Files are available for 5 km resolution only:

5 float32 binary files, fill value = -999.:
- FY+1045.5km.lat : latitude  (degrees, [ -90, +90], positive northwards)
- FY+1045.5km.lon : longitude (degrees, [-180,+180], positive eastwards)
- FY+1045.5km.zen : view zenith (degrees, [0,90])
- FY+1045.5km.azi : view azimuth (degrees, [0,360], clockwise from North)
- FY+1045.5km.pas : pixel area size (km^2)

1 HDF4 file:
- FY+1045.5km.hdf : 5 SDS with the same content as the 5 binary files