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Apple Expands iPhone 4S GPS Capabilities with GLONASS Support
Just two weeks ago, Russia launched the last of 24 satellites required for global location coverage, setting the stage to restore GLONASS to its full operational status that had been lost amid economic turmoil in the country during the late 1990s.
Far from being a Russia-only service, some current global positioning hardware and software is capable of utilizing both GPS and GLONASS satellite information to provide more accurate geolocation information with faster acquisition times. We have reached out to Apple for comment on whether the iPhone 4S can in fact take advantage of satellites from both systems on a worldwide basis, as it is unclear from the tech specs whether this is the case, but have yet to receive a response.
Notably, only the tech specs page on the U.S. site has been updated to mention GLONASS capabilities, with the corresponding page in other iPhone 4S launch countries still listing only Assisted GPS as the device's satellite location service.
(Thanks, Jesse Perry!)