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Download as PDF; Printable version; In other projects ... move to sidebar hide. QRM may refer to: Amateur radio Q code for "I have interference" Quick Response ...
An amateur radio contact, more commonly referred to as simply a "contact", is an exchange of information between two amateur radio stations. The exchange usually consists of an initial call, a response by another amateur radio operator at an amateur radio station, and a signal report. A contact is often referred to by the Q code QSO. It is ...
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.
In the U.S., Part 97 is the section of Federal Communications Commission (FCC) rules and regulations that pertains to amateur radio and the conduct of amateur radio operators. It is a part of Title 47 of the Code of Federal Regulations (CFR).
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.
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.
Morse code, is commonly used in Amateur radio. Morse code abbreviations are a type of brevity code. Procedure words used in radiotelephony procedure, are a type of radio code. Spelling alphabets, including the ICAO spelling alphabet, are commonly used in communication over radios and telephones.
Download QR code; Print/export Download as PDF; ... Q and Z signals are brevity codes widely used in Morse code radio telegraphy. See, respectively: Q code; Z code