A small computer program in the receiver translated the information about subsequent positions into dots on the screen. This way you can see where you came from and where you actual are, as well as the track that you followed to come to your actual position. As long as you move, the system can also calculate the direction in which you move, by comparing subsequent positions. If you project your direction over a longer distance's receiver that can capture the signals of several GPS satellites simultaneously.
Bluetooth GPS receivers have the big advantage that they connect with the pocket without a cable. The disadvantage is that you have two independent devices, each with its own battery, which need to be recharged. Setup of a BT connection often is more troublesome than a cable connection.GPS navigation is the process of travelling from one place to another and knowing where you are in relation to your desired course.GPS navigation uses orbiting satellite signals to determine your position .These satellites continually send out radio signals containing precise position and time information back to earth .GPS navigation continually your position and provides speed and track information. GPS navigation takes navigation to a higher level by providing accurate position and course information. Anywhere in the world, regardless of the weather or your proximity to land. The accuracy and coverage of GPS navigation can help make your boating safer, smarter and more efficient wherever you may travel.
GPS is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense. GPS navigation was originally intended for military applications, but in the 1980s, the government made the system available for civilian use. GPS works in any weather conditions, anywhere in the world. There are no subscription fees or setup charges to use GPS.The satellite signal slows as it passes through the atmosphere. The GPS system uses a built-in model that calculates an average amount of delay to partially correct for this type of error, handheld GPS can also be used as a car gps.Utility is also very convenient
Conclusion of GPS navigation, a whole GPS navigation is comprised of the chip, processer, antenna, screen, speaker, expandable socket and map navigation software. The more satellite the GPS navigation receive, the strong the signal getting and navigation is developed.
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