Monica tail warning radar
Encyclopedia : M : MO : MON : Monica tail warning radar
Monica was a range-only tail warning radar for bombers, introduced by the RAF in June 1943. It operated at frequencies of 190-220 MHz.
Unfortunately for the RAF, the Germans quickly developed a passive radar receiver, Flensburg (FuG 227), which was used by Luftwaffe nightfighters from Spring 1944 to home-in on bombers using Monica. On the morning of 1944-07-13, a Junkers Ju 88G-1 nightfighter equipped with Flensburg mistakenly landed at RAF Woodbridge. After examining the Flensburg equipment, the RAF ordered Monica withdrawn from all Bomber Command aircraft.
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