A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.16229071584668  10.077021925416814  -0.0  -0.0  # for region 1
  9.543545390419698  9.392685222736088  -0.0  -0.0  # for region 2
  8.229161700594496  8.184268266269621  -0.0  -0.0  # for region 3
  7.9687714143090895  7.940042179827579  -0.0  -0.0  # for region 4
  6.016979046721442  5.945155960517665  -0.0  -0.0  # for region 5
