ZCZC HA81 311508 UTC OCT 26 IRAKLEIO RADIO NAVWARN 1379/26 SOUTH AEGEAN SEA, GEOLOGICAL AND GEOPHYSICAL SURVEY BY R/N GAIA BLU FROM 02 NOV 26 UNTIL FURTHER NOTICE IN THE SEA AREA WITHIN GREEK TERRITORIAL SEA BOUNDED BY: 36 28,23N 025 14,53E 36 48,13N 025 39,47E 37 00,03N 026 01,62E 36 53,78N 026 08,62E 36 21,37N 025 35,73E 36 15,03N 025 23,83E CAUTION ADVISED NNNN