IRNSS
E898958
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| IRNSS canonical | 7 |
| IRNSS-1A | 2 |
| IRNSS Network Time | 1 |
| IRNSS-1G | 1 |
| Navigation with Indian Constellation | 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 ⓘ |
| alsoKnownAs |
NavIC
ⓘ
linked to:
NAVIC regional navigation system
Navigation with Indian Constellation ⓘ
linked to:
IRNSS
|
| 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
ⓘ
linked to:
ISRO Navigation Centre
|
| country | India ⓘ |
| coverageType | regional ⓘ |
| designedBy | Indian Space Research Organisation ⓘ |
| developedBy | Indian Space Research Organisation ⓘ |
| frequencyBand |
L5 band
ⓘ
S band ⓘ |
| fullName | Indian Regional Navigation Satellite System ⓘ |
| 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 ⓘ |
| relatedSystem |
BeiDou
ⓘ
GLONASS ⓘ GPS ⓘ Galileo ⓘ |
| serviceArea |
India
ⓘ
Indian Ocean region ⓘ
linked to:
Indian Ocean Region
region extending about 1500 km around India ⓘ |
| services |
Restricted Service
ⓘ
Standard Positioning Service ⓘ |
| status | operational ⓘ |
| targetUsers |
authorized government users
ⓘ
civilian users ⓘ strategic users ⓘ |
| timeReference | UTC (maintained by national time scales of India) ⓘ |
| timeStandard |
IRNSS Network Time
ⓘ
linked to:
IRNSS
|
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: IRNSS Description of subject: 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.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: IRNSS
linked to: IRNSS
linked to: IRNSS
linked to: IRNSS
linked to: IRNSS