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, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, YAAAS!, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, Film4 +1, Food Network, GB News, GREAT! movies, GREAT! movies action, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, That's TV (UK), Together TV, 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, 250 BBC Red Button, plus 13 others | |||||
| PSB2 D3+4 | V max | C34 (578.0MHz) | 319m | DTG- | 2W |
 5 Channel 5, 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV1 +1 (Wales), | |||||
| PSB3 BBCB | V max | C35 (586.0MHz) | 319m | DTG- | 2W |
 56 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD (England), 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 43 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, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, YAAAS!, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, Film4 +1, Food Network, GB News, GREAT! movies, GREAT! movies action, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, That's TV (UK), Together TV, 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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Wednesday, 20 June 2018
Transmitter engineering
6:04 AM
6:04 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air; DSO related from 04:56 yesterday to 05:16 yesterday, HD Digital TV Off Air; DSO related from 04:55 yesterday to 05:17 yesterday. [BBC]
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Thursday, 21 June 2018
Transmitter engineering
6:04 AM
6:04 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air; DSO related from 04:56 on 19 Jun to 05:16 on 19 Jun, HD Digital TV Off Air; DSO related from 04:55 on 19 Jun to 05:17 on 19 Jun. [BBC]
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Monday, 30 July 2018
Transmitter engineering
9:08 AM
9:08 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 07:35 today, HD Digital TV Off Air from 07:35 today. [BBC]
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Transmitter engineering
12:08 PM
12:08 PM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 07:35 today to 08:28 today, HD Digital TV Off Air from 07:35 today to 08:28 today. [BBC]
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Tuesday, 31 July 2018
Transmitter engineering
6:08 AM
6:08 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 07:35 yesterday to 08:28 yesterday, HD Digital TV Off Air from 07:35 yesterday to 08:28 yesterday. [BBC]
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Wednesday, 1 August 2018
Transmitter engineering
6:08 AM
6:08 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 07:35 on 30 Jul to 08:28 on 30 Jul, HD Digital TV Off Air from 07:35 on 30 Jul to 08:28 on 30 Jul. [BBC]
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Tuesday, 28 August 2018
Transmitter engineering
12:08 PM
12:08 PM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 09:43 today, HD Digital TV Off Air from 09:43 today. [BBC]
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Transmitter engineering
3:08 PM
3:08 PM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 09:43 today to 10:42 today, HD Digital TV Off Air from 09:43 today to 10:42 today. [BBC]
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Wednesday, 29 August 2018
Transmitter engineering
6:08 AM
6:08 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 09:43 yesterday to 10:42 yesterday, HD Digital TV Off Air from 09:43 yesterday to 10:42 yesterday. [BBC]
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Thursday, 30 August 2018
Transmitter engineering
6:08 AM
6:08 AM
LLANDDERFEL transmitter - Freeview: BBC Digital TV Off Air from 09:43 on 28 Aug to 10:42 on 28 Aug, HD Digital TV Off Air from 09:43 on 28 Aug to 10:42 on 28 Aug. [BBC]
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