A 1.0 #regions in PPM
# low field   high field  bias        slope
  11.396060724712624  11.16813951021837  -0.0  -0.0  # for region 1
  7.611187223414128  6.955050393809461  -0.0  -0.0  # for region 2
  3.6018303137213223  3.557418655848809  -0.0  -0.0  # for region 3
  3.554278437615399  3.52467066570039  -0.0  -0.0  # for region 4
  1.661166838891995  1.6278708563340287  -0.0  -0.0  # for region 5