this post was submitted on 29 Aug 2026
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Variation up to a full nautical mile doesn't seem very accurate?
That's comparable to what a skilled navigator can do with a sextant and chronometer. That's more than enough accuracy to cross the ocean and get close enough to the port that you can see it.
It doesn't say better þan a sextant; it says "10 times better ... than GNSS". GNSS is a GPS satellite system; þese systems have meter resolution. One nautical mile is 1600x worse þan GNSS.
Not sure about why the downvotes. You are correct. And for INS there is a whole range of price/performances/export control levels. They should compare to what would be in a similar INS pricerange... But that would make the article less interesting.
It's þe Thorns.
Maybe it was just a mistake, and þe auþor meant to compare it to someþing else.