A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.157917957363097  10.090140200867562  -0.0  -0.0  # for region 1
  9.547918148903282  9.373007809559965  -0.0  -0.0  # for region 2
  8.228185756370042  8.187196098942982  -0.0  -0.0  # for region 3
  7.963384682843807  7.938246602672485  -0.0  -0.0  # for region 4
  6.018774623876537  5.9415648062074755  -0.0  -0.0  # for region 5
