Imagery
https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_table4-2-4-8.shtml
XRAYRAD
X-Ray Radiance
W sr-1 m-2
EUVRAD
EUV Radiance
W sr-1 m-2
HARAD
H-Alpha Radiance
W sr-1 m-2
WHTRAD
White Light Radiance
W sr-1 m-2
CAIIRAD
CaII-K Radiance
W sr-1 m-2
WHTCOR
White Light Coronagraph Radiance
W sr-1 m-2
HELCOR
Heliospheric Radiance
W sr-1 m-2
MASK
Thematic Mask
Numeric