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D-Star Glossary

Codec, Ethernet, IP, Registry....What are they? What do they stand for? Find out their explanations in our glossary of D-STAR* Jargon.
  • Air Link

    The portion of data transmission that takes place as a radio signal. The D-STAR* air link includes both modulation methods and data packet construction.

  • Authorisation

    Adding a user to the D-STAR* registry.

  • Bridge

    A connection between just two devices, such as between two ID-1 transceivers.

  • Client

    A program that requests data (programs, Web pages, documents, etc.) from servers.

  • Codec

    Code/Decode, a circuit or program that translates an analog signal to and from digital form, usually refers to an audio signal, such as voice or music. Different codecs, such as AMBE or MP3, have different rules for the translation between analog and digital.

  • Controller

    The part of a D-STAR* repeater that handles and routes the voice and data streams either between modules or between modules and the gateway.

  • DD (Digital Data)

    The D-STAR* high-speed digital data signal.

  • DV (Digital Voice)

    The D-STAR* digital voice + low-speed data signal.

  • EchoLink®

    ( and IRLP (Internet Relay Linking Project -, systems that allow repeaters to share digitized voice signals using Voice-Over-Internet Protocol (VOIP) technology.

  • Encapsulate

    To incorporate data packets from one protocol inside the data packets of another.

  • Ethernet

    The set of protocols that control local area network (LAN) connections, described by the IEEE 802.3 standard.

  • FEC

    Forward Error Correction, the process of adding information to data so that the receiver can correct errors caused by the transmission process.

  • Gateway

    The part of a D-STAR* repeater that connects the controller to other gateways via the Internet.

  • IP

    Internet Protocol, the protocol that controls how data packets are exchanged on the Internet.

  • Module

    A D-STAR* module is the part of a D-STAR* repeater that implements voice or data communication over the air.

  • Register

    Capture the call sign of a received signal and post it to the system registry for other D-STAR* repeaters to use for the purposes of routing calls.

  • Registry

    A shared data base of authorized user call signs and gateways.

  • Route

    To direct data packets to specific destinations.

  • Server

    A computer that supplies data (programs, Web pages, documents, etc.) to clients when requested.

  • Zone

    A group of D-STAR* repeaters linked together and connected to other D-STAR* systems by a single gateway.

(*Digital Smart Technology for Amateur Radio)

Please also visit our other market specific sites, Icom (UK), Marine Radio, dPMR (digital Private Mobile Radio), Amateur Radio, DSC Handheld and IP Radio Systems

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