To start a new GPX-file, use the "New GPX" button (1). A new node will appear in the list on the panel on the right hand side. Now you can easily add waypoints by using the "Add wpt" button (2) and continue by clicking on the desired location in the map preview. The software will ask for a name of that waypoint and will add it to the list. If you want to delete or rename any items you can do it by performing a mouse right click on the specific item.To save your GPX-file use the "Save GPX" button (3). The generated file can be used along with the offline atlas on most of the handhelds or smartphone applications.Further the program is able to load GPX files (4) and display their data in the map preview. You can use this to open files created by MOBAC as well as from other sources (e.g. recordings from your GPS-handheld).