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Tyrteu Rocha Vianna
Tyrteu Rocha Vianna (November 28, 1898 – September 21, 1963) was a Brazilian poet avant-garde and pioneer amateur radio, and large landowner of Rio Grande do Sul, southern Brazil. He was born in São Francisco de Assis, Rio Grande do Sul, a small isolated town where he lived most of his life; despite this, has been regarded by critics as one of the most gifted or the most modernist poet of the early twentieth century in Rio Grande do Sul. Had influence of Futurism mostly, but also the Manifesto Antropófago and Cubism. Has just published a book, Published 1993 by the Stat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amateur Radio
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. The term "amateur" is used to specify "a duly authorised person interested in radioelectric practice with a purely personal aim and without pecuniary interest;" (either direct monetary or other similar reward) and to differentiate it from commercial broadcasting, public safety (such as police and fire), or professional two-way radio services (such as maritime, aviation, taxis, etc.). The amateur radio service (''amateur service'' and '' amateur-satellite service'') is established by the International Telecommunication Union (ITU) through the Radio Regulations. National governments regulate technical and operational characteristics of transmissions and issue individual station licenses with a unique identifying call sign, which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
