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Full Freeview on the Llanddona (Isle of Anglesey, Wales) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps53.307,-4.128 or 53°18'25"N 4°7'41"Wsa_postcodeLL58 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 18/10/2021 Possible Pixelation or flickering on some or all channels Digital tick


Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
_______

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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 H max
C40 (626.0MHz)255mDTG-320,000W
Channel icons
1 BBC One (SD) Wales, 2 BBC Two Wales, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 13 others

PSB2
D3+4
 H max
C43- (649.8MHz)255mDTG-320,000W
Channel icons
5 Channel 5, 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 25 ITV4, 29 E4 +1, 34 ITV +1 (Wales),

PSB3
BBCB
 H max
C46 (674.0MHz)255mDTG-620,000W
Channel icons
72 Shopping Quarter , 101 BBC One HD Wales, 102 BBC Two HD (England), 104 Channel 4 HD South ads, 105 Channel 5 HD, 204 CBBC HD, plus 1 others

COM4
SDN
 H -3dB
C41 (634.0MHz)255mDTG-810,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 28 ITV2 +1, 28 E4 (Wales), 31 5STAR, 32 Paramount Network, 45 Channel 5 +1, 55 5SELECT, 57 ITVBe +1, 58 ITV3 +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 68 Horror Channel, 73 Drama +1, 77 TCC, 80 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 14 others

COM5
ArqA
 H -3dB
C44 (658.0MHz)255mDTG-810,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 30 4Music, 35 pick, 39 Quest Red, 42 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 56 Smithsonian Channel, 69 Quest +1, 74 Yesterday +1, 82 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H -3dB
C47 (682.0MHz)255mDTG-810,000W
Channel icons
23 Dave ja vu, 26 Yesterday, 33 GREAT! movies, 38 DMAX, 40 CBS Justice, 43 HGTV, 67 CBS Drama, 81 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 18 others

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 11 Freeview HD channels?

the effected channels

The Llanddona (Isle of Anglesey, Wales) mast is not one of the extended Freeview HD (COM7 and COM8) transmitters, it does not provide these high definition (HD) channels: BBC Four HD, BBC News HD, CBeebies HD, Quest HD, Forces TV, FreeSports, More4 +1, Now 70s, PBS America +1, Quest Red +1, RT HD.

If you want to watch these HD channels, either use Freesat HD, or move your TV aerial must point to one of the 30 Full Freeview HD transmitters. For more information see the want to know which transmitters will carry extra Freeview HD? page.

Which BBC and ITV regional news can I watch from the Llanddona transmitter?

regional news image
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 210km south-southeast (164°)
to BBC Wales region - 206 masts.
regional news image
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-80s1984-971997-981998-20092009-132013-182013-1714 Nov 2018
VHFC/D EC/D EC/D EE TE TE TB E T
C1BBCtvwaves
C40 ArqBArqBBBCA
C41SDN
C43SDNSDNSDND3+4
C44ArqA
C46ArqAArqAArqABBCB
C47ArqB
C50tv_offArqB
C51tv_off_local_local_local_local
C53tv_offC4wavesC4wavesC4wavesBBCBBBCBBBCB
C57tv_offBBC1wavesBBC1wavesBBC1wavesBBCABBCABBCA
C60tv_offITVwavesITVwavesITVwaves-D3+4-D3+4-D3+4
C63BBC2wavesBBC2wavesBBC2waves

tv_off Being removed from Freeview (for 5G use) after November 2020 - 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

Jan 1958-Jul 1968Television Wales and the West
Jul 1968-Feb 2004Harlech Television
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Llanddona was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Comments
Monday, 23 August 2021
S
StevensOnln1
sentiment_very_satisfiedPlatinum

5:22 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.

link to this comment
StevensOnln1's 3,142 posts GB
Tuesday, 24 August 2021
C
Chris.SE
sentiment_very_satisfiedPlatinum

12:07 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.

link to this comment
Chris.SE's 2,442 posts GB
Monday, 6 September 2021
Transmitter engineering
sentiment_very_satisfiedOwner

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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Transmitter engineering's 136,987 posts GB
Monday, 13 September 2021
Transmitter engineering
sentiment_very_satisfiedOwner

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]

link to this comment
Transmitter engineering's 136,987 posts GB
Transmitter engineering
sentiment_very_satisfiedOwner

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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Transmitter engineering's 136,987 posts GB
Friday, 8 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

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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Transmitter engineering's 136,987 posts GB
Monday, 11 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

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]

link to this comment
Transmitter engineering's 136,987 posts GB
Friday, 15 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

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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Transmitter engineering's 136,987 posts GB
Monday, 18 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

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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Transmitter engineering's 136,987 posts GB
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Your comment please
Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

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