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Global Positioning Systems (GPS) seem to be popping up everywhere nowadays, from inside your cars to your cell phones to even video games. Its first use was with the military, but they have more recently been associated with civilian navigation devices.
These are some benefits from using GPS:

1. While you’re driving, GPS in automobiles helps people find any destination they want.
2. It helps you to track down anything or anyone. Just put the chip to your car, shipment, pets, kids (or parents) and you can always find them.

But how exactly does this GPS device work?
The GPS device needs a radio emitter and a clock to work. The emitter sends the time of the clock to the satellite overhead. Then the satellite figures the distance by calculating the amount of time it took for the radio signal to reach them. Three or four satellites compare their location and the time involved. Then they will show the location within about six inches depending on the accuracy of the unit’s clock.

Global Positioning Systems continue to grow in recent years. People believe this device will be common as the phone or television and improve the same ways as cellular phones in recent years.