FLR-9 antenna array
E515296
Cold War military installation
circular antenna array
high-frequency direction-finding system
signals intelligence collection system
The FLR-9 antenna array is a large, circular high-frequency direction-finding system used during the Cold War for long-range signals intelligence and communications interception.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| High-Frequency Direction Finding | 1 |
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
Cold War military installation
ⓘ
circular antenna array ⓘ high-frequency direction-finding system ⓘ signals intelligence collection system ⓘ |
| alsoKnownAs |
Elephant Cage
NERFINISHED
ⓘ
Wullenweber antenna array NERFINISHED ⓘ |
| capableOf |
determining bearing of HF radio transmitters
ⓘ
intercepting over-the-horizon HF communications ⓘ |
| controlledBy |
Electronic Security Command
NERFINISHED
ⓘ
United States Air Force Security Service NERFINISHED ⓘ |
| countryOfDeployment |
Germany
NERFINISHED
ⓘ
Italy NERFINISHED ⓘ Japan NERFINISHED ⓘ Philippines NERFINISHED ⓘ Turkey NERFINISHED ⓘ United Kingdom NERFINISHED ⓘ United States NERFINISHED ⓘ |
| designedFor |
360-degree azimuth coverage
ⓘ
long-range HF signal coverage ⓘ |
| developedBy | United States defense contractors ⓘ |
| hasComponent |
central operations building
ⓘ
concentric rings of vertical antenna elements ⓘ receiver and processing equipment ⓘ underground or buried cabling network ⓘ |
| locatedAt |
Augsburg Gablingen
NERFINISHED
ⓘ
Clark Air Base NERFINISHED ⓘ Elmendorf Air Force Base NERFINISHED ⓘ Karamürsel Air Station NERFINISHED ⓘ Misawa Air Base NERFINISHED ⓘ RAF Chicksands NERFINISHED ⓘ San Vito dei Normanni Air Station NERFINISHED ⓘ |
| operatedBy |
United States Air Force
ⓘ
United States military NERFINISHED ⓘ |
| operationalPeriod |
1960s
ⓘ
1970s ⓘ 1980s ⓘ early 1990s ⓘ |
| partOf |
United States signals intelligence network
ⓘ
global HF direction-finding network ⓘ |
| purpose |
monitoring military and diplomatic communications
ⓘ
strategic and tactical intelligence collection ⓘ |
| relatedTo |
AN/FLR-9
NERFINISHED
ⓘ
HF/DF (high-frequency direction finding) ⓘ |
| shape | circular ⓘ |
| technologyType | high-frequency radio system ⓘ |
| typicalDiameter | several hundred meters ⓘ |
| usedBy |
North Atlantic Treaty Organization
NERFINISHED
ⓘ
allied intelligence services ⓘ |
| usedDuring | Cold War ⓘ |
| usedFor |
high-frequency direction finding
ⓘ
long-range communications interception ⓘ radio direction finding ⓘ signals intelligence ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.