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Ghost ships, crop circles, and soft gold: A GPS mystery in Shanghai
On Fri, 15 Nov 2019 18:58:30 -0800 (PST), Its Me
wrote: What it sounded like in the article is that the AIS systems in the ships were being spoofed to report false locations. If the entire GPS system was being spoofed ALL the locations would be jumping around. === The AIS transponders get their positions from GPS. It's not necessary to jam the entire GPS system, just over ride the locally received positions with a stronger signal. That is fairly easy to do since GPS receiver antennas are omni directional. |
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