Range navigation radiotechnical system. Terms and definitions
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Loudspeaker communications. Terms and definitions
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Radio communication. Terms and definitions
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Signal-conversion equipment for radio voice-frequency channels. Types and basic parameters
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Global navigation satellite system. Civil local area reference integrity monitoring station. Technical requirements
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Global navigation satellite system. Navigation equipment for automobile transport. Technical requirements
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Grounds for stationary telegraph and telephone installations, wire-broadcasting distribution points, radio-relay stations and CATV antennas. Resistance norms
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Audio/video, information and communication technology equipment. Part 1. Safety requirements
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Signal conversion equipment for switched and unswitched voice frequency channels. Methods tests
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Sound broadcasting picture channels connecting line. Basic parameters. Methods of measurements
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Aircrafts and helicopters. Antenna feeder devices of connection, navigation, landing and air traffic control. General technical requirements, parameters, methods of measurements
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Electronic aids for communication and information. Operational documents. Types and rules of implements
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