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  2. Astrolabe - Wikipedia

    en.wikipedia.org/wiki/Astrolabe

    The first known metal astrolabe in Western Europe is the Destombes astrolabe made from brass in the eleventh century in Portugal. [ 27 ] [ 28 ] (p 140) Metal astrolabes avoided the warping that large wooden ones were prone to, allowing the construction of larger and therefore more accurate instruments.

  3. Vivo (telecommunications company) - Wikipedia

    en.wikipedia.org/wiki/Vivo_(telecommunications...

    Vivo (Portuguese for 'Live', as in Live Broadcasting, or 'Alive'), known as Vivo Brazil, is a brand of Telefônica Brasil, a subsidiary of Telefónica and the largest telecommunications company in Brazil.

  4. Telecommunications in Brazil - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_Brazil

    Vivo, belongs to Telefônica Brasil, is the leading mobile and landline carrier in Brazil. In 1Q2023, Vivo served 98 million mobile subscribers. [6] Claro, controlled by the Mexican América Móvil (owned by Carlos Slim), ranks second in Brazilian mobile market. In 1Q2023, Claro served 82.8 million mobile subscribers. [6]

  5. Category:Internet service providers of Portugal - Wikipedia

    en.wikipedia.org/wiki/Category:Internet_service...

    Pages in category "Internet service providers of Portugal" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. B.

  6. List of internet service providers in Brazil - Wikipedia

    en.wikipedia.org/wiki/List_of_internet_service...

    This is a list of internet service ... Vivo headquarters in São Paulo. Government. Plano ... TIM Brasil. Intelig Telecom; Universo Online (UOL) Telefônica Vivo ...

  7. Internet in Brazil - Wikipedia

    en.wikipedia.org/wiki/Internet_in_Brazil

    The internet in Brazil is dominated by three main internet service providers: Vivo, Claro, and TIM. [18] As of the third quarter of 2024, Vivo maintains 36.63% of mobile broadband market shares, with Claro at 34.83% and TIM at 24.94%. [18]

  8. Telefônica Brasil - Wikipedia

    en.wikipedia.org/wiki/Telefônica_Brasil

    Telefônica Brasil, trading as Vivo, [3] is a Brazilian telecommunications group, subsidiary of Spanish Telefónica. It was originally formed as part of Telebrás, the state-owned telecom monopoly at the time. In 1998, Telebrás was demerged and privatized. Telefónica bought Telesp, the São Paulo division, and rebranded it to Telefónica. The ...

  9. Oi (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Oi_(telecommunications)

    The acquisition of Portugal Telecom was troubled; an issue with Portugal Telecom's financial cash flow was discovered in 2014, leaving Oi without additional capital. [6] Main shareholder of the merged companies, Rioforte, ended up not paying the agreed amount of $1.2 billion dollars that should have been paid to Portugal Telecom in order to pay ...