Freeview Light on the Trefilan (Ceredigion, Wales) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 52.178,-4.105 or 52°10'41"N 4°6'16"W |  | SA48 8PN |
The symbol shows the location of the Trefilan (Ceredigion, Wales) transmitter which serves 600 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.
This transmitter has no current reported problems
The BBC and Digital UK report there are no faults or engineering work on the Trefilan (Ceredigion, Wales) transmitter._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
H/V: aerial position (horizontal or vertical)
The Trefilan (Ceredigion, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, YAAAS!, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, Film4 +1, Food Network, GB News, GREAT! movies, GREAT! movies action, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, That's TV (UK), Together TV, W, Yesterday +1.
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which Freeview channels does the Trefilan transmitter broadcast?
If you have any kind of Freeview fault, follow this Freeview reset procedure first.Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
| Mux | H/V | Frequency | Height | Mode | Watts |
| PSB1 BBCA | V max | C32 (562.0MHz) | 277m | DTG- | 17W |
 1 BBC One (SD) Wales, 2 BBC Two Wales, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 13 others | |||||
| PSB2 D3+4 | V max | C34 (578.0MHz) | 277m | DTG- | 17W |
 5 Channel 5, 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV1 +1 (Wales), | |||||
| PSB3 BBCB | V max | C35 (586.0MHz) | 277m | DTG- | 17W |
 56 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD (England), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 110 Channel 4 HD (Wales), 204 CBBC HD, 205 CBeebies HD, plus 1 others | |||||
Are you trying to watch these 43 Freeview channels?
The Trefilan (Ceredigion, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, YAAAS!, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, Film4 +1, Food Network, GB News, GREAT! movies, GREAT! movies action, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, That's TV (UK), Together TV, W, Yesterday +1.
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which BBC and ITV regional news can I watch from the Trefilan transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 97km southeast (142°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 98km southeast (145°)
to ITV Wales region - 206 masts.
How will the Trefilan (Ceredigion, Wales) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2009 | 2009-13 | 31 Oct 2018 | |||||
| C/D E | C/D E | C/D E | C/D E T | A K T | |||||
| C32 | BBCA | ||||||||
| C34 | D3+4 | ||||||||
| C35 | BBCB | ||||||||
| C53tv_off | C4waves | C4waves | C4waves | BBCB | |||||
| C57tv_off | BBC1waves | BBC1waves | BBC1waves | BBCA | |||||
| C60tv_off | ITVwaves | ITVwaves | ITVwaves | D3+4 | |||||
| C63 | BBC2waves | BBC2waves | BBC2waves |
tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 4 Nov 09 and 3 Dec 09.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 86W | |
| BBCA, D3+4, BBCB | (-7dB) 17W |
Which companies have run the Channel 3 services in the Blaenplwyf transmitter area
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Is the transmitter output the same in all directions?
Radiation patterns withheldTuesday, 30 November 2021
Transmitter engineering
12:11 PM
12:11 PM
TREFILAN transmitter - Freeview: Off the air due to a fault from 30 Nov 08:03 until 30 Nov 10:16. . [BBC]
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Transmitter engineering
9:14 PM
9:14 PM
TREFILAN transmitter - Freeview: Off the air due to a fault from 30 Nov 18:26 until 30 Nov 19:01. Off the air due to a fault from 30 Nov 08:03 until 30 Nov 10:16. . [BBC]
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Sunday, 5 December 2021
Transmitter engineering
12:10 PM
12:10 PM
TREFILAN transmitter - Freeview: Off the air due to a fault from 30 Nov 18:26 until 30 Nov 19:01. . [BBC]
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Friday, 13 January 2023
Transmitter engineering
2:08 PM
2:08 PM
Trefilan transmitter - Trefilan transmitter: Possible effect on TV reception week commencing 09/01/2023 Screen may go black on some or all channels [DUK]
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Monday, 16 January 2023
Transmitter engineering
5:08 AM
5:08 AM
Trefilan transmitter - Trefilan transmitter: Possible effect on TV reception week commencing 16/01/2023 Screen may go black on some or all channels [DUK]
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Monday, 23 January 2023
Transmitter engineering
5:08 AM
5:08 AM
Trefilan transmitter - Trefilan transmitter: Possible effect on TV reception week commencing 23/01/2023 Screen may go black on some or all channels [DUK]
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Wednesday, 25 January 2023
Transmitter engineering
11:06 AM
11:06 AM
TREFILAN transmitter - Freeview: Off the air due to essential engineering from 24 Jan 09:33 until 24 Jan 09:34. . [BBC]
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