A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.434839546313222  8.399513738199975  0.0  0.0  # for region 1
  7.815032185780783  7.763649192161514  0.0  0.0  # for region 2
  7.694603294485621  7.646431737967555  0.0  0.0  # for region 3
  7.47301413450252  7.423236859433853  0.0  0.0  # for region 4
  7.254636411620624  7.212887729304968  0.0  0.0  # for region 5
  7.193619106697742  7.130996083224257  0.0  0.0  # for region 6
