Full Freeview on the Wenvoe (Cardiff, Wales) transmitter
Brian Butterworth first published this on - UK Free TV
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.
This transmitter has no current reported problems
The BBC and Digital UK report there are no faults or engineering work on the Wenvoe (Cardiff, Wales) transmitter._______
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, 16 September 2022
S
StevensOnln16:09 PM
Mike: It's originally down to having to accommodate S4C and making it available from every Welsh transmitter. S4C takes E4's space on the PSB2 multiplex, so E4 takes a slot on the COM4 multiplex in Wales only, leaving a slot which is available on COM4 in England/Scotland/Northern Ireland, which for the last few years has been occupied by Great Movies Action (formerly Sony Movies Action) with the broadcaster benefiting from lower costs as they are reaching a few million fewer viewers.
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Tuesday, 8 November 2022
Mike: why cant i get channel 52 in newquaytr73ba cornwall
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C
Chris.SE10:38 PM
Michael Hanlon:
See my reply to your other post at All of the free TV channels on PGSTART1650 in the UK | free and easy
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Tuesday, 29 November 2022
C
Chris.SE12:12 AM
A reminder that COM7 has now closed (COM8 closed in 2020) so,
The UHF channels for Wenvoe are C41, C44, C47, C42, C45, C39, C37 that's in the multiplex order BBCA/PSB1, D3&4/PSB2, BBCB HD/PSB3, SDN/COM4, ArqA/COM5, ArqB/COM6, Local.
(C means UHF channel).
Whether or not you can receive the Local multiplex will depend on whether you are generally North of the transmitter and specifically your postcode to determine if you are likely to get adequate signal.
Also , see Channel listings for Industry Professionals | Freeview for which TV channel;s are carried by which multiplex.
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Monday, 2 January 2023
C
Carol Burson12:17 PM
Cardiff
My postcode is CF11 0SF . Flat no 728, sea facing. NO outdoor tv aerial.
I have recently had BT TV put into my flat, and I need an indoor aerial to be able to get the maximum amount of channels to watch and record through it. There are no TV aerials pre wired at my development, and not allowed to fit an outdoor aerial.
I bought an indoor aerial suitable for up to 9 miles from transmitter, with a built in booster, but it was useless, direct into TV, nothing but snow, the BT box also failed to pick up a signal.
Can you please recommend an indoor aerial that is suitable for my tv system and location.
( NB we are approx 4 miles from the Wenvoe Transmitter.)
Thank you
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Carol's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
C
Chris.SE4:36 PM
Carol Burson:
Most claims by these "indoor" aerial which claim suitable for so many miles etc. are complete rubbish. Some indoor aerials can be better than others. What make and model is the one you have?
The Wenvoe transmitter is 7km (4&1/3 miles) from you at compass bearing 281 degrees - that's 11 degrees N of due West and is the way the aerial needs to point, ideally through a clear window. If you have thick walls, large metal objects such as fridges/freezers in the way it will affect or stop any signal.
If you can't point it that way, try compass bearing 121 degrees, that's 14 degrees E of SE. Although the signal will be weaker you might get some from the Mendip transmitter.
If this aerial has any rods, they should be horizontal. But tell us the make and model, as well as what line of vieew you have, and we should be able to advise further.
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Sunday, 26 March 2023
R
Richard Smith11:53 AM
I have had pixellation on certain channels for a week or so. Checking the affected channels, I think it is one
multiplex that is affected, COM6, ArqB.
Started early last week and today, Sunday 26th still happening.
Is there engineering work continuing or could there be a multiplex fault?
Regards, Richard Smith, ex NTL St Hilary Broadcast employee
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R
Richard Smith11:58 AM
Bridgend
Following on from my previous post, I am postal code CF31 2ND and I believe my transmitter is Wenvoe.
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Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
R
Richard Smith12:09 PM
Problem solved. A simple channel retune cured the pixellation. Thank you for this website.
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C
Chris.SE1:51 PM
Richard Smith:
Hi Richard. I'm glad you managed to solve the problem, thanks for the feedback. Your main transmitter is indeed Wenvoe, but you may also get signals from a number of other transmitters in your location, Mendip being the strongest, then the Llangeinor relay (PSBs only), and some weak/variable signals from Stockland Hill and Huntshaw Cross in Devon.
If you happened to retune (or your set did it automatically) when you had no or badly pixellated signals, it often clears correct tuning and can tune to other signals. Maybe COM6 was down during the Engineering if this happened.
Generally it's not recommended to retune in those conditions if you were correctly tuned, just wait until signals return. (Same when adverse weather affects reception).
Best thing is to check you are correctly tuned to Wenvoe's UHF channels (as listed at the very top of this page).
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