| Re: [GMCnet] GPS Accuracy (was: Tires) [message #65560] |
Tue, 24 November 2009 16:37  |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma:
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Some cell phones have real GPS, but many do use towers to triangulate from. Some even use WiFi hotspots. Whatever gets you there.
My 1st gen iPhone has only the mock-gps for mapping and it's served me very well in a pinch.
Larry Davick
The Mystery Machine
----- Original Message -----
From: "Jay Rabe" <jayrabe@hotmail.com>
To: gmclist@temp.gmcnet.org
Sent: Tuesday, November 24, 2009 2:13:43 PM GMT -08:00 US/Canada Pacific
Subject: Re: [GMCnet] GPS Accuracy (was: Tires)
I'd heard that the GPS apps in cell phones are not "real" GPS. That is, they use triangulation from cell phone towers to determine your location, rather than receiving and triangulating from actual GPS satellite signals. As such, they are no good in the boondocks where there's no cell phone coverage.
Comments?
J
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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