THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - MLS -
Full Name Microwave Limb Sounder (UARS) Status No longer operational
Instrument Agencies NASA Maturity
Instrument Type Atmospheric temperature and humidity sounders and Atmospheric chemistry Geometry Limb-scanning
Instrument Technology Limb-scanning MW spectrometer Sampling Sounding
Data Access Data Format
Measurements and Applications Data on emissions of chlorine monoxide, water vapour and ozone. Data also used for determination of atmospheric pressure and temperatures as a function of altitude from observations of molecular oxygen emissions.
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
FIR (~15.0 µm - ~0.1 cm)
MW (~1.0 cm - ~100 cm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric Humidity FieldsAtmospheric specific humidity (LT) 
Atmospheric Temperature FieldsAtmospheric temperature (LT) 
OzoneOzone profile 
Trace gases (excluding ozone)Atmospheric Chemistry - CH4 (LT) 
Instrument Missions
UARS - Upper Atmosphere Research Satellite (1991 - 2005)
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