Radio Data System - Wikipedia

Most European FM[?] broadcasters transmits digital information named Radio Data System (RDS). RDS contain for example clock and broadcast identification.

The following information fields are normally contained in the RDS data - See also (PDF) RDS Features Serving as Tuning Aids (http://www.rds.org.uk/rds98/pdf/RDS_book_sample.pdf):

AF, Alternate frequencies.
CT, Clock Time.
EON, Enhanched Other Networks
PS Program Service
PTY, Program Type.
REG, Regionale links
RT, Radio Text, Radiotekst.
TA, TP, Travel announcements
TMC, Traffic Message Channel. Demands a RDS-TMC decoder.

External addresses

BBC Corporate Online - TV and Radio Reception - Factsheets (http://www.bbc.co.uk/reception/factsheets/)
Radio Data System (RDS) PDF (13kb) (http://www.bbc.co.uk/reception/factsheets/docs/radio_rds.pdf)
Yahoo: rdsforum (http://groups.yahoo.com/group/rdsforum/)

Technical RDS-TMC (External addresses)

2.4 RDS-TMC Standards (http://www.rds.org.uk/episode/2_4.htm)
Traffic Message Channel (TMC) (http://www.rds-tmc.com/)
(Scroll a little bit down): ADS Announces World's Most Complete RDS/RBDS/MBS Decoder Chip (RDX-1187c) (http://www.datacomm.ch/~hahn/rds.html)
RDS-TMC Decoder (http://www.gewi.com/data/tic/downloads/downl_main.htm)
RDS: "The Radio Data System", "The Broadcasters Guide to RDS" (http://www.rds.org.uk/rds98/rdsbooks.htm)
RDS Features Serving as Tuning Aids (http://www.rds.org.uk/rds98/pdf/RDS_book_sample.pdf)

Technical (External addresses)

68hc11 based RDS decoder (http://perso.wanadoo.fr/ybnet/rds.htm), Alternativ adresse (http://membres.lycos.fr/ybnet/rds.htm)
Carsten Groß: My RDS decoder and homemade computer (http://www.siski.de/~carsten/rds-dekoder-engl.html)
(16F84 baseret) Hollies RDS decoder (http://users.pandora.be/hollie/picmicro/rds.htm)
Program Identification decoder (http://mujweb.atlas.cz/www/picode/)
PI CODES DBASE (http://home.pi.be/~wijnherm/picodes.html)
FM MEDIA PLAZA (http://www.fmdx.com/)
European FM Handbook 2002-2003, The Directory of European FM Broadcasting! (http://www.efmh.info/)
Google: DX and Radio Groups (http://directory.google.com/Top/Recreation/Radio/Shortwave_and_DX_Listening/DX_and_Radio_Groups/)
RDS (http://www.geocities.com/Broadway/Balcony/5207/rds.html)
RDS addresses (http://www.howell1964.freeserve.co.uk/MyLinks.htm#RDS)