ADS-B isn’t a complex or encrypted signal. In fact, anyone with a cheap RTL-SDR can receive the signal. Aviation buffs know how cool it is to see a map of all the aircraft flying above your house.

Even the use of the ADS-B is still under investigation. Investigators have revealed that the UH-60 Black Hawk helicopter that collided with American Airlines Flight 5342 over the Potomac River was ...