The Internationl Morse Code
/ (slash): "dadididadit"
, (comma): "dadadididada"
. (full stop): "didadidadidah"
? (question mark): "dididadadidit"
BT "=" equals sign or pause
CQ Calling any station
AR "+" over, end of message
K invite any station to transmit
KN invite a specific station to transmit
BK break, invite receiving station to transmit
R all received OK
AS please stand by (AS 5 = Wait 5 Minutes)
SK end of contact
CL clear, closing, going off the air
Prosigns are symbols formed by running together two characters into one - without the intercharacter space.
ex: AR (end of message): "didadidadit"
Q-codes most used on the ham bands
and their informal meaning
QRG Will you tell me my exact frequency (or that of ___)? Your exact frequency (or that of ___) is ___ kHz.
informal use: Frequency
QRL Are you busy? I am busy (or I am busy with ___). Please do not interfere.
informal use: Is the frequency in use? / The frequency is in use
QRM Is my transmission being interfered with? Your transmission is being interfered with ___.(1. Nil 2. Slightly 3. Moderately 4. Severely 5. Extremely)
informal use: Interference from other stations
QRN Are you troubled by static? I am troubled by static ---. (1-5 as under QRM) informal use: Interference from atmospheric noise or nearby electrical apparatus
QRO Shall I increase power? Increase power.
informal use: High power
QRP Shall I decrease power? Decrease power.
informal use: Low power
QRQ Shall I send faster? Send faster ___. (WPM)
informal use: High speed cw
QRS Shall I send more slowly? Send more slowly ___. (WPM)
QRT Shall I stop sending? Stop sending.
informal use: Close(d) down
QRU Have you anything for me? I have nothing for you.
QRV Are you ready? I am ready.
informal use: Are you operational on...? / I am operational on...
QRX When will you call me again? I will call you again at ___ hours (on ___ kHz).
informal use: Stand by
QRZ Who is calling me? You are being called by ___ (on ___ kHz).
QSB Are my signals fading? Your signals are fading.
informal use: Fading
QSL Can you acknowledge receipt? I am acknowledging receipt.
informal use: Verification card; confirm
QSO Can you communicate with ___ direct or by relay? I can communicate with ___ direct (or by relay through ___).
informal use: Radio contact
QSP Will you relay to ___? I will relay to ___.
QST General call preceding a message addressed to all amateurs and ARRL members. This is in effect, "CQ ARRL".
QSX Will you listen to ___ on ___ kHz? I am listening to ___ on ___ kHz.
informal use: Working split and listening up, ex: QSX UP2 = listening up 2 KHz
QSY Shall I change to transmission on another frequency? Change transmission to another frequency (or ___ kHz).
informal use: Change frequency
QTH What is your location? My location is ___.
informal use: Location
Q Signals take the form of a question only when each is followed by a question mark.
Extract of the most common used abbreviations for CW work
AM Amplitude Modulation
BCNU Be seeing you
BK Break, Break in
BUG Semi-Automatic key
CFM Confirm; I confirm
CL I am closing my station; Call
CUAGN See you again
CUL See you later
CQ Calling any station
CW Continuous wave
FB Fine Business, excellent
FM Frequency Modulation
GA Go ahead; Good afternoon
GE Good evening
GL Good luck
GM Good morning
GN Good night
HI The telegraph laugh; High
HR Here; Hear
II Repetition/error signal
LID A bad operator
NIL Nothing; I have nothing for you ; Nothing heard
NR Number; Near
OM Old man
OT Old timer
R Are; Received
RIG Station equipment
RTTY Radio teletype
SASE Self-addressed, stamped envelope
SSB Single Side Band
SWL Short Wave Listener
TNX; TKS Thanks
TU Thank you
TVI Television interference
UR Your; You are
WL Well; Will
YL Young lady
73 Best Regards (for OM ops)
88 Love and Kisses (for YL ops)
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