Freeview Light on the Killowen Mountain (Northern Ireland) transmitter
Google map | Bing map | Google Earth | 54.091,-6.156 or 54°5'29"N 6°9'23"W | BT34 3AE |
The symbol shows the location of the Killowen Mountain (Northern Ireland) transmitter which serves less than 500 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 Killowen Mountain (Northern Ireland) transmitter._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
H/V: aerial position (horizontal or vertical)




The Killowen Mountain (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, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GB News, GREAT! movies, Great! Movies Action, GREAT! romance, HGTV, HobbyMaker, HorrorXtra, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Talking Pictures TV, TCC, That's 70s, That's TV , 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 Freeview channels does the Killowen Mountain 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 | C27 (522.0MHz) | 454m | DTG- | 5W |
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 | C21+ (474.2MHz) | 454m | DTG- | 5W |
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 | C24 (498.0MHz) | 454m | DTG- | 5W |
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, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others |
Are you trying to watch these 45 Freeview channels?
The Killowen Mountain (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, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GB News, GREAT! movies, Great! Movies Action, GREAT! romance, HGTV, HobbyMaker, HorrorXtra, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Talking Pictures TV, TCC, That's 70s, That's TV , 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 Killowen Mountain transmitter?

BBC Newsline 0.6m homes 2.5%
from Belfast BT2 8HQ, 1,041km northeast (50°)
to BBC Northern Ireland region - 46 masts.
How will the Killowen Mountain (Northern Ireland) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2012 | 2012-13 | 30 Sep 2019- | |||||
A K T | A K T | A K T | A K T | A K T | |||||
C21 | C4waves | C4waves | C4waves | +D3+4 | D3+4 | ||||
C24 | ITVwaves | ITVwaves | ITVwaves | BBCB | BBCB | ||||
C27 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
C31 | BBC1waves | BBC1waves | BBC1waves |
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 1-4 | 150W | |
BBCA, D3+4, BBCB | (-14.8dB) 5W |
Which companies have run the Channel 3 services in the Divis transmitter area
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Is the transmitter output the same in all directions?
Radiation patterns withheldWednesday, 4 September 2019
Transmitter engineering
5:08 AM
5:08 AM
KILLOWEN MOUNTAIN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:01 today, HD Digital TV Off Air; DSO related from 00:01 today. [BBC]
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Thursday, 5 September 2019
Transmitter engineering
5:08 AM
5:08 AM
KILLOWEN MOUNTAIN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:01 yesterday to 05:15 yesterday, HD Digital TV Off Air; DSO related from 00:01 yesterday to 05:15 yesterday. [BBC]
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Friday, 6 September 2019
Transmitter engineering
5:08 AM
5:08 AM
KILLOWEN MOUNTAIN transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:01 on 04 Sep to 05:15 on 04 Sep, HD Digital TV Off Air; DSO related from 00:01 on 04 Sep to 05:15 on 04 Sep. [BBC]
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Friday, 18 August 2023
Transmitter engineering
10:47 AM
10:47 AM
Killowen Mountain transmitter - Killowen Mountain transmitter: Possible effect on TV reception week commencing 14/08/2023 Screen may go black on some or all channels [DUK]
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Monday, 21 August 2023
Transmitter engineering
5:09 AM
5:09 AM
Killowen Mountain transmitter - Killowen Mountain transmitter: Possible effect on TV reception week commencing 21/08/2023 Screen may go black on some or all channels [DUK]
link to this comment |
Monday, 28 August 2023
Transmitter engineering
5:09 AM
5:09 AM
Killowen Mountain transmitter - Killowen Mountain transmitter: Possible effect on TV reception week commencing 28/08/2023 Screen may go black on some or all channels [DUK]
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