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Freeview Light on the Londonderry (Northern Ireland) transmitter

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

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55.003,-7.370 or 55°0'11"N 7°22'11"W

BT48 0JS

The symbol shows the location of the Londonderry (Northern Ireland) transmitter which serves 37,000 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 Londonderry (Northern Ireland) transmitter.

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

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Which Freeview channels does the Londonderry 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	C29 (538.0MHz)	286m	DTG-	2,000W
	1 BBC One (SD) Northern Ireland, 2 BBC Two Northern Ireland, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 14 others
PSB2 D3+4	V max	C31 (554.0MHz)	286m	DTG-	2,000W
	3 UTV (SD) (UTV), 4 Channel 4 (SD) NI ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 NI ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 UTV +1 (UTV),
PSB3 BBCB	V max	C37 (602.0MHz)	286m	DTG-	2,000W
	46 5SELECT, 101 BBC One HD Northern Ireland, 102 BBC Two HD Northern Ireland, 103 UTV HD (UTV), 104 Channel 4 HD NI ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 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 Londonderry (Northern Ireland) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! christmas, GREAT! movies extra, GREAT! movies, 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, TCC, That's 90s, That's Christmas, Together TV, TRUE CRIME, TRUE CRIME XTRA, W, Yesterday +1.

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 Londonderry transmitter?

BBC Newsline 0.6m homes 2.5%
from Belfast BT2 8HQ, 1,052km northeast (50°)
to BBC Northern Ireland region - 46 masts.

UTV Live 0.6m homes 2.5%
from Belfast BT7 1EB, 1,052km northeast (50°)
to UTV region - 46 masts.

How will the Londonderry (Northern Ireland) transmission frequencies change over time?

	1950s-80s	1984-97	1997-98	1998-2012	2012-13	4 Sep 2019
	VHF	B E T	W T	W T	B E T	W T
C2	BBCtv_waves
C29						BBCA
C31			C5_waves	C5_waves		D3+4
C37						BBCB
C41		ITV_waves	ITV_waves	ITV_waves	D3+4
C44		BBC2_waves	BBC2_waves	BBC2_waves	BBCA
C47		C4_waves	C4_waves	C4_waves	BBCB
C51_{tv_off}		BBC1_waves	BBC1_waves	BBC1_waves	_local	_local

_{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 10 Oct 12 and 24 Oct 12.

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

Analogue 5	10kW
Analogue 1-4	(-4.9dB) 3.2kW
BBCA, D3+4, BBCB	(-7dB) 2kW

Local transmitter maps

Londonderry Freeview Londonderry DAB Limavady TV region BBC Northern Ireland UTV

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

Oct 1959-May 2006	Ulster Television
May 2006-Dec 2014	UTV 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. Londonderry 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

Monday, 4 June 2018

Transmitter engineering

_{sentiment_very_satisfied}Owner

3:05 PM

- : BBC National DAB Radio Off Air from 10:29 yesterday to 11:56 yesterday, BBC National DAB Radio Off Air from 22:26 yesterday to 00:04 today. FM: Radio 1 FM Weak from 22:26 yesterday to 23:50 yesterday, Radio 1 FM Weak Signal from 10:29 yesterda [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

6:05 PM

- : BBC National DAB Radio Off Air from 10:29 yesterday to 11:56 yesterday, BBC National DAB Radio Off Air from 22:26 yesterday to 00:04 today. FM: Radio 1 FM Weak from 10:29 yesterday to 11:39 yesterday, Radio 1 FM Weak Signal from 22:26 yesterda [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Tuesday, 5 June 2018

Transmitter engineering

_{sentiment_very_satisfied}Owner

6:04 AM

- : BBC National DAB Radio Off Air from 22:26 on 03 Jun to 00:04 yesterday, BBC National DAB Radio Off Air from 10:29 on 03 Jun to 11:56 on 03 Jun. FM: Radio 1 FM Weak from 22:26 on 03 Jun to 23:50 on 03 Jun, Radio 1 FM Weak Signal from 10:29 on 0 [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

6:04 PM

- : BBC National DAB Radio Off Air from 10:29 on 03 Jun to 11:56 on 03 Jun, BBC National DAB Radio Off Air from 22:26 on 03 Jun to 00:04 yesterday. FM: Radio 1 FM Weak from 10:29 on 03 Jun to 11:39 on 03 Jun, Radio 1 FM Weak Signal from 22:26 on 0 [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Wednesday, 6 June 2018

Transmitter engineering

_{sentiment_very_satisfied}Owner

6:04 AM

- : BBC National DAB Radio Off Air from 22:26 on 03 Jun to 00:04 on 04 Jun, BBC National DAB Radio Off Air from 10:29 on 03 Jun to 11:56 on 03 Jun. FM: Radio 1 FM Weak from 10:29 on 03 Jun to 11:39 on 03 Jun, Radio 1 FM Weak Signal from 22:26 on 0 [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

9:04 AM

- : BBC National DAB Radio Off Air from 22:26 on 03 Jun to 00:04 on 04 Jun, BBC National DAB Radio Off Air from 10:29 on 03 Jun to 11:56 on 03 Jun. FM: Radio 1 FM Weak from 22:26 on 03 Jun to 23:50 on 03 Jun, Radio 1 FM Weak Signal from 10:29 on 0 [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

3:04 PM

- : BBC National DAB Radio Off Air from 10:29 on 03 Jun to 11:56 on 03 Jun, BBC National DAB Radio Off Air from 22:26 on 03 Jun to 00:04 on 04 Jun. FM: Radio 1 FM Weak from 22:26 on 03 Jun to 23:50 on 03 Jun, Radio 1 FM Weak Signal from 10:29 on 0 [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Friday, 8 June 2018

Transmitter engineering

_{sentiment_very_satisfied}Owner

6:04 AM

- : BBC National DAB Radio Off Air from 22:26 on 03 Jun to 00:04 on 04 Jun. [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Wednesday, 20 June 2018

Transmitter engineering

_{sentiment_very_satisfied}Owner

6:04 PM

- : BBC National DAB Radio Off Air from 15:07 today. FM: Radio 1 FM Weak from 15:05 today, Radio 2 FM Weak Signal from 15:05 today, Radio 3 FM Weak Signal from 15:05 today, Radio 4 FM Weak Signal from 15:05 today, Radio Foyle FM Weak Signal from 1 [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

9:04 PM

- : BBC National DAB Radio Off Air from 15:07 today to 15:53 today. FM: Radio 1 FM Weak from 15:05 today to 15:53 today, Radio 2 FM Weak Signal from 15:05 today to 15:53 today, Radio 3 FM Weak Signal from 15:05 today to 15:53 today, Radio 4 FM Wea [BBC]

link to this comment

Transmitter engineering's 146,549 posts xx 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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