<para>
   This format provides support for ascii files from Skyforce PC interface for 
   Skymap IIIC, Skymap II (Version 4) and KMD 150. Our module was developed 
   from their interface description.
</para>
<para>
   Each kind of our basic GPS data (waypoints, routes, and tracks) is 
   stored in a seperate file. Therefore you need three steps to 
   convert a complex format like GPX or GDB into skyforce.
   <userinput>
      gpsbabel -i gpx -f file.gpx -o skyforce -w -F waypoints.txt -r -F routes.txt -t -F tracks.txt
   </userinput>
</para>
