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Freeview Light on the Londonderry (Northern Ireland) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps55.003,-7.370 or 55°0'11"N 7°22'11"Wsa_postcodeBT48 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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 V max
C29 (538.0MHz)286mDTG-32,000W
Channel icons
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, 250 BBC Red Button, plus 13 others

PSB2
D3+4
 V max
C31 (554.0MHz)286mDTG-32,000W
Channel icons
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, 30 E4 +1, 35 UTV +1 (UTV),

PSB3
BBCB
 V max
C37 (602.0MHz)286mDTG-62,000W
Channel icons
56 5SELECT, 101 BBC One HD Northern Ireland, 102 BBC Two HD (England), 103 UTV HD (UTV), 104 Channel 4 HD NI ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 43 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected 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, Aljazeera English, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, YAAAS!, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, Film4 +1, Food Network, GB News, GREAT! movies, GREAT! movies action, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, POP MAX, Quest +1, Quest Red, Really, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, That's TV (UK), Together TV, 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?

regional news image
BBC Newsline 0.6m homes 2.5%
from Belfast BT2 8HQ, 1,052km northeast (50°)
to BBC Northern Ireland region - 46 masts.
regional news image
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-80s1984-971997-981998-20122012-134 Sep 2019
VHFB E TW TW TB E TW T
C2BBCtvwaves
C29BBCA
C31C5wavesC5wavesD3+4
C37BBCB
C41ITVwavesITVwavesITVwavesD3+4
C44BBC2wavesBBC2wavesBBC2wavesBBCA
C47C4wavesC4wavesC4wavesBBCB
C51tv_offBBC1wavesBBC1wavesBBC1waves_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

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

Oct 1959-May 2006Ulster Television
May 2006-Dec 2014UTV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV 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.

Comments
Monday, 29 October 2012
Dave Lindsay
sentiment_very_satisfiedPlatinum

11:26 AM

David Burke: Have you tried doing a manual tune on the UHF channel of the Saorview transmitter you are using? Which Saorview transmitter is it? If you don't know, what direction is your RT aerial pointing and is it vertical (elements up/down) or horizontal (elements flat)?

If it's horizontal and pointing north-west, then it is directed to Holywell Hill which is on UHF channel 30. When you scan the mode should be set to DVB-T rather than DVB-T2.

link to this comment
Dave Lindsay's 5,724 posts GB
T
TERRY HARVEY
7:56 PM
Londonderry

MY AERIAL IS RECEIVING A VERY GOOD SIGNAL FROM THE LONDONDERRY TRANSMITTER BUT CANT GET ALL FREEVIEW PROGRAMS WHAT CAN I DO TO REMEDY THIS PROBLEM----mr t harvey

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TERRY HARVEY's 2 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

8:41 PM

TERRY HARVEY: If you read above, you will see that it is a contenious issue that the Derry transmitter on Sheriff Mountain does not broadcast all channels. There are other areas that only receive the Public Service channels as not all transmitters broadcast them.

In your case, you "may" be lucky, albeit that you will have to fork out for a new aerial. The only way you will receive all channels is "if" you can receive them from Limavady.

Limavady is on a bearing of 78 degrees and aerials will be horizontal (elements flat). You may find that others around you have switched to Limavady so as to get the full service.

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Dave Lindsay's 5,724 posts GB
Tuesday, 30 October 2012
D
dburns
12:21 PM
Londonderry

will we get more channels in the near future or is that the lot from londonderry transmittor

link to this comment
dburns's 1 post GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

12:44 PM

dburns: No, read the previous postings (on earlier pages) which answers your question!

You "may" be able to receive the full service from Limavady, but you will need a different aerial installing for it "if" it is possible at your location.

link to this comment
Dave Lindsay's 5,724 posts GB
Thursday, 8 November 2012
D
d.Gwilt
1:56 PM

when will the derry tx carry the full freeview package of channels

link to this comment
d.Gwilt's 1 post GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

2:00 PM

d.Gwilt: I think that you need to go to the opticians!

As stated above a number of times and in discussion with others the likely answer is NEVER.

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Dave Lindsay's 5,724 posts GB
P
Patrick
5:46 PM
Londonderry

What aerial group do i need for the Derry mast please.Paddy

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Patrick's 7 posts IE
P
Patrick
5:53 PM
Londonderry

If i buy a FULL HD TV,any make,will i get get all the saorview channels.Thanks,Paddy

link to this comment
Patrick's 7 posts IE
M
Michael
sentiment_satisfiedGold

9:07 PM

Patrick: Full HD indicates that it can display a full 1080p HD signal, not that it can pick up Freeview/Saorview.

You need to ensure it has Freeview HD built-in to the TV so that it can pick up all the available channels at your location. (MPEG4 for video AND audio will pick up Saorview but you might as well get Freeview HD to actually show and HD picture on your TV!).

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Michael's 358 posts GB
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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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