A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.170006144903757  7.97609777121142  -0.0  -0.0  # for region 1
  6.993628677836918  6.838501978883049  -0.0  -0.0  # for region 2
  3.9686580482364766  3.8393857991082525  -0.0  -0.0  # for region 3
  3.464496276636403  3.2835151278568895  -0.0  -0.0  # for region 4
  2.753498906431171  2.5725177576516574  -0.0  -0.0  # for region 5