THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - IMAGER -
Full Name Imager/MTSAT Status Operational
Instrument Agencies JMA Maturity High Heritage - Operational
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Earth disk scanning
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format LRIT/HRIT
Measurements and Applications Measures cloud cover, cloud motion, cloud height, water vapour, rainfall, sea surface temperature and Earth radiation.
Resolution Summary Visible: 1 km, TIR: 4 km
[Best Resolution: 1000m]
Swath Summary Full Earth disk every hour
[Max Swath: 8 km]
Accuracy Summary
Waveband Summary VIS - SWIR: 0.55 - 0.80 µm, MWIR - TIR: 3.5 - 4 µm, 6.5 - 7 µm, 10.3 - 11.3 µm, 11.5 - 12.5 µm
VIS (~0.40 µm - ~0.75 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric Humidity FieldsWater vapour imagery 
Atmospheric WindsWind profile (horizontal) 
Cloud type, amount and cloud top temperatureCloud imagery 
Cloud type 
Cloud top height 
Liquid water and precipitation ratePrecipitation index (daily cumulative) 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
MTSAT-1 - Multi-functional Transport Satellite (1999 - 1999)
MTSAT-2 - Multi-functional Transport Satellite-2 (2006 - 2017)
MTSAT-3 - Multi-functional Transport Satellite (2013 - 2018)
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