A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.942761663105414  7.875592431282112  -0.0  -0.0  # for region 1
  7.7009524285415285  7.586764734441916  -0.0  -0.0  # for region 2
  7.435633962839487  7.3415970382868645  -0.0  -0.0  # for region 3
  6.955373955302881  6.8076016452916175  -0.0  -0.0  # for region 4
  6.310549329799185  6.233304713202388  -0.0  -0.0  # for region 5
  4.664903150128302  4.577583148758009  -0.0  -0.0  # for region 6
  4.171209296227027  4.097323141221395  -0.0  -0.0  # for region 7
  4.093964679630237  4.020078524624605  -0.0  -0.0  # for region 8
  3.573403132999643  3.4928000548116813  -0.0  -0.0  # for region 9
  3.3718954375297385  3.2476323586566305  -0.0  -0.0  # for region 10
  2.5121292701914784  2.4113754224565263  -0.0  -0.0  # for region 11