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Microstrain have provided discounted pricing on a 3DM-GX-45 GPS aided inertial navigation system for use in the 2011/12 Outback UAV challenge. 

Key features of the 3DM-GX3-45:

  • Fuses data from GPS and AHRS to provide single optimal navigation solution.
  • RS232 or USB interface (I went for RS232).
  • Can compensate very well for GPS outages of 30 seconds.
  • Tiny size (24mm x 44mm)


Hi All,

I am currently being plagued by PPM encoder issues so i have been unable to fly the plane yet but i have forced on and achieved the following:

  • Installed Autopilot and failsafe electronics.
  • Installed & tested water bottle drop mechanism
  • Installed and calibrated IR sensors.
  • Installed & tested GPS
  • Due to issues with the ppm encoder i have only achieved partial system integration however I am still able to switch between full-auto mode and full-manual mode via a workaround.

The jiffy box houses the Autopilot - Encoder - RC receiver - Failsafe device.


Tagged in: Paparazzi UAV , Maja , IR , Intergration , GPS