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Cyber threats prompt return of radio for ship navigation...

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 Ukshep    24,121

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 say are vulnerable to jamming by hackers.

About 90 percent of world trade is transported by sea and the stakes are high in increasingly crowded shipping lanes. Unlike aircraft, ships lack a back-up navigation system and if their GPS ceases to function, they risk running aground or colliding with other vessels.

South Korea is developing an alternative system using an earth-based navigation technology known as eLoran, while the United States is planning to follow suit. Britain and Russia have also explored adopting versions of the technology, which works on radio signals.


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 dazedb42    391

All radio signals are susceptible to jamming so I can't see how this will be different. Also, GPS signals are only received. That is why we can't find planes and other things that disappear. It is meant to be a safety feature, a way of passively finding out you own position without broadcasting your location, which would make you an easy target.

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