Communications Systems For Coal Mines

Communications Systems For Coal Mines

2020-4-6POST-ACCIDENT COMMUNICATIONS As of February 2014, there were 306 active underground coal mines in the U.S., all using either leaky feeder or node-based post-accident communications systems. Leaky feeder systems have been around for many years, and have been adapted since the MINER Act was passed to serve as post-accident communications systems.


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