HS-376
E673858
HS-376 is a spin-stabilized communications satellite bus developed by Hughes that was widely used for commercial geostationary satellites from the 1970s through the 1990s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HS-376 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T7574460 — 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: HS-376 Context triple: [Westar 6, satelliteBus, HS-376]
-
A.
H135
H135 is a light twin-engine multi-mission helicopter widely used for emergency medical services, law enforcement, and training operations.
-
B.
M-37
M-37 is a state highway in Michigan that runs up the Old Mission Peninsula, providing scenic access between Traverse City and the peninsula’s vineyards, orchards, and shoreline.
-
C.
HSH
HSH is the formal abbreviation used to address or refer to a person holding the noble style "His Serene Highness."
-
D.
HC-4
HC-4 is a model of Coast Guard aircraft used for maritime patrol, search and rescue, and related operational missions.
-
E.
Hughes 300
The Hughes 300 is a light, three-seat piston-powered helicopter widely used for pilot training, agricultural work, and general utility operations.
- 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: HS-376 Target entity description: HS-376 is a spin-stabilized communications satellite bus developed by Hughes that was widely used for commercial geostationary satellites from the 1970s through the 1990s.
-
A.
H135
H135 is a light twin-engine multi-mission helicopter widely used for emergency medical services, law enforcement, and training operations.
-
B.
M-37
M-37 is a state highway in Michigan that runs up the Old Mission Peninsula, providing scenic access between Traverse City and the peninsula’s vineyards, orchards, and shoreline.
-
C.
HSH
HSH is the formal abbreviation used to address or refer to a person holding the noble style "His Serene Highness."
-
D.
HC-4
HC-4 is a model of Coast Guard aircraft used for maritime patrol, search and rescue, and related operational missions.
-
E.
Hughes 300
The Hughes 300 is a light, three-seat piston-powered helicopter widely used for pilot training, agricultural work, and general utility operations.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
communications satellite bus
ⓘ
spacecraft bus ⓘ spin-stabilized satellite bus ⓘ |
| attitudeControl | spin stabilization with despun platform ⓘ |
| busFamily | Hughes HS satellite bus family NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| customerType | international communications satellite operators ⓘ |
| designFeature |
body-mounted solar cells
ⓘ
cylindrical spinning section ⓘ deployable solar panels on some variants ⓘ despun antenna platform ⓘ |
| developer |
Hughes Aircraft Company
NERFINISHED
ⓘ
Hughes Space and Communications Company NERFINISHED ⓘ |
| era | Cold War commercial space era ⓘ |
| firstUseDecade | 1970s ⓘ |
| heritage | evolved from earlier Hughes spin-stabilized buses ⓘ |
| lastWidespreadUseDecade | 1990s ⓘ |
| launchConfiguration | stackable for dual launches ⓘ |
| launchVehicleCompatibility |
Ariane launch vehicle family
NERFINISHED
ⓘ
Atlas launch vehicle family ⓘ Delta launch vehicle family ⓘ |
| manufacturer | Hughes NERFINISHED ⓘ |
| marketRole | standardized commercial GEO bus platform ⓘ |
| notableCharacteristic | one of the most widely used commercial GEO satellite buses of its era ⓘ |
| operatorType | commercial satellite operators ⓘ |
| orbitTypeSupported | geostationary orbit ⓘ |
| powerSystem | solar arrays with battery storage ⓘ |
| propulsionType | chemical propulsion for orbit raising and station-keeping ⓘ |
| stabilizationType | spin-stabilized ⓘ |
| status | no longer in production ⓘ |
| successor |
HS-601
NERFINISHED
ⓘ
HS-702 NERFINISHED ⓘ |
| timeInService | approximately three decades ⓘ |
| typicalApplication |
C-band communications payloads
ⓘ
Ku-band communications payloads ⓘ |
| typicalMissionDuration | multi-year geostationary communications service ⓘ |
| usedBy |
INTELSAT
NERFINISHED
ⓘ
domestic US communications satellite operators ⓘ various national PTTs and broadcasters ⓘ |
| usedFor |
commercial communications satellites
ⓘ
geostationary communications satellites ⓘ |
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: HS-376 Description of subject: HS-376 is a spin-stabilized communications satellite bus developed by Hughes that was widely used for commercial geostationary satellites from the 1970s through the 1990s.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
PALAPA B1