[hlouie]

I thought the GPS chip in the Titan was a gpsOne that uses digital cellular signal from the towers to triangulates your position.

From phonenews.com
Installing this update will enable GPS to function inside your HTC Titan. It enables the gpsOne chipset in your device to function as a standard GPS device, compatible with Windows Mobile 5 & 6 GPS applications, including Google Maps, Windows Live for Mobile, and navigation software such as TomTom Navigator. Keep in mind that gpsOne is not autonomous GPS, you will need to have home network coverage in order to maintain a GPS lock.