A 1.0 #regions in PPM
# low field   high field  bias        slope
  2.665824756302729  2.6474678911101317  0.0  0.0  # for region 1
  2.6348220506441202  2.6172810461267497  0.0  0.0  # for region 2
  2.5071398549711663  2.490006780791409  0.0  0.0  # for region 3
  2.4757292189749447  2.4606357964832535  0.0  0.0  # for region 4
  1.4591367596177953  1.4286321583714303  0.0  0.0  # for region 5
  1.3070759443139452  1.2719494337878279  0.0  0.0  # for region 6
  -0.03472931519738863  -0.052018144596962  0.0  0.0  # for region 7
