Abstract: A pivotal mounting bracket is provided for the mounting and concealed storage of an audio antenna upon and within the trunk of an automobile. The bracket comprises an orthogonally pivotal structure, a first end of which is adapted for mounting upon the underneath side of an automobile trunk lid. A second, opposed end of the bracket is adapted for positioning outside the automobile and supporting an antenna upstanding therefrom. The intermediate bracket portion between said ends is configured for interpositioning between the trunk lid and automobile body portion adjacent thereto for facilitating the use of the trunk without interfering with the antenna mounted thereon. The orthogonal pivotability of the bracket then permits the rotation of the antenna from vertical to horizontal positioning and the rotation of the bracket and antenna from a position outwardly extending from the trunk lid to a secured orientation thereunder and in close proximity thereto for efficient concealed storage within the trunk.