The purpose of this paper was to briefly discuss the history of mine rescue team communication and inform the mining community of several new mine rescue team communication systems used by mine rescue teams during mine rescue training research sessions at Lake Lynn Laboratory. There are a number of other new mine rescue team communication systems in development or already submitted for MSHA approval. None of the mine rescue team communication systems demonstrated at Lake Lynn Laboratory met all the needs identified by MRTs. However, major improvements have been realized in comparison to the voice-activated or sound-powered systems developed in the 1940s. The next step is to investigate the MRT communications systems in use or being developed internationally and continue to demonstrate promising technologies under real world training simulations for the U.S. mining industry.
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