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History Of Navigation

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History Of Navigation

  1. 1. Navigation before GPSNavigation before GPS landmarks
  2. 2. Navigation before GPSNavigation before GPS land in sight
  3. 3. Navigation before GPSNavigation before GPS starry skies
  4. 4. Navigation before GPSNavigation before GPS sextant
  5. 5. Navigation before GPSNavigation before GPS chronometer
  6. 6. Navigation before GPSNavigation before GPS Radio navigation systems: LORAN Radio navigation systems: LORAN
  7. 7. Navigation before GPSNavigation before GPS TRANSIT satellite
  8. 8. GPSGPS NAVSTAR Global Positioning System
  9. 9. GPSGPS manpack
  10. 10. GPSGPS Precision Lightweight GPS Receiver (PLGR) Precision Lightweight GPS Receiver (PLGR)
  11. 11. GPSGPS So how does it work? Click the magnifying glass
  12. 12. Geocaching .Geocaching . •Started in May 2000 •‘Geo” means “earth/geography” •“Cache” means “container” •As of August 2007 there were 444656 caches worldwide! •Free- you don’t have to have a GPS receiver, but it sure does help!
  13. 13. How Geocaching WorksHow Geocaching Works .. •Geocacher searches by zipcode for caches in a certain area (or city or state or latitude and longitude) www.geocaching.com •Uses the GPS receiver to locate the cache •Open cache, sign logbook, trade items if you want to •Replace cache as it was found •Log find on the website
  14. 14. Geocaching RulesGeocaching Rules •CITO- Cache In, Trash Out •Leave no trace www.LNT.org •No food or candy •Don’t “trade down” •Don’t give away the hide in the logs •Adhere to the creed www.geocreed.info
  15. 15. Geocaching LingoGeocaching Lingo •TFTC- Thanks for the cache! •TNLNSL- Took nothing, left nothing, signed log •FTF- First to find! •DNF- Did not find  •Swag- goodies found in cache •“Muggles”- people who don’t know about geocaching
  16. 16. Types of CachesTypes of Caches •Micros •Regular/small •Multicache •Virtual •Where’s George •Letterboxing
  17. 17. TrackablesTrackables •Travel Bugs •Geocoins •Promotionals Jeep 4x4 Unite for Diabetes
  18. 18. Google EarthGoogle Earth Where do I get it? •Free download at http://earth.google.com •Uses satellite imagery •Information is shared with KMZ and KML files

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