On Tue, Nov 17, 2009 at 1:11 AM, Remi Grumeau <[email protected]>wrote:
> On Tue, Nov 17, 2009 at 06:38, FloridaBee <[email protected]> wrote: > > it uses WiFi. > > " If so, it needs at least two wifi hotspots to localise you ..." > > That's not completely true. > > It needs only one WiFi to work but definitely the more WiFi's the more > > accurate coordinates we will get. > > Greetings, > > Bee > > > > humm .. didn't know that, can't remember where i read the fact that > two was needed cause only one is not enought for a good localisation. > Btw, thanks for the clarification ! > > you might be thinking of cell tower triangulation for a quasi GPS. the geolocation on ipod when not using GPS is based soley on IP address and the public records of that IP address. So for my home comcast, its scary that my IP address shows up right at my house. Other areas in the US are that accurate but in many parts of the world the best geolocation by IP address will do is the city you are in. -- You received this message because you are subscribed to the Google Groups "iPhoneWebDev" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/iphonewebdev?hl=.
