FuG 212 Lichtenstein C-1 radar
E204419
The FuG 212 Lichtenstein C-1 was a German World War II airborne interception radar set used primarily by night fighters to detect and engage enemy aircraft in darkness or poor visibility.
All labels observed (2)
| Label | Occurrences |
|---|---|
| FuG 212 Lichtenstein C-1 radar canonical | 2 |
| FuG 212 Lichtenstein C-1 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1815439 — 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: FuG 212 Lichtenstein C-1 radar Context triple: [Heinkel He 219, radarEquipment, FuG 212 Lichtenstein C-1 radar]
-
A.
Würzburg radar
Würzburg radar was a German World War II ground-based radar system primarily used for directing anti-aircraft artillery and night-fighter defenses.
-
B.
Heinkel He 162
The Heinkel He 162 was a late-World War II German single-engine jet fighter, notable for its rapid development and use by the Luftwaffe as an emergency "Volksjäger" (people's fighter).
-
C.
Arado Ar 196 seaplane
The Arado Ar 196 seaplane was a German World War II shipboard reconnaissance floatplane widely used by the Kriegsmarine for scouting, patrol, and maritime operations.
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D.
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.
-
E.
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.
- 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: FuG 212 Lichtenstein C-1 radar Target entity description: The FuG 212 Lichtenstein C-1 was a German World War II airborne interception radar set used primarily by night fighters to detect and engage enemy aircraft in darkness or poor visibility.
-
A.
Würzburg radar
Würzburg radar was a German World War II ground-based radar system primarily used for directing anti-aircraft artillery and night-fighter defenses.
-
B.
Heinkel He 162
The Heinkel He 162 was a late-World War II German single-engine jet fighter, notable for its rapid development and use by the Luftwaffe as an emergency "Volksjäger" (people's fighter).
-
C.
Arado Ar 196 seaplane
The Arado Ar 196 seaplane was a German World War II shipboard reconnaissance floatplane widely used by the Kriegsmarine for scouting, patrol, and maritime operations.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
German military radar
ⓘ
World War II military equipment ⓘ airborne interception radar ⓘ |
| antennaConfiguration | multiple dipoles on a forward-facing frame ⓘ |
| antennaNickname | Matratze ⓘ |
| antennaType | external dipole antenna array ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | Nazi Germany ⓘ |
| deploymentEnvironment | airborne ⓘ |
| designationExpansion | Funkgerät 212 ⓘ |
| designedFor |
detection of enemy aircraft at night
ⓘ
detection of enemy aircraft in poor visibility ⓘ |
| displayType | cathode-ray tube display ⓘ |
| era | 1940s ⓘ |
| introducedInPeriod | early 1940s ⓘ |
| languageOfDesignation | German ⓘ |
| natoOrAlliedReportingName | none ⓘ |
| notableFeature | improved performance over earlier Lichtenstein B/C sets ⓘ |
| notableLimitation | vulnerability to Allied countermeasures and jamming ⓘ |
| operatingBand | VHF band ⓘ |
| operatingFrequency | approximately 490 MHz ⓘ |
| operator | radar operator crew member ⓘ |
| operatorNation | Germany ⓘ |
| partOfSeries | Lichtenstein radar family ⓘ |
| platformType | aircraft-mounted radar ⓘ |
| powerSource | aircraft electrical system ⓘ |
| predecessor | FuG 202 Lichtenstein B/C radar ⓘ |
| primaryRole | airborne interception ⓘ |
| primaryUse | night fighter operations ⓘ |
| purpose | guiding night fighters to visual contact with enemy bombers ⓘ |
| successor | FuG 220 Lichtenstein SN-2 radar ⓘ |
| tacticalUse | vectoring night fighters during interception ⓘ |
| technologyType | pulse radar ⓘ |
| typicalDetectionRange | several kilometers against bomber-sized targets ⓘ |
| usedAgainst | Allied bomber formations ⓘ |
| usedBy | Luftwaffe ⓘ |
| usedInTheater |
Defense of the Reich
ⓘ
surface form:
Defense of the Reich air campaign
|
| usedOnAircraft |
Heinkel He 219
ⓘ
surface form:
Heinkel He 219 night fighter
Junkers Ju 88 ⓘ
surface form:
Junkers Ju 88 night fighter
Messerschmitt Bf 110 ⓘ
surface form:
Messerschmitt Bf 110 night fighter
Messerschmitt Me 210 night fighter variants ⓘ Messerschmitt Me 410 night fighter variants ⓘ |
| usedOnAircraftType | night fighter aircraft ⓘ |
| wavelength | about 61 centimeters ⓘ |
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: FuG 212 Lichtenstein C-1 radar Description of subject: The FuG 212 Lichtenstein C-1 was a German World War II airborne interception radar set used primarily by night fighters to detect and engage enemy aircraft in darkness or poor visibility.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Heinkel He 219
this entity surface form:
FuG 212 Lichtenstein C-1