P    #regions in PPM
# 2023-11-02 12:17:30 +0100  nim51sx@woc2055
# low field   high field   mi   maxi
  11.021884562980448  10.738251416213005  0.230  0.669  # for region 1
  9.618646889499416  9.39012661864428  0.297  0.720  # for region 2
  9.39012661864428  9.326706599269729  0.048  0.180  # for region 3
  9.260373440951067  9.08621273679562  0.107  0.344  # for region 4
