Full Freeview on the Wenvoe (Cardiff, Wales) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 51.460,-3.282 or 51°27'35"N 3°16'57"W |  | CF5 6SA |
The symbol shows the location of the Wenvoe (Cardiff, Wales) transmitter which serves 360,000 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.
Are there any planned engineering works or unexpected transmitter faults on the Wenvoe (Cardiff, Wales) mast?
Wenvoe transmitter - Wenvoe transmitter: Possible effect on TV reception week commencing 11/11/2024 Pixelation or flickering on some or all channels 
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
Which Freeview channels does the Wenvoe 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.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
Which BBC and ITV regional news can I watch from the Wenvoe transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 6km northeast (42°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 1km east-northeast (74°)
to ITV Wales region - 206 masts.
Are there any self-help relays?
| Abergwesyn | Active deflector | 7 km N Llanwrtyd Wells | 20 homes |
| Barry | Transposer | 10 km SW city centre | 300 homes |
| Celtic Manor | Transposer | 5 km E Newport | 80 homes |
| Pentrebach | Transposer | 3 km S Merthyr Tydfil | 100 homes |
| Ystradfellte | Active deflector | 30 km NE Port Talbot | 20 homes |
How will the Wenvoe (Cardiff, Wales) transmission frequencies change over time?
| 1950s-80s | 1984-97 | 1997-98 | 1998-2010 | 2010-13 | 2013-18 | 2013-17 | 15 May 2019 | ||
| VHF | B E T | B E T | B E T | B E T | B E K T | W T | W T | ||
| C5 | BBCtvwaves | ||||||||
| C30 | LOCAL2 | ||||||||
| C31 | com7 | com7 | |||||||
| C37 | com8 | com8 | |||||||
| C39 | +ArqB | +ArqB | ArqB | ||||||
| C41 | ITVwaves | ITVwaves | ITVwaves | +BBCA | +BBCA | +BBCA | BBCA | ||
| C42 | +SDN | +SDN | +SDN | SDN | |||||
| C44 | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | D3+4 | D3+4 | ||
| C45 | +ArqA | +ArqA | +ArqA | ArqA | |||||
| C47 | C4waves | C4waves | C4waves | BBCB | BBCB | BBCB | BBCB | ||
| C49tv_off | +ArqB | ||||||||
| C51tv_off | BBC2waves | BBC2waves | BBC2waves | LCF | LCF | ||||
| C55tv_off | com7tv_off | ||||||||
| C56tv_off | COM8tv_off |
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 | 500kW | |
| BBCA, D3+4, BBCB | (-7dB) 100kW | |
| com8 | (-9.7dB) 53.2kW | |
| SDN, ARQA, ARQB | (-10dB) 50kW | |
| com7 | (-10.3dB) 47kW | |
| Mux 1*, LCF | (-17dB) 10kW | |
| Mux 2*, Mux A*, Mux B*, Mux C*, Mux D* | (-20dB) 5kW |
Which companies have run the Channel 3 services in the Wenvoe transmitter area
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Thursday, 17 July 2014
B
barrie wreford2:18 PM
does anyone know what channels & power the celtic manor transmits on as quite a few people in the Langstone area of Newport are having problems recieving bbc & itv wales,is it a transmitter problem ?.
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Saturday, 2 August 2014
E
Eran Elliott9:30 PM
I live in Merthyr Tydfil but only get the basic freeview channels. If I upgraded to the strongest available digital aerial could I receive more channels from another transmitter such as Wenvoe ? And, what is the self help transposer in Pentrebach which is very close to me. How would that help and what would I need to do ?
Many thanks.
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K
KMJ,Derby10:29 PM
Eran Elliott: Without more precise information about your location, preferably a postcode in order to do a predicted reception check, it is not possible to give detailed advice. However it is fair to say that even if you are fortunate in being able to receive signals direct from Wenvoe it is most unlikely that reception of the COM muxes would be possible due to the re-use of the frequencies for the low power, but nearby, relay at Trefechan. This would most likely block reception of any signals from Wenvoe on the COM frequencies. A similar situation exists for anyone in the locality who is able to receive signals from Mendip, as in this case the relay at Treharris transmits the PSB muxes on the same frequencies as are used at Mendip for the COM muxes.
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Saturday, 27 September 2014
K
kerry8:03 AM
Barry
i am in barry south wales using the wenvoe transmitter . ithe signal seems to be very poor at night ( after midnight ) . i have to use a booster , but even with this at night i loose a number of channels .
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kerry's: mapK's Freeview map terrainK's terrain plot wavesK's frequency data K's Freeview Detailed Coverage
J
jb389:28 PM
kerry: Properties in your area would appear to be connected into a communal aerial system, should your TV or box be connected into such a system then the problem is really out with your control, as its really in the domain of the properties maintenance department.
I should say though, that the communal aerials fitted on the properties in the area are seen to be facing towards the Wenvoe transmitter, and although being only 4 miles away, this transmitter is not indicated as providing the best reception due to the signal path from same being blocked relatively close to your location, Mendip being far in a way superior in this respect by having a clear line of sight between the transmitter and your apartment block, of course, that is should the location referred to apply? as its fully appreciated that a post code can cover a number of properties in an area.
By the way, are any of your neighbours suffering from similar problems with reception?
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Saturday, 25 October 2014
J
jpreece2:45 PM
Hengoed
i am in ystrad mynach cf827df if i upgrade to the strongest digital aerial would i get more channels from another transmitter the aerial is on the roof
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jpreece's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
jpreece: Hi. Basically, no, you won't.
As you can't get a signal from one of the "full service" Freeview transmitters, if you want more money then Freesat is the way to go.
Have a look at https://ukfree.tv/chan…esat for the channel lists.
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Dave Lindsay
5:08 PM
5:08 PM
jpreece: Extremely doubtful.
There's no such thing as a "digital aerial" as against "analogue aerial".
What you would be trying to do is receive from Wenvoe, as it carries all the channels. However, even though it's only 12 miles away, you're a long way off seeing it, as this terrain plot shows:
Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location
All in all, think you're better considering Freesat.
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Friday, 31 October 2014
C
Chris7:31 AM
Ian pointing to wen or and 2days ago I noticed that my bbc channels had disappeared along with some other free view channels channels 3,4,5 remain there is no mention online that there are any issues and I have retuned my TVs which just removed the channels all together. Does anyone else have this issue or know the cause
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Monday, 24 November 2014
A
Anthony5:54 PM
Chris: Hi. My name is Anthony. I have a similar problem in that a few weeks ago we lost a lot of channels to our freeview box. Our nearest transmitter is Wenvoe and we live in Llanedeyrn, Cardiff. We can get BBC 1,2 3 & 4 and some others like Yesterday, Drama, Pick, ITV3, etc.
No ITV1 Channel 4 or 5. and loads of others are gone.
It sounds like the same problem you had, although the lost channels are different.
Did you find out what the problem was?
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