Presented in the table below are some common Q-Codes used by radio amateurs. These codes were found on the inside cover of a 1965 ARRL Amateur Radio Station Log Book. Q Codes marked with an " * " are the most commonly used today. A question is indicated by the use of the interrogation sign, " ? ", after the Q signal.

Here’s a list of the Q-codes that are still in use on the ham bands today: QRL / QRL? – I am busy. / Are you busy? The most common usage for this Q-signal is to ask if a frequency is in use before beginning to call CQ or another station. The station wishing to …

To avoid confusion, transmitter call signs are restricted; countries can be issued unused Q-Codes as their ITU prefix e.g. Qatar is QAT. Codes in the range QAA–QNZ are reserved for aeronautical use; QOA–QQZ for maritime use and QRA–QUZ for all services.

Dec 20, 2003 · There are many Q-Signals for communication use as well as Aeronautical, Maritime and Weather. For a complete list -- see Q-Signal Complete Lists. Following is a compilation of Q-Signals of Interest to Amateur Radio Operators, from the most common to the seldom used. Q-Signals For Net Use are contained in QN Signals For Net Use.

Miscellaneous Codes Uses and Meanings. AM. Amplitude Modulation, Class of radio transmission composed of a carrier and two sidebands. Transmit Freq. and Transmit Power stays the same when sound is made.

QSX Will you listen to (call sign(s)) on (freq)? I am listening to (call sign(s)) on (freq). QSY Shall I transmit on another frequency? Change to transmission on ... kHz (or MHz). QSZ Shall I send each word or group > once? Send each word or group twice (or ... times). QTA Shall I cancel message number ... ? Cancel message number ...

Mar 4, 2024 · One of the essential elements of efficient ham radio communication is the use of Q codes. These codes are shorthand signals that simplify and speed up message transmission, especially in Morse code conversations, but are also used in voice communication.

QSV Shall I send a series of V's on this frequency [or...kHz(or MHz)]? Send a series of V's on this frequency [or...kHz (or MHz)]. QSY Shall I change to transmission on another frequency? Change to transmission on another frequency (or on...kHz (or MHz). QSZ Shall I send each word or group or more than once? Send each word or group twice

Below are a number of Q signals used in amateur radio work. (Q signals take the form of a question, only when each is sent followed by a question mark.) While there are a lot of signals listed, you don't need to remember all of them. The Q Signals highlighted in BLUE are the ones most often used. Question ?

Jun 1, 2024 · Below is a list of the most common Q codes used for general amateur ham radio, including how to use each as a question and answer. Remember, if you ask a question, you need to add a question mark at the end of your code. What is the name of your station? The name of my station is ___. How far are you from my station? I am ____ km from you station.