The Llandyfriog transmitting station is a broadcasting and telecommunications facility located on high ground several kilometres east of the town of Newcastle Emlyn, Ceredigion, South Wales. It was built in 1980 to relay VHF radio and UHF television to Newcastle Emlyn and the area in general. The site has a 25 m self-standing lattice mast erected on land that is itself about 105 m above sea level and acts as an off-air television relay of Preseli, about 20 km to the west.
  Llandyfriog transmitting station (Ceredigion) | |
| Mast height | 25 metres (82 ft) |
|---|---|
| Coordinates | 52°02′42″N 4°24′35″W / 52.044975°N 4.40959°W |
| Grid reference | SN348412 |
| Built | 1980 |
| Relay of | Preseli |
| BBC region | BBC Wales |
| ITV region | ITV Cymru Wales |
Since Winter 1981[1] Llandyfriog has transmitted FM radio, acting as an off-air relay of Blaenplwyf about 50 km to the north. In Spring 1983[2] the radio services were upgraded to stereo.
Currently, Llandyfriog transmitter provides DVB-T digital television to the area, along with FM radio.
Services listed by frequency edit
Analogue television edit
November 4th 1977 - November 1982 edit
The station launched with just the original three channels.
| Frequency | UHF | kW | Service |
|---|---|---|---|
| 479.25 MHz | 22 | 0.11 | BBC One Wales |
| 503.25 MHz | 25 | 0.11 | ITV1 Wales (HTV Wales until 2002) |
| 527.25 MHz | 28 | 0.11 | BBC Two Wales |
November 1982 - November 1997 edit
Being in Wales, when Channel 4 arrived in 1982, Llandyfriog transmitted the S4C variant.
| Frequency | UHF | kW | Service |
|---|---|---|---|
| 479.25 MHz | 22 | 0.11 | BBC One Wales |
| 503.25 MHz | 25 | 0.11 | ITV1 Wales (HTV Wales until 2002) |
| 527.25 MHz | 28 | 0.11 | BBC Two Wales |
| 559.25 MHz | 32 | 0.11 | S4C |
November 1997 - 19 August 2009 edit
Llandyfriog was the site of one of the UK's two self-help analogue Channel 5 transmitters.[3]
| Frequency | UHF | kW | Service |
|---|---|---|---|
| 479.25 MHz | 22 | 0.11 | BBC One Wales |
| 503.25 MHz | 25 | 0.11 | ITV1 Wales (HTV Wales until 2002) |
| 527.25 MHz | 28 | 0.11 | BBC Two Wales |
| 559.25 MHz | 32 | 0.11 | S4C |
| 583.25 MHz | 35 | 0.11 | C5 |
Analogue and digital television edit
19 August 2009 - 16 September 2009 edit
The UK's digital switchover commenced, mirroring the changes taking place at the parent transmitter at Preseli. Analogue BBC Two Wales closed on channel 28 and ITV1 Wales took over on that frequency for what would be its final 3 weeks of service, vacating channel 25 as it did so. The new digital BBC A multiplex started up at full power in 64-QAM mode on channel 25.
| Frequency | UHF | kW | Service | System |
|---|---|---|---|---|
| 479.25 MHz | 22 | 0.11 | BBC One Wales | PAL System I |
| 506.000 MHz | 25 | 0.022 | BBC A | DVB-T |
| 527.25 MHz | 28 | 0.11 | ITV1 Wales | PAL System I |
| 559.25 MHz | 32 | 0.11 | S4C | PAL System I |
| 583.25 MHz | 35 | 0.11 | C5 | PAL System I |
Digital television edit
23 September 2009 - present edit
All the analogue television services closed and the new digital multiplexes took over on channels 22 and 28.
| Frequency | UHF | kW | Operator |
|---|---|---|---|
| 482.000 MHz | 22 | 0.022 | Digital 3&4 |
| 506.000 MHz | 25 | 0.022 | BBC A |
| 530.000 MHz | 28 | 0.022 | BBC B |
Analogue radio (FM VHF) edit
Winter 1981 - present edit
| Frequency | kW | Service |
|---|---|---|
| 90.1 MHz | 0.05 | BBC Radio 2 |
| 92.3 MHz | 0.05 | BBC Radio 3 |
| 94.5 MHz | 0.05 | BBC Radio Cymru |
| 99.7 MHz | 0.05 | BBC Radio 1 |
| 104.4 MHz | 0.05 | BBC Radio 4 |
See also edit
References edit
- ^ "Archived copy" (PDF). Archived from the original (PDF) on 2009-01-06. Retrieved 2012-05-01.
{{cite web}}: CS1 maint: archived copy as title (link) - ^ "Archived copy" (PDF). Archived from the original (PDF) on 2009-01-06. Retrieved 2012-05-01.
{{cite web}}: CS1 maint: archived copy as title (link) - ^ http://stakeholders.ofcom.org.uk/binaries/consultations/selfhelp/summary/selfhelp.pdf (see final page)