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Full Freeview on the Preseli (Pembrokeshire, Wales) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.944,-4.661 or 51°56'38"N 4°39'40"Wsa_postcodeSA41 3QR

 

The symbol shows the location of the Preseli (Pembrokeshire, Wales) transmitter which serves 57,000 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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Preseli (Pembrokeshire, Wales) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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Which Freeview channels does the Preseli 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
C43+ (650.2MHz)562mDTG-320,000W
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, 250 BBC Red Button, plus 13 others

PSB2
D3+4
 H max
C46+ (674.2MHz)562mDTG-320,000W
Channel icons
5 Channel 5, 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV +1 (Wales),

PSB3
BBCB
 H max
C40+ (626.2MHz)562mDTG-620,000W
Channel icons
56 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD (England), 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
C42- (641.8MHz)562mDTG-810,000W
Channel icons
 E4 (Wales), 12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 14 others

COM5
ArqA
 H -3dB
C45- (665.8MHz)562mDTG-810,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 8 others

COM6
ArqB
 H -3dB
C39+ (618.2MHz)562mDTG-810,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Aljazeera English, plus 19 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 0 Freeview HD channels?


The Preseli (Pembrokeshire, Wales) mast is not one of the extended Freeview HD (COM7 and COM8) transmitters, it does not provide these high definition (HD) channels: .

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 Preseli transmitter?

regional news image
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 111km east-southeast (118°)
to BBC Wales region - 206 masts.
regional news image
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 110km east-southeast (120°)
to ITV Wales region - 206 masts.

Are there any self-help relays?

AbergynolwynActive deflectorGwynedd84 homes
CaerberllanActive deflector
Cwmtydu A/dActive deflector17 km NNE Newcastle Emlyn10 homes 50 caravans
DrefelinActive deflector20 km NNW Carmarthen36 homes
Poppit SandsActive deflector39 km NE Carmarthen Caravan Park
Rhyd-yr-onnenActive deflector20 km N Aberystwyth20 homes caravan site

How will the Preseli (Pembrokeshire, Wales) transmission frequencies change over time?

1962-80s1984-971997-981998-20092009-132013-182013-1731 Oct 2018
VHFB E TB E TB E TW TK TK TK T
C8ITVwaves
C30_local_local_local_local
C37C5wavesC5waves
C39 +ArqB+ArqBArqB
C40BBC2wavesBBC2wavesBBC2waves +BBCB+BBCBBBCB
C42-SDN-SDN-SDNSDN
C43ITVwavesITVwavesITVwaves+BBCA+BBCA+BBCABBCA
C45-ArqA-ArqA-ArqAArqA
C46BBC1wavesBBC1wavesBBC1waves+D3+4+D3+4+D3+4D3+4
C49tv_off+ArqB
C50tv_offC4wavesC4wavesC4waves+BBCB

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 19 Aug 09 and 16 Sep 09.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-5 100kW
BBCA, D3+4, BBCB(-7dB) 20kW
SDN, ARQA, ARQB(-10dB) 10kW
Mux A*, Mux B*(-17dB) 2kW
Mux 1*, Mux 2*, Mux C*, Mux D*(-20dB) 1000W

Which companies have run the Channel 3 services in the Preseli transmitter area

Sep 1962-Jul 1964Wales (West and North) Television (Teledu Cymru)
Jul 1964-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.

Comments
Monday, 13 September 2021
Transmitter engineering
sentiment_very_satisfiedOwner

11:23 AM

Preseli transmitter - Preseli 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 138,029 posts GB
Friday, 8 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

2:44 PM

Preseli transmitter - Preseli transmitter: Possible effect on TV reception week commencing 04/10/2021 Pixelation or flickering on some or all channels [DUK]

link to this comment
Transmitter engineering's 138,029 posts GB
Monday, 11 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

5:43 AM

Preseli transmitter - Preseli 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 138,029 posts GB
Friday, 15 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

11:29 AM

Preseli transmitter - Preseli transmitter: Possible effect on TV reception week commencing 11/10/2021 Possible Pixelation or flickering on some or all channels [DUK]

link to this comment
Transmitter engineering's 138,029 posts GB
Monday, 18 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

8:36 AM

Preseli transmitter - Preseli transmitter: Possible effect on TV reception week commencing 18/10/2021 Possible Pixelation or flickering on some or all channels [DUK]

link to this comment
Transmitter engineering's 138,029 posts GB
Monday, 25 October 2021
Transmitter engineering
sentiment_very_satisfiedOwner

5:43 AM

Preseli transmitter - Preseli transmitter: Possible effect on TV reception week commencing 25/10/2021 Possible Pixelation or flickering on some or all channels [DUK]

link to this comment
Transmitter engineering's 138,029 posts GB
Wednesday, 22 December 2021
A
Adam Jackson
4:28 PM

I've been having problems with one mux for about a week now, all others are fine. Going from usual signal levels to extremely low signal strength/quality to nothing at all. Aerial and cabling seems to be fine so unsure what's happening. The mux in question is PSB2 CH22.

The other muxes PSB1 CH25, PSB3 CH28 Freeview and SV1 CH23 and SV2 CH26 Saorview all unaffected.

link to this comment
Adam Jackson's 5 posts GB
Thursday, 23 December 2021
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:50 AM

Adam Jackson:

There has been moderate Temperature Inversion/Tropospheric Ducting affecting large parts of the UK for several days, it sometimes accompanies high pressure.
Do NOT retune, it will more likely remove your correct tuning.

These conditions are predicted to ease late on Wednesday by the end of the night
Despite the incorrect spelling, this link does work - simple technical explanation
https://www.bbc.co.uk/rec….jpg

Essentially it results in interfering signals from other transmitters in the UK or Europe reaching you and so your wanted signals are disrupted. It won't necessarily affect all multiplexes or necessarily at the same time if more than one. It can last for seconds, minutes, sometimes hours or longer.

The BBC have had a warning on their Works and Warnings page for a few days, and Freeview had added one on Wednesday (better late than never!) but at that time it was then mainly affecting the S & SE.


link to this comment
Chris.SE's 3,096 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.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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