A 1.0 #regions in PPM
# low field   high field  bias        slope
  3.734760389271727  3.426385678230942  -0.0  -0.0  # for region 1
  3.3664239288619004  3.2336514838304518  -0.0  -0.0  # for region 2
  0.10279157034692826  -0.11564051664029429  -0.0  -0.0  # for region 3
