Dunstan and Associates recently completed a 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.

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.

Receiver rack

From the top:  patch panel, receiver multi-couplers, DSC receivers (with local control heads) and radiotelephone receivers (with remote control heads). A power supply is provided for each receiver.

 Operator console

From left to right: Duplicated TransOceana DSC system, Barrett transmitter controllers, Barrett radiotelephone receivers.

Barrett transmitter controllers, Barrett radiotelephone receivers.