The digital switchover is the process by which analogue terrestrial television in the United Kingdom was replaced with

digital terrestrial television Digital terrestrial television (DTTV or DTT, or DTTB with "broadcasting") is a technology for terrestrial television in which land-based (terrestrial) television stations broadcast television content by radio waves to televisions in consumers' ...

. It is sometimes referred to as the "analogue switch off". In the United Kingdom, the

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

switchover started on 17 October 2007 and was completed on 24 October 2012. Each group of transmitters within each TV region had its analogue broadcasts switched off at a certain point between those dates. The process was co-ordinated by an independent body,

Digital UK Digital UK is a British television communications company owned by the BBC (1922), ITV (TV network), ITV (1955), Channel 4 (1982) and Channel 5 (British TV channel), Channel 5 (1997) which supports Freeview (UK), Freeview viewers and channels. ...

Switchover guide

Stage 1 – Known as DSO1 - Analogue BBC Two and low power digital Multiplex 1 switched off. High power Multiplex 1 switched on.
Stage 2 – Known as DSO2 - All remaining analogue channels and low power digital multiplexes switched off. Remaining high power digital multiplexes switched on.

Switchover dates

These are the dates at which switchover took place in each TV region, as published by

Technical trial

Border

Westcountry

HTV Wales

Granada

HTV West

STV North (Grampian)

Channel Islands

The Channel Islands' transmitters carry three of the DTT multiplexes – BBCA, D3&4 and BBCB. BBCA carries the BBC's SD channels as elsewhere, the D3&4 mux carries

ITVBe ITVBe, stylized as itvBe, is a British free-to-air television channel owned by ITV Digital Channels, a division of ITV plc. The channel was first announced on 12 February 2014 and launched on 8 October 2014. ITVBe broadcasts reality and unscri ...

(which is on the SDN mux elsewhere) as of September 2022 in place of ITV1 +1 (which is not available on the islands), and BBCB carries BBC HD, BBC One HD and Channel 4 HD (

ITV Channel Television ITV Channel Television, previously Channel Television, is a British television station which has served as the ITV contractor for the Channel Islands since 1962. It is based in Jersey and broadcasts regional programme for insertion into the ...

does not broadcast an HD version of their services). Due to close proximity to

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

, a multi-stage switchover was deemed impossible. Instead, the switchover was done in a single day. As such, all analogue signals were switched off at around 01:30, while digital signals were switched on at Frémont Point before 06:00 and at its relay transmitters before 15:00.

STV Central

Anglia

Central

Yorkshire

Meridian

London

Tyne Tees

UTV

Northern Ireland completed the digital switchover on the same day as the

Republic of Ireland Ireland ( ga, Éire ), also known as the Republic of Ireland (), is a country in north-western Europe consisting of 26 of the 32 counties of the island of Ireland. The capital and largest city is Dublin, on the eastern side of the island. A ...

, with Northern Ireland switching off analogue transmissions shortly before midnight, and the Republic of Ireland shortly after 10am. Viewers in some areas are able to receive an additional multiplex of channels carrying

RTÉ One RTÉ One ( ga, RTÉ a hAon) is an Irish free-to-air flagship television channel owned and operated by Raidió Teilifís Éireann (RTÉ). It is the most-popular and most-watched television channel in the country and was launched as ''Telefís � ...

RTÉ2 RTÉ2 is an Television in the Republic of Ireland, Irish free-to-air television channel operated by public service broadcaster RTÉ. It was launched in 1978 as the Republic of Ireland's second television channel. History In the 1970s, the Iri ...

and

TG4 TG4 ( ga, TG Ceathair, ) is an Irish free-to-air public service television network. The channel launched on 31 October 1996 and is available online and through its on demand service TG4 Player in Ireland and beyond. TG4 was formerly known ...

. These are broadcast in

DVB-T2 DVB-T2 is an abbreviation for "Digital Video Broadcasting – Second Generation Terrestrial"; it is the extension of the television standard DVB-T, issued by the consortium DVB, devised for the broadcast transmission of digital terrestrial telev ...

, and despite not being in high definition, require a Freeview HD receiver. Viewers in much of Northern Ireland can receive these and other Irish channels directly from

Saorview Saorview ( ) is the national digital terrestrial television (DTT) service in Ireland. It is owned by RTÉ and operated by 2RN. The service began operation on 29 October 2010 on a trial basis with a full launch on 26 May 2011. By legislation i ...

transmitters based in the Republic. As these are broadcast in

MPEG4 MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was originally introduced in late 1998 as a group of audio and video coding formats and related tec ...

, a Freeview HD receiver is generally required, although a very small number of standard Freeview receivers are compatible. Almost all viewers in Northern Ireland are able to receive at least some channels from the Republic by one or both of these means.

References

External links

Digital UKDigital Switchover UK
* * * *{{cite web, url=http://www.digitaltvcumbria.info, title=Digital TV Cumbria, accessdate=15 April 2007

Switchover Switchover is the manual switch from one system to a redundant or standby computer server, system, or network upon the failure or abnormal termination of the previously active server, system, or network, or to perform system maintenance, such as in ...

2008 in British television 2009 in British television 2010 in British television 2011 in British television 2012 in British television