P    #regions in PPM
# 2011-07-06 08:06:21 -0500  mfjofre@kerry
# low field   high field   mi   maxi
  160.1755864619851  128.49685489966419  0.857  8.996  # for region 1
  105.13379037245251  61.17955032973225  2.811  15.073  # for region 2