P    #regions in PPM
# 2023-11-02 12:01:03 +0100  nim51sx@woc2055
# low field   high field   mi   maxi
  11.478192131917645  11.205696291576576  0.012  0.040  # for region 1
  11.1562371061861  8.787651529672013  0.064  0.560  # for region 2
