A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.41934666074984  7.279077435868407  0.0  0.0  # for region 1
  4.804967065087388  4.712449065697506  0.0  0.0  # for region 2
  4.5333819701041875  4.419972809561752  0.0  0.0  # for region 3
  3.8380047488834665  3.760409007459695  0.0  0.0  # for region 4
  2.232369791730044  2.092100566848611  0.0  0.0  # for region 5
  1.08335592833958  0.9550245098310346  0.0  0.0  # for region 6
