Right click on the map to add a new waypoint

Left click on a waypoint to edit its properties

Drag a circle to move the waypoint

Click "Save" to download a file with your waypoints in. This file can be reloaded using the "Load" button.

Import existing waypoints using the "Import" button

Note: all changes will be lost if you leave or refresh the page.

When you're finished click the "Save" button and send the resulting file to Alan.