On Fri, 25 Jun 2010 18:51:35 -0700, Jeff Liebermann
wrote:

iPhone and iPod touch: Understanding Location Services
http://support.apple.com/kb/HT1975

Incidentally, the iPhone and iPod Touch Wi-Fi based location services
uses Skyhook:
http://www.skyhookwireless.com
which uses a database of known wi-fi access points. It found my
office location because I had registered my access point long ago.


--
# Jeff Liebermann 150 Felker St #D Santa Cruz CA 95060
# 831-336-2558
# http://802.11junk.com
# http://www.LearnByDestroying.com AE6KS