Does the new Ipad 3 have GPS built in to the WIFI and 4G version?
Does the new Ipad 3 have GPS built in to the WIFI and 4G version?
3. Why is my iPhone logging my location?
The iPhone is not logging your location. Rather, it’s maintaining a database of Wi-Fi hotspots and cell towers around your current location, some of which may be located more than one hundred miles away from your iPhone, to help your iPhone rapidly and accurately calculate its location when requested. Calculating a phone’s location using just GPS satellite data can take up to several minutes. iPhone can reduce this time to just a few seconds by using Wi-Fi hotspot and cell tower data to quickly find GPS satellites, and even triangulate its location using just Wi-Fi hotspot and cell tower data when GPS is not available (such as indoors or in basements). These calculations are performed live on the iPhone using a crowd-sourced database of Wi-Fi hotspot and cell tower data that is generated by tens of millions of iPhones sending the geo-tagged locations of nearby Wi-Fi hotspots and cell towers in an anonymous and encrypted form to Apple.
iOS (last I checked) uses Skyhook to get your location with WiFi signals.
Living in a densely populated urban area, I've seen it as accurate as approximately 5 - 10 metres.
Having traveled to more rural areas, I've seen it as "accurate" as kilometres.
Indeed you're correct - they dropped Skyhook about a year and a half ago. Apparently they use their own tech now for WiFi positioning (I say apparently on purpose since that thread lacks any detail or evidence).I don't know if they're still using Skyhook, so I'll assume they are and stand corrected. I thought I read somewhere that they'd dropped them, but can't find any reference to it now.