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Freeview Light on the Llandecwyn (Gwynedd, Wales) transmitter

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

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52.914,-4.018 or 52°54'51"N 4°1'5"W

LL47 6YT

The symbol shows the location of the Llandecwyn (Gwynedd, Wales) transmitter which serves 3,600 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.

Are there any planned engineering works or unexpected transmitter faults on the Llandecwyn (Gwynedd, Wales) mast?

LLANDECWYN transmitter - DAB: Off the air due to a fault from 18 Dec 01:17 until 18 Dec 02:47. Off the air due to a fault from 17 Dec 22:49 until 18 Dec 01:10. . FM: Off the air due to essential engineering from 22 Dec 18:10 until 22 Dec 18:13. Reduced quality due to a fault

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

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Which Freeview channels does the Llandecwyn 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	C32 (562.0MHz)	301m	DTG-	60W
	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	C34 (578.0MHz)	301m	DTG-	60W
	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	C35 (586.0MHz)	301m	DTG-	60W
	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 Llandecwyn (Gwynedd, 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 Llandecwyn transmitter?

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 167km south-southeast (162°)
to BBC Wales region - 206 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 169km south-southeast (163°)
to ITV Wales region - 206 masts.

How will the Llandecwyn (Gwynedd, Wales) transmission frequencies change over time?

	1984-97	1997-98	1998-2009	2009-13	2013-18	2013-17	14 Nov 2018
	C/D E	C/D E	C/D E	C/D E	C/D E T	C/D E T	A K T
C32							BBCA
C34							D3+4
C35							BBCB
C49_{tv_off}					BBCA	BBCA
C54_{tv_off}	C4_waves	C4_waves	C4_waves	BBCB	BBCB	BBCB
C58_{tv_off}	BBC1_waves	BBC1_waves	BBC1_waves	D3+4	D3+4	D3+4
C61	ITV_waves	ITV_waves	ITV_waves	BBCA
C64	BBC2_waves	BBC2_waves	BBC2_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 21 Oct 09 and 18 Nov 09.

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

Analogue 1-4	300W
BBCA, D3+4, BBCB	(-7dB) 60W

Local transmitter maps

Llandecwyn Freeview Llandecwyn DAB Llandecwyn AM/FM Llanddona TV region BBC Wales Wales

Which companies have run the Channel 3 services in the Llanddona 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. Llandecwyn 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

Wednesday, 18 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

5:10 AM

- : Off the air due to a fault from 18 Dec 01:17 until 18 Dec 02:47. Off the air due to a fault from 17 Dec 22:49 until 18 Dec 01:10. . FM: Off the air due to a fault from 17 Dec 22:49. . [BBC]

link to this comment

Transmitter engineering's 3,109 posts GB flag

Transmitter engineering

_{sentiment_very_satisfied}Platinum

11:21 PM

- : Off the air due to a fault from 18 Dec 01:17 until 18 Dec 02:47. Off the air due to a fault from 17 Dec 22:49 until 18 Dec 01:10. . FM: Off the air due to a fault from 17 Dec 22:49 until 18 Dec 19:09. . [BBC]

link to this comment

Transmitter engineering's 3,109 posts GB flag

Sunday, 22 December 2024

Transmitter engineering

_{sentiment_very_satisfied}Platinum

5:05 PM

- : Off the air due to a fault from 18 Dec 01:17 until 18 Dec 02:47. Off the air due to a fault from 17 Dec 22:49 until 18 Dec 01:10. . FM: Reduced due to a fault from 22 Dec 10:42 until 22 Dec 13:53. Off the air due to a fault from 17 Dec 22 [BBC]

link to this comment

Transmitter engineering's 3,109 posts GB flag

Transmitter engineering

_{sentiment_very_satisfied}Platinum

8:06 PM

- : Off the air due to a fault from 18 Dec 01:17 until 18 Dec 02:47. Off the air due to a fault from 17 Dec 22:49 until 18 Dec 01:10. . FM: Off the air due to essential from 22 Dec 18:10 until 22 Dec 18:13. Reduced due to a fault [BBC]

link to this comment

Transmitter engineering's 3,109 posts GB flag

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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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