GEE

E381977

GEE is a World War II–era British airborne radio navigation system used to improve the accuracy of bombing and navigation missions.

All labels observed (1)

Label Occurrences
GEE canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf World War II military technology
hyperbolic radio navigation system
radio navigation system
basedOnPrinciple hyperbolic lines of position
time-difference-of-arrival measurement
component airborne receiver
cathode-ray tube display
ground transmitter chain
conflict World War II
surface form: Second World War
countermeasure German radio jamming
countryOfOrigin United Kingdom
developer Royal Air Force
Telecommunications Research Establishment
effect improved bombing accuracy over long distances
reduced navigational errors at night
era World War II
firstOperationalUse 1942
frequencyBand VHF band
improvedBy GEE-H
introduced early 1942
limitation line-of-sight propagation
susceptibility to jamming
navigationMethod measurement of pulse timing differences
notableUser RAF Pathfinder Force
operationalRole bombing navigation aid
route navigation aid
operatorDisplay oscilloscope-type CRT
primaryUse airborne radio navigation
bad-weather navigation
bombing accuracy improvement
night navigation
range approximately 300 miles over the UK
reduced range at low altitude
signalType pulsed radio transmission
successor LORAN
Oboe
theatreOfUse European theatre of World War II
usedBy Royal Air Force Bomber Command
RAF Coastal Command
surface form: Royal Air Force Coastal Command

RAF Transport Command
surface form: Royal Air Force Transport Command
usedFor mine-laying navigation
pathfinder operations
strategic bombing navigation
usedOnPlatform heavy bombers
maritime patrol aircraft
medium bombers
transport aircraft

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.