AA - All after 
AB - All before 
ABT - About 
ADEE - Addressee 
ADR - Address 
AGN - Again 
AM - Amplitude Modulation 
ANT - Antenna 
BCI - Broadcast Interference 
BCL - Broadcast Listener 
BCNU - Be seeing you 
BK - Break, Break in 
BN - All between; Been 
BT - Separation (break) between addr & text; between txt & signature 
BTR - Better 
BUG - Semi-Automatic key 
B4 - Before 
C - Yes, Correct 
CFM - Confirm; I confirm 
CK - Ckeck 
CKT - Circuit 
CL - I am closing my station; Call 
CLBK - Callbook 
CLD - Called 
CLG - Calling 
CNT - Can't 
CONDX - Conditions 
CQ - Calling any station 
CU - See You 
CUL - See You later 
CUM - Come 
CW - Continuous wave 
DA - Day 
DE - From, This Is 
DIFF - Difference 
DLD - Delivered 
DLVD - Delivered 
DN - Down 
DR - Dear 
EL - Element 
ES – And 

DX - Distance 
FB - Fine Business, excellent 
FER - For 
FM - Frequency Modulation
GA - Good Afternoon 
GB - Good bye, God Bless 
GD - Good 
GE - Good Evening 
GESS - Guess 
GG - Going 
GM - Good morning 
GN - Good night 
GND - Ground 
GUD - Good 
GV - Give 
GVG - Giving 
HH - Error in sending 
HI - The telegraph laugh; High 
HPE - Hope 
HQ - Headquarters 
HR - Here; Hear 
HV - Have 
HW - How, How Copy? 
IMI - Repeat, Say Again 
LID - A poor operator 
LNG - Long 
LTR - Later; letter 
LV - Leave 
LVG - Leaving 
MA - Milliamperes 
MILL - Typewriter 
MILS - Milliamperes 
MSG - Message; Prefix to radiogram 
N - No, Negative, Incorrect, No More 
NCS - Net Control Station 
ND - Nothing Doing NIL - Nothing; I have nothing for you 
NM - No more 
NR - Number 
NW - Now; I resume transmission 

OB - Old boy 
OC - Old chap 
OM - Old man 
OP - Operator 
OPR - Operator 
OT - Old timer; Old top 
PBL - Preamble 
PKG - Package 
PSE - Please 
PT - Point 
PWR - Power 
PX - Press 
R - Received as transmitted; Are; Decimal Point 
RC - Ragchew 
RCD - Received 
RCVR - Receiver 
RE - Concerning; Regarding 
REF - Refer to; Referring to; Reference 
RFI - Radio frequency interference 
RIG - Station equipment 
RPT - Repeat, Report 
RTTY - Radio teletype 
RST - Readability, strength, tone 
RX - Receive, Receiver 
SASE - Self-addressed, stamped envelope 
SED - Said 
SEZ - Says 
SGD - Signed 
SIG - Signature; Signal 
SINE - Operator's personal initials or nickname 
SKED - Schedule 
SRI - Sorry 
SS - Sweepstakes 
SSB - Single Side Band 
STN - Station 
SUM - Some 
SVC - Service; Prefix to service message 
T - Zero 
TFC - Traffic 
TMW - Tomorrow 
TKS - Thanks 
TNX - Thanks 
TR - Transmit 
T/R - Transmit/Receive 
TRIX - Tricks 
TT - That 
TTS - That is 
TU - Thank you 
TVI - Television interference 
TX - Transmitter; Transmit 
TXT - Text 
U - You 
UR - Your; You're 
URS - Yours 
VFB - Very fine business 
VFO - Variable Frequency Oscillator 
VY - Very 
W - Watts 
WA - Word after 
WB - Word before 
WD - Word 
WDS - Words 
WID - With 
WKD - Worked 
WKG - Working 
WL - Well; Will 
WPM - Words Per Minute 
WRD - Word 
WUD - Would 
WX- Weather 
XCVR - Transceiver 
XMTR - Transmitter 
XTAL - Crystal 
XYL - Wife 
YL - Young lady 
YR - Year 
30 - I have no more to send 
73 - Best Regards 
88 - Love and kisses 
161 - 73+88=161