Abstract
I HAVE always attached considerable importance to the problem of a practical directive system of radio communication. During my earliest experiments carried out in England more than twenty-eight years ago, I was able to show the transmission and reception of intelligible signals over a distance of if miles by means of an elementary beam system employing very short waves and reflectors, whilst, curiously enough, by means of the antenna or elevated wire system, utilising much longer waves, I could only at that time get results over a distance of half a mile.
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MARCONI, S. Radio Communications. Nature 114, 939–940 (1924). https://doi.org/10.1038/114939a0
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DOI: https://doi.org/10.1038/114939a0