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To: ManyMoose who wrote (160166)	7/12/2001 8:19:08 AM
From: willcousa	Read Replies (1) \| Respond to of 769667

The GPS is a marvel. And traditional navigation skills are a must as a back-up. We race sailboats. Before the season we noted the location of each buoy by sailing to them and inputing them to the gps. On one race a buoy was half sunken and could not be seen for the wave action. We found it with the GPS and gained about four spots in the process.

To: ManyMoose who wrote (160166)	7/12/2001 10:03:05 AM
From: alan w	Read Replies (1) \| Respond to of 769667

My son showed me his GPS on a trip over to Missoula. At Fourth of July Pass he checked the elevation and I remarked that it read only 4 feet higher than the sign said it was. He reminded me that his dashboard was four feet off the ground. Coincidence. Accuracies of single hand helds are more on the order of 30-40 feet horizontally and more than that vertically. That's with SA turned off. Even with some sort of real time link you'd be lucky to get 4' vertical accuracy. Unless he has a starting at $40,000 centimeter level unit with real time broadcasting base. They are good for hiking, fishing etc... though, as well as playing with in the car. Have a good one Dave. alan w