Global Positioning Systems (known as GPS) like the Nuvi 350 are in thousands of cars nike air max 90 white black , even as a standard feature. They have become quite portable and convenient to use and handheld models are more and more prevalent. But how do these little wonders work?

Well, first of all GPS stands for 'Global Position System' - 'Global' meaning worldwide and 'Positioning' meaning where on the globe your position is. The way it actually figures out where on the globe you are is pretty fascinating.

Working off of twenty-four satellites in orbit around Earth, the Nuvi 350 GPS will triangulate your position through transmissions from these satellites to your personal device. To get the accurace of your position, the satellites and the GPS need a very accurate time - atomic clocks at the United States Naval Observatory are what gives the clocks their precise time as the Observatory uploads this information to all of the satellites in the GPS satellite network.

The receiver in the Nuvi 350 knows the location of each satellite as this information is constantly being monitored by the GPS. When the signals from the satellites are received by the GPS nike air max 90 white mens , it will use 'triangulation' to determine your precise location. Where the signals intersect from each satellite is where you are. Armed with this information, the Nuvi 350 will give your position with an accuracy of 10 to 20 meters. At any given time, four of the satellites can be seen by a GPS as they are rotating around the earth.

The Nuvi 350 has a database of maps in its internal memory and because it always knows where its at, it can give you helpful travel tips and information nike air max 90 white womens , It can tell you how far you've traveled, how long you were on the road, how fast you've been traveling and your average speed. Oh yeah - and nearby stores, restaurants nike air max 90 white shoes , banks and, a whole lot more.

The days of trying to figure out how to refold your road map are gone with the advent of the GPS. Travelers, soldiers, scouts nike air max 90 white , adventurers have much to benefit from owning a GPS. Hunters and hikers can use these devices, letting the old compass remain in their pockets. Sailors used to rely on the stars to navigate the waters and now the GPS can be put on that task. And your neighbors are using these every day to conveniently navigate around local traffic situations.

Now that's pretty impressive!
Author's Resource Box

Before you purchase anything, be sure to check our review of the Garmin Nuvi 350 GPS

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