A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.781818181818183  7.924118738404453  -9843.75  0.0  # for region 1
  7.924118738404453  6.887198515769945  0.0  0.0  # for region 2
  5.645944  4.532765  0.0  0.0  # for region 3
  4.4293135435992586  3.8916512059369204  -9843.75  0.0  # for region 4
  3.8220827080150914  3.4467818156015615  -9843.75  0.0  # for region 5
  3.443984  2.950526  0.0  0.0  # for region 6
  2.677873  2.25639  0.0  0.0  # for region 7
  2.10024  1.615321  0.0  0.0  # for region 8
  1.5489795918367344  0.5576326530612243  -9843.75  0.0  # for region 9
