ADS-B IN and ADS-B OUT

ADS-B OUT refers to an aircraft broadcasting own-ship information. ADS-B IN refers to an aircraft’s ability to receive ADS-B information, such as ADS-B messages from other aircraft or Traffic Information Services-Broadcast (TIS-B), Automatic Dependent Surveillance – Rebroadcast (ADS-R) from the ground infrastructure, and (FIS-B) weather information.