The Antenna Positioner consists of the mast for the receiving antenna (antenna under test), a drive motor, a signal detector, a variable attenuator, and a shaft encoder. The drive motor is used to rotate the mast while the
rotation is controlled by the LVDAMANT software via the Data Acquisition Interface. An SMA connector, mounted on the base of the mast, allows a connection to be made between the receiving antenna and the signal detector. This detector provides a
signal whose voltage depends on the level of the RF signal received. This signal is available on a BNC connector for connection to the Data Acquisition Interface.