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→Later use: FCC Citation to show current US Amateur use of "Q-Code" being historically incorrect and technically a US FCC Regulations violation. de K8BYP Tags: Mobile edit Mobile web edit |
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Used in their formal question / answer sense, the meaning of a Q-code varies depending on whether the individual Q-code is sent as a question or an answer. For example, the message "QRP?" means "Shall I decrease transmitter power?", and a reply of "QRP" means "Yes, decrease your transmitter power", whereas an unprompted statement "QRP" means "Please decrease your transmitter power". This structured use of Q-codes is fairly rare and now mainly limited to amateur radio and military [[Morse code]] (CW) traffic networks.
Under U.S. F.C.C. Regulations, CFR 47 97.113(a)(4), Amateurs are not permitted to 'transmit codes or ciphers' (historical description), allowing only that 'plain- language communications' may be transmitted. The term 'Q-Signal' has been historically used in that context, not 'Q-Code,' - the use of 'Code' is technically a violation of F.C.C. Regulations. This essentially examples, in the U.S. the historic separation between Amateur and Commercial/Military radio services
==Listing according to service==
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