RADIO  STATION  SERVICE  CODES

An  unofficial  list  for  use  by  DXers to classify radio stations

This list was developed by the DX Info Centre and is based on codes used by the ITU, US NTIA & FCC.


SERVICES

AERONAUTICAL A
INDUSTRIAL I
RADIODETERMINATION R

AMATEUR H
LAND TRANSPORTATION L
RADIOTELEPHONE C

BROADCASTING B
MARITIME M
SPACE / SCIENCE
S

CITIZENS / LICENSE-EXEMPT
Z
METEOROLOGICAL
W
GROUPS (CC / TRUNKED)
Y

EXPERIMENTAL X
PUBLIC SAFETY
P
MOBILES / SATELLITES
/














AERONAUTICAL A
BROADCASTING B
RADIOTELEPHONE
C

Aviation Broadcast
BA
Sound Broadcasting
BC
Air-Ground Radiotelephone CA

Aerodrome Control / Advisory
AC
Remote Pickup Broadcast
BR
Cellular Radiotelephone / PCS
CL

Aeronautical Enroute AE
Television Broadcasting BT
Offshore Radiotelephone CO

Air Force
AG
Broadcast Link / Relay
BX
Paging CP

Aeronautical Operational AO



Rural Radiotelephone
CR

Aeronautical Search & Rescue
AR



Local Television Transmission
CT

Aviation Instructional
AS



Broadband
CW

Flight Test AT



Radiotelephone Link / Relay
CX

Aerodrome Utility (Ground)
AU







Aeronautical Fixed
AX

















AMATEUR H
INDUSTRIAL I
LAND TRANSPORTATION L

Amateur Broadcast
BH
Industrial / Press Broadcast
BI
Land Transportation Broadcast
BL

Amateur HA
Agriculture IA
Automobile Emergency LA

Amateur Beacon HB
Business IB
Intercity Bus
LI

Amateur Civil Emergency
HR
Forest Products
IF
Highway Truck
LK

Amateur Link / Relay
HX
Manufacturers IM
Railroad LR




Petroleum
IP
School Bus LS




Mining / Other Industrial
IS
Taxicab LT




Telephone Maintenance IT
Urban Transit
LU




Film / Video Production IV
Land Transportation Fixed
LX




Power / Gas
IW






Industrial Fixed
IX






Relay Press IY














MARITIME M
PUBLIC SAFETY
P
RADIODETERMINATION R

Marine Broadcast BM
Public Safety / TIS Broadcast
BP
Marker Beacon RA

Coast MC
Disaster Emergency
PE
Radiobeacon
RB

Medical Advice
MD
Fire PF
Racon
RC

Coast Guard / Naval MG
Army / National Government
PG
Radio Direction-Finding
RG

Limited Coast
ML
Highway Maintenance
PH
Automatic Identification System
RI

Port
MP
Public Works / Local Gov't PL
Instrument Landing System
RL

Marine Search & Rescue
MR
EMS / Medical
PM
Differential GPS
RM

Maritime Instructional
MS
Forestry-Conservation PO
Loran RN

VTS / Pilot
MT
Police PP
Omnidirectional Range
RO

Marine Utility (Shipyard)
MU
Beach / Ski Patrol
PS
Surveillance Radar RS

Maritime Fixed MX
Public Safety Fixed PX
Distance-Measuring Equipment
RV







Meteorological Radar
RW




 


Radiodetermination Link / Relay
RX











SPACE / SCIENTIFIC
S
METEOROLOGICAL
W
EXPERIMENTAL
X

S.F. / Time / Scientific Broadcast
BS
Meteorological Broadcast
BW
Experimental Broadcast
XB

Radio Astronomy
SA
Radar Beacon Precip. Gauge WB
Conventional Experimental
XC

Propagation Beacon
SB
Hydrologic / Meteorological
WH
Medical Testing
XM

Meteor Burst Radar
SD
Oceanographic Data WO
Experimental Program
XP

Earth Exploration SE
Wind Profiler WP
Compliance Testing
XT

Sounder Network
SN
Radiosonde WR




Space Operation
SO
Meteorological Link / Relay
WX




Sounder Prediction
SP







Space Research SR







In-House Time Signals SS







Space Tracking ST







Space / Science Fixed SX

















GROUPS (CC / TRUNKED)
Y
CITIZENS / LICENSE-EXEMPT
Z
AIRCRAFT
/A


Industrial Group
YI
Citizens / Pirate Broadcast
BZ
SPACECRAFT
/E


Land Transportation Group
YL
GMRS / FRS
ZA
MOBILE
/M


Public Safety Group
YP
Radio Control ZC
PORTABLE
/P


Mixed Group YY
Citizens Band ZD
SHIP
/S





Industrial, Scientific & Medical
ZI
SATELLITE
/X





Cordless Phone
ZP
add suffix after code





Wireless Microphone / PAD
ZS







Wireless Camera
ZT







Interactive Video & Data
ZV







Citizens / License-Exempt Fixed
ZX







Pirate
ZZ

















Unwanted / Spurious
U






 Record of Changes
2018-10-05 
 Second major revision.
2018-09-29 
 Complete revision with new 2-letter code format.

Maintained by William R. Hepburn. This list is in not meant to represent official usage.