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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Friday, 14 January 2011
R
ron2:18 PM
what are the frequincies for the wenvoe transmitter?trying to get welsh for customer in bristol
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ron: They are listed at the top of the page, several times.
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Wednesday, 19 January 2011
S
Spearo9:36 PM
Barry
Hi, just bought a Humax but not picking up E4, Fiver etc on the SDN multiplex - if I do manual search for E4 Humax says 0% signal. Took back a Hitachi box as it was picking them up but with occasional interference and I thought the box was faulty. Aerial is newish (mid last year, professionally fitted) Postcode is CF62 3HX. Strangely a Freeview TV we have picks up these channels on it own. Please help as wife wants to watch all the US stuff on E4.
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Spearo's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
S
Spearo9:54 PM
Just found the E4, Fiver channels in the unknown list (channel numbers 800+) on the Humax which apparently means that the aerial is receiving from more than one transmitter.
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Thursday, 20 January 2011
Wednesday, 26 January 2011
P
Paul11:03 AM
Pontyclun
Hi All,
Just had to retune my Freeview Box and now for some reason I can now pickup Ch4HD as well as the 4 others (BBC1 BBC ITV S4C), It was my understand that Ch4 HD was a no no in Wales?? I'M not complaining it just seems odd that I couldn't pick it before but now I can.
Has anything Changed at Wenvoe?
cheers
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Paul's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Paul: C4HD is provided from the Mendip transmitter, which you can also receive as it is directly "behind" Wenvoe from you location.
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P
Paul11:21 AM
Pontyclun
Briantist,
Ok thank you for the information, it just seems odd that I had to retune my box today and it tuned 4HD in where as before I was not able to get. Have some work been going on?????
Ok just checked again and have found and I've also got other BBC channels in the 800's, again never had this before
cheers
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Paul's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Paul: No work has been done. Can you see Digital Region Overlap | ukfree.tv - independent free digital TV advice ?
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