X 20230814 071021     GOES-18       IR   11.42 -139.31  30.0    11.22 -138.19    3.36   9.49   0.35   0.07   0.50    0.5
 - 20230814 071021     GOES-18     SWIR   11.42 -139.31  30.0    11.22 -139.21    3.36   9.49   0.05   0.04   0.50    0.0