A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.63196344600383  7.570257016083917  -0.0  -0.0  # for region 1
  7.43562480534956  7.219652300629863  -0.0  -0.0  # for region 2
  3.7528728742201856  3.663118067063948  -0.0  -0.0  # for region 3
  3.6098261503149316  3.531290694053224  -0.0  -0.0  # for region 4
  2.193383099880557  2.1428960208551735  -0.0  -0.0  # for region 5
  2.0643605645934655  2.0166783232917145  -0.0  -0.0  # for region 6
  1.71095101141578  1.480954318077921  -0.0  -0.0  # for region 7
  1.2958350283181808  1.2144947343328405  -0.0  -0.0  # for region 8