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  2. Chain Home - Wikipedia

    en.wikipedia.org/wiki/Chain_Home

    In many respects, CH was a crude system, both in theory and in comparison with other systems of the era. This is especially true when CH is compared with its German counterpart, the Freya. Freya operated on shorter wavelengths, in the 2.5 to 2.3 m (120 to 130 MHz) band, allowing it to be broadcast from a much smaller antenna. This meant that ...

  3. Group purchasing organization - Wikipedia

    en.wikipedia.org/wiki/Group_purchasing_organization

    In the United States, a group purchasing organization (GPO) is an entity that is created to leverage the purchasing power of a group of businesses to obtain discounts from vendors based on the collective buying power of the GPO members. [1] Many GPOs are funded by administrative fees which are paid by the vendors that GPOs oversee.

  4. Colossus computer - Wikipedia

    en.wikipedia.org/wiki/Colossus_computer

    Colossus was designed by General Post Office (GPO) research telephone engineer Tommy Flowers [1] based on plans developed by mathematician Max Newman at the Government Code and Cypher School (GC&CS) at Bletchley Park. Alan Turing's use of probability in cryptanalysis (see Banburismus) contributed to its design.

  5. GPO telephones - Wikipedia

    en.wikipedia.org/wiki/GPO_telephones

    A further improved version, the 2/722, then became the standard issue in late 1971. With the advent of new style wiring the model numbers were prefixed with an '8' and were fitted with a 4000Ω high impedance ringer and a new style line cord fitted with a 431A plug.

  6. General Post Office, London - Wikipedia

    en.wikipedia.org/wiki/General_Post_Office,_London

    In 1895, GPO North was opened immediately to the north of GPO West (and connected to it across Angel Street by a second-floor footbridge), as the GPO continued to expand. [34] Known as Post Office Headquarters (PHQ), it was designed by Henry Tanner to house the Postmaster General and the GPO's administrative departments (the Secretary's Office ...

  7. Government Pharmaceutical Organization - Wikipedia

    en.wikipedia.org/wiki/Government_Pharmaceutical...

    GPO's product costs 180 baht per bottle of thirty 600 mg tablets. The imported version retails for more than 1,000 baht per bottle. The imported version retails for more than 1,000 baht per bottle. GPO will devote 2.5 percent of its manufacturing capacity to make 42 million efavirenz pills in 2018, allowing it to serve export markets as well as ...

  8. Group Policy - Wikipedia

    en.wikipedia.org/wiki/Group_Policy

    Local Security Policy editor in Windows 11. Group Policy is a feature of the Microsoft Windows NT family of operating systems (including Windows 8.1, Windows 10, Windows 11) that controls the working environment of user accounts and computer accounts.

  9. GPT-2 - Wikipedia

    en.wikipedia.org/wiki/GPT-2

    Generative Pre-trained Transformer 2 (GPT-2) is a large language model by OpenAI and the second in their foundational series of GPT models. GPT-2 was pre-trained on a dataset of 8 million web pages. [2] It was partially released in February 2019, followed by full release of the 1.5-billion-parameter model on November 5, 2019. [3] [4] [5]