Freeview Light on the Merthyr Tydfil (Merthyr Tydfil, Wales) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 51.750,-3.367 or 51°45'0"N 3°22'3"W |  | CF47 0GE |
The symbol shows the location of the Merthyr Tydfil (Merthyr Tydfil, Wales) transmitter which serves 7,600 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 Merthyr Tydfil (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 Merthyr Tydfil (Merthyr Tydfil, 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, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GB News, GREAT! movies, Great! Movies Action, GREAT! romance, HGTV, HobbyMaker, HorrorXtra, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Talking Pictures TV, TCC, That's 70s, That's TV , 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 Merthyr Tydfil 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 | C25 (506.0MHz) | 313m | DTG- | 25W |
 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 | C22 (482.0MHz) | 313m | DTG- | 25W |
 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 | C28 (530.0MHz) | 313m | DTG- | 25W |
 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 45 Freeview channels?
The Merthyr Tydfil (Merthyr Tydfil, 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, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GB News, GREAT! movies, Great! Movies Action, GREAT! romance, HGTV, HobbyMaker, HorrorXtra, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Talking Pictures TV, TCC, That's 70s, That's TV , 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 Merthyr Tydfil transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 30km south-southeast (162°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 33km south (169°)
to ITV Wales region - 206 masts.
How will the Merthyr Tydfil (Merthyr Tydfil, Wales) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2010 | 2010-13 | 30 Jun 2019- | |||||
| A K T | A K T | A K T | A K T | A K T | |||||
| C22 | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | ||||
| C25 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | ||||
| C28 | BBC2waves | BBC2waves | BBC2waves | BBCB | BBCB | ||||
| C32 | C4waves | C4waves | C4waves |
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?
| Analogue 1-4 | 125W | |
| BBCA, D3+4, BBCB | (-7dB) 25W |
Which companies have run the Channel 3 services in the Wenvoe transmitter area
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Monday, 23 May 2011
M
Mike Dimmick2:14 PM
Stuart: The problem is that the final channel allocations for Wenvoe COM multiplexes clash with the allocations for the PSB multiplexes at Trefechan. The change to the final channels for SDN and ArqA multiplexes happened on the 27th of April. The ArqB multiplex moved at switchover at the end of March 2010.
You could see how well it works without the amplifiers first. The COM multiplexes are now in adjacent channels to the PSB multiplexes, and if the signal levels are too high it causes intermodulation, which causes errors in other channels but the worst errors occur in adjacent channels.
Otherwise, there's really nothing you can do without spending a lot of money on an antenna array that rejects more signal from Trefechan, or getting a satellite subscription. Freesat doesn't carry many of the channels carried by the Freeview COM multiplexes.
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Tuesday, 24 May 2011
MERTHYR TYDFIL transmitter - Freeview BBC Digital TV Off Air from 08:26 on 22 May to 09:04 on 22 May HD Digital TV Off Air from 08:26 on 22 May to 09:04 on 22 May [BBC]
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Hi Mike,
Not sure if the same guy or someone else phoned me yesterday with the same problem. I gave him exactly the same answer as you gave on this thread, this is a common problem here as every local transmitter is psb only & many people have invested in wenvoe rigs that have worked very well for years but now have these problems.
Im looking into aerial specs for a group B high gain very directional aerial with a very good front to back ratio to fit in future & to cure some existing installs. Thankfully I havent had any calls on our own installs but we align with rover meter / spectrum analizer rather than just point in the general direction like some do ! that may well make the difference.
Mark Aberfan Aerials
Mark
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Mark Aberfan Aerials: This will happen in the "final configuration" for quite a few areas, because the COM allocations use "gaps" in the PSB allocations, as did the pre-switchover Freeview transmissions in the analogue plan.
That is, of course, because the 3/4 of the only analogue plan is the new digital plan, for most sites.
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Saturday, 10 December 2011
D
dave 5:34 PM
hope mark from aberfan aerials could help me as he is the expert in this area.
can you get full reception of wenvoe from the Quar /cyfarthfa.
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Tuesday, 20 December 2011
C
Charlie4:50 PM
Merthyr Tydfil
CF47 9PF. Still have less channels than anywhere else. Upgraded aerial due to change over. My aerial is on the roof pointing towards Penyard. We were one of the first areas to go digital and we have the least. The T.V's I use have built in freeview, Sony and Toshiba, both are lcd, so not cheapies. We pay the same licence fee for a lesser service. Could you please explain why.
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Charlie's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Charlie: See Will there ever be more services on the Freeview Light transmitters? | ukfree.tv - independent free digital TV advice . The TV licence pay for BBC services, which you have all of.
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Hi Dave,
Sorry for the delay answering, I have customers in both Pandy close & Lakeside gardens who got full Wenvoe service, However there are also reports (thankfully not my customers !) who have reported that trefechan mast has knocked out some of their channels. I cant say for sure but there would appear to be a good chance of reception but it may not be straight forward.
Mark Aberfan Aerials
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Tuesday, 27 December 2011
D
David12:16 AM
Thanks mark(aberfan aerials) for you reply
After consideration I have decided to go for a Humax Freesat + box as property already had a old twin feed sky set up and felt it was cheaper in regards to set up costs , and I had seen an offer in the run up to christmas . But your help is most appereciated.
Dave.
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Thursday, 29 December 2011
Hi David,
I think you made the right choice mate, Ive since visited a customer who had every channel from wenvoe perfect for years, then when switchover came they stated getting problems on the channels that clash with trefechan. Ive had to recommend a freesat box as changing aerials etc didn't help.
If you havent bought a box yet, the echostar box is down to £199 at merthyr's blockbuster & £179.99 at amazon.com.
EchoStar HDS-600RS SlingLoaded TV Anywhere Freesat+ HD: Amazon.co.uk: Electronics
Mark Aberfan Aerials
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