A 1.0 #regions in PPM
# low field   high field  bias        slope
  4.950314214865331  4.744906986032745  -0.0  -0.0  # for region 1
  3.3481378299711575  3.2146231312299762  -0.0  -3.637978807091713E-12  # for region 2
  3.188947227625903  2.978404818072502  -0.0  1.8189894035458565E-12  # for region 3
  2.213262890671118  2.0746130112091223  -0.0  -0.0  # for region 4
  2.0386667461634196  1.9667742160720143  -0.0  -0.0  # for region 5
  1.9616390353511997  1.8589354209349065  -0.0  -0.0  # for region 6
  1.8589354209349065  1.699744818589652  -0.0  -0.0  # for region 7
