Würzburg radar
E38881
Würzburg radar was a German World War II ground-based radar system primarily used for directing anti-aircraft artillery and night-fighter defenses.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Würzburg radar canonical | 8 |
| Lichtenstein radar | 2 |
| FuG 203 Kehl transmitter | 1 |
| Würzburg radar family | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T296403 — 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: Würzburg radar Context triple: [Defense of the Reich, usedSystem, Würzburg radar]
-
A.
Freya radar
Freya radar was an early German ground-based radar system used extensively for air defense during World War II.
-
B.
AN/MPQ-53 radar
The AN/MPQ-53 is a multifunction, phased-array fire control radar used to detect, track, and guide interceptors against aircraft and missile threats in the Patriot air defense system.
-
C.
Chain Home radar network
The Chain Home radar network was Britain’s pioneering early-warning radar system that provided long-range detection of enemy aircraft during the early years of World War II, crucially aiding air defense in the Battle of Britain.
-
D.
Aegis radar components
Aegis radar components are advanced naval radar and combat system elements designed to detect, track, and guide weapons against multiple airborne and missile threats as part of the Aegis Combat System.
-
E.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
- 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: Würzburg radar Target entity description: Würzburg radar was a German World War II ground-based radar system primarily used for directing anti-aircraft artillery and night-fighter defenses.
-
A.
Freya radar
Freya radar was an early German ground-based radar system used extensively for air defense during World War II.
-
B.
AN/MPQ-53 radar
The AN/MPQ-53 is a multifunction, phased-array fire control radar used to detect, track, and guide interceptors against aircraft and missile threats in the Patriot air defense system.
-
C.
Chain Home radar network
The Chain Home radar network was Britain’s pioneering early-warning radar system that provided long-range detection of enemy aircraft during the early years of World War II, crucially aiding air defense in the Battle of Britain.
-
D.
Aegis radar components
Aegis radar components are advanced naval radar and combat system elements designed to detect, track, and guide weapons against multiple airborne and missile threats as part of the Aegis Combat System.
-
E.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fire-control radar
ⓘ
ground-based radar ⓘ radar system ⓘ |
| antennaDiameter | 3 m ⓘ |
| azimuthAccuracy | about 0.2 degrees ⓘ |
| capturedBy | British forces at Bruneval raid ⓘ |
| category | German World War II electronic warfare equipment ⓘ |
| countryOfOrigin | Nazi Germany ⓘ |
| deployment |
fixed sites
ⓘ
semi-mobile installations ⓘ |
| developedBy | Telefunken ⓘ |
| elevationAccuracy | about 0.2 degrees ⓘ |
| era | 1940s ⓘ |
| frequencyBand | UHF ⓘ |
| hasVariant |
Würzburg A
ⓘ
Würzburg A ⓘ
surface form:
Würzburg C
Würzburg A ⓘ
surface form:
Würzburg D
Würzburg Riese ⓘ |
| influenced | Allied radar countermeasures ⓘ |
| introducedInYear | 1940 ⓘ |
| maximumRange | about 40 km ⓘ |
| namedAfter | Würzburg ⓘ |
| notableEvent |
subject of British intelligence interest
ⓘ
target of Operation Biting ⓘ |
| notableLocation |
Peenemünde Army Research Center
ⓘ
surface form:
Peenemünde test range
|
| operatedBy | Luftwaffe ⓘ |
| operatingFrequency | 560 MHz ⓘ |
| partOf | Kammhuber Line ⓘ |
| powerOutput | 8 kW ⓘ |
| primaryUse |
directing anti-aircraft artillery
ⓘ
night-fighter direction ⓘ |
| rangeAccuracy | about 25 m ⓘ |
| scanMethod | conical scan ⓘ |
| status | obsolete ⓘ |
| successor | Würzburg Riese ⓘ |
| survivingExamples | displayed in technical museums ⓘ |
| technology | pulse radar ⓘ |
| type | paraboloid dish radar ⓘ |
| usedBy |
Kammhuber Line
ⓘ
surface form:
German air-defense network
German night-fighter control system ⓘ |
| usedFor |
fighter interception control
ⓘ
gun-laying ⓘ target tracking ⓘ |
| usedInConflict | World War II ⓘ |
| usedWith |
88 mm Flak guns
ⓘ
Freya radar ⓘ searchlights ⓘ |
| wavelength | 53 cm ⓘ |
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: Würzburg radar Description of subject: Würzburg radar was a German World War II ground-based radar system primarily used for directing anti-aircraft artillery and night-fighter defenses.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Operation Biting
this entity surface form:
Würzburg radar family
this entity surface form:
Lichtenstein radar
subject surface form:
Fritz X
this entity surface form:
FuG 203 Kehl transmitter
this entity surface form:
Lichtenstein radar