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 15/04/2024 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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Friday, 20 April 2012
C
charm2:16 PM
Telford
Could you tell me what signal strengh my area is tf7 4ef
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charm's: ...
A
Adam B2:40 PM
charm:
Assuming you are receiving your signal from The Wrekin (aerial pointing to the West), you should be getting a strong signal, possibly too strong. If you are having problems, please see
Freeview signals: too much of a good thing is bad for you | ukfree.tv - independent free digital TV advice
Hope this helps,
Adam.
(LU61RG)
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Tuesday, 8 May 2012
WENVOE transmitter - voe Transmitter works 9 May 2012: Engineering transmitter work will take place between 00:01hrs and 06:00hrs. TV services that will be disrupted: Analogue services - n/a Digital services - PSB1, PSB2, PSB3, COM4, COM5 and COM6 will be subject to periods of shutdown. [DUK] Over the next week Wenvoe main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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WENVOE transmitter - voe Transmitter works 9 May 2012: Engineering transmitter work will take place between 00:01hrs and 06:00hrs. TV services that will be disrupted: Analogue services - n/a Digital services - PSB1, PSB2, PSB3, COM4, COM5 and COM6 will be subject to periods of shutdown. [DUK] Over the next week Wenvoe main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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Saturday, 16 June 2012
A
albert3:37 PM
Bexhill-on-sea
thanks for quick response ,have followed the freeview reset proceedure still no 30 group FV. my aerial is on the top of my chimney stack. TN39 5HG
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albert's: mapA's Freeview map terrainA's terrain plot wavesA's frequency data A's Freeview Detailed Coverage
Monday, 18 June 2012
WENVOE transmitter - Over the next week Wenvoe main transmitter: TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK] Over the next week Wenvoe main transmitter: TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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WENVOE transmitter - Over the next week Wenvoe main transmitter: TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK] Over the next week Wenvoe main transmitter: TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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Thursday, 5 July 2012
R
ray2:03 PM
Living in Rhondda Cynon Taff (south) I often lose signal from the wenvoe transmitter (no signal ITV wales, s4c etc) and on return get only 9 carriers detected (usually 10) and get clear ITV west, no S4C...why is this?
Thanks
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Friday, 20 July 2012
J
Joe Griffiths1:50 PM
Caerphilly
I live in caerphilly and have pointed my aerial to the wenvoe transmitter to increase the number of channels i can recieve but the signal strength not good and the picture breaks up. What more can i do to enhance my signal
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Joe's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Joe Griffiths: Which channels are breaking up? Have you confirmed that your receiver is tuned to Wenvoe for all channels?
The Van Terrace transmitter one mile away is co-channel with Wenvoe's COMs, although it is vertically polarised and only 2W.
If your Mynydd Machen aerial is Group A (red tip), then it isn't suitable for Wenvoe, which is exclusively Group B. See:
Aerials, TV Aerial and Digital Aerial
If it is a wideband aerial, then a Group B one of similar size will give better gain.
Wenvoe's COMs are half-power to its PSBs. The COMs also use a less robust transmission mode. These two factors "could" mean that the outcome is that they are unavailable, even if the PSBs are.
At present you only get PSB channels. The COMs are restricted to main stations and high power relays.
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