Full Name THEOS Optical Payload (PAN) 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 - PAN (2m GSD, 22km Swath) is a cassegrain type opto-mechanical instrument employing a line scanning technique. Data is used for various applications including cartography, land use planning and management, national security, etc.
Resolution Summary 2.0m
[Best Resolution: 2m]
Swath Summary 22km
[Max Swath: 22 km]
Accuracy Summary Geolocation Accuracy: 133m @ 1s
Waveband Summary PAN: 0.45-0.90 µm
VIS (~0.40 µm - ~0.75 µm)
Instrument Measurements
Measurements Overview
Albedo and reflectanceEarth surface albedo
Landscape topographyLand surface topography
Multi-purpose imagery (land)Land surface imagery
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)