GNOS Calibration and Validation

This page provides information on calibration and validation of GNSS Radio Occultation Sounder (GNOS) onboard FY-3 series satellites.

There are two generations of GNOS, GNOS-I onboard FY-3C and FY-3D , and GNOS-II onboard FY-3E, FY-3F, FY-3G, and FY-3H.

	FY-3C GNOS-I Calibration and Validation	FY-3D GNOS-I Calibration and Validation	FY-3E GNOS-II Calibration and Validation	FY-3F GNOS-II Calibration and Validation	FY-3G GNOS-II Calibration and Validation
Instrument specifications	FY-3C GNOS-I specifications ( WMO OSCAR )	FY-3D GNOS-I specifications ( WMO OSCAR )	FY-3E GNOS-II specifications ( WMO OSCAR )	FY-3F GNOS-II specifications ( WMO OSCAR )	FY-3G GNOS-II specifications ( WMO OSCAR )
Instrument events	FY-3C GNOS-I calibration events	FY-3D GNOS-I calibration events	FY-3E GNOS-II calibration events	FY-3F GNOS-II calibration events	FY-3G GNOS-II calibration events
Data outages	FY-3C GNOS-I data search	FY-3D GNOS-I data search	FY-3E GNOS-II data search	FY-3F GNOS-II data search	FY-3G GNOS-II data search
Instrument monitoring	FY-3C GNOS-I performance monitoring	This information is currently not available online.	This information is currently not available online.	This information is currently not available online.	This information is currently not available online.
Orbit predictions	FY-3C orbit predictions	FY-3D orbit predictions	FY-3E orbit predictions	FY-3F orbit predictions	FY-3G orbit predictions