Glenn Fleischman’s article on Macworld.com, How the iPhone knows where you are, explains in great detail how an iPhone — or anything else using assisted GPS — can figure out where it is far more quickly than it could using GPS alone (which can take up to 12½ minutes), thanks to cell tower and Wi-Fi trilateration.
The Map Room is a blog about maps by Jonathan Crowe. It covers everything from collecting to the latest in geospatial technology from a generalist’s perspective.
The Map Room ran from March 2003 to June 2010 and is presently inactive.
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Between March 2003 and June 2010, I posted a total of 4,055 entries. You can explore them by visiting the archives index, or by choosing one of the monthly or category archives below:
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