Effective on 1 Oct 2011, the
Association of Digital Broadcasters (NAdB)
will assume the administrative role for callsign
registration and advocacy functions for digital
stations located in the United States, Puerto Rico,
Guam, the U.S. Virgin Islands and other U.S.
Effective on 1 June 2010, all -IR (Internet Radio) station suffixes will be automatically converted to
(Digital Broadcast) suffixes. The change to -DB more accurately reflects the wider choice of receiver platforms
available to the listening public.
NEW: Gateway For U.S. Broadcasters
Due to continuing high demand, IRUC and the National Association of Digital Broadcasters
(NAdB) has launched a separate gateway for Internet/Digital broadcasters based in the United States wishing to
join NAdB and register custom call letters.
Why Is Having A Callsign Critical To Your Station's Success?
The Internet's "airwaves" are becoming more and more
crowded each and every day, making it harder for your
target audience to find your station. Meanwhile, your
potential audience is growing exponentially each and
every day, with standalone Internet radios, iPhones,
other smartphones, plus built-in WiFi-enabled radios in
To move your station into the next
generation of broadcasting, it is essential for your
station to have simple, easy-to-remember (and access)
Make it easy for your audience to find you — instead of
having them dial in "TODAY'S
FAVORITE HIT MUSIC" all they have to enter is
your simple three or four digit callsign.
A Guide To Internet Radio Uniform Callsigns...
Obtaining call letters
for your Internet/Digital radio station is a simple process, but
you may still have questions about the procedure and the
various benefits to you and your listeners.
Uniform Callsign Format By Country
nation has been allocated a series of callsigns for
Internet/Digital Radio stations that operate within their
boundaries, with the individual call letters assigned on a first-come,
first-served basis by IRUC. Aside from the standardized
prefix, the station operator may select a 2-, 3- or
4-letter suffix to the callsign (e.g.,
REGISTER YOUR STATION'S CALLSIGN NOW!