Garmin GPS III Plus Data Collection Guide

1. Garmin GPS III PlusDataCollection

2. Objectives • Collect: • - Waypoints • Average Position Waypoints • Reference Waypoints • - Multiple Tracks in One Track Log

3. Summary of Topics • Simulator • Mark Waypoint • Average Position Waypoint • Reference Waypoint • Tracks

4. Display Simulator Page* * Practice data collection indoors

5. Turn Simulator Onand Set Speed

6. Verify Simulator Working

7. Collect “Mark” Waypoint Press and hold Enter -All values frozen -No values stored yet

8. Modify Mark Waypoint Screen Waypoint Name, max 6 characters Waypoint Symbol DO NOT EDIT-needed for ArcView Used for “Offset” Current position

9. Change Waypoint Symbol Highlight Waypoint Symbol Use Rocker Keypad Press Enter

10. Change Waypoint Name Press Enter Highlight Waypoint Name Use Rocker Keypad

11. Use Rocker Keypad Store Mark Waypoint Highlight “Done” Press Enter

12. Verify Stored Waypoint

13. Collect Average Position -Start with Mark Waypoint This will be name of Average Position when stored Note initial position coordinates

14. Press Menu Select Average Position

15. Open Average Position Page Press Enter Note Estimated Accuracy and Measurement Count

16. Save Average Position When Estimated Accuracy and Measurement Count are acceptable press “Save”

17. View Stored Average Position 1 position 32 positions No indication this is an Average Position

18. Create Reference Waypoint - Offset from Existing Waypoint • Use where: • GPS signals are blocked • - location is inaccessible

19. Start with NewMark Waypoint Note initial position coordinates

20. Modify Fields Name of Reference Waypoint when stored Select from existing waypoints Enter bearing and distance from existing waypoint to reference waypoint Note final position coordinates

21. View Waypoints on Map Page Note: to view waypoints on Map Page match scale on Map Page to scale in Map Setup/Pnts/Zoom

22. Create Reference Waypoint - Offset from Current Position • Use where: • GPS signals are blocked • - location is inaccessible

23. Start with NewMark Waypoint Note initial position coordinates = current location

24. Modify Fields Name of Reference Waypoint when stored Using initial position coordinates Enter distance then bearing from current location to reference waypoint Note final position coordinates

25. View Waypoints on Map Page Current location or initial position coordinates Reference Waypoint Note: to view waypoints on Map Page match scale on Map Page to scale in Map Setup/Pnts/Zoom

26. If arrow present, then waypoint collected will be a Map Waypoint, not a GPS- calculated waypoint Caution!

27. Open Track Logs Page Press Enter

28. Display “Track Log Options” Press Menu

29. Press Menu Display “Setup Logging” Press Enter

30. Start 1st Track Collection by Setting Record Mode to “Fill” Highlight Field Press Enter Highlight Field Press Enter

31. Stop 1st Track Collection by Setting Record Mode to “Off” Highlight Field Press Enter Highlight Field Press Enter

32. Check Memory Press Quit

33. DO NOT CHOOSE “Save Active Log” This option saves: - only most significant positions - maximum 250 positions

34. Start 2nd Track Collection by Setting Record Mode to “Fill” Highlight Field Press Enter Highlight Field Press Enter

35. Stop 2nd Track Collection by Setting Record Mode to “Off” Highlight Field Press Enter Highlight Field Press Enter

36. View Track Logs on Map Page 2nd Track 1st Track

37. Check Memory After Collecting 2nd Track Note memory used increase as additional tracks are collected

38. Summary of Topics • Simulator • Mark Waypoint • Average Position Waypoint • Reference Waypoint • Tracks

40. Setup Logging – Record Mode Ends collection Collects until filled Collects until “Off” selected, will overwrite

41. Setup Logging - Time Position collected automatically based on a time interval Max: 1900 track log positions for Active Log Approximate collection time: 1 second Interval Value – 30 min 2 second Interval Value – 60 min 5 second Interval Value – 2.5 hours

42. Setup Logging - Resolution Position collected automatically based on deviation to the left or right Interval Value: -When deviation to the right or left exceeds this value a track point will be collected -Units either meters or feet

43. 1 Vs. 5 Second Interval DataMap View 1 sec interval 5 sec interval

44. 1 Vs. 5 Second Interval Data 1 second interval 5 second interval