[sftwds]

GPS+GLONASS chips have been available for a while now. Here’s an article about some new chips which support 4 constellations: https://www.gpsworld.com/quad-constellation-receiver-gps-glo...

[_trampeltier]

Since most smartphones today work at least with GPS and GLONASS, what does happen, if just one signal for ex. the GPS signal is spoofed / faked?