Poldhu Wireless Station
E465984
Poldhu Wireless Station was an early 20th-century radio transmission site in Cornwall, England, famous as the location from which Guglielmo Marconi conducted pioneering long-distance wireless telegraphy experiments, including the first transatlantic radio signal.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Marconi Centre, Poldhu | 1 |
| Poldhu Wireless Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4771281 — 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: Poldhu Wireless Station Context triple: [Guglielmo Marconi, sentSignalFrom, Poldhu Wireless Station]
-
A.
Bawdsey Research Station
Bawdsey Research Station was a pioneering British radar research and development facility on the Suffolk coast that played a crucial role in the early development of air defense systems before and during World War II.
-
B.
Lowther Hill radar station
The Lowther Hill radar station is a prominent air-defense radar facility in southern Scotland, recognizable by its large white radome atop Lowther Hill and used for military and aviation surveillance.
-
C.
Bawdsey
Bawdsey is a village on the Suffolk coast of England known for its historic role in early radar development at the nearby Bawdsey Research Station.
-
D.
Berry Head Lighthouse
Berry Head Lighthouse is a historic coastal beacon on the Berry Head headland near Brixham in Devon, England, guiding ships navigating the entrance to Tor Bay.
-
E.
Berry Head
Berry Head is a prominent coastal headland and nature reserve on the south Devon coast of England, noted for its dramatic cliffs, historic fortifications, and important wildlife habitats.
- 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: Poldhu Wireless Station Target entity description: Poldhu Wireless Station was an early 20th-century radio transmission site in Cornwall, England, famous as the location from which Guglielmo Marconi conducted pioneering long-distance wireless telegraphy experiments, including the first transatlantic radio signal.
-
A.
Bawdsey Research Station
Bawdsey Research Station was a pioneering British radar research and development facility on the Suffolk coast that played a crucial role in the early development of air defense systems before and during World War II.
-
B.
Lowther Hill radar station
The Lowther Hill radar station is a prominent air-defense radar facility in southern Scotland, recognizable by its large white radome atop Lowther Hill and used for military and aviation surveillance.
-
C.
Bawdsey
Bawdsey is a village on the Suffolk coast of England known for its historic role in early radar development at the nearby Bawdsey Research Station.
-
D.
Berry Head Lighthouse
Berry Head Lighthouse is a historic coastal beacon on the Berry Head headland near Brixham in Devon, England, guiding ships navigating the entrance to Tor Bay.
-
E.
Berry Head
Berry Head is a prominent coastal headland and nature reserve on the south Devon coast of England, noted for its dramatic cliffs, historic fortifications, and important wildlife habitats.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historical site
ⓘ
radio transmission station ⓘ |
| antennaType | large wire aerial system ⓘ |
| associatedWith |
Marconi’s transatlantic wireless project
ⓘ
development of global radio communication ⓘ |
| builder | Marconi Company ⓘ |
| commemoratedBy |
Marconi Centre, Poldhu
ⓘ
linked to:
Poldhu Wireless Station
National Trust information boards ⓘ |
| constructionStartDate | 1900 ⓘ |
| continent | Europe ⓘ |
| country | United Kingdom ⓘ |
| dateOfFirstTransatlanticTransmission | 1901-12-12 ⓘ |
| demolitionDate | 1930s ⓘ |
| fieldOfWork |
radio communication
ⓘ
wireless telegraphy ⓘ |
| heritageDesignation | scheduled monument (remains) ⓘ |
| historicalPeriod | early 20th century ⓘ |
| inception | 1900 ⓘ |
| locatedIn |
Cornwall
ⓘ
England ⓘ Mullion ⓘ Poldhu ⓘ United Kingdom ⓘ |
| locatedNear |
Poldhu Cove
ⓘ
linked to:
Poldhu
|
| locatedOn | Lizard Peninsula ⓘ |
| notablePerson | Guglielmo Marconi ⓘ |
| openedForService | 1901 ⓘ |
| operator | Marconi Company ⓘ |
| ownedBy |
National Trust (site of remains)
ⓘ
linked to:
National Trust
|
| powerSource | steam-driven electrical generators ⓘ |
| purpose |
long-distance wireless telegraphy
ⓘ
transatlantic wireless communication ⓘ |
| significance |
key site in the history of wireless communication
ⓘ
site of first successful transatlantic radio signal ⓘ |
| significantEvent |
development of high-power spark transmitters
ⓘ
early long-distance wireless telegraphy experiments ⓘ first transatlantic radio transmission ⓘ |
| status | demolished ⓘ |
| technologyUsed |
high-power radio transmitter
ⓘ
spark-gap transmitter ⓘ |
| transmissionMedium | radio waves ⓘ |
| transmittedSignalContent | Morse code letter S ⓘ |
| transmittedTo |
Newfoundland
ⓘ
linked to:
island of Newfoundland
Signal Hill, St. John’s, Newfoundland ⓘ |
| usedBy | Guglielmo Marconi ⓘ |
| usedFor |
point-to-point wireless links across the Atlantic
ⓘ
ship-to-shore communication ⓘ |
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: Poldhu Wireless Station Description of subject: Poldhu Wireless Station was an early 20th-century radio transmission site in Cornwall, England, famous as the location from which Guglielmo Marconi conducted pioneering long-distance wireless telegraphy experiments, including the first transatlantic radio signal.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Poldhu Wireless Station