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Flightradar24 is a global flight tracking service that provides real-time information about thousands of aircraft around the world.
Flightradar24 combines data from several data sources including ADS-B, MLAT and radar data. The ADS-B, MLAT and radar data is aggregated together with schedule and flight status data from airlines and airports to create a unique flight tracking experience on www.flightradar24.com and in Flightradar24 apps.
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The primary technology that Flightradar24 use to receive flight information is called automatic dependent surveillance-broadcast (ADS-B). The ADS-B technology itself is best explained by the image to the right.
– Aircraft gets its location from a GPS navigation source (satellite)
– The ADS-B transponder on aircraft transmits signal containing the location (and much more)
– ADS-B signal is picked up by a receiver connected to Flightradar24
– Receiver feeds data to Flightradar24