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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Friday, 20 January 2012
LLANDDONA transmitter - Freeview BBC Digital TV Off Air from 01:23 on 18 Jan to 01:59 on 18 Jan [BBC] Over the next week Llanddona main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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Keith: The information is only provided about engineering information on a week-by-week basis.
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K
Keith9:17 AM
Holyhead
Thanks Briantist is there a way I can find out if the engineering work is causing the problem
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Keith's: mapK's Freeview map terrainK's terrain plot wavesK's frequency data K's Freeview Detailed Coverage
Monday, 23 January 2012
Keith: The only way you can do this is to wait until the work is complete and see if the services come back.
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Sunday, 29 January 2012
H
Hilary jones12:39 PM
Caernarfon
We have a bush freeview plus box. All of the channels play very clearly, but none of the BBC channels display any Event Information, which means we do not know what is going to be on, and cannot set Programes to record. All other channels are okay. Our previous freeview box did display BBC info. We have tried changing the box for a new one, and tried it on a different tv, but get the same result.
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Hilary's: mapH's Freeview map terrainH's terrain plot wavesH's frequency data H's Freeview Detailed Coverage
Monday, 30 January 2012
Tuesday, 14 February 2012
LLANDDONA transmitter - nddona Transmitter works 15 February 2012: Engineering transmitter work will take place between 00:01hrs and 06:00hrs. TV services that will be disrupted: Analogue services - n/a Digital services - PSB1, PSB2, PSB3, COM4, COM5 and COM6 will be subject to short periods of shutdown [DUK] Over the next week Llanddona main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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LLANDDONA transmitter - nddona Transmitter works 15 February 2012: Engineering transmitter work will take place between 00:01hrs and 06:00hrs. TV services that will be disrupted: Analogue services - n/a Digital services - PSB1, PSB2, PSB3, COM4, COM5 and COM6 will be subject to short periods of shutdown [DUK] Over the next week Llanddona main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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Tuesday, 28 February 2012
LLANDDONA transmitter - nddona Transmitter works 29 February 2012: Engineering transmitter work will take place between 00:01hrs and 06:00hrs. TV services that will be disrupted: Analogue services - n/a Digital services - PSB1, PSB2, PSB3, COM4, COM5 and COM6 will be subject to periods of shutdown [DUK] Over the next week Llanddona main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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LLANDDONA transmitter - nddona Transmitter works 29 February 2012: Engineering transmitter work will take place between 00:01hrs and 06:00hrs. TV services that will be disrupted: Analogue services - n/a Digital services - PSB1, PSB2, PSB3, COM4, COM5 and COM6 will be subject to periods of shutdown [DUK] Over the next week Llanddona main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
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