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mzi
24 days ago
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Cheap GPS jammers are filling the world with navig...
A bunch of us old salty sailing nerds were actually discussing Decca Navigator System¹ the other day that was still very present in the 90s on the ships we were sailing. Now all replaced and removed.
https://en.wikipedia.org/wiki/Decca_Navigator_System
myself248
24 days ago
[–]
Oh, wow! That seems to fill a gap below LORAN's range, and far exceeding its accuracy. I never heard of it before!
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https://en.wikipedia.org/wiki/Decca_Navigator_System