A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.058829554260987  10.00880990456727  -0.0  -0.0  # for region 1
  9.441513877553156  9.392714219315383  -0.0  -0.0  # for region 2
  8.30002320126233  8.23150885879908  -0.0  -0.0  # for region 3
  7.965199334845351  7.934103962066675  -0.0  -0.0  # for region 4
  5.999844929480652  5.966774128967397  -0.0  -0.0  # for region 5
  5.944726928625227  5.893617509650195  -0.0  -0.0  # for region 6
  4.011946705988897  3.9691797614072892  -0.0  -0.0  # for region 7
