A wonderful free GPS Guide for your Summer Trip
A wonderful free GPS Guide for your Summer Trip
* GPS Navigator, stands for Global Positioning System, is a radio navigation system that allows land, sea, and airborne users to determine their exact location anywhere in the world.
* GPS Navigator or Global Positioning System transmits the signals to the equipment on the ground through satellites. So please do not in the forested areas, indoors or near the tall buildings if you use the GPS receivers. GPS satellites transmit the signals to the GPS receiver at the same time, then the GPS receiver receives the different times because of the different distances between the GPS receiver and the satellites. When GPS receiver estimates the distance to at least four GPS satellites, it can calculate its position in three dimensions.
* Most people pay more attention to the accuracy of GPS positioning. It is depends on the type of receiver. Most hand-held GPS Navigator units have about 10-20 meter accuracy. Other types of them use the Differential GPS (DGPS) to obtain much higher accuracy. DGPS requires an additional receiver fixed at a stationary location nearby. Observations made by the stationary receiver are used to correct positions recorded by the moving units, and produce an accuracy greater than 1 meter.
* Follow the set-up directions that are provided with your GPS device. This step will has significant impact on whether the device will respond correctly or whether there will be any problems. The first time you try to use it, make sure you are outside on a cloudless day, away from any trees, for maximum connectivity to roaming satellites. Contact the customer service team which is listed on your product information sheets if you have any problems configuring or using your GPS Navigator. It will save you more time to ask for their professional help.
Now GPS Navigator is used widely, and provides the most convenience to people.
Find out the proper GPS Navigator for your car and where you can get one:
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