sensor channel IR/MW use idum  varch  polarisation(0:vertical;1:horizontal)
   318    1    1   -1    0  0.7000000000E+01  0.0000000000E+00  noaa-18-amsua
   318    2    1   -1    0  0.6000000000E+01  0.0000000000E+00
   318    3    1   -1    0  0.5000000000E+01  0.0000000000E+00
   318    4    1   -1    0  0.6000000000E+00  0.0000000000E+00
   318    5    1    1    0  0.3000000000E+00  0.1000000000E+01
   318    6    1    1    0  0.2500000000E+00  0.1000000000E+01
   318    7    1    1    0  0.2700000000E+00  0.0000000000E+00
   318    8    1    1    0  0.2700000000E+00  0.1000000000E+01
   318    9    1    1    0  0.3000000000E+00  0.1000000000E+01
   318   10    1   -1    0  0.4000000000E+00  0.1000000000E+01
   318   11    1   -1    0  0.7000000000E+00  0.1000000000E+01
   318   12    1   -1    0  0.1100000000E+01  0.1000000000E+01
   318   13    1   -1    0  0.2100000000E+01  0.1000000000E+01
   318   14    1   -1    0  0.1000000000E+05  0.1000000000E+01
   318   15    1   -1    0  0.9000000000E+01  0.0000000000E+00