A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.856545479095524  7.724280403689876  -0.0  -0.0  # for region 1
  7.4465237453380135  7.314258669932365  -0.0  -0.0  # for region 2
  4.179576382818494  3.9679522621694567  -0.0  -0.0  # for region 3
  3.491797990709122  3.280173870060084  -0.0  -0.0  # for region 4
  2.4865834176261927  2.3807713573016738  -0.0  -0.0  # for region 5
  1.4945953520838287  1.3491037691376153  -0.0  -0.0  # for region 6