STAR Cal/Val Systems
Polar-orbiting
NOAA-21 VIIRS Cal/Val Portal
NOAA-20 VIIRS Cal/Val Portal
S-NPP VIIRS Cal/Val Portal
Global 20+ Site Validation System (G20)
Regional Validation Sites
ICVS-LTM
GDAS monitoring
Geostationary
GOES CWG
GOES ICVS
GOES Imager Viewer
GOES-R AWG
GNSS Radio Occultation
International Collaboration
EUMETSAT
- Metop SG
GSICS
- SNO Predictions
- GSICS Newsletter
CEOS WGCV
- IVOS PICSCAR sites
Small Satellites
Data and images displayed on STAR sites are provided for experimental use only and are not official operational NOAA products.
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Online Tools
Planck calculator
Suomi NPP satellite ground track daily predictions
Simultaneous Nadir Overpass (SNO) with Suomi NPP
Lunar radiance calculator (coming soon)