Carr: Loran C Lines in the Fog

Wayne was steering and I was navigating, but I knew we were not navigating in the way Bowditch defines the art and science of this endeavor. We were making 8 knots to stem an outgoing tide, any slower and we would have a difficult time offsetting set and drift. We had no visibility, pea soup fog had set in at sunset and we had been enduring condensation and cold for hours … [Read more...]

Cyber Threats Prompt Return of Radio for Ship Navigation

By Jonathan Saul LONDON, Aug 7 (Reuters) - The risk of cyber attacks targeting ships' satellite navigation is pushing nations to delve back through history and develop back-up systems with roots in World War Two radio technology. Ships use GPS (Global Positioning System) and other similar devices that rely on sending and receiving satellite signals, which many experts … [Read more...]

In Double ECDIS Failure what good is a Sextant?

  By Jaquelyn Burton (Coeval, Inc.) ECDIS is becoming ubiquitous - and that is a good thing. However, as we move towards more and more vessels relying wholly on ECDIS and heavily on its integration with GPS, some new problems are of growing concern. At a time of an ever-increasing amount of automation, the U.S. Navy is going back to teaching celestial navigation after an … [Read more...]

South Korea Revives GPS Backup Project After Blaming North for Jamming

By Jack Kim and Jonathan Saul SEOUL/LONDON, May 2 (Reuters) - South Korea has revived a project to build a backup ship navigation system that would be difficult to hack after a recent wave of GPS signal jamming attacks it blamed on North Korea disrupted fishing vessel operations, officials say. Global Positioning System (GPS) and other electronic navigation aids are … [Read more...]

Europe Calls Time on Ship Navigation Scheme Despite Risks at Sea

By Jonathan Saul LONDON, Feb 9 (Reuters) - A British-led initiative to create a back-up to satellite navigation systems for ships has been pulled after failing to garner interest from other European countries, despite its proponents pointing to the growing risk of disasters at sea. Vessels increasingly rely on devices that employ satellite signals to find a location or … [Read more...]