Antenna mount

An antenna adapter for attaching a communications antenna to a vehicle equipped with an original equipment roof-mounted antenna, the original equipment roof-mounted antenna having a footprint defined by a forward wall, a rearward wall and a plurality of lateral walls, the original equipment roof-mounted antenna having an electrical cable passing through an original equipment cable aperture in the vehicle roof, the antenna adapter comprising:

• a spacer comprising a generally oblong body having an upper surface, a lower surface and a peripheral surface, the peripheral surface comprising a front wall and a rear wall joined by a plurality side walls, the peripheral surface being at least as large as the footprint of the original equipment roof-mounted antenna, the upper surface of the spacer having a mounting surface extending outward beyond the footprint of the original equipment roof-mounted antenna;
• the mounting surface of the spacer adapted to receive an antenna mount, the spacer further comprising an oblong recess for receiving an antenna cable passing from the antenna mount to the vehicle interior, the spacer further comprising at least one through-hole that communicates with the original equipment cable aperture in the vehicle roof;
• and
• a support bracket, the support bracket comprising a solid body having at least one aperture aligning with the original equipment cable aperture in the vehicle roof.