Seizeman, directed by James Mannas and Brian Stuart-Young (the only Guyanan film to date).
•  Australian Film Commission is established; it takes over control of Film Australia.  
•  Microsoft is founded by Bill Gates and Paul Allen. > 1981
•  Philips acquires American electronics company Signetics.  
•  Japanese companies Mitsubishi and Nintendo collaborate on the development of a video game application for the EVR video format. Go to Quest for Home Video The Quest for Home Video: EVR
•  Television services start in Angola, Mozambique and the Ellice Islands (soon to be Tuvalu). Television service start dates
•  IBM introduces the Model 5100 'personal computer'. It incorporates a proprietary microprocessor and has between 16k and 64k RAM, with a tape drive for data storage. It sells for $8,975-$19,975, depending on the specifications.  
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Page updated 1 March 2011
© David Fisher