This link will show you how the new Navionics SonarChart layers are created. This new mapping technology is well worth the money for any tournament and recreational angler and will put you on the fish quicker and more hook ups in the long run!
I've now seen several guys with iPads installed on their consoles with RAM mounts and waterproof Lifeproof cases.
I use my Navionics app religiously on my iPad, like I used to use paper maps, since it is much more detailed and you can review the lake so quickly. I also could see how an iPad...