Technology Glossary


  • Electronic Bulletin Boards
    Information services that can be reached via computers connected by modem and/or Internet. With these services users can gather information,...
  • Electronic data interchange EDI
    a format that prescribes how specific elements of data should be combined and formatted for computer-to-computer exchange.
  • Electronic Funds Transfer EFT
    An electronic system that transfers money and records financial transactions, replacing the use of paper.
  • Electronic Mail
    More often called E-Mail. E-mail is a fast, easy, and inexpensive way to communicate with individuals or groups on networked...
  • Electronic Mail E Mail
    E-Mail allows the user to send a message via a computer instantly to one or many persons around the world....
  • Electronic mail e mail software
    the computer programs that facilitate computer-to-computer communications among users in any location.
  • elevation
    Vertical distance from the datum, usually mean sea level, to a point or object on the Earth's surface. Not to...
  • ELT
    Emergency Locator Transmitter
  • Emergency Action Notification EAN
    the message for national EAS activation.
  • Emergency Action Termination EAT
    the message for national EAS termination.
  • EMI
    Electromagnetic Interference. The noise generated when stray electromagnetic fields induce currents in electrical conductors.
  • emission
    With respect to electromagnetic radiation, the process by which a body emits electromagnetic radiation as a consequence of its kinetic...
  • Emission
    In this context, radiation produced by a radio transmitting station.
  • emissivity
    Ratio of radiation emitted by a surface to the radiation emitted by a black body at the same temperature under...
  • EMP
    Electromagnetic Pulse
  • EMR
    electromagnetic radiation
  • EMS
    electromagnetic spectrum
  • EMS
    Emergency Medical Services
  • EN BANC
    An informal meeting held by the Commission to hear presentations on specific topics by diverse parties. The Commissioners, or other...
  • EN BANC
    An informal meeting held by the Commission to hear presentations on specific topics by diverse parties. The Commissioners, or other...
  • En Banc
    An en banc meeting is a hearing held by the Commissioners to hear various presentations on specific topics by diverse...
  • Encoder EAS
    an electronic device used by EAS participants to originate EAS alerts by creating the EAS codes for transmission to other...
  • Encoder Two Tone
    an electronic device that produces the two-tone signal for the EBS.
  • Encoding
    A means of combining clock and data information into a self synchronizing stream of signals.
  • Encryption
    the process of translating a file into an apparently unintelligible format (i.e., to encode it) via the use of mathematic...
  • ENG
    Engine
  • engine cycle
    induction, compression, combustion, and expansion of air with the result of thrust being created.
  • Enhanced EBS
    means any system whereby the county EOC transmits EBS messages to broadcast stations over an existing local government radio system....
  • ENHANCED SERVICE PROVIDERS
    A for-profit business that offers to transmit voice and data messages and simultaneously adds value to the messages it transmits....
  • ENHANCED SERVICE PROVIDERS
    A for-profit business that offers to transmit voice and data messages and simultaneously adds value to the messages it transmits....
  • Enhanced Service Providers
    A for-profit business that offers to transmit voice and data messages and simultaneously add value to the message it transmits....
  • Enhanced Thematic Mapper Plus ETM
    The sensor aboard Landsat 7 that picks up solar radiation reflected by, or emitted from the Earth.
  • enhancement
    The process of altering the appearance of an image so that the interpreter can extract more information. Some types of...
  • EOC
    Emergency Operations Center. The facility designated by local government as the coordination center to mitigate the effects of the emergency....
  • EOM Code
    End of Message: in ASCII form 'NNNN', this burst of data, sent three times signifies the end of an EAS...
  • EOSAT
    Earth Observation Satellite Company
  • ephemeris
    Any tabular statement of the assigned places of a celestial body (including a manmade satellite) for regular intervals. Ephemeris data...
  • EPR
    Engine Pressure Ratio
  • EPROM
    Erasable Programmable Read-Only Memory
  • Equal Opportunity Equal Time Rule
    If a political candidate obtains time on a broadcast station, other candidates for the same office (or their appointed representatives)...
  • Equivalent facilitation
    A recognition that technologies may be either developed or used in ways not envisioned by the technical provisions in Subpart...
  • EROS
    Earth Resources Observation Systems. Also, Earth Resources Observation and Science, the USGS Data Center in Sioux Falls, SD.
