A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.378781543034446  8.001024208130454  -0.0  -0.0  # for region 1
  7.598495900445872  7.468448293347777  -0.0  -0.0  # for region 2
  7.344593429444828  7.2269313087370275  -0.0  -0.0  # for region 3
  7.127847417614669  7.010185296906868  -0.0  -0.0  # for region 4
  2.340856927765721  2.210809320667625  -0.0  -0.0  # for region 5
