P    #regions in PPM
# 2023-11-02 12:13:16 +0100  nim51sx@woc2055
# low field   high field   mi   maxi
  11.155241902162329  10.657142288277749  0.243  0.628  # for region 1
  9.772625726669672  9.650414303584947  0.027  0.265  # for region 2
  9.535049751504797  9.091686358926216  0.094  0.560  # for region 3
