A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.043515683419358  7.976346450154896  -0.0  -0.0  # for region 1
  7.700952593770601  7.633783360506139  -0.0  -0.0  # for region 2
  7.076278724411101  7.0393356461156475  -0.0  -0.0  # for region 3
  7.032618722789201  7.005751029483416  -0.0  -0.0  # for region 4
  7.002392567820193  6.972166412851185  -0.0  -0.0  # for region 5
  6.357567928481355  6.28704023355367  -0.0  -0.0  # for region 6
  4.997390954875993  4.863052488347068  -0.0  -0.0  # for region 7
  3.7480432161569945  3.573403209669393  -0.0  -0.0  # for region 8