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 18/11/2024 Screen may go black 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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Saturday, 10 December 2011
M
michael9:35 AM
Port Talbot : Dave Lindsay is correct. Because of local topography, there are four low-power relays in the Port Talbot area. You have probably been receiving the full range of broadcasts from Kilvey Hill, Preseli and/or Wenvoe. Research this website to find the channels for each of these main transmitters which might reach your location. You would then need to experiment by tuning in each channel/multiplex separately (not automatic search or tuning!) and possibly to re-orient your roof-top aerial to point to the main transmitter providing the best signal.
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Wednesday, 14 December 2011
Monday, 16 January 2012
A
A.J.CURRY4:28 PM
can you please advise on the followingon
After about 5/6 hours continous viewing a message appears say that the t.v will turn off to keep it on press any button on the remote it would seem that is not the T.V as other people are having the same problem in the area served by the Wenvoe Transmitter
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Tuesday, 17 January 2012
A.J.CURRY: This is the "auto standby" facility on your television set.
Check in the TV's menus to turn it off.
On the LG that I have here you do this by pressing MENU then selecting TIME and AUTOMATIC STANDBY and then choosing OFF.
This has nothing do with Freeview or any transmitter.
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Wednesday, 18 January 2012
J
John9:28 AM
A.J.Curry - Oddly enough I had to do that to my in-laws new TV the other day. There was an eco setting somewhere in the menus which turned it off after x hours of non-activity (where x could be defined as 1, 2, 3, 4 etc. hours).
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Saturday, 21 January 2012
J
julie4:15 PM
Blackwood
we can only reciev 19 free view channels how can we improve this
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julie's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
J
jb386:36 PM
julie: Your location is indicated as only being able to receive Freeview "light" PSB only transmissions, that meaning the BBC & ITV range of channels as well as the HD service.
Needless to say there is nothing you can really do to change things, unless that is by deciding to go over to Freesat as that's the only way you will receive a full service.
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Sunday, 22 January 2012
Monday, 23 January 2012
S
Symon Densham8:14 PM
Newport
Could you tell me why on my main tv a 5 year old philips I get all channels but on the 2 year old tv in the bedroom I have a lot of channels missing,both tv's run off the same ariel pointing at Wenvoe, some channels indicate full signal and others don't, I have tried re-installing but no go, any idea's?
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Symon's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
Tuesday, 24 January 2012
M
Miles9:29 AM
Usk
My Freeview has dropped like a stone recently and I'm left with just the BBC channels. My postcode is NP15 1EQ and whilst i'm 'tuned' to Welsh broadcasts (I'm guessing Wenvoe), I'm wondering if i should have the aerial repositioned. Is Freeview signal affected by PV panels? The aerial cable runs beneath some and i wonder if there is a magnetic field disturbing it?
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Miles's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
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