A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.491666909445561  8.462646593445937  -0.0  -0.0  # for region 1
  7.783066130954906  7.719660296894174  -0.0  -0.0  # for region 2
  7.591527673896444  7.536047569093303  -0.0  -0.0  # for region 3
  7.267893729211456  7.209771714655784  -0.0  -0.0  # for region 4
  7.059182858761544  7.020875167349852  -0.0  -0.0  # for region 5
  6.908594002867305  6.843867213930308  -0.0  -0.0  # for region 6
  3.107028756478624  3.0330857380178053  -0.0  -0.0  # for region 7
  1.0664858431848838  1.0067626359665305  -0.0  -0.0  # for region 8
