>>GPS Tracking Watches at Work

GPS technology is infiltrating almost every single gadget we own. Cell phones, cars, watches, shoes, and even our pets are coming under the ever watchful eye of GPS. Since this is happening it is a good idea to take a look at the way that GPS works.
GPS systems work around the basic principle called trilateration. Trilateration uses the known location of a transmitting device and the distances between these devices and the person using their GPS device to calculate the exact position of the receiver. This is very much like the more widely know triangulation, except that trilateration does not use angles at all in its calculations.
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