A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.841172243745058  7.739228509265166  -0.0  -0.0  # for region 1
  7.556579318322025  7.437644961428817  -0.0  -0.0  # for region 2
  7.161547347212442  7.097832513162509  -0.0  -0.0  # for region 3
  7.097832513162509  6.932173944632684  -0.0  -0.0  # for region 4
  4.128721246435643  4.039520478765737  -0.0  -0.0  # for region 5
  4.014034545145764  3.9163384662692002  -0.0  -0.0  # for region 6
  3.495820561539644  3.3981244826630803  -0.0  -0.0  # for region 7
  3.185741702496638  3.06680734560343  -0.0  -0.0  # for region 8
  2.7609761421637486  2.693013652510487  -0.0  -0.0  # for region 9
  2.3447058930375255  2.2342668473509755  -0.0  -0.0  # for region 10
  1.427212282718494  1.3550021374619037  -0.0  -0.0  # for region 11