Azimuth and elevation drive mechanism for the Antenna and Multipath Calibration System parabolic reference antenna.
The Dorne-Margolin chokering antenna to be tested is in the foreground; the Antenna and Multipath Calibration System parabolic
reference antenna is in the background.
The Trimble receivers and control computer for the Antenna and Multipath Calibration System.
The Antenna and Multipath Calibration System reference antenna.