Holux M-241 GPS Data Logger Lt Col John Aylesworth CAP Deputy Director, CAWG Operational Readiness - Technology & Equipment

Holux M-241 GPS Data Logger Introduction and Use The 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.

Holux M-241 GPS Data Logger Prior to the Sortie Follow 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

Holux M-241 GPS Data Logger At the Airplane Follow 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

Holux M-241 GPS Data Logger At the Airplane Start logging prior to departure by pressing the Enter button Note the “running man” icon on the left of the display after pressing Enter

Holux M-241 GPS Data Logger After the Sortie is Complete Follow 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

Holux M-241 GPS Data Logger Post Sortie Processing Turn 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

Holux M-241 GPS Data Logger Post Sortie Processing Select File | Read Device Log

Holux M-241 GPS Data Logger Post Sortie Processing Select Read Log Only from the dialog box

Holux M-241 GPS Data Logger Post Sortie Processing Select the file to download and click OK … and ezTour will read the waypoints.

Holux M-241 GPS Data Logger Post Sortie Processing ezTour will then display the ground track

Holux M-241 GPS Data Logger Post Sortie processing Choose File | Save Project As and select a meaningful name such as: 12-T-6692 A036 23-JUL-12 N718CP GPS Log

Holux M-241 GPS Data Logger Post Sortie processing This 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

Holux M-241 GPS Data Logger Post Sortie processing ezTour associates photo’s with GPS coordinates and displays a camera icon along the track.

Holux M-241 GPS Data Logger Post Sortie processing Select File | Export as KMZ and enter an appropriate filename such as: “12-T-6692 A036 23-JUL-12 N718CP GPS Log.kmz” This exports a file you can use to view the track in Google Earth

Holux M-241 GPS Data Logger Post Sortie processing Track Displayed in Google Earth

Holux M-241 GPS Data Logger Post Sortie processing Turn 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.