ZCZC SA31 NCC-HAMBURG 220910 UTP JUN WY NAV. WARN. NO. 359 NORTHSEA. OUTER ROUGH. NORDSCHILLGRUND. MEASURING INSTRUMENT ESTABLISHED IN POSITION 55-349N 004-09.8E 55-152N 005-364E MARKED BY YELLOW BALLS AND 4 YELLOW SPAR BUOYS WITH INSCRIPTION 'ODAS' FL (5) Y 20 SEC. YELLOW CROSS AS TOPMARK WITH RADAR REFLECTORS OA BERTH OF 500 METRES REQUESTED. NNNN