Dataset {
    Int16 cris_atrack[colloc_num = 4276016];
    Int16 cris_xtrack[colloc_num = 4276016];
    Int16 cris_fov[colloc_num = 4276016];
    Int16 viirs_gran[colloc_num = 4276016];
    Int16 viirs_atrack[colloc_num = 4276016];
    Int16 viirs_xtrack[colloc_num = 4276016];
} SNDR.SNPP.CRIS.20201221T1830.m06.g186.IMG_COL.std.v2_0.W.201222073642.nc;