2. Tools of the Trade GPS Communication Software GPS Mapping ProgramTarpits and Tips GPS

3. GPS - The Big Picture Discuss GPS Accuracy Review of GPS Receiver Types Why the Garmin GPS III Plus? Summary Tools of the Trade - Part I Garmin GPS III Plus

4. GPS and Fire Applications GPS and Navigation GPS and Digital Data Collection GPS and Burned Area Rehab (BAER) GPS - The Big Picture

5. Depending on size of fire, GPS will play a critical role in... –Marking location –Updating fire perimeter –Mapping fire effects –Mapping resources at risk –Data depicted in IAP next morning

6. Fire Incident Plans Cycle GPS Field Work GIS Data Transfer

7. Unique Aspects of Fire Mapping 25 acres 10 mile perim. Scale Environment Mode of Collection Quantity of Units Technical Skill Levels

8. GPS - The Big Picture Discuss GPS Accuracy Review of GPS Receiver Types Why the Garmin GPS III Plus? Summary Overview

9. How Accurate is GPS? *Dave Turner, UN/USA GNSS Workshop, April 2002 http://www.oosa.unvienna.org/SAP/act2002/gnss1/ presentations/session01/speaker01/ Specifications from Dept. of Defense 74 ft (22.5 m) 246 ft (75 m) Total Stand-Alone Horizontal Accuracy – 95% Without SAWith SA

10. Accuracy Comparisons *David L. Wilson's GPS Accuracy Web Page http://users.erols.com/dlwilson/gps.htm 22 ft (6.7 m)9 ft (2.7 m)eTrex 24.6 ft (7.5 m)11.1 ft (3.4 m)III Plus 32.5 ft (9.9m)14.4 ft (4.4m)12XL 95% (2dRMS) 50% (CEP) Garmin 24.6 ft (7.5 m)11.1 ft (3.4 m)III Plus

11. GPS - The Big Picture Discuss GPS Accuracy Review of GPS Receiver Types Why the Garmin GPS III Plus? Summary Overview

12. Review of GPS Receiver Types Consumer Grade –Navigation, Basic Mapping, Fun

13. Review of GPS Receiver Types Mapping/GIS Grade –GIS Features and Attributes

14. Review of GPS Receiver Types Survey Grade –Boundaries, Precise Control Networks, Vertical Measurements

15. Decision Factors for the Fire GPS Tool Accuracy Cost (hardware) Nerd Factor Scale Miscellaneous Factors –Storage –Strategy

16. Survey Grade Accuracy: mm - decimeter Costs: forgettaboutit Nerd Factor: Storage: weeks worth of data Strategy: network adjustments Lots of equipment

17. Mapping/GIS Grade Accuracy: 1meter - 5meter Costs: $10,000 - $3,000 Nerd Factor: Storage: days worth of data Strategy: GIS update Misc...: –post-process software NERD

18. Consumer Grade Accuracy: 3meter - 7meter Costs: $1500 - $150 Nerd Factor: Storage: hours worth of data Strategy: waypoints, simple lines Misc.... –handheld, moving map display

19. Consumer Grade GPS Wins! Reasonable accuracy for mapping large things Low receiver cost Low nerd scale Strategy set to enhance navigation capabilities Low attribution requirements

20. The Big Picture Discuss GPS Accuracy GPS by Receiver Types Why the Garmin GPS III Plus? Summary Overview

21. Consumer Grade GPS Consumer Grade Manufacturers Garmin –Recognized World Leader –High Support

22. Garmin GPS III Plus $299 12 Channel GPS Receiver 1.4 MB of Map memory* 20-30 hours of battery life *Purchase of MapSource TOPO CD + $99

23. Garmin III Plus Unique Aspects –Antenna (Quadrifilar Helix) –Form factor for placement on a dash –Averages waypoints Other Models (e.g. eTrex) –No time/date in comment field –No external antenna –No averaging

24. Garmin III Plus Limitations Less accurate than other models Less map and track memory than other models Missing other features: –Digital Compass –Altimeter

25. GPS and Fire Consumer grade GPS satisfies... –accuracy –costs Garmin III Plus - preferred model for this class Summary

26. Use the Garmin III Plus Use the Garmin III Plus often Tomorrow - next in the series: –GPS Communication Software What’s in Store