A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.188959826083135  8.097844834972335  -0.0  -0.0  # for region 1
  7.363230219141511  7.255031167197436  -0.0  -0.0  # for region 2
  5.267585423593115  5.187859806371165  -0.0  -0.0  # for region 3
  3.9691968002642173  3.8496083744312926  -0.0  -0.0  # for region 4
  2.642334742213195  2.528441003324695  -0.0  -0.0  # for region 5
  1.3838089274952723  1.3268620580510224  -0.0  -0.0  # for region 6
  1.3154726841621724  1.2585258147179226  -0.0  -0.0  # for region 7