Winegard Sensar IV Replacement HD Antenna Head, Black. Optimized for the DTV spectrum, this amplified antenna with the Wingman UHF upgrade integrated into the Sensar head receives maximum VHF/UHF reception so you can enjoy watching the top rated local program in the best quality HD free! Connect to any Winegard Sensar lift assembly. For use while parked. Requires 46.25 inch Weight x 15.25 inch Diameter, unobstructed roof space while stowed. U.S. Patent D620, 483. Sensar IV Head only.