or try an external gps receiver with bluetooth interface to phone. On Jan 12, 9:22 am, cellurl <gpscru...@gmail.com> wrote: > couldn't you use the accelerometer? > Integrate that? Use time. s=Integral(a dt) > If that doesn't work, look to skyhook wireless! > -cellurl > > On Jan 12, 8:20 am, Brill Pappin <br...@pappin.ca> wrote: > > > > > > > > > Well you pretty much need distance traveled over time to find speed, > > so anything you can do to determine distance travelled should allow > > you to calculate the speed. > > > For instance you could use cell tower location, but I wouldn't class > > it as even remotely accurate. > > If you want to give an actual real value, your going to need the > > accuracy of the GPS unit. > > > - Brill Pappin > > > On Jan 11, 11:13 pm, darrinps <darri...@gmail.com> wrote: > > > > All the examples I see use GPS, and I have that working just fine but > > > I've noticed that every time I'm in a car, that unless the phone is > > > close to a window or the windshield the GPS does not work so... > > > > I thought that there should be a way using course grained location > > > between cell towers. Does anyone know if this is possible and if so > > > might know where I could find some sample code please? > > > > Thanks! > > > > Darrin
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