Desde 1926
Marcelo Yared*
O “Código 92” foi adotado pela Western Union, em 1859, para reduzir a largura de banda nas linhas telegráficas e acelerar as transmissões; utiliza um sistema de códigos numéricos para várias frases usadas com frequência. Vejam a tabela abaixo, publicada por Brian Kmetz no sítio Ham Radio. 73!
*Engenheiro Eletricista
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colhecionei a revista antenna desde 1937 .