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    ESA > Our Activities > Human Spaceflight > Human Spaceflight Research

    Acronyms & abbreviations - U, V

    UARS Upper Atmosphere Research Satellite
    UCD University College Dublin
    UCS  Universal Cabling System
    UDP User Datagram Protocol
    UEF User Edit File
    UF Utilisation Flight
    UFOV Unobstructed Field Of View
    URD User Requirement Document
    UDMS User Database Management System
    UF Utilisation Flight (Space Shuttle)
    UFS Unix File System
    User Facilities Subsystem
    UI User Interface
    UIC User Information Centre
    UIDM User Interface Design Methodology
    UIP Utility Interface Panel
    ULF Utilisation & Logistics Flight (Space Shuttle)
    UM Upper Module
    UNCOPUOS United Nations Committee on the Peaceful Uses of Outer Space
    UNI User-to-Network Interface
    UOP User Operations
    UPN User Principal Name
    UR User Requirements
    URD User Requirements Document
    URL Universal Resource Locator
    URR User Requirements Review
    US United States
    USD United States Dollar
    Ultra Sound Diagnostics
    USE User Support Environment
    USERS Unmanned Space Experiment Recovery System
    USOC User Support and Operations Centre
    UT Universal Time
    UTC Universal Time Coordinated
    Universal Time Correlated
    UTP Unshielded Twisted Pair
    UTT Upper Telescope Tube
    UUCP Unix to Unix Copy Program
    UV Ultraviolet
    V Volt
    V1  Version 1
    V2 Version 2
    V&T Validation/Verification & Test
    VA Value Adding
    VAX Virtual Address
    VBG4 Vorschrift der BerufsGenossenschaft nr. 4
    VC Video Conference
    Virtual Channel
    Virtual Campus
    VCD Video Camera Device
    VCI Virtual Channel I
    VCR Video Cassette Recorder
    VCS Vax Console System
    VCSEL Vertically Cavity Surface Emitting Laser
    VCU Veto-shield Control Unit
    VDA Visual Data Analysis
    VDAM Variable Direct Access Method
    VDCVdc Volt Direct Current
    VDU Visual Display Unit
    VEB Veto Electronic Box
    Vehicle Electronic/Equipment Bay
    VECU Veto Electronic Control Unit
    VFM  Voice Fax Module
    VGA Video Graphics Adapter
    VHDL Very high-speed integrated circuit Hardware Description Language
    VI Virtual Institute
    VILSPA Villafranca Spain Satellite Tracking Station
    VIP Vibration Induced Phenomena
    VLAN Virtual Local Area Network
    VME Versa Module Europe
    VMM Video Management Unit
    VMS Virtual Memory System
    VN Vacancy Notice
    Vnet Virtual Network
    VNIR Visible and Near InfraRed
    VOD Venting & Outgassing Door
    VoIP Voice Over IP
    VPD Variable Packet Definition
    VPI Vibration Induced Phenomena
    VR Virtual Reality
    VS Veto-Shield
    VT Virtual Terminal
    VTAM  Virtual Telecommunications Access Method
    VTC Vacuum Temperature Cycling
    VVF Validity parameter Value File
    VVTP Verification, Validation and Test Plan

    Last update: 13 November 2008

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