Article: Portable Navigation Systems Work, Right?(Garmin International Inc. introduces Garmin portable navigation system )

By Charles J. Murray, Senior Technical Editor, Electronics

If they don't work correctly, these devices can be a distraction

I keep telling myself my recent portable navigation episode must be an isolated case. Surely, automotive navigation systems work better than the one I used in a rented Avis car in Hartford, CT. Surely, they must.

Before we discuss the overall effectiveness of GPS-based navigation, however, let's consider my recent experience. It started when I rented an Avis car with a portable Garmin Where2 navigation system (http://rbi.ims.ca/5399-517 ) at Hartford's Bradley International Airport. The Garmin system ...

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