GPS in Education Arlington ISD, Instructional Technology Department October 21, 2006
Navigation Before GPS landmarks
Navigation Before GPS Land in sight
Navigation Before GPS night sky
Navigation Before GPS chronometer
Navigation Before GPS sextant
Navigation Before GPS TRANSIT satellite
GPS NAVSTAR Global Positioning System
GPS Manpack
GPS Precision Lightweight GPS Receiver (PLGR)
GPS So how does it work?
Google Earth Free download – Satellite Imagery KMZ’s
Geocaching Background Started August 2000 “Geo” means “earth/geography” “Cache” means “container” 319,509 caches in 222 countries Free (once you have a GPS receiver)
How it Works Geocacher searches by zip code for caches in a certain area Takes the GPS receiver and locates the cache Open cache, sign log book, trade items Replace as it was found Log find on the website
Geocaching Rules CITO Leave no trace No food/candy Don’t trade “down” Don’t give away the hide in the logs Adhere to the creed
Geocaching Lingo TFTC TNLN FTF “Muggles”
Types of Caches Micros Regular/Small Virtual Multi-cache Where’s George Letterboxing
Trackables Travel Bugs – Geocoins White Jeeps
Explorist 100 Power button on right side Allow 2 minutes for the satellites to lock on –3 solid bars –Will automatically advance to next screen
Explorist 100 (ctd.) Odometer tells how far you’ve traveled Location screen
Explorist 100 (ctd.) Reading the coordinates Current PositionDesired Position 32° N 32° N 97° W 97° W In which direction do you need to travel?
Explorist 100 (ctd.) Has a built-in digital compass. Compass only works when traveling at least 3 mph.