[talk-au] Locata augmenting GPS in GPS hostile areas

[Elizabeth Dodd]

On Mon, 8 Nov 2010 15:02:10 +1100
Peter Ross <peter at emailross.com> wrote:

> An australian company which can provide gps signals inside buildings,
> urban canyons, etc., etc.
> 
> http://www.abc.net.au/rn/scienceshow/stories/2010/3058425.htm
> 
> See also
> 
> http://www.locatacorp.com/technology.html
> 
>
I presume that this is just differential GPS (DGPS), a technology well
known to surveyors, who own their own units or hire access to one.
Perhaps Locata is cheaper.
I tried to download two of the technical papers but neither pdf would
open so I haven't been able to confirm the details.