We use cookies on this website.
By continuing to use this site without changing your cookie settings,
you agree that you are happy to accept our privacy policy
and for us to access our cookies on your device.
Summary: Radar training film on reading echoes of aircraft from cathode ray tubes at radar stations, specifically focusing on basic counting on the Chain Home (CH) radar system. How to identify a single aircraft, or two, three, or four, before switching to identify if it is a formation or aircraft on the same range but different bearings. How to read mass formations and differentiation of permanent echoes from aircraft.