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Unfortunately, because of the limited interfaces of most GPS units, entering addresses and locations can be a real pain. Give them two addresses, and they can plan a route for you and provide real-time driving instructions. Many GPS units can find routes from one place to another. You can then import this file directly into Google Earth. (free), you can download the waypoints, tracks, and routes from your GPS device and save them in a Google Earth-compatible file. USB GPS RECEIVER SOFTWARE PLUSFor $20 a year, you can get a Google Earth Plus account that allows you to download data from your GPS directly into Google Earth (instead of importing, which is a more laborious process). The free version of Google Earth can import waypoints you’ve stored in your GPS and display them as a layer on maps. (free), for example, does an excellent job of reliably communicating with all major GPS models, so you probably won’t have to hassle with any connection settings or parameters. And the applications you’re using may have built-in support for GPS hardware. ![]() ($60) are both compatible with dozens of GPS units (check the Web sites for compatibility lists first). If that doesn’t work for you, there are a number of applications that let your GPS and your Mac talk to each other. If you have an Intel Mac, you should have no problem using Parallels Desktop or Boot Camp to run Windows-based GPS applications. If you’ll be using your GPS unit in North America, one that’s compatible with the Wide Area Augmentation System (WAAS) will be slightly more accurate than one that isn’t. If you spend a lot of time navigating around skyscrapers, or in deep canyons or thick forests, you may want to spend the extra money. ![]() Pricier GPS units often have stronger receivers, which will perform better when your view of the sky is restricted. USB GPS RECEIVER SOFTWARE BLUETOOTHYou pair a Bluetooth GPS device with your Mac just as you would pair a cell phone or a Bluetooth keyboard. If you have a USB-based Mac, you’ll be better served by a USB-equipped GPS receiver.)Ī wireless interface can be especially useful if you plan to use a GPS unit in your car, where you don’t want to hassle with cables. USB GPS RECEIVER SOFTWARE SERIAL(Some software won’t work with serial GPS receivers. But there are still a few popular models that have serial ports you can connect a serial model to your Mac with the help of a Keyspan Most models these days have USB ports and ship with a standard USB cable for connection to a Mac. A color screen is definitely easier to read, but you’ll pay more for it. Some GPS devices have color screens others have black-and-white displays. Make sure that the screen is visible in bright daylight, because you’ll likely use it often in your car or in the great outdoors. If you’re thinking of a handheld, you should consider a few things while shopping: Handheld units have the advantage of flexibility: they work with your Mac, but you can also stick them in your pocket or set them on the dashboard of your car. They come in a variety of forms-the most common are handheld devices with their own screens and interfaces they also often have serial or USB ports so you can connect them to your Mac. GPS receivers calculate exact locations by interpreting signals sent by a collection of satellites. In the past, the lack of Mac software made that a cumbersome process. One other thing you can do with GPS still isn’t common yet-and it should be: connecting a GPS unit to your Mac. USB GPS RECEIVER SOFTWARE PORTABLEIt’s now a fixture in cars, many folks carry portable GPS units with them on outdoor adventures, and we’re no longer wowed by the fact that you can precisely determine your location almost anywhere in the world. Over the past ten years, GPS technology has gone from the military to the mainstream. ![]()
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