A 1.0 #regions in PPM
# low field   high field  bias        slope
  4.566944893112635  4.491853123569677  -0.0  -0.0  # for region 1
  4.141993742744531  4.051542293067786  -0.0  -0.0  # for region 2
  3.3296373267798023  3.259665450614773  -0.0  -0.0  # for region 3
  3.1026553870249516  3.053163084371638  -0.0  -0.0  # for region 4
  2.935405536679272  2.8790867095220536  -0.0  -0.0  # for region 5
  2.739142957191995  2.6879440234127054  -0.0  -0.0  # for region 6