GMDSS是指全球海上遇险与安全系统（Global Maritime Distress and Safety System），而GMDSS系统证书是为了确保在海上航行的船只能够有效地进行通信和信息处理，以应对各种紧急情况。 GMDSS（全球海上遇险与安全系统）证书是海员必备的证书之一，它证明持有者在紧急情况 ...

within four areas of the world's oceans - far more effective than the current combination of radiotelephony and Morse code.The GMDSS concept revolv< around the premise that search ar rescue ...

Dec. 11, 2024 /PRNewswire/ -- Iridium Communications Inc. (Nasdaq: IRDM) today announced the service launch of Iridium Certus® GMDSS, a generational advancement in maritime satellite ...