Freeview Light on the Arfon (Gwynedd, Wales) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 53.019,-4.273 or 53°1'9"N 4°16'24"W |  | LL54 6DT |
The symbol shows the location of the Arfon (Gwynedd, Wales) transmitter which serves 17,000 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 Arfon (Gwynedd, Wales) mast?
Arfon transmitter - Arfon transmitter: Possible effect on TV reception week commencing 28/10/2024 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.
H/V: aerial position (horizontal or vertical)
The Arfon (Gwynedd, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, FRANCE 24 (in English), GREAT! action, GREAT! christmas, GREAT! movies, GREAT! romance mix, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which Freeview channels does the Arfon 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.
| Mux | H/V | Frequency | Height | Mode | Watts |
| PSB1 BBCA | V max | C29+ (538.2MHz) | 611m | DTG- | 2,000W |
 1 BBC One (SD) Wales, 2 BBC Two Wales, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 14 others | |||||
| PSB2 D3+4 | V max | C31 (554.0MHz) | 611m | DTG- | 2,000W |
 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Wales), 71 That’s 60s, | |||||
| PSB3 BBCB | V max | C37 (602.0MHz) | 611m | DTG- | 2,000W |
 46 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD Wales, 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 110 Channel 4 HD (Wales), 204 CBBC HD, 205 CBeebies HD, plus 1 others | |||||
Are you trying to watch these 44 Freeview channels?
The Arfon (Gwynedd, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, FRANCE 24 (in English), GREAT! action, GREAT! christmas, GREAT! movies, GREAT! romance mix, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which BBC and ITV regional news can I watch from the Arfon transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 184km south-southeast (158°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 186km south-southeast (159°)
to ITV Wales region - 206 masts.
How will the Arfon (Gwynedd, Wales) transmission frequencies change over time?
| 1962-80s | 1984-97 | 1997-98 | 1998-2009 | 2009-13 | 14 Nov 2018 | ||||
| VHF | B E T | B E T | B E T | B E K T | A K T | ||||
| C10 | ITVwaves | ||||||||
| C29 | BBCA | ||||||||
| C31 | D3+4 | ||||||||
| C37 | BBCB | ||||||||
| C41 | ITVwaves | ITVwaves | ITVwaves | +BBCA | |||||
| C44 | BBC2waves | BBC2waves | BBC2waves | D3+4 | |||||
| C47 | C4waves | C4waves | C4waves | BBCB | |||||
| C51tv_off | BBC1waves | BBC1waves | BBC1waves |
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 21 Oct 09 and 18 Nov 09.
How do the old analogue and currrent digital signal levels compare?
| BBCA, D3+4, BBCB | 2kW | |
| Analogue 1-4 | (-27dB) 4W |
Which companies have run the Channel 3 services in the Llanddona transmitter area
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Friday, 13 April 2012
Saturday, 14 April 2012
Aerialman: OK...
The top highest (datum) relays are:
611m Arfon
608m Strathyre Link
581m Strabane
578m North Hessary Tor
557m Kielder
556m Braemar
542m Alston
530m Kirkconnel
530m South Knapdale
513m Llandrindod Wells
504m Ebbw Vale
500m Tullich
497m Llandinam
488m Tomintoul
And the lowest:
13m Attadale
16m Borve
16m Turnpike Hill
17m Brading
21m Cromarty
22m Grimsby
23m Easter Compton
23m Ardintoul
23m Lochinver
23m Hythe Marina
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Wednesday, 18 April 2012
G
Garret7:19 PM
We pickup BBC, ITV, S4C, CH4 here in South Dublin (Shankill - D18) quite well (with a masthead amp)
curiously the HD broadcasts don't come in well at all - those channels were fine a couple of weeks ago but seemed to have dropped off now without trace which surprises me as these have the same power output as the SD channels.
Great to be able to pick up all those channels though!
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Thursday, 19 April 2012
A
Aerialman5:01 PM
Garret,It's quite possible that you are receiving a marginal signal from the Cairn Hill transmitter in the Irish Midlands which will cancel out the BBC B/HD Mux from Arfon,both on Channel 47.
Cairn Hill does stray into areas,south of Dublin and at 160Kw is an powerful transmitter.Erespective of different polarizations,between the two transmitters.
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Wednesday, 27 June 2012
M
Mark Wiles7:11 PM
Anyone else in the Arfon transmitter area lost their Freeview HD signal? I've had no HD since Monday but it was fine (albeit on a low signal) over the weekend. ITV channels and C4/S4C normal def are also showing variable signal strength. I've checked the BBC transmitter website and it comes up as reporting a normal service - I've used the web form to ask what is going on but no reply.
For the record, I've rescanned and also tried reverting to factory settings on my Panasonic TX-L37ET5B just in case a software update had caused problems, but nothing doing so I think the TV is fine. Trouble is none of my neighbours can get Freeview HD on their sets so I can't tell if it's widespread or not!
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Wednesday, 25 July 2012
Mark Wiles: As per the posts, "Freeview HD Digital TV Off Air from 10:40 on 10 Jul to 11:36 on 10 Jul".
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Sunday, 9 December 2012
P
Phil Simmons3:04 PM
Criccieth
Hi, I have a static caravan in Criccieth which is covered by the Arfon transmitter. Why is it that we only receive about 17 channels on Freeview whereas at home in Cheshire we can receive aproximately 70+?
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Phil's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Phil Simmons: Because they are the only channels that Arfon broadcasts.
The Commercial network operators don't wish to invest in Arfon and many other smaller relays.
See:
Londonderry transmitter | ukfree.tv - 10 years of independent, free digital TV advice
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Tuesday, 26 March 2013
P
Patrick5:53 PM
Hi Aerial man , I am an aerialman on west side of irish sea . I have been erecting tv aerials in Dublin Wicklow and Wexford since it opened in 1978 whatever, Received as far north as Howth ,and as far south as Gorey. It died rapidly going inland.
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Thursday, 28 March 2013
A
Aerialman8:02 AM
Hi Patrick,interested to read your post.
I suppose most Arfon aerial installs still need mast-head amps?Also do weather conditions cause issues with reception across the Irish Sea?
Finally,is reception of Arfon severely impaired by reception from Cairn Hill?using the same channel numberseg channel 41.
In West Wales,coastal areas,good reception of Mount Leinster is possible,with high pressure,Cairn Hill used to severely co-channel with Presely analogue frequecies.
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