A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.149172440395931  10.10107209707652  -0.0  -0.0  # for region 1
  9.543545390419698  9.386126085010714  -0.0  -0.0  # for region 2
  8.227209812145588  8.186220154718528  -0.0  -0.0  # for region 3
  7.965180259998901  7.9418377569826735  -0.0  -0.0  # for region 4
  6.015183469566348  5.94336038336257  -0.0  -0.0  # for region 5
