A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.041716584663432  7.8697719866360885  -0.0  -0.0  # for region 1
  7.565562313203097  7.406844222716319  -0.0  -0.0  # for region 2
  7.1687670869861515  7.049728519121068  -0.0  -0.0  # for region 3
  1.5210483671649584  1.4284628143810043  -0.0  -0.0  # for region 4
  1.4020097992998746  1.3358772615970504  -0.0  -0.0  # for region 5