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By providing next-generation global observations of rain and snow, NASA's Global Precipitation Measurement (GPM) platform helps researchers better understand Earth's water and energy cycles and forecast extreme events that cause natural hazards and disasters.

Learn more about GPM

Type

Earth Observation Satellite

Data Center

GES DISC
GHRC DAAC

Launch

February 27, 2014

Objective

Measure Earth's precipitation
Instrument NameOperational Date(s)Spectral ResolutionType of Instrument
Ku/Ka-band Dual-frequency Precipitation Radar (DPR)2014Ku-band precipitation radar (KuPR) at 13.6 GHz; Ka-band precipitation radar (KaPR) at 35.5 GHzRadar Sounder
GPM Microwave Imager (GMI)201413 microwave channels ranging in frequency from 10 GHz to 183 GHzImaging Spectrometer/Radiometer

Instruments Aboard GPM

Instrument Name Operational Date(s) Spectral Resolution Type of Instrument
Dual-frequency Precipitation Radar

13.6 GHz and  35.5GHz

 Profilers/Sounders
Global Precipitation Measurement Microwave Imager

13 microwave channels ranging in frequency from 10 GHz to 183 GHz

 Spectrometer/Radiometer

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