P    #regions in PPM
# 2023-11-02 12:10:49 +0100  nim51sx@woc2055
# low field   high field   mi   maxi
  11.126779067083215  10.57706319650708  0.258  0.648  # for region 1
  10.080010415026178  9.86468308973857  0.021  0.151  # for region 2
  9.603718829143233  9.215589259882522  0.585  1.141  # for region 3
