A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.85975442435678  7.575355415580712  -0.0  -0.0  # for region 1
  7.109975219401692  6.9677757150136586  -0.0  -0.0  # for region 2
  6.825576210625624  6.605813340207754  -0.0  -0.0  # for region 3
  5.571635126476599  5.377726711402007  -0.0  -0.0  # for region 4
  3.6584054310739615  3.46449701599937  -0.0  -0.0  # for region 5