THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - VHRR -
Full Name Very High Resolution Radiometer Status Operational
Instrument Agencies ISRO Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry TBD
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Cloud cover, rainfall, wind velocity, sea surface temperature, outgoing longwave radiation, reflected solar radiation in spectral band 0.55 - 0.75 µm, emitted radiation in 10.5 - 12.5 µm range.
Resolution Summary 2 km in visible, 8 km in IR
[Best Resolution: 2000m]
Swath Summary Full Earth disk every 30 minutes
Accuracy Summary
Waveband Summary VIS: 0.55 - 0.75 µm, NIR: 5.7 - 7.1 µm, TIR: 10.5 - 12.5 µm
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric WindsWind profile (horizontal) 
Cloud type, amount and cloud top temperatureCloud type 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Radiation budgetUpwelling (Outgoing) long-wave radiation at TOA 
Surface temperature (land)Land surface temperature 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
INSAT-2A - Indian National Satellite - 2A (1992 - 1999)
INSAT-2B - Indian National Satellite - 2B (1993 - 2000)
INSAT-2E - Indian National Satellite - 2E (1999 - 2011)
KALPANA-1 - Meteorological Satellite (2002 - 2016)
INSAT-3A - Indian National Satellite - 3A (2003 - 2017)
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