Measurements and Applications
Atmospheric sounding for weather forecasting.
Full Name
InfraRed Atmospheric Sounder
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Imaging multi-spectral radiometers (vis/IR) 
Geometry
Cross-track scanning
Instrument Technology
Narrow-band channel IR radiometer
Sampling
Sounding
Data Access
Open Access
Data Format
L-1 data: HDF 5.0
Resolution
17 km
[Best Resolution: 17000m]
Swath
2250 km
[Max Swath: 2250 km]
Waveband
VIS - TIR: 0.65 - 14.95 µm (26 channels)
| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 µm) |
| SWIR (~1.3 µm - ~3.0 µm) |
| MWIR (~3.0 µm - ~6.0 µm) |
| TIR (~6.0 µm - ~15.0 µm) |
FY-3A - FY-3A Polar-orbiting Meteorological Satellite (2008 - 2018) |
| FY-3B - FY-3B Polar-orbiting Meteorological Satellite (2010 - 2020) |
| FY-3C - FY-3C Polar-orbiting Meteorological Satellite (2013 - 2024) |