A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.142613302670558  10.103258476318311  -0.0  -0.0  # for region 1
  9.536986252694325  9.38175332652713  -0.0  -0.0  # for region 2
  8.227209812145588  8.185244210494075  -0.0  -0.0  # for region 3
  7.963384682843807  7.938246602672485  -0.0  -0.0  # for region 4
  6.016979046721442  5.939769229052382  -0.0  -0.0  # for region 5
