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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Tuesday, 21 March 2017
Transmitter engineering
8:32 PM
8:32 PM
TREFECHAN transmitter - Freeview: HD Digital TV Off Air from 19:59 today. [BBC]
link to this comment |
Transmitter engineering
11:33 PM
11:33 PM
TREFECHAN transmitter - Freeview: HD Digital TV Off Air from 19:59 today to 20:03 today. [BBC]
link to this comment |
Wednesday, 22 March 2017
Transmitter engineering
4:33 AM
4:33 AM
TREFECHAN transmitter - Freeview: HD Digital TV Off Air from 19:59 yesterday to 20:03 yesterday. [BBC]
link to this comment |
Thursday, 23 March 2017
Transmitter engineering
4:33 AM
4:33 AM
TREFECHAN transmitter - Freeview: HD Digital TV Off Air from 19:59 on 21 Mar to 20:03 on 21 Mar. [BBC]
link to this comment |
Saturday, 17 June 2017
Transmitter engineering
11:32 PM
11:32 PM
TREFECHAN transmitter - Freeview: HD Digital TV Reduced Quality from 03:33 today to 03:47 today. [BBC]
link to this comment |
Sunday, 18 June 2017
Transmitter engineering
5:32 AM
5:32 AM
TREFECHAN transmitter - Freeview: HD Digital TV Reduced Quality from 03:33 yesterday to 03:47 yesterday. [BBC]
link to this comment |
Monday, 19 June 2017
Transmitter engineering
5:32 AM
5:32 AM
TREFECHAN transmitter - Freeview: HD Digital TV Reduced Quality from 03:33 on 17 Jun to 03:47 on 17 Jun. [BBC]
link to this comment |
Monday, 14 August 2017
Transmitter engineering
11:32 PM
11:32 PM
TREFECHAN transmitter - Freeview: BBC Digital TV Off Air from 23:08 today, HD Digital TV Off Air from 23:08 today. [BBC]
link to this comment |
Tuesday, 15 August 2017
Transmitter engineering
5:32 AM
5:32 AM
TREFECHAN transmitter - Freeview: BBC Digital TV Off Air from 23:08 yesterday to 23:12 yesterday, HD Digital TV Off Air from 23:08 yesterday to 23:12 yesterday. [BBC]
link to this comment |
Wednesday, 16 August 2017
Transmitter engineering
5:32 AM
5:32 AM
TREFECHAN transmitter - Freeview: BBC Digital TV Off Air from 23:08 on 14 Aug to 23:12 on 14 Aug, HD Digital TV Off Air from 23:08 on 14 Aug to 23:12 on 14 Aug. [BBC]
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