GPM Microwave Imager
E399073
GPM Microwave Imager is a spaceborne radiometer on NASA and JAXA’s Global Precipitation Measurement core satellite that measures microwave emissions from Earth’s atmosphere to retrieve global rainfall and snowfall.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GPM Microwave Imager canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3918768 — 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: GPM Microwave Imager Context triple: [Global Precipitation Measurement mission core observatory, instrument, GPM Microwave Imager]
-
A.
Advanced Technology Microwave Sounder
The Advanced Technology Microwave Sounder is a satellite-based microwave radiometer used to measure atmospheric temperature and humidity profiles for weather forecasting and climate monitoring.
-
B.
Visible Infrared Imaging Radiometer Suite
The Visible Infrared Imaging Radiometer Suite (VIIRS) is a key Earth-observing sensor that collects high-resolution visible and infrared imagery for weather, climate, ocean, and environmental monitoring from polar-orbiting satellites.
-
C.
Cross-track Infrared Sounder
The Cross-track Infrared Sounder is a high-resolution infrared spectrometer used on U.S. weather satellites to measure atmospheric temperature and moisture profiles for improved weather forecasting and climate monitoring.
-
D.
Shuttle Imaging Radar-B
Shuttle Imaging Radar-B was a spaceborne synthetic aperture radar instrument flown on the Space Shuttle to study Earth's surface and environmental features through all-weather, day-and-night imaging.
-
E.
NOAA-20
NOAA-20 is a U.S. polar-orbiting weather and environmental satellite operated by NOAA that provides critical data for global weather forecasting and climate monitoring.
- 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: GPM Microwave Imager Target entity description: GPM Microwave Imager is a spaceborne radiometer on NASA and JAXA’s Global Precipitation Measurement core satellite that measures microwave emissions from Earth’s atmosphere to retrieve global rainfall and snowfall.
-
A.
Advanced Technology Microwave Sounder
The Advanced Technology Microwave Sounder is a satellite-based microwave radiometer used to measure atmospheric temperature and humidity profiles for weather forecasting and climate monitoring.
-
B.
Visible Infrared Imaging Radiometer Suite
The Visible Infrared Imaging Radiometer Suite (VIIRS) is a key Earth-observing sensor that collects high-resolution visible and infrared imagery for weather, climate, ocean, and environmental monitoring from polar-orbiting satellites.
-
C.
Cross-track Infrared Sounder
The Cross-track Infrared Sounder is a high-resolution infrared spectrometer used on U.S. weather satellites to measure atmospheric temperature and moisture profiles for improved weather forecasting and climate monitoring.
-
D.
Shuttle Imaging Radar-B
Shuttle Imaging Radar-B was a spaceborne synthetic aperture radar instrument flown on the Space Shuttle to study Earth's surface and environmental features through all-weather, day-and-night imaging.
-
E.
NOAA-20
NOAA-20 is a U.S. polar-orbiting weather and environmental satellite operated by NOAA that provides critical data for global weather forecasting and climate monitoring.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
passive microwave imager
ⓘ
remote sensing instrument ⓘ spaceborne microwave radiometer ⓘ |
| application |
flood monitoring
ⓘ
global precipitation mapping ⓘ hydrological modeling ⓘ numerical weather prediction data assimilation ⓘ |
| collaboratingAgency |
Japan Aerospace Exploration Agency
ⓘ
NASA ⓘ
surface form:
National Aeronautics and Space Administration
|
| dataProduct |
Level 1B calibrated brightness temperatures
ⓘ
Level 2 precipitation retrievals ⓘ |
| dataUser | NASA Precipitation Processing System ⓘ |
| frequencyChannel |
10.65 GHz
ⓘ
166 GHz ⓘ 18.7 GHz ⓘ 183.31 GHz ⓘ 23.8 GHz ⓘ 36.5 GHz ⓘ 89.0 GHz ⓘ |
| heritage |
Tropical Rainfall Measuring Mission
ⓘ
surface form:
TRMM Microwave Imager
|
| hostSpacecraftAgency |
Japan Aerospace Exploration Agency
ⓘ
surface form:
JAXA
NASA ⓘ |
| launchDate | 2014-02-27 ⓘ |
| launchSite | Tanegashima Space Center ⓘ |
| launchVehicle |
H-IIA launch vehicle
ⓘ
surface form:
H-IIA
|
| locatedOn |
GPM Core Observatory satellite
ⓘ
surface form:
GPM Core Observatory
|
| measurementType |
brightness temperature
ⓘ
microwave radiance ⓘ |
| mission |
Global Precipitation Measurement mission core observatory
ⓘ
surface form:
Global Precipitation Measurement
|
| observes |
frozen hydrometeors
ⓘ
rainfall over land ⓘ rainfall over oceans ⓘ solid precipitation ⓘ |
| operator |
Japan Aerospace Exploration Agency
ⓘ
surface form:
JAXA
NASA ⓘ |
| orbitInclination | 65 degrees ⓘ |
| orbitType | non-sun-synchronous orbit ⓘ |
| partOf |
GPM Core Observatory satellite
ⓘ
Global Precipitation Measurement mission core observatory ⓘ
surface form:
Global Precipitation Measurement core observatory
|
| purpose |
measure global rainfall
ⓘ
measure global snowfall ⓘ observe microwave emissions from Earth’s atmosphere ⓘ retrieve precipitation rates ⓘ support climate research ⓘ support weather forecasting ⓘ |
| supports |
GPM constellation intercalibration
ⓘ
global water cycle studies ⓘ |
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: GPM Microwave Imager Description of subject: GPM Microwave Imager is a spaceborne radiometer on NASA and JAXA’s Global Precipitation Measurement core satellite that measures microwave emissions from Earth’s atmosphere to retrieve global rainfall and snowfall.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.