Indian Regional Navigation Satellite System
E898957
The Indian Regional Navigation Satellite System (IRNSS), branded as NavIC, is India’s indigenous satellite-based navigation system providing accurate position, navigation, and timing services over India and surrounding regions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Indian Regional Navigation Satellite System canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11001706 — 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: Indian Regional Navigation Satellite System Context triple: [NavIC satellites, alsoKnownAs, Indian Regional Navigation Satellite System]
-
A.
INSAT series
The INSAT series is a fleet of Indian multipurpose geostationary satellites that provide telecommunications, broadcasting, meteorology, and search-and-rescue services across the Indian subcontinent.
-
B.
INSAT-4G
INSAT-4G is an Indian communications and meteorological satellite planned as part of the INSAT-4 series to support telecommunication, broadcasting, and weather services.
-
C.
GAGAN
GAGAN (GPS Aided GEO Augmented Navigation) is India’s satellite-based augmentation system that enhances the accuracy and reliability of GPS signals for aviation and other navigation applications.
-
D.
INSAT-3DS
INSAT-3DS is an Indian geostationary meteorological and communication satellite in the INSAT series, designed to support weather forecasting, disaster warning, and environmental monitoring.
-
E.
INSAT-4E
INSAT-4E is an Indian communications satellite in the INSAT series, designed to provide telecommunication, broadcasting, and related services.
- 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: Indian Regional Navigation Satellite System Target entity description: The Indian Regional Navigation Satellite System (IRNSS), branded as NavIC, is India’s indigenous satellite-based navigation system providing accurate position, navigation, and timing services over India and surrounding regions.
-
A.
INSAT series
The INSAT series is a fleet of Indian multipurpose geostationary satellites that provide telecommunications, broadcasting, meteorology, and search-and-rescue services across the Indian subcontinent.
-
B.
INSAT-4G
INSAT-4G is an Indian communications and meteorological satellite planned as part of the INSAT-4 series to support telecommunication, broadcasting, and weather services.
-
C.
GAGAN
GAGAN (GPS Aided GEO Augmented Navigation) is India’s satellite-based augmentation system that enhances the accuracy and reliability of GPS signals for aviation and other navigation applications.
-
D.
INSAT-3DS
INSAT-3DS is an Indian geostationary meteorological and communication satellite in the INSAT series, designed to support weather forecasting, disaster warning, and environmental monitoring.
-
E.
INSAT-4E
INSAT-4E is an Indian communications satellite in the INSAT series, designed to provide telecommunication, broadcasting, and related services.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
regional navigation satellite system
ⓘ
satellite navigation system ⓘ |
| abbreviation | IRNSS NERFINISHED ⓘ |
| alsoKnownAs | IRNSS NERFINISHED ⓘ |
| application |
aerial navigation
ⓘ
disaster management ⓘ maritime navigation ⓘ surveying and mapping ⓘ timing and synchronization ⓘ transportation ⓘ |
| brandName | NavIC NERFINISHED ⓘ |
| countryOfOrigin | India ⓘ |
| coverageType | regional ⓘ |
| designedFor |
high-accuracy positioning over India
ⓘ
reliability in Indian region ⓘ |
| developedBy |
ISRO
NERFINISHED
ⓘ
Indian Space Research Organisation NERFINISHED ⓘ |
| frequencyBand |
L5 band
ⓘ
S band ⓘ |
| fullName | Indian Regional Navigation Satellite System NERFINISHED ⓘ |
| groundSegment | IRNSS ground control facilities ⓘ |
| hasComponent |
IRNSS-1A
NERFINISHED
ⓘ
IRNSS-1B NERFINISHED ⓘ IRNSS-1C NERFINISHED ⓘ IRNSS-1D NERFINISHED ⓘ IRNSS-1E NERFINISHED ⓘ IRNSS-1F NERFINISHED ⓘ IRNSS-1G NERFINISHED ⓘ IRNSS-1I NERFINISHED ⓘ |
| isComparableTo |
BeiDou
NERFINISHED
ⓘ
GLONASS NERFINISHED ⓘ GPS NERFINISHED ⓘ Galileo NERFINISHED ⓘ |
| operator |
Indian Space Research Organisation
ⓘ
surface form:
ISRO
Indian Space Research Organisation ⓘ |
| ownedBy | Government of India ⓘ |
| purpose |
navigation
ⓘ
positioning ⓘ satellite navigation ⓘ timing services ⓘ |
| sector | space technology ⓘ |
| serviceArea |
India
NERFINISHED
ⓘ
Indian subcontinent ⓘ region extending up to about 1,500 km from India’s borders ⓘ |
| serviceType |
Restricted Service
ⓘ
Standard Positioning Service ⓘ |
| spaceSegment | constellation of navigation satellites ⓘ |
| targetUsers |
authorized government users
ⓘ
civilian users ⓘ strategic users ⓘ |
| userSegment | NavIC receivers ⓘ |
| usesOrbitType |
geostationary orbit
ⓘ
geosynchronous orbit ⓘ |
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: Indian Regional Navigation Satellite System Description of subject: The Indian Regional Navigation Satellite System (IRNSS), branded as NavIC, is India’s indigenous satellite-based navigation system providing accurate position, navigation, and timing services over India and surrounding regions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.