radio communication device / electronic equipment / electric equipment / underground mining / electrical power systems / atmospheric monitoring systems / electromagnetic energy / electrical equipment / radio communication devices / radio communications device / mine operator / communication systems / electrical/electronic systems / machine control systems / energy / /
Organization
International Electrotechnical Commission / EMI / U.S. Department of Labor Mine Safety and Health Administration SAFETY ALERT RFI / /
12 FebruaryTechnical Information Bulletin TITLE: Underground Mining Radio Control System Transmitter Interference By Hand Held Two Way Radio