A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.030319789517675  9.976036639724734  -0.0  -0.0  # for region 1
  9.457330986147753  9.381937722546448  -0.0  -0.0  # for region 2
  8.22691292417445  8.178661235469614  -0.0  -0.0  # for region 3
  5.947020632870973  5.892737483078032  -0.0  -0.0  # for region 4
  5.75401387805163  5.735919494787317  -0.0  -0.0  # for region 5
