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    GPS presentation GPS presentation Presentation Transcript

    • GPS Navigation
    • What does GPS stand for?
      Global Positioning System
    • History
      Invented by the U.S Department of Defense which they used as a military application
      It was designed, built and operated and maintained by the Department of Defense
      Designed to track submarines carrying nuclear missiles
      Costing ~12 Billion tax payer dollars
    • Before GPS
      Stars Compasses Maps
    • How does it work?
      A group of satellites around the earth’s orbit transmit precise signals
      These signals allow GPS receivers to calculate and display accurate location, speed and time information to the user
      It only takes 3 or more satellites to pinpoint your location
    • How GPS works continued…
      GPS works through all weather conditions, all day and around the clock
      Some locations may not permit accurate GPS navigation due to blocked signals that can be caused by canyon walls, skyscrapers or dense forests
      GPS receivers are typically accurate within 15 meters
    • Today GPS has become a multi-billion dollar industry with lots of products that use GPS
    • How GPS Works