Full Freeview on the Preseli (Pembrokeshire, Wales) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 51.944,-4.661 or 51°56'38"N 4°39'40"W |  | SA41 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.
Are there any planned engineering works or unexpected transmitter faults on the Preseli (Pembrokeshire, Wales) mast?
Preseli transmitter - Preseli transmitter: Possible effect on TV reception week commencing 11/11/2024 Screen may go black 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 Preseli (Pembrokeshire, 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 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.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
The Preseli (Pembrokeshire, 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 Preseli transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 111km east-southeast (118°)
to BBC Wales region - 206 masts.
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?
| Abergynolwyn | Active deflector | Gwynedd | 84 homes |
| Caerberllan | Active deflector | ||
| Cwmtydu A/d | Active deflector | 17 km NNE Newcastle Emlyn | 10 homes 50 caravans |
| Drefelin | Active deflector | 20 km NNW Carmarthen | 36 homes |
| Poppit Sands | Active deflector | 39 km NE Carmarthen Caravan Park | |
| Rhyd-yr-onnen | Active deflector | 20 km N Aberystwyth | 20 homes caravan site |
How will the Preseli (Pembrokeshire, Wales) transmission frequencies change over time?
| 1962-80s | 1984-97 | 1997-98 | 1998-2009 | 2009-13 | 2013-18 | 2013-17 | 31 Oct 2018 | ||
| VHF | B E T | B E T | B E T | W T | K T | K T | K T | ||
| C8 | ITVwaves | ||||||||
| C30 | _local | _local | _local | _local | |||||
| C37 | C5waves | C5waves | |||||||
| C39 | +ArqB | +ArqB | ArqB | ||||||
| C40 | BBC2waves | BBC2waves | BBC2waves | +BBCB | +BBCB | BBCB | |||
| C42 | -SDN | -SDN | -SDN | SDN | |||||
| C43 | ITVwaves | ITVwaves | ITVwaves | +BBCA | +BBCA | +BBCA | BBCA | ||
| C45 | -ArqA | -ArqA | -ArqA | ArqA | |||||
| C46 | BBC1waves | BBC1waves | BBC1waves | +D3+4 | +D3+4 | +D3+4 | D3+4 | ||
| C49tv_off | +ArqB | ||||||||
| C50tv_off | C4waves | C4waves | C4waves | +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
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Monday, 13 November 2017
my signal has gone entirely. all of a sudden the tv and digi box says no transmitter. please help
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M
MikeB2:02 PM
Bev Pearce: Check the information for the transmitter - if it says its fine, its probably your system. Start with the simplest problem - is the aerial lead connected properly to the back of the TV?
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Thursday, 7 December 2017
P
Pembs4:40 PM
Struggling to get any HD channels on this transmitter, all other frequencies tune in 100% signal strength/quality. Is there an issue?
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Wednesday, 3 July 2019
L
Les Bromley3:15 PM
Boncath
My Radio times shows the programmes for Wales. I am aware there have been channel changes but despite several retuning of the tv channels are missing e.g. channel 48
My post code is SA37 0EH.
An answer to this would be appreciated.
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Les's: mapL's Freeview map terrainL's terrain plot wavesL's frequency data L's Freeview Detailed Coverage
MikeP
8:32 PM
8:32 PM
Les Bromley:
Preseli uses channels 43, 46, 40, 42, 45 and 39. See Coverage Checker - Detailed View
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M
Michael10:03 PM
Preseli remains on the same channels as hitherto - 43, 46, 40, 42, 45 and 39, as listed by MikeP above.
On channel 48 you might find BBC in HD from Ilfracombe.
I would suggest you retune *manually* to the Preseli channels.
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Wednesday, 10 July 2019
C
Chris.SE5:59 PM
Les Bromley:
I wonder if you are actually meaning LCN 48 (channel/programme) which was movies4men which moved to LCN 40 and then became True Entertainment, but what wasn't clearly stated on a later Freeview update was that it changed mux to a Local Mux. Unfortunately there is no Local Mux at Preseli.
See -
Service Updates | Freeview /sony-channel-changes.html">Sony Channel changes | Freeview
Service Updates | Freeview /channel-changes-on-27-june-2019.html">Channel launches, closures and changes on 27 June 2019 | Freeview
It seems that Service Updates | Freeview is a page to keep an eye on, but this Digital UK | Channel listings is usually an accurate list.
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M
Michael10:03 PM
That figures! If former LCN 48 ( including Movies for Men) was implied, strangely it is now not available in Wales. See http://www.digitaluk.co.u…ngs. A bit sad, given the number of dubious channels offered by Freeview... With a dedicated Group-A antenna you just might get LCN 40 (with Movies for Men) from Huntshaw Cross on the SDN multiplex (channel 32: 562MHz). But if you have line-of-sight to the satellite at 28E, Freesat might be worth considering. Good luck!
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Thursday, 11 July 2019
C
Chris.SE4:41 AM
The changes made to the True channels have been made by Sony. For their Official Site see True Channels
A Contact Us link at the bottom of the page will allow you to email them at info@truemovies.tv to complain about the changes where you can no longer receive the channels.
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