Till now, the calibration correction coefficients (relative to the prelaunch) of FY-4A/AGRI reflective solar bands (RSB) have been updated 4 times.

                                                                           Ref =Ref_Prelaunch*k

The information of update times and correction coefficients are listed in table 1.

                               National Satellite Meteorological Center

                  Contacts: Ling SUN (sunling@cma.gov.cn; 010-58994010)

Table 1 Update times and correction coefficients of FY-4A/AGRI reflective solar bands