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BECAUSE WE'RE ALL ABOUT RADIO

Commonly-Used DX Abbreviations

Abbreviation
Meaning
//
Parallel
73
Best regards
AA
Arabic
AC
Adult Contemporary music
AC/EZL
Light adult contemporary
AC/OLD
Adult contemporary oldies
AGC
Automatic Gain Control
AM
Amplitude Modulation
ANF
Auto Notch Filter
ANNCR
Announcer
AOR
Album Oriented Rock
ATNO
All-Time New One
Ad
Advertisement/Commercial
Af
Africa
As
Asia
Att
Attenuation
BCB
BroadCast Band
BIZ
Business
BOH
Bottom-of-the-Hour
BW
Bandwidth
Balun
BALanced to UNbalanced
Beach
Beach/surf oldies
Bev
Beverage antenna
C&W
Country and Western music
CA
Central America
CC
Chinese
CCR
Contemporary Christian
CDT
Central Daylight Time
CH
Critical Hour
CHR
Top 40 contemporary hits
CLA
Classical music
CLR
Classic Rock music
CST
Central Standard Time
CW
Continuous wave/morse code
CX
Conditions
Cls
Callsign/Call letters
Cmrcl
Commercial/advertisement
DAB
Digital Audio Broadcast
DSP
Digital Signal Processing
DX
Distance/Distant
DXpedition
Dx Expedition
EDT
Eastern Daylight Time
EE
English
ERP
Effective Radiated Power
EST
Eastern Standard Time
ETH
Ethnic programming
EZL
Easy listening
Eu
Europe
FARM
Agricultural programming
FCC
Federal Communications Commission
FF
French
FM
Frequency Modulation
Freq
Frequency
GG
German
GMT
Greenwich Mean Time
GOS
Gospel/Southern Gospel programming
GRG
Global Radio Guide
HAAT
Height Above Average Terrain
HF
High Frequency
Het
Heterodyne 
Hz
Hertz
ID
Identification
JAZZ
Jazz music
JJ
Japanese
KID
All children-oriented programming
KK
Korean
LA
Latin America
LPFM
Low Power FM
LSB
Lower sideband
LSR
Local Sunrise Time
LSS
Local Sunset Time
LW
Longwave 
MDT
Mountain Daylight Time
MHz
Megahertz
MST
Mountain Standard Time
MUF
Maximum Usable Frequency
MW
Megawatt
MW/mw
Mediumwave
Ms
Meteor Scatter
Mx
Music
NAGE
New age music
NB
Noise blanker
NOS
Nostalgic programming
NWS/NX
News
Na
North America
OLD
Oldies programming
Oc
Oceana
PDT
Pacific Daylight Time
PP
Portuguese
PSA
Public Service Announcement
PSRA
Pre-Sunrise Service Authorization
PSSA
Post-Sunset Service Authorization
PST
Pacific Standard Time
PX
Program/programming
QRM
Manmade interference
QRN
Naturally occurring interference
QSL
I confirm receipt/reception
QTH
Location
RAP
Rap and/or hip-hop
RDS
Radio Data System
REL
Religious programming
REL/AC
Contemporary Christian music
RF
Radio Frequency
ROCK
rock and roll music
ROCK/OLD
“classic hits” rock
ROK
Heavy metal music
RR
Russian
Rx/RX
Receive/Receive
SDR
Software-Defined Radio/Receiver
SINPO
Strength, Interference, Noise, Propagation, Overall
SIO
Strength, Interference, Overall
SPT
Sports programming
SQL
Squelch
SS
Spanish
SSB
Single sideband
SW
Shortwave
SWL
Shortwave Listener
SWLing
Shortwave Listening
TC
Time Check/Time Announcement
TEP
Transequatorial Propagation
TIS
Traveler’s Information Station
TLK
Talk programming
TOH
Top-of-the-Hour
TVI
∫Television Interference
Tejano
EE/SS music and talk
Tent
Tentative
Tourist
Traveler’s information
Tropo
Tropospheric Ducting
UC
Urban Contemporary
UHF
Ultra High Frequency
UNID
Unidentified
USB
Upper sideband
UTC
Coordinated Universal Time
VAR
Variety, could be many different things!
VHF
Very High Frequency
WRTH
World Radio/TV Handbook
Wx
Weather
dB
Decibel
kHz
Kilohertz
kW
Kilowatt
v/s
Veri signer
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