Window radar countermeasures

E81572

Window radar countermeasures were a World War II-era British electronic warfare technique that used clouds of metallic strips to confuse enemy radar and protect Allied aircraft.


Statements (47)
Predicate Object
instanceOf electronic warfare technique
military technology
radar countermeasure
alsoKnownAs Düppel
chaff
category World War II British inventions
aerial warfare tactics
military deception techniques
classifiedStatus highly secret before first use
countryOfOrigin United Kingdom
deploymentMethod dropped from aircraft
designedToCounter airborne interception radar
ground-based radar
developedBy Royal Air Force
developmentContext British radar and electronic warfare research
effect create false radar echoes
mask real aircraft positions
era World War II era
firstMajorUse Operation Gomorrah
firstMajorUseConflict Allied bombing of Hamburg
firstMajorUseLocation Hamburg
influenced modern electronic countermeasures
postwar chaff techniques
introducedInYear 1943
madeOf aluminium foil strips
metallic strips
metallised paper strips
operationalUse night bombing operations
strategic bombing raids over Germany
principleOfOperation creation of radar clutter
radar signal reflection
purpose confuse enemy radar
protect Allied aircraft
reasonForSecrecy fear enemy would copy the technique
relatedTo electronic countermeasures
radar deception
radar jamming
tacticalEffect complicated enemy fighter interception
reduced accuracy of enemy anti-aircraft fire
usedAgainst German radar
usedBy Allied forces
Royal Air Force Bomber Command
Royal Navy
United States Army Air Forces
usedDuring World War II
usedInTheater European Theater of Operations
Mediterranean Theater of Operations

Referenced by (1)
Subject (surface form when different) Predicate
Telecommunications Research Establishment
notableWork

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