A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.666494403741097  7.545571779076411  -0.0  -0.0  # for region 1
  7.378295481623596  7.29566502143606  -0.0  -0.0  # for region 2
  7.20698843001529  7.090096559506094  -0.0  -0.0  # for region 3
  6.924835639131023  6.826082162321529  -0.0  -0.0  # for region 4
  6.447191271705512  6.320222515807592  -0.0  -0.0  # for region 5
  3.96723141363808  3.8906742512769297  -0.0  -0.0  # for region 6
  2.1038002273389416  2.0741723757679886  -0.0  -0.0  # for region 7
  2.0739590769735656  2.014266494744301  -0.0  -0.0  # for region 8
