4 ms·Drones (generally) don't use ADS-B in or out.by jaywalk 4y agoDrones (generally) don't use ADS-B in or out.krisoft 4y agoOkay, then what is a “GPS transponder”?jaywalk 4y agoI'm guessing the comment was referring to the drone having a GPS receiver and relaying it's position to the base station.