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|height = |gridref = SS775986 |built = 1981 |demolished = |collapsed = |relay = Kilvey Hill |BBC = BBC Wales |ITV = ITV Wales }} Cilfrew television relay station is sited on a hill south of the village of Tonna, at least 2 km across the valley from Cilfrew in the Neath Valley. It was originally built in 1981〔http://www.bbceng.info/Eng_Inf/EngInf_6.pdf〕 as a fill-in relay for UHF analogue colour television serving the villages of Cilfrew itself, Aberdulais and Tonna. It consists of a 30 m self-supporting lattice mast standing on land which is itself about 80 m above sea level. The transmissions are beamed to the north. The Cilfrew transmission station is owned and operated by Arqiva. Cilfrew transmitter re-radiates the signal received off-air from Kilvey Hill about 12 km to the southwest. When it came, the digital switchover process for Cilfrew duplicated the timing at the parent station, with the first stage taking place on Wednesday 12 August 2009 and the second stage was completed on Wednesday 9 September 2009, with the Kilvey Hill transmitter-group becoming the first in Wales to complete digital switchover. After the switchover process, analogue channels had ceased broadcasting permanently and the Freeview digital TV services were radiated at an ERP of 3 W each.〔(【引用サイトリンク】title=Freeview on Cilfrew TV transmitter )〕 ==Channels listed by frequency== 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「Cilfrew television relay station」の詳細全文を読む スポンサード リンク
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