THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - TOPSAT Telescope -
Full Name TOPSAT Telescope Status No longer operational
Instrument Agencies UKSA Maturity
Instrument Type High resolution optical imagers Geometry Push-broom scanning
Instrument Technology High resolution optical imager Sampling Imaging
Data Access Data Format
Measurements and Applications Experimental medium-resolution imaging satellite supporting a range of possible land applications.
Resolution Summary Multi-spectral imagery (RGB). resolution 5.6 m
[Best Resolution: 5.6m]
Swath Summary Panchromatic imagery 17 x 17 km; Multi Spectral - Swath 12 x 18 km
[Max Swath: 17 km]
Accuracy Summary
Waveband Summary Panchromatic imagery. Resolution 2.8 m
VIS (~0.40 µm - ~0.75 µm)
Instrument Measurements
CategoryParameterAccuracy
Albedo and reflectanceEarth surface albedo 
Multi-purpose imagery (land)Land surface imagery 
Radiation budgetShort-wave Earth surface bi-directional reflectance 
VegetationVegetation type 
Instrument Missions
TopSat - Optical Imaging Satellite (2005 - 2010)
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