Strata Worldwide Goes Wireless With CommTrac Underground Communication System
Strata CommTrac is a completely wireless, intrinsically safe and MSHA approved, two-way text communications and tracking system for underground mining. It is a self-forming, self-healing, node-based system that communicates on a mesh architecture. Simple “pick and place,” node-to-node configuration that does not require a hard-wire backbone or the implementation of a pre-existing communication system.
CommTrac consists of a network of fixed Communication Nodes and mobile Miner Communicator devices which wirelessly transmit data to a surface monitoring station. The underground nodes are powered by four standard D-cell alkaline batteries and have a life span of approximately ten months. There is no recharging or external power source required. The miner-worn Miner Communicators are powered by lightweight rechargeable batteries.
CommTrac tracking in day-to-day operations, as well as post-accident situations, is accurate to within 50 feet and visible on a digital mine map at the surface. Two-way text messaging can be either point to point communication or broadcast messaging in freeform or canned form.
Strata CommTrac complies with MSHA’s PPL P11-V-13 by providing post-accident two-way communication between miners underground and surface operators, as well as real-time electronic tracking.
Benefits of CommTrac
A significant advantage of the Strata CommTrac is the simplicity and low cost of the components, installation and maintenance. Rugged 12.5-inch x 4-inch inch nodes with internal antennas, are secured in strategic locations around the mine where they are immediately operational. Simple battery or node replacement eliminates the need for costly repairs. Installation, expansion, and advancement of the system does not require a certified electrician. CommTrac has a very low annual recurring cost.
MSHA Approvals
23-A100012-0 Miner Communicator
23-A100008-0 fixed Communicator Node
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