A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.989202213278659  7.906768484508802  -0.0  -0.0  # for region 1
  6.951911126257956  6.845434226596891  -0.0  -0.0  # for region 2
  3.386652356961633  3.2870449346980553  -0.0  -0.0  # for region 3
  3.18056803503699  3.0775258740746683  -0.0  -0.0  # for region 4
  2.6894004011165906  2.565749807961805  -0.0  -0.0  # for region 5