BBC One until the first Independent Television station began to broadcast on 22 September 1955, when ITV started broadcasting. The competition quickly forced the channel to change its identity and priorities following a large reduction in its audience. The 1962 Pilkington Report on the future of broadcasting noticed this, and that ITV lacked any serious programming. It therefore decided that Britain's third television station should be awarded to the BBC. The station, renamed BBC TV in 1960, became BBC1 when BBC2 was launched on 20 April 1964 transmitting an incompatible 625-line image on UHF. The only way to receive all channels was
Top 20 on 20 through the internet. And in June 2009, Sirius XM Hits 1 programming began simulcasting on XM 20 On 20 from 9 p.m. to 12 Noon Eastern. The station was announced on both signals as "Sirius XM Hits 1 On 20 on 20". By September 2009, the channel was removed from Mediabase's reporting panel, and aired music mostly sourced from Sirius XM Hits 1; however, the channel's programming was still different from Sirius XM Hits 1. Until February 9, 2010, Sirius XM Hits 1 and Top 20 on 20 was heard on DirecTV channel 816 until DirecTV has stopped carrying Sirius