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The West Kirby television relay station (also commonly known as West Kirby transmitter〔) serves parts of West Kirby, Wirral, UK (national grid reference: SJ224862). It is a relay of the Winter Hill transmitter. The antenna support structure is a 17 metre-high (56 ft-high) wooden pole situated at an elevation of .〔(【引用サイトリンク】title=The Transmission Gallery: West Kirby )〕 Thus, the top of the pole has an overall height of above sea level. As of 2009, the transmitter serves approximately 3,400 homes.〔 == Details == The relay station is located on a United Utilities bore hole site near Column Road,〔 West Kirby. The relay was not an original VHF 405-line transmitter.〔(【引用サイトリンク】title=West Kirby transmitter - analogue switch-off )〕 For 625-line analogue services on UHF, the relay covers a geographical Winter Hill blind spot in the vicinity of West Kirby near the Dee estuary. Prior to switchover, analogue channels BBC One, BBC Two, ITV1 and Channel 4 are radiated from the site.〔 Being a relay of Winter Hill, the transmitter is in the BBC North West and ITV Granada TV regions. From 4 November 2009〔 some digital TV services started broadcasting from the transmitter. The final digital switchover date was 2 December 2009, after which three digital multiplexes (known as ''Freeview Lite'') were made available. All TV transmissions from the West Kirby site are ''vertically polarised''.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「West Kirby television relay station」の詳細全文を読む スポンサード リンク
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