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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    When a racon receives a radar pulse, it responds with a signal on the same frequency which puts an image on the radar display. This takes the form of a short line of dots and dashes forming a Morse character radiating away from the location of the beacon on the normal plan position indicator radar display. The length of the line usually ...

  3. DAFIF - Wikipedia

    en.wikipedia.org/wiki/DAFIF

    DAFIF diagram of Ottawa International Airport. The Digital Aeronautical Flight Information File or DAFIF (/ ˈ d eɪ f ɪ f /) is a comprehensive database of up-to-date aeronautical data, including information on airports, airways, airspaces, navigation data, and other facts relevant to flying in the entire world, managed by the National Geospatial-Intelligence Agency (NGA) of the United States.

  4. Map database management - Wikipedia

    en.wikipedia.org/wiki/Map_database_management

    Map database management systems are software programs designed to store and recall spatial information for navigation applications, and are thus a form of Geographic information system. They are widely used in localization and navigation, especially in automotive applications. Moreover, they are playing an increasingly important role in the ...

  5. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    OpenStreetMap (abbreviated OSM) is a free, open geographic database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and also import from other freely licensed geodata sources.

  6. Navigation Data Standard - Wikipedia

    en.wikipedia.org/wiki/Navigation_Data_Standard

    www.nds-association.org. The Navigation Data Standard (NDS) is a standardized format for automotive-grade navigation databases, jointly developed by automobile manufacturers and suppliers. NDS is an association registered in Germany. Members are automotive OEMs, map data providers, and navigation device /application providers. [3][4]

  7. Electronic navigational chart - Wikipedia

    en.wikipedia.org/wiki/Electronic_navigational_chart

    An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...

  8. ARINC 424 - Wikipedia

    en.wikipedia.org/wiki/ARINC_424

    ARINC 424 or ARINC 424 Navigation System Data Base Standard is an international standard file format for aircraft navigation data maintained by Airlines Electronic Engineering Committee and published by Aeronautical Radio, Inc. The ARINC 424 specifications are not a database, but a "standard for the preparation and transmission of data for ...

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