ZCZC KA11 191245 UTC JUN 26 KERKYRA RADIO NAVWARN 089/26 NORTH IONIO SEA SUBMARINE CABLE INSTALLATION OPERATIONS WILL BE CONDUCTED BY VESSELS ALCYONE AND HYDNA FROM 22 JUNE 2026 UNTIL FURTHER NOTICE IN AREA BOUNDED BY: 39-38.52N 019-53.40E 39-38.17N 019-54.10E 39-37.83N 019-53.68E 39-38.25N 019-53.10E AND IN AREA BOUNDED BY: 39-40.70N 020-00.97E 39-40.87N 020-01.08E39-40.82N 020-01.37E39-40.61N 020-01.32E VHF WORKING CHANNELS 12 AND 16 SAFETY DISTANCE REQUIRED 0.5 NM