By BBC World Service
Published August 09, 2022 3:00pm
Were you one of the 2.92million people who was watching Nancy Pelosi fly into Taiwan on FlightRadar24 bypassing Chinese bases in the South China Sea as it approached Taipei? It’s one of the most popular flight tracking sites in the world and uses open standard surveillance technology which allows planes to transmit their location data to anyone with a receiver. As the receivers are fairly inexpensive it now has a network of more than 30,000 and collects data from other sources too like satellites. These data sources aren’t blocked which is why so many flights can be tracked (alth...