P    #regions in PPM
# 2023-12-01 16:29:08 +0100  nim51sx@woc2055
# low field   high field   mi   maxi
  10.95820453083016  10.638256953287673  0.261  0.403  # for region 1
  10.218325757763159  9.870382767185706  0.044  0.144  # for region 2
