Naval Communication Station Harold E. Holt
E907272
Naval Communication Station Harold E. Holt is a major Very Low Frequency (VLF) naval communications base in Western Australia used primarily for communicating with submarines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Naval Communication Station Harold E. Holt canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11118644 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Naval Communication Station Harold E. Holt Context triple: [North West Cape, hasCommunicationsFacility, Naval Communication Station Harold E. Holt]
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A.
Fleet Base East
Fleet Base East is a major Royal Australian Navy maritime base located in Sydney, serving as a primary home port and operational hub for much of Australia’s naval fleet.
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B.
Fleet Base West
Fleet Base West is a major Royal Australian Navy installation in Western Australia that serves as the primary home port for the nation’s submarine fleet and other key naval units.
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C.
Naval Air Station North Island
Naval Air Station North Island is a major U.S. Navy aircraft carrier base and aviation facility located on the north end of Coronado Island in San Diego, California.
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D.
HMAS Sydney II Memorial
The HMAS Sydney II Memorial is a commemorative site in Geraldton, Western Australia, honoring the Australian warship HMAS Sydney II and its crew lost in World War II.
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E.
Bass Strait Maritime Centre
Bass Strait Maritime Centre is a maritime museum and cultural attraction in Devonport, Tasmania, focusing on the history, heritage, and seafaring stories of the Bass Strait region.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Naval Communication Station Harold E. Holt Target entity description: Naval Communication Station Harold E. Holt is a major Very Low Frequency (VLF) naval communications base in Western Australia used primarily for communicating with submarines.
-
A.
Fleet Base East
Fleet Base East is a major Royal Australian Navy maritime base located in Sydney, serving as a primary home port and operational hub for much of Australia’s naval fleet.
-
B.
Fleet Base West
Fleet Base West is a major Royal Australian Navy installation in Western Australia that serves as the primary home port for the nation’s submarine fleet and other key naval units.
-
C.
Naval Air Station North Island
Naval Air Station North Island is a major U.S. Navy aircraft carrier base and aviation facility located on the north end of Coronado Island in San Diego, California.
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D.
HMAS Sydney II Memorial
The HMAS Sydney II Memorial is a commemorative site in Geraldton, Western Australia, honoring the Australian warship HMAS Sydney II and its crew lost in World War II.
-
E.
Bass Strait Maritime Centre
Bass Strait Maritime Centre is a maritime museum and cultural attraction in Devonport, Tasmania, focusing on the history, heritage, and seafaring stories of the Bass Strait region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Very Low Frequency radio station
ⓘ
military installation ⓘ naval communication station ⓘ |
| abbreviation | NCS HEH NERFINISHED ⓘ |
| allianceContext | Australia–United States defence cooperation NERFINISHED ⓘ |
| associatedWith |
Royal Australian Navy communications network
ⓘ
United States Navy communications network NERFINISHED ⓘ |
| communicationMedium | radio waves ⓘ |
| continent | Australia ⓘ |
| country | Australia ⓘ |
| frequencyBand | Very Low Frequency ⓘ |
| geographicFeature | coastal installation ⓘ |
| hasCapability |
long-distance VLF transmission
ⓘ
submerged submarine communication ⓘ |
| hasComponent |
VLF transmitter
ⓘ
antenna array ⓘ tall radio masts ⓘ |
| hasFunction |
support of strategic deterrent forces
ⓘ
transmission of encrypted naval messages ⓘ |
| infrastructureType | strategic communications facility ⓘ |
| locatedIn |
Indian Ocean region
NERFINISHED
ⓘ
North West Cape NERFINISHED ⓘ Western Australia ⓘ |
| locatedNear | Exmouth, Western Australia NERFINISHED ⓘ |
| locatedOn | North West Cape peninsula NERFINISHED ⓘ |
| militaryDomain | naval warfare ⓘ |
| namedAfter |
Harold Edward Holt
NERFINISHED
ⓘ
Harold Holt NERFINISHED ⓘ former Prime Minister of Australia Harold Holt NERFINISHED ⓘ |
| nearBodyOfWater |
Exmouth Gulf
NERFINISHED
ⓘ
Indian Ocean NERFINISHED ⓘ |
| operatedBy | Royal Australian Navy NERFINISHED ⓘ |
| ownedBy | Government of Australia NERFINISHED ⓘ |
| primaryUse | communication with submarines ⓘ |
| region | Gascoyne region NERFINISHED ⓘ |
| securityClassification | military restricted area ⓘ |
| serviceBranch | naval communications ⓘ |
| signalPropagation |
ground wave
ⓘ
ionospheric waveguide ⓘ |
| status | active ⓘ |
| strategicRole |
long-range communications with naval forces
ⓘ
support of submarine operations ⓘ |
| supportsPlatform |
conventionally powered submarines
ⓘ
nuclear-powered submarines ⓘ |
| typeOfCommunication | one-way broadcast to submarines ⓘ |
| usedBy |
Royal Australian Navy
NERFINISHED
ⓘ
United States Navy ⓘ |
| usedDuring | Cold War ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Naval Communication Station Harold E. Holt Description of subject: Naval Communication Station Harold E. Holt is a major Very Low Frequency (VLF) naval communications base in Western Australia used primarily for communicating with submarines.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.