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.
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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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Sunday, 4 July 2021
Transmitter engineering
11:46 PM
11:46 PM
Wenvoe transmitter - Wenvoe transmitter: Possible effect on TV reception week commencing 05/07/2021 Screen may go black on some or all channels [DUK]
link to this comment |
Friday, 17 September 2021
Transmitter engineering
10:47 AM
10:47 AM
Wenvoe transmitter - Wenvoe transmitter: Possible effect on TV reception week commencing 13/09/2021 Screen may go black on some or all channels [DUK]
link to this comment |
Monday, 20 September 2021
Transmitter engineering
6:09 AM
6:09 AM
Wenvoe transmitter - Wenvoe transmitter: Possible effect on TV reception week commencing 20/09/2021 Screen may go black on some or all channels [DUK]
link to this comment |
Monday, 27 September 2021
Transmitter engineering
11:49 AM
11:49 AM
Wenvoe transmitter - Wenvoe transmitter: Possible effect on TV reception week commencing 27/09/2021 Screen may go black on some or all channels [DUK]
link to this comment |
Monday, 4 October 2021
Transmitter engineering
5:43 AM
5:43 AM
Wenvoe transmitter - Wenvoe transmitter: Possible effect on TV reception week commencing 04/10/2021 Screen may go black on some or all channels [DUK]
link to this comment |
Tuesday, 5 October 2021
Transmitter engineering
2:44 PM
2:44 PM
Wenvoe transmitter - Wenvoe transmitter: Possible effect on TV reception week commencing 04/10/2021 Screen may go black on all or certain channels [DUK]
link to this comment |
Saturday, 9 October 2021
C
Chris Pearce1:03 PM
Cowbridge
I have no signal on FM radio at CF71 7DE in Cowbridge yesterday and today from the Wenvoe transmitter
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Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
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Chris Pearce1:03 PM
I have no signal on FM radio at CF717DE in Cowbridge yesterday and today from the Wenvoe transmitter
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Chris Pearce1:07 PM
I have no signal on FM radio at CF717DE in Cowbridge yesterday and today from the Wenvoe transmitter.
Aerial is in loft.
FM worked fine until 4th October
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Chris.SE3:41 PM
Chris Pearce:
Hmm, rather odd, have your signals returned? I assume you mean BBC stations on FM, if not which stations?
Whilst Wenvoe has been listed for Planned Engineering, the BBC are normally quite good at listing faults or outages but the only one currently listed is -
From 1:56am to 3:33am on 8th Oct 2021 BBC Radio 1 Slightly reduced power due to a fault.
The list may yet to be updated of course, these things don't always happen immediately.
You should be receiving Wenvoe with no issues at present as I'm getting my usual FM stations from Wenvoe.
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