A 1.0 #regions in PPM
# low field   high field  bias        slope
  13.202112798130058  13.091283563243694  -0.0  -0.0  # for region 1
  8.046874145082578  7.966271065165224  -0.0  -0.0  # for region 2
  7.674084900464813  7.610274128863574  -0.0  -0.0  # for region 3
  7.035977184452413  6.928506411229274  -0.0  -0.0  # for region 4
  6.354209466818122  6.283681771890437  -0.0  -0.0  # for region 5
  4.856335565020614  4.802600178409044  -0.0  -0.0  # for region 6