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Message: <blockquote data-quote="SPY BOY" data-source="post: 14663138" data-attributes="member: 438215">Flightradar24 shows live air traffic from around the world. The primary technology we 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)ADS-B unit on aircraft transmits signal containing about the location (and much and more)ADS-B signal is picked up by a receiver connected to Flightradar24Receiver feeds data to Flightradar24Today, roughly 60% of all passenger aircraft (70% in Europe, 30% in the US) are equipped with an ADS-B transponder. This percentage is steadily increasing as ADS-B is set to replace radar as the primary surveillance method for controlling aircraft.</blockquote>

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