Freeview Light on the Llandecwyn (Gwynedd, Wales) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 52.914,-4.018 or 52°54'51"N 4°1'5"W |  | LL47 6YT |
The symbol shows the location of the Llandecwyn (Gwynedd, Wales) transmitter which serves 3,600 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 Llandecwyn (Gwynedd, Wales) mast?
Llandecwyn transmitter - Llandecwyn transmitter: Possible effect on TV reception week commencing 04/12/2023 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 Llandecwyn (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 Llandecwyn 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) | 301m | DTG- | 60W |
 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) | 301m | DTG- | 60W |
 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) | 301m | DTG- | 60W |
 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 Llandecwyn (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 Llandecwyn transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 167km south-southeast (162°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 169km south-southeast (163°)
to ITV Wales region - 206 masts.
How will the Llandecwyn (Gwynedd, Wales) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2009 | 2009-13 | 2013-18 | 2013-17 | 14 Nov 2018 | |||
| 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 | ||||||||
| C49tv_off | BBCA | BBCA | |||||||
| C54tv_off | C4waves | C4waves | C4waves | BBCB | BBCB | BBCB | |||
| C58tv_off | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | D3+4 | |||
| C61 | ITVwaves | ITVwaves | ITVwaves | BBCA | |||||
| C64 | BBC2waves | BBC2waves | BBC2waves |
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?
| Analogue 1-4 | 300W | |
| BBCA, D3+4, BBCB | (-7dB) 60W |
Local transmitter maps
Llandecwyn Freeview Llandecwyn DAB Llandecwyn AM/FM Llanddona TV region BBC Wales WalesWhich companies have run the Channel 3 services in the Llanddona transmitter area
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Is the transmitter output the same in all directions?
Radiation patterns withheldSunday, 3 February 2019
Transmitter engineering
4:32 AM
4:32 AM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 09:08 on 30 Jan to 09:25 on 30 Jan, HD Digital TV Off Air; DSO related from 15:24 on 01 Feb to 15:28 on 01 Feb, HD Digital TV Reduced Quality from 14:05 on 31 Jan to 15:24 on 01 Feb. DAB: BBC National DAB [BBC]
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Transmitter engineering
10:32 PM
10:32 PM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 09:08 on 30 Jan to 09:25 on 30 Jan, HD Digital TV Reduced Quality from 14:05 on 31 Jan to 15:24 on 01 Feb, HD Digital TV Off Air; DSO related from 15:24 on 01 Feb to 15:28 on 01 Feb. DAB: BBC National DAB [BBC]
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Monday, 4 February 2019
Transmitter engineering
4:32 AM
4:32 AM
LLANDECWYN transmitter - Freeview: HD Digital TV Off Air; DSO related from 15:24 on 01 Feb to 15:28 on 01 Feb, HD Digital TV Reduced Quality from 14:05 on 31 Jan to 15:24 on 01 Feb. [BBC]
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Tuesday, 12 March 2019
Transmitter engineering
5:09 PM
5:09 PM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 14:14 yesterday to 14:15 today. [BBC]
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Wednesday, 13 March 2019
Transmitter engineering
5:09 AM
5:09 AM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 14:14 on 11 Mar to 14:15 yesterday. [BBC]
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Thursday, 14 March 2019
Transmitter engineering
5:09 AM
5:09 AM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 14:14 on 11 Mar to 14:15 on 12 Mar. DAB: BBC National DAB Radio Very Weak Signal from 01:48 today. [BBC]
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Transmitter engineering
8:09 AM
8:09 AM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 14:14 on 11 Mar to 14:15 on 12 Mar. DAB: BBC National DAB Radio Very Weak Signal from 01:48 today to 04:56 today. [BBC]
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Friday, 15 March 2019
Transmitter engineering
5:09 AM
5:09 AM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 14:14 on 11 Mar to 14:15 on 12 Mar. DAB: BBC National DAB Radio Very Weak Signal from 01:48 yesterday to 04:56 yesterday. [BBC]
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Saturday, 16 March 2019
Transmitter engineering
5:09 AM
5:09 AM
LLANDECWYN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 14:14 on 11 Mar to 14:15 on 12 Mar. DAB: BBC National DAB Radio Very Weak Signal from 01:48 on 14 Mar to 04:56 on 14 Mar. [BBC]
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Sunday, 17 March 2019
Transmitter engineering
5:09 AM
5:09 AM
LLANDECWYN transmitter - DAB: BBC National DAB Radio Very Weak Signal from 01:48 on 14 Mar to 04:56 on 14 Mar. [BBC]
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