Freeview Light on the Cemaes (Isle of Anglesey, Wales) transmitter
Google map | Bing map | Google Earth | 53.405,-4.449 or 53°24'18"N 4°26'56"W | LL67 0LW |
The symbol shows the location of the Cemaes (Isle of Anglesey, Wales) transmitter which serves 800 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 Cemaes (Isle of Anglesey, 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 Cemaes (Isle of Anglesey, 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 Cemaes 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 | C22 (482.0MHz) | 56m | DTG- | 11W |
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 | C25 (506.0MHz) | 56m | DTG- | 11W |
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 | C28 (530.0MHz) | 56m | DTG- | 11W |
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 Cemaes (Isle of Anglesey, 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 Cemaes transmitter?

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 228km south-southeast (160°)
to BBC Wales region - 206 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 231km south-southeast (161°)
to ITV Wales region - 206 masts.
How will the Cemaes (Isle of Anglesey, Wales) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2009 | 2009-13 | 14 Nov 2018 | |||||
B E T | B E T | B E T | B E T | A K T | |||||
C22 | BBCA | ||||||||
C25 | D3+4 | ||||||||
C28 | BBCB | ||||||||
C40 | BBC1waves | BBC1waves | BBC1waves | ||||||
C42 | BBCB | ||||||||
C43 | ITVwaves | ITVwaves | ITVwaves | ||||||
C45 | BBCA | ||||||||
C46 | BBC2waves | BBC2waves | BBC2waves | ||||||
C49tv_off | D3+4 | ||||||||
C50tv_off | 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?
Analogue 1-4 | 14W | |
BBCA, D3+4, BBCB | (-1dB) 11W |
Which companies have run the Channel 3 services in the Llanddona transmitter area
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Wednesday, 17 May 2017
Transmitter engineering
5:32 AM
5:32 AM
CEMAES transmitter - Freeview: BBC Digital TV Off Air from 09:04 yesterday to 16:06 yesterday, HD Digital TV Off Air from 09:04 yesterday to 16:06 yesterday. [BBC]
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Thursday, 18 May 2017
Transmitter engineering
5:32 AM
5:32 AM
CEMAES transmitter - Freeview: BBC Digital TV Off Air from 09:04 on 16 May to 16:06 on 16 May, HD Digital TV Off Air from 09:04 on 16 May to 16:06 on 16 May. [BBC]
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Thursday, 30 November 2017
Transmitter engineering
11:09 AM
11:09 AM
CEMAES transmitter - Freeview: BBC Digital TV Off Air; DSO related from 09:01 today, HD Digital TV Off Air; DSO related from 09:01 today. [BBC]
link to this comment |
Transmitter engineering
8:09 PM
8:09 PM
CEMAES transmitter - Freeview: BBC Digital TV Off Air; DSO related from 09:01 today to 15:37 today, HD Digital TV Off Air; DSO related from 09:01 today to 15:37 today. [BBC]
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Friday, 1 December 2017
Transmitter engineering
5:09 AM
5:09 AM
CEMAES transmitter - Freeview: BBC Digital TV Off Air; DSO related from 09:01 yesterday to 15:37 yesterday, HD Digital TV Off Air; DSO related from 09:01 yesterday to 15:37 yesterday. [BBC]
link to this comment |
Saturday, 2 December 2017
Transmitter engineering
8:09 AM
8:09 AM
CEMAES transmitter - Freeview: BBC Digital TV Off Air; DSO related from 09:01 on 30 Nov to 15:37 on 30 Nov, HD Digital TV Off Air; DSO related from 09:01 on 30 Nov to 15:37 on 30 Nov. [BBC]
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Wednesday, 24 January 2018
Transmitter engineering
10:29 PM
10:29 PM
CEMAES transmitter - Freeview: HD Digital TV Weak Signal from 20:15 today to 20:17 today. [BBC]
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Thursday, 25 January 2018
Transmitter engineering
4:29 AM
4:29 AM
CEMAES transmitter - Freeview: HD Digital TV Weak Signal from 20:15 yesterday to 20:17 yesterday. [BBC]
link to this comment |
Friday, 26 January 2018
Transmitter engineering
4:29 AM
4:29 AM
CEMAES transmitter - Freeview: HD Digital TV Weak Signal from 20:15 on 24 Jan to 20:17 on 24 Jan. [BBC]
link to this comment |
Wednesday, 7 February 2018
Transmitter engineering
4:28 PM
4:28 PM
CEMAES transmitter - Freeview: HD Digital TV Weak Signal from 13:22 today to 13:40 today. [BBC]
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