A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.951479419430476  7.893620421575992  -0.0  -0.0  # for region 1
  7.802063326069996  7.748019207194929  -0.0  -0.0  # for region 2
  7.6570979248521684  7.600510553324157  -0.0  -0.0  # for region 3
  7.5362934238373125  7.4612674705754545  -0.0  -0.0  # for region 4
  7.379883385681236  7.306764871909086  -0.0  -0.0  # for region 5
  7.107755351816191  7.0454456618190555  -0.0  -0.0  # for region 6
  6.225882494407746  6.164844430737082  -0.0  -0.0  # for region 7
  5.142456864253456  4.908477620182577  -0.0  -0.0  # for region 8
  4.1963668773581615  4.079377255322721  -0.0  -0.0  # for region 9
  2.586487948044394  2.4873010945795646  -0.0  -0.0  # for region 10
  2.088010428067303  2.0269723643966393  -0.0  -0.0  # for region 11
  1.518321833807771  1.4547405174841626  -0.0  -0.0  # for region 12
  1.3097751162663351  1.2233045260662276  -0.0  -0.0  # for region 13