Quote Originally Posted by Barnacle Bill View Post
Showing you on land is pretty common as the base maps do not go into detail with small lakes and rivers. Even some of the mapping cards will do that in some areas.
I took my car GPS ( garmin nuvi) on boat in a couple of small lakes, just to see how it worked. It did Fine. when driving car, it shows streams and small ponds just like they are. You would think boat GPS would do as well! ( maybe because I have lifetime updates?)