A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.9760994734015345  7.84682719668514  0.0  0.0  # for region 1
  7.808045513670222  7.601209870923991  0.0  0.0  # for region 2
  7.252174723789726  7.097047991730053  0.0  0.0  # for region 3
  6.941921259670379  6.812648982953985  0.0  0.0  # for region 4
  6.6445950232226725  6.554104429521196  0.0  0.0  # for region 5
  6.528249974177918  6.437759380476441  0.0  0.0  # for region 6
  5.235527207013973  5.015764336596103  0.0  0.0  # for region 7
  3.5420603820292067  3.4257153329844514  0.0  0.0  # for region 8