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
DX - Distance
EL - Element
ES - And
FB - Fine Business, excellent
FER - For
FM - Frequency Modulation: From
GA - Go ahead; 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
INFO - Info
LID - A poor operator
LNG - Long
LTR - Later; letter
LV - Leave
LVG - Leaving
MA - Millamperes
MILL - Typewiter
MILS - Millamperes
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 fune 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