Full Freeview on the BlaenPlwyf (Ceredigion, Wales) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 52.361,-4.103 or 52°21'38"N 4°6'10"W |  | SY23 4QH |
The symbol shows the location of the BlaenPlwyf (Ceredigion, Wales) transmitter which serves 17,000 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 BlaenPlwyf (Ceredigion, Wales) mast?
Blaenplwyf transmitter - Blaenplwyf transmitter: Possible effect on TV reception week commencing 11/11/2024 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 BlaenPlwyf (Ceredigion, 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 BlaenPlwyf 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 BlaenPlwyf (Ceredigion, 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 BlaenPlwyf transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 113km south-southeast (149°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 115km south-southeast (151°)
to ITV Wales region - 206 masts.
How will the BlaenPlwyf (Ceredigion, Wales) transmission frequencies change over time?
| 1950s-80s | 1984-97 | 1997-98 | 1998-2010 | 2010-13 | 31 Oct 2018 | ||||
| VHF | A K T | W T | W T | A K T | A K T | ||||
| C3 | BBCtvwaves | ||||||||
| C21 | C4waves | C4waves | C4waves | +BBCB | BBCB | ||||
| C22 | +ArqA | ArqA | |||||||
| C24 | ITVwaves | ITVwaves | ITVwaves | D3+4 | D3+4 | ||||
| C25 | SDN | SDN | |||||||
| C27 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
| C28 | ArqB | ArqB | |||||||
| C31 | BBC1waves | BBC1waves | BBC1waves | ||||||
| C56tv_off | C5waves | C5waves |
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 10 Feb 10 and 10 Mar 10.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 100kW | |
| BBCA, D3+4, BBCB | (-4dB) 40kW | |
| SDN, ARQA, ARQB | (-10dB) 10kW | |
| Analogue 5 | (-14dB) 4kW | |
| Mux 1*, Mux 2*, Mux A*, Mux B* | (-17dB) 2kW | |
| Mux C*, Mux D* | (-20dB) 1000W |
Which companies have run the Channel 3 services in the Blaenplwyf transmitter area
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Is the transmitter output the same in all directions?
Radiation patterns withheldSaturday, 3 August 2019
C
Chris.SE12:25 AM
Philip Davies:
Please see True Entertainment | free and easy on the True Entertainment pages on this site and the many other posts from regular contributors.
Paul Vivash: and Philip Davies:
You may find Digital UK | Channel listings useful as well as putting your postcodes into Digital UK - Coverage checker to see what your predicted reception of which transmitters and multiplexes might be.
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Saturday, 23 November 2019
N
Neil Garrod9:11 PM
My neighbours and I have been experiencing signal strength fluctuations for at least a couple of weeks now, resulting in channel losses and poor signal quality. One day everything is fine. The next day the majority of channels are poor or gone.
We all have roof based aerials and have never had any problems before. What is going on?
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C
Chris.SE10:26 PM
Neil Garrod:
I can't find any reports of transmitter problems at present, and there's been no Planned Maintenance this week.
Have you had problems this week? Or has it just been in previous weeks? There might have been Planned Engineering in previous weeks but I can't confirm that one way or another.
If you and your neighbours continue to have problems, ring the Freeview Advice line on 0808-100-0288, or if you have atwitter account @FreeviewAdvice
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Sunday, 18 June 2023
A
ALAN ASTON11:14 AM
why cant get C25 506MHZ FROM THE BLAENPLWYF TRANSMITTER IAMM ABOUT 40 MILES ACROSS THE SEA
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Monday, 19 June 2023
C
Chris.SE2:29 AM
ALAN ASTON:
As you haven't given any indication of how long this has been happening, it's difficult to say!
As per the post before yours, the transmitter is subject to Planned Engineering which may be the reason.
There has been quite variable weather related Tropospheric Ducting in recent days which can affect reception because of interference being received from more distant transmitters in Europe or the UK - not all multiplexes are necessarily affected.
You may normally have problems with co-channel interference on C25 but as you haven't given a full postcode, it's impossible to comment on that.
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C
Chris.SE2:34 AM
ALAN ASTON:
Just to add, if your aerial is pointing in a southerly direction, the Preseli transmitter may be receivable within its beamwidth, so you could try a manual tune of C42 for the SDN multiplex, but reception may be variable.
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Tuesday, 10 October 2023
A
annwen hughes9:17 AM
Ll536LZ THE SIGNAL KEEPS GOING OFF DAY & NIGHT
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C
Chris.SE3:22 PM
annwen hughes:
I'm afraid it's down to current weather conditions -
They have been causing Tropospheric Ducting affecting much of the south coast and southern parts of the country on Saturday and now extending into the Midlands and North of the country through Sunday including East Anglia, now currently affecting Wales and England. This causes interfering signals from distant transmitters in Europe or the UK to affect reception of your wanted signals. This can periodically last, seconds, minutes and sometimes much longer - Do NOT Retune.
There is nothing you can do about this apart from wait for conditions to change, or use online streaming if available.
IF you did retune, you'd be best manually retuning the UHF channels for your transmitter as detailed at the top section of this page.
The BBC and Freeview have issued warnings -
High pressure weather conditions impacting TV & Radio services - from 07 October | Help receiving TV and radio
High pressure could affect reception across parts of the UK this week | Freeview
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Monday, 28 October 2024
Transmitter engineering
10:48 AM
10:48 AM
Blaenplwyf transmitter - Blaenplwyf transmitter: Possible effect on TV reception week commencing 28/10/2024 Screen may go black on some or all channels [DUK]
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Monday, 4 November 2024
Transmitter engineering
5:09 AM
5:09 AM
Blaenplwyf transmitter - Blaenplwyf transmitter: Possible effect on TV reception week commencing 04/11/2024 Screen may go black on some or all channels [DUK]
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