Mauritius GMDSS radio upgrade

Receiver rack (Above)
From the top: patch rack, receiver multicouplers, DSC receivers (with local control heads) and radiotelephone receivers (with remote control heads).

The radiotelephone receivers, the transmitter controllers
and the DSC system were installed in the operator console.

Operator console (Top right)
From left to right: Duplicated DSC system, transmitter controllers, radiotelephone receivers.

Barrett Communication's marine radio systems integrator, Dunstan and Associates Pty Ltd (, recently completed a Global Maritime Distress and Safety System (GMDSS) upgrade to the Government marine radio station in Mauritius.

The upgrade provided 2 new 1000 watt transmitters, 11 new receivers and a duplicated Digital Selective Calling (DSC) system. The radio systems were supplied by Barrett Communications and the DSC system by TransOceana The majority of the equipment and a new operator console were installed in the main operations centre at Port Louis.

One of the transmitters was installed at a remote site on the other side of the Island. Dunstan and Associates Director, Glenn Dunstan, said, "This is the third GMDSS station installation we have completed using Barrett equipment - their equipment is very reliable and technical support is first class". The receivers were installed in a rack at the control centre.

7 receivers are dedicated to DSC (6 operational and a hot spare) and 4 receivers are for radiotelephone. Mauritius Radio's MMSI (DSC identity number) is 006452700 the station will automatically respond to DSC test calls on any of the distress and safety channels from 2-16 MHz.