Reply
Senior Contributor
Posts: 2,139
Registered: ‎11-20-2016
0

Hank held GP units...elevation accuracy?

looking for a tool to help lay out tile lines , so I know how deep I need to go and whether some runs are even possible. Will a hand held GPS unit, like a Garmin Etrex work for this?

 

How accurate are they? Want something accurate to an inch or so.