ZCZC HA86 312050 UTC AUG 26 IRAKLEIO STATION RADIO NAVWARN 1*EYXWY QM UNAUTHORIZED STATION HAA*BROADCAST NAVTEXTMESSAGE NO. 0862/26 WHICH IS REFERRING TO SCIENTIF*C RESEARCH PART OF WHICH IS UNAUTHORISED AS ONE OF THE POSITIONS DEFINED THEREIN LIES OVER GREEK CONTINENTAL SHELF. 2* MOREOVER THIS POSITION FALLS WITHIN THE HELLENIC NAVTEX SERVICE AREA WHERE THE IRAKLEIO NAVTEX STATION HAS THE EXCLUSIVE AUTHORITY TO BROADCAST NAVTEX MESSAGES. 3. CANCEL THIS MESSAGE ON 152059Z SEP 26 NNNN