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Full Freeview on the BlaenPlwyf (Ceredigion, Wales) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps52.361,-4.103 or 52°21'38"N 4°6'10"Wsa_postcodeSY23 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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the BlaenPlwyf (Ceredigion, 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 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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 H max
C27 (522.0MHz)331mDTG-40,000W
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
C24 (498.0MHz)331mDTG-40,000W
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
C21+ (474.2MHz)331mDTG-40,000W
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 -6dB
C25 (506.0MHz)331mDTG-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 -6dB
C22+ (482.2MHz)331mDTG-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 -6dB
C28 (530.0MHz)331mDTG-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 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?

regional news image
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 113km south-southeast (149°)
to BBC Wales region - 206 masts.
regional news image
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-80s1984-971997-981998-20102010-1331 Oct 2018
VHFA K TW TW TA K TA K T
C3BBCtvwaves
C21C4wavesC4wavesC4waves+BBCBBBCB
C22+ArqAArqA
C24ITVwavesITVwavesITVwavesD3+4D3+4
C25SDNSDN
C27BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C28ArqBArqB
C31BBC1wavesBBC1wavesBBC1waves
C56tv_offC5wavesC5waves

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

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. BlaenPlwyf 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.

Is the transmitter output the same in all directions?

Radiation patterns withheld

Comments
Sunday, 25 March 2012
E
Egzie
1:51 PM

13:50 25/03/2012 Only BBC transmission from BlaenPlwyf transmitter!

link to this comment
Egzie's 1 post GB flag
P
Paul Vivash
2:43 PM
Aberystwyth

Only BBC1 and BBC2 available from 10 am until now (1445 hrs)here in Goginan. Have missed Swindon v Chesterfield on Sky Sports. When will Freeview digital return?

link to this comment
Paul Vivash's 2 posts GB flag
Paul's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Monday, 26 March 2012
R
ros
9:23 AM
Aberystwyth

live in sy23 4rg since sunday the 25th march 2012 we have only bbc programes through free digital tele could you tell us what is going on and will we get it back

link to this comment
ros's 1 post GB flag
ros's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
Thursday, 5 April 2012
Thursday, 7 June 2012
M
Mr Edwards
9:27 AM
Aberaeron

Sorry to be cynical but I do not think we are being told the truth. The signal strength from Baenplwyf is definitely down but we are told there is no engineering work! I believe that to improve the capability of freeview this is being achieved by reducing the power level of signals. No promblem with ITV and S4C but BBC &SKY channels a waste of time. Don't blame aerials or weather you'll be like BR

link to this comment
Mr Edwards's 6 posts GB flag
Mr's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
M
Mr Edwards
10:13 AM
Aberaeron

Funny or not funny! The power at Blaenplwyf has gone up after my message and all channels are there without Pixellation. (BR) British Rail and leaves on the track syndrome. Freeview you have a long way to go but be honest with TV public!

link to this comment
Mr Edwards's 6 posts GB flag
Mr's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
M
Mr Edwards
11:39 AM
Aberaeron

Hi Officialdom,

Is there anybody out there !!!!!!!!!!!!!

Regards.

link to this comment
Mr Edwards's 6 posts GB flag
Mr's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
M
Mr Edwards
2:15 PM
Aberaeron

Conclusion, This site is defunct although somebody out there took notice - Thanks

link to this comment
Mr Edwards's 6 posts GB flag
Mr's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

3:46 PM

Mr Edwards: This is a SELF HELP website with volunteers who put their own time in to help people. The broadcasters do not routinely monitor this website (as far as we know). If you are currently having a problem and you think it's down to transmission (though usually it isn't), contact the broadcasters. There's a list of contact numbers etc at Broadcaster complaints details | ukfree.tv - independent free digital TV advice .

The BBC track fault reports, but mostly they and the other broadcasters rely on telemetry from the transmitters. If the fault occurs anywhere before the transmitting antenna, on a major station, they know about it and, if it affects the BBC, it should be recorded at BBC - Reception problems . This site scrapes that BBC site periodically and puts the result here as a 'Transmitter Engineering' post.

Signal levels do vary with weather conditions - just as you get red skies with dust in the atmosphere and 'heat haze', limited visibility due to fog and rain, and indeed even mirages. These are all changes to the way electromagnetic waves travel - radio and TV have much longer wavelengths than light but many of the principles are the same. Digital UK's predictor takes account of the expected variation and still reckons that better than 90% of locations in your grid square should have reliable reception for more than 99% of the time (for some services, the prediction is ALL locations in the square). That prediction is based on a good quality high-gain aerial and a fairly short downlead (cabling).

Given that, I think it's likely that it's been raining and that water has got into your aerial system. That makes it much harder for the signals to travel down the cables (coaxial cables at high frequencies are waveguides with the signal travelling on the surface of the conductors, it's very different from power cables). The improvement is likely because it's dried out. Different frequencies are affected by different amounts - usually the highest frequencies are worst affected.

You should check that any connection boxes are mounted so that the lid is facing downward, to avoid water getting in and ensure that any water that does get in can drain out. You should also check that all cables are properly secured, so they cannot rub against roof tiles or brickwork, and check that the insulation is fully intact. Also check that the cable insulation is still flexible: the insulation is damaged by UV light and eventually becomes brittle and porous, again allowing water to get in.

link to this comment
Mike Dimmick's 2,486 posts GB flag
M
Mr Edwards
6:26 PM
Aberaeron

Dear Mike,

I no longer have a problem (Post 2 refers). As if by magic it was corrected after my first post but recieved a Email from the BBC later apologizing for my problems. Thanks for time.

link to this comment
Mr Edwards's 6 posts GB flag
Mr's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
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