posted in Technology
World's first GPS-free quantum navigation trial succeeds at sea
interestingengineering.com/innovation/gravnav-10-times-more-accurate-quantum-sensors
Replying to @Gsus4@mander.xyz
The team achieved 10 times better performance than GNSS systems, with a one nautical mile of positioning accuracy.
Variation up to a full nautical mile doesn’t seem very accurate?
Replying to @Zedstrian@sopuli.xyz
this article is better written:
science.report/…/quantum-gravimeter-demonstrates-…
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.
Replying to @Gsus4@mander.xyz
It also doesn’t pretend the page failed to load when it detects an ad blocker.
Replying to @Gsus4@mander.xyz
Here is the real article without the compounding editorial errors.
Replying to @Gsus4@mander.xyz
Inertial navigation (INSS) and GNSS (Sat nav)is two completely different concepts. Too bad the article misses this. Perhaps AI hallucinations?
Replying to @SatanClaws@lemmy.world
No, it’s saying it works better than INSS, without resorting to GNSS.
Replying to @Gsus4@mander.xyz
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.
Replying to @stylusmobilus@aussie.zone
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
Replying to @Kushan@lemmy.world
Yeah nah I understood that, the quote made in the initial comment implies somewhat that it does.
Replying to @Kushan@lemmy.world
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.