A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.783182784175153  8.737931971273683  -0.0  -0.0  # for region 1
  8.079532643557307  8.021837857107935  -0.0  -0.0  # for region 2
  7.527472726159385  7.466384128742401  -0.0  -0.0  # for region 3
  7.438102370678983  7.274068173911158  -0.0  -0.0  # for region 4
  5.779660077840141  5.611100799782169  -0.0  -0.0  # for region 5
  5.042071827546194  4.876906360455832  -0.0  -0.0  # for region 6
  4.554494318532865  4.382541229507282  -0.0  -0.0  # for region 7
  4.0918047566153435  3.8316125824318963  -0.0  -0.0  # for region 8
  3.3406412624509563  2.974109677949057  -0.0  -0.0  # for region 9
  2.9507189390395707  2.511250160884741  -0.0  -0.0  # for region 10
  0.9231165831899697  0.7443758722291667  -0.0  -0.0  # for region 11