4 ms·
Copenhagen Suborbitals has a blog-post about those limits: By default all GPS units have some built-in limits (so-called COCOM limits) that prevents them f
by msiebuhr 9y ago
Copenhagen Suborbitals has a blog-post about those limits:
By default all GPS units have some built-in limits (so-called COCOM
limits) that prevents them from providing any data if the velocity
exceeds 515 m/s at altitudes above 18 km. These artificial limits are
built into GPS receivers to prevent bad guys from using them in
missiles and other nasty stuff.
... and proceed to figure out a way around ...
https://copenhagensuborbitals.com/gps-without-limits/ https://copenhagensuborbitals.com/gps-without-limits/
- ricardobeat 9y agoPlease don't use code blocks for quoting, makes it incredibly hard to read on mobile.
- megous 9y ago> to prevent bad guys from using them in missiles and other nasty stuff I was confused. So here's a translation: Bad guys = US enemies or non-allies. Not bad guys in any moral sense.
- TeMPOraL 9y agoMore like parties that are not technologically advanced nation states. Russia has its own satellites, China will find 10 ways around the problem, but a few random dudes won't be able to DIY a cruise missile with cheap parts that would be precise enough to be dangerous. Or at least that's how I always understood it.
- nradov 9y agoActually civilian GPS would work fine in low-cost cruise missiles because they fly relatively low and slow. The restrictions are to protect against ballistic missiles.