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  2. RTX Corporation - Wikipedia

    en.wikipedia.org/wiki/RTX_Corporation

    RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.

  3. Defense Switched Network - Wikipedia

    en.wikipedia.org/wiki/Defense_Switched_Network

    The Defense Switched Network ( DSN) is a primary information transfer network for the Defense Information Systems Network (DISN) of the United States Department of Defense. The DSN provides the worldwide non-secure voice, secure voice, data, facsimile, and video teleconferencing services for DOD Command and Control (C2) elements, their ...

  4. Current Procedural Terminology - Wikipedia

    en.wikipedia.org/wiki/Current_Procedural_Terminology

    The Current Procedural Terminology ( CPT) code set is a procedural code set developed by the American Medical Association (AMA). It is maintained by the CPT Editorial Panel. [1] The CPT code set describes medical, surgical, and diagnostic services and is designed to communicate uniform information about medical services and procedures among ...

  5. Department of Defense Activity Address Code - Wikipedia

    en.wikipedia.org/wiki/Department_of_Defense...

    The Department of Defense Activity Address Code ( DoDAAC) is a six position code that uniquely identifies a Department of Defense unit, activity, or organization that has the authority to requisition, contract for, receive, have custody of, issue, or ship DoD assets, or fund/pay bills for materials and/or services.

  6. Wire signal - Wikipedia

    en.wikipedia.org/wiki/Wire_signal

    A wire signal is a brevity code used by telegraphers to save time and cost when sending long messages. The best-known code was the 92 Code adopted by Western Union in 1859. The code was designed to reduce bandwidth consumption over telegraph lines, thus speeding transmissions by utilizing a numerical code system for frequently used phrases. [1]

  7. Reverse telephone directory - Wikipedia

    en.wikipedia.org/wiki/Reverse_telephone_directory

    A reverse telephone directory (also known as a gray pages directory, criss-cross directory or reverse phone lookup) is a collection of telephone numbers and associated customer details. However, unlike a standard telephone directory, where the user uses customer's details (such as name and address) in order to retrieve the telephone number of ...

  8. International Mobile Equipment Identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    The International Mobile Equipment Identity ( IMEI) [1] is a numeric identifier, usually unique, [2] [3] for 3GPP and iDEN mobile phones, as well as some satellite phones. It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by entering the MMI Supplementary Service code *#06 ...

  9. UIC identification marking for tractive stock - Wikipedia

    en.wikipedia.org/wiki/UIC_identification_marking...

    From the last three digits, class "0128" could appear to be an electric locomotive. However the full number includes the type code "98", so it is a diesel shunter. The three-digit numbers "3xy" or "2xy" previously used by DB are not part of the new numbers. They are obsolete, found only in the numbers of former state railway vehicles.

  10. Telephone numbers in Saint Helena and Tristan da Cunha

    en.wikipedia.org/wiki/Telephone_numbers_in_Saint...

    Country code. +290. International access. 00. Long-distance. n/a. In the island of Saint Helena and the archipelago of Tristan da Cunha, telecommunications are administered by Sure Saint Helena. There is a fixed five-digit number plan, and the country calling code is +290. Ascension Island is also part of the British Overseas Territory of Saint ...

  11. Area codes 904 and 324 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_904_and_324

    Area codes 904 and 324 are telephone area code in the North American Numbering Plan for most of the First Coast (northeast) region of the U.S. state of Florida. The numbering plan ara comprises most of the metropolitan area of Jacksonville. It includes all of Duval County, St. Johns County, Nassau County, and Baker County, and almost all of ...