A 1.0 #regions in PPM
# low field   high field  bias        slope
  6.933940959183852  6.746711640919111  27000.0  1.2706480304955525  # for region 1
  5.710494207074593  5.594282906082685  31750.0  21.26024590163933  # for region 2
  5.594282906082685  5.4780716050907765  46625.0  -21.98364008179958  # for region 3
  5.4780716050907765  5.294070378520256  42000.0  -6.7917205692108675  # for region 4
  4.470906996494241  4.341783328725454  40375.0  25.552486187845304  # for region 5
  4.341783328725454  4.018974159303488  48500.0  -4.428044280442803  # for region 6
  3.0701088867045585  2.8982452849043034  34375.0  -4.1551246537396125  # for region 7
  1.8983116017028188  1.63661020805243  42250.0  -1.4786169244767968  # for region 8
