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  2. Morse code - Wikipedia

    en.wikipedia.org/wiki/Morse_code

    Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. [ 3 ][ 4 ] Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy.

  3. Words per minute - Wikipedia

    en.wikipedia.org/wiki/Words_per_minute

    Words per minute, commonly abbreviated as WPM (sometimes lowercased as wpm), is a measure of words processed in a minute, often used as a measurement of the speed of typing, reading or Morse code sending and receiving.

  4. Amateur radio licensing in the United States - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_licensing_in...

    With the removal of the high-speed Morse code tests, physician certification waivers were no longer accepted. A reduction of the number of written examination elements from five to three.

  5. Morse code abbreviations - Wikipedia

    en.wikipedia.org/wiki/Morse_code_abbreviations

    Morse code abbreviations are used to speed up Morse communications by foreshortening textual words and phrases. Morse abbreviations are short forms, representing normal textual words and phrases formed from some (fewer) characters taken from the word or phrase being abbreviated.

  6. Prosigns for Morse code - Wikipedia

    en.wikipedia.org/wiki/Prosigns_for_Morse_code

    Procedural signs or prosigns are shorthand signals used in Morse code telegraphy, for the purpose of simplifying and standardizing procedural protocols for landline and radio communication. The procedural signs are distinct from conventional Morse code abbreviations, which consist mainly of brevity codes that convey messages to other parties with greater speed and accuracy. However, some codes ...

  7. High-speed telegraphy - Wikipedia

    en.wikipedia.org/wiki/High-speed_telegraphy

    High-speed telegraphy. In amateur radio, high-speed telegraphy (HST) is a form of radiosport that challenges amateur radio operators to accurately receive and copy, and in some competitions to send, Morse code transmissions sent at very high speeds. This event is most popular in Eastern Europe. The International Amateur Radio Union (IARU ...

  8. Wireless telegraphy - Wikipedia

    en.wikipedia.org/wiki/Wireless_telegraphy

    This requires passing a simple written test on regulations, a more complex written exam on technology, and demonstrating Morse reception at 20 words per minute plain language and 16 wpm code groups.

  9. The CW Operators' Club - Wikipedia

    en.wikipedia.org/wiki/The_CW_Operators'_Club

    The CW Operators' Club, commonly known as CWops, is an international organization, in membership and management, for amateur radio operators who enjoy communicating using Morse Code. Its mission is to foster the use of CW, whether for contesting, DXing, traffic handling, or engaging in conversations. [1] A CWops nominee must be capable of ...