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  2. Radiogram (message) - Wikipedia

    en.wikipedia.org/wiki/Radiogram_(message)

    An ARRL radiogram is an instance of formal written message traffic routed by a network of amateur radio operators through traffic nets, called the National Traffic System (NTS). It is a plaintext message, along with relevant metadata (headers), that is placed into a traffic net by an amateur radio operator. Each radiogram is relayed, possibly ...

  3. ARRL Radiogram - Wikipedia

    en.wikipedia.org/wiki/ARRL_Radiogram

    An ARRL radiogram is an instance of formal written message traffic routed by a network of amateur radio operators through traffic nets, called the National Traffic System (NTS). It is a plaintext message, along with relevant metadata (headers), that is placed into a traffic net by an amateur radio operator.

  4. ARRL Numbered Radiogram - Wikipedia

    en.wikipedia.org/wiki/ARRL_Numbered_Radiogram

    An ARRL Numbered Radiogram is a brevity code used in composing ARRL Radiograms during times of radio congestion.. The code is used to transmit standard messages, sometimes with customized text, very quickly by experienced ARRL National Traffic System (NTS) message traffic handlers.

  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. 16-line message format - Wikipedia

    en.wikipedia.org/wiki/16-line_message_format

    16-line message format, or Basic Message Format, is the standard military radiogram format (in NATO allied nations) for the manner in which a paper message form is transcribed through voice, Morse code, or TTY transmission formats. The overall structure of the message has three parts: HEADING (which can use as many as 10 of the format's 16 ...

  7. Radio code - Wikipedia

    en.wikipedia.org/wiki/Radio_code

    QN Signals, published by the ARRL and used by Amateur radio operators to assist in the transmission of ARRL Radiograms in the National Traffic System. R and S brevity codes, published by the British Post Office in 1908 for coastal wireless stations and ships, superseded in 1912 by Q codes [1]

  8. Fldigi - Wikipedia

    en.wikipedia.org/wiki/Fldigi

    Fldigi (short for Fast light digital) [4] is a free and open-source program which allows an ordinary computer's sound card to be used as a simple two-way data modem.The software is mostly used by amateur radio operators who connect the microphone and headphone connections of an amateur radio SSB or FM transceiver to the computer's headphone and microphone connections, respectively.

  9. Radiogram - Wikipedia

    en.wikipedia.org/wiki/Radiogram

    ARRL Radiogram, a particular format for such a message; Radiogram (device), a piece of furniture combining a radio with an amplified gramophone; Radiogram, a 2001 comedy album by The Bob and Tom Show; Radiogram (medicine), a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or ...