New Ship-based System Takes Out GPS Jamming Threat

PC Advisor
Monday, March 11, 2013

With GPS jamming a growing worry for UK shipping, a new device seamlessly switches systems to counter the navigational menace.

In development since 2005, the ACCSEAS project used a system on the vessel THV Galatea in the seas off Harwich to show that the PNT (Positioning, Navigation and Timing) technology was resilient enough to withstand the worst case scenario of a ship suddenly losing all GPS signals, reports PC Advisor.

In theory it would be possible to simply turn off a GPS system and switch on the powerful, longwave eLoran (eLOng RAnge Navigation), but in the middle of a busy shipping lane sea captains don't necessarily realise what is happening to them quickly enough.

That delay can be dangerous not to mention troublesome for a shipping industry increasingly conscious of safety and the UN's International Maritime Organization (IMO) e-Navigation initiative. The new system switches automatically.

Until recently, problems with GPS were caused by natural phenomena such as solar interference or weather but recently GPS jamming from cheap devices sold from the Internet has become a major issue.

Source: PC Advisor (John E. Dunn – Techworld)


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