this post was submitted on 29 Aug 2026
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[–] Gsus4@mander.xyz 160 points 1 week ago (4 children)

this article is better written:

https://science.report/discover/quantum-gravimeter-demonstrates-gps-free-navigation-in-coral-sea-trial-86654/

it maintained bounded position accuracy within 1 nautical mile over an 83-kilometer trajectory. This performance, achieved without access to satellite navigation, represents a more than tenfold improvement over standard navigation-grade inertial backup systems under similar conditions.

[–] Deebster 62 points 1 week ago

It also doesn't pretend the page failed to load when it detects an ad blocker.

[–] Dimand@aussie.zone 33 points 1 week ago

Here is the real article without the compounding editorial errors.

https://doi.org/10.48550/arXiv.2608.25563

[–] SatanClaws@lemmy.world 14 points 1 week ago (1 children)

Inertial navigation (INSS) and GNSS (Sat nav)is two completely different concepts. Too bad the article misses this. Perhaps AI hallucinations?

[–] Aqarius@lemmy.world 2 points 1 week ago

No, it's saying it works better than INSS, without resorting to GNSS.

[–] stylusmobilus@aussie.zone 8 points 1 week ago (1 children)

That’s better, thank you

As a holder of a spatial degree I found it difficult to directly compare it favourably to GNSS. Even a simple binary code calculating a position with GNSS gives sub 10-20 metre accuracy, generally closer to 2 or 3.

[–] Kushan@lemmy.world 14 points 1 week ago (2 children)

I don't think it's meant to be better than GNSS in terms of accuracy, just better in terms of reliability because it works entirely standalone without a need for satellite

[–] UnityDevice@lemmy.zip 3 points 1 week ago* (last edited 1 week ago)

There have been lots of cases of GPS jamming lately, where this could be used as a backup. And even more crucial for certain situations, it could detect GPS spoofing attacks.

[–] stylusmobilus@aussie.zone 0 points 1 week ago

Yeah nah I understood that, the quote made in the initial comment implies somewhat that it does.