X 20240520 223000   METEOSAT9       IR   -4.76   43.42  55.0    -5.26   42.62    0.32   0.91   0.20   0.74   5.23    0.0
 - 20240520 223000   METEOSAT9     SWIR   -4.76   43.42  55.0    -5.31   42.62    0.36   1.01   0.10   0.58   4.70    0.0
 -  alpha0= alpha=0.0       -5.23    42.99    0.00 20240520 223000    -5.23   42.99                                0.00        20240520 223000
 -  alpha0= alpha=0.0       -5.64    42.83    0.00 20240520 223000    -5.64   42.83                                0.00        20240520 223000
 -  alpha0= alpha=0.0       -4.88    42.83    0.00 20240520 223000    -4.88   42.83                                0.00        20240520 223000
 -  alpha0= alpha=0.0       -5.68    43.29    0.00 20240520 223000    -5.68   43.29                                0.00        20240520 223000
 -  alpha0= alpha=0.0       -4.98    42.94    0.00 20240520 223000    -4.98   42.94                                0.00        20240520 223000