A 1.0 #regions in PPM
# low field   high field  bias        slope
  11.10349620313606  10.930566995559639  -0.0  -0.0  # for region 1
  8.019592001356544  7.897100479323246  -0.0  -0.0  # for region 2
  7.724171271746825  7.50080437862728  -0.0  -0.0  # for region 3
  7.399929007541035  7.198178265368543  -0.0  -0.0  # for region 4
  7.183767498070508  7.032454441441139  -0.0  -0.0  # for region 5
  4.035014843449834  3.883701786820465  -0.0  -0.0  # for region 6
  3.6315133591048503  3.523432604369587  -0.0  -0.0  # for region 7
  3.1055203527265687  3.01185036528934  -0.0  -0.0  # for region 8
  2.212052780248391  2.118382792811163  -0.0  -0.0  # for region 9