INSAT-1B
E263672
Indian satellite
artificial satellite
broadcasting satellite
communications satellite
geostationary satellite
meteorological satellite
INSAT-1B was an early Indian multipurpose geostationary satellite used for telecommunications, broadcasting, and meteorological services as part of the INSAT program.
All labels observed (2)
| Label | Occurrences |
|---|---|
| INSAT-1B canonical | 4 |
| INSAT-1B satellite | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2373090 — 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: INSAT-1B Context triple: [INSAT series, hasMember, INSAT-1B]
-
A.
INSAT-1A
INSAT-1A was the first satellite in India’s INSAT series, designed to provide multipurpose telecommunications, meteorological, and broadcasting services.
-
B.
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.
-
C.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
-
D.
RISAT series satellites
The RISAT series satellites are India’s radar imaging Earth observation spacecraft designed for all-weather, day-and-night surveillance and reconnaissance.
-
E.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting 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: INSAT-1B Target entity description: INSAT-1B was an early Indian multipurpose geostationary satellite used for telecommunications, broadcasting, and meteorological services as part of the INSAT program.
-
A.
INSAT-1A
INSAT-1A was the first satellite in India’s INSAT series, designed to provide multipurpose telecommunications, meteorological, and broadcasting services.
-
B.
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.
-
C.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
-
D.
RISAT series satellites
The RISAT series satellites are India’s radar imaging Earth observation spacecraft designed for all-weather, day-and-night surveillance and reconnaissance.
-
E.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Indian satellite
ⓘ
artificial satellite ⓘ broadcasting satellite ⓘ communications satellite ⓘ geostationary satellite ⓘ meteorological satellite ⓘ |
| applications |
cyclone warning
ⓘ
data relay ⓘ educational TV ⓘ telephone services ⓘ television broadcasting ⓘ weather monitoring ⓘ |
| bus | HS-333 ⓘ |
| countryOfOperator | India ⓘ |
| coverageArea | Indian subcontinent ⓘ |
| deactivated | early 1990s ⓘ |
| dryMass | about 550 kg ⓘ |
| followedBy | INSAT-1C ⓘ |
| launchContractor | NASA ⓘ |
| launchDate | 1983-08-30 ⓘ |
| launchMass | about 1150 kg ⓘ |
| launchSite |
KSC LC-39A
ⓘ
Kennedy Space Center ⓘ |
| launchVehicle |
STS-8
ⓘ
Space Shuttle Challenger ⓘ |
| manufacturer |
Ford Aerospace
ⓘ
Hughes ⓘ |
| meteorologicalPayload |
VHRR
ⓘ
Very High Resolution Radiometer ⓘ |
| missionType |
broadcasting
ⓘ
meteorology ⓘ search and rescue ⓘ telecommunications ⓘ |
| notableFor | first fully operational multipurpose INSAT satellite ⓘ |
| numberOfTransponders |
12 C-band transponders
ⓘ
2 S-band transponders ⓘ |
| operator |
Indian Space Research Organisation
ⓘ
surface form:
ISRO
Indian Space Research Organisation ⓘ |
| orbitRegime | geosynchronous ⓘ |
| orbitType | geostationary orbit ⓘ |
| partOf |
INSAT series
ⓘ
surface form:
INSAT programme
|
| power | about 1000 W ⓘ |
| precededBy | INSAT-1A ⓘ |
| program |
INSAT series
ⓘ
surface form:
INSAT-1 series
|
| serviceEntry | 1983 ⓘ |
| spaceAgency | Indian Space Research Organisation ⓘ |
| transponderBand |
C-band
ⓘ
S-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: INSAT-1B Description of subject: INSAT-1B was an early Indian multipurpose geostationary satellite used for telecommunications, broadcasting, and meteorological services as part of the INSAT program.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
INSAT-1B satellite