For Sale is an antenna rotator manufactured by Aiga of Japan, Model No ART-3000C. The rotator specified wind load area is 0.54 sqm with a stall torque of 800 kg-cm, and a brake torque of 1700 kg-cm. The clamps will suit either 35 or 54 mm pipe, with a rotation time of 45 to 60 seconds. Manufactured circa 1980s. A length of interconnection cable is included.