P    #regions in PPM
# 2013-03-12 08:32:31 +0100  puk06221@pcch170
# low field   high field   mi   maxi
  -13.21910066117903  -20.171368416317634  2.447  13.066  # for region 1
  -36.328047002203114  -43.574072549812364  4.269  19.417  # for region 2
