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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 09/12/2024 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-20,000W
Channel icons
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
 H max
C43- (649.8MHz)255mDTG-20,000W
Channel icons
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), 71 That’s 60s,

PSB3
BBCB
 H max
C46 (674.0MHz)255mDTG-20,000W
Channel icons
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

COM4
SDN
 H -3dB
C41 (634.0MHz)255mDTG-810,000W
Channel icons
 E4 (Wales), 20 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others

COM5
ArqA
 H -3dB
C44 (658.0MHz)255mDTG-810,000W
Channel icons
11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others

COM6
ArqB
 H -3dB
C47 (682.0MHz)255mDTG-810,000W
Channel icons
12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

DTG-8 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?

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 / 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

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, 1 February 2016
MikeP
sentiment_very_satisfiedPlatinum

9:45 PM

Ste Byrne:

If you look at the posts above yours you will see that engineering work is being done on that transmitter and has been on-going for a few days. They never indicate when the work will finish as it depends on weather and any unexpected problems the engineers may find.


link to this comment
MikeP's 3,056 posts GB flag
Sunday, 1 May 2016
J
Jonathan Rowlands
10:25 AM

Having already updated our freeview equipment to receive certain HD channels from the Llanddonna transmitter, we have now been informed that as Llanddonna is not an extended Freeview HD (COM7 and COM8), we have now lost some channels that we watched regularly. This seems unfair and discriminatory to the population it serves. At present the only way around this is to install Freesat equipment which will incur further costs! Is there a possibility of this transmitter being upgraded or are we to remain in the dark ages?

link to this comment
Jonathan Rowlands's 1 post GB flag
Monday, 22 August 2016
B
Brian Springthorpe
sentiment_satisfiedBronze

10:38 PM

Reception on all BBC channels very poor from Llandonna on 22 August 2016.

Tried retuning Freeview several times but only getting Quality 1 on BBC 1, 2, 4, Red Button and Radio. In fact of all BBC associated channels none are registering above 1.

Why?

All other channels are showing Quality 10, even the Channel 4 stuff which usually suffers more than anything.

link to this comment
Brian Springthorpe's 76 posts GB flag
M
MikeB
sentiment_very_satisfiedPlatinum

11:24 PM

Brian Springthorpe: If all the other muxes are fine (and don't look at just quality, you need to be looking at signal strength, which should be around 75%), that points to a problem with your aerial system. Just because a wire might be frayed or damaged, doesn't always mean that the strongest signal will be the one that gets through - wires do weird things. For a start, change the aerial lead - cheap, easy and if it was duff, an easy fix. If the problem remains, then you need to look further up the signal path.

But if your getting a very high signal strength (which is why a postcode is so useful), then the BBC channels might be the ones to go crazy - they are likely to be the strongest. So check out the page called 'too much of a good thing'.

link to this comment
MikeB's 2,579 posts GB flag
J
jb38
sentiment_very_satisfiedPlatinum

11:30 PM

Brian Springthorpe: Reception in many parts of the UK is presently being affected by a series of high pressure zones sweeping across the country, the effects of said pressure being most likely reason for the reception problems referred to, unfortunately nothing can be done to help rectify the problem except to wait until the situation improves.

link to this comment
jb38's 7,179 posts GB flag
Sunday, 12 November 2017
R
Rhian Williams
3:34 PM

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.

link to this comment
Rhian Williams's 1 post GB flag
MikeP
sentiment_very_satisfiedPlatinum

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.



link to this comment
MikeP's 3,056 posts GB flag
Monday, 18 December 2017
C
Chris
10:18 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?

link to this comment
Chris's 2 posts GB flag
Sunday, 7 January 2018
W
william perry
4:11 PM

Why is PBS not available from Llandonna. Their website says it should be available as Channel 94.

link to this comment
william perry's 1 post GB flag
S
StevensOnln1
sentiment_very_satisfiedPlatinum

4:24 PM

william perry: PBS America is broadcast on the COM8 multiplex which is not broadcast from Llanddona. COM8 (along with COM7) is a temporary service which is broadcast from 30 main transmitters covering around 75% of UK households and will close some time between 2020 and 2022.

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StevensOnln1's 3,675 posts GB flag
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