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ADS-B

Automatic Dependent Surveillance–Broadcast (ADS-B) enables aircraft to broadcast their precise position, speed, and other vital information, enhancing situational awareness for pilots and air traffic controllers. Unlike traditional radar systems, ADS-B operates in real-time, providing more accurate and timely data. ADS-B technology is fundamental to the way Flightradar24 tracks flights.

Find out more about ADS-B here:

Inside Flightradar24

How installing an ADS-B receiver improved flight tracking at these airports

We’re continuously working to enhance flight tracking coverage. The installation of new Flightradar24 ADS-B receivers in key locations at airports around the world is…

Aviation safety

Close encounters of the CRJ kind in Syracuse

The FAA is investigating how two CRJ-900s came close enough to trigger a TCAS alert in Syracuse on 8 July. The incident involved an…

Videos

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…

Inside Flightradar24

Our most wanted ADS-B receiver locations in April 2024 – help us power global flight tracking

Flightradar24 is powered by the largest global network of independent ADS-B receivers, collecting multiple data points from hundreds of thousands of aircraft each day…

Inside Flightradar24

How does Flightradar24 track aircraft?

Flightradar24 is a global flight tracking service that shows live air traffic from around the world, but how does it actually work? We combine…

Inside Flightradar24

Understanding altitude on Flightradar24

Flightradar24 is powered by ADS-B data fed directly from thousands of aircraft around the world. The aircraft’s onboard equipment communicating with our global network…

Inside Flightradar24

20 Most Wanted Receiver Locations in the US

With more than 30,000 ADS-B receivers connected to Flightradar24, we maintain the largest receiver network in the world. But we’re always looking for additional receiver hosts…

Videos

How to build and set up a Flightradar24 ADS-B receiver

In this tutorial video you’ll learn step-by-step how to build and activate your own ADS-B receiver using a raspberry Pi and feed the data…

New receivers

New Flightradar24 ADS-B Receivers Activated in November 2019

Each month we send out complete ADS-B receiver kits that include an ADS-B receiver, antennas, and all necessary cabling to qualified hosts. You can apply to host one…