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Australian Communication & Media Authority

Related Terms


1. An instrument used to measure continuously or at intervals a condition that must be kept within prescribed limits, such as radioactivity at some point in a nuclear reactor, a variable quantity in an automatic process control system, the transmissions in a communication channel or bank, or the position of an aircraft in flight. 2. To use meters or special techniques to measure such a condition. 3. A person who watches a monitor.


The system of communication linking together the components of a single robot.


1. A worker who sets up and repairs communication and power lines. 2. An assistanttoasurveyor.


The officer who operates and controls the shipboard communication equipment.


The transfer of intelligence between points. If by wire, radio, or other electromagnetic means, it may be called tele- communication; if by radio, radiocommunication.


Coast Earth Station maritime name for an Inmarsat shore-based station linking ship earth stations with terrestrial communication networks


Standard Marine Communication Phrases an updated version of SMNV that includes phrases that have been developed to cover the most important safety-related fields of verbal communications


Ship Earth Station shipborne satellite communication station, used for exchanging messages with shore subscribers and ships


1. A satellite which contains power source to augment the output signal (i.e., reflected only) as contrasted with ACTIVE SATELLITE; a satellite which is a passive reflector. 2. As defined by the International Telecommunications Union (ITU), an earth satellite intended to transmit radio communication signals by reflection.


The range of electromagnetic radiation useful for communication by radio (approximately 10 kilohertz to 300,000 megahertz).

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