GPS and Smartphone Reviews» Reader Questions http://gpsmaestro.com Thu, 02 Feb 2012 22:56:39 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 How do GPS satellites stay in perfect position with out drifting out of position in time? http://gpsmaestro.com/how-do-gps-satellites-stay-in-perfect-position-with-out-drifting-out-of-position-in-time/ http://gpsmaestro.com/how-do-gps-satellites-stay-in-perfect-position-with-out-drifting-out-of-position-in-time/#comments Mon, 12 Jan 2009 10:59:24 +0000 NotLost http://gpsmaestro.com/?p=162 gps
Another Reader question about GPS Satellite positioning, from PeterD:

Seems that no matter how perfectly positioned these GPS satellites are they would drift out of position and that would throw off the computations of our GPS units in cars etc.

]]> http://gpsmaestro.com/how-do-gps-satellites-stay-in-perfect-position-with-out-drifting-out-of-position-in-time/feed/ 10 Does the iphone gps work outside of at&t service range? http://gpsmaestro.com/does-the-iphone-gps-work-outside-of-att-service-range/ http://gpsmaestro.com/does-the-iphone-gps-work-outside-of-att-service-range/#comments Sat, 20 Dec 2008 05:39:08 +0000 NotLost http://gpsmaestro.com/?p=780 gps
Another great question, from algidstorm about using your iPhone as a GPS if you discontinue your service with AT&T:

My friend has an iphone, but his contract is up. I was wondering if the gps will still work, or if he needs to renew his contract for it to work.

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