1st flight unit of the FY-4 series.
|Mass at launch||approx. 5400 kg|
|End of service||designed ≥2023|
|AGRI||Advanced Geostationary Radiation Imager|
|GIIRS||Geostationary Interferometric Infrared Sounder|
|LMI||Lightning Mapping Imager|
|SEP||Space Environment Monitoring Instrument Package|
CDAS (Command and Data Acquisition Station) for real-time acquisition of the full information.
HRIT (High Rate Information Transmission) for near-real time broadcasting full resolution images.
LRIT (Low Rate Information Transmission) for broadcasting a selection of images and weather warning information.
DCS (Data Collection Service) to relay messages from self-timed DCP (Data Collection Platform).
Information flow of FY-4A data.
|AGRI||L1 data, L2L3 product, Image|
|GIIRS||L1 data, L2L3 product|
|LMI||L1 data, L2L3 product|