Recreational GPS receivers can cost less than $100, and are available at outdoor outfitters, electronics-specialty stores, or by mail-order. Features and prices vary widely, so shop around a bit. If possible, try it before you buy it, or make sure the seller has a good return policy.
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Durability of the GPS Unit...If you are rough with your gear, consider a rugged GPS unit that has durable casing and can sustain bumps & drops without compromising its functionality. Many models are shockproof and waterproof, in differing degrees. If you ever plan to use your GPS receiver while boating, then you may want to get one that actually floats. And remember, in cold weather, your GPS system will continue to provide accurate data, however, the LCD display screens tend to display the information quite slowly.
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Before marking your favorite locations as GPS "waypoints", make sure the receiver has a good "3D" navigation lock. For permanent marks, pick a name you'll remember. Temporary marks can usually be numbered automatically. To restart waypoint numbering, erase any numbered waypoints and save a new one called "001".


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Write Here, Write Now: And you thought you were overloaded with information now, just wait. Hewlett Packard is working on a technology to let folks print messages in mid-air based on their location incorporating GPS technology. I find this stuff fascinating, even if no one seems to have thought of a good use for it yet. The first sentence of the article is right, though: "The kids are going to love this." in New Scientist via RCPL's Liblog]

When the ALA summer conference was in San Francisco in 1997, the SF Museum of Modern Art had a fascinating exhibit called Icons: Magnets of Meaning. I spent hours browsing through it, but one of the pieces that has always stuck in my mind was called @: Marking the Electrosphere . It talked about the meaning of that one little symbol. How it can define, place, and root you in the world, but at the same time let you be found anywhere. Integrated, widespread use of GPS is going to take this to a whole new level.

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