A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.941117376342207  7.707555100567436  -0.0  -0.0  # for region 1
  7.240430549017895  6.938173486250545  -0.0  -0.0  # for region 2
  3.5446510088171097  3.3935224774334345  -0.0  -0.0  # for region 3
  3.379783520034919  3.146221244260148  -0.0  -0.0  # for region 4
  1.4425905268441725  1.3052009528590134  -0.0  -0.0  # for region 5