[OSM-talk] Motion sensors for navigation
david at frankieandshadow.com
Tue Mar 23 12:32:58 GMT 2010
On 23/03/2010 12:21, John Smith wrote:
> On 23 March 2010 21:56, David Earl<david at frankieandshadow.com> wrote:
>> I wonder whether they might be interested in offering us some units for
> Using inertial navigation the accuracy deteriorates considerably over time.
Yes, obviously. The problems we have are exactly the ones they are
trying to solve though - urban canyons and tunnels - where we lose the
GPS accuracy for a short while. I don't think they're suggesting they
are a substitute for GPS, just to augment it where GPS can't reach. If
they are looking at military applications, the accuracy has to be an
order of magnitude better than we would need as is their GPS.
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