A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.091395224944321  9.981020589671491  -0.0  -0.0  # for region 1
  9.463836584393096  9.384997559198219  -0.0  -0.0  # for region 2
  8.325401060579065  8.21187286429844  -0.0  -0.0  # for region 3
  5.947616060701559  5.894005523569042  -0.0  -0.0  # for region 4
  5.7647095222494436  5.739481034187082  -0.0  -0.0  # for region 5
