A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.922677316543065  7.777185746456297  -0.0  -0.0  # for region 1
  6.891009819564168  6.692612223991303  -0.0  -0.0  # for region 2
  5.02607242117924  4.814448319234851  -0.0  -0.0  # for region 3
  4.100216975172538  3.9018193795996727  -0.0  -0.0  # for region 4
  3.531477201196992  3.4124386438532732  -0.0  -0.0  # for region 5
  3.3463061119956516  3.147908516422787  -0.0  -0.0  # for region 6
  2.6320747679333385  2.4601301851035227  -0.0  -0.0  # for region 7
  1.6136337773259664  1.468142207239199  -0.0  -0.0  # for region 8