A 1.0 #regions in PPM
# low field   high field  bias        slope
  9.500661119717522  9.441950014715307  -0.0  -0.0  # for region 1
  9.140867424960355  9.029466866751022  -0.0  -0.0  # for region 2
  7.016729754239165  6.95199699744185  -0.0  -0.0  # for region 3
  6.474781092680251  6.419080813575585  -0.0  -0.0  # for region 4
  6.419080813575585  6.35434805677827  -0.0  -0.0  # for region 5
  6.00960849150885  5.929821605223787  -0.0  -0.0  # for region 6
  2.0820674131877275  2.063632974704019  -0.0  -0.0  # for region 7
  1.8159817023165146  1.6977139864093465  -0.0  -0.0  # for region 8
