GMDSS Information by Densham and Associates

The Global Maritime Distress and Safety System (GMDSS)
has revolutionised marine radio communications.

The GMDSS is specifically designed to automate a ship's radio distress alerting function, and, as a consequence, removes the requirement for manual (ie: human) watchkeeping on distress channels.

We will show you the basic concept of GMDSS, its background and history, equipment requirements - and how it affects not only large commercial vessels, but also recreational craft.

Not only will we also discuss flaws in the current system - and offer some possible solutions - but we will also show you why it was time for a change.

Let's take a tour of the GMDSS, starting with a brief background history...

Latest news

New man overboard beacon using VHF DSC
Click here for more information.

The GMDSS - where to now? -
Click here for more information.

Cost effective Coast Station DSC systems -
Click here for more information.

World Radio Conference amends marine radio procedures and regulations for the GMDSS-
Click here for more information.

Inmarsat C services via the Australian Land Earth Station to close March 1 -
Click here for more information.

New DSC identification numbers for SAR aircraft -
Click here for more information.

US Coast Guard now monitors GMDSS Radiotelephone distress and safety channels
Click Here for more information.

Broadband Over Power Lines (BPL) threatens marine distress and safety comms! -
Click here for more information.

New draft Simplified Digital Selective Calling specification -
Click here for more information.

Australian Maritime Safety Information by email - automatically.
Click here.

Copyright © 1999 - 2008 Densham and Associates Pty Ltd. All rights reserved. Revised Dec 23, 2007. IMO and ITU documents remain the property of the International Maritime Organisation and International Telecommunications Union. Equipment depicted in these pages is for illustrative purposes only. The inclusion thereof is not intended as an endorsement or advertisement. All information contained herein was accurate at the time of publication and is subject to change without prior notice.

CONTACT US