Radiating line radio frequency identification system for locating and/or tracking personnel, equipment, machinery and vehicles comprised of receivers, beacons and transmitters; software for use in database management for locating and/or tracking equipment, vehicles, machinery and personnel; computer programs for monitoring, tracking and/or locating personnel, equipment, machinery and/or vehicles; communication equipment, namely, amplifiers, radiating transmission cable, end units for terminating a length of radiating transmission cable, branch units for branching two or more radiating transmission cables, power supplies, beacons, transponders and computer communication software to allow information regarding location of personnel, equipment, machinery and vehicles to be transmitted and received to, from and within an underground environment; transmitters; receivers; transponders; beacons; a radio frequency identification system for locating and/or tracking personnel, equipment, machinery and/or vehicles and communicating the locating and tracking information to a database via a network comprising a leaky cable radio system, a radiating transmission cable, a fiber optic cable and/or a telephone cable

Installation and maintenance of underground communication systems; installation and maintenance of radio frequency identification systems for locating and/or tracking personnel, equipment, machinery and vehicles; installation and maintenance of radio frequency identification systems