Freeview Light on the Llandderfel (Gwynedd, Wales) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 52.911,-3.503 or 52°54'40"N 3°30'12"W |  | LL23 7PY |
The symbol shows the location of the Llandderfel (Gwynedd, Wales) transmitter which serves 1,300 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 Llandderfel (Gwynedd, Wales) transmitter._______
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 Llandderfel (Gwynedd, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! christmas, GREAT! movies extra, GREAT! movies, 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, TCC, That's 90s, That's Christmas, Together TV, TRUE CRIME, TRUE CRIME XTRA, W, Yesterday +1.
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 Llandderfel 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 | C32 (562.0MHz) | 319m | DTG- | 2W |
 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 | C34 (578.0MHz) | 319m | DTG- | 2W |
 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), | |||||
| PSB3 BBCB | V max | C35 (586.0MHz) | 319m | DTG- | 2W |
 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 Llandderfel (Gwynedd, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! christmas, GREAT! movies extra, GREAT! movies, 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, TCC, That's 90s, That's Christmas, Together TV, TRUE CRIME, TRUE CRIME XTRA, W, Yesterday +1.
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 Llandderfel transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 158km south (174°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 162km south (175°)
to ITV Wales region - 206 masts.
How will the Llandderfel (Gwynedd, Wales) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2009 | 2009-13 | 2013-18 | 2013-17 | 27 Feb 2019 | |||
| C/D E | C/D E | C/D E | C/D E | C/D E T | C/D E T | A K T | |||
| C32 | BBCA | ||||||||
| C34 | D3+4 | ||||||||
| C35 | BBCB | ||||||||
| C50tv_off | BBCA | BBCA | |||||||
| C55tv_off | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | D3+4 | |||
| C59tv_off | C4waves | C4waves | C4waves | BBCB | BBCB | BBCB | |||
| C62 | BBC2waves | BBC2waves | BBC2waves | BBCA | |||||
| C65 | ITVwaves | ITVwaves | ITVwaves |
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 28 Oct 09 and 25 Nov 09.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 6W | |
| BBCA, D3+4, BBCB | (-4.8dB) 2W |
Which companies have run the Channel 3 services in the Moel-Y-Parc transmitter area
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Thursday, 5 October 2017
Transmitter engineering
8:33 AM
8:33 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 05:23 today to 07:07 today, HD Digital TV Off Air from 05:23 today to 07:07 today. [BBC]
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Friday, 6 October 2017
Transmitter engineering
5:35 AM
5:35 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 05:23 yesterday to 07:07 yesterday, HD Digital TV Off Air from 05:23 yesterday to 07:07 yesterday. [BBC]
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Saturday, 7 October 2017
Transmitter engineering
5:31 AM
5:31 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 05:23 on 05 Oct to 07:07 on 05 Oct, HD Digital TV Off Air from 05:23 on 05 Oct to 07:07 on 05 Oct. [BBC]
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Tuesday, 17 October 2017
Transmitter engineering
6:09 PM
6:09 PM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 16:09 today, HD Digital TV Off Air from 16:09 today. [BBC]
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Transmitter engineering
9:09 PM
9:09 PM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 16:09 today to 17:11 today, HD Digital TV Off Air from 16:09 today to 17:11 today. [BBC]
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Wednesday, 18 October 2017
Transmitter engineering
6:09 AM
6:09 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 16:09 yesterday to 17:11 yesterday, HD Digital TV Off Air from 16:09 yesterday to 17:11 yesterday. [BBC]
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Thursday, 19 October 2017
Transmitter engineering
5:31 AM
5:31 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 16:09 on 17 Oct to 17:11 on 17 Oct, HD Digital TV Off Air from 16:09 on 17 Oct to 17:11 on 17 Oct. [BBC]
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Friday, 9 March 2018
Transmitter engineering
1:29 PM
1:29 PM
LLANDDERFEL transmitter - Freeview: HD Digital TV Wrong Region from 18:11 yesterday to 18:19 yesterday. [BBC]
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Saturday, 10 March 2018
Transmitter engineering
4:29 AM
4:29 AM
LLANDDERFEL transmitter - Freeview: HD Digital TV Wrong Region from 18:11 on 08 Mar to 18:19 on 08 Mar. [BBC]
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Thursday, 17 May 2018
Transmitter engineering
12:05 PM
12:05 PM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air; DSO related from 09:03 today, HD Digital TV Off Air; DSO related from 09:03 today. [BBC]
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