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description=Image by heiwa4126 via Flickr Google Maps has has geolocation support for a long time, but I still find people surprised of how it all works. So here s a...;

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geolocation and google maps friendly bit jump to content or jump to navigation friendly bit contact feed geolocation and google maps jun 18 2011 emil stenström js modern web image by heiwa4126 via flickr google maps has has geolocation support for a long time but i still find people surprised of how it all works so here s a short writeup skip it if you already know all about geolocation lets start at the google maps frontpage among the zoom controls above the little old man there s a button in the form of a small circle it does not look like much but what it s doing is incredibly cool click it and the map moves to where you are with an accuracy of 20 meters sci fi crazy how does it work in the newer browsers all but ie6 ie7 or ie8 may ask you for your positioning information from the browser it usually shows up as a bar at the top of the browser the browser then gathers two specific forms of positioning information from your computer your ip address and the signal strength of any wireless network near you that information is then sent if you approve it to google which returns the coordinates you are at the moment google can do this because they ve been driving around with their street view cars all over the world and measured signal strength of wifi networks public and private at each specific location now they can use that information combined with your local signal strength conditions to triangulate their way to where you are and it s both accurate and fast if your wireless reciever is turned off or you re at a stationary computer all calculations are based on the ip number these kind of lookups are quite arbitrary and inaccurate i just get to the nearest big city when trying to use it over a non wireless line but mobile connections are slowly taking over landlines so i guess this problem will solve itself automatically the best kind of technology throws you forward in time and make your realize that we re actually making progress geolocation has feel to it looking for the techy explaination of geolocation have a look at robert nyman s writeup comments sep 9 2011 by mallory p 1 hi emil i had tired this but always through a non wireless connection and was underwhelmed now i get how it s supposed to work thank you i am glad to note however that both the latest versions of ie ff ask before sharing your location info with google maps otherwise although exciting in a the future is now type of way it s also scary in a 1984 big brother is watching you kind of way s cheers mal xo