Disclosed is a system and method for tracking location of objects (personnel) at a site. The system comprises: a central server, plurality of remote locator tags disposed on the objects, plurality of remote repeater devices capable of transmitting data signals to locate the locator tags, receiving location data signals from the locator tags, and transmitting the location data signals to the central server. A plurality of databases having location information are connected to the central server and a processing unit with a tracking software operably connected to the central server, compiles and assembles the location data signals and location information for tracking the objects at the site, thereby establishes a real time location tracking and communication with the objects. The system also enables setting up ad-hoc networks fully functioning on power and signals independent of the primary systems of the site and enhances decision making in real time environment.