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Introduction

Introduction of FY-4A

FY-4A is the first quantitative remote sensing satellite of a three-axis stabilization structure on geostationary orbit for China. Four new instruments are onboard with the latest independently developed weather satellite, namely, Advanced Geosynchronous Radiation Imager (AGRI), Geosynchronous Interferometric Infrared Sounder (GIIRS), Lightning Mapping Imager (LMI) and Space Environment Package (SEP). For the first time in the world FY-4A is carrying out an hyper-spectral vertical atmospheric sounding payload,which could conduct a high-precision observation of atmosphere over China and neighborhoods. The observation system is a thousand times more capable than the current system, thus is bound to significantly enhance weather warning and forecasting capability. [more]

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