bellendhunter t1_j5sng78 wrote
Reply to comment by Shillforbigusername in TIL that the European Union developed a satellite navigation system called Galileo, which can provide an accuracy of up to 20 cm (0.7ft) on smartphones, while GPS only reaches around 3 meters (10ft) by apeowl
There is indeed a more precise GPS signal for military use. It requires crypto keys to use it. Can’t remember the specifics but I think GPS has a completely separate signal for it.
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