A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.3096104456566415  7.234045899354195  -0.0  -0.0  # for region 1
  7.130774352740851  7.082916806749302  -0.0  -0.0  # for region 2
  7.077879170329139  7.057728624648487  -0.0  -0.0  # for region 3
  7.057728624648487  7.032540442547671  -0.0  -0.0  # for region 4
  6.853704349631881  6.775620985119354  -0.0  -0.0  # for region 5
  3.8764612253154964  3.778227315122316  -0.0  -0.0  # for region 6