P    #regions in PPM
# 2011-05-12 08:26:31 -0500  mfjofre@kerry
# low field   high field   mi   maxi
  199.52183514750263  178.74467620411795  3.548  6.483  # for region 1
  101.44142307652507  13.749590477239844  1.422  18.825  # for region 2
