A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.078780980913141  9.977867028663697  -0.0  -0.0  # for region 1
  9.4606830233853  9.378690437182629  -0.0  -0.0  # for region 2
  8.325401060579065  8.21187286429844  -0.0  -0.0  # for region 3
  5.947616060701559  5.878237718530067  -0.0  -0.0  # for region 4
  5.771016644265034  5.739481034187082  -0.0  -0.0  # for region 5
