2. NAVTEX RECEIVER "NR-50
”
Saracom Co., Ltd. 1 Q/A
1. NAVTEX System
1.1 Product introduction
NAVTEX is designed to provide international automated direct-printing service such as
promulgation of SAR (Search and Rescue) information, Navigational warnings, Meteorological
warnings and urgent information to ships. It has been developed to provide a low-cost, simple
and automated means of receiving maritime safety information for on board ships at sea and in
coastal waters. The information transmitted by NAVTEX coast station, is delivered to each ship
directly. On the bridge, the NAVTEX receiver accepts, selects information required for the ship
and displays in LCD automatically in English or Korean mode as following [Figure 1-1]
international English broadcasting and [Figure 1-2] Korean broadcasting. NAVTEX means the
system for broadcast and automatic reception of maritime safety information by means of
narrow-band direct-printing telegraphy and it is a component of IMO(International Maritime
Organization)/IHO(International Hydrographic Organization) WWNWS World Wide Navigational
Warning Service) defined by IMO Assembly resolution A.706(17). In the GMDSS(Global Maritime
Distress and Safety System), since the 1st August 1993, NAVTEX receiving capability has
become part of the mandatory equipment which is required to be carried in certain vessels under
the provisions of the International Convention for the Safety of Life at Sea(SOLAS), 1974, as
amended in 1988.
This system provides International and National service as follows.
1.
International NAVTEX service means the coordinated broadcast and automatic reception
on frequency 518kHz of maritime safety information (MSI) by means of narrow-band
direct-printing telegraphy using the English language.
2.
National NAVTEX service means the broadcast and automatic reception of maritime safety
information by means of narrow-band direct-printing telegraphy using 490kHz or 4209.5kHz
frequencies other than 518kHz as decided languages by the Administrations concerned.
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