Indian Regional Navigation Satellite System

E898957

regional navigation satellite system satellite navigation system

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.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (7)

Label	Occurrences
Indian Regional Navigation Satellite System canonical	16
IRNSS / NavIC satellites	1
Indian Regional Navigation Satellite System program	1
Indian Regional Navigation Satellite System programme	1
Indian Regional Navigation Satellite System services	1
NavIC programme	1
Navigation with Indian Constellation	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 ⓘ
alsoKnownAs	IRNSS ⓘ
application	aerial navigation ⓘ disaster management ⓘ maritime navigation ⓘ surveying and mapping ⓘ timing and synchronization ⓘ transportation ⓘ
brandName	NavIC ⓘ linked to: NAVIC regional navigation system
countryOfOrigin	India ⓘ
coverageType	regional ⓘ
designedFor	high-accuracy positioning over India ⓘ reliability in Indian region ⓘ
developedBy	ISRO ⓘ linked to: Indian Space Research Organisation Indian Space Research Organisation ⓘ
frequencyBand	L5 band ⓘ S band ⓘ
fullName	Indian Regional Navigation Satellite System ⓘ
groundSegment	IRNSS ground control facilities ⓘ
hasComponent	IRNSS-1A ⓘ IRNSS-1B ⓘ IRNSS-1C ⓘ IRNSS-1D ⓘ IRNSS-1E ⓘ IRNSS-1F ⓘ IRNSS-1G ⓘ IRNSS-1I ⓘ
isComparableTo	BeiDou ⓘ GLONASS ⓘ GPS ⓘ Galileo ⓘ
operator	ISRO ⓘ linked to: Indian Space Research Organisation Indian Space Research Organisation ⓘ
ownedBy	Government of India ⓘ
purpose	navigation ⓘ positioning ⓘ satellite navigation ⓘ timing services ⓘ
sector	space technology ⓘ
serviceArea	India ⓘ 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

Referenced by (22)

Full triples — surface form annotated when it differs from this entity's canonical label.

NavIC satellites → alsoKnownAs → Indian Regional Navigation Satellite System ⓘ

Indian Regional Navigation Satellite System → fullName → Indian Regional Navigation Satellite System ⓘ

IRNSS → fullName → Indian Regional Navigation Satellite System ⓘ

Standard Positioning Service → providedBy → Indian Regional Navigation Satellite System ⓘ

Standard Positioning Service → partOf → Indian Regional Navigation Satellite System services ⓘ