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GPS City Q&A » Mobile Computer GPS » What is the benefit of this over the built in location services?

Mobile Computer GPS (1 reply)

Item

Original Question

What is the benefit of this over the built in location services?

› Dual XGPS150 Universal Bluetooth GPS Receiver

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Jeff
Calgary, AB

Original question asked on Sep 22, 2011, 5:22pm

My iPhone and iPad have built in location services. What is the benefit of using an external GPS on these devices?

GPS City
Calgary, AB

Reply #1 on Sep 23, 2011, 7:38am

A-GPS is not satellite based. So if you have a A-GPS device it will not work outside of cell or wifi-range. A-GPS is also not as accurate and consistent as GPS. If you have one without A-GPS then you will have no location services.

I have heard that if you tether a ipad to a iphone 4 you can get the location from its GPS but I have not successfully been able to make that work. When it does work it is rumored only to send a position once every minute.

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