A 1.0 #regions in PPM
# low field   high field  bias        slope
  2.663904579101389  2.6575025822631746  0.0  0.0  # for region 1
  2.6349271197284168  2.6231339676580214  0.0  0.0  # for region 2
  2.50149602773194  2.494420136489702  0.0  0.0  # for region 3
  2.477465332375382  2.4705893611283964  0.0  0.0  # for region 4
  1.4657385062929864  1.4344539690045195  0.0  0.0  # for region 5
  1.3116331929831309  1.2745552228634665  0.0  0.0  # for region 6
  -0.011981872446340438  -0.060831044727574536  0.0  0.0  # for region 7
