A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.510700017749934  7.419173576288234  -0.0  -0.0  # for region 1
  7.3950347345840495  7.319097961722969  -0.0  -0.0  # for region 2
  5.569392502629006  5.48867666925757  -0.0  -0.0  # for region 3
  3.218543855685965  3.0520674493573807  -0.0  -0.0  # for region 4
  2.6030856262287743  2.4719223970001925  -0.0  -0.0  # for region 5
  1.7606141154144228  1.6597193237001293  -0.0  -0.0  # for region 6