DeLorme's Tripmate is a 9-ounce device that's slightly larger than a bar of soap and uses Global Positioning System (GPS) satellites to fix your location. You can use the unit with a notebook PC running Win 95 and DeLorme's Street Atlas USA 4.0 or AAA Map'n'Go. The Tripmate, which runs on four AA batteries or an optional power adapter kit, easily connects to the notebook's serial port. I used the new CF-62 notebook from Panasonic (800-662-3537). It includes a 12.1-inch active matrix screen and an internal drive that plays both CD-ROM and rewritable phase-change discs. Tripmate installed easily on the Panasonic system, and once I properly configured the time and date of the Street Atlas software, I was tracking my progress in real time as I drove across state.
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