> Was curious if ground vehicles at airports also use transponders to communicate position […] They do at CYYZ (Toronto Pearson): * https://www.flightradar24.

> Was curious if ground vehicles at airports also use transponders to communicate position […] They do at CYYZ (Toronto Pearson): * https://www.flightradar24.com/43.68,-79.63/13 https://www.flightradar24.com/43.68,-79.63/13 (zoomed in) * https://www.flightradar24.com/airport/yyz https://www.flightradar24.com/airport/yyz Also at CYUL (Montreal Trudeau) and CYVR (Vancouver International).