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Freeview: Cwm Twrch (Powys, Wales) Freeview Light transmitter
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Briantist: martssmart has posted Why do all my freeview stop http://t.co/skfFEMFfSL @messerstanton @bbcclick @gurucustomers @stevbu @jaynefishwick
Briantist: jb38 has posted John Martin Although you are a http://t.co/RvkMXfrdRz @maggiemay2149 @burtonstewart @trevordobie @nathaliemac @gwhroberts
Briantist: MikeP has posted MikeB and Peter Young I what http://t.co/mZVAJcajpw @maggiemay2149 @burtonstewart @trevordobie @nathaliemac @gwhroberts
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Briantist: MikeP has posted DenisW If you do need to replace your aerial a http://t.co/7qm2yimyWV @leedools @norfolkg @_littlecreature @leveridge96
Briantist: John Martin has posted Anyone know what's going on http://t.co/4kS4Ja6UAg @ almufasatwit @mjpauto @sixtypaul @randomgeordie @mos_sy
Briantist: John Martin has posted Sometimes it depends on the way the actual programme was made If it's an older it have http://t.co/651DBnKVz8
Briantist: Martin Walker has posted As I write there is a news presenter don't know his name at 9pm trying to talk about http://t.co/hpeajr4MGx
Briantist: MikeB has posted Lee gammon Your just 4km away from a transmitter and 21km from the main one click on link http://t.co/csoUfTRXYY @timbi
Briantist: John Martin has posted Anyone know what's going on We've http://t.co/G0m9DFBKYB @fr34kyuk @stevbu @shaodan @ivan007 @simone2705

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Freeview Light on the Cwm Twrch (Powys, Wales) transmitter

First published
by
on on UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.780,-3.799 or 51°46'49"N 3°47'56"Wsa_postcodeSA9 2TU

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Cwm Twrch (Powys, Wales) transmitter. Click to recheck [+] 

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The symbol shows the location of the Cwm Twrch (Powys, Wales) transmitter which serves 2,100 homes.

Other mapstxregionCarmel TV regiontx1BBC Walestx3WalestxdabxxDAB in Powys
txradioxxAM/FM in Powys

Is the transmitter output the same in all directions?

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What do the colours on the map mean?

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.


List by multiplex|List by channel number|List by channel name|See terrain plot

Which Freeview channels does the Cwm Twrch 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.

MuxAerial positionFrequencyHeightModeWatts
PSB1
BBCA
 vertical max
C24 (498.0MHz)159m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2
3W
Channel icons
1 BBC One Wales, 2 BBC Two Wales, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 BBC Red Button 1, plus 14 others

PSB2
D3+4
 vertical max
C21+ (474.2MHz)159m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2
3W
Channel icons
3 ITV (Wales), 4 S4C, 5 Channel 5 Part Network ads, 6 ITV 2, 8 Channel 4 South ads, 13 Channel 4+1 South ads, 14 More 4, 15 Film 4, 33 ITV +1 (Wales),

PSB3
BBCB
 vertical max
C27 (522.0MHz)159m256QAM 32KE 2/3
40.2Mb/s DVB-T2 MPEG4
3W
Channel icons
73 CBBC HD, 101 BBC One HD Wales, 102 BBC Two HD (England), 103 ITV HD (ITV Central West), 104 Channel 4 HD South ads, 105 BBC Three HD, plus 1 others



Are you trying to watch these 45 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected channels

The Cwm Twrch (Powys, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 4seven HD, 5*, 5USA, Al Jazeera Arabic, Al Jazeera English, Al Jazeera HD, BBC Four HD, BBC News HD, BBC Red Button 2, CBeebies HD, CBS Reality, Challenge, Channel 4+1 HD, Channel 5 +1, Channel 5 +24, CITV, Community Channel, Community Channel HD, Dave, Dave ja vu, Drama, E4+1, Film 4 +1, Food Network, ITV 2 +1, ITV 3, ITV 3 +1, ITV 4, ITV 4 +1, Movie Mix, Movies4Men, pick, Quest, Quest +1, Really, RT English , Sky News, The Zone, Travel Channel, True Entertainment, truTV, VIVA, Yesterday.

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 Cwm Twrch transmitter?

regional news image
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 50km southeast
to BBC Wales region - 206 masts.
regional news image
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 51km southeast
to ITV Wales region - 206 masts.

How will the Cwm Twrch (Powys, Wales) transmission frequencies change over time?

years1984-971997-981998-20092009-132013-182013-18
aerial groupA KA KA KA KA KA K
C21BBC1BBC1BBC1+D3+4+D3+4+D3+4
C24ITVITVITVBBCABBCABBCA
C27BBC2BBC2BBC2BBCBBBCBBBCB
600C31C4C4C4

orange background for multiplexes names moregreen background for transmission frequencieslilac background for power levels in watts800MHz band: 4G mobile to start in 2013700MHz band: possible 4G in 2019 more600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 26th August and 23rd September 2009.

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

Analogue 1-4 16W
BBCA, D3+4, BBCB(-7dB) 3.2W

Which companies have run the Channel 3 services in the Carmel 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. Cwm Twrch 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.



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Transmitter engineering
Sunday 15 June 2014 4:31AM

CWM TWRCH transmitter - Freeview: BBC Digital TV Off Air from 06:15 on 12 Jun to 06:28 on 12 Jun, BBC Digital TV Off Air from 06:15 on 12 Jun to 06:28 on 12 Jun, HD Digital TV Off Air from 06:15 on 12 Jun to 06:28 on 12 Jun. [BBC]

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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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