A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.081934541920935  9.996788394710467  -0.0  -0.0  # for region 1
  9.457529462377506  9.397611803229399  -0.0  -0.0  # for region 2
  8.309633255540088  8.22448710832962  -0.0  -0.0  # for region 3
  5.944462499693763  5.894005523569042  -0.0  -0.0  # for region 4
  5.7647095222494436  5.745788156202672  -0.0  -0.0  # for region 5
