THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - PR -
Full Name Precipitation Radar Status No longer operational
Instrument Agencies JAXA, NASA, NICT Maturity Low Heritage
Instrument Type Cloud profile and rain radars Geometry Cross-track scanning
Instrument Technology Cloud and precipitation radar Sampling Other
Data Access Open Access Data Format HDF-EOS(HDF4)
Measurements and Applications Measures precipitation rate in tropical latitudes.
Resolution Summary Range resolution: 250 m Horizontal resolution: 4.3 km at nadir (post-boost: 5 km)
Swath Summary 215 km (post-boost: 245 km) Observable range: from surface to approx 15 km altitude
Accuracy Summary Rainfall rate 0.7 mm/h at storm top
Waveband Summary Microwave: 13.796 GHz and 13.802 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric WindsOil spill cover 
Cloud particle properties and profilePrecipitation Profile (liquid or solid) 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Instrument Missions
TRMM - Tropical Rainfall Measuring Mission (1997 - 2015)
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