A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.00060772560217  7.872651878138837  -0.0  -0.0  # for region 1
  7.677350847800064  7.589802110061992  -0.0  -0.0  # for region 2
  7.424806412017166  7.330523155991552  -0.0  -0.0  # for region 3
  6.976960945895496  6.889412208157426  -0.0  -0.0  # for region 4
  6.889412208157426  6.795128952131811  -0.0  -0.0  # for region 5
  6.303509117141105  6.202491342827946  -0.0  -0.0  # for region 6
  4.697326505561882  4.603043249536267  -0.0  -0.0  # for region 7
  4.198972152283632  4.114790673689333  -0.0  -0.0  # for region 8
  4.114790673689333  3.9902020853697704  -0.0  -0.0  # for region 9
  3.7410249087306457  3.626538097842399  -0.0  -0.0  # for region 10
  3.5894982472609076  3.478378695516433  -0.0  -0.0  # for region 11
  3.377360921203274  3.2561395920274836  -0.0  -0.0  # for region 12
  2.6668692418673907  2.5490151718353724  -0.0  -0.0  # for region 13
  2.5389133944040565  2.40759028779695  -0.0  -0.0  # for region 14