A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.882998494176654  7.711053896149311  -0.0  -0.0  # for region 1
  7.697827388608745  7.5523358056625325  -0.0  -0.0  # for region 2
  7.089408041742763  6.943916458796549  -0.0  -0.0  # for region 3
  6.824877890931465  6.719065830606946  -0.0  -0.0  # for region 4
  6.705839323066382  6.547121232579603  -0.0  -0.0  # for region 5
  5.581586182118369  5.369962061469331  -0.0  -0.0  # for region 6
  3.6108365585742055  3.465344975627992  -0.0  -0.0  # for region 7
  2.0393152061972035  1.9441868000772173  -0.0  -0.0  # for region 8