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of Broomhill Road, London, the principal manufacturing company of the Rediffusion group.
1931 Rediffusion Limited formed the company
1946 Redifon was incorporated
1948 The company moved to Crawley in West Sussex.
1949 Name changed.
1949 Makers of airport radio (see adverts)
1951 First Redifon flight simulator had been installed
1956 Supplied complete radio communications system to the Iranian police and other countries
1961 Manufacturers of radio communications equipment, industrial electronic equipment, flight and radar simulators, computers. 2,000 employees.
1966 Redifon's activities included:
1968 Voice-frequency terminal for the Royal Navy.
1988 the company was bought by Hughes Aircraft and renamed Hughes Rediffusion Simulation (HRSL).
1994 the company was taken over by Thomson-CSF, who merged it with Link Miles (acquired by Thomson-CSF in 1990) and renamed the company Thomson Training & Simulation (TTSL). The merged companies were based at the Manor Royal site at Crawley.
1998 the simulation business of Wormald Technlogy of Australia was bought and renamed Thales Training & Simulation Pty Ltd (TTSP). In the USA, Burtek, bought in 1979 by Thomson-CSF, was renamed Thomson Training & Simulation Inc.
At the end of 2000, the company was renamed Thales Training & Simulation (TTS) when the parent company was re-branded as Thales.
2012 Thales sold its civilian fixed-wing simulation business to L-3 Communications Link Simulation and Training in August. The purchase included the TTS Crawley plant but not Thales's military rotary-wing (helicopter) simulation business.