A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.8169606068060835  7.732857025860173  -0.0  -0.0  # for region 1
  7.6908052353872165  7.583339548622997  -0.0  -0.0  # for region 2
  7.541287758150041  7.475873861858777  -0.0  -0.0  # for region 3
  7.475873861858777  7.331028805785263  -0.0  -0.0  # for region 4
  4.366711321810729  4.199457715258429  -0.0  -0.0  # for region 5
  4.366139188607015  4.286612673290813  -0.0  -0.0  # for region 6
  4.286231251155004  4.199648426326333  -0.0  -0.0  # for region 7
  3.761299036747697  3.6678506134744624  -0.0  -0.0  # for region 8
  3.6164539806741836  3.49964345158264  -0.0  -0.0  # for region 9
  3.443574397618699  3.3127466050361707  -0.0  -0.0  # for region 10
  1.6353474072816074  1.574605932154005  -0.0  -0.0  # for region 11
  1.415743612589506  1.2335191872066982  -0.0  -0.0  # for region 12