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This diagram illustrates how an electronic tracking device can track a person. This system is useful to locate a missing person by the use of this machine. There are 3 basic stages in the process with the help of other system including the satellite, mobile or internet access and the transmission system.

The first stage in the tracking process is to hide the tracking device in an appropriate place such as a rucksack. The location of the device will be detected by the satellite.

After the location is identified, a message is sent out from the tracking device to the transmission tower.

Finally, the message is received and re-transmitted as a text message to a mobile phone indicating exactly where the person is. His or her location can also be picked up on an internet website. The tracking device is able to provide details such as the name of the street or pinpoint a specific place on a map.

In conclusion, this electronic tracking device is a very useful tool and it provides an efficient way to find a missing person. It is also a remarkable tool for the Police Force to locate their wanted targets.