sensor channel IR/MW use idum  varch  polarisation(0:vertical;1:horizontal)
   418    1    1   -1    0  0.2500000000E+01  0.0000000000E+00
   418    2    1   -1    0  0.2500000000E+01  0.0000000000E+00
   418    3    1    1    0  0.2500000000E+01  0.1000000000E+01
   418    4    1    1    0  0.2000000000E+01  0.1000000000E+01
   418    5    1    1    0  0.2000000000E+01  0.0000000000E+00