GPS <--> AGPS

[Joseph Reeves]

> Aaaaha, I seen it being used for all sorts of archeology and buildings
>  construction purposes.

That's what I, as an archaeologist, want D-GPS for :)

With AGPS for quicker acquisition time (I'm thinking this will be
particularly useful when your phone's in your pocket in suspend mode -
turn it on and it starts working quicker).

Marcus Bauer had previously sent me this link:

http://www.u-blox.com/customersupport/docs/GPS_Compendium(GPS-X-02007).pdf

Chapter 6 deals nicely with improving GPS performance.

Joseph




On 06/06/2008, Joerg Reisenweber <joerg at openmoko.org> wrote:
> Am Fr  6. Juni 2008 schrieb Flyin_bbb8:
>
> > just wanted to add, Differential GPS is mainly for aircraft GPS systems to
>  > get better guidance on the ILS (Instrument Landing System).
>  >
>
>
> Aaaaha, I seen it being used for all sorts of archeology and buildings
>  construction purposes.
>  And from the info in the uBlox-paper, regarding the protocol options it
>  doesn't seem to me like there is much chance for better precision by the way
>  they do A-GPS.
>  Better precision would mean info on meteorological interference (like exact
>  amount clouds on the way to sat) at the very location of the receiver. To get
>  this, you need... a reference receiver, so we are at D-GPS again.
>
>
>  /j
>
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