A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.481890940703108  8.371134393345004  0.0  0.0  # for region 1
  8.371134393345004  8.280983715262828  0.0  0.0  # for region 2
  8.198560238159123  8.046591952249168  0.0  0.0  # for region 3
  7.979622877102408  7.886896465360739  0.0  0.0  # for region 4
  7.801897254597544  7.701443641877404  0.0  0.0  # for region 5
  7.598414295497773  7.528869486691522  0.0  0.0  # for region 6
  7.474779079842216  7.371749733462585  0.0  0.0  # for region 7
  7.281599055380409  7.232660115850083  0.0  0.0  # for region 8
  7.15538810606536  7.052358759685729  0.0  0.0  # for region 9
  7.003419820155405  6.91842060939221  0.0  0.0  # for region 10
