According to this research, an ADS-B out antenna is a significant source of radio emission. Does an installation of ADS-B out equipment significantly increase the threat of the aircraft being locked on by a modern fire-control radar? It really concerns me. 9/4 Edit: One of greatest threat ever to GA aircraft may be realized soon: AIM-9X modified with a Stratux ADS-B receiver. A cost-effective $100 modification to the already deadly sidewinder missile. The hostile aircraft doesn't even need LOS to lock on to your Cessna. The Wi-Fi and Bluetooth connectivity also makes it ForeFlight compatible. This is pure nightmare.