Get a head start on the NASA Centennial Challenge's ADS-B requirements by plugging a $20 USB dongle into your drone and tracking nearby aircraft:
- Start with an AR.Drone (or other ARM-based amateur drone).
- Buy a $30 USB dongle. See the rtl-sdr wiki for recommendations.
- Compile and install the dump1090 Mode S/ADS-B decoder software with my easy-to-use cross-compiler setup: ardrone-dump1090-cross-compiler
- Plug in the receiver.
And now you're decoding packets:
ADS-B sense-and-avoid is seen as critical to integrating unmanned aircraft into the National Air Space, and this is the beginning of a cheap "sense" solution. Next up: "avoid".