CEOS EO HANDBOOK – INSTRUMENT SUMMARY - Imaging Microwave Radiometer -
Full Name Imaging Microwave Radiometer Status Being developed
Instrument Agencies COM Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications A conical scanning total power radiometer operating in 5 bands (L/C/X/Ku/Ka) to provide high-spatial resolution microwave imaging radiometry measurements and derived products with continuous global coverage and sub-daily revisit in the polar regions and adjacent seas
Resolution Summary 60km for L-band; 15km for C and X bands; 5 km for Ku and Ka-bands
[Best Resolution: 5000m]
Swath Summary >1900km
Accuracy Summary PTAR: -25 dB DTAR: -23 dB Radiometric stability: 0.5 dB (3 sigma)
Waveband Summary L / C / X / Ku / Ka bands
Ka-Band (26.5 to 40 GHz)
Ku-Band (12.5 to 18 GHz)
X-Band (12.5 - 8 GHz)
C-Band (8 - 4 GHz)
L-Band (2 - 1 GHz)
Instrument Measurements
Measurements Overview
Ocean SalinitySea Surface salinity
Sea ice cover, edge and thicknessSea-ice cover
Sea-ice type
Sea-ice thickness
Sea-ice Concentration
Surface temperature (ocean)Sea surface temperature
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Sea Ice click here click here search ECV Inventory records
Sea Surface Salinity click here click here search ECV Inventory records
Sea Surface Temperature click here click here search ECV Inventory records
Instrument Missions
Sentinel CIMR-A - Copernicus Imaging Microwave Radiometer - A (2029 - 2037)
Sentinel CIMR-B - Copernicus Imaging Microwave Radiometer - B (2031 - 2039)