Re: Navionics web charts and SonarCharts
I'm a big Navionics fan - use it on an ipad for passage planning and a back-up on board. Agree with atoyot, I download charts on home wifi and use built in ipad gps so no need for wifi or cell connection on board. In Australia and Caribbean didnt need the sonar feature. There are plenty of shifting sandbanks in my part of the world and I think paper or digital, more data will never change the need for prudence and leaving that extra yard or two under the keel.