A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.587366280613217  7.507400237978112  -0.0  -0.0  # for region 1
  7.35217203756879  7.253390455490131  -0.0  -0.0  # for region 2
  7.149904988550583  7.055827291332812  -0.0  -0.0  # for region 3
  3.986098794098225  3.874639704150826  -0.0  -0.0  # for region 4
  3.8263790672663847  3.7551371747226865  -0.0  -0.0  # for region 5
  3.7516899863737976  3.7206652912338  -0.0  -0.0  # for region 6
  3.627591205813807  3.559796501618997  -0.0  -0.0  # for region 7
  2.5543665665264785  2.4222243464857476  -0.0  -0.0  # for region 8
  2.3946468396946385  2.2613555568709445  -0.0  -0.0  # for region 9