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 16/09/2024 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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Monday, 23 August 2021
S
StevensOnln15:22 PM
gwil John: A wideband type aerial such as a log periodic is generally recommended rather than a grouped aerial (unless you are in an area of weak signal) as it will cover all frequencies which could be used in the future, rather than just the frequencies used now.
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Tuesday, 24 August 2021
C
Chris.SE12:07 AM
gwil John:
An alternative would be a Group K aerial, this should also help reduce any interference from any new mobile masts which may appear in due course. As you are only 16km from Llanddona predictions show you should have very good reception.
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Monday, 6 September 2021
Transmitter engineering
11:23 AM
11:23 AM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 06/09/2021 Pixelation or flickering on some or all channels [DUK]
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Monday, 13 September 2021
Transmitter engineering
11:23 AM
11:23 AM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 13/09/2021 Pixelation or flickering on some or all channels [DUK]
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Transmitter engineering
5:22 PM
5:22 PM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 13/09/2021 Screen may go black on all or certain channels [DUK]
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Friday, 8 October 2021
Transmitter engineering
2:44 PM
2:44 PM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 04/10/2021 Pixelation or flickering on some or all channels [DUK]
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Monday, 11 October 2021
Transmitter engineering
5:43 AM
5:43 AM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 11/10/2021 Pixelation or flickering on some or all channels [DUK]
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Friday, 15 October 2021
Transmitter engineering
11:29 AM
11:29 AM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 11/10/2021 Possible Pixelation or flickering on some or all channels [DUK]
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Monday, 18 October 2021
Transmitter engineering
8:36 AM
8:36 AM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 18/10/2021 Possible Pixelation or flickering on some or all channels [DUK]
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Monday, 25 October 2021
Transmitter engineering
5:43 AM
5:43 AM
Llanddona transmitter - Llanddona transmitter: Possible effect on TV reception week commencing 25/10/2021 Possible Pixelation or flickering on some or all channels [DUK]
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