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

first published this 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


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



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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 V max
C24 (498.0MHz)159mDTG-33W
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
 V max
C21+ (474.2MHz)159mDTG-33W
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
 V max
C27 (522.0MHz)159mDTG-63W
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



DTG-3 64QAM 8K 2/324.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/340.2Mb/s DVB-T2 MPEG4
H/V: aerial position (horizontal or vertical)

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 more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: possible 4G in 2019 more
600MHz 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.
Click/touch here to read How do the old analogue and currrent digital signal levels compare?Analogue 1-4 16WBBCA, D3+4,
Click/touch here to read Other mapsCwm Twrch FreeviewCarmel TV regionBBC WalesWalesDAB in PowysAM/FM in Powys
Click/touch here to read Which companies have run the Channel 3 services in the Carmel transmitter area Jan 1958-Jul 1968Te
Click/touch here to read Is the transmitter output the same in all directions? Internet Explorer 9+, Firefox, Opera, Chrom

Comments
Wednesday, 5 November 2014
Transmitter engineering
7:31 PM

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's 84,393 posts Owner Owner xx
Friday, 7 November 2014
Transmitter engineering
4:32 AM

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
Transmitter engineering's 84,393 posts Owner Owner xx
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Your comment please
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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