A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.418013416100452  7.30403815259856  831941.0  2284.648822269807  # for region 1
  5.25670197451229  5.163079436635735  387450.0  414.2604166666667  # for region 2
  4.368509028222541  4.267559509120865  206844.0  -150.30676328502415  # for region 3
  2.8667356554804364  2.8105251524318007  625145.0  -309.0865800865801  # for region 4
  1.4895448320049915  1.370381245444592  483207.0  67.23517382413088  # for region 5
