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BBC National DAB

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Title: BBC National DAB  
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Subject: BBC Radio, BBC Asian Network, BBC Radio 2, BBC Radio 3, BBC Radio 4
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BBC National DAB

BBC National DAB
Licensed area United Kingdom
Frequency 12B (225.648 MHz)
Air date 27 September 1995[1]
Owner BBC
BBC National DAB

is a digital audio broadcasting multiplex in the UK, for a number of radio stations which have UK wide coverage. The multiplex is owned and operated by the BBC and is transmitted from a number of transmitter sites across the country; it only carries BBC radio stations.


  • Stations carried 1
    • Full time services 1.1
    • Part time services 1.2
  • Future 2
  • References 3

Stations carried

The following channels are receivable on any digital-equipped DAB radio in the BBC National DAB coverage area:

Full time services

Service Service ID Bit rate Audio channels Description Analogue availability
BBC Radio 1 C221 128 kbit/s Joint stereo Youth-orientated popular music and speech 97.1, 97.7 - 99.8 MHz
BBC Radio 2 C222 128 kbit/s Joint stereo Adult-oriented pop music 88.0 - 90.2 MHz
BBC Radio 3 C223 160-192 kbit/s Joint stereo Classical Music 90.3 - 92.4 MHz
BBC Radio 4 (FM) C224 80-128 kbit/s Mono / joint stereo News & Speech 92.5 - 94.6 MHz
103.6 - 104.9 MHz
BBC Radio 5 Live C225 64-80 kbit/s Mono Live news and sport 909, 693, 990 kHz
BBC Radio 6 Music C22B 128 kbit/s Joint stereo Classic rock, alternative rock, funk, indie, jazz, hip-hop
BBC Radio 4 Extra C22C 80 kbit/s Mono Comedy, drama and children's programming
BBC Radio 1Xtra C22A 128 kbit/s Joint stereo New black / urban music
BBC Asian Network C236 64 kbit/s Mono South Asian orientated Various MW
BBC World Service C238 64 kbit/s Mono English language version of the BBC World Service On Radio 4 frequencies (01:00-05:20 only)
BBC Guide E1C79E5E 16-32 kbit/s Data Hidden service, EPG data

Part time services

The BBC National DAB multiplex makes extensive use of dynamic ensemble reconfiguration to allow a number of part-time services to broadcast. While these additional services are on air the bit rates of (one or more of) BBC Radio 3, BBC Radio 4, BBC Radio 5 Live, and data services are reduced.

Station Name Description
5 Live Sports Extra Live sport - used to broadcast either Test Match Special or a second sporting event when BBC Radio 5 live is also broadcasting live sport.
Yesterday In Parliament Radio 4 LW opt-out simulcast; Weekdays 08:30-09:00; Saturdays 08:45-09:00.
Daily Service Christian Music and Worship, Radio 4 LW opt-out simulcast; Weekdays 09:45-10:00

BBC Asian Network was due to be axed in around 2011 after plans to close down the station were published. The BBC also planned to close 6 Music.[2] Since then both stations have been saved from closure - 6 Music was retained after listening figures increased and a campaign was set up on Facebook which had 180,000 supporters.[3]


The BBC had initially planned to increase their coverage of their DAB multiplex to at least 92% of the population by adding 61 new transmitters to their existing coverage.

With the publication of the Delivering Quality First paper, it was proposed that DAB coverage would be increased to 97% in the near future.[4] A total of 162 new transmitters were planned to be brought into service over a two-year period. The first of these transmitters went into service at the start of 2014.


  1. ^ "TV: September Through the Years". Unreality Primetime. Retrieved 2008-10-09. 
  2. ^ "BBC 6 Music and Asian Network face axe in shake up". BBC News. Retrieved 2 March 2010. 
  3. ^ "BBC Trust rejects 6 Music closure plan". BBC News. Archived from the original on 21 July 2010. Retrieved 5 July 2010. 
  4. ^ "DELIVERING QUALITY FIRST: Public Consultation - Section 2: Television". BBC Trust. 6 October 2011. 
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