P    #regions in PPM
# 2011-01-11 08:44:10 -0600  mfjofre@kerry
# low field   high field   mi   maxi
  182.28201818394763  161.86835343343967  1.933  7.106  # for region 1
  82.13498052557324  16.330931800406375  2.030  17.498  # for region 2
