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It is no secret that police cars are equipped with GPS tracking theft recovery devices. These items are meant to allow a stolen police car to be found rather easily by simply using GPS tracking technology to locate the car. Then further police are dispatched to the location to apprehend the criminal and recover the car. The good news is that it is possible to use the same technology to protect your car.

GPS tracking is not a very new technology. It has been around since the 1980s, when it first began being developed for the military. It was originally meant to help keep track of troops and movements; as well as create a sophisticated mapping system to help commanders find their way over rough and unknown terrain. Today that same technology is so advanced that it is possible to track in real time and create histories of where the device has been. And GPS technology is available to anyone, and at a fairly reasonable price.

When you use GPS tracking in your car, you receive more than just driving directions in an unfamiliar city. You can also know where your car is. While it is nice to have this information to keep tabs on partying teenagers, it can also help you in the event that your car is stolen. When you have a tracking system, and your car is stolen, you are more likely to get it back relatively unharmed. This is because you can find it immediately, rather than having it discovered in pieces weeks later as part of an illegal car parts ring.

Your GPS tracking system can help you get your car back and have the satisfaction of knowing that the person who stole it is off the streets and headed to jail. You can let the police see where your car is (and where it is headed) and this is an immense help to them. One of the best ways to protect your property is to know where it is. And you can always know where your car is when you have it equipped with GPS tracking.

Global Positioning System was invented by Ivan Getting and U.S. Department of Defense. GPS is related to satellite navigational system, which is mainly designed for navigation application. It is now used as a timing tool. Six in each of three orbital planes spaced 120º apart out of eighteen satellites and their ground stations forms GPS. To calculate geographical positions GPS uses satellites as reference points. GPS is used as a pinpoint in any ship or submarine on the ocean and to measure Mount Everest. GPS receivers have created with few integrated circuits so that it becomes very economical to use. Today GPS is used into planes, boats, construction equipment, cars, movie making gear, farm machinery and even laptop computers.

GPS satellites are placed high enough to avoid the problems related with land based systems and then also it provides accurate position anywhere in the world. The positions, which are incorrect determined by GPS satellite signals produce accuracies in the range of 50 to 100 meters. By using differential correction technique users can get positions accurate to within 5 meters or less.

There are varieties of applications for GPS because GPS units are smaller and less expensive. GPS assists pilots and drivers in pinpointing their locations and avoiding collisions in transportation applications. Farmers use GPS to control accurate distribution of fertilizers and other chemicals in farm. Recreationally, GPS provides accurate locations and act as a navigation tool for hunters, hikers and boaters.

GPS has its greatest application in the field of Geographic Information Systems (GIS). GPS provides any point on earth with a unique address with some consideration of error. A GIS is descriptive database for the specific part of the earth. GPS tells accurate position by using co-ordinates X, Y, Z while GIS tells X, Y Z is a tree or a spot in a ocean. GPS tells us "where" while GIS tell us "what". GPS/GIS are providing the way to locate, organize, analyze and map of resources.

GPS Application

Now days sportsmen, farmers, soldiers, hikers, delivery drivers, sailors, dispatchers, scientists, lumberjacks, fire-fighters, pilots, surveyors and people from many other walks of life are using GPS in such a ways that make their work more productive, safer, and easier.

GPS applications are as follows:
1)Location: It is used to determine a basic position of an object.
2)Navigation :It is used to get position from one location to another .
3)Tracking – It monitors the movement of people and things .
4)Mapping – It creates maps of the world .
5)Timing – It brings precise timing to the world .