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by: RaySabo
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A few years ago, constantly having a map of the world at your fingertips seemed impossible. However, today it is a common amenity. Using cell phone GPS people with navigation systems in their phone can directions to anywhere. In addition, GPS in cell phones provides assistance for police and investigators during emergency 911 and missing person situations. This modern development continues to gain popularity.

The GPS started to be developed and used by the federal government. Nowadays, ordinary citizens are able to receive the benefits of GPS in their everyday lives. GPS works because there are constantly released signals when the phone is on. Even without a call the GPS can track the phone. A signal is picked up and received by the receiver, telling the user the location, direction, and speed of the cell phone

GPS track cell phones better than triangulation that was used before GPS technology. Triangulation determines which three cell phone towers to which phone is the closest. That is how they determine the approximate location of the cell phone. Although it isn't as precise, sometimes as much as tens of meters off, it did give a pretty good indication of location. The Cell Phone GPS, on the other hand, can pinpoint the location of the cell phone within about five meters. That makes the GPS roughly ten times more accurate than triangulation.

Because of the pinpoint accuracy of cell phone GPS, it is now used to assist in both missing person situations and 911 calls. When a person goes missing, if his or her cell phone is left on, the phone can be traced using GPS, thus aiding in the investigation. Because most cell phones these days have GPS capabilities, when a 911 call is made from them it sends the phone's GPS information to the 911 operator. These two uses of cell phone GPS have helped, and continue to help, save lives.

The compact size of cell phones allows cell phone navigation systems, like the VZ Navigator by Verizon Wireless. This system and other systems like it have become very popular become they let the user access various maps. When the to and from locations are submitted to the phone, it will show step-by-step directions. It's amazing what a small, but advanced tool this cell phone GPS offers to today's fast paced, technological world.

GPS in cell phones has seen major growth over the past few years. Its extremely helpful and convenient features have brought GPS from the government into the everyday lives of ordinary people. This change in scenery has aided in the greatly increasing popularity of GPS. Because of this popularity, GPS will, very likely, continue to see growth in its features and usability in the near future.

Ray Sabo http://www.cellphones-mp3.com

About the Author

In todays world a GPS Mobile phone can save your live and help find others and track a course when walking on trails, boating and driving

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