Comments on: Intel experiments with Wi-Fi as GPS substitute

Chipmakers are experimenting with using the wireless networks to triangulate an individual's location, especially in urban areas.

[Michael Grogan]

Here's the next killer app for cell phones

Big Brother will soon be able to follow you anywhere as long as you're carrying your cell phone!

[bigduke]

Article miss leads on GPS as 2d

The GPS finds locations in 3d space IF there are four beams received. With a few exceptions where the satellites result in indeterminate positions. Then a few minutes will have them move far enough to give real 3d Lat, Long, and elevation.

I use them in car, hiking, Bike rides and afloat. If you have window seat in aircraft it works at least to 600 Knots. That is the fastest ground speed I have seen on a commercial aircraft. Thanks to jet stream. It saves fuel too, as the pilot can reduce engine power. The way back is another story.

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Intel came first

Don't get it backwards. Intel built a wi-fi-based location-determination system long before Skyhook got into this game: see placelab.org