Abbreviations in the text
COSPAS(俄)-SARSAT(near polar-orbiting search and rescue satellite system)n. 近極軌道搜救衛星系統
DSC(digital selective calling)n. 數字選擇性呼叫
EPIRB(emergency position indicating radio beacon)n. 應急無線電示位標
GHz(giga hertz)n. 千兆赫
GMDSS(global maritime distress and safety system)n. 全球海上遇險及安全系統
HF(high frequency)n. 高頻
IMO(international maritime organization)n. 國際海事組織
INMARSAT(international maritime satellite organization)國際海事衛星組織;(international mobile satellite organization)國際移動衛星組織
kHz(kilo hertz)n. 千赫
MF(medium frequency)n. 中頻
MHz(mega hertz)n. 兆赫
MSI(maritime safety information)n. 海上安全信息
NBDP(narrow band direct printing)n. 窄帶直接印字電報
SAR(search and rescue)n. 搜救
SES(ship earth station)n. 船舶地球站
SOLAS(safety of life at sea)n. 海上人命安全公約
VHF(very high frequency)n. 甚高頻