• May 28, 2007 28 May'07

    directional sound

    Directional sound is a technology that concentrates acoustic energy into a narrow beam so that it can be projected to a discrete area, much as a laser focuses light... (Continued)  Continue Reading

  • May 28, 2007 28 May'07

    NOAA Weather Radio (NWR)

    NOAA Weather Radio (NWR) is an emergency broadcasting system operated by the U.S. National Oceanic and Atmospheric Administration (NOAA, pronounced NO-ah).  Continue Reading

  • May 28, 2007 28 May'07

    Galileo

    Galileo is the informal name for the European Global Navigation Satellite System (GNSS), a system that will offer users anywhere in the world "near pinpoint" geographic positioning when it becomes fully operational by 2008. Designed to be ...  Continue Reading

  • May 28, 2007 28 May'07

    Over the Air (OTA)

    Over The Air (OTA) (or Over-The-Air) is a standard for the transmission and reception of application-related information in a wireless communications system.  Continue Reading

  • May 28, 2007 28 May'07

    MEO satellite (medium earth orbit satellite)

    A medium earth orbit (MEO) satellite is one with an orbit within the range from a few hundred miles to a few thousand miles above the earth's surface.  Continue Reading

  • May 28, 2007 28 May'07

    mobile satellite services (MSS)

    Mobile satellite services (MSS) refers to networks of communications satellites intended for use with mobile and portable wireless telephones.  Continue Reading

  • May 28, 2007 28 May'07

    ESMR (Enhanced Specialized Mobile Radio)

    Also see Specialized Mobile Radio (SMR).  Continue Reading

  • May 28, 2007 28 May'07

    Mobitex

    Mobitex is a wireless network architecture that specifies a framework for the fixed equipment necessary to support all the wireless terminals in a packet-switched, radio-based communication system.  Continue Reading

  • May 28, 2007 28 May'07

    helical antenna

    A helical antenna is a specialized antenna that emits and responds to electromagnetic fields with rotating (circular)polarization.  Continue Reading

  • May 28, 2007 28 May'07

    wireless service provider (WSP)

    A wireless service provider (WSP) is a company that offers transmission services to users of wireless devices (handheld computers and telephones) through radio frequency (RF) signals rather than through end-to-end wire communication.  Continue Reading

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