Thread: Touch Pro GPS
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Old 05-20-2009, 04:57 PM
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Re: Touch Pro GPS

You can blame Verizon for your issues. They've always liked to mess with GPS and make it crappy.

As for the TP2, yes, you can. It will have the same gpsOne chipset as the phone chipset will be the same. It may have a new secondary GPS implementation due to the new world-mode radio and the fact that CSR bought SiRF, but I doubt it. They have gotten better at tweaking the gpsOne SoC.

As for how odd their implementation is, not really. The phone can do four modes for GPS. Standalone, which is weak due to the nature of the SoC design of the MSM 7x00x chipset.

The MS Based/Assisted/Hybrid modes are actually very accurate, especially the MS Hybrid mode (4), as it uses its own determination as well as MS-based, plus offloads the data for atmospheric correction and other computations to a ground-based server on the cell network. It's arguably superior to the GPS acuracy in car navigation devices, as it gets real-time assisted data from a ground station.
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