P    #regions in PPM
# 2018-03-29 10:29:07 +0200  ceisam@P15q
# low field   high field   mi   maxi
  7.8094059405940595  7.580445544554456  1.623  1.955  # for region 1
  7.382425742574258  7.357683267326733  1.294  2.121  # for region 2
  7.357673267326733  7.339118910891089  1.833  2.229  # for region 3
  7.339108910891089  7.320554554455446  1.905  2.516  # for region 4
  7.320544554455446  7.116336633663367  11.690  12.356  # for region 5
  7.0111386138613865  6.893564356435644  2.912  3.370  # for region 6
  2.586855761690029  2.5837387265954304  14.378  15.744  # for region 7
  1.6027227722772277  1.4542079207920793  3.163  4.026  # for region 8