Technology Glossary : O


  • O D
    Outside diameter.
  • O QAR
    Optical Quick Access Recorder
  • OA Operational Area
    An Operational Area in California is a county. There are 58 counties in California. Some counties may be better served...
  • OAECC Operational Area Emergency Communications Committee
    Obsolete term. New term: LECC - Local Emergency Communications Committee of the FCC.
  • OAG
    Official Airline Guide
  • OAT
    Outside AirTemperature
  • OATS
    Orbit and Attitude Tracking
  • Object Web
    A mosaic of emerging software technologies nucleating around the internet, Java, and CORBA which can be used to build potentially...
  • observatory
    A place or structure, such as the Landsat satellite, equipped and used for making observations of astronomical or other natural...
  • OBTEX
    Offboard Targeting Experiments
  • OC x
    Optical Carrier rate specified for SONET; OC-3, OC-12, OC-48, etc.
  • OCT
    October
  • ODAPS
    Operational OGE Data Acquisition and Patch Subsystem
  • OES Office of Emergency Services
    The element of the State and local governments having responsibility for civil defense and natural disaster response programs. The California...
  • OFDM
    Orthogonal Frequency Division Multiplexing
  • OFST
    Lateral Offset Active Light
  • OGE
    Operational Ground Equipment
  • Ohm
    Unit of resistance such that a constant current of one ampere produces a force of one volt.
  • ohm
    a unit that measures resistance to electrical current flow, and is equal to volts divided by amperes.
  • OIS
    OGE Input Simulator
  • One Way Video Two Way Audio
    An interactive conference, class, or meeting in which participants see and hear the speaker(s) at the originating site as well...
  • Online
    the status of being connected to a computer or having information available through the use of a computer.
  • OO
    SkyWest Airlines
  • OP
    Operational
  • Open Outcry Auction
    An auction in which bidders openly shout out their bids.
  • OPEN VIDEO SYSTEMS
    An alternative method to provide cable-like video service to subscribers.
  • OPEN VIDEO SYSTEMS
    An alternative method to provide cable-like video service to subscribers.
  • Open Video Systems OVS
    An Open Video System is similar to a cable system. In an OVS, the system operator must lease channel capacity...
  • Opera
    is a Web browser that provides some differences with the two most popular browsers from Netscape and Microsoft. Much smaller...
  • Operable controls
    A component of a product that requires physical contact for normal operation. Operable controls include, but are not limited to,...
  • Operating Handbook
    a document issued by the FCC that instructs broadcast station and cable personnel of the actions they must take during...
  • Operating System
    The operating system (OS) contains the electronic instructions that control the computer and run the programs. This software is generally...
  • Operating system software
    the electronic instructions that control the computer and run the programs. This software is generally specific to a type of...
  • Operator Interruption
    the transmission of an EAS activation which has been manually initiated by broadcast station or cable system personnel.
  • OPERATOR SERVICE PROVIDER OSP
    A common carrier that provides services from public phones, including payphones and those in hotels/motels.
  • OPERATOR SERVICE PROVIDER OSP
    A common carrier that provides services from public phones, including payphones and those in hotels/motels.
  • Operator Service Provider OSP
    A common carrier that provides services from public phones, including payphones and hotel/motel phones.
  • OPT
    Optimum
  • optical axis
    An imaginary line drawn directly through the optical center of the camera lens to the geometric center of the film....
  • orbital node
    Either of the two points at which the orbit of a heavenly body intersects a given plane, especially the plane...
  • orbital period
    The interval in time between successive passages (orbits) of a satellite through a reference plane. The orbital period of Landsat...
  • Organization INTELSAT
    Formed under a multilateral agreement, it is the organization which owns, maintains, and operates the global satellite system used by...
  • Originating Site
    The site initiating the conference or meeting that is to be distributed simultaneously with technology such as audioconferencing or...
  • Originator Code
    a three character ASCII code in an EAS header which denotes the source of an activation.
  • orthorectified
    Describing an image in which image displacements due to tilt and relief have been removed.
  • OSI
    Open Standards Integration
  • OSI
    Open Sytem Interconnection (ISO defined communications architecture used in data link to permit heterogeneous data communication systems to be interconnected...
  • OSS
    Operational Support System
  • OTDR
    Optical Time-Domain Reflectometer. An instrument that measures transmission characteristics by sending a short pulse of light down a fiber and...
  • OTFP
    Operational Traffic Flow Planning
  • Outside Plant
    Telecommunication facilities that are placed outside of a building.
  • OV
    Overseas National Airways

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