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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

  3. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted.

  4. Brother's Little Helper - Wikipedia

    en.wikipedia.org/wiki/Brother's_Little_Helper

    List of episodes. " Brother's Little Helper " is the second episode of the eleventh season of the American animated television series The Simpsons. It first aired on the Fox network in the United States on October 3, 1999. In the episode, Bart floods the school gymnasium and the schoolyard, which prompts the school's principal Seymour Skinner ...

  5. IATA delay codes - Wikipedia

    en.wikipedia.org/wiki/IATA_delay_codes

    Delay codes starting with 0 are used for internal airline purposes. Airlines are free to define these codes and to determine particular application fields. However the following codes are standard, even if some airlines do not use them and create their own customized delay codes:

  6. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.

  7. List of ray tracing software - Wikipedia

    en.wikipedia.org/wiki/List_of_ray_tracing_software

    Ray tracing is a technique that can generate near photo-realistic computer images. A wide range of free software and commercial software is available for producing these images. This article lists notable ray-tracing software. Software.

  8. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP.

  9. List of free electronics circuit simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_free_electronics...

    List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.

  10. List of aircraft type designators - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft_type...

    The following is a partial list of ICAO type designators for a range of multi-engined and turbine aircraft, with corresponding IATA type codes where available.

  11. Ofcom Code on Sports and Other Listed and Designated Events

    en.wikipedia.org/wiki/Ofcom_Code_on_Sports_and...

    On 30 July 2009, the BBC proposed that the list be expanded and reorganised to include a new "A1" category above the existing category A (renamed A3), designating that the event must be aired live in their entirety on free-to-air channels (such as the FIFA World Cup, UEFA Euro, and the Olympics), and "A2" for events seen as only important to ...