Mast height 25 metres (82 ft) Relay of Carmel ITV region ITV Wales | Grid reference SN705123 BBC region BBC Wales Year built 1983 | |
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The Cwmgors television relay station is sited on high ground at Gwaun Cae Gurwen to the north of the village of Cwmgors in south Wales. It was originally built in 1983 as a fill-in relay for UHF analogue colour television covering the communities of Cwmgors, Gwaun Cae Gurwen and Tairgwaith. It consists of a 25 m self-supporting lattice steel mast standing on a hillside which is itself about 180 m above sea level. The transmissions are beamed broadly south to cover its targets. The Cwmgors transmission station is owned and operated by Arqiva.
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Cwmgors transmitter re-radiates the signal received off-air from Carmel about 25 km to the west. When it came, the digital switchover process for Cwmgors duplicated the timing at Carmel with the first stage taking place on 26 August 2009 and with the second stage being completed on 23 September 2009. After the switchover process, analogue channels had ceased broadcasting permanently and the Freeview digital TV services were radiated at an ERP of 5.2 W each.
Winter 1983 - 26 August 2009
Cwmgors entered service in winter 1983, and (being in Wales) transmitted the S4C variant of Channel 4.
26 August 2009 - 23 September 2009
The UK's digital switchover commenced at Carmel (and therefore at Cwmgors and all its other relays) on 26 August 2009. Analogue BBC Two Wales on channel 27 was first to close, and ITV Wales was moved from channel 24 to channel 27 for its last month of service. Channel 24 was replaced by the new digital BBC A mux which started up in 64-QAM and at full power (i.e. 5.2 W).
23 September 2009 - present
The remaining analogue TV services were closed down and the digital multiplexes took over on the original analogue channels' frequencies.