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How to find someone ... Use Wireless LAN
Contributed by: G3nu1n3, at 10/27/2004 08:23:00 PM.

It had to happen. Wireless LAN specialist, Airespace, has developed a system using regular Wi-Fi that can pinpoint you to within ten metres. Its Wireless Location Services (WLS) using a technique known as RF (radio frequency) pinpointing.

According to Airespace's Jeff Aaron, other location methods have far less accuracy. He pointed out that using triangulation from base stations doesn't always work because a Wi-Fi user could be standing feet away from a base station but doesn't get a strong signal because there's a wall in the way. RF fingerprinting takes the geography of a building into account.

Wi-Fi location technology has plenty of uses – one of which is for security. With an accuracy of 10 metres, Airespace can tell a network operator exactly which booth a person is sitting in when they plug in an unauthorised base station or Wi-Fi card.

Source: Read Here

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