On Tuesday 7 December 2021, Aeronautical Radio of Thailand Ltd. (AEROTHAI) has presented the new application including Location Tracking and Job Activity Report or JTrack operating via Digital Trunked Radio System: DTRS to the management and operation level of Ground Service Department, especially Passenger Bus division, Thai Airways International, PCL at Suvarnabhumi International Airport. According to the TG operating plan, AEROTHAI has also delivered 20 sets of DTRS MOTOROLA, MTP8550Ex (IS) to the Passenger Bus division in order to trial the operating JTrack application between Push Back and Cargo Tractor divisions. In addition, the ground service department plans to extend this operation to other divisions.