Some systems, like the Garmin DriveSmart 51, are interconnected with sources of traffic information. The navigation system acts as a receiver, and the information from the satellite pinpoints your location, your destination and the quickest route along the way. A dedicated GPS system is a smarter, safer option, but picking the right one for you can be confusing if you don’t know what to look for.Ĭar GPS systems work by communicating with 24 satellites orbiting 12,000 miles above the earth. The smaller screen makes it harder to see your route, the programs eat up data and battery life on longer trips and interruptions from calls, texts or other alerts can disrupt your trip. There are plenty of navigation programs available on your smartphone, but they’ve got their own set of caveats. Over the past decade, they’ve become must-haves for anyone who drives long distances, needs traffic updates to find the quickest route to point B or gets lost frequently. GPS, or global positioning systems, used to be so expensive and high-tech that they were only practical for military use. Luckily, technology has surpassed the benchmark of printouts taped to your dashboard. If you were born in the 1980s or earlier, you probably remember consulting large maps or printing out Mapquest directions to help guide you to the best route while you drove.
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