ZCZC NA18 ALEXRADIO NAVAREA III 99/26 MED. SEA CHART B.A. NO.183-M33 FM: 03 MAR 26 ALL VESSELS SAILING IN THE AREA OF NORTH EAS THE MED. SEA SHALL TAKE ALL PRECAUTIONS AND BE CAREFUL WHILE SAILING AND USE THE TRADITIONAL NAVIGATIONAL METHODS FOR LOCATING THE SHIP POSITION DUE TO THE POSSIBILITY OF INTERFERENCE IMPACTING SATELLITE NAVIGATION SYSTEMS (GPS) -CANCEL N/W NO.: 165/24 NNNN