A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.842963837941051  8.716995692101435  69209.9609375  21.65841584158416  # for region 1
  7.905760832894307  7.764676509553937  95459.9609375  -7.655743450451245  # for region 2
  5.592347141641325  5.490538959130496  95459.9609375  155.9528192406803  # for region 3
  5.490538959130496  5.369789719408351  140209.9609375  -63.712444481379045  # for region 4
  4.3777518479656266  4.264105504697724  125209.9609375  28.75330894327847  # for region 5
  4.26173787254631  4.162297322186896  172709.9609375  -131.9049982667529  # for region 6
  4.088900725493043  3.9870925429822144  172709.9609375  13.800523205639674  # for region 7
  3.7763732815063134  3.657991673935583  172709.9609375  13.800523205639674  # for region 8
  1.8687522486601371  1.6390732013387797  122959.9609375  -0.0  # for region 9
