The Internationl Morse Code
LETTERS
A: "didah"
B: "dadididit"
C: "dadidadit"
D: "dadidit"
E: "dit"
F: "dididadit"
G: "dadadit"
H: "didididit"
I: "didit"
J: "didadadah"
K: "dadidah"
L: "didadidit"
M: "dadah"
N: "dadit"
O: "dadadah"
P: "didadadit"
Q: "dadadidah"
R: "didadit"
S: "dididit"
T: "dah"
U: "dididah"
V: "didididah"
W: "didadah"
X: "dadididah"
Y: "dadidadah"
Z: "dadadidit"
NUMBERS
1: "didadadadah"
2: "dididadadah"
3: "didididadah"
4: "dididididah"
5: "dididididit"
6: "dadidididit"
7: "dadadididit"
8: "dadadadidit"
9: "dadadadadit"
0: "dadadadadah"
PUNCTUATION
/ (slash): "dadididadit"
, (comma): "dadadididada"
. (full stop): "didadidadidah"
? (question mark): "dididadadidit"
PROcedure SIGNS
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 airProsigns 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: FrequencyQRL 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 useQRM 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 stationsQRN 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 powerQRP Shall I decrease power? Decrease power.
informal use: Low powerQRQ Shall I send faster? Send faster ___. (WPM)
informal use: High speed cwQRS Shall I send more slowly? Send more slowly ___. (WPM)
QRT Shall I stop sending? Stop sending.
informal use: Close(d) downQRU 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 byQRZ Who is calling me? You are being called by ___ (on ___ kHz).
QSB Are my signals fading? Your signals are fading.
informal use: FadingQSL Can you acknowledge receipt? I am acknowledging receipt.
informal use: Verification card; confirmQSO Can you communicate with ___ direct or by relay? I can communicate with ___ direct (or by relay through ___).
informal use: Radio contactQSP 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 KHzQSY Shall I change to transmission on another frequency? Change transmission to another frequency (or ___ kHz).
informal use: Change frequencyQTH What is your location? My location is ___.
informal use: LocationQ 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
ABT About
AGN Again
AM Amplitude Modulation
ANT Antenna
BCNU Be seeing you
BK Break, Break in
BUG Semi-Automatic key
B4 Before
C Yes
CFM Confirm; I confirm
CL I am closing my station; Call
CLD Called
CLG Calling
CONDX Conditions
CUAGN See you again
CUD Could
CUL See you later
CUZ Because
CQ Calling any station
CW Continuous wave
DR Dear
DX Distance
ES And
FB Fine Business, excellent
FER For
FM Frequency Modulation
FREQ Frequency
GA Go ahead; Good afternoon
GB Goodbye
GE Good evening
GL Good luck
GM Good morning
GN Good night
GND Ground
GUD Good
HI The telegraph laugh; High
HPE Hope
HR Here; Hear
HV Have
HW How
II Repetition/error signal
LID A bad operator
MNI Many
MSG Message
N No
NIL Nothing; I have nothing for you ; Nothing heard
NR Number; Near
NW Now
OM Old man
OP Operator
OT Old timer
PSE Please
PWR Power
R Are; Received
RCVR,RX Receiver
RIG Station equipment
RPRT Report
RTTY Radio teletype
SASE Self-addressed, stamped envelope
SIGS Signals
SKED Schedule
SRI Sorry
SSB Single Side Band
STN Station
SWL Short Wave Listener
T Zero
TFC Traffic
TMW Tomorrow
TNX; TKS Thanks
TU Thank you
TVI Television interference
TX Transmitter
TXT Text
UR Your; You are
URS Yours
VY Very
WID With
WKD Worked
WKG Working
WL Well; Will
WUD Would
WX Weather
XCVR Transceiver
XMTR Transmitter
XYL Wife
YL Young lady
73 Best Regards (for OM ops)
88 Love and Kisses (for YL ops)