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GPS Workshop


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An Introductory Workshop on how to use a GPS and how they function.

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GPS Workshop

  1. 1. Introduction to GPS Technology Vince DiNoto Co-PI National GeoTech Center [email_address] Funded by National Science Foundation DUE 0801893
  2. 2. National Geospatial Technology Center of Excellence Empowering colleges to expand the geospatial workforce. Vince DiNoto Dean of College and Systemic Initiatives [email_address] Funded by National Science Foundation DUE 0801893
  3. 3. Spatial Thinking vs Jobs <ul><li>What are the educational requirements? </li></ul><ul><li>Where are the jobs? </li></ul><ul><li>What are the tasks? </li></ul><ul><li>What is spatial literacy? </li></ul>
  4. 4. What is the GeoTech Center <ul><li>An NSF funded ATE National Center of Excellence </li></ul><ul><li>Single point of contact for two year colleges </li></ul><ul><li>A Geospatial curriculum repository </li></ul><ul><li>A data warehouse (data, static maps, dynamic maps) </li></ul><ul><li>A best practice in Geospatial </li></ul>
  5. 5. GeoTech Center Players
  6. 6. Contacting Us <ul><li>Vince DiNoto </li></ul><ul><li>[email_address] </li></ul><ul><li>502-213-7280 </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul>
  7. 7. Resources <ul><li>GPS Information </li></ul><ul><li>Geospatial Information </li></ul>
  8. 8. What is a Global Position Device (GPS) <ul><li>It is a device which receives </li></ul><ul><li>information from satellites </li></ul><ul><li>The device is a receiver only, </li></ul><ul><li>some devices have transmitters </li></ul><ul><li>associated with them, but only </li></ul><ul><li>to a cell phone type connection. </li></ul><ul><li>Some devices have a GPS like function from Cell Phone Towers. </li></ul><ul><li>There are ground based GPS Stations </li></ul>
  9. 9. How does a GPS Work <ul><li>24 GPS Satellites orbit the </li></ul><ul><li>earth every 12 hours. </li></ul><ul><li>~11,000 miles above the earth </li></ul><ul><li>Each satellite has an atomic </li></ul><ul><li>clock </li></ul><ul><li>Each satellite sends out a time signal at speed of light </li></ul><ul><li>The difference in the time reading can determine the distance to the satellite </li></ul>
  10. 10. How does a GPS Work (cont.) <ul><li>If you can determine the </li></ul><ul><li>distance to the satellite you </li></ul><ul><li>can determine your position </li></ul><ul><li>on earth </li></ul><ul><li>The more satellites better the accuracy </li></ul><ul><li>Can do three dimensional positioning </li></ul><ul><li>Ground based stations increase accuracy </li></ul><ul><li>Clear days better signals and better accuracy </li></ul>
  11. 11. Wide Area Augmentation System WAAS <ul><li>Ground based positions </li></ul><ul><li>Only North America </li></ul><ul><li>Local Ground based stations </li></ul>
  12. 12. Data Collection <ul><li>Waypoints </li></ul><ul><ul><li>A location recorded either on the GPS or placed into the GPS </li></ul></ul><ul><ul><li>Naming points use a notebook instead trying to write a name on the GPS </li></ul></ul><ul><ul><li>Photograph point </li></ul></ul><ul><ul><li>Adding Geotags to your pictures </li></ul></ul>
  13. 13. Types <ul><li>Handheld </li></ul><ul><ul><li>May or may not have a map screen </li></ul></ul><ul><li>Car Mounted </li></ul><ul><ul><li>Map Screen </li></ul></ul><ul><li>Computer Connected </li></ul><ul><ul><li>Maps on Computer Display </li></ul></ul><ul><li>Cell Phones </li></ul><ul><li>PDA </li></ul><ul><li>Kindle </li></ul><ul><ul><li>Cell Phone position </li></ul></ul><ul><li>Camera Connection </li></ul>
  14. 14. Interface <ul><li>Serial – many computers do not have a Serial connection any longer. Cable can be purchased to go into USB port </li></ul><ul><li>USB – best solution </li></ul><ul><li>Bluetooth – wireless solution </li></ul><ul><li>Software </li></ul><ul><ul><li>Purchase </li></ul></ul><ul><ul><li>Free </li></ul></ul><ul><ul><ul><li> </li></ul></ul></ul><ul><ul><ul><li>Google Earth </li></ul></ul></ul>
  15. 15. Uses <ul><li>Agriculture </li></ul><ul><li>Travel </li></ul><ul><li>GeoCaching </li></ul><ul><ul><li> </li></ul></ul><ul><ul><li> </li></ul></ul><ul><ul><li> </li></ul></ul><ul><li>History </li></ul><ul><li>Environmental Studies </li></ul><ul><li>Energy Studies </li></ul>