A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.816706570130897  7.750428189038107  -0.0  -0.0  # for region 1
  7.3796834948003145  7.313405113707525  -0.0  -0.0  # for region 2
  4.90045780204815  4.755473843407672  -0.0  -0.0  # for region 3
  4.094761231888923  4.022269252568684  -0.0  -0.0  # for region 4
  3.4195502245061267  3.3118478552303428  -0.0  -0.0  # for region 5
  2.4667984962972707  2.4150185110685287  -0.0  -0.0  # for region 6
  1.43119879172243  1.354564413583892  -0.0  -0.0  # for region 7