| aa |
All after (used after question mark to request a repetition) |
| ab |
All before (similarly) |
| ads |
Address |
| agn |
Again |
| ant |
Antenna |
| ar |
End of transmission. |
| as |
Wait |
| bk |
Break (to pause transmission of a message, say) |
| bn |
All between |
| c |
Yes; correct; affirmative |
| cfm |
Confirm |
| ck |
Check |
| cl |
Closing (I am closing my station) |
| cq |
Calling “CQ (call) calling all stations / any station) |
| dx |
Long distance, foreign countries (sometimes refers to long distance contact) |
| rx |
Receiver / Receive |
| rst |
Signal report format Readability / Signal Strength / Tone |
| sk |
Stop Keying, end of contact |
| sk |
Silent Key (a deceased radio amateur) |
| tx |
Transmitter / Transmit |
| z |
Zulu time / GMT / UTC |
| 30 |
No more; this is the end; finished |
| 73 |
thanks for the contact |
| 77 |
Long Live CW (Morse Code), wishing you many happy CW contacts |
| 88 |
love and kisses |