IRNSS

E898958

GNSS regional component regional satellite navigation system satellite navigation system

IRNSS (Indian Regional Navigation Satellite System) is India’s autonomous regional satellite navigation system designed to provide 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 (3)

Label	Occurrences
IRNSS-1A	2
IRNSS canonical	1
IRNSS-1G	1

How this entity was disambiguated

This entity first appeared as the object of triple T11001707 — 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: IRNSS
Context triple: [NavIC satellites, acronym, IRNSS]

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. 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.
D. INSAT-4CR
INSAT-4CR is an Indian communications satellite in the INSAT series, launched by ISRO to provide telecommunication and broadcasting services.
E. INSAT-3DR
INSAT-3DR is an Indian geostationary weather satellite designed to provide advanced meteorological observations, search and rescue services, and data relay capabilities.
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: IRNSS
Target entity description: IRNSS (Indian Regional Navigation Satellite System) is India’s autonomous regional satellite navigation system designed to provide 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. 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.
D. INSAT-4CR
INSAT-4CR is an Indian communications satellite in the INSAT series, launched by ISRO to provide telecommunication and broadcasting services.
E. INSAT-3DR
INSAT-3DR is an Indian geostationary weather satellite designed to provide advanced meteorological observations, search and rescue services, and data relay capabilities.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	GNSS regional component ⓘ regional satellite navigation system ⓘ satellite navigation system ⓘ
abbreviation	IRNSS NERFINISHED ⓘ
alsoKnownAs	NavIC NERFINISHED ⓘ Navigation with Indian Constellation NERFINISHED ⓘ
altitude	approximately 36000 km ⓘ
applications	aerial navigation ⓘ disaster management ⓘ geodetic surveying ⓘ marine navigation ⓘ precision agriculture ⓘ terrestrial navigation ⓘ vehicle tracking ⓘ
constellationSize	7 satellites ⓘ
controlSegment	ISRO Navigation Centre, Byalalu NERFINISHED ⓘ
country	India ⓘ
coverageType	regional ⓘ
designedBy	Indian Space Research Organisation NERFINISHED ⓘ
developedBy	Indian Space Research Organisation NERFINISHED ⓘ
frequencyBand	L5 band ⓘ S band ⓘ
fullName	Indian Regional Navigation Satellite System NERFINISHED ⓘ
groundSegment	data communication network ⓘ range and integrity monitoring stations ⓘ telemetry, tracking and command stations ⓘ
inclination	29 degrees ⓘ
navigationSignalType	CDMA ⓘ
operator	Indian Space Research Organisation ⓘ
orbitalConfiguration	3 geostationary satellites ⓘ 4 inclined geosynchronous satellites ⓘ
purpose	navigation ⓘ positioning ⓘ timing services ⓘ
region	Asia NERFINISHED ⓘ
relatedSystem	BeiDou NERFINISHED ⓘ GLONASS NERFINISHED ⓘ GPS NERFINISHED ⓘ Galileo NERFINISHED ⓘ
serviceArea	India NERFINISHED ⓘ Indian Ocean region NERFINISHED ⓘ region extending about 1500 km around India ⓘ
services	Restricted Service ⓘ Standard Positioning Service NERFINISHED ⓘ
status	operational ⓘ
targetUsers	authorized government users ⓘ civilian users ⓘ strategic users ⓘ
timeReference	UTC (maintained by national time scales of India) ⓘ
timeStandard	IRNSS Network Time NERFINISHED ⓘ

How these facts were elicited

Referenced by (4)

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

NavIC satellites → acronym → IRNSS ⓘ

NavIC satellites → firstSatellite → IRNSS ⓘ

this entity surface form: IRNSS-1A

NavIC satellites → lastCoreConstellationSatellite → IRNSS ⓘ

this entity surface form: IRNSS-1G

NavIC satellites → hasComponent → IRNSS ⓘ