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GNSS Radio Occultation Sounder-II (GNOS-II)

Description

GNOS-II is the first FengYun satellite to fulfill GNSS reflection detection, and the first in the world to fulfill interated detection of occultation and reflection signals. Compared to GNOS-I, it's augmented with sea surface wind speed acquisition ability, reflection detection by receiving Beidou-B3 signal, and more and denser atmosphere sounding results.

Characteristics

Satellite	FY-3E , FY-3F , FY-3G
GNSS	GPS, GALILEO, GLONASS, BDS
No. bands	GPS: 8 position, 8 occultation BDS: 8 position, 8 occultation

Data and Products

Satellite	Instrument	Datasets
FY-3G	GNOS-II	L1 data
FY-3F	GNOS-II	L1 data
FY-3E	GNOS-II	L1 data,  L2L3 product

Calibration and Validation

GNOS-II calibration and validation