X 20230514 123000   METEOSAT9       IR   -4.85   81.03  35.0    -4.65   81.23    0.22   0.61   0.25   1.00   7.80    8.0
 - 20230514 123000   METEOSAT9     SWIR   -4.85   81.03  35.0    -4.63   81.28    0.28   0.80   0.05   0.73   5.96    0.0
 - 20230514 103646    SSMISF18    89GHz   -4.77   81.36  35.0    -4.70   80.87    0.25   0.71   0.45   1.25   6.18   30.1 20230514 123000