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How does my Wi-Fi iPad so accurately know where I am?
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Mac Elite
Join Date: Sep 2006
Location: Back in the Good Ole US of A
Status:
Offline
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Yes I've googled... but I'm at a loss how my Wi-Fi iPad is as accurate as my iPhone 4 in determining my location. I live in the middle of nowhere in a freakin' 3rd world country. There are no public access points around me. My own Airport Extreme is the only Wi-Fi in range of my condo yet when I go into google maps on the iPad, it shows my location exactly where it shows in google maps on my iPhone 4 (about 25 feet north of my actual location). It's almost as though Apple is allowing my iPhone to somehow broadcast the location to other devices... now that would be creepy.
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Posting Junkie
Join Date: Jun 2002
Location: Calgary
Status:
Offline
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It'll be using the ip address of your access point to geolocate you. That can often be quite accurate.
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Mac Elite
Join Date: Sep 2006
Location: Back in the Good Ole US of A
Status:
Offline
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I've got WiMAX so what would be my access point. The transmission source of my service is miles from my condo.
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
Offline
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Quite possibly, it's mapped your own wireless network.
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Addicted to MacNN
Join Date: May 2001
Status:
Offline
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It uses triangulation and known wifi access point near you.
The more known access points near you and the closer between each of the known access points, the more accurate it is able to triangulate your location.
It big cities, it's pretty accurate to within 100ft.
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Bush Tax Cuts == Job Killer
June 2001: 132,047,000 employed
June 2003: 129,839,000 employed
2.21 million jobs were LOST after 2 years of Bush Tax Cuts.
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
Offline
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If there's only one access point near you, it will be accurate to within range of that network (assuming your neighborhood has been mapped, which it appears to have been).
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Addicted to MacNN
Join Date: May 2001
Status:
Offline
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Bush Tax Cuts == Job Killer
June 2001: 132,047,000 employed
June 2003: 129,839,000 employed
2.21 million jobs were LOST after 2 years of Bush Tax Cuts.
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Addicted to MacNN
Join Date: Jun 1999
Location: Las Vegas, NV, USA
Status:
Offline
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I can't believe you're all missing it! The Wi-fi iPad has GPS built-in. Yeah, it does triangulation when it needs to. So do the iPhones. But primarily it's using GPS.
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Posting Junkie
Join Date: Jun 2002
Location: Calgary
Status:
Offline
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Moderator
Join Date: Jan 2001
Location: Polwaristan
Status:
Offline
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It uses an Apple database of WAP locations (if you are using the latest iOS for your iDevice). WAPs don't have to be public/open -- they can be located regardless.
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Mac Elite
Join Date: Sep 2006
Location: Back in the Good Ole US of A
Status:
Offline
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Well this has certainly piqued my curiosity because if you saw where I live you'd be surprised to think there are existing mapped WAPs within range of my iPad.
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Addicted to MacNN
Join Date: Jun 1999
Location: Las Vegas, NV, USA
Status:
Offline
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Can you all see my tail between my legs? I completely misread the post and was sure we were talking about the 3G model...tired, early morning...I'm sorry.
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Moderator
Join Date: Jan 2001
Location: Polwaristan
Status:
Offline
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If you've used your iPhone 4 to get your location, it's likely that Apple stored nearby WAP MAC addresses against iPhone-provided GPS coordinates. IIRC it was part of their updated policy and features with iOS 3.2 and later when they moved away from skyhook into their own in-house database.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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Mac Elite
Join Date: Sep 2006
Location: Back in the Good Ole US of A
Status:
Offline
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Originally Posted by Cold Warrior
If you've used your iPhone 4 to get your location, it's likely that Apple stored nearby WAP MAC addresses against iPhone-provided GPS coordinates. IIRC it was part of their updated policy and features with iOS 3.2 and later when they moved away from skyhook into their own in-house database.
So that explains everything. Thanks
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Fresh-Faced Recruit
Join Date: Sep 2009
Status:
Offline
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i'm a tad confused. Are you saying that it knows where you are when you are at home. Or anywhere you are. Because at home you are in range of your wifi network so that isn't a total shock, plus since you have an iphone it could be using that at a triangulation point.
If you are talking about anywhere you are, even out in the middle of nowhere, you might want to wrap that baby in some tinfoil. cause someone is tracking you.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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He's talking about at home, mainly.
-t
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Mac Elite
Join Date: Sep 2006
Location: Back in the Good Ole US of A
Status:
Offline
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Yes... I was speaking of home. And now I know that my iPhone transmitted my routers MAC address and location up to big brother... which explains how my iPad was able to provide such accurate information.
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Banned
Join Date: Jun 2005
Location: Indy.
Status:
Offline
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It gets our location with in about 5 feet at home. Amazingly accurate.
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Fresh-Faced Recruit
Join Date: Sep 2010
Status:
Offline
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I agree with Railroader, it's seems that 5 feet is real.
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