A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.288972945213184  8.184380226661599  -0.0  -0.0  # for region 1
  7.447001560872917  7.347638478248911  -0.0  -0.0  # for region 2
  5.3499175539136195  5.292391558710247  -0.0  -0.0  # for region 3
  4.0581974798015334  3.953604761249948  -0.0  -0.0  # for region 4
  2.7194106823412336  2.640966143427544  -0.0  -0.0  # for region 5
  1.6211871375495817  1.537512962708313  -0.0  -0.0  # for region 6
  1.4276906082291478  1.3335571615327204  -0.0  -0.0  # for region 7