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Did you know that most of the TV viewing in the UK is to free-to-air channels? According to BARB, last week's** figures show:
Freeview had 79.8%
*
Freesat had 76.9%
*
Sky no card had 77.2%
*
* premium channels had 4.4%, ** to 9 Nov 2014

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.


map is loading, please wait...

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

Other mapstxfvCwm Twrch FreeviewtxregionCarmel TV regiontx1BBC Walestx3Wales
txdabxxDAB in PowystxradioxxAM/FM in Powys

Is the transmitter output the same in all directions?

Internet Explorer 9+, Firefox, Opera, Chrome, and Safari required

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, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 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 (Wales) 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
45 Film 4 +1, 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, 123 CBBC HD, plus 1 others



Are you trying to watch these 48 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, CBeebies HD, CBS Action, 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, Food Network, ITV 2 +1, ITV 3, ITV 3 +1, ITV 4, ITV 4 +1, ITV Be, Motors TV, Movie Mix, Movies4Men, pick, Quest, Quest +1, Really, RT English , Sky News, Tiny Pop, Travel Channel, True Entertainment, truTV, truTV +1, Vintage TV, 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.



Your comments: most recent posts are at the bottom

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Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

Transmitter engineering
Wednesday 5 November 2014 7:31PM

CWM TWRCH transmitter - Freeview: BBC Digital TV Off Air from 22:28 on 02 Nov to 23:33 on 02 Nov, BBC Digital TV Off Air from 00:37 on 03 Nov to 01:34 on 03 Nov, HD Digital TV Off Air from 22:28 on 02 Nov to 23:33 on 02 Nov, HD Digital TV Off Air from 00:37 on 03 Nov to 01:34 on [BBC]

link to this
Transmitter engineering
Friday 7 November 2014 4:32AM

CWM TWRCH transmitter - Freeview: BBC Digital TV Off Air from 00:37 on 03 Nov to 01:34 on 03 Nov, HD Digital TV Off Air from 00:37 on 03 Nov to 01:34 on 03 Nov. [BBC]

link to this
updates
Automatic update every 1 minute
Page 5



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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Most popular LIVE 14:53
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Briantist: http://t.co/8OzaJTaYUm Тhe recent survey pointed out that mobile users were unhappy with some of the aspects of the UK Fr
Briantist: Read this! You know you want to... is out! http://t.co/I2KcrfG6Wz Stories via @jasondeansy
Briantist: Read this! You know you want to... is out! http://t.co/I2KcrfG6Wz
Briantist: http://t.co/wUhKFBcrvj Тhe BBC exists because every ten years the monarch has granted another Charter Given the changes i
Briantist: http://t.co/bZDltrBXWm a516digital Nοrth Yorkshires local DAB multiplex set to launch with three services Local DAB isset to lau
Briantist: http://t.co/4BQs5h8lNU Aereo Мay Be Dead But Internet TV Will Live On WIRED Its a sad day for Aereo and all those who believed i
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Briantist: http://t.co/4BQs5h8lNU Aereο May Be Dead But Internet TV Will Live On WIRED Its a sad day for Aereo and all those who believed i
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