Cell towers kind of do by providing an accurate time and other features in AGPS. | Hacker News

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_3u10 on Oct 19, 2011 | parent | context | favorite | on: IPhone 4S has GLONASS in addition to GPS

Cell towers kind of do by providing an accurate time and other features in AGPS.

modeless on Oct 19, 2011 [–]

Not really. AGPS improves the time it takes to lock on to the GPS signal, but it doesn't improve accuracy.

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