Abstract
THE feasibility of interstellar radio communication using existing facilities has been established in principle1. We can communicate with extraterrestrial civilisations whose technological powers are no greater than ours by concentrating radiated power and receiver sensitivity in a narrow band of frequencies and a narrow field of view.
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PACE, G., WALKER, J. Time markers in interstellar communication. Nature 254, 400–401 (1975). https://doi.org/10.1038/254400a0
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DOI: https://doi.org/10.1038/254400a0
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