A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.430327477186  8.405069524385027  0.0  0.0  # for region 1
  7.9562551323062145  7.909625065596727  0.0  0.0  # for region 2
  7.80665033494661  7.765849026575809  0.0  0.0  # for region 3
  7.690075168172893  7.639559262570948  0.0  0.0  # for region 4
  7.569614162506718  7.5404703708132885  0.0  0.0  # for region 5
  7.472468190195287  7.423895204039572  0.0  0.0  # for region 6
  7.260689970556367  7.204345306615737  0.0  0.0  # for region 7
  7.179087353814765  7.122742689874134  0.0  0.0  # for region 8
