Alright, but if said changes or access point moves or there's no access point in sight it is useless.
Le mardi 8 février 2011, John Francis <jo...@panix.com> a écrit : > On Tue, Feb 08, 2011 at 09:47:39AM -0600, Charles Robinson wrote: >> On Feb 8, 2011, at 9:15, Thibouille wrote: >> >> > Thouse from Houston won't be tagged, those from Boston will tagged but how? >> > Geoloc on the net is AFAIK VERY imprecise. If it is just to get the >> > town name, not very useful, really. >> > >> >> ..and it really only gives you the position of your access provider. >> >> Any "auto-locate" software which I run while at my house tells me I'm in a >> suburb 20 miles away... because that's the data center for my ISP. >> >> -Charles > > I believe you're confusing two different technologies. > > One is based on IP address - that's the one that returns the position > of your ISP. The other - the one that SkyHook uses - is based on a > proprietary database that contains actual positions for W-Fi hotspots, > cell towers, etc. I suspect this is the sort of data that Google were > trying to collect when they recorded data from wireless networks (and > got themselves into a whole lot of trouble for violating privacy laws). > > If you drive past my house, you'll see the SSID of my wireless network. > That's probably in SkyHooks database, tied to my actual street address. > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- Thibault Massart aka Thibouille/Thibs ---------------------- Photo: K-7, Sigma 28/1.8 macro, FA50/1.4, DA40Ltd, K30/2.8, DA16-45, DA50-135, DA50-200, 360FGZ KX, MX, SuperA+Motor, Z1, P30 Mamiya C330+80/2.8 Sekonic L-208 FalconEyes TE300D x2 Studio flashes Laptop: Macbook 13" Unibody SnowLeo/Win7 Programing: Delphi 2009 -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
