A 1.0 #regions in PPM
# low field   high field  bias        slope
  11.56076994786473  11.331977061818511  -0.0  -0.0  # for region 1
  7.765520751419771  7.7140300201459  -0.0  -0.0  # for region 2
  7.475735705645895  7.390716126100667  -0.0  -0.0  # for region 3
  7.286537204686092  7.231454096811719  -0.0  -0.0  # for region 4
  3.71816721777397  3.6729857719539862  -0.0  -0.0  # for region 5
  1.8511104125658115  1.7846671098893645  -0.0  -0.0  # for region 6