Full Name Total Ozone Unit & Solar Backscatter Ultraviolet Sounder Status Operational
Instrument Agencies NRSCC, CAST, NSMC-CMA, CNSA Maturity
Instrument Type Atmospheric temperature and humidity sounders Geometry Cross-track scanning
Instrument Technology High-resolution nadir-scanning SW spectrometer Sampling Sounding
Data Access Constrained Access Data Format L-1 data: HDF 5.0
Measurements and Applications Ozone total column vertical profile measurements.
Resolution Summary TOU: 50 km total ozone, SBUS: 200 km total ozone
Swath Summary TOU: 3000 km, SBUS: nadir only
[Max Swath: 3000 km]
Accuracy Summary 50km
Waveband Summary TOU: 6 channels in the range 308 - 360 nm, SBUS: in the range 252 - 340 nm
UV (~0.01 µm - ~0.40 µm)
Instrument Measurements
Measurements Overview
OzoneO3 Mole Fraction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Ozone click here click here search ECV Inventory records
Instrument Missions
FY-3A - FY-3A Polar-orbiting Meteorological Satellite (2008 - 2018)
FY-3B - FY-3B Polar-orbiting Meteorological Satellite (2010 - 2020)
FY-3C - FY-3C Polar-orbiting Meteorological Satellite (2013 - 2023)