Title:RADAR DEVELOPMENT PART 1: THE EARLY YEARS [Main Title]
Film Number:DRA 1388
Other titles:
Summary: The history of Radar from 1888, through the 1930s then to the rapid expansion of centimetric systems during 1939/45. Explains the logical developments from early CH (Chain Home) stations to systems for coastal defence. Anti-aircraft gun control, detection of low-flying aircraft, air interception by day or night, anti-submarine detection, ground surveillance and the principles of "auto-follow". Shows how war-time Radar progressed from a defensive to an attacking role.