Check the listing for details. Flight Logger, PathFinder. Condition: New. Listed at 80.00 USD. - PathFinderThe pathfinder is a flight logger for model aircraft. It records the position and orientation of the model during a flight.The accurate flight path and attitude log are from range of sensors including 3-axis gyros, 3-axis accelerometers, barometer, magnetometer (compass) and GPS with 15 ~ 25 points per second.- SpecificationSize : 75.5 X 41.5 X 17 mm, (2.97" X 1.63" X 0.67")Weight : 42 g (1.45 oz)Input voltage : 5 Vcurrent consumption : 30 mAConnector type and wire length : JR type, 250 mm- ContentsPathFinder -------------- 1 pcs5V Regulator ------------ 1 pcsInstruction manual ------ 1 pcsProton sticker ----------- 1 pcsVelcro type ------------- 1 pcs Micro SD memory card (San disk Extreme and Extreme plus recommended)*, USB 2.0 A Male to Micro B Male (5-Pin) Cable** These items are not included in the package.- Installation1. Before installation, the calibration should be done at the Mission Planner. https://ardupilot.org/.../mission-planner-installation.html2. Set the triangle mark on the case towards the front of plane and fixed the pathfinder at the position center line of the plane and parallel with ground.3. Input the power plug in the extra slot of receiver. If the voltage of receiver battery is 6 ~ 7.4V, plug in the 5V regulator between the pathfinder and the receiver.4. Upside down the SD card and insert in the slot at the side of pathfinder. Notice : Do not install on or behind the receiver, ESC, servos and battery pack. Thay can disturb the reception of GPS signal. - OperationPower on the receiver and wait* till the blue and yellow (or green) LED on (not blinking).*Wait for a while for the GPS positioning time.(Cold start : 2 minutes, Hot start : 20 seconds, Warm start : 30 seconds)Take off the model.Reference :https://www.flightcoach.org/https://www.facebook.com/ProtonControlSystemshttps://www.ardupilot.org/planner/