Description

Hyperspectral Infrared Atmospheric Sounder is enhanced from Infra Red Atmospheric Sounder (IRAS).

There are two generations, HIRAS-I and HIRAS-II.

Instrument		Satellite
	HIRAS-I	FY-3D
	HIRAS-II	FY-3E , FY-3F

Calibration and Validation

HIRAS calibration and validation