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US Navy grabs old-fashioned sextants amid hacker attack fears

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The fact is you can't rely on modern electronic navigation aids.....

A story told to me by a former captain on Jimmy Sherwood's UK Seacat fleet.......apparently if you went over 20 knots the radar suddenly halved the reported distance of reflected objects. Obviously a programming glitch, but one that couldn't be resolved (or at least not during his career on the catamarans). My understanding is that the problem is still there now.

What other software glitches are there out there, maybe unrecognised?

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