P    #regions in PPM
# 2012-07-29 10:42:08 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  1000.0  221.22181  0.000  1000000.000  # for region 1
  221.2218  -15.5767  3.000  1000000.000  # for region 2
