- 20240519 200000   METEOSAT9       IR   -6.79   44.88  60.0    -6.89   44.58    0.72   2.05   0.45   0.44   2.32    0.0
 X 20240519 200000   METEOSAT9     SWIR   -6.79   44.88  60.0    -6.89   44.58    0.64   1.80   0.45   0.35   2.63    0.0
 -  alpha0= alpha=0.0                                               -6.78   44.78                                0.00        20240519 200000
 -  alpha0= alpha=0.0                                               -7.15   44.52                                0.00        20240519 200000
 -  alpha0= alpha=0.0                                               -6.73   44.47                                0.00        20240519 200000
 -  alpha0= alpha=0.0                                               -7.19   44.27                                0.00        20240519 200000
 -  alpha0= alpha=0.0                                               -6.99   44.37                                0.00        20240519 200000