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The Q-code is a standardised collection of three-letter codes that each start with the letter "Q". It is an operating signal initially developed for commercial radiotelegraph communication and later adopted by other radio services, especially amateur radio .
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 ]
ACP-131 [1] is the controlling publication for the listing of Q codes and Z codes. It is published and revised from time to time by the Combined Communications Electronics Board (CCEB) countries: Australia, New Zealand, Canada, United Kingdom, and United States.
The QSK code is one of the earliest signal reporting formats and is a part of the Q code used for commercial radiotelegraph communication, appearing as one of the twelve Q Codes listed in the 1912 International Radiotelegraph Convention Regulations, and was later adopted by other radio services, especially amateur radio. The QSA code was ...
Q code: initially developed for commercial radiotelegraph communication and adopted by other radio services; QN Signals: published by the ARRL and used in Amateur radio; R and S brevity codes: published by the British Post Office in 1908 for coastal wireless stations and ships, superseded in 1912 by Q codes [1]
Q and Z signals are brevity codes widely used in Morse code radio telegraphy. See, respectively: Q code; Z code This page was last edited on 29 ...
Q and Z codes, also called Q and Z signals may refer to: Q code , 3-letter code beginning with Q and used by radiotelegraph and other radio services Z code , 3-letter code used in radio communications
Q code, initially developed for commercial radiotelegraph communication, later adopted by other radio services, especially amateur radio. Used since circa 1909. Used since circa 1909. 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 .