A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.86182523842152  7.767558748752197  61000.0  195.12195121951217  # for region 1
  7.616732365281281  7.503612577678093  80500.0  -30.612244897959176  # for region 2
  5.509876321171917  5.392043209085263  20000.0  607.3170731707319  # for region 3
  5.269496772515144  5.137523686978092  74500.0  -0.0  # for region 4
  4.312691902371517  4.058172380264346  65500.0  395.6916099773246  # for region 5
  3.5915532564011983  3.4737201443145445  171000.0  -0.0  # for region 6
  1.7957766282005991  1.6025303243784874  121000.0  -0.0  # for region 7
