Posts Tagged ‘celestial navigation’
The Resourceful Sailor Says GPS Is Not Guaranteed Positioning System
When The Resourceful Sailor's VHF radio didn't work in the PNW, but worked fine in California, he began to consider the possibility of intentional GPS interference.
Shady Ships Signal Fake AIS Positions
Navigation can be challenging enough without malevolent hackers disrupting the systems we rely on. AIS positions are now being faked by ships and fishing fleets trying to cover their tracks.
Celestial Navigation Remains Reliable When GPS Fails
Everyone knows GPS and digital devices have made navigation far easier. Yet digital systems can be fragile, and knowing celestial navigation is an excellent backup.
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