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World's first GPS-free quantum navigation trial succeeds at sea
(interestingengineering.com)
This is a most excellent place for technology news and articles.
Didn't they turn all that jitter off like 15 years ago?
Edit: I ran a little experiment and zig-zagged up a bit of hill on the bike this morning and the GPS/Galileo/Glonass unit resolved it easily. However, it didn't quite agree where the road was.
The road, was pretty narrow.