“According to the official tech specs page for the iPhone 4S, Apple has added support for GLONASS in addition to GPS on its latest gadget, thus giving it the ‘more definitive GPS features’ that we mentioned before the phone was announced,” Aayush Arya reports for TNW.
“GPS has a little more accuracy than GLONASS in most parts of the globe but the latter provides better mapping of the northern areas of our planet,” Arya reports. “When the two are combined, the accuracy shoots up by a significant amount and location determination becomes much faster due to the 55 satellites involved (with GPS bringing in 31 and GLONASS 24).”
Read more in the full article here.