Freeview Light on the Caernarfon (Gwynedd, Wales) transmitter
Google map | Bing map | Google Earth | 53.142,-4.265 or 53°8'30"N 4°15'54"W | LL55 1BT |
The symbol shows the location of the Caernarfon (Gwynedd, Wales) transmitter which serves 900 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 Caernarfon (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 Caernarfon (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 Caernarfon 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 | C24 (498.0MHz) | 28m | DTG- | 5W |
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 | C27 (522.0MHz) | 28m | DTG- | 5W |
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 | C21+ (474.2MHz) | 28m | DTG- | 5W |
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 Caernarfon (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 Caernarfon transmitter?

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 196km south-southeast (160°)
to BBC Wales region - 206 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 199km south-southeast (161°)
to ITV Wales region - 206 masts.
How will the Caernarfon (Gwynedd, Wales) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2009 | 2009-13 | 31 Dec 2018- | |||||
A K T | A K T | A K T | A K T | A K T | |||||
C21 | BBC1waves | BBC1waves | BBC1waves | +BBCB | BBCB | ||||
C24 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | ||||
C27 | BBC2waves | BBC2waves | BBC2waves | D3+4 | D3+4 | ||||
C31 | C4waves | C4waves | C4waves |
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 | 5W | |
Analogue 1-4 | (-4dB) 2W |
Which companies have run the Channel 3 services in the Llanddona transmitter area
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Monday, 13 March 2023
Transmitter engineering
8:09 PM
8:09 PM
CAERNARFON transmitter - Freeview: Poor quality due to a fault from 13 Mar 03:48 until 13 Mar 11:34. Poor quality due to a fault from 12 Mar 16:21 until 12 Mar 22:01. . [BBC]
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Saturday, 2 September 2023
Transmitter engineering
2:19 PM
2:19 PM
CAERNARFON transmitter - Freeview: Off the air due to essential engineering from 2 Sep 10:32 until 2 Sep 13:07. . [BBC]
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Tuesday, 5 September 2023
Transmitter engineering
2:20 PM
2:20 PM
CAERNARFON transmitter - Freeview: Off the air due to a fault from 5 Sep 12:26. Off the air due to essential engineering from 2 Sep 10:32 until 2 Sep 13:07. . [BBC]
link to this comment |
Transmitter engineering
5:20 PM
5:20 PM
CAERNARFON transmitter - Freeview: Off the air due to a fault from 5 Sep 12:26 until 5 Sep 14:25. Off the air due to essential engineering from 2 Sep 10:32 until 2 Sep 13:07. . [BBC]
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Thursday, 7 September 2023
Transmitter engineering
2:20 PM
2:20 PM
CAERNARFON transmitter - Freeview: Off the air due to a fault from 5 Sep 12:26 until 5 Sep 14:25. . [BBC]
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Saturday, 9 September 2023
Transmitter engineering
8:55 PM
8:55 PM
CAERNARFON transmitter - Freeview: Weather conditions may be affecting your reception from 9 Sep 19:54. Off the air due to a fault from 5 Sep 12:26 until 5 Sep 14:25. . [BBC]
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Transmitter engineering
11:56 PM
11:56 PM
CAERNARFON transmitter - Freeview: Weather conditions may be affecting your reception from 9 Sep 19:54 until 9 Sep 20:56. Off the air due to a fault from 5 Sep 12:26 until 5 Sep 14:25. . [BBC]
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Sunday, 10 September 2023
Transmitter engineering
5:20 PM
5:20 PM
CAERNARFON transmitter - Freeview: Weather conditions may be affecting your reception from 9 Sep 19:54 until 9 Sep 20:56. . [BBC]
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Thursday, 21 September 2023
Transmitter engineering
2:20 PM
2:20 PM
CAERNARFON transmitter - Freeview: Off the air due to essential engineering from 21 Sep 10:31 until 21 Sep 11:57. . [BBC]
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