A 1.0 #regions in PPM
# low field   high field  bias        slope
  2.0062082198344  1.953337375516771  -0.0  -0.0  # for region 1
  1.953337375516771  1.9187310046906865  -0.0  -0.0  # for region 2
  1.9086374798664119  1.859131143823541  -0.0  -0.0  # for region 3
  1.859131143823541  1.8120280279769259  -0.0  -0.0  # for region 4
  1.8120280279769259  1.643802614239015  -0.0  -0.0  # for region 5
  1.6130413957269398  1.5717060083513388  -0.0  -0.0  # for region 6
