GSAT-18
E849393
GSAT-18 is an Indian geostationary communications satellite operated by ISRO to provide telecommunications, television broadcasting, and VSAT services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GSAT-18 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9808773 — 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: GSAT-18 Context triple: [GSAT, hasComponent, GSAT-18]
-
A.
GSAT-14
GSAT-14 is an Indian communications satellite launched by ISRO to provide advanced telecommunication services and replace older INSAT series satellites.
-
B.
GSAT-16
GSAT-16 is an Indian communications satellite operated by ISRO, designed to enhance telecommunications, television broadcasting, and VSAT services across the Indian subcontinent.
-
C.
GSAT-19
GSAT-19 is an Indian high-throughput communications satellite designed to test next-generation technologies and significantly enhance the country’s data transmission capabilities.
-
D.
GSAT-10
GSAT-10 is an Indian geostationary communications satellite used to provide telecommunications, direct-to-home broadcasting, and navigation services.
-
E.
GSAT-11
GSAT-11 is a high-throughput Indian communications satellite designed to provide advanced broadband and connectivity services across the country.
- 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: GSAT-18 Target entity description: GSAT-18 is an Indian geostationary communications satellite operated by ISRO to provide telecommunications, television broadcasting, and VSAT services.
-
A.
GSAT-14
GSAT-14 is an Indian communications satellite launched by ISRO to provide advanced telecommunication services and replace older INSAT series satellites.
-
B.
GSAT-16
GSAT-16 is an Indian communications satellite operated by ISRO, designed to enhance telecommunications, television broadcasting, and VSAT services across the Indian subcontinent.
-
C.
GSAT-19
GSAT-19 is an Indian high-throughput communications satellite designed to test next-generation technologies and significantly enhance the country’s data transmission capabilities.
-
D.
GSAT-10
GSAT-10 is an Indian geostationary communications satellite used to provide telecommunications, direct-to-home broadcasting, and navigation services.
-
E.
GSAT-11
GSAT-11 is a high-throughput Indian communications satellite designed to provide advanced broadband and connectivity services across the country.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
artificial satellite
ⓘ
communications satellite ⓘ geostationary satellite ⓘ |
| band |
C-band
ⓘ
Extended C-band ⓘ Ku-band ⓘ |
| belongsToProgramme | INSAT / GSAT programme NERFINISHED ⓘ |
| countryOfOperator | India NERFINISHED ⓘ |
| designedLifetime | about 15 years ⓘ |
| hasOnboardPropulsion | chemical propulsion system ⓘ |
| hasTranspondersInBand |
C-band
ⓘ
Extended C-band ⓘ Ku-band ⓘ |
| isPartOfConstellation | INSAT / GSAT communications satellite fleet ⓘ |
| launchContractor | Arianespace NERFINISHED ⓘ |
| launchDate |
2016-10-05
ⓘ
5 October 2016 ⓘ |
| launchMass | approximately 3400 kg ⓘ |
| launchSite |
Guiana Space Centre
NERFINISHED
ⓘ
Kourou, French Guiana NERFINISHED ⓘ |
| launchVehicle | Ariane 5 NERFINISHED ⓘ |
| missionType | communications ⓘ |
| operator |
ISRO
NERFINISHED
ⓘ
Indian Space Research Organisation ⓘ |
| orbitLongitude | approximately 74°E ⓘ |
| orbitRegime | geosynchronous ⓘ |
| orbitType | geostationary orbit ⓘ |
| powerType | solar powered ⓘ |
| providesService |
DTH television broadcasting
ⓘ
VSAT connectivity ⓘ satellite-based communication links in India ⓘ telecom trunking ⓘ |
| providesServiceToRegion |
India
NERFINISHED
ⓘ
Indian subcontinent NERFINISHED ⓘ |
| purpose |
VSAT services
ⓘ
telecommunications ⓘ television broadcasting ⓘ |
| replacedSatellite |
INSAT-3C
NERFINISHED
ⓘ
INSAT-4CR NERFINISHED ⓘ |
| spacecraftBus | I-3K NERFINISHED ⓘ |
| spacecraftManufacturer | ISRO Satellite Centre NERFINISHED ⓘ |
| status | operational ⓘ |
| usesFrequencyBandForBroadcast | Ku-band ⓘ |
| usesFrequencyBandForTelecom |
C-band
ⓘ
Extended C-band ⓘ |
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: GSAT-18 Description of subject: GSAT-18 is an Indian geostationary communications satellite operated by ISRO to provide telecommunications, television broadcasting, and VSAT services.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.