THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - HRDI -
Full Name High Resolution Doppler Imager Status No longer operational
Instrument Agencies NASA Maturity
Instrument Type Atmospheric chemistry Geometry
Instrument Technology Limb-scanning SW spectrometer Sampling Sounding
Data Access Data Format
Measurements and Applications Daytime wind measurements below 50 km from Doppler shifts of molecular oxygen absorption lines. Day and night wind measurements above about 60 km from Doppler shifts of neutral and ionised atomic oxygen emission lines. Also measures temperature.
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric Temperature FieldsAtmospheric temperature (LT) 
Atmospheric WindsWind profile (horizontal) 
Trace gases (excluding ozone)Atmospheric Chemistry - CH4 (LT) 
Instrument Missions
UARS - Upper Atmosphere Research Satellite (1991 - 2005)
Copyright CEOS | About | Site Search Researched and written by Symbios