A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.081934541920935  9.990481272694877  -0.0  -0.0  # for region 1
  9.482757950439867  9.366076193151448  -0.0  -0.0  # for region 2
  8.300172572516704  8.208719303290646  -0.0  -0.0  # for region 3
  5.957076743724945  5.865623474498887  -0.0  -0.0  # for region 4
  5.771016644265034  5.726866790155902  -0.0  -0.0  # for region 5
