Check around for a 5 foot error on those. Hint: 2 revolutions of PPT = 10 feet..Imagine if count was sitting right on the edge of being 2 revolutions or 1....All of a sudden position count would be 5 feet off...That's all I can say for now...

Damn... Too much Maker's Mark with my brother tonight...I think we fixed every elevator in the world. Now if only I could type..LOL..

It Don't mean a thing if it aint got that swing.

Cool, Free, Johnny Smith courtesy of NPR..HERE
http://www.npr.org/ramfiles/asc/asc25.smith.asx