Ambridge Extra accessible for people who had never listened to "The Archers" before. "Ambridge Extra" features a number of new or previously silent and minor characters from the main series and initially focussed on several of the younger characters. The programme is broadcast on Tuesday and Thursday with an omnibus on Sunday, all following "The Archers" on Radio 4. "The Archers" theme tune "Barwick Green" has been re-arranged for "Ambridge Extra" and is performed by folk group Bellowhead. The first series of "Ambridge Extra" ran for 13 weeks (26 episodes) from April through to June 2011. A second 13-week series began airing
BBC Home Service of low-powered transmitters (known as "Group H") on 1474 kHz appearing later. Under this arrangement regional broadcasting in its pre-war form was no longer feasible, but much of the programming was gradually decentralised to the former regional studios because of the risks from enemy attack/bombing/invasion in London, and broadcast nationally. The new service was named the Home Service, which was also the internal designation at the BBC for domestic radio broadcasting (the organisation had also had Television Service and Overseas Service departments). During the war, the BBC Home Service would air each day from 7.00am in the morning until a