Can you elaborate on this? Why is it doxxing? Maybe my non-native and limited English language skills don't help me with some of the terms used online.
You can actually track planes using a cheap SDR dongle, a homemade antenna and any cheap computer.
The data are transmitted openly for anyone to assist air traffic management, crash avoidance and search & rescue if need be.
How this is doxxing since we don't know the manifest of the passengers? Could be anyone.