A 1.0 #regions in PPM
# low field   high field  bias        slope
  4.717583445580773  4.577330964766209  -0.0  -0.0  # for region 1
  3.72731592952643  3.49781187001169  -0.0  -0.0  # for region 2
  2.8688007439342535  2.7455485638244856  -0.0  -0.0  # for region 3
  1.763781198122541  1.5895281158983865  -0.0  -0.0  # for region 4
  1.5597775896649941  1.3387736805026516  -0.0  -0.0  # for region 5
  1.4629446570575169  1.4621849817844763  -0.0  -0.0  # for region 6