  • EST
    Estimated
  • ETA
    EstimatedTime of Arrival
  • Ethernet
    A local area network standard.
  • Ethical standards
    guidelines for the appropriate use of the technology solution and the maintenance of privacy of the contents of the system....
  • ETM
    Enhanced Thematic Mapper Plus
  • ETX
    End of Transmission
  • Event Code
    a three character ASCII code is the EAS headers that denotes the type or cause of emergency event.
  • Ex Parte Presentation
    Any communication addressing the merits or outcome of a particular proceeding made to decision-making personnel (or in some proceedings, from...
  • EXEC
    Execute
  • Extranet
    the part of a company or organization's internal computer network which is available to outside users, for example, information services...
  • F
    Fahrenheit
  • F D FD
    Flight Director
  • F D D I
    Fiber Distributed Data Interface.
  • FA
    Final Approach
  • FAA
    Federal Aviation Administration
  • FAC
    Full Aperture Calibrator
  • Facilities
    Term used by telecommunication engineers to indicate communications systems
  • FACILITIES BASED
    Telecommunications provider that owns its facilities in Connecticut.
  • Facsimile Fax
    The electronic transmission of printed material by electronic means over a telephone system. An image is scanned at a transmitting...
  • Facsimile Machine fax
    A telecopying device that electronically transmits written or graphic material over telephone lines to produce "hard copy" at a remote...
  • FADEC
    Full Authority Digital Engine Control
  • FAF
    Final Approach Fix
  • FAIL
    FMC Fail
  • Failure
    The inability of a system, subsytem, unit or part to perform within previously specified limits.
  • fan
    The fan is the first component in a turbofan. The fan pulls air into the engine. The large spinning fan...
  • FANS
    Future Air Navigation Systems
  • FAQ
    List of frequently asked questions and their answers.
  • FAR
    Federal Aviation Regulations (federal rules under which flight operations are conducted)
  • FAR
    Federal Acquisition Regulation
  • FAST
    Final Approach Spacing Tool
  • FBO
    Fixed Based Operator
  • FCC
    Federal Communications Commission.
  • FCC
    Federal Communications Commission
  • FCC
    Flight Control Computer
  • FCC Number
    Sequential number assigned by the Secretary
  • FCC Record
    A bi-weekly comprehensive compilation of decisions, reports, public notices and other documents released by the Commission. The FCC Record replaced...
  • FCIF QCIF
    Standards-based display format for communicating between videoconference systems from different vendors.
  • FCU
    Flight Control Unit
  • FDAMS
    Flight Data Acquisition and Management System
  • FDC
    Flight Data Company
  • FDR
    Flight Data Recorder
  • FEATS
    Future European Air Traffic System
  • FEB
    February
  • Federal Communications Commission FCC
    The FCC was established by the Communications Act of l934 and is charged with regulating interstate and international communications by...
  • Feed
    This refers to a satellite transmission of a package or documentary.
  • FEMA Federal Emergency Management Agency
    one of the three federal agencies that administer EAS; the Federal agency responsible for civil defense. It is the Federal...
  • FF
    Fuel Flow
  • FGS C
    Flight Guidance System/Computer
  • FHSS
    Frequency-Hopping Spread Spectrum
  • Fiber Optic Cable
    Bundled glass rods (fibers) that are extremely thin and flexible and are capable of transmitting voice, video, and data signals...
  • Fiber Optics
    A light wave or optical communications system in which electrical information is converted to light energy, transmitted to another location...
  • FIBER OPTICS
    A means for transmitting digital information (voice, video, data) over high purity, hair-thin fibers of glass in the form of...
  • Fiber Optics
    A method for the transmission of information (sound, video, data) in which light is modulated and transmitted over high purity,...
  • field of view
    The solid angle through which an instrument is sensitive to radiation. See instantaneous field of view, and resolution.
  • Figure 8 Cable
    An aerial cable configuration in which the conductors and the steel strand which supports the cable are integrally jacketed. A...
  • File
    a block of information stored on a magnetic media such as a floppy or hard disk or a tape. A...
  • File Transfer Protocol FTP
    A standard Internet protocol for transferring files from one computer to another.
  • Filled Cable
    A cable construction in which the cable core is filled with a gel material that will prevent moisture from entering...

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