Pub. Date:
McGraw-Hill Professional Publishing
The Boatowner's Guide to GMDSS and Marine Radio / Edition 1

The Boatowner's Guide to GMDSS and Marine Radio / Edition 1

by The United States Power Squadrons


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Product Details

ISBN-13: 9780071463188
Publisher: McGraw-Hill Professional Publishing
Publication date: 09/30/2005
Edition description: Spiral
Pages: 128
Product dimensions: 6.10(w) x 9.00(h) x 0.50(d)

About the Author

U.S. Power Squadrons is the largest private boating educator in the United States and the “go to” organization for recreational boating knowledge and training. USPS offers programs in seamanship and navigation on inland, coastal, and offshore waters, plus a host of special topics ranging from marine engines and electronics to paddlesports and sailing. Members enjoy the camaraderie of fellow boaters and an opportunity to help their local boating communities. For a squadron near you, go to

Table of Contents



Chapter 1: What is GMDSS?

Communications at Sea: A Brief History

Evolution of GMDSS

What Makes GMDSS a Superior System?

Sea Areas

Choosing the Correct Band

When Will GMDSS be Activated?

Chapter 2: VHF-DSC Outfitting

Features of VHF-DSC

Choosing a VHF-DSC Radio

Registering Your Radio

The Ship Station License

Installing a VHF-DSC Radio

Testing DSC Capabilities

Chapter 3: VHF-DSC Use – Routine Communications

Maritime Radiotelephone Frequencies

Watch Requirements

Calling Frequencies

Selecting the Working Channel

Procedures for Calling—Voice

Procedures for Calling—DSC

Procedures for Fleet Calling—DSC

Chapter 4: VHF-DSC Use—Emergency Procedures

A Digital Distress Broadcast is the Most Efficient Way to Call for Assistance

The Undesignated Distress Alert

The Designated Distress Alert

Acknowledging a Distress Alert

Relaying a Distress Call

Canceling a Valid Distress Alert

Canceling a False Distress Alert

Maintaining Radio Silence

Direction Finding


Closure of a Distress Situation

Urgency and Safety Alerts

Chapter 5: Port Operations – Voice, Digital and AIS Systems

Coping with Crowded Harbor Traffic

Channel 13

Channels 06 and 22A

The Automatic Identification System

Chapter 6: MF/HF Services for Sea Areas A2 and A3

Boating Further Offshore

Calling and Distress Frequencies

Distress and Calling Procedures

Chapter 7: Inmarsat, NAVTEX, SafetyNET and Amver for Sea

Area A3

Inmarsat Network




Chapter 8: EPIRBs, SARTs and Other Useful Tools

The Emergency Position-indicating Radio Beacon (EPIRB)

Personal Locator and Man Overboard Beacons

Search and Rescue Transponders

Appendix 1. VHF Radiotelephone Frequencies – United States

Appendix 2. VHF Radiotelephone Frequencies—Canada
Appendix 3. VHF Radiotelephone Frequencies—International

Appendix 4. MF Single-sideband Marine Radiotelephone Frequencies

Appendix 5. HF Single-sideband Marine Radiotelephone Channels

Appendix 6. Emergency Radio Procedures

Appendix 7. Mayday Template




About the US Power Squadrons

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