A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.814662254656574  7.749208723443404  -0.0  -0.0  # for region 1
  7.388296728903492  7.315502614750526  -0.0  -0.0  # for region 2
  4.147279553168954  4.028631763611455  -0.0  -0.0  # for region 3
  3.429999734480435  3.2951727008923677  -0.0  -0.0  # for region 4
  2.4808174180204405  2.389135035180555  -0.0  -0.0  # for region 5
  1.9415092836681709  1.8012891687365808  -0.0  -0.0  # for region 6