A 1.0 #regions in PPM
# low field   high field  bias        slope
  2.087936181766774  2.0006791473048793  -0.0  -0.0  # for region 1
  1.9300425003595356  1.86356095029333  -0.0  -0.0  # for region 2
  1.8538657242420082  1.8109297231575836  -0.0  -0.0  # for region 3
  1.800541980959739  1.7596835283148833  -0.0  -0.0  # for region 4
  1.742370624651809  1.6648088162412356  -0.0  -0.0  # for region 5
  1.6599612032155748  1.6211802990102882  -0.0  -0.0  # for region 6
