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Orford Ness has been involved in radio direction finding in the inter-war period, and the development of radar prior to World War 2. In the Cold War period, IRGON believes that Orford Ness was the location for three different over-the-horizon radars (OTHR) systems. These were an AWRE developed system for nuclear detonation (and possibly missile launch) detection which operated in 1960, and a large UK/US system (COBRA MIST) which was installed in the 1970s.
IRGON research continues in the field of radio and radar on Orford Ness.