On Wed, 21 Jan 2009, Gerry Boland wrote:
> I read an interesting article on the technology of GPS:
>http://arstechnica.com/articles/paedia/assisted-gps.ars>> It seems to imply that the more advanced GPS units have smarter algorithms
> for determining its position as fast as possible, i.e. on turning on the
> unit, when the satellite positional data has not yet been received, it
> extrapolates where it expects the satellite to be from previous data and
> uses that approximation to calculate immediate coordinates.
This is not exactly new. My TomTom has been had that feature for several
years. You need to update the ephemeris data every now and then to keep
it on top form.
Shame the TomTom maps of Ireland (I bought it when living in the UK) are
Maintained by the ILUG website team. The aim of Linux.ie is to
support and help commercial and private users of Linux in Ireland. You can
display ILUG news in your own webpages, read backend
information to find out how. Networking services kindly provided by HEAnet, server kindly donated by
Dell. Linux is a trademark of Linus Torvalds,
used with permission. No penguins were harmed in the production or maintenance
of this highly praised website. Looking for the
Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!