sensor channel IR/MW use idum  varch  polarisation(0:vertical;1:horizontal)
   207    1    1    1    0  1.8000000000E+00  2.0000000000E+00  msg-3-seviri
   207    2    1    1    0  2.5000000000E+00  2.0000000000E+00
   207    3    1    1    0  2.2500000000E+00  2.0000000000E+00
   207    4    1    1    0  1.2500000000E+00  2.0000000000E+00
   207    5    1    1    0  1.2500000000E+00  2.0000000000E+00
   207    6    1    1    0  1.2500000000E+00  2.0000000000E+00
   207    7    1    1    0  1.4500000000E+00  2.0000000000E+00
   207    8    1    1    0  1.2500000000E+00  3.0000000000E+00