A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.425498390237086  8.403783188200393  0.0  0.0  # for region 1
  7.802995931851872  7.761978328004784  0.0  0.0  # for region 2
  7.682355920536908  7.635306316124072  0.0  0.0  # for region 3
  7.462791099943673  7.4181542957571365  0.0  0.0  # for region 4
  7.238400678897841  7.208240676069099  0.0  0.0  # for region 5
  7.179287073353508  7.127411868488074  0.0  0.0  # for region 6
