SGPropertyNode_ptr gps_to_flag_node;
SGPropertyNode_ptr gps_from_flag_node;
SGPropertyNode_ptr gps_has_gs_node;
-
+ SGPropertyNode_ptr gps_course_node;
+ SGPropertyNode_ptr gps_xtrack_error_nm_node;
+ SGPropertyNode_ptr _magvarNode;
+
// internal (private) values
int play_count;