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Freeview Light on the Merthyr Tydfil (Merthyr Tydfil, Wales) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.750,-3.367 or 51°45'0"N 3°22'3"Wsa_postcodeCF47 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.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 V max
C25 (506.0MHz)313mDTG-325W
Channel icons
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)313mDTG-325W
Channel icons
5 Channel 5, 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV +1 (Wales),

PSB3
BBCB
 V max
C28 (530.0MHz)313mDTG-625W
Channel icons
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, 204 CBBC HD, 205 CBeebies HD, plus 1 others

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 43 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected 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, Aljazeera English, 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 Merthyr Tydfil transmitter?

regional news image
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 30km south-southeast (162°)
to BBC Wales region - 206 masts.
regional news image
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?

1984-971997-981998-20102010-1330 Jun 2019-
A K TA K TA K TA K TA K T
C22BBC1wavesBBC1wavesBBC1wavesD3+4D3+4
C25ITVwavesITVwavesITVwavesBBCABBCA
C28BBC2wavesBBC2wavesBBC2wavesBBCBBBCB
C32C4wavesC4wavesC4waves

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

Jan 1958-Jul 1968Television Wales and the West
Jul 1968-Feb 2004Harlech Television
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Merthyr Tydfil was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Comments
Monday, 23 May 2011
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

2:14 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.

link to this comment
Mike Dimmick's 2,486 posts GB
Tuesday, 24 May 2011
Transmitter engineering
sentiment_very_satisfiedOwner

4:33 AM

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]

link to this comment
Transmitter engineering's 138,015 posts xx
Mark Aberfan Aerials
sentiment_satisfiedGold

8:03 AM

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's 1,059 posts GB
Briantist
sentiment_very_satisfiedOwner

8:38 AM

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.

link to this comment
Briantist's 38,844 posts GB
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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dave's 3 posts GB
Tuesday, 20 December 2011
C
Charlie
4:50 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.

link to this comment
Charlie's 1 post GB
Mark Aberfan Aerials
sentiment_satisfiedGold

5:43 PM

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

link to this comment
Mark Aberfan Aerials's 1,059 posts GB
Tuesday, 27 December 2011
D
David
12:16 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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David's 3 posts GB
Thursday, 29 December 2011
Mark Aberfan Aerials
sentiment_satisfiedGold

9:19 PM

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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Mark Aberfan Aerials's 1,059 posts GB
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Your comment please
Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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