Posted 11/30/2012 08:46 (#2724734 - in reply to #2724615) Subject: Re: best app to mark a water line for i phone or ipad
CENTRAL ILLINIOS
I used an app called Instamapper GPS Tracker to map a tile line after someone on here recommended it. I seem to remember the repeat accuracy being six feet or so. Your iphone gps may not be accurate enough to do what you want.