X 20230916 010021     GOES-18       IR   15.08 -136.69  25.0    15.98 -138.53    2.45   6.92   0.40   0.28   0.69    1.0
 - 20230916 010021     GOES-18     SWIR   15.08 -136.69  25.0    15.03 -136.95    3.36   9.49   0.05   0.07   0.50    0.0