We have provided multiple different sources (currently 10 sources) of basemaps for i-Boating customers to choose from including street maps, USGS Topos, USGS aerial, satellite imagery and more.
Here is how to change the background maps:
- Tap menu/overflow button on top right and select "Settings"
- In Settings screen select "Refresh Available Sources" from the dropdown.
- Select one of the several background maps
- Tap on Save
I've added a few screenshots with this in action from my Android phone (for Lake Constance/Bodensee and San Francisco Bay).