Garmin GPS III Plus Data Collection

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

Summary of Topics Simulator Mark Waypoint Average Position Waypoint Reference Waypoint Tracks

Display Simulator Page* Practice data collection indoors *

Turn Simulator On and Set Speed

Verify Simulator Working

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

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

Change Waypoint Symbol Use Rocker Keypad Highlight Waypoint Symbol Press Enter

Change Waypoint Name Highlight Waypoint Name Use Rocker Keypad Press Enter

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

Verify Stored Waypoint

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

Select Average Position Press Menu

Open Average Position Page PressEnter Note Estimated Accuracy and Measurement Count

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

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

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

Start with New Mark Waypoint Note initial position coordinates

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

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

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

Start with New Mark Waypoint Note initial position coordinates = current location

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

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

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

Open Track Logs Page Press Enter

Display “Track Log Options” PressMenu

Display “Setup Logging” PressMenu PressEnter

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

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

Check Memory Press Quit

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

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

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

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

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

Summary of Topics Simulator Mark Waypoint Average Position Waypoint Reference Waypoint Tracks

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

Setup Logging - Time 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 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 Position collected automatically based on a time interval

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 Interval Value: -When deviation to the right or left exceeds this value a track point will be collected -Units either meters or feet

1 Vs. 5 Second Interval Data Map View 1 sec interval 5 sec interval

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