What is Navtex system?

12.07.2017

What is Navtex system?

Navtex system

The Navtex system is defined, by the IMO standard, as a system for the automatic broadcast and reception of information on maritime security by means of direct
telegraphy printing of the narrow band.
The Navtex Transmission System is based in a Server/Client architecture that allows the maximum reliability, flexibility and scalability by using independent units.
It has an efficient intercommunication between the units for a limited consumption of broad band in order to guarantee the operation of the Navtex transmission
system regardless the communication availability between the units and centre.
The four important characteristics that distinguish the system are:
A single manager can operate up to 8 coastal stations, with the possibility of working in the 490KHz, 518KHz and 4209.5KHz with automatic control of all its parameters.
The system has in each coastal station a transmissions local controller (Navtex remote control) with all the information stored that comes previously from the Navtex
operation manager in order to establish automatic and independent transmissions of the operation manager and its communication. This avoids the communication breakdown
problems between the control centre and the coastal station.
The system can be configured with independent transmitters for each of the operation frequencies or with a single Invelco transmitter that allows operating in the three frequencies.
Possibility of redundant communication between the operation manager and each coastal station. Up to 3 different IP channels of communication.

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