X 20230827 121021     GOES-18       IR   16.81 -120.01  30.0    16.06 -120.38    3.36   9.49   0.05   0.15   0.50    4.2
 - 20230827 121021     GOES-18     SWIR   16.81 -120.01  30.0    16.86 -119.99    3.36   9.49   0.10   0.07   0.50    0.0