Tools of the Trade

1. GPS CommunicationSoftware GPS GPS Mapping Program Tarpits and Tips Tools of the Trade

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

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

4. GPS - The Big Picture • 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

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

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

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

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

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

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

11. Consumer Grade • Navigation, Basic Mapping, Fun Review of GPS Receiver Types

12. Review of GPS Receiver Types • Mapping/GIS Grade • GIS Features and Attributes

13. Survey Grade • Boundaries, Precise Control Networks, Vertical Measurements Review of GPS Receiver Types

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

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

16. NERD 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

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

18. 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

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

20. Consumer Grade GPS • Consumer Grade Manufacturers • Garmin • Recognized World Leader • High Support Lowrance Garmin Magellan

21. 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

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

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

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

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