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  2. High-speed telegraphy - Wikipedia

    en.wikipedia.org/wiki/High-speed_telegraphy

    Most transmission tests restrict the type of equipment that may be used to send the Morse code message. [1] The Amateur Radio Call Sign Receiving Test use a software program called RufzXP that generates a score for each competitor. Rufz is the abbreviation of the German word "Rufzeichen-Hören" which means "Listening to Call Signs". In the ...

  3. R-S-T system - Wikipedia

    en.wikipedia.org/wiki/R-S-T_system

    The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying an assessment of the signal's readability, strength, and tone. [1] [2] The code was developed in 1934 ...

  4. Signal strength and readability report - Wikipedia

    en.wikipedia.org/wiki/Signal_strength_and...

    The QSA code and QRK code are interrelated and complementary signal reporting codes for use in wireless telegraphy . They replaced the earlier QSJ code. They replaced the earlier QSJ code. Currently, the QSA and QRK codes are officially defined in the ITU Radio Regulations 1990, Appendix 13: Miscellaneous Abbreviations and Signals to Be Used in ...

  5. Amateur radio licensing in the United States - Wikipedia

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

    FCC amateur radio station license of Al Gross. In the United States, amateur radio licensing is governed by the Federal Communications Commission (FCC). Licenses to operate amateur stations for personal use are granted to individuals of any age once they demonstrate an understanding of both pertinent FCC regulations and knowledge of radio station operation and safety considerations.

  6. Radioteletype - Wikipedia

    en.wikipedia.org/wiki/Radioteletype

    FG7XT was the first amateur radio station to claim to achieve this honor. However, Jean did not submit his QSL cards for independent review. ON4BX, in 1971, was the first amateur radio station to submit his cards to the DX editor of RTTY Journal and to achieve this honor. [33] The ARRL began issuing DXCC RTTY Awards on November 1, 1976. [34]

  7. QN Signals - Wikipedia

    en.wikipedia.org/wiki/QN_Signals

    The QN Signals are Morse code operating signals that were introduced for Amateur radio net operation in 1939 on the Michigan QMN Net to lighten the burdens of net control operators. Originally created by a committee of the Detroit Amateur Radio Association led by Ralph Thetreat, W8FX. [ 1 ]

  8. List of amateur radio modes - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio_modes

    Morse code is called the original digital mode. Radio telegraphy, designed for machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying or ASK, may be considered to be an amplitude modulated mode of communications, and is rightfully considered the first digital data mode.

  9. 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. (Credit is given for amateur extra class licenses earned under the old 20 wpm requirement.) [ 51 ]

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