How does ADS-B work?

Automatic Dependent Surveillance-Broadcast (ADS-B) technology is fundamental to how Flightradar24 tracks flights. In this video we explore how ADS-B works and look at it's major components, including how this technology enables aircraft to broadcast their callsign, position, altitude, speed, and other important data. As well as the range of ADS-B broadcasts, satellite based ADS-B and future uses and benefits. Useful links: ADS-B overview: https://www.flightradar24.com/blog/ads-b/ How does an ADS-B receiver work: https://www.flightradar24.com/blog/ads-b/how-does-an-ads-b-receiver-work/ The future of ADS-B: https://www.flightradar24.com/blog/ads-b/future-uses-of-ads-b/ ADS-B uses & applications: https://www.flightradar24.com/blog/ads-b/ads-b-uses-and-applications/ 00:00 - Intro 00:17 - ADS-B overview 00:47 - Data processing 01:00 - Coverage limitations 01:24 - Space based ADS-B 01:40 - The future of ADS-B