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Carrier current is a method of low-power broadcasting that uses the electrical system of a building to distribute an AM radio signal. This is one method used for college radio, particularly if the signal is only intended to be picked up in a small area. They generally only have an effective radiated power of a few watts. Transmitters that use carrier current are very simple, making them an effective option for students interested in radio. Transmissions can be of good quality, although there is reportedly a 60 hertz background hum (in North American installations) associated with carrier current.

Because of the simple design and the fact that the transmitter doesn't need an external antenna, carrier current listening devices have found some use in the world of espionage.

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radio broadcast engineering

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Topics: Carrier Current, Carrier Battle Group, Carrier Sense Multiple...

Carrier battle groupThe carrier battle group CVBG or CARBATGRU or carrier strike group CVSG is a fleet of ships in support of an aircraft carrier. They are primarily used by the United States Navy which has 13 carrier battle groups scattered across the world. Their existence	CarrierCarrier has several different meanings: in telecommunication, a carrier wave in biology, an asymptomatic carrier the Carrier tribe a First Nations tribe living in British Columbia, Canada a common carrier a transport business ( shipping or telecom) an air	Carrier sense multiple access with collision avoidanceIn computer networking, Carrier Sense Multiple Access With Collision Avoidance CSMA/CA is a network control protocol in which (a) a carrier sensing scheme is used, (b) a data station that intends to transmit sends a jam signal, (c) after waiting a suffici
Carrier sense multiple access with collision detectionIn computer networking, Carrier Sense Multiple Access With Collision Detection CSMA/CD is a network control protocol in which (a) a carrier sensing scheme is used and (b) a transmitting data station that detects another signal while transmitting a frame,	Carrier shiftIn telecommunication, the term carrier shift has the following meanings: 1. In the transmission of binary or teletypewriter signals, keying in which the carrier frequency is shifted in one direction for marking signals and in the opposite direction for sp	Carrier systemIn telecommunication, a carrier system (loosely, a synonym with carrier is a multichannel telecommunications system in which a number of individual circuits ( data, voice, or combination thereof) are multiplexed for transmission between nodes of a network
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