History of Marine radio

Marine radio was first installed on ships around the turn of the 20th century. In those early days, radio was used primarily for transmission and reception of passenger telegrams. Radio watch-keeping hours were not standardized, and there was no regulatory requirement for carriage of radio by ships. Indeed, there was Read more…

Search and Rescue (SAR)

Search and rescue (SAR) is the search for and provision of aid to people who are in distress or imminent danger. The general field of search and rescue includes many specialty sub-fields, typically determined by the type of terrain the search is conducted over. These include mountain rescue; ground search and rescue, including Read more…

GMDSS Part 2

THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) Functional Requirements The GMDSS provides that every ship, while at sea, shall be able to perform the following nine basic communication functions: transmitting ship-to-shore distress alerts (by at least two separate and independent methods); receiving shore-to-ship distress alerts; transmitting and receiving ship-to-ship distress Read more…

GMDSS Part 1

THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) Introduction The Global Maritime Distress and Safety System is the technical, operational and administrative structure for maritime distress and safety communications worldwide. It was established in 1988 by the International Maritime Organization (IMO) which adopted a revised text of Chapter IV of the International Convention Read more…

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