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The principles underlying radio communication (1922)

United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 308

An illustration from The principles underlying radio communication, 1922, leaf 308
case of coil aerials under thesame conditions, the received current is greater the larger theareas and the number of turns of the coils. For the dimensionsactually used, antennas are much more effective radiators and ANTENNAS. 303 receivers than closed coils. In order to secure the same radia-tion… … V. AnfonnA sible to put more current into a transmitting coil than into thecorresponding antenna, and also the resistance of a receivingcoil is usually smaller than that of the corresponding receivingantenna. Hence the coil can be a smaller structure than theantenna. 53904°—22 20 304…

Telegraph, Wireless · Radio

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