01107nam a2200217Ia 4500 CTU_214914 210402s9999 xx 000 0 und d 623.8932 B662 The boatowner’s guide to GMDSS and marine radio : Digital selective calling VHF radio simulator US Power Squadrons Camden, Me. International Marine/McGraw-Hill 2005 The new digital Global Maritime Distress and Safety System (GMDSS) is revolutionizing emergency communications and international search-and-rescue at sea. Clearly and concisely, this one-of-a-kind guide presents what you should know about using digital marine radios for emergency assistance and enhanced safety Radio in navigation,Artificial satellites in navigation,Navigation,Distress signals,Điều khiển vệ tinh trong ngành hàng hải,Ngành hàng hải Safety measures,Biện pháp an toàn Qhieu Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