A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.00298234241303  7.78737109071569  -0.0  -0.0  # for region 1
  6.9122430691206045  6.747363876646168  -0.0  -0.0  # for region 2
  5.060522907484626  4.857594670593012  -0.0  -0.0  # for region 3
  4.0902722748465985  3.988808156400791  -0.0  -0.0  # for region 4
  3.557585653006111  3.4466092734560094  -0.0  -0.0  # for region 5
  3.335632893905906  3.1834367162371957  -0.0  -0.0  # for region 6
  2.625384064785257  2.4478218575050947  -0.0  -0.0  # for region 7
  1.433180673047025  1.3317165546012177  -0.0  -0.0  # for region 8