Abstract
THE number and diversity of the radio communication services now in operation in an overcrowded spectrum demands that the utmost efficiency must be obtained in the design and operation of both sending and receiving stations. At the transmitting end it is necessary that the minimum power be used and the radiation be concentrated in the desired direction ; while at the receiving end aerials of high directivity are also required in order to ensure that the incoming field produces a satisfactory signal, to the exclusion of any unwanted noise or radiation coming from some other direction.
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Design Of Radio Aerials. Nature 163, 418–419 (1949). https://doi.org/10.1038/163418a0
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DOI: https://doi.org/10.1038/163418a0