P    #regions in PPM
# 2018-06-01 16:30:58 +0100  ceisam@P15q
# low field   high field   mi   maxi
  7.8094059405940595  7.320554554455446  0.646  1.604  # for region 1
  7.320544554455446  7.172029702970297  3.002  3.926  # for region 2
  2.735148514851485  2.400990099009901  14.011  16.013  # for region 3
  1.5841584158415842  1.4727722772277227  0.609  0.994  # for region 4