THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - VIRR -
Full Name Multispectral Visible and Infra-red Scan Radiometer (10 channels) Status Operational
Instrument Agencies NRSCC, CAST, NSMC-CMA, CNSA Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Cross-track scanning
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format L-1 data: HDF 5.0
Measurements and Applications Multispectral Visible and Infra-red Scan Radiometer.
Resolution Summary 1.1 km at nadir
[Best Resolution: 1100m]
Swath Summary 2800 km
Accuracy Summary 1.1 km
Waveband Summary Instrument features 10 channels over 0.43 - 10.5 µm
VIS (~0.40 µm - ~0.75 µm)
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Albedo and reflectanceEarth surface albedo 
Cloud type, amount and cloud top temperatureCloud imagery 
Cloud type 
Multi-purpose imagery (land)Land surface imagery 
Surface temperature (land)Land surface temperature 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
FY-3A - FY-3A Polar-orbiting Meteorological Satellite (2008 - 2017)
FY-3B - FY-3B Polar-orbiting Meteorological Satellite (2010 - 2017)
FY-3C - FY-3C Polar-orbiting Meteorological Satellite (2013 - 2018)
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