| CW Abbreviations
| AA | All after | |
ABT | All before | |
ABT | About |
| ADEE | Addressee | |
ADR | Address | |
AGN | Again |
| ANT | Antenna | |
AR | End of message | |
ARL/B | ARRL numbered message |
|
| B | More to follow | |
BCI | Broadcast interference | |
BCL | Broadcast listener |
| BK | Back | |
BN | Been | |
BUG | Semi-automatic key |
| B4 | Before | |
  |   | |
  |   |
| |
| C | Yes | |
CD | ARRL Communications Dept. | |
C.D. | Civil Defense |
| CFM | Confirm | |
CK | Check | |
CL | Closing station |
| CLD | Called | |
CLG | Calling | |
CQ | Calling any station |
| CUD | Could | |
CUL | See you later | |
CUM | Come |
| CW | Continuous wave | |
  |   | |
  |   |
| |
| DE | From | |
DLD | Delivered | |
DLVD | Delivered |
| DX | Foreign country | |
  |   | |
ES | And |
| |
| FB | Fine business | |
FONE | Phone, telephone | |
FREQ | Frequency |
| FQY | Frequency | |
  |   | |
  |   |
| |
| GA | Go ahead | |
GB | Good-bye | |
GBA | Give better address |
| GE | Good evening | |
GG | Going | |
GM | Good morning |
| GN | Good night | |
GND | Ground | |
GP | Ground plane |
| GUD | Good | |
  |   | |
  |   |
| |
| HI | Telegraphic laugh | |
HR | Here | |
HV | Have |
| HW | How | |
HX | Handling instructions | |
  |   |
| |
| K | Go Ahead | |
  |   | |
LID | Poor operator |
| |
| MA | Milliamp | |
MILS | Milliamp | |
MSG | Message |
|
| N | No | |
NCS | Net control station | |
ND | Nothing doing |
| NIL | Nothing | |
NM | No more | |
NR | Number |
| NW | Now | |
  |   | |
  |   |
|
| OB | Old boy | |
OM | Old man | |
OP | Operator |
| OPR | Operator | |
OSC | Oscillator | |
OT | Old timer |
|
| PBL | Preamble | |
PSE | Please | |
PWR | Power |
| PX | Press | |
  |   | |
  |   |
|
| R | Received | |
RAC | Rectified alt. current | |
RCD | Received |
| RCVR | Receiver | |
REF | Reference | |
RFI | Radio freq. interference |
| RPT | Repeat | |
RX | Receive | |
  |   |
|
| SASE | Self addr. stamped envelope | | SED | Said | |
SIG | Signal |
| SINE | Operator’s initials | |
SKED | Schedule | |
SRI | Sorry |
| SVC | Service | |
  |   | |
  |   |
|
| TFC | Traffic | |
TKS | Thanks | |
TMW | Tomorrow |
| TNX | Thanks | |
TT | That | |
TU | Thank you |
| TVI | TV interference | |
TVL | Television listener | |
TX | Transmit |
| TXT | Text | |
  |   | |
  |   |
|
| UR | Your | |
URS | Yours | |
  |   |
|
| VFO | Variable freq. oscillator | | VY | Very | |
  |   |
|
| WA | Word after | |
WB | Word before | |
WRD | Word |
| WKD | Worked | |
WKG | Working | |
WL | Well |
| WUD | Would | |
WX | Weather | |
  |   |
|
| XMTR | Transmitter | |
XTAL | Crystal | |
XYL | Wife |
|
| YF | Wife | |
YL | Young lady | |
  |   |
|
| 73 | Best regards | |
88 | Love and kisses | |
  |   |
|