4 ms·
The newest phones actually even do dual-frequency GPS using a newer signal (L5). It's accurate enough to do lane-keeping. Existing systems also supplement GPS
by joecool1029 6y ago
The newest phones actually even do dual-frequency GPS using a newer signal (L5). It's accurate enough to do lane-keeping.
Existing systems also supplement GPS network data with russia's GLONASS, as well as sometimes WAAS if the satellite gets picked up (WAAS is GEO system to provide for additional accuracy, since it's further and requires a path facing south, it's not often picked up on phones)