PHONETIC ALPHABET
Spell out easily misunderstood names and words using the international
phonetic alphabet below. "Subject's name is Sundahl, spelled Sierra
Uniform November Delta Alpha Hotel Lima".

PHONETIC ALPHABET
Alpha, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliet, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu .

146.520 MHzsimplex calling frequency
446.000 MHzalternate simplex calling frequency

Q-Codes, or Q-Signals, appear on the examination for the Basic Qualification and they are often used when Amateurs are talking to one another. In the early days of telegraphy, there was an international agreement on a list of abbreviations which could speed up Morse code (CW) transmissions.

If a Q-Code is followed by a question mark, then it is interpreted as a question. If no question mark was sent then the Q-Code is interpreted as a statement. For example QRS? means "shall I send more slowly". QRS means "send more slowly".

The table below lists some of the more common Q-Codes used by Amateurs.
Name
Q-Code Question Answer
QRA What is the name of your station? The name of my station is ...

Strength/Quality of Signal
Q-Code Question Answer
QRI How is the tone of my transmission? The tone of my transmission is ...

1. Good  2. Variable  3. Bad

QRK What is the intelligibility of my signal (or those of ...)? The intelligibility of your signal (or that of ...) is ...

1. bad  2. poor  3. fair  4. good  5. excellent

QRO Shall I increase my transmitter power? Increase your transmitter power
QRP Shall I decrease my transmitter power? Decrease your transmitter power.
QSA What is the strength of my signal (or those of ...)? The strength of your signal (or those of ...) is ...

1. bad  2. poor  3. fair  4. good  5. excellent

QSB Are my signals fading? Your signals are fading

Transmission Speed
Q-Code Question Answer
QRQ Shall I send faster? Send faster (... wpm).
QRS Shall I send more slowly? Send more slowly (... wpm).

Interference
Q-Code Question Answer
QRM Are you being interfered with? I am being interfered with (...)
1. nil  2. slightly  3. moderately  4. severely  5. extremely

QRN Are you troubled by static? I am troubled by static (...)
1. nil  2. slightly  3. moderately  4. severely  5. extremely

Frequency
Q-Code Question Answer
QRG Will you tell me my exact frequency (or that of ...)? Your frequency (or that of ...) is .. kHz or MHz.
QRH Does my frequency vary? Your frequency varies.
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).
QSW Will you send on this frequency (or on ... kHz or MHz)? I am going to send on this frequency (or on ... kHz or MHz).
QSY Shall I change to transmission on another frequency? Change to transmission on another frequency (or on ... kHz MHz).

Time
Q-Code Question Answer
QTR What is the correct time? The time is ... hours.

Establishing Communications
Q-Code Question Answer
QRL Are you busy? I am busy.
QRV Are you ready? I am ready.
QRX Will you call me again?  I will call you at ... hours (on ... kHz or MHz).
QRY What is my turn? Your turn is number ...
QRZ What is calling me? You are being called by ...
QSO Can you communicate with ...? I can communicate with ... directly (or by relay through ...).
QSP Will you relay to ...? I will relay to ...

Exchange of Communications
Q-Code Question Answer
QRU Have you anything for me? I have nothing for you.
QRT Shall I stop sending? Stop sending.
QSK Can you hear me between your signals and if so can I break in on your transmission? I can hear you between my signals, break in on my transmission.
QSL Can you acknowledge receipt? I can acknowledge receipt.
QSZ Shall I send each word or group twice (or ... times)? Send each word or group twice (or ... times).
QTA Shall I cancel message number ...? Cancel message number ...
QTC How many telegrams do you have for me? I have ... telegrams for you (or for ...).
QTH What is your position in latitude and longitude (or according to any other indication)? My position is ... latitude and ... longitude (or according to any other indication).

This list of Q-Codes was taken from section 12.2 of RAC Study Guide for the Basic Exam.

All FAQs » Amateur Radio » 5.0 Ham Glossary

VHF, UHF and Repeater Definitions

Most commonly used 'Q' Codes
QRM .... Interference from others
QRN .... Interference/electrical/atmospheric
QRO .... High power
QRP .... Low power
QRT .... Close(d) down
QRX .... Stand by
QSB .... Fading
QSL .... Confirmation of contact
QSO .... Radio contact
QSY .... Change frequency
QTH .... Location

RST Codes

Readability
R1 .... Unreadable R2 .... Barely readable R3 .... Readable R4 .... Quite good
R5 .... Perfect

Signal
S1 .... Faint S2 .... Very weak S3 .... Weak S4 .... Fair S5 .... Fairly good
S6 .... Good S7 .... Fairly strong S8 .... Strong S9 .... Very strong

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