S-band
E136582
S-band is a segment of the microwave radio spectrum commonly used for satellite communications, deep space telemetry, and radar applications.
All labels observed (3)
| Label | Occurrences |
|---|---|
| S-band canonical | 3 |
| IEEE radar band designations | 1 |
| S-band Antenna Subsystem | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1197565 — 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: S-band Context triple: [Deep Space Network, frequencyBandsUsed, S-band]
-
A.
DVB-S
DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
-
B.
DVB-S2
DVB-S2 is an advanced digital satellite television broadcasting standard widely used in Europe and beyond for efficient, high-quality transmission of TV and data services.
-
C.
B Branch
The B Branch is a light rail service of Boston’s MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
-
D.
BSA
BSA is a U.S. anti-money laundering law that requires financial institutions to assist government agencies in detecting and preventing financial crimes.
-
E.
S-blokka
S-blokka is a government office building in Oslo, Norway, that forms part of the Norwegian Government Quarter complex.
- 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: S-band Target entity description: S-band is a segment of the microwave radio spectrum commonly used for satellite communications, deep space telemetry, and radar applications.
-
A.
DVB-S
DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
-
B.
DVB-S2
DVB-S2 is an advanced digital satellite television broadcasting standard widely used in Europe and beyond for efficient, high-quality transmission of TV and data services.
-
C.
B Branch
The B Branch is a light rail service of Boston’s MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
-
D.
BSA
BSA is a U.S. anti-money laundering law that requires financial institutions to assist government agencies in detecting and preventing financial crimes.
-
E.
S-blokka
S-blokka is a government office building in Oslo, Norway, that forms part of the Norwegian Government Quarter complex.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
microwave band
ⓘ
radio frequency band ⓘ |
| adjacentTo |
C-band
ⓘ
L-band ⓘ |
| belongsToStandard |
IEEE microwave band designations
ⓘ
IEEE radar band designations ⓘ
linked to:
S-band
|
| definedBy | IEEE ⓘ |
| frequencyRangeLower | 2 GHz ⓘ |
| frequencyRangeUpper | 4 GHz ⓘ |
| hasAdvantage |
good compromise between bandwidth and atmospheric absorption
ⓘ
lower rain attenuation than higher microwave bands ⓘ |
| hasApproximateCenterFrequency | 3 GHz ⓘ |
| hasCommonApplication |
inter-satellite links
ⓘ
launch vehicle telemetry ⓘ missile tracking radar ⓘ space-to-ground links ⓘ weather surveillance radar ⓘ |
| hasProperty |
line-of-sight propagation
ⓘ
supports moderate to high data rates ⓘ |
| ITURegion | global ⓘ |
| partOf | microwave radio spectrum ⓘ |
| regulatedBy | International Telecommunication Union ⓘ |
| usedBy |
CNSA
ⓘ
linked to:
China National Space Administration
ESA ⓘ
linked to:
European Space Agency
ISRO ⓘ
linked to:
Indian Space Research Organisation
NASA ⓘ NOAA ⓘ Roscosmos ⓘ military organizations ⓘ |
| usedFor |
air traffic control radar
ⓘ
communications with crewed spacecraft ⓘ deep space telemetry ⓘ marine radar ⓘ mobile satellite services ⓘ radar ⓘ satellite communications ⓘ satellite navigation augmentation ⓘ spacecraft communication ⓘ telecommand ⓘ telemetry ⓘ tracking ⓘ weather radar ⓘ |
| usedIn |
Deep Space Network
ⓘ
aviation ⓘ maritime navigation ⓘ meteorology ⓘ space research ⓘ |
| wavelengthRangeLower | 7.5 cm ⓘ |
| wavelengthRangeUpper | 15 cm ⓘ |
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: S-band Description of subject: S-band is a segment of the microwave radio spectrum commonly used for satellite communications, deep space telemetry, and radar applications.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: S-band