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

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

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51.780,-3.799 or 51°46'49"N 3°47'56"W

SA9 2TU

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.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

_______

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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	V max	C24 (498.0MHz)	159m	DTG-	3W
	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	V max	C21+ (474.2MHz)	159m	DTG-	3W
	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	V max	C27 (522.0MHz)	159m	DTG-	3W
	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 66 TBN UK,

H/V: aerial position (horizontal or vertical)

Are you trying to watch these 44 Freeview channels?

The Cwm Twrch (Powys, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, FRANCE 24 (in English), GREAT! action, GREAT! christmas, GREAT! movies, GREAT! romance mix, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.

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?

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 50km southeast (129°)
to BBC Wales region - 206 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 51km southeast (135°)
to ITV Wales region - 206 masts.

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

	1984-97	1997-98	1998-2009	2009-13	31 Dec 2019-
	A K T	A K T	A K T	A K T	A K T
C21	BBC1_waves	BBC1_waves	BBC1_waves	+D3+4	D3+4
C24	ITV_waves	ITV_waves	ITV_waves	BBCA	BBCA
C27	BBC2_waves	BBC2_waves	BBC2_waves	BBCB	BBCB
C31	C4_waves	C4_waves	C4_waves

_{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 26 Aug 09 and 23 Sep 09.

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

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

Local transmitter maps

Cwm Twrch Freeview Carmel TV region BBC Wales Wales

Which companies have run the Channel 3 services in the Carmel transmitter area

Jan 1958-Jul 1968	Television Wales and the West
Jul 1968-Feb 2004	Harlech Television
Feb 2004-Dec 2014	ITV plc

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV 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.

Is the transmitter output the same in all directions?

Comments

Saturday, 7 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

2:20 PM

- : Off the air due to a fault from 7 Dec 12:06 until 7 Dec 12:08. Off the air due to a fault from 7 Dec 11:46. . [BBC]

link to this comment

Transmitter engineering's 3,089 posts GB flag

Monday, 9 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

5:09 AM

- : Off the air due to a fault from 8 Dec 13:39. Off the air due to a fault from 7 Dec 12:06 until 7 Dec 12:08. Off the air due to a fault from 7 Dec 11:46 until 8 Dec 13:39. . [BBC]

link to this comment

Transmitter engineering's 3,089 posts GB flag

Tuesday, 10 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

11:20 AM

- : Off the air due to a fault from 10 Dec 01:07. Off the air due to a fault from 8 Dec 13:39 until 10 Dec 01:07. Off the air due to a fault from 7 Dec 12:06 until 7 Dec 12:08. Off the air due to a fault from 7 Dec 11:46 until 8 Dec 13:39. . [BBC]

link to this comment

Transmitter engineering's 3,089 posts GB flag

Transmitter engineering

_{sentiment_very_satisfied}Platinum

5:20 PM

- : Off the air due to a fault from 10 Dec 01:07 until 10 Dec 15:30. Off the air due to a fault from 8 Dec 13:39 until 10 Dec 01:07. Off the air due to a fault from 7 Dec 12:06 until 7 Dec 12:08. Off the air due to a fault from 7 Dec 11:46 until [BBC]

link to this comment

Transmitter engineering's 3,089 posts GB flag

Thursday, 12 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

2:20 PM

- : Off the air due to a fault from 10 Dec 01:07 until 10 Dec 15:30. Off the air due to a fault from 8 Dec 13:39 until 10 Dec 01:07. Off the air due to a fault from 7 Dec 11:46 until 8 Dec 13:39. . [BBC]

link to this comment

Transmitter engineering's 3,089 posts GB flag

Friday, 13 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

2:20 PM

- : Off the air due to a fault from 10 Dec 01:07 until 10 Dec 15:30. Off the air due to a fault from 8 Dec 13:39 until 10 Dec 01:07. . [BBC]

link to this comment

Transmitter engineering's 3,089 posts GB flag

Sunday, 15 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

5:11 AM

- : Off the air due to a fault from 10 Dec 01:07 until 10 Dec 15:30. . [BBC]

link to this comment

Transmitter engineering's 3,089 posts GB flag

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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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