GPSy ($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. Radio Strength and WAAS Pricier GPS units often have stronger receivers, which will perform better when your view of the sky is restricted. You 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.)īluetoothĚ 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. (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 Ports 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. Screen Brightness 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.
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