Full Name THEOS Optical Payload (MS) Status Operational
Instrument Agencies GISTDA Maturity Low Heritage
Instrument Type High resolution optical imagers Geometry Push-broom scanning
Instrument Technology High resolution optical imager Sampling Imaging
Data Access Constrained Access Data Format DIMAP
Measurements and Applications THEOS Optical Payload - MS (15m GSD, 90km Swath) is a refractive instrument employing a line scanning tehchnique. Data is used for various applications including cartography, land use planning and management, national security, etc.
Resolution Summary 15m
[Best Resolution: 15m]
Swath Summary 90km
[Max Swath: 90 km]
Accuracy Summary Geolocation Accuracy: 133m @ 1s
Waveband Summary MS (B:0.45-0.52 µm, G:0.53-0.60 µm, R:0.63-0.70 µm, NIR:0.77-0.90µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
Albedo and reflectanceEarth surface albedo
Multi-purpose imagery (land)Land surface imagery
VegetationVegetation type
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Albedo click here click here search ECV Inventory records
Instrument Missions
THEOS - Thailand Earth Observation System (2008 - 2024)