Tag
The author demonstrates how a barely audible propeller plane’s Doppler curve in a video’s background audio can be combined with ADS-B flight data, CPA time delays, silence filtering, and other layers of screening to narrow millions of candidate points down to an exact location, showcasing the powerful potential of audio signals for geolocation.
Reminder: Using a Raspberry Pi connected to an ADS-B receiver in China and transmitting data to overseas platforms may violate the Counter-Espionage Law and the Data Security Law. There have already been cases where individuals were summoned by the National Security Agency for investigation.