STAR Cal/Val Systems

- GNSS Radio Occultation
- CRTM Coeff Repository
  (NOAA Internal)
- OSE/OSSE repository
  (NOAA Internal)
- GDAS monitoring for NWP

Polar-orbiting Satellites

Geostationary Satellites

International Collaboration

Data and images displayed on STAR sites are provided for experimental use only and are not official operational NOAA products. More information >>

GNSS Radio Occultation (RO) Product Monitoring

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For questions and comments, please contact yan.bai@noaa.gov .