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  2. American Radio Relay League - Wikipedia

    en.wikipedia.org/wiki/American_Radio_Relay_League

    The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the United States. ARRL is a non-profit organization and was co-founded on April 6, 1914, by Hiram Percy Maxim and Clarence D. Tuska of Hartford, Connecticut .

  3. Amateur radio emergency communications - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_emergency...

    The ARRL provides extensive documentation on how to conduct emergency radio communications, including its Public Service Communications Manual. [8] Radio clubs independent of the ARRL and ARES also participate in emergency communications activities in some areas, and some non-radio organizations have their own amateur arm.

  4. Radio Amateur Civil Emergency Service - Wikipedia

    en.wikipedia.org/wiki/Radio_Amateur_Civil...

    ARRL ARES manual (2015). See chapter 2. It answers the question, "Is RACES an organization?". CPG 1-15 and CPG 101 are both obsolete and have been absorbed into the Comprehensive Preparedness Guide 101, currently on Version 3.0 (September 2021).

  5. National Traffic System - Wikipedia

    en.wikipedia.org/wiki/National_Traffic_System

    Visual representation of traffic passing of ARRL radiograms between various nets, from Wisconsin to California. The National Traffic System (NTS) is an organized network of amateur radio operators sponsored by the American Radio Relay League for the purpose of relaying messages throughout the U.S. and Canada.

  6. Amateur Radio Emergency Service - Wikipedia

    en.wikipedia.org/wiki/Amateur_Radio_Emergency...

    Most individual ARES units are autonomous and operate locally. Although the Amateur Radio Emergency Service is a program (and trademark) of the American Radio Relay League (ARRL) in the U.S., the structure is more supportive than directive in nature, providing mostly for mutual aid in the event of large-scale emergencies. As long as local units ...

  7. QN Signals - Wikipedia

    en.wikipedia.org/wiki/QN_Signals

    The QN Signals are defined in ARRL document FSD-218 [3] and listed in the ARRL Operating Manual. [4]: 5–3 Although these codes are within the Aeronautical Code signals range (QAA–QNZ) and thus conflict with official international Q signals beginning with QN, the ARRL informally queried FCC's legal branch about the conflict.

  8. Prosigns for Morse code - Wikipedia

    en.wikipedia.org/wiki/Prosigns_for_Morse_code

    For the special purpose of exchanging ARRL Radiograms during National Traffic System nets, the following prosigns and signals can be used, most of which are an exact match with ITU-R and Combined Communications Electronics Board (military) standards; a few have no equivalent in any other definition of Morse code procedure signals or abbreviations.

  9. Amateur radio net - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_net

    An amateur radio net, or simply ham net, is an "on-the-air" gathering of amateur radio operators.Most nets convene on a regular schedule and specific frequency, and are organized for a particular purpose, such as relaying messages, discussing a common topic of interest, in severe weather (for example, during a Skywarn activation), emergencies, or simply as a regular gathering of friends for ...

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