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Published byAmanda McGee Modified over 9 years ago
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2 GPS Basics
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3 The Global Positioning System (GPS) is a worldwide radio-navigation system formed from a constellation of 24 satellites and their ground stations.
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4 Earth Circumference –24,000 Miles Rotation –1,000 Miles/Hour –1 Day Cycle
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5 GPS Satellites Distance from Earth –½x Earth’s Circumference –12,000 Miles 2 Orbits in 24 Hours –Travel 7,000 Miles/Hour Powered by Solar Energy
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6 How GPS Works
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7 2D Trilateration 625 miles 690 miles 625 miles 615 miles 625 miles 690 miles
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8 Signal Transmission
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9 Real World GPS Applications LocationLocation - determining a basic position Navigation - getting from one location to another Tracking - monitoring movement of people and things Mapping - creating maps of the world Timing - bringing precise timing to the world Navigation Tracking Mapping Timing
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11 Student Map
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13 GPS Applications Tree & Plant Identification Science & Technology Bicycle Safety
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14 GPS Applications High Adventure Fishing & Canoeing Science & Technology
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15 GeoCaching Scavenger Hunt Zip Code Adventure Educational Recreation Families and Friends Exciting and Fun! www.geocaching.com
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16 http://www.earthcache.org/
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17 Credits -How Stuff Works http://electronics.howstuffworks.com/gps1.htm - 4H Navigation to Success by Brady Mitchell - All About GPS http://www.trimble.com/gps/ - Tracks4Africa http://www.tracks4africa.co.za/# - EARTHCACHE http://www.earthcache.org/ http://electronics.howstuffworks.com/gps1.htm http://www.trimble.com/gps/ http://www.tracks4africa.co.za/#
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18 Questions? Comments
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19 3D Trilateration
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22 3D Trilateration
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23 Click Stick Page Button On/Off Button
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24 GPS Applications Wildlife Mapping Environmental Education Earth Science
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26 What is GPS?
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