turn off realtime navdata

launch/track.launch

@@ -28,7 +28,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 -->
 
   <node name="ardrone_driver" pkg="ardrone_autonomy" type="ardrone_driver" >
-    <param name="realtime_navdata" value="true" />
+<!--    <param name="realtime_navdata" value="true" /> -->
   </node>
 
   <node name="ardrone_tracker" pkg="falkor_ardrone" type="ardrone_tracker.py"  output="screen" >