Table of selected Morse code abbreviations

AA - All after (used after question mark to request a repetition)

AB - All before (similarly)

ARRL - American Radio Relay League

ABT - About

ADR - Address

AGN - Again

ANT - Antenna

ARND - Around

BCI - Broadcast interference

BCNU - Be seeing you

BK - Break (to pause transmission of a message, say)

BN - All between

BTR - Better

BTU - Back to you

BUG - Semiautomatic mechanical key

BURO - Bureau (usually used in the phrase PLS QSL VIA BURO, "Please send QSL card via my local/national QSL bureau")

B4 - Before

C - Yes; correct

CBA - Callbook address

CFM - Confirm

CK - Check

CL - Clear (I am closing my station)

CLG - . . . Calling

CQ - Calling ... (any station, when nothing is specified)

CS - Callsign

CTL - Control

CUD - Could

CUL - See you later

CUZ - Because

CW - Continuous wave (i.e., radiotelegraph)

CX - Conditions

DE - From (or "this is")

DN - Down

DR - Dear

DSW - Goodbye (Russian: до свидания [Do svidanya])

DX - Distance (sometimes refers to long distance contact), foreign countries

EMRG - Emergency

ENUF - Enough

ERE - Here (more commonly: HR)

ES - And

FB - Fine business (Analogous to "OK")

FCC - Federal Communications Commission

FER - For

FM - From

FREQ - Frequency

FWD - Forward

GA - Good afternoon or Go ahead (depending on context)

GE - Good evening

GG - Going

GL - Good luck

GM - Good morning

GN - Good night

GND - Ground (ground potential)

GUD - Good

GX - Ground

HEE - Humour intended or laughter (often repeated, e.g. HEE HEE)

HI - Humour intended or laughter (originates from American Morse "HO")

HR - Here, hear

HV - Have

HW - How

II - I say again

IMP - Impedance

K - Over

KN - Over; only the station named should respond (e.g. W7PTH DE W1AW KN)

LID - Poor operator

MILS - Milliamperes

MNI - Many

MSG - Message

N - No; nine

NIL - Nothing

NM - Name

NR - Number

NW - Now

NX - Noise; noisy

OB - Old boy

OC - Old chap

OK - Okay

OM - Old man (any male amateur radio operator is an OM regardless of age)

OO - Official observer

OP - Operator

OT - Old timer

OTC - Old timers club (ARRL-sponsored organization for radio amateurs first licensed 20 or more years ago)

OOTC - Old old timers club (organization for those whose first two-way radio contact occurred 40 or more years ago; separate from OTC and ARRL)

PLS - Please

PSE - Please

PWR - Power

PX - Prefix

QCWA - Quarter Century Wireless Association (organization for radio amateurs who have been licensed for 25 or more years)

R - Are; received as transmitted (origin of "Roger"), or decimal point (depending on context)

RCVR - Receiver

RFI - Radio-frequency interference

RIG - Radio apparatus

RPT - Repeat or report (depending on context)

RPRT - Report

RST - Signal report format (Readability-Signal Strength-Tone)

RTTY - Radioteletype

RX - Receiver, radio

SAE - Self-addressed envelope

SASE - Self-addressed, stamped envelope

SED - Said

SEZ - Says

SFR - So far (proword)

SIG - Signal or signature

SIGS - Signals

SK - Out (prosign), end of contact

SK - Silent Key (a deceased radio amateur)

SKED - Schedule

SMS - Short message service

SN - Soon

SNR - Signal-to-noise ratio

SRI - Sorry

SSB - Single sideband

STN - Station

T - Zero (usually an elongated dah)

TEMP - Temperature

TFC - Traffic

TKS - Thanks

TMW - Tomorrow

TNX - Thanks

TT - That

TU - Thank you

TVI - Television interference

TX - Transmit, transmitter

TXRX - Transceiver, transmitter + receiver

TXT - Text

U - You

UR - Your or You're (depending on context)

URS - Yours

VX - Voice; phone

VY - Very

W - Watts

WA - Word after

WB - Word before

WC - Wilco

WDS - Words

WID - With

WKD - Worked

WKG - Working

WL - Will

WUD - Would

WTC - Whats the craic? (Irish Language: [Conas atá tú?])

WX - Weather

XCVR - Transceiver

XMTR - Transmitter

XYL - Wife (ex-YL)

YF - Wife

YL - Young lady (originally an unmarried female operator, now used for any female)

ZX - Zero beat

44 - Hand shake, half of 88. Often used in Flora and Fauna connections, HH in CW

73 - Best regards

77 - Long Live CW (Morse Code), wishing you many happy CW contacts

88 - Love and kisses

99 - Get lost!