A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.22904046920414  7.988190504251824  0.0  0.0  # for region 1
  5.037778433585949  4.77685763822094  0.0  0.0  # for region 2
  4.5560785036813165  4.335299369141693  0.0  0.0  # for region 3
  3.1310495443801116  2.629278784062786  0.0  0.0  # for region 4
  2.38842881911047  2.1275080237454604  0.0  0.0  # for region 5
  1.2042498247615814  1.0838248422854233  0.0  0.0  # for region 6
  1.0436831814600371  0.9533644446029186  0.0  0.0  # for region 7
  0.9533644446029186  0.8630457077458  0.0  0.0  # for region 8
  0.12042498247615814  -0.0  0.0  0.0  # for region 9
