P    #regions in PPM
# 2013-03-11 14:44:27 +0100  puk06221@pcch170
# low field   high field   mi   maxi
  -14.948408766701942  -16.4755899508001  0.494  2.367  # for region 1
  -38.09418712451898  -40.64368136008991  15.670  19.468  # for region 2
