GPS (Global Positioning System) was first implemented by the military so that soldiers would know where they are, how to navigate, and for targeting information for weapon delivery. Now it's available to the public. It is used by drivers, hikers, boaters and pilots. With GPS you can know where you are anywhere in the world. And know approximately how far any destination is from where you are, what direction to go, and how long it will take to get there.
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1
Turn on your GPS. It takes anywhere from 15 seconds to 1 minute to acquire the satellites' transmission. Once acquired you are then able to determine your location with at least 3 satellites, and if you have 4 satellites, you can also get altitude.
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2
Create a waypoint. Depending on the model of GPS reciever you are using, you may have to scroll through the pages to find the page with the "create waypoint" option. A waypoint can be a destination, where you are currently or an intermediate point between your starting point and final stop.
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3
Determine which way is north. As soon as you start walking, your heading will be displayed which is the compass direction you are walking. If you select a waypoint destination, then a desired track is calculated from your current position to the destination.
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4
Get your map oriented or turned the right way. Simply figure out which way is north by walking a few steps and turn until you see either 0 or 360 or north showing on the heading indicator. Now turn the top of the map to point north. Usually the GPS will have a moving map built into it.
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5
Walk directly to the waypoint. Your heading will equal the desired track or course. If you have to walk around an obstacle, then you will get off course for a little while. However, the GPS will still show you the bearing or heading that you should go to walk directly to the destination. It can also show the course to steer to quickly intercept and get back on your original course.
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