P    #regions in PPM
# 2018-01-23 11:56:15 +0100  Admin@DELL-WKUBA
# low field   high field   mi   maxi
  172.93980112596708  172.47657951580825  -2.729  -0.462  # for region 1
  172.47656951580825  168.15307448765907  -1.757  0.000  # for region 2
  168.15307448765907  166.76337965718255  -1.757  -1.017  # for region 3
  131.24895621167144  125.0725347428869  13.412  15.077  # for region 4
  85.23461626922663  79.52142641060094  10.452  14.429  # for region 5
  79.52142641060094  78.90378426372249  -2.035  -1.526  # for region 6
  78.90378426372249  72.41854172149871  10.452  14.429  # for region 7
  45.39669779556636  22.543938361063567  -15.354  -11.192  # for region 8
  22.543938361063567  22.543948361063567  -15.354  0.000  # for region 9
  22.543938361063567  16.52192742899864  4.763  6.613  # for region 10
