X 20240912 233021     GOES-18       IR   20.24 -108.24  35.0    18.34 -107.60    0.50   1.42   0.10   0.55   3.34   41.2
 - 20240912 233021     GOES-18     SWIR   20.24 -108.24  35.0    18.44 -107.34    3.36   9.49   0.30   0.03   0.50    0.0