Freeview Light on the Trefechan (Merthyr Tydfil, Wales) transmitter
Google map | Bing map | Google Earth | 51.767,-3.407 or 51°46'0"N 3°24'25"W | CF48 2NT |
The symbol shows the location of the Trefechan (Merthyr Tydfil, Wales) transmitter which serves 4,700 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 Trefechan (Merthyr Tydfil, 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 effected channels](https://de8as167a043l.cloudfront.net/cache/squares/X=606/Y=47/UKHY/FOUR7/TMF/5LIFE/5US/ALJAZ/ALJAZHD/BLAZE/BLAZEP1/CHALLENGE/FIVEPL1/DMAX/THTS)
![the effected channels](https://de8as167a043l.cloudfront.net/cache/squares/X=606/Y=47//FILM4P1/FOODNET/Gaction/Gmovies/Gclassic/Gclassic1/UKTVHOME/YOURTVP1/ITV2P/ITV3P1/ITV4P1/ITVBEP1)
![the effected channels](https://de8as167a043l.cloudfront.net/cache/squares/X=606/Y=47/CBSACT/PSBAMERICA/QUEST/QUESTP1/REALLY/PICKTV/SNWS/TALKPICS/COMCHHD/CLUBLND/THATSUK/COMCH/REAL)
![the effected channels](https://de8as167a043l.cloudfront.net/cache/squares/X=606/Y=47/CBSDRMA/DAVE/DAVEJAVU/DRAMA/W/BLANK2/BLANK2/BLANK2/BLANK2/BLANK2/BLANK2/BLANK2/BLANK2)
The Trefechan (Merthyr Tydfil, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! movies, GREAT! romance, GREAT! romance mix, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, TCC, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.
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 Trefechan 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 | C40 (626.0MHz) | 305m | DTG- | 10W |
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, plus 14 others | |||||
PSB2 D3+4 | V max | C43 (650.0MHz) | 305m | DTG- | 10W |
5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Wales), | |||||
PSB3 BBCB | V max | C46 (674.0MHz) | 305m | DTG- | 10W |
46 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD Wales, 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 44 Freeview channels?
The Trefechan (Merthyr Tydfil, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! movies, GREAT! romance, GREAT! romance mix, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, TCC, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.
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 Trefechan transmitter?
![regional news image](/styles/images/regionalnews/302x152/bbc-wales-today.jpg)
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 32km south-southeast (158°)
to BBC Wales region - 206 masts.
![regional news image](/styles/images/regionalnews/302x152/itv-cymru-wales.jpg)
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 35km south-southeast (165°)
to ITV Wales region - 206 masts.
How will the Trefechan (Merthyr Tydfil, Wales) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2010 | 2010-13 | 15 May 2019 | |||||
B E T | B E T | B E T | B E T | B E K T | |||||
C39 | BBC1waves | BBC1waves | BBC1waves | ||||||
C40 | BBCA | ||||||||
C42 | ITVwaves | ITVwaves | ITVwaves | BBCA | |||||
C43 | D3+4 | ||||||||
C45 | BBC2waves | BBC2waves | BBC2waves | BBCB | |||||
C46 | BBCB | ||||||||
C49tv_off | C4waves | C4waves | C4waves | D3+4 |
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 3 Mar 10 and 31 Mar 10.
How do the old analogue and currrent digital signal levels compare?
BBCA, D3+4, BBCB | 10W | |
Analogue 1-4 | (-3dB) 5W |
Which companies have run the Channel 3 services in the Wenvoe transmitter area
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Monday, 8 February 2021
Transmitter engineering
1:58 PM
1:58 PM
TREFECHAN transmitter - Freeview: Off the air due to essential engineering from 8 Feb 11:08 until 8 Feb 11:49. . [BBC]
link to this comment |
Thursday, 17 June 2021
Transmitter engineering
3:33 PM
3:33 PM
TREFECHAN transmitter - Freeview: Weather conditions may be affecting your reception from 15 Jun 11:19 until 15 Jun 11:46. Weather conditions may be affecting your reception from 15 Jun 11:11 until 15 Jun 11:47. . [BBC]
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Friday, 24 September 2021
Transmitter engineering
6:07 AM
6:07 AM
TREFECHAN transmitter - Freeview: Weather conditions may be affecting your reception from 24 Sep 01:46. . [BBC]
link to this comment |
Transmitter engineering
12:06 PM
12:06 PM
TREFECHAN transmitter - Freeview: Weather conditions may be affecting your reception from 24 Sep 01:46 until 24 Sep 08:48. . [BBC]
link to this comment |
Transmitter engineering
6:20 PM
6:20 PM
TREFECHAN transmitter - Freeview: Weather conditions may be affecting your reception from 24 Sep 16:17 until 24 Sep 16:28. Weather conditions may be affecting your reception from 24 Sep 01:46 until 24 Sep 08:48. . [BBC]
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Wednesday, 29 September 2021
Transmitter engineering
11:50 AM
11:50 AM
TREFECHAN transmitter - Freeview: Weather conditions may be affecting your reception from 24 Sep 16:17 until 24 Sep 16:28. . [BBC]
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Thursday, 18 May 2023
Transmitter engineering
4:09 PM
4:09 PM
TREFECHAN transmitter - Freeview: Off the air due to a fault from 18 May 12:23 until 18 May 12:28. . [BBC]
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Friday, 4 August 2023
Transmitter engineering
11:09 AM
11:09 AM
Trefechan transmitter - Trefechan transmitter: Possible effect on TV reception week commencing 31/07/2023 Screen may go black on some or all channels [DUK]
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Monday, 7 August 2023
Transmitter engineering
5:09 AM
5:09 AM
Trefechan transmitter - Trefechan transmitter: Possible effect on TV reception week commencing 07/08/2023 Screen may go black on some or all channels [DUK]
link to this comment |
Friday, 29 September 2023
Transmitter engineering
10:48 AM
10:48 AM
Trefechan transmitter - Trefechan transmitter: Possible effect on TV reception week commencing 25/09/2023 Screen may go black on some or all channels [DUK]
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