A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.155731578121307  10.090140200867562  -0.0  -0.0  # for region 1
  9.547918148903282  9.38175332652713  -0.0  -0.0  # for region 2
  8.229161700594496  8.184268266269621  -0.0  -0.0  # for region 3
  7.961589105688712  7.9418377569826735  -0.0  -0.0  # for region 4
  6.018774623876537  5.9415648062074755  -0.0  -0.0  # for region 5
