MinimumPsychology916 t1_j5sj60m wrote on January 25, 2023 at 6:39 AM

This is by design so that foreign militaries can't use the USA's GPS satellites to guide weapons, and the air force knows the programmed lag time of each satellite and military GPS units compensates for that

apeowl OP t1_j5u8ybz wrote on January 25, 2023 at 4:41 PM

No, with GPS you can reach a maximum precision of about 20-30 cm (this signal is encrypted and almost only used by the US government), while Galileo's encrypted signal provides about 1 cm. Note that these are the values that are possible to get almost instantly, and by only using a single signal band (with long-term measurements, and by using several signals, you can get a sub-millimeter precision with both GPS and Galileo)