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This is what keeps my awake at night sometimes... that one of US drones flying over Afghanistan will be eventually fooled into thinking the target it has to dro
by joering2 9y ago
This is what keeps my awake at night sometimes... that one of US drones flying over Afghanistan will be eventually fooled into thinking the target it has to drop a bomb on is actually somewhere else over the Europe.
- beambot 9y agoDepending on who you believe, that GPS spoofing has already been used for military purposes: https://en.m.wikipedia.org/wiki/Iran–U.S._RQ-170_incident https://en.m.wikipedia.org/wiki/Iran–U.S._RQ-170_incident
- londons_explore 9y agoOne can GPS spoof with $100 worth of hardware and a few days putting together opensource software defined radio modules. Just hook a GPS signal emulator to a software defined transmitter. A total system bandwidth of 1 Mhz is nowhere near computational limits today. Total transmission power of a couple of watts is trivial.
- jof 9y agoThe GPS P(Y) and Military codes exist to (hopefully) prevent spoofing.
- anovikov 9y agoThey aren't. A spoofer doesn't need to know what the signal means/be able to decrypt it. Just retransmit signal received from a different place at higher power. Only way to distinguish it from a real one is timing, but that requires an atomic clock, which is $15,000 and too expensive for most applications. But, military grade GPS receivers use virtual beam forming to achieve a very high attenuation of spoofing signal so they are extremely hard to spoof, they always get the real signal as stronger.
- lisper 9y agoYeah, I'm not terribly worried about military drones. But as a civilian pilot I worry a lot about whether the non-military-grade GPS in my airplane is telling me the truth.
- jschwartzi 9y agoHopefully GPS isn't your sole source of information. When I'm out scrambling I make sure that I carry multiple navigational aids so that I can cross-check. I also pay attention to terrain features before trips as well as during so that I can locate myself, or in the worst case make my way to the handrails that I've identified on my map.
- lisper 9y ago> Hopefully GPS isn't your sole source of information. Nowadays, in modern airplanes, it often is your only source of positional information when you're in instrument conditions (which is, of course, when it matters most). > I carry multiple navigational aids Yeah? Like what?
- jschwartzi 9y agoCompass, Altimeter, topographic maps, notes about the route that I've made. Even a watch can aid navigation if you can calculate your speed and see any terrain features. If anything doesn't jive with what I expect or what I'm seeing I try to understand why.
- tritium 9y agoSo, what your saying is that you're okay with it dropping bombs at all, as long as it's over there, but not on Europe, because Europe is special. (if not for this imagined hazard, would everything suddenly be okay?) Meanwhile, political undertones aside, I think your idea is a little contrived, considering the realities of fuel capacity and range, nevermind time to travel, lack of stealth capabilities, and the fact that drones are piloted and engage weaponry mostly by a video feed (and using visual flight rules [0]) which would provide major clues that the GPS information has become unreliable. tl;dr Drones aren't artificially intelligent solar-powered killbots, flying unsupervised missions. (yet) [0] https://en.wikipedia.org/wiki/Visual_flight_rules https://en.wikipedia.org/wiki/Visual_flight_rules
- ggghvggtff 9y agoWait, so you’re saying you care about Fuckbekistan? Yeah right. Quit it with the virtue-signalling, dude. Christ.
- patrickg_zill 9y agoThey may well have other systems like inertial systems combined with GPS. See for instance https://en.wikipedia.org/wiki/GPS/INS https://en.wikipedia.org/wiki/GPS/INS