In this week’s Tech Tuesday tip,we’ll give you a clue on how to use technology to help you geocache.
For security reasons,the U.S. government won’t let the civilian GPS network be too accurate. That means that even the best GPS receivers give you no better than 3-meter (10-foot) precision. A little high school geometry will tell that means that even when you’re standing at ground zero,your search radius is still about 315 feet. That’s why many veterans put away their GPSr and start looking for clues 20 or 30 feet before they reach their target.
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