A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.892367479545012  7.809691591362832  -0.0  -0.0  # for region 1
  7.129205434786429  7.084687648842179  -0.0  -0.0  # for region 2
  7.065608597723214  6.982932709541034  -0.0  -0.0  # for region 3
  4.470857645544032  4.286426818060708  -0.0  -0.0  # for region 4
  4.2546283995291  4.140154092815313  -0.0  -0.0  # for region 5
  3.650458447428555  3.535984140714768  -0.0  -0.0  # for region 6
  3.5423438244210894  3.396071099175694  -0.0  -0.0  # for region 7
  1.4627272524539507  1.3482529457401633  -0.0  -0.0  # for region 8