A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.670050951584752  7.5101014101508206  -0.0  -0.0  # for region 1
  7.448944232543729  7.352974507683371  -0.0  -0.0  # for region 2
  7.336038673884484  7.2297192728136945  -0.0  -0.0  # for region 3
  7.14504010381926  7.07165149069075  -0.0  -0.0  # for region 4