1 Holux M-241 GPS Data LoggerLt Col John Aylesworth CAP Deputy Director, CAWG Operational Readiness - Technology & Equipment
2 Holux M-241 GPS Data Logger Introduction and UseThe Holux M-241 is a GPS data logger capable of storing 130,000 waypoints. The intended use for CAWG Civil Air Patrol is to record aircraft / vehicle ground tracks during a search. This use will enable an accurate assessment of grid coverage for mission planning purposes.
3 Holux M-241 GPS Data Logger Prior to the SortieFollow the Quick Start Guide and checklist to prepare the unit for use by: Installing a new AA battery Erasing memory of any previous waypoints Confirming settings
4 Holux M-241 GPS Data Logger At the AirplaneFollow the Quick Start Guide and checklist to: Hang the M-241 from the cord near a window Turn the unit ON using the small switch on the bottom
5 Holux M-241 GPS Data Logger At the AirplaneStart logging prior to departure by pressing the Enter button Note the “running man” icon on the left of the display after pressing Enter
6 Holux M-241 GPS Data Logger After the Sortie is CompleteFollow the Quick Start Guide and checklist to: Stop logging after landing or arrival by pressing the Enter button Turn the unit OFF Turn unit in to Debriefer (along with cable) to download waypoints
7 Holux M-241 GPS Data Logger Post Sortie ProcessingTurn the unit ON Use the USB cable to connect the logger to a computer or, alternatively, use a Bluetooth connection Run the HOLUX ezTour for Logger software
8 Holux M-241 GPS Data Logger Post Sortie ProcessingSelect File | Read Device Log
9 Holux M-241 GPS Data Logger Post Sortie ProcessingSelect Read Log Only from the dialog box
10 Holux M-241 GPS Data Logger Post Sortie ProcessingSelect the file to download and click OK … and ezTour will read the waypoints.
11 Holux M-241 GPS Data Logger Post Sortie ProcessingezTour will then display the ground track
12 Holux M-241 GPS Data Logger Post Sortie processingChoose File | Save Project As and select a meaningful name such as: 12-T-6692 A JUL-12 N718CP GPS Log
13 Holux M-241 GPS Data Logger Post Sortie processingThis will save the ezTour project file with an *.itm filename extension If photos were taken on the sortie, they may also be associated with the project as follows Select Photo/Media | Add Media Files | From Folder Navigate to the location where the photos from the sortie are stored and select the folder
14 Holux M-241 GPS Data Logger Post Sortie processingezTour associates photo’s with GPS coordinates and displays a camera icon along the track.
15 Holux M-241 GPS Data Logger Post Sortie processingSelect File | Export as KMZ and enter an appropriate filename such as: “12-T-6692 A JUL-12 N718CP GPS Log.kmz” This exports a file you can use to view the track in Google Earth
16 Holux M-241 GPS Data Logger Post Sortie processingTrack Displayed in Google Earth
17 Holux M-241 GPS Data Logger Post Sortie processingTurn off the GPS Logger and unplug it from the PC Return the GPS Logger to the aircrew / ground team Upload / Send *.itm and *.kmz files and photos along with sortie worksheets to Planning for analysis.