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CW Abbreviations & Punctuation by John Shannon, K3WWP
(From his web site here)
There are many many abbreviations used for words on CW, ranging from commonly used abbreviations like B4 for Before or TU for Thank You to very obscure abbreviations known only to the one using them. Thus such a list must be a very subjective list. More formal are the abbreviations, or code groups used for punctuation. The following are what I believe to be the most common and easiest to understand abbreviations. After that is a table of CW punctuation.
Abbrev. | Word | Abbrev. | Word |
ABT | About | OB | Old boy |
ADR | Address | OM | Old man |
AGN | Again | OP | Operator |
ANT | Antenna | OT | Old timer; old top |
B4 | Before | PSE | Please |
C | Yes | PWR | Power |
CFM | Confirm | RIG | Station equipment |
CUL | See you later | RPT | Repeat; report |
ES | And | RX; RCVR | Receiver |
FB | Fine business | SED | Said |
GA | Go ahead | SEZ | Says |
GA | Good afternoon | SIG | Signal |
GB | Good bye | SKED | Schedule |
GB | God bless | SRI | Sorry |
GE | Good evening | TMW | Tomorrow |
GG | Going | TNX | Thanks |
GM | Good morning | TT | That |
GN | Good night | TU | Thank you |
GND | Ground | TVI | Television interference |
GUD | Good | TX | Transmitter |
HI | Laughter | UR; URS | Your; Yours |
HI | High | VY | Very |
HR | Here; hear | WKD; WKG | Worked; working |
HV | Have | WL | Will |
HW | How; how copy | WUD | Would |
LID | A poor operator | WX | Weather |
MSG | Message | XMTR | Transmitter |
N | No | YF; XYL | Wife |
NIL | Nothing | YL | Young lady |
NR | Number | 73 | Best regards |
NW | Now | 88 | Love and kisses |
Symbol | Code group | Name |
" | .-..-. | Quotation mark |
$ | ...-..- | Dollar sign |
' | .----. | Apostrophe |
( | -.--. | Open parenthesis (1) |
) | -.--.- | Close parenthesis |
[ | -.--. | Open square bracket (1) |
] | -.--.- | Close square bracket |
+ | .-.-. | Plus sign (2) |
, | --..-- | Comma |
- | -....- | Hyphen or single dash |
. | .-.-.- | Period |
/ | -..-. | Slant |
: | ---... | Colon |
; | -.-.-. | Semicolon (3) |
= | -...- | Equal sign or double dash (4) |
? | ..--.. | Question mark |
@ | .--.-. | At symbol (5) |
_ | ..--.- | Underline |
¶ | .-.-.. | Paragraph |
! | ---. | Exclamation point (6) |
Notes:
(1) - The close parenthesis code group is often used for both open and close parentheses and square brackets.
(2) - You'll recognize this to be the same as AR - the end of transmission procedure signal.
(3) - This is also listed in some sources as -.-.- but I believe -.-.-. is official.
(4) - The same as BT - the break in text procedure signal.
(5) - Most punctuation code groups date from the early days of CW, but this is a new one designed to be used for the @ symbol in email addresses.
(6) - Commonly used, but not official in the Continental Morse code. It's taken from the official American Morse code group.
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