On Mon, 8 Nov 2010 19:51:52 +1100 Peter Ross <[email protected]> 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" <[email protected]> wrote: > > On Mon, 8 Nov 2010 15:02:10 +1100 > Peter Ross <[email protected]> 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. > > _______________________________________________ > Talk-au mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-au _______________________________________________ Talk-au mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-au

