A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.027246889339512  9.9820975992115  -0.0  -0.0  # for region 1
  9.469037484120449  9.35821649926078  -0.0  -0.0  # for region 2
  8.233588726981196  8.180230475011726  -0.0  -0.0  # for region 3
  7.9832153908167625  7.933961619768022  -0.0  -0.0  # for region 4
  6.000751106104939  5.865303235720901  -0.0  -0.0  # for region 5
