A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.45447650216088  7.320084981469253  -0.0  -0.0  # for region 1
  4.327729384101904  4.2100971079886556  -0.0  -0.0  # for region 2
  3.9160164177055363  3.8059733206963693  -0.0  -0.0  # for region 3
  3.743362593087705  3.6978275184632223  -0.0  -0.0  # for region 4
  3.6750599811509805  3.5707087684698737  -0.0  -0.0  # for region 5