A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.983160591889878  7.904057566468284  -0.0  -0.0  # for region 1
  6.942331310026791  6.854901650350292  -0.0  -0.0  # for region 2
  4.12792893186902  4.06756083352096  -0.0  -0.0  # for region 3
  3.586697705300212  3.484696435677629  -0.0  -0.0  # for region 4
  3.3972667760011297  3.2682039450501064  -0.0  -0.0  # for region 5
  2.6749312543881443  2.5437867648733947  -0.0  -0.0  # for region 6
  2.1399450035105074  2.04627036814283  -0.0  -0.0  # for region 7