Abstract: A log periodic dipole antenna in which some, or preferably all, of the mechanical attachments do not include metal-to-metal contact points. In particular, the antenna elements, which are cantilevered from a ground plate, are mechanically supported by and capacitively coupled to the ground plate with a dielectric adhesive material, such as a sufficiently sturdy dielectric tape. Other attachments to the antenna element, such an antenna feed circuit and a signal coupler, may also be assembled with the dielectric adhesive material. This type of construction capacitively couples the operative elements of the antenna and avoids passive intermodulation (PIM) interference and electromechanical corrosion that is often caused by metal-to-metal attachment points.