#include <simgear/io/iochannel.hxx>
#include <simgear/serial/serial.hxx>
-SG_USING_STD(cout);
-SG_USING_STD(endl);
-SG_USING_STD(string);
-SG_USING_STD(vector);
+using std::cout;
+using std::endl;
+using std::string;
+using std::vector;
enum ugPacketType {