P    #regions in PPM
# 2023-11-02 11:57:50 +0100  nim51sx@woc2055
# low field   high field   mi   maxi
  11.8678079831641  11.524462594971931  0.148  0.297  # for region 1
  11.10647690499883  9.140948958101637  0.134  0.741  # for region 2
