An antenna assembly for mounting on the roof of a recreational vehicle includes a planar antenna structure configured to receive UHF/VHF signals and a shark fin shaped body sized to surround the planar antenna structure vertically oriented relative to the vehicle. The body includes a mounting flange adapted to be fastened to the roof of the vehicle, and a cover attached to the body to completely enclose the planar antenna structure. The cover includes a flange extending from a bottom surface of the cover for engagement within a complementary opening in the roof of the vehicle. The antenna structure includes a printed circuit board with electrical terminals extending therefrom into the flange for connection to TV cables of the vehicle.