Full Name Multispectral Imager
aka SSTL-300 S1 Imager (MS)
Status Operational
Instrument Agencies UKSA, NRSCC, 21AT Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Push-broom scanning / Cross-track scanning
Instrument Technology High resolution optical imager Sampling Imaging
Data Access Data Format
Measurements and Applications SSTL-300 S1 Imager also known as VHRI 100 (Very High Resolution Imager 100).
Resolution Summary 4 metre ground sampling distance
[Best Resolution: 4m]
Swath Summary 23.4 km
[Max Swath: 23 km]
Accuracy Summary
Waveband Summary 600-670 nm (red) 510-590 nm (green) 440-510 nm (blue) 760-910 nm (NIR)
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
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
DMC3 - Disaster Monitoring Constellation-3 (2015 - 2023)
SSTL S1-4 - SSTL S1-4 (2018 - 2026)