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

[Elizabeth Dodd]

On Mon, 8 Nov 2010 19:51:52 +1100
Peter Ross <peter at emailross.com> wrote:

> http://www.locatacorp.com/docs/Locata%20Primer%20v1.3,%20public%20rel,%20Feb%2005.pdfExplains
> the difference to dgps
> 
> Dgps requires the gps receiver to be augmented to receive the
> differential signal while with this you can use just a consumer gps
> and get very good accuracy
not exactly; you need a few other gadgets as well
this is RTK-GPS as I did post later (real-time-kinetic gps)

> 
> On 08/11/2010 7:03 PM, "Elizabeth Dodd" <edodd at billiau.net> wrote:
> 
> On Mon, 8 Nov 2010 15:02:10 +1100
> Peter Ross <peter at emailross.com> wrote:
> 
> > An australian company w...
> 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.
> 
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