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| − | After having the auto for lower than every week, I knew I would necessarily have GPS systems around my cars and timeframe of the Thomas guide were winding down. Don t misunderstand me, I have a solid a feeling of direction and don t wander away very often. And I think it s this thinking that keeps people from purchasing a GPS system - even a transportable hand-held version. I have someone who actually still pulls over, and appears things on the Thomas guide - and occasionally Asks for directions.
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| − | Coming back, a navigation unit is solely an electronic gadget that can help you track your route, know your present position, reach a destination, or find what steps you re from a selected well-known location. It sticks to receiving microwave signals transmitted at certain preset frequencies by a cluster of 32 Navstar-GPS medium Earth orbit US-launched satellites up within the sky. The signals inform you the coordinates of your (actually regarding the navigation unit available to you) current location, wherever in the world you could be, inside the air, over the seas, or on land. Moreover, you furthermore may offer along with your navigation unit a database (in memory) that has already been developed any process often called mapping.
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| − | Originally GPS utilized for any military, aviation and seafaring industry and satellites that provide support began launching in 1978 as well as have become in numbers to some total of 24 circling the planet earth. These 24 satellites help to give such accuracy to navigation systems that they may regarding pin point a pin in the hay stack. One thing that is significant to make note of a few GPS service is that it is free, unlike telecommunications services which we spend on. Pilots thought it was so much simpler to track their flights and flight paths for their destination with GPS and today still remains one of the crucial important elements of aviation. [http://www.xn--navigationsgerte-test-j2b.net Navigationsgeraete Test]
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| − | The GPS constellation associated with about 24 satellites - the specific number varies as old satellites breakdown and a are launched - in orbit with an altitude of virtually 11,000 nautical miles. Each satellite continuously transmits a coded signal on two microwave frequencies - roughly 10 times higher than marine VHF - together with a message that says I am here and the time is . The codes suited for the 2 main frequencies will vary and one, referred to as CA code (for Coarse Acquisition), is out there to civilian receivers, but their messages are essentially exactly the same. The signal takes time for you to travel your satellite to the receiver, hence it can be received slightly later than it had been sent.
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Версия 22:15, 25 декабря 2025