A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.9467315474570865  7.859182810069847  -0.0  -0.0  # for region 1
  7.663881780513699  7.586434820517296  -0.0  -0.0  # for region 2
  7.407970086612538  7.34062490400697  -0.0  -0.0  # for region 3
  6.973593658806622  6.811965220553257  -0.0  -0.0  # for region 4
  6.29340731449038  6.195756799712305  -0.0  -0.0  # for region 5
  4.690591968477856  4.586206935439224  -0.0  -0.0  # for region 6
  4.188870358066369  4.114790657200244  -0.0  -0.0  # for region 7
  4.114790657200244  4.017140142422169  -0.0  -0.0  # for region 8
  3.387462685060102  3.2460378015884084  -0.0  -0.0  # for region 9
  2.653400194659404  2.5389133842299376  -0.0  -0.0  # for region 10
  2.5321788659693807  2.400855759888522  -0.0  -0.0  # for region 11