The calibration coefficients (relative to the prelaunch) of FY-4A/AGRI reflective solar bands (RSB) were updated on 02:00, September 9, 2020(UTC).

                                                                           Ref =Ref_Prelaunch*k

The information of correction coefficients are listed in table 1.

                               National Satellite Meteorological Center

             Contacts: Ling SUN (sunling@cma.gov.cn; 86-10-58994010)

                       Lin CHEN (chenlin@cma.gov.cn; 86-10-68406704)

Table 1 Correction coefficients of FY-4A/AGRI reflective solar bands