Full Freeview on the Llanddona (Isle of Anglesey, Wales) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 53.307,-4.128 or 53°18'25"N 4°7'41"W |  | LL58 8YB |
The symbol shows the location of the Llanddona (Isle of Anglesey, Wales) transmitter which serves 44,000 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 Llanddona (Isle of Anglesey, Wales) mast?
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 04/12/2023 Pixelation or flickering 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.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
The Llanddona (Isle of Anglesey, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: .
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 Llanddona 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.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
The Llanddona (Isle of Anglesey, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: .
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 Llanddona transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 210km south-southeast (164°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 213km south-southeast (165°)
to ITV Wales region - 206 masts.
How will the Llanddona (Isle of Anglesey, Wales) transmission frequencies change over time?
| 1950s-80s | 1984-97 | 1997-98 | 1998-2009 | 2009-13 | 2013-18 | 2013-17 | 14 Nov 2018 | ||
| VHF | C/D E | C/D E | C/D E | E T | E T | E T | B E T | ||
| C1 | BBCtvwaves | ||||||||
| C40 | ArqB | ArqB | BBCA | ||||||
| C41 | SDN | ||||||||
| C43 | SDN | SDN | SDN | D3+4 | |||||
| C44 | ArqA | ||||||||
| C46 | ArqA | ArqA | ArqA | BBCB | |||||
| C47 | ArqB | ||||||||
| C50tv_off | ArqB | ||||||||
| C51tv_off | _local | _local | _local | _local | |||||
| C53tv_off | C4waves | C4waves | C4waves | BBCB | BBCB | BBCB | |||
| C57tv_off | BBC1waves | BBC1waves | BBC1waves | BBCA | BBCA | BBCA | |||
| C60tv_off | ITVwaves | ITVwaves | ITVwaves | -D3+4 | -D3+4 | -D3+4 | |||
| C63 | 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 | 100kW | |
| BBCA, D3+4, BBCB | (-7dB) 20kW | |
| SDN, ARQA, ARQB | (-10dB) 10kW | |
| Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D* | (-20dB) 1000W |
Which companies have run the Channel 3 services in the Llanddona transmitter area
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Wednesday, 25 October 2017
Transmitter engineering
6:09 PM
6:09 PM
LLANDDONA transmitter - DAB: BBC National DAB Radio Weak Signal from 11:18 today to 12:37 today. FM: Radio 1 FM Weak Signal from 11:16 today to 12:35 today, Radio 2 FM Weak Signal from 11:15 today to 12:35 today, Radio 3 FM Weak Signal from 11:15 today to 12:35 today, Radio 4 FM [BBC]
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Thursday, 26 October 2017
Transmitter engineering
6:09 AM
6:09 AM
LLANDDONA transmitter - DAB: BBC National DAB Radio Weak Signal from 11:18 yesterday to 12:37 yesterday. FM: Radio 1 FM Weak Signal from 11:16 yesterday to 12:35 yesterday, Radio 2 FM Weak Signal from 11:15 yesterday to 12:35 yesterday, Radio 3 FM Weak Signal from 11:15 yesterda [BBC]
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Friday, 27 October 2017
Transmitter engineering
6:09 AM
6:09 AM
LLANDDONA transmitter - DAB: BBC National DAB Radio Weak Signal from 11:18 on 25 Oct to 12:37 on 25 Oct. FM: Radio 1 FM Weak Signal from 11:16 on 25 Oct to 12:35 on 25 Oct, Radio 2 FM Weak Signal from 11:15 on 25 Oct to 12:35 on 25 Oct, Radio 3 FM Weak Signal from 11:15 on 25 Oc [BBC]
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Sunday, 12 November 2017
MikeB: poor freeview receipting for the last 3-4 from llanddona late morning to around 4-5pm any engineering works going on? Can't see anything when I check.
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MikeP
5:19 PM
5:19 PM
Rhian Williams:
I presume you mean 'poor reception'. To be able to offer any advice we need a full post code so that we can examine the reception conditions at your location.
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Tuesday, 12 December 2017
Transmitter engineering
2:09 PM
2:09 PM
LLANDDONA transmitter - DAB: BBC National DAB Radio Off Air from 08:05 today to 08:23 today. [BBC]
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Wednesday, 13 December 2017
Transmitter engineering
5:09 AM
5:09 AM
LLANDDONA transmitter - DAB: BBC National DAB Radio Off Air from 08:05 yesterday to 08:23 yesterday. [BBC]
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Thursday, 14 December 2017
Transmitter engineering
5:09 AM
5:09 AM
LLANDDONA transmitter - DAB: BBC National DAB Radio Off Air from 08:05 on 12 Dec to 08:23 on 12 Dec. [BBC]
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Monday, 18 December 2017
C
Chris10:18 AM
Postcode LL777UR, last couple of days CCTV on channel 260 (a data channel) is only giving a test card with the number 15048 and the time. Is the CCTV channel no longer being broadcast from Llandona or is there a problem with the transmission?
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Sunday, 24 December 2017
Transmitter engineering
11:09 PM
11:09 PM
LLANDDONA transmitter - DAB: BBC National DAB Radio Off Air from 20:48 today to 20:49 today. [BBC]
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