Geocaching - Adams

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Describing geocaching.

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Geocaching - Adams

  1. 1. GPS Workshop Sheila Adams sadams@sau50.org www.ryejrhigh.org/workshops/gps
  2. 2. Global Positioning System (GPS) • 24 (+ 3) satellites around the world. • High orbit. • Trilateration (3D) – 3+ satellite locations – Distance to satellites (timing) • Radio signals (high frequency, low power) http://octopus.gma.org/space1/where.html
  3. 3. Trilateration Activity Circles and Spheres

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