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The number of ADS-B receivers in the Flightrader24 network. The surveillance technology allows volunteers to track planes
Spotlight / Technology
en-gb
2022-08-12T07:00:00.0000000Z
2022-08-12T07:00:00.0000000Z
https://theguardianweekly.pressreader.com/article/282054805805122
Guardian/Observer
