A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.027304058973622  9.982068100812839  -0.0  -0.0  # for region 1
  9.462849714833876  9.364901874197297  -0.0  -0.0  # for region 2
  8.223897193630396  8.181676966013665  -0.0  -0.0  # for region 3
  6.932530498388935  6.856348844560485  -0.0  -0.0  # for region 4
  6.829141111050325  6.747517910519843  -0.0  -0.0  # for region 5
  5.953052092023151  5.865987344790637  -0.0  -0.0  # for region 6
  5.7570296085956825  5.732903764243265  -0.0  -0.0  # for region 7
