Gee navigation system

E81571

The Gee navigation system was an early British radio navigation aid used during World War II to help Allied aircraft determine their position and improve bombing accuracy.


Statements (48)
Predicate Object
instanceOf World War II military technology
hyperbolic navigation system
radio navigation system
accuracy on the order of a few hundred yards at short range
alsoKnownAs GEE
basedOn time-difference-of-arrival measurement
component airborne receiver
cathode-ray tube display
ground transmitter stations
conflict World War II
controlledBy British Air Ministry
countermeasure German jamming
countryOfOrigin United Kingdom
developedFor strategic bombing campaign
developer Royal Air Force
Telecommunications Research Establishment
era 1940s
firstOperationalUse 1942
frequencyBand VHF
introduced 1942
notableFor being one of the first operational radio navigation aids for bombers
improving the accuracy of early-war RAF bombing operations
operationalRegion United Kingdom NERFINISHED
occupied Europe
operator navigator
predecessor visual navigation methods
primaryUse aircraft navigation
bombing accuracy improvement
principle hyperbolic position fixing
range approximately 300 miles over the UK
signalType pulsed radio signals
status obsolete
successor GEE-H navigation system
LORAN
Oboe navigation system
technologyType electronic warfare and navigation equipment
usedBy Allied air forces
Royal Air Force
usedByAircraftType Avro Lancaster
Handley Page Halifax
Short Stirling
de Havilland Mosquito
usedByBranch RAF Bomber Command
RAF Coastal Command
usedFor blind bombing
navigation in poor visibility
night bombing
usedInTheatre European theatre of World War II

Referenced by (2)
Subject (surface form when different) Predicate
Telecommunications Research Establishment
notableWork
Oboe
predecessor

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