![]() ![]() Q Codes Commonly Used by Radio Amateurs QRG More information about the history and usage of Q-codes can be found here. The codes were based on an earlier list published by the British postmaster general’s office in 1908. The Q-code was originally instituted at the Radiotelegraph Convention held in London, 1912 and was intended for marine radiotelegraph use. Other ‘Q’ code ranges are allocated specifically to aviation or maritime services many of those codes have fallen into disuse as voice displaces CW in commercial operation. NATO’s ACP 131(E ), COMMUNICATIONS INSTRUCTIONS – OPERATING SIGNALS, March 1997, chapter 2 contains a full list of ‘Q’ codes. The QRA… QUZ code range includes phrases applicable to all services and is allocated to the International Telecommunications Union. I am going to go QRT, thanks for the QSO.) These codes were originally developed to shorten transmission times when using CW, but are frequently used in voice transmissions. If you want a morse code Decoder, click here. medium gap (between words) - seven units long.short gap (between letters) - three units long.intra-character gap (between the dots and dashes within a character) - one unit long.longer mark, dash or ‘dah’ (–) - three units long. ![]() You do not need to learn morse code to obtain a radio license or operate an amateur radio station anymore. It is used to communicate over long distances or with low power (QRP). ![]() Morse code is a way to encode text through the generation of a carrier wave (CW). The NATO version is most common and can be considered to be the “international” phonetic alphabet. ![]()
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