GMDSS - GLOSSARY OF TERMS


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I

IAMSAR

International Aeronautical and Maritime Search and Rescue. The IAMSAR Manual is a joint publication of the IMO and ICAO.

ICAO

International Civil Aviation Organisation.

IMDG

International Maritime Dangerous Goods Code.

IMN

Inmarsat Mobile Number. The Inmarsat terminal identification number (ie: telephone number).

IMO

International Maritime Organisation.

IMSO

International Mobile Satellite Organisation.

Inmarsat

Inmarsat Ltd (formerly International Maritime Satellite Organisation)

INTERCO

International Code of Signals

IRCS

Integrated Radiocommunication System when used in the GMDSS (see IMO Res. A.811 (19)).

ISDN

Integrated Services Digital Network. A digital access network for data and voice, which provides an alternative to the public switched telephone network.

ISM

International Safety Management. Refers to the IMO’s International Safety Management (ISM) Code 2002, which provides an international standard for the safe management and operation of ships, and for pollution prevention.

ISN

Inmarsat Serial Number. A unique number for every Inmarsat terminal’s hardware.

ITU

International Telecommunication Union. The lead United Nations agency for information and communication technologies.

ITU—R

The ITU Radiocommunication Sector (ITU—R) is that part of the ITU which performs a major role in the global management of the radio—frequency spectrum and satellite orbits, for services such as fixed, mobile, broadcasting, amateur, space research, emergency telecommunications, meteorology, global positioning systems, environmental monitoring and communication services, that ensure safety of life on land, at sea and in the air. Formerly known as the CCIR.


ITU—T

The ITU Telecommunication Standardization Sector is that part of the ITU which defines elements in information and communication technology (ICT) infrastructure. Formerly known as the CCITT.



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