ZCZC SA74 NAVTEX-HAMBURG (NCC) 272255 UTC SEP 26 NAV. WARN. NO. 542 EAST FRISIAN ISLANDS. NORTH OF NORDERNEY. AMMUNITION FOUND APPROX IN POSITION 53-475N 007-064E ANCHORING AND FISHING PROHIBITED IN A RADIUS OF 250M AROUND POSITION. NNNN