A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.457312842209785  7.318091002539828  -0.0  -0.0  # for region 1
  5.862701718327283  5.812699997915111  -0.0  -0.0  # for region 2
  5.325183223896424  5.2626810733812075  -0.0  -0.0  # for region 3
  4.358327466107369  4.198048521232053  -0.0  -0.0  # for region 4
  3.9229846551359886  3.801200653352998  -0.0  -0.0  # for region 5
  3.7473077330237436  3.691315088525817  -0.0  -0.0  # for region 6
  3.682916191851128  3.566031546461706  -0.0  -0.0  # for region 7