VIDEO: Synchronised and sequenced aids to navigation

Aids to navigation have developed unrecognisably from the very first lighthouses and marks made in shallow waters of centuries ago. Now, navigators can take advantage of the latest advances in LEDs, satellites and intelligent technology. Read more...

This video is a good example of how good timing signals from GPS can be used to synchronise and sequence flashing lights in a buoyed channel. This greatly improves visual conspicuity, particularly in areas of strong background light.

Courtesy of GLA UK.

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