A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.660565077695273  10.105051760991548  -0.0  -0.0  # for region 1
  7.724280403689876  7.605241835824792  -0.0  -0.0  # for region 2
  6.917463443715419  6.745518845688076  -0.0  -0.0  # for region 3
  3.3992124379251676  3.2537208549789542  -0.0  -0.0  # for region 4
  2.460130402545063  2.354318342220544  -0.0  -0.0  # for region 5