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GPS topographic map shows your postion on the screen
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First let's find out what a GPS will do. A GPS will tell you your location on the earth's surface, within 15 feet. The newest models will display your position on a topographic map so that you will know what roads and streams are nearby, how far away and in which direction.
You can also plan a trip in the backcountry with a GPS. With an optional mapping program, you can plot a "Route" on a map on your computer at home, and upload it to your GPS.
In the bush, you follow the "Route" directions on the GPS. If you get off course, the GPS will tell you which direction to go to get back to your "Route". |