Get Global Using a GPS in the Classroom

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Get Global!Using a GPS in the Classroom

• Malik Richardson
• E7100 Fundamentals of Computer Structures

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Questions

• What is a GPS and how does it work?
• Research which is better?
• Garmin eTrex Legend GPS
• vs
• Magellan eXplorist 210
• Why use it in the classroom?

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GPS How it works

• The Global Positioning System (GPS) consists of
  24 NAVSTAR earth-orbiting satellites.
• These satellites allow any person who owns a GPS
  receiver to determine his or her precise
  longitude, latitude and altitude anywhere on the
  planet!

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This geospatial technology uses triangulation to
pinpoint your location geographically.
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GPS Unit Comparison
Garmin eTrex Legend GPS 149.95
Magellan eXplorist 210 Outdoor Bundle Price
199.95
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• Yes PC Compatible Yes
• 500 Waypoints 1,000
• 18 hrs Battery Life 18 hrs
• 5.8 oz Weight 5.3 oz
• 22 MB Memory 8 MB
• 1.8 x 1.4 Display size 2.1 x 1.1

Magellan eXplorist 210
Garmin eTrex Legend
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GPS Classroom Activities

• Geocaching (Similar to Letterboxing) hide and
  seek treasures on the schools campus
• Determine coordinate positions and distances
• Determine the perimeters of polygons, distance,
  and speed
• Converting Lat/Long to Lat/Long

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Additional Information

• http//www.lane.k12.or.us/insttech/vtc/gps.html
• http//ww.geocaching.org
• http//www.gis2gps.com/GPS/gps.html
• http//bevhoward.com/G2WPT.htm
• http//www.pfranc.com/
• http//earth.google.com/
• http//www.flashearth.com/
• http//local.live.com/