THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - TIM -
Full Name Total Irradiance Monitor Status Operational
Instrument Agencies NASA Maturity
Instrument Type Earth radiation budget radiometers Geometry
Instrument Technology Solar irradiance monitor Sampling Imaging
Data Access Open Access Data Format HDF
Measurements and Applications Measurement of total solar irradiance directly traceable to SI units with an absolute accuracy of 0.03% and relative accuracy of 0.001% per year.
Resolution Summary
Swath Summary Looks at the sun every orbit, providing 15 measurements per day
Accuracy Summary 0.04%
Waveband Summary
N/A (N/A)
Instrument Measurements
CategoryParameterAccuracy
Radiation budgetDownwelling (Incoming) solar radiation at TOA 
Instrument Missions
SORCE - Solar Radiation and Climate Experiment (2003 - 2019)
Glory - Glory (2010 - 2010)
TCTE - Total Solar Irradiance (TSI) Calibration Transfer (2013 - 2017)
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