A 1.0 #regions in PPM
# low field   high field  bias        slope
  3.9891110833433294  3.733610166848199  -0.0  -0.0  # for region 1
  3.387447634822538  3.0577690328933373  -0.0  -0.0  # for region 2
  2.4643475494207756  2.142910912539805  -0.0  -0.0  # for region 3
