Thanks for explaning a bit more of your thinking, tashirosgt. I will agree with you that for the planning of some crop circles, a GPS might help. I still don't think it is necessary for very complex circles, but that doesn't mean some people wouldn't use GPS to get things set up.

CJSF

__________________
Two years ago moved from my town
I was looking up past the city lights
But the city lights got in my way

See the constellation ride across the sky
No cigar, no lady on his arm
Just a guy made of dots and lines

-from "See The Constellation"
by They Might Be Giants