A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.800663231624851  8.75148225113145  0.0  0.0  # for region 1
  8.74874997443737  8.702301270638047  0.0  0.0  # for region 2
  7.972783393319253  7.907208752661384  0.0  0.0  # for region 3
  7.672232956970686  7.603926039618739  0.0  0.0  # for region 4
  6.942715079651893  6.858014502135478  0.0  0.0  # for region 5
  4.582028015968604  4.510988821922579  0.0  0.0  # for region 6
