A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.766065037006677  7.488437591239289  -0.0  -0.0  # for region 1
  7.260804515299247  7.234554865714962  -0.0  -0.0  # for region 2
  7.2108101454719  7.098258478268905  -0.0  -0.0  # for region 3
  2.5136539008668954  2.431116011584699  -0.0  -0.0  # for region 4
  2.266040233020306  2.085957565495513  -0.0  -0.0  # for region 5
  1.5358418436971155  1.5173150253004422  -0.0  -0.0  # for region 6