1, ground equipment: ground equipment is an important part of the aviation positioning and direction system, including ground base station, ground antenna and ground processing station. Ground base station is responsible for sending positioning and orientation information and navigation signals to the air equipment, the ground antenna is used to receive the signals sent by the air equipment.
2, airborne equipment: airborne equipment is installed in the aircraft equipment, including airborne antennas, airborne receivers, computers and display devices. The onboard antenna is used to receive signals sent by ground equipment, and the onboard receiver is responsible for decoding and processing the received signals.