ZCZC DA14 181056 UTC SEP 26ISTANBUL TURK RADYONAVTEX N/W NR: 0911/26SEA OF MARMARA-STRAIT OF ISTANBUL1. SCIENTIFIC RESEARCH BY R/V T*BITAK MARMARA BETWEEN 21 SEP - 04 OCT 26IN SEA OF MARMA*A STRAIT OF ISTANBUL HALC AND BLACK SEA ENTRANCE.WIDE BERTH REQUESTED.2. 7:**CE* THIS MESSAGE 042059Z OCT 26. NNNN