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3.
INTRODUCTION
3.1 What Is NAVTEX?
NAVTEX is a worldwide system for the broadcast and automatic reception of maritime
safety information (MSI) in English by means of a narrow-band direct-printing
telegraphy. NAVTEX provides shipping with navigational and meteorological warnings
and urgent information.
NAVTEX is an element of the IMO/IHO worldwide Navigational Warning Service
(WWNWS) as defined by IMO Assembly Resolution A.706 (17). It is included within
the Global Maritime Distress and Safety System (GMDSS). Since 1 August 1993, a
NAVTEX receiving capability has become mandatory equipment for certain vessels
under the provisions of the International Convention for the Safety of Life at Sea
(SOLAS).
NAVTEX broadcast information is available to all seafarers, free of charge.
3.2 How Does NAVTEX Work?
NAVTEX transmissions are sent from stations situated worldwide. The power of each
transmission is regulated to avoid the possibility of interference between transmitters.
Each station is allocated a 10-minute time slot every 4 hours so that many stations
can share the same frequency. Stations typically have a transmission range of 250 –
300 Nm.
4.
NAV6 FEATURES
4.1 The NAV6 range
NAV6plus
full feature NAVTEX with NMEA repeater instrument displays includes dual
channel NAVTEX sensor with 10m sensor cable.
NAV6Aplus
full feature dual channel NAVTEX with NMEA repeater instrument
displays, supports a wide variety of antenna types such as an insulated backstay wire
or active and passive whip antenna systems.
NAV6dual
dual channel NAVTEX only, includes dual channel NAVTEX sensor with
10m sensor cable.
NAV6repeater
stand alone NMEA repeater instrument display, can be connected to
NAV6plus/Aplus NAVTEX system using a NAV6hub
All manuals and user guides at all-guides.com
