Presentation on theme: "GPS Devices and Geocaching Physical Geography 10 Ms Bainbridge Sir John A Macdonald High School."— Presentation transcript:
GPS Devices and Geocaching Physical Geography 10 Ms Bainbridge Sir John A Macdonald High School
Global Positioning Systems (GPS) ► GPS is a revolutionary navigation system 24 satellites orbiting the earth Provide location within metres anywhere on the globe. Now available in many cars as an option
Parts Zoom In/Out Buttons Find Button Page Button On/Off Button Pointer/Cursor Control
Start Up Satellite PageMap PageNavigation Page Trip Computer Main Menu
TaskTask #1: Understanding the Satellite Page Task ► Use your GPS to determine the following: How many satellites are being used?______ How many bars of signal strength do you have?____ What is the GPS location of the hinge side of swinging gate? _______________ _______________ _______________ What is the elevation?_______________ What is your accuracy? _______________ m
Task #2Task #2: Understanding the Map Page Task #2 ► Zoom in until you are at 8 kms. ► What locations are visible? _____________ __________________________________ ► Zoom in until you are at 200 m. ► What locations are visible? _____________ __________________________________ ► Describe the difference in your findings.
Task #3Task #3: Understanding the Navigation Page Task #3 hinge side of swinging gateWalk from the hinge side of swinging gate to the flag pole. ► ► How fast were you walking?_______________ ► ► What direction were you walking?___________
Task #4Task #4: Understanding the Trip Computer Page Task #4 ► Reset your trip computer. ► Walk around the front of the school until the Moving Time reads 2 minutes. Record the Trip Odometer value?______ Record the Max Speed value?_________
Task #5: Marking a Waypoint A Waypoint is a stored location in your GPS unit A: Mark a location B: Enter manually Choose 3 other waypoints in front of the school you would like to mark. Mark and name them. Check
A: Mark Your Location as a Waypoint ► Select a location ► Main Menu – select “mark” icon ► Highlight the number in the flag ► Press click stick – alphanumeric keypad displayed ► Name waypoint – highlight each letter and press click stick to select ► Select “ok” when done. ► GO DO IT!
B: Mark Waypoint Using Coordinates ► Location you want to find ► Main Menu page ► Select Mark ► Use the Click Stick to highlight the Location box at the bottom and press the Click Stick straight in ► Use the Alphanumeric screen to type in N 44º ’ W ’ N 44º ’ W ’ Select OK.
Finding a Waypoint 1. Main Menu 2. Find 3. Waypoints 4. By name/number or location locationOR 1. Find Button 2. Waypoints
FIND cont. What waypoints did you list in your GPS? _____________________________________ ► Head outside to find the coordinates given to you. ► Follow your compass ► Which location did those coordinates take you to? __________________________ __________________________
Tips to remember ► Highlighting the icon of several sheets in the top right hand corner of the screen allows you to go directly to a specific page. ► A battery saver mode can be enabled by highlighting the single page icon at the top right of the satellite page. Choose option “use with GPS off” if practicing without needing a signal to get actual locations. On the main menu page under set-up there is another battery saver mode for when you do require satellite reception. ► Always travel with back-up batteries!
What is Geocaching? ► One of the fastest growing “new” sports. ► Has participants in many countries outside of the US and Canada. ► Is a modern day treasure hunting activity that allows you to use GPS to locate a cache.
Rules for Geocaching 1. Take something from the cache 2. Leave something in the cache 3. Write about it in the logbook 4. Do not move the cache
How to find a geocache ► Geocaching is a fun way to practice using your GPS unit. ► People all over the world have left GPS locations for their cache in hopes of you finding them!!! ► Check out Type in your postal code to find a cache that already exists or you can create your own for others to find!!! ► Caches locations are on Google Earth – need klm file.