Geocaching

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Geocaching

• Having fun with science and geography!

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Finding a spot on earth

• Latitude and Longitude (coordinates)
• GPS (The Global Positioning System)
• Handheld GPS Device

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Latitude and Longitude
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• The Global Positioning System (GPS) is a
  satellite-based navigation system made up of a
  network of 24 satellites placed into orbit by the
  U.S. Department of Defense. GPS was originally
  intended for military applications, but in the
  1980s, the government made the system available
  for civilian use. GPS works in any weather
  conditions, anywhere in the world, 24 hours a
  day. There are no subscription fees or setup
  charges to use GPS.

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The orbits are arranged so that at any time,
anywhere on Earth, there are at least four
satellites "visible" in the sky.
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Quick push for entering new coordinates
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