A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.043942679235627  9.957661250519038  -0.0  -0.0  # for region 1
  9.455660210713432  9.3576131326264  -0.0  -0.0  # for region 2
  8.247720208681189  8.173204429335044  -0.0  -0.0  # for region 3
  7.973188390037498  7.941813325049647  -0.0  -0.0  # for region 4
  6.012246828296844  5.8945903345924044  -0.0  -0.0  # for region 5
